// modules are defined as an array // [ module function, map of requires ] // // map of requires is short require name -> numeric require // // anything defined in a previous bundle is accessed via the // orig method which is the require for previous bundles (function (modules, entry, mainEntry, parcelRequireName, globalName) { /* eslint-disable no-undef */ var globalObject = typeof globalThis !== 'undefined' ? globalThis : typeof self !== 'undefined' ? self : typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : {}; /* eslint-enable no-undef */ // Save the require from previous bundle to this closure if any var previousRequire = typeof globalObject[parcelRequireName] === 'function' && globalObject[parcelRequireName]; var cache = previousRequire.cache || {}; // Do not use `require` to prevent Webpack from trying to bundle this call var nodeRequire = typeof module !== 'undefined' && typeof module.require === 'function' && module.require.bind(module); function newRequire(name, jumped) { if (!cache[name]) { if (!modules[name]) { // if we cannot find the module within our internal map or // cache jump to the current global require ie. the last bundle // that was added to the page. var currentRequire = typeof globalObject[parcelRequireName] === 'function' && globalObject[parcelRequireName]; if (!jumped && currentRequire) { return currentRequire(name, true); } // If there are other bundles on this page the require from the // previous one is saved to 'previousRequire'. Repeat this as // many times as there are bundles until the module is found or // we exhaust the require chain. if (previousRequire) { return previousRequire(name, true); } // Try the node require function if it exists. if (nodeRequire && typeof name === 'string') { return nodeRequire(name); } var err = new Error("Cannot find module '" + name + "'"); err.code = 'MODULE_NOT_FOUND'; throw err; } localRequire.resolve = resolve; localRequire.cache = {}; var module = (cache[name] = new newRequire.Module(name)); modules[name][0].call( module.exports, localRequire, module, module.exports, this ); } return cache[name].exports; function localRequire(x) { var res = localRequire.resolve(x); return res === false ? {} : newRequire(res); } function resolve(x) { var id = modules[name][1][x]; return id != null ? id : x; } } function Module(moduleName) { this.id = moduleName; this.bundle = newRequire; this.exports = {}; } newRequire.isParcelRequire = true; newRequire.Module = Module; newRequire.modules = modules; newRequire.cache = cache; newRequire.parent = previousRequire; newRequire.register = function (id, exports) { modules[id] = [ function (require, module) { module.exports = exports; }, {}, ]; }; Object.defineProperty(newRequire, 'root', { get: function () { return globalObject[parcelRequireName]; }, }); globalObject[parcelRequireName] = newRequire; for (var i = 0; i < entry.length; i++) { newRequire(entry[i]); } if (mainEntry) { // Expose entry point to Node, AMD or browser globals // Based on https://github.com/ForbesLindesay/umd/blob/master/template.js var mainExports = newRequire(mainEntry); // CommonJS if (typeof exports === 'object' && typeof module !== 'undefined') { module.exports = mainExports; // RequireJS } else if (typeof define === 'function' && define.amd) { define(function () { return mainExports; }); // "; // eslint-disable-line // This is guaranteed to yield a script element. var firstChild = div.firstChild; domElement = div.removeChild(firstChild); } else if (typeof props.is === "string") // $FlowIssue `createElement` should be updated for Web Components domElement = ownerDocument.createElement(type, { is: props.is }); else { // Separate else branch instead of using `props.is || undefined` above because of a Firefox bug. // See discussion in https://github.com/facebook/react/pull/6896 // and discussion in https://bugzilla.mozilla.org/show_bug.cgi?id=1276240 domElement = ownerDocument.createElement(type); // Normally attributes are assigned in `setInitialDOMProperties`, however the `multiple` and `size` // attributes on `select`s needs to be added before `option`s are inserted. // This prevents: // - a bug where the `select` does not scroll to the correct option because singular // `select` elements automatically pick the first item #13222 // - a bug where the `select` set the first item as selected despite the `size` attribute #14239 // See https://github.com/facebook/react/issues/13222 // and https://github.com/facebook/react/issues/14239 if (type === "select") { var node = domElement; if (props.multiple) node.multiple = true; else if (props.size) // Setting a size greater than 1 causes a select to behave like `multiple=true`, where // it is possible that no option is selected. // // This is only necessary when a select in "single selection mode". node.size = props.size; } } } else domElement = ownerDocument.createElementNS(namespaceURI, type); if (namespaceURI === HTML_NAMESPACE) { if (!isCustomComponentTag && Object.prototype.toString.call(domElement) === "[object HTMLUnknownElement]" && !hasOwnProperty.call(warnedUnknownTags, type)) { warnedUnknownTags[type] = true; error("The tag <%s> is unrecognized in this browser. If you meant to render a React component, start its name with an uppercase letter.", type); } } return domElement; } function createTextNode(text, rootContainerElement) { return getOwnerDocumentFromRootContainer(rootContainerElement).createTextNode(text); } function setInitialProperties(domElement, tag, rawProps, rootContainerElement) { var isCustomComponentTag = isCustomComponent(tag, rawProps); validatePropertiesInDevelopment(tag, rawProps); var props; switch(tag){ case "dialog": listenToNonDelegatedEvent("cancel", domElement); listenToNonDelegatedEvent("close", domElement); props = rawProps; break; case "iframe": case "object": case "embed": // We listen to this event in case to ensure emulated bubble // listeners still fire for the load event. listenToNonDelegatedEvent("load", domElement); props = rawProps; break; case "video": case "audio": // We listen to these events in case to ensure emulated bubble // listeners still fire for all the media events. for(var i = 0; i < mediaEventTypes.length; i++)listenToNonDelegatedEvent(mediaEventTypes[i], domElement); props = rawProps; break; case "source": // We listen to this event in case to ensure emulated bubble // listeners still fire for the error event. listenToNonDelegatedEvent("error", domElement); props = rawProps; break; case "img": case "image": case "link": // We listen to these events in case to ensure emulated bubble // listeners still fire for error and load events. listenToNonDelegatedEvent("error", domElement); listenToNonDelegatedEvent("load", domElement); props = rawProps; break; case "details": // We listen to this event in case to ensure emulated bubble // listeners still fire for the toggle event. listenToNonDelegatedEvent("toggle", domElement); props = rawProps; break; case "input": initWrapperState(domElement, rawProps); props = getHostProps(domElement, rawProps); // We listen to this event in case to ensure emulated bubble // listeners still fire for the invalid event. listenToNonDelegatedEvent("invalid", domElement); break; case "option": validateProps(domElement, rawProps); props = rawProps; break; case "select": initWrapperState$1(domElement, rawProps); props = getHostProps$1(domElement, rawProps); // We listen to this event in case to ensure emulated bubble // listeners still fire for the invalid event. listenToNonDelegatedEvent("invalid", domElement); break; case "textarea": initWrapperState$2(domElement, rawProps); props = getHostProps$2(domElement, rawProps); // We listen to this event in case to ensure emulated bubble // listeners still fire for the invalid event. listenToNonDelegatedEvent("invalid", domElement); break; default: props = rawProps; } assertValidProps(tag, props); setInitialDOMProperties(tag, domElement, rootContainerElement, props, isCustomComponentTag); switch(tag){ case "input": // TODO: Make sure we check if this is still unmounted or do any clean // up necessary since we never stop tracking anymore. track(domElement); postMountWrapper(domElement, rawProps, false); break; case "textarea": // TODO: Make sure we check if this is still unmounted or do any clean // up necessary since we never stop tracking anymore. track(domElement); postMountWrapper$3(domElement); break; case "option": postMountWrapper$1(domElement, rawProps); break; case "select": postMountWrapper$2(domElement, rawProps); break; default: if (typeof props.onClick === "function") // TODO: This cast may not be sound for SVG, MathML or custom elements. trapClickOnNonInteractiveElement(domElement); break; } } // Calculate the diff between the two objects. function diffProperties(domElement, tag, lastRawProps, nextRawProps, rootContainerElement) { validatePropertiesInDevelopment(tag, nextRawProps); var updatePayload = null; var lastProps; var nextProps; switch(tag){ case "input": lastProps = getHostProps(domElement, lastRawProps); nextProps = getHostProps(domElement, nextRawProps); updatePayload = []; break; case "select": lastProps = getHostProps$1(domElement, lastRawProps); nextProps = getHostProps$1(domElement, nextRawProps); updatePayload = []; break; case "textarea": lastProps = getHostProps$2(domElement, lastRawProps); nextProps = getHostProps$2(domElement, nextRawProps); updatePayload = []; break; default: lastProps = lastRawProps; nextProps = nextRawProps; if (typeof lastProps.onClick !== "function" && typeof nextProps.onClick === "function") // TODO: This cast may not be sound for SVG, MathML or custom elements. trapClickOnNonInteractiveElement(domElement); break; } assertValidProps(tag, nextProps); var propKey; var styleName; var styleUpdates = null; for(propKey in lastProps){ if (nextProps.hasOwnProperty(propKey) || !lastProps.hasOwnProperty(propKey) || lastProps[propKey] == null) continue; if (propKey === STYLE) { var lastStyle = lastProps[propKey]; for(styleName in lastStyle)if (lastStyle.hasOwnProperty(styleName)) { if (!styleUpdates) styleUpdates = {}; styleUpdates[styleName] = ""; } } else if (propKey === DANGEROUSLY_SET_INNER_HTML || propKey === CHILDREN) ; else if (propKey === SUPPRESS_CONTENT_EDITABLE_WARNING || propKey === SUPPRESS_HYDRATION_WARNING) ; else if (propKey === AUTOFOCUS) ; else if (registrationNameDependencies.hasOwnProperty(propKey)) // This is a special case. If any listener updates we need to ensure // that the "current" fiber pointer gets updated so we need a commit // to update this element. { if (!updatePayload) updatePayload = []; } else // For all other deleted properties we add it to the queue. We use // the allowed property list in the commit phase instead. (updatePayload = updatePayload || []).push(propKey, null); } for(propKey in nextProps){ var nextProp = nextProps[propKey]; var lastProp = lastProps != null ? lastProps[propKey] : undefined; if (!nextProps.hasOwnProperty(propKey) || nextProp === lastProp || nextProp == null && lastProp == null) continue; if (propKey === STYLE) { if (nextProp) // Freeze the next style object so that we can assume it won't be // mutated. We have already warned for this in the past. Object.freeze(nextProp); if (lastProp) { // Unset styles on `lastProp` but not on `nextProp`. for(styleName in lastProp)if (lastProp.hasOwnProperty(styleName) && (!nextProp || !nextProp.hasOwnProperty(styleName))) { if (!styleUpdates) styleUpdates = {}; styleUpdates[styleName] = ""; } // Update styles that changed since `lastProp`. for(styleName in nextProp)if (nextProp.hasOwnProperty(styleName) && lastProp[styleName] !== nextProp[styleName]) { if (!styleUpdates) styleUpdates = {}; styleUpdates[styleName] = nextProp[styleName]; } } else { // Relies on `updateStylesByID` not mutating `styleUpdates`. if (!styleUpdates) { if (!updatePayload) updatePayload = []; updatePayload.push(propKey, styleUpdates); } styleUpdates = nextProp; } } else if (propKey === DANGEROUSLY_SET_INNER_HTML) { var nextHtml = nextProp ? nextProp[HTML$1] : undefined; var lastHtml = lastProp ? lastProp[HTML$1] : undefined; if (nextHtml != null) { if (lastHtml !== nextHtml) (updatePayload = updatePayload || []).push(propKey, nextHtml); } } else if (propKey === CHILDREN) { if (typeof nextProp === "string" || typeof nextProp === "number") (updatePayload = updatePayload || []).push(propKey, "" + nextProp); } else if (propKey === SUPPRESS_CONTENT_EDITABLE_WARNING || propKey === SUPPRESS_HYDRATION_WARNING) ; else if (registrationNameDependencies.hasOwnProperty(propKey)) { if (nextProp != null) { // We eagerly listen to this even though we haven't committed yet. if (typeof nextProp !== "function") warnForInvalidEventListener(propKey, nextProp); if (propKey === "onScroll") listenToNonDelegatedEvent("scroll", domElement); } if (!updatePayload && lastProp !== nextProp) // This is a special case. If any listener updates we need to ensure // that the "current" props pointer gets updated so we need a commit // to update this element. updatePayload = []; } else // For any other property we always add it to the queue and then we // filter it out using the allowed property list during the commit. (updatePayload = updatePayload || []).push(propKey, nextProp); } if (styleUpdates) { validateShorthandPropertyCollisionInDev(styleUpdates, nextProps[STYLE]); (updatePayload = updatePayload || []).push(STYLE, styleUpdates); } return updatePayload; } // Apply the diff. function updateProperties(domElement, updatePayload, tag, lastRawProps, nextRawProps) { // Update checked *before* name. // In the middle of an update, it is possible to have multiple checked. // When a checked radio tries to change name, browser makes another radio's checked false. if (tag === "input" && nextRawProps.type === "radio" && nextRawProps.name != null) updateChecked(domElement, nextRawProps); var wasCustomComponentTag = isCustomComponent(tag, lastRawProps); var isCustomComponentTag = isCustomComponent(tag, nextRawProps); // Apply the diff. updateDOMProperties(domElement, updatePayload, wasCustomComponentTag, isCustomComponentTag); // TODO: Ensure that an update gets scheduled if any of the special props // changed. switch(tag){ case "input": // Update the wrapper around inputs *after* updating props. This has to // happen after `updateDOMProperties`. Otherwise HTML5 input validations // raise warnings and prevent the new value from being assigned. updateWrapper(domElement, nextRawProps); break; case "textarea": updateWrapper$1(domElement, nextRawProps); break; case "select": // // but case "option": return tag === "#text"; // https://html.spec.whatwg.org/multipage/syntax.html#parsing-main-intd // https://html.spec.whatwg.org/multipage/syntax.html#parsing-main-incaption // No special behavior since these rules fall back to "in body" mode for // all except special table nodes which cause bad parsing behavior anyway. // https://html.spec.whatwg.org/multipage/syntax.html#parsing-main-intr case "tr": return tag === "th" || tag === "td" || tag === "style" || tag === "script" || tag === "template"; // https://html.spec.whatwg.org/multipage/syntax.html#parsing-main-intbody case "tbody": case "thead": case "tfoot": return tag === "tr" || tag === "style" || tag === "script" || tag === "template"; // https://html.spec.whatwg.org/multipage/syntax.html#parsing-main-incolgroup case "colgroup": return tag === "col" || tag === "template"; // https://html.spec.whatwg.org/multipage/syntax.html#parsing-main-intable case "table": return tag === "caption" || tag === "colgroup" || tag === "tbody" || tag === "tfoot" || tag === "thead" || tag === "style" || tag === "script" || tag === "template"; // https://html.spec.whatwg.org/multipage/syntax.html#parsing-main-inhead case "head": return tag === "base" || tag === "basefont" || tag === "bgsound" || tag === "link" || tag === "meta" || tag === "title" || tag === "noscript" || tag === "noframes" || tag === "style" || tag === "script" || tag === "template"; // https://html.spec.whatwg.org/multipage/semantics.html#the-html-element case "html": return tag === "head" || tag === "body" || tag === "frameset"; case "frameset": return tag === "frame"; case "#document": return tag === "html"; } // Probably in the "in body" parsing mode, so we outlaw only tag combos // where the parsing rules cause implicit opens or closes to be added. // https://html.spec.whatwg.org/multipage/syntax.html#parsing-main-inbody switch(tag){ case "h1": case "h2": case "h3": case "h4": case "h5": case "h6": return parentTag !== "h1" && parentTag !== "h2" && parentTag !== "h3" && parentTag !== "h4" && parentTag !== "h5" && parentTag !== "h6"; case "rp": case "rt": return impliedEndTags.indexOf(parentTag) === -1; case "body": case "caption": case "col": case "colgroup": case "frameset": case "frame": case "head": case "html": case "tbody": case "td": case "tfoot": case "th": case "thead": case "tr": // These tags are only valid with a few parents that have special child // parsing rules -- if we're down here, then none of those matched and // so we allow it only if we don't know what the parent is, as all other // cases are invalid. return parentTag == null; } return true; }; /** * Returns whether */ var findInvalidAncestorForTag = function(tag, ancestorInfo) { switch(tag){ case "address": case "article": case "aside": case "blockquote": case "center": case "details": case "dialog": case "dir": case "div": case "dl": case "fieldset": case "figcaption": case "figure": case "footer": case "header": case "hgroup": case "main": case "menu": case "nav": case "ol": case "p": case "section": case "summary": case "ul": case "pre": case "listing": case "table": case "hr": case "xmp": case "h1": case "h2": case "h3": case "h4": case "h5": case "h6": return ancestorInfo.pTagInButtonScope; case "form": return ancestorInfo.formTag || ancestorInfo.pTagInButtonScope; case "li": return ancestorInfo.listItemTagAutoclosing; case "dd": case "dt": return ancestorInfo.dlItemTagAutoclosing; case "button": return ancestorInfo.buttonTagInScope; case "a": // Spec says something about storing a list of markers, but it sounds // equivalent to this check. return ancestorInfo.aTagInScope; case "nobr": return ancestorInfo.nobrTagInScope; } return null; }; var didWarn$1 = {}; validateDOMNesting = function(childTag, childText, ancestorInfo) { ancestorInfo = ancestorInfo || emptyAncestorInfo; var parentInfo = ancestorInfo.current; var parentTag = parentInfo && parentInfo.tag; if (childText != null) { if (childTag != null) error("validateDOMNesting: when childText is passed, childTag should be null"); childTag = "#text"; } var invalidParent = isTagValidWithParent(childTag, parentTag) ? null : parentInfo; var invalidAncestor = invalidParent ? null : findInvalidAncestorForTag(childTag, ancestorInfo); var invalidParentOrAncestor = invalidParent || invalidAncestor; if (!invalidParentOrAncestor) return; var ancestorTag = invalidParentOrAncestor.tag; var warnKey = !!invalidParent + "|" + childTag + "|" + ancestorTag; if (didWarn$1[warnKey]) return; didWarn$1[warnKey] = true; var tagDisplayName = childTag; var whitespaceInfo = ""; if (childTag === "#text") { if (/\S/.test(childText)) tagDisplayName = "Text nodes"; else { tagDisplayName = "Whitespace text nodes"; whitespaceInfo = " Make sure you don't have any extra whitespace between tags on each line of your source code."; } } else tagDisplayName = "<" + childTag + ">"; if (invalidParent) { var info = ""; if (ancestorTag === "table" && childTag === "tr") info += " Add a , or to your code to match the DOM tree generated by the browser."; error("validateDOMNesting(...): %s cannot appear as a child of <%s>.%s%s", tagDisplayName, ancestorTag, whitespaceInfo, info); } else error("validateDOMNesting(...): %s cannot appear as a descendant of <%s>.", tagDisplayName, ancestorTag); }; var SUPPRESS_HYDRATION_WARNING$1 = "suppressHydrationWarning"; var SUSPENSE_START_DATA = "$"; var SUSPENSE_END_DATA = "/$"; var SUSPENSE_PENDING_START_DATA = "$?"; var SUSPENSE_FALLBACK_START_DATA = "$!"; var STYLE$1 = "style"; var eventsEnabled = null; var selectionInformation = null; function getRootHostContext(rootContainerInstance) { var type; var namespace; var nodeType = rootContainerInstance.nodeType; switch(nodeType){ case DOCUMENT_NODE: case DOCUMENT_FRAGMENT_NODE: type = nodeType === DOCUMENT_NODE ? "#document" : "#fragment"; var root = rootContainerInstance.documentElement; namespace = root ? root.namespaceURI : getChildNamespace(null, ""); break; default: var container = nodeType === COMMENT_NODE ? rootContainerInstance.parentNode : rootContainerInstance; var ownNamespace = container.namespaceURI || null; type = container.tagName; namespace = getChildNamespace(ownNamespace, type); break; } var validatedTag = type.toLowerCase(); var ancestorInfo = updatedAncestorInfo(null, validatedTag); return { namespace: namespace, ancestorInfo: ancestorInfo }; } function getChildHostContext(parentHostContext, type, rootContainerInstance) { var parentHostContextDev = parentHostContext; var namespace = getChildNamespace(parentHostContextDev.namespace, type); var ancestorInfo = updatedAncestorInfo(parentHostContextDev.ancestorInfo, type); return { namespace: namespace, ancestorInfo: ancestorInfo }; } function getPublicInstance(instance) { return instance; } function prepareForCommit(containerInfo) { eventsEnabled = isEnabled(); selectionInformation = getSelectionInformation(); var activeInstance = null; setEnabled(false); return activeInstance; } function resetAfterCommit(containerInfo) { restoreSelection(selectionInformation); setEnabled(eventsEnabled); eventsEnabled = null; selectionInformation = null; } function createInstance(type, props, rootContainerInstance, hostContext, internalInstanceHandle) { var parentNamespace; // TODO: take namespace into account when validating. var hostContextDev = hostContext; validateDOMNesting(type, null, hostContextDev.ancestorInfo); if (typeof props.children === "string" || typeof props.children === "number") { var string = "" + props.children; var ownAncestorInfo = updatedAncestorInfo(hostContextDev.ancestorInfo, type); validateDOMNesting(null, string, ownAncestorInfo); } parentNamespace = hostContextDev.namespace; var domElement = createElement(type, props, rootContainerInstance, parentNamespace); precacheFiberNode(internalInstanceHandle, domElement); updateFiberProps(domElement, props); return domElement; } function appendInitialChild(parentInstance, child) { parentInstance.appendChild(child); } function finalizeInitialChildren(domElement, type, props, rootContainerInstance, hostContext) { setInitialProperties(domElement, type, props, rootContainerInstance); switch(type){ case "button": case "input": case "select": case "textarea": return !!props.autoFocus; case "img": return true; default: return false; } } function prepareUpdate(domElement, type, oldProps, newProps, rootContainerInstance, hostContext) { var hostContextDev = hostContext; if (typeof newProps.children !== typeof oldProps.children && (typeof newProps.children === "string" || typeof newProps.children === "number")) { var string = "" + newProps.children; var ownAncestorInfo = updatedAncestorInfo(hostContextDev.ancestorInfo, type); validateDOMNesting(null, string, ownAncestorInfo); } return diffProperties(domElement, type, oldProps, newProps); } function shouldSetTextContent(type, props) { return type === "textarea" || type === "noscript" || typeof props.children === "string" || typeof props.children === "number" || typeof props.dangerouslySetInnerHTML === "object" && props.dangerouslySetInnerHTML !== null && props.dangerouslySetInnerHTML.__html != null; } function createTextInstance(text, rootContainerInstance, hostContext, internalInstanceHandle) { var hostContextDev = hostContext; validateDOMNesting(null, text, hostContextDev.ancestorInfo); var textNode = createTextNode(text, rootContainerInstance); precacheFiberNode(internalInstanceHandle, textNode); return textNode; } function getCurrentEventPriority() { var currentEvent = window.event; if (currentEvent === undefined) return DefaultEventPriority; return getEventPriority(currentEvent.type); } // if a component just imports ReactDOM (e.g. for findDOMNode). // Some environments might not have setTimeout or clearTimeout. var scheduleTimeout = typeof setTimeout === "function" ? setTimeout : undefined; var cancelTimeout = typeof clearTimeout === "function" ? clearTimeout : undefined; var noTimeout = -1; var localPromise = typeof Promise === "function" ? Promise : undefined; // ------------------- var scheduleMicrotask = typeof queueMicrotask === "function" ? queueMicrotask : typeof localPromise !== "undefined" ? function(callback) { return localPromise.resolve(null).then(callback).catch(handleErrorInNextTick); } : scheduleTimeout; // TODO: Determine the best fallback here. function handleErrorInNextTick(error) { setTimeout(function() { throw error; }); } // ------------------- function commitMount(domElement, type, newProps, internalInstanceHandle) { // Despite the naming that might imply otherwise, this method only // fires if there is an `Update` effect scheduled during mounting. // This happens if `finalizeInitialChildren` returns `true` (which it // does to implement the `autoFocus` attribute on the client). But // there are also other cases when this might happen (such as patching // up text content during hydration mismatch). So we'll check this again. switch(type){ case "button": case "input": case "select": case "textarea": if (newProps.autoFocus) domElement.focus(); return; case "img": if (newProps.src) domElement.src = newProps.src; return; } } function commitUpdate(domElement, updatePayload, type, oldProps, newProps, internalInstanceHandle) { // Apply the diff to the DOM node. updateProperties(domElement, updatePayload, type, oldProps, newProps); // Update the props handle so that we know which props are the ones with // with current event handlers. updateFiberProps(domElement, newProps); } function resetTextContent(domElement) { setTextContent(domElement, ""); } function commitTextUpdate(textInstance, oldText, newText) { textInstance.nodeValue = newText; } function appendChild(parentInstance, child) { parentInstance.appendChild(child); } function appendChildToContainer(container, child) { var parentNode; if (container.nodeType === COMMENT_NODE) { parentNode = container.parentNode; parentNode.insertBefore(child, container); } else { parentNode = container; parentNode.appendChild(child); } // This container might be used for a portal. // If something inside a portal is clicked, that click should bubble // through the React tree. However, on Mobile Safari the click would // never bubble through the *DOM* tree unless an ancestor with onclick // event exists. So we wouldn't see it and dispatch it. // This is why we ensure that non React root containers have inline onclick // defined. // https://github.com/facebook/react/issues/11918 var reactRootContainer = container._reactRootContainer; if ((reactRootContainer === null || reactRootContainer === undefined) && parentNode.onclick === null) // TODO: This cast may not be sound for SVG, MathML or custom elements. trapClickOnNonInteractiveElement(parentNode); } function insertBefore(parentInstance, child, beforeChild) { parentInstance.insertBefore(child, beforeChild); } function insertInContainerBefore(container, child, beforeChild) { if (container.nodeType === COMMENT_NODE) container.parentNode.insertBefore(child, beforeChild); else container.insertBefore(child, beforeChild); } function removeChild(parentInstance, child) { parentInstance.removeChild(child); } function removeChildFromContainer(container, child) { if (container.nodeType === COMMENT_NODE) container.parentNode.removeChild(child); else container.removeChild(child); } function clearSuspenseBoundary(parentInstance, suspenseInstance) { var node = suspenseInstance; // Delete all nodes within this suspense boundary. // There might be nested nodes so we need to keep track of how // deep we are and only break out when we're back on top. var depth = 0; do { var nextNode = node.nextSibling; parentInstance.removeChild(node); if (nextNode && nextNode.nodeType === COMMENT_NODE) { var data = nextNode.data; if (data === SUSPENSE_END_DATA) { if (depth === 0) { parentInstance.removeChild(nextNode); // Retry if any event replaying was blocked on this. retryIfBlockedOn(suspenseInstance); return; } else depth--; } else if (data === SUSPENSE_START_DATA || data === SUSPENSE_PENDING_START_DATA || data === SUSPENSE_FALLBACK_START_DATA) depth++; } node = nextNode; }while (node); // TODO: Warn, we didn't find the end comment boundary. // Retry if any event replaying was blocked on this. retryIfBlockedOn(suspenseInstance); } function clearSuspenseBoundaryFromContainer(container, suspenseInstance) { if (container.nodeType === COMMENT_NODE) clearSuspenseBoundary(container.parentNode, suspenseInstance); else if (container.nodeType === ELEMENT_NODE) clearSuspenseBoundary(container, suspenseInstance); // Retry if any event replaying was blocked on this. retryIfBlockedOn(container); } function hideInstance(instance) { instance; var style = instance.style; if (typeof style.setProperty === "function") style.setProperty("display", "none", "important"); else style.display = "none"; } function hideTextInstance(textInstance) { textInstance.nodeValue = ""; } function unhideInstance(instance, props) { instance; var styleProp = props[STYLE$1]; var display = styleProp !== undefined && styleProp !== null && styleProp.hasOwnProperty("display") ? styleProp.display : null; instance.style.display = dangerousStyleValue("display", display); } function unhideTextInstance(textInstance, text) { textInstance.nodeValue = text; } function clearContainer(container) { if (container.nodeType === ELEMENT_NODE) container.textContent = ""; else if (container.nodeType === DOCUMENT_NODE) { if (container.documentElement) container.removeChild(container.documentElement); } } // ------------------- function canHydrateInstance(instance, type, props) { if (instance.nodeType !== ELEMENT_NODE || type.toLowerCase() !== instance.nodeName.toLowerCase()) return null; // This has now been refined to an element node. return instance; } function canHydrateTextInstance(instance, text) { if (text === "" || instance.nodeType !== TEXT_NODE) // Empty strings are not parsed by HTML so there won't be a correct match here. return null; // This has now been refined to a text node. return instance; } function canHydrateSuspenseInstance(instance) { if (instance.nodeType !== COMMENT_NODE) // Empty strings are not parsed by HTML so there won't be a correct match here. return null; // This has now been refined to a suspense node. return instance; } function isSuspenseInstancePending(instance) { return instance.data === SUSPENSE_PENDING_START_DATA; } function isSuspenseInstanceFallback(instance) { return instance.data === SUSPENSE_FALLBACK_START_DATA; } function getSuspenseInstanceFallbackErrorDetails(instance) { var dataset = instance.nextSibling && instance.nextSibling.dataset; var digest, message, stack; if (dataset) { digest = dataset.dgst; message = dataset.msg; stack = dataset.stck; } return { message: message, digest: digest, stack: stack }; // const nextSibling = instance.nextSibling; // if (nextSibling) { // const dataset = ((nextSibling: any): HTMLTemplateElement).dataset; // value.message = dataset.msg; // value.hash = dataset.hash; // if (true) { // value.stack = dataset.stack; // } // } // return value; } function registerSuspenseInstanceRetry(instance, callback) { instance._reactRetry = callback; } function getNextHydratable(node) { // Skip non-hydratable nodes. for(; node != null; node = node.nextSibling){ var nodeType = node.nodeType; if (nodeType === ELEMENT_NODE || nodeType === TEXT_NODE) break; if (nodeType === COMMENT_NODE) { var nodeData = node.data; if (nodeData === SUSPENSE_START_DATA || nodeData === SUSPENSE_FALLBACK_START_DATA || nodeData === SUSPENSE_PENDING_START_DATA) break; if (nodeData === SUSPENSE_END_DATA) return null; } } return node; } function getNextHydratableSibling(instance) { return getNextHydratable(instance.nextSibling); } function getFirstHydratableChild(parentInstance) { return getNextHydratable(parentInstance.firstChild); } function getFirstHydratableChildWithinContainer(parentContainer) { return getNextHydratable(parentContainer.firstChild); } function getFirstHydratableChildWithinSuspenseInstance(parentInstance) { return getNextHydratable(parentInstance.nextSibling); } function hydrateInstance(instance, type, props, rootContainerInstance, hostContext, internalInstanceHandle, shouldWarnDev) { precacheFiberNode(internalInstanceHandle, instance); // TODO: Possibly defer this until the commit phase where all the events // get attached. updateFiberProps(instance, props); var parentNamespace; var hostContextDev = hostContext; parentNamespace = hostContextDev.namespace; // when the legacy root API is removed. var isConcurrentMode = (internalInstanceHandle.mode & ConcurrentMode) !== NoMode; return diffHydratedProperties(instance, type, props, parentNamespace, rootContainerInstance, isConcurrentMode, shouldWarnDev); } function hydrateTextInstance(textInstance, text, internalInstanceHandle, shouldWarnDev) { precacheFiberNode(internalInstanceHandle, textInstance); // TODO: Temporary hack to check if we're in a concurrent root. We can delete // when the legacy root API is removed. var isConcurrentMode = (internalInstanceHandle.mode & ConcurrentMode) !== NoMode; return diffHydratedText(textInstance, text); } function hydrateSuspenseInstance(suspenseInstance, internalInstanceHandle) { precacheFiberNode(internalInstanceHandle, suspenseInstance); } function getNextHydratableInstanceAfterSuspenseInstance(suspenseInstance) { var node = suspenseInstance.nextSibling; // Skip past all nodes within this suspense boundary. // There might be nested nodes so we need to keep track of how // deep we are and only break out when we're back on top. var depth = 0; while(node){ if (node.nodeType === COMMENT_NODE) { var data = node.data; if (data === SUSPENSE_END_DATA) { if (depth === 0) return getNextHydratableSibling(node); else depth--; } else if (data === SUSPENSE_START_DATA || data === SUSPENSE_FALLBACK_START_DATA || data === SUSPENSE_PENDING_START_DATA) depth++; } node = node.nextSibling; } // TODO: Warn, we didn't find the end comment boundary. return null; } // Returns the SuspenseInstance if this node is a direct child of a // SuspenseInstance. I.e. if its previous sibling is a Comment with // SUSPENSE_x_START_DATA. Otherwise, null. function getParentSuspenseInstance(targetInstance) { var node = targetInstance.previousSibling; // Skip past all nodes within this suspense boundary. // There might be nested nodes so we need to keep track of how // deep we are and only break out when we're back on top. var depth = 0; while(node){ if (node.nodeType === COMMENT_NODE) { var data = node.data; if (data === SUSPENSE_START_DATA || data === SUSPENSE_FALLBACK_START_DATA || data === SUSPENSE_PENDING_START_DATA) { if (depth === 0) return node; else depth--; } else if (data === SUSPENSE_END_DATA) depth++; } node = node.previousSibling; } return null; } function commitHydratedContainer(container) { // Retry if any event replaying was blocked on this. retryIfBlockedOn(container); } function commitHydratedSuspenseInstance(suspenseInstance) { // Retry if any event replaying was blocked on this. retryIfBlockedOn(suspenseInstance); } function shouldDeleteUnhydratedTailInstances(parentType) { return parentType !== "head" && parentType !== "body"; } function didNotMatchHydratedContainerTextInstance(parentContainer, textInstance, text, isConcurrentMode) { var shouldWarnDev = true; checkForUnmatchedText(textInstance.nodeValue, text, isConcurrentMode, shouldWarnDev); } function didNotMatchHydratedTextInstance(parentType, parentProps, parentInstance, textInstance, text, isConcurrentMode) { if (parentProps[SUPPRESS_HYDRATION_WARNING$1] !== true) { var shouldWarnDev = true; checkForUnmatchedText(textInstance.nodeValue, text, isConcurrentMode, shouldWarnDev); } } function didNotHydrateInstanceWithinContainer(parentContainer, instance) { if (instance.nodeType === ELEMENT_NODE) warnForDeletedHydratableElement(parentContainer, instance); else if (instance.nodeType === COMMENT_NODE) ; else warnForDeletedHydratableText(parentContainer, instance); } function didNotHydrateInstanceWithinSuspenseInstance(parentInstance, instance) { // $FlowFixMe: Only Element or Document can be parent nodes. var parentNode = parentInstance.parentNode; if (parentNode !== null) { if (instance.nodeType === ELEMENT_NODE) warnForDeletedHydratableElement(parentNode, instance); else if (instance.nodeType === COMMENT_NODE) ; else warnForDeletedHydratableText(parentNode, instance); } } function didNotHydrateInstance(parentType, parentProps, parentInstance, instance, isConcurrentMode) { if (isConcurrentMode || parentProps[SUPPRESS_HYDRATION_WARNING$1] !== true) { if (instance.nodeType === ELEMENT_NODE) warnForDeletedHydratableElement(parentInstance, instance); else if (instance.nodeType === COMMENT_NODE) ; else warnForDeletedHydratableText(parentInstance, instance); } } function didNotFindHydratableInstanceWithinContainer(parentContainer, type, props) { warnForInsertedHydratedElement(parentContainer, type); } function didNotFindHydratableTextInstanceWithinContainer(parentContainer, text) { warnForInsertedHydratedText(parentContainer, text); } function didNotFindHydratableInstanceWithinSuspenseInstance(parentInstance, type, props) { // $FlowFixMe: Only Element or Document can be parent nodes. var parentNode = parentInstance.parentNode; if (parentNode !== null) warnForInsertedHydratedElement(parentNode, type); } function didNotFindHydratableTextInstanceWithinSuspenseInstance(parentInstance, text) { // $FlowFixMe: Only Element or Document can be parent nodes. var parentNode = parentInstance.parentNode; if (parentNode !== null) warnForInsertedHydratedText(parentNode, text); } function didNotFindHydratableInstance(parentType, parentProps, parentInstance, type, props, isConcurrentMode) { if (isConcurrentMode || parentProps[SUPPRESS_HYDRATION_WARNING$1] !== true) warnForInsertedHydratedElement(parentInstance, type); } function didNotFindHydratableTextInstance(parentType, parentProps, parentInstance, text, isConcurrentMode) { if (isConcurrentMode || parentProps[SUPPRESS_HYDRATION_WARNING$1] !== true) warnForInsertedHydratedText(parentInstance, text); } function errorHydratingContainer(parentContainer) { // TODO: This gets logged by onRecoverableError, too, so we should be // able to remove it. error("An error occurred during hydration. The server HTML was replaced with client content in <%s>.", parentContainer.nodeName.toLowerCase()); } function preparePortalMount(portalInstance) { listenToAllSupportedEvents(portalInstance); } var randomKey = Math.random().toString(36).slice(2); var internalInstanceKey = "__reactFiber$" + randomKey; var internalPropsKey = "__reactProps$" + randomKey; var internalContainerInstanceKey = "__reactContainer$" + randomKey; var internalEventHandlersKey = "__reactEvents$" + randomKey; var internalEventHandlerListenersKey = "__reactListeners$" + randomKey; var internalEventHandlesSetKey = "__reactHandles$" + randomKey; function detachDeletedInstance(node) { // TODO: This function is only called on host components. I don't think all of // these fields are relevant. delete node[internalInstanceKey]; delete node[internalPropsKey]; delete node[internalEventHandlersKey]; delete node[internalEventHandlerListenersKey]; delete node[internalEventHandlesSetKey]; } function precacheFiberNode(hostInst, node) { node[internalInstanceKey] = hostInst; } function markContainerAsRoot(hostRoot, node) { node[internalContainerInstanceKey] = hostRoot; } function unmarkContainerAsRoot(node) { node[internalContainerInstanceKey] = null; } function isContainerMarkedAsRoot(node) { return !!node[internalContainerInstanceKey]; } // Given a DOM node, return the closest HostComponent or HostText fiber ancestor. // If the target node is part of a hydrated or not yet rendered subtree, then // this may also return a SuspenseComponent or HostRoot to indicate that. // Conceptually the HostRoot fiber is a child of the Container node. So if you // pass the Container node as the targetNode, you will not actually get the // HostRoot back. To get to the HostRoot, you need to pass a child of it. // The same thing applies to Suspense boundaries. function getClosestInstanceFromNode(targetNode) { var targetInst = targetNode[internalInstanceKey]; if (targetInst) // Don't return HostRoot or SuspenseComponent here. return targetInst; // If the direct event target isn't a React owned DOM node, we need to look // to see if one of its parents is a React owned DOM node. var parentNode = targetNode.parentNode; while(parentNode){ // We'll check if this is a container root that could include // React nodes in the future. We need to check this first because // if we're a child of a dehydrated container, we need to first // find that inner container before moving on to finding the parent // instance. Note that we don't check this field on the targetNode // itself because the fibers are conceptually between the container // node and the first child. It isn't surrounding the container node. // If it's not a container, we check if it's an instance. targetInst = parentNode[internalContainerInstanceKey] || parentNode[internalInstanceKey]; if (targetInst) { // Since this wasn't the direct target of the event, we might have // stepped past dehydrated DOM nodes to get here. However they could // also have been non-React nodes. We need to answer which one. // If we the instance doesn't have any children, then there can't be // a nested suspense boundary within it. So we can use this as a fast // bailout. Most of the time, when people add non-React children to // the tree, it is using a ref to a child-less DOM node. // Normally we'd only need to check one of the fibers because if it // has ever gone from having children to deleting them or vice versa // it would have deleted the dehydrated boundary nested inside already. // However, since the HostRoot starts out with an alternate it might // have one on the alternate so we need to check in case this was a // root. var alternate = targetInst.alternate; if (targetInst.child !== null || alternate !== null && alternate.child !== null) { // Next we need to figure out if the node that skipped past is // nested within a dehydrated boundary and if so, which one. var suspenseInstance = getParentSuspenseInstance(targetNode); while(suspenseInstance !== null){ // We found a suspense instance. That means that we haven't // hydrated it yet. Even though we leave the comments in the // DOM after hydrating, and there are boundaries in the DOM // that could already be hydrated, we wouldn't have found them // through this pass since if the target is hydrated it would // have had an internalInstanceKey on it. // Let's get the fiber associated with the SuspenseComponent // as the deepest instance. var targetSuspenseInst = suspenseInstance[internalInstanceKey]; if (targetSuspenseInst) return targetSuspenseInst; // If we don't find a Fiber on the comment, it might be because // we haven't gotten to hydrate it yet. There might still be a // parent boundary that hasn't above this one so we need to find // the outer most that is known. suspenseInstance = getParentSuspenseInstance(suspenseInstance); // If we don't find one, then that should mean that the parent // host component also hasn't hydrated yet. We can return it // below since it will bail out on the isMounted check later. } } return targetInst; } targetNode = parentNode; parentNode = targetNode.parentNode; } return null; } /** * Given a DOM node, return the ReactDOMComponent or ReactDOMTextComponent * instance, or null if the node was not rendered by this React. */ function getInstanceFromNode(node) { var inst = node[internalInstanceKey] || node[internalContainerInstanceKey]; if (inst) { if (inst.tag === HostComponent || inst.tag === HostText || inst.tag === SuspenseComponent || inst.tag === HostRoot) return inst; else return null; } return null; } /** * Given a ReactDOMComponent or ReactDOMTextComponent, return the corresponding * DOM node. */ function getNodeFromInstance(inst) { if (inst.tag === HostComponent || inst.tag === HostText) // In Fiber this, is just the state node right now. We assume it will be // a host component or host text. return inst.stateNode; // Without this first invariant, passing a non-DOM-component triggers the next // invariant for a missing parent, which is super confusing. throw new Error("getNodeFromInstance: Invalid argument."); } function getFiberCurrentPropsFromNode(node) { return node[internalPropsKey] || null; } function updateFiberProps(node, props) { node[internalPropsKey] = props; } function getEventListenerSet(node) { var elementListenerSet = node[internalEventHandlersKey]; if (elementListenerSet === undefined) elementListenerSet = node[internalEventHandlersKey] = new Set(); return elementListenerSet; } var loggedTypeFailures = {}; var ReactDebugCurrentFrame$1 = ReactSharedInternals.ReactDebugCurrentFrame; function setCurrentlyValidatingElement(element) { if (element) { var owner = element._owner; var stack = describeUnknownElementTypeFrameInDEV(element.type, element._source, owner ? owner.type : null); ReactDebugCurrentFrame$1.setExtraStackFrame(stack); } else ReactDebugCurrentFrame$1.setExtraStackFrame(null); } function checkPropTypes(typeSpecs, values, location, componentName, element) { // $FlowFixMe This is okay but Flow doesn't know it. var has = Function.call.bind(hasOwnProperty); for(var typeSpecName in typeSpecs)if (has(typeSpecs, typeSpecName)) { var error$1 = void 0; // Prop type validation may throw. In case they do, we don't want to // fail the render phase where it didn't fail before. So we log it. // After these have been cleaned up, we'll let them throw. try { // This is intentionally an invariant that gets caught. It's the same // behavior as without this statement except with a better message. if (typeof typeSpecs[typeSpecName] !== "function") { // eslint-disable-next-line react-internal/prod-error-codes var err = Error((componentName || "React class") + ": " + location + " type `" + typeSpecName + "` is invalid; " + "it must be a function, usually from the `prop-types` package, but received `" + typeof typeSpecs[typeSpecName] + "`." + "This often happens because of typos such as `PropTypes.function` instead of `PropTypes.func`."); err.name = "Invariant Violation"; throw err; } error$1 = typeSpecs[typeSpecName](values, typeSpecName, componentName, location, null, "SECRET_DO_NOT_PASS_THIS_OR_YOU_WILL_BE_FIRED"); } catch (ex) { error$1 = ex; } if (error$1 && !(error$1 instanceof Error)) { setCurrentlyValidatingElement(element); error("%s: type specification of %s `%s` is invalid; the type checker function must return `null` or an `Error` but returned a %s. You may have forgotten to pass an argument to the type checker creator (arrayOf, instanceOf, objectOf, oneOf, oneOfType, and shape all require an argument).", componentName || "React class", location, typeSpecName, typeof error$1); setCurrentlyValidatingElement(null); } if (error$1 instanceof Error && !(error$1.message in loggedTypeFailures)) { // Only monitor this failure once because there tends to be a lot of the // same error. loggedTypeFailures[error$1.message] = true; setCurrentlyValidatingElement(element); error("Failed %s type: %s", location, error$1.message); setCurrentlyValidatingElement(null); } } } var valueStack = []; var fiberStack; fiberStack = []; var index = -1; function createCursor(defaultValue) { return { current: defaultValue }; } function pop(cursor, fiber) { if (index < 0) { error("Unexpected pop."); return; } if (fiber !== fiberStack[index]) error("Unexpected Fiber popped."); cursor.current = valueStack[index]; valueStack[index] = null; fiberStack[index] = null; index--; } function push(cursor, value, fiber) { index++; valueStack[index] = cursor.current; fiberStack[index] = fiber; cursor.current = value; } var warnedAboutMissingGetChildContext; warnedAboutMissingGetChildContext = {}; var emptyContextObject = {}; Object.freeze(emptyContextObject); var contextStackCursor = createCursor(emptyContextObject); // A cursor to a boolean indicating whether the context has changed. var didPerformWorkStackCursor = createCursor(false); // Keep track of the previous context object that was on the stack. // We use this to get access to the parent context after we have already // pushed the next context provider, and now need to merge their contexts. var previousContext = emptyContextObject; function getUnmaskedContext(workInProgress, Component, didPushOwnContextIfProvider) { if (didPushOwnContextIfProvider && isContextProvider(Component)) // If the fiber is a context provider itself, when we read its context // we may have already pushed its own child context on the stack. A context // provider should not "see" its own child context. Therefore we read the // previous (parent) context instead for a context provider. return previousContext; return contextStackCursor.current; } function cacheContext(workInProgress, unmaskedContext, maskedContext) { var instance = workInProgress.stateNode; instance.__reactInternalMemoizedUnmaskedChildContext = unmaskedContext; instance.__reactInternalMemoizedMaskedChildContext = maskedContext; } function getMaskedContext(workInProgress, unmaskedContext) { var type = workInProgress.type; var contextTypes = type.contextTypes; if (!contextTypes) return emptyContextObject; // Avoid recreating masked context unless unmasked context has changed. // Failing to do this will result in unnecessary calls to componentWillReceiveProps. // This may trigger infinite loops if componentWillReceiveProps calls setState. var instance = workInProgress.stateNode; if (instance && instance.__reactInternalMemoizedUnmaskedChildContext === unmaskedContext) return instance.__reactInternalMemoizedMaskedChildContext; var context = {}; for(var key in contextTypes)context[key] = unmaskedContext[key]; var name = getComponentNameFromFiber(workInProgress) || "Unknown"; checkPropTypes(contextTypes, context, "context", name); // Context is created before the class component is instantiated so check for instance. if (instance) cacheContext(workInProgress, unmaskedContext, context); return context; } function hasContextChanged() { return didPerformWorkStackCursor.current; } function isContextProvider(type) { var childContextTypes = type.childContextTypes; return childContextTypes !== null && childContextTypes !== undefined; } function popContext(fiber) { pop(didPerformWorkStackCursor, fiber); pop(contextStackCursor, fiber); } function popTopLevelContextObject(fiber) { pop(didPerformWorkStackCursor, fiber); pop(contextStackCursor, fiber); } function pushTopLevelContextObject(fiber, context, didChange) { if (contextStackCursor.current !== emptyContextObject) throw new Error("Unexpected context found on stack. This error is likely caused by a bug in React. Please file an issue."); push(contextStackCursor, context, fiber); push(didPerformWorkStackCursor, didChange, fiber); } function processChildContext(fiber, type, parentContext) { var instance = fiber.stateNode; var childContextTypes = type.childContextTypes; // TODO (bvaughn) Replace this behavior with an invariant() in the future. // It has only been added in Fiber to match the (unintentional) behavior in Stack. if (typeof instance.getChildContext !== "function") { var componentName = getComponentNameFromFiber(fiber) || "Unknown"; if (!warnedAboutMissingGetChildContext[componentName]) { warnedAboutMissingGetChildContext[componentName] = true; error("%s.childContextTypes is specified but there is no getChildContext() method on the instance. You can either define getChildContext() on %s or remove childContextTypes from it.", componentName, componentName); } return parentContext; } var childContext = instance.getChildContext(); for(var contextKey in childContext){ if (!(contextKey in childContextTypes)) throw new Error((getComponentNameFromFiber(fiber) || "Unknown") + '.getChildContext(): key "' + contextKey + '" is not defined in childContextTypes.'); } var name = getComponentNameFromFiber(fiber) || "Unknown"; checkPropTypes(childContextTypes, childContext, "child context", name); return assign({}, parentContext, childContext); } function pushContextProvider(workInProgress) { var instance = workInProgress.stateNode; // We push the context as early as possible to ensure stack integrity. // If the instance does not exist yet, we will push null at first, // and replace it on the stack later when invalidating the context. var memoizedMergedChildContext = instance && instance.__reactInternalMemoizedMergedChildContext || emptyContextObject; // Remember the parent context so we can merge with it later. // Inherit the parent's did-perform-work value to avoid inadvertently blocking updates. previousContext = contextStackCursor.current; push(contextStackCursor, memoizedMergedChildContext, workInProgress); push(didPerformWorkStackCursor, didPerformWorkStackCursor.current, workInProgress); return true; } function invalidateContextProvider(workInProgress, type, didChange) { var instance = workInProgress.stateNode; if (!instance) throw new Error("Expected to have an instance by this point. This error is likely caused by a bug in React. Please file an issue."); if (didChange) { // Merge parent and own context. // Skip this if we're not updating due to sCU. // This avoids unnecessarily recomputing memoized values. var mergedContext = processChildContext(workInProgress, type, previousContext); instance.__reactInternalMemoizedMergedChildContext = mergedContext; // Replace the old (or empty) context with the new one. // It is important to unwind the context in the reverse order. pop(didPerformWorkStackCursor, workInProgress); pop(contextStackCursor, workInProgress); // Now push the new context and mark that it has changed. push(contextStackCursor, mergedContext, workInProgress); push(didPerformWorkStackCursor, didChange, workInProgress); } else { pop(didPerformWorkStackCursor, workInProgress); push(didPerformWorkStackCursor, didChange, workInProgress); } } function findCurrentUnmaskedContext(fiber) { // Currently this is only used with renderSubtreeIntoContainer; not sure if it // makes sense elsewhere if (!isFiberMounted(fiber) || fiber.tag !== ClassComponent) throw new Error("Expected subtree parent to be a mounted class component. This error is likely caused by a bug in React. Please file an issue."); var node = fiber; do { switch(node.tag){ case HostRoot: return node.stateNode.context; case ClassComponent: var Component = node.type; if (isContextProvider(Component)) return node.stateNode.__reactInternalMemoizedMergedChildContext; break; } node = node.return; }while (node !== null); throw new Error("Found unexpected detached subtree parent. This error is likely caused by a bug in React. Please file an issue."); } var LegacyRoot = 0; var ConcurrentRoot = 1; var syncQueue = null; var includesLegacySyncCallbacks = false; var isFlushingSyncQueue = false; function scheduleSyncCallback(callback) { // Push this callback into an internal queue. We'll flush these either in // the next tick, or earlier if something calls `flushSyncCallbackQueue`. if (syncQueue === null) syncQueue = [ callback ]; else // Push onto existing queue. Don't need to schedule a callback because // we already scheduled one when we created the queue. syncQueue.push(callback); } function scheduleLegacySyncCallback(callback) { includesLegacySyncCallbacks = true; scheduleSyncCallback(callback); } function flushSyncCallbacksOnlyInLegacyMode() { // Only flushes the queue if there's a legacy sync callback scheduled. // TODO: There's only a single type of callback: performSyncOnWorkOnRoot. So // it might make more sense for the queue to be a list of roots instead of a // list of generic callbacks. Then we can have two: one for legacy roots, one // for concurrent roots. And this method would only flush the legacy ones. if (includesLegacySyncCallbacks) flushSyncCallbacks(); } function flushSyncCallbacks() { if (!isFlushingSyncQueue && syncQueue !== null) { // Prevent re-entrance. isFlushingSyncQueue = true; var i = 0; var previousUpdatePriority = getCurrentUpdatePriority(); try { var isSync = true; var queue = syncQueue; // TODO: Is this necessary anymore? The only user code that runs in this // queue is in the render or commit phases. setCurrentUpdatePriority(DiscreteEventPriority); for(; i < queue.length; i++){ var callback = queue[i]; do callback = callback(isSync); while (callback !== null); } syncQueue = null; includesLegacySyncCallbacks = false; } catch (error) { // If something throws, leave the remaining callbacks on the queue. if (syncQueue !== null) syncQueue = syncQueue.slice(i + 1); // Resume flushing in the next tick scheduleCallback(ImmediatePriority, flushSyncCallbacks); throw error; } finally{ setCurrentUpdatePriority(previousUpdatePriority); isFlushingSyncQueue = false; } } return null; } // TODO: Use the unified fiber stack module instead of this local one? // Intentionally not using it yet to derisk the initial implementation, because // the way we push/pop these values is a bit unusual. If there's a mistake, I'd // rather the ids be wrong than crash the whole reconciler. var forkStack = []; var forkStackIndex = 0; var treeForkProvider = null; var treeForkCount = 0; var idStack = []; var idStackIndex = 0; var treeContextProvider = null; var treeContextId = 1; var treeContextOverflow = ""; function isForkedChild(workInProgress) { warnIfNotHydrating(); return (workInProgress.flags & Forked) !== NoFlags; } function getForksAtLevel(workInProgress) { warnIfNotHydrating(); return treeForkCount; } function getTreeId() { var overflow = treeContextOverflow; var idWithLeadingBit = treeContextId; var id = idWithLeadingBit & ~getLeadingBit(idWithLeadingBit); return id.toString(32) + overflow; } function pushTreeFork(workInProgress, totalChildren) { // This is called right after we reconcile an array (or iterator) of child // fibers, because that's the only place where we know how many children in // the whole set without doing extra work later, or storing addtional // information on the fiber. // // That's why this function is separate from pushTreeId — it's called during // the render phase of the fork parent, not the child, which is where we push // the other context values. // // In the Fizz implementation this is much simpler because the child is // rendered in the same callstack as the parent. // // It might be better to just add a `forks` field to the Fiber type. It would // make this module simpler. warnIfNotHydrating(); forkStack[forkStackIndex++] = treeForkCount; forkStack[forkStackIndex++] = treeForkProvider; treeForkProvider = workInProgress; treeForkCount = totalChildren; } function pushTreeId(workInProgress, totalChildren, index) { warnIfNotHydrating(); idStack[idStackIndex++] = treeContextId; idStack[idStackIndex++] = treeContextOverflow; idStack[idStackIndex++] = treeContextProvider; treeContextProvider = workInProgress; var baseIdWithLeadingBit = treeContextId; var baseOverflow = treeContextOverflow; // The leftmost 1 marks the end of the sequence, non-inclusive. It's not part // of the id; we use it to account for leading 0s. var baseLength = getBitLength(baseIdWithLeadingBit) - 1; var baseId = baseIdWithLeadingBit & ~(1 << baseLength); var slot = index + 1; var length = getBitLength(totalChildren) + baseLength; // 30 is the max length we can store without overflowing, taking into // consideration the leading 1 we use to mark the end of the sequence. if (length > 30) { // We overflowed the bitwise-safe range. Fall back to slower algorithm. // This branch assumes the length of the base id is greater than 5; it won't // work for smaller ids, because you need 5 bits per character. // // We encode the id in multiple steps: first the base id, then the // remaining digits. // // Each 5 bit sequence corresponds to a single base 32 character. So for // example, if the current id is 23 bits long, we can convert 20 of those // bits into a string of 4 characters, with 3 bits left over. // // First calculate how many bits in the base id represent a complete // sequence of characters. var numberOfOverflowBits = baseLength - baseLength % 5; // Then create a bitmask that selects only those bits. var newOverflowBits = (1 << numberOfOverflowBits) - 1; // Select the bits, and convert them to a base 32 string. var newOverflow = (baseId & newOverflowBits).toString(32); // Now we can remove those bits from the base id. var restOfBaseId = baseId >> numberOfOverflowBits; var restOfBaseLength = baseLength - numberOfOverflowBits; // Finally, encode the rest of the bits using the normal algorithm. Because // we made more room, this time it won't overflow. var restOfLength = getBitLength(totalChildren) + restOfBaseLength; var restOfNewBits = slot << restOfBaseLength; var id = restOfNewBits | restOfBaseId; var overflow = newOverflow + baseOverflow; treeContextId = 1 << restOfLength | id; treeContextOverflow = overflow; } else { // Normal path var newBits = slot << baseLength; var _id = newBits | baseId; var _overflow = baseOverflow; treeContextId = 1 << length | _id; treeContextOverflow = _overflow; } } function pushMaterializedTreeId(workInProgress) { warnIfNotHydrating(); // This component materialized an id. This will affect any ids that appear // in its children. var returnFiber = workInProgress.return; if (returnFiber !== null) { var numberOfForks = 1; var slotIndex = 0; pushTreeFork(workInProgress, numberOfForks); pushTreeId(workInProgress, numberOfForks, slotIndex); } } function getBitLength(number) { return 32 - clz32(number); } function getLeadingBit(id) { return 1 << getBitLength(id) - 1; } function popTreeContext(workInProgress) { // Restore the previous values. // This is a bit more complicated than other context-like modules in Fiber // because the same Fiber may appear on the stack multiple times and for // different reasons. We have to keep popping until the work-in-progress is // no longer at the top of the stack. while(workInProgress === treeForkProvider){ treeForkProvider = forkStack[--forkStackIndex]; forkStack[forkStackIndex] = null; treeForkCount = forkStack[--forkStackIndex]; forkStack[forkStackIndex] = null; } while(workInProgress === treeContextProvider){ treeContextProvider = idStack[--idStackIndex]; idStack[idStackIndex] = null; treeContextOverflow = idStack[--idStackIndex]; idStack[idStackIndex] = null; treeContextId = idStack[--idStackIndex]; idStack[idStackIndex] = null; } } function getSuspendedTreeContext() { warnIfNotHydrating(); if (treeContextProvider !== null) return { id: treeContextId, overflow: treeContextOverflow }; else return null; } function restoreSuspendedTreeContext(workInProgress, suspendedContext) { warnIfNotHydrating(); idStack[idStackIndex++] = treeContextId; idStack[idStackIndex++] = treeContextOverflow; idStack[idStackIndex++] = treeContextProvider; treeContextId = suspendedContext.id; treeContextOverflow = suspendedContext.overflow; treeContextProvider = workInProgress; } function warnIfNotHydrating() { if (!getIsHydrating()) error("Expected to be hydrating. This is a bug in React. Please file an issue."); } // This may have been an insertion or a hydration. var hydrationParentFiber = null; var nextHydratableInstance = null; var isHydrating = false; // This flag allows for warning supression when we expect there to be mismatches // due to earlier mismatches or a suspended fiber. var didSuspendOrErrorDEV = false; // Hydration errors that were thrown inside this boundary var hydrationErrors = null; function warnIfHydrating() { if (isHydrating) error("We should not be hydrating here. This is a bug in React. Please file a bug."); } function markDidThrowWhileHydratingDEV() { didSuspendOrErrorDEV = true; } function didSuspendOrErrorWhileHydratingDEV() { return didSuspendOrErrorDEV; } function enterHydrationState(fiber) { var parentInstance = fiber.stateNode.containerInfo; nextHydratableInstance = getFirstHydratableChildWithinContainer(parentInstance); hydrationParentFiber = fiber; isHydrating = true; hydrationErrors = null; didSuspendOrErrorDEV = false; return true; } function reenterHydrationStateFromDehydratedSuspenseInstance(fiber, suspenseInstance, treeContext) { nextHydratableInstance = getFirstHydratableChildWithinSuspenseInstance(suspenseInstance); hydrationParentFiber = fiber; isHydrating = true; hydrationErrors = null; didSuspendOrErrorDEV = false; if (treeContext !== null) restoreSuspendedTreeContext(fiber, treeContext); return true; } function warnUnhydratedInstance(returnFiber, instance) { switch(returnFiber.tag){ case HostRoot: didNotHydrateInstanceWithinContainer(returnFiber.stateNode.containerInfo, instance); break; case HostComponent: var isConcurrentMode = (returnFiber.mode & ConcurrentMode) !== NoMode; didNotHydrateInstance(returnFiber.type, returnFiber.memoizedProps, returnFiber.stateNode, instance, isConcurrentMode); break; case SuspenseComponent: var suspenseState = returnFiber.memoizedState; if (suspenseState.dehydrated !== null) didNotHydrateInstanceWithinSuspenseInstance(suspenseState.dehydrated, instance); break; } } function deleteHydratableInstance(returnFiber, instance) { warnUnhydratedInstance(returnFiber, instance); var childToDelete = createFiberFromHostInstanceForDeletion(); childToDelete.stateNode = instance; childToDelete.return = returnFiber; var deletions = returnFiber.deletions; if (deletions === null) { returnFiber.deletions = [ childToDelete ]; returnFiber.flags |= ChildDeletion; } else deletions.push(childToDelete); } function warnNonhydratedInstance(returnFiber, fiber) { if (didSuspendOrErrorDEV) // Inside a boundary that already suspended. We're currently rendering the // siblings of a suspended node. The mismatch may be due to the missing // data, so it's probably a false positive. return; switch(returnFiber.tag){ case HostRoot: var parentContainer = returnFiber.stateNode.containerInfo; switch(fiber.tag){ case HostComponent: var type = fiber.type; var props = fiber.pendingProps; didNotFindHydratableInstanceWithinContainer(parentContainer, type); break; case HostText: var text = fiber.pendingProps; didNotFindHydratableTextInstanceWithinContainer(parentContainer, text); break; } break; case HostComponent: var parentType = returnFiber.type; var parentProps = returnFiber.memoizedProps; var parentInstance = returnFiber.stateNode; switch(fiber.tag){ case HostComponent: var _type = fiber.type; var _props = fiber.pendingProps; var isConcurrentMode = (returnFiber.mode & ConcurrentMode) !== NoMode; didNotFindHydratableInstance(parentType, parentProps, parentInstance, _type, _props, isConcurrentMode); break; case HostText: var _text = fiber.pendingProps; var _isConcurrentMode = (returnFiber.mode & ConcurrentMode) !== NoMode; didNotFindHydratableTextInstance(parentType, parentProps, parentInstance, _text, _isConcurrentMode); break; } break; case SuspenseComponent: var suspenseState = returnFiber.memoizedState; var _parentInstance = suspenseState.dehydrated; if (_parentInstance !== null) switch(fiber.tag){ case HostComponent: var _type2 = fiber.type; var _props2 = fiber.pendingProps; didNotFindHydratableInstanceWithinSuspenseInstance(_parentInstance, _type2); break; case HostText: var _text2 = fiber.pendingProps; didNotFindHydratableTextInstanceWithinSuspenseInstance(_parentInstance, _text2); break; } break; default: return; } } function insertNonHydratedInstance(returnFiber, fiber) { fiber.flags = fiber.flags & ~Hydrating | Placement; warnNonhydratedInstance(returnFiber, fiber); } function tryHydrate(fiber, nextInstance) { switch(fiber.tag){ case HostComponent: var type = fiber.type; var props = fiber.pendingProps; var instance = canHydrateInstance(nextInstance, type); if (instance !== null) { fiber.stateNode = instance; hydrationParentFiber = fiber; nextHydratableInstance = getFirstHydratableChild(instance); return true; } return false; case HostText: var text = fiber.pendingProps; var textInstance = canHydrateTextInstance(nextInstance, text); if (textInstance !== null) { fiber.stateNode = textInstance; hydrationParentFiber = fiber; // Text Instances don't have children so there's nothing to hydrate. nextHydratableInstance = null; return true; } return false; case SuspenseComponent: var suspenseInstance = canHydrateSuspenseInstance(nextInstance); if (suspenseInstance !== null) { var suspenseState = { dehydrated: suspenseInstance, treeContext: getSuspendedTreeContext(), retryLane: OffscreenLane }; fiber.memoizedState = suspenseState; // Store the dehydrated fragment as a child fiber. // This simplifies the code for getHostSibling and deleting nodes, // since it doesn't have to consider all Suspense boundaries and // check if they're dehydrated ones or not. var dehydratedFragment = createFiberFromDehydratedFragment(suspenseInstance); dehydratedFragment.return = fiber; fiber.child = dehydratedFragment; hydrationParentFiber = fiber; // While a Suspense Instance does have children, we won't step into // it during the first pass. Instead, we'll reenter it later. nextHydratableInstance = null; return true; } return false; default: return false; } } function shouldClientRenderOnMismatch(fiber) { return (fiber.mode & ConcurrentMode) !== NoMode && (fiber.flags & DidCapture) === NoFlags; } function throwOnHydrationMismatch(fiber) { throw new Error("Hydration failed because the initial UI does not match what was rendered on the server."); } function tryToClaimNextHydratableInstance(fiber) { if (!isHydrating) return; var nextInstance = nextHydratableInstance; if (!nextInstance) { if (shouldClientRenderOnMismatch(fiber)) { warnNonhydratedInstance(hydrationParentFiber, fiber); throwOnHydrationMismatch(); } // Nothing to hydrate. Make it an insertion. insertNonHydratedInstance(hydrationParentFiber, fiber); isHydrating = false; hydrationParentFiber = fiber; return; } var firstAttemptedInstance = nextInstance; if (!tryHydrate(fiber, nextInstance)) { if (shouldClientRenderOnMismatch(fiber)) { warnNonhydratedInstance(hydrationParentFiber, fiber); throwOnHydrationMismatch(); } // If we can't hydrate this instance let's try the next one. // We use this as a heuristic. It's based on intuition and not data so it // might be flawed or unnecessary. nextInstance = getNextHydratableSibling(firstAttemptedInstance); var prevHydrationParentFiber = hydrationParentFiber; if (!nextInstance || !tryHydrate(fiber, nextInstance)) { // Nothing to hydrate. Make it an insertion. insertNonHydratedInstance(hydrationParentFiber, fiber); isHydrating = false; hydrationParentFiber = fiber; return; } // We matched the next one, we'll now assume that the first one was // superfluous and we'll delete it. Since we can't eagerly delete it // we'll have to schedule a deletion. To do that, this node needs a dummy // fiber associated with it. deleteHydratableInstance(prevHydrationParentFiber, firstAttemptedInstance); } } function prepareToHydrateHostInstance(fiber, rootContainerInstance, hostContext) { var instance = fiber.stateNode; var shouldWarnIfMismatchDev = !didSuspendOrErrorDEV; var updatePayload = hydrateInstance(instance, fiber.type, fiber.memoizedProps, rootContainerInstance, hostContext, fiber, shouldWarnIfMismatchDev); // TODO: Type this specific to this type of component. fiber.updateQueue = updatePayload; // If the update payload indicates that there is a change or if there // is a new ref we mark this as an update. if (updatePayload !== null) return true; return false; } function prepareToHydrateHostTextInstance(fiber) { var textInstance = fiber.stateNode; var textContent = fiber.memoizedProps; var shouldUpdate = hydrateTextInstance(textInstance, textContent, fiber); if (shouldUpdate) { // We assume that prepareToHydrateHostTextInstance is called in a context where the // hydration parent is the parent host component of this host text. var returnFiber = hydrationParentFiber; if (returnFiber !== null) switch(returnFiber.tag){ case HostRoot: var parentContainer = returnFiber.stateNode.containerInfo; var isConcurrentMode = (returnFiber.mode & ConcurrentMode) !== NoMode; didNotMatchHydratedContainerTextInstance(parentContainer, textInstance, textContent, isConcurrentMode); break; case HostComponent: var parentType = returnFiber.type; var parentProps = returnFiber.memoizedProps; var parentInstance = returnFiber.stateNode; var _isConcurrentMode2 = (returnFiber.mode & ConcurrentMode) !== NoMode; didNotMatchHydratedTextInstance(parentType, parentProps, parentInstance, textInstance, textContent, _isConcurrentMode2); break; } } return shouldUpdate; } function prepareToHydrateHostSuspenseInstance(fiber) { var suspenseState = fiber.memoizedState; var suspenseInstance = suspenseState !== null ? suspenseState.dehydrated : null; if (!suspenseInstance) throw new Error("Expected to have a hydrated suspense instance. This error is likely caused by a bug in React. Please file an issue."); hydrateSuspenseInstance(suspenseInstance, fiber); } function skipPastDehydratedSuspenseInstance(fiber) { var suspenseState = fiber.memoizedState; var suspenseInstance = suspenseState !== null ? suspenseState.dehydrated : null; if (!suspenseInstance) throw new Error("Expected to have a hydrated suspense instance. This error is likely caused by a bug in React. Please file an issue."); return getNextHydratableInstanceAfterSuspenseInstance(suspenseInstance); } function popToNextHostParent(fiber) { var parent = fiber.return; while(parent !== null && parent.tag !== HostComponent && parent.tag !== HostRoot && parent.tag !== SuspenseComponent)parent = parent.return; hydrationParentFiber = parent; } function popHydrationState(fiber) { if (fiber !== hydrationParentFiber) // We're deeper than the current hydration context, inside an inserted // tree. return false; if (!isHydrating) { // If we're not currently hydrating but we're in a hydration context, then // we were an insertion and now need to pop up reenter hydration of our // siblings. popToNextHostParent(fiber); isHydrating = true; return false; } // If we have any remaining hydratable nodes, we need to delete them now. // We only do this deeper than head and body since they tend to have random // other nodes in them. We also ignore components with pure text content in // side of them. We also don't delete anything inside the root container. if (fiber.tag !== HostRoot && (fiber.tag !== HostComponent || shouldDeleteUnhydratedTailInstances(fiber.type) && !shouldSetTextContent(fiber.type, fiber.memoizedProps))) { var nextInstance = nextHydratableInstance; if (nextInstance) { if (shouldClientRenderOnMismatch(fiber)) { warnIfUnhydratedTailNodes(fiber); throwOnHydrationMismatch(); } else while(nextInstance){ deleteHydratableInstance(fiber, nextInstance); nextInstance = getNextHydratableSibling(nextInstance); } } } popToNextHostParent(fiber); if (fiber.tag === SuspenseComponent) nextHydratableInstance = skipPastDehydratedSuspenseInstance(fiber); else nextHydratableInstance = hydrationParentFiber ? getNextHydratableSibling(fiber.stateNode) : null; return true; } function hasUnhydratedTailNodes() { return isHydrating && nextHydratableInstance !== null; } function warnIfUnhydratedTailNodes(fiber) { var nextInstance = nextHydratableInstance; while(nextInstance){ warnUnhydratedInstance(fiber, nextInstance); nextInstance = getNextHydratableSibling(nextInstance); } } function resetHydrationState() { hydrationParentFiber = null; nextHydratableInstance = null; isHydrating = false; didSuspendOrErrorDEV = false; } function upgradeHydrationErrorsToRecoverable() { if (hydrationErrors !== null) { // Successfully completed a forced client render. The errors that occurred // during the hydration attempt are now recovered. We will log them in // commit phase, once the entire tree has finished. queueRecoverableErrors(hydrationErrors); hydrationErrors = null; } } function getIsHydrating() { return isHydrating; } function queueHydrationError(error) { if (hydrationErrors === null) hydrationErrors = [ error ]; else hydrationErrors.push(error); } var ReactCurrentBatchConfig$1 = ReactSharedInternals.ReactCurrentBatchConfig; var NoTransition = null; function requestCurrentTransition() { return ReactCurrentBatchConfig$1.transition; } var ReactStrictModeWarnings = { recordUnsafeLifecycleWarnings: function(fiber, instance) {}, flushPendingUnsafeLifecycleWarnings: function() {}, recordLegacyContextWarning: function(fiber, instance) {}, flushLegacyContextWarning: function() {}, discardPendingWarnings: function() {} }; var findStrictRoot = function(fiber) { var maybeStrictRoot = null; var node = fiber; while(node !== null){ if (node.mode & StrictLegacyMode) maybeStrictRoot = node; node = node.return; } return maybeStrictRoot; }; var setToSortedString = function(set) { var array = []; set.forEach(function(value) { array.push(value); }); return array.sort().join(", "); }; var pendingComponentWillMountWarnings = []; var pendingUNSAFE_ComponentWillMountWarnings = []; var pendingComponentWillReceivePropsWarnings = []; var pendingUNSAFE_ComponentWillReceivePropsWarnings = []; var pendingComponentWillUpdateWarnings = []; var pendingUNSAFE_ComponentWillUpdateWarnings = []; // Tracks components we have already warned about. var didWarnAboutUnsafeLifecycles = new Set(); ReactStrictModeWarnings.recordUnsafeLifecycleWarnings = function(fiber, instance) { // Dedupe strategy: Warn once per component. if (didWarnAboutUnsafeLifecycles.has(fiber.type)) return; if (typeof instance.componentWillMount === "function" && // Don't warn about react-lifecycles-compat polyfilled components. instance.componentWillMount.__suppressDeprecationWarning !== true) pendingComponentWillMountWarnings.push(fiber); if (fiber.mode & StrictLegacyMode && typeof instance.UNSAFE_componentWillMount === "function") pendingUNSAFE_ComponentWillMountWarnings.push(fiber); if (typeof instance.componentWillReceiveProps === "function" && instance.componentWillReceiveProps.__suppressDeprecationWarning !== true) pendingComponentWillReceivePropsWarnings.push(fiber); if (fiber.mode & StrictLegacyMode && typeof instance.UNSAFE_componentWillReceiveProps === "function") pendingUNSAFE_ComponentWillReceivePropsWarnings.push(fiber); if (typeof instance.componentWillUpdate === "function" && instance.componentWillUpdate.__suppressDeprecationWarning !== true) pendingComponentWillUpdateWarnings.push(fiber); if (fiber.mode & StrictLegacyMode && typeof instance.UNSAFE_componentWillUpdate === "function") pendingUNSAFE_ComponentWillUpdateWarnings.push(fiber); }; ReactStrictModeWarnings.flushPendingUnsafeLifecycleWarnings = function() { // We do an initial pass to gather component names var componentWillMountUniqueNames = new Set(); if (pendingComponentWillMountWarnings.length > 0) { pendingComponentWillMountWarnings.forEach(function(fiber) { componentWillMountUniqueNames.add(getComponentNameFromFiber(fiber) || "Component"); didWarnAboutUnsafeLifecycles.add(fiber.type); }); pendingComponentWillMountWarnings = []; } var UNSAFE_componentWillMountUniqueNames = new Set(); if (pendingUNSAFE_ComponentWillMountWarnings.length > 0) { pendingUNSAFE_ComponentWillMountWarnings.forEach(function(fiber) { UNSAFE_componentWillMountUniqueNames.add(getComponentNameFromFiber(fiber) || "Component"); didWarnAboutUnsafeLifecycles.add(fiber.type); }); pendingUNSAFE_ComponentWillMountWarnings = []; } var componentWillReceivePropsUniqueNames = new Set(); if (pendingComponentWillReceivePropsWarnings.length > 0) { pendingComponentWillReceivePropsWarnings.forEach(function(fiber) { componentWillReceivePropsUniqueNames.add(getComponentNameFromFiber(fiber) || "Component"); didWarnAboutUnsafeLifecycles.add(fiber.type); }); pendingComponentWillReceivePropsWarnings = []; } var UNSAFE_componentWillReceivePropsUniqueNames = new Set(); if (pendingUNSAFE_ComponentWillReceivePropsWarnings.length > 0) { pendingUNSAFE_ComponentWillReceivePropsWarnings.forEach(function(fiber) { UNSAFE_componentWillReceivePropsUniqueNames.add(getComponentNameFromFiber(fiber) || "Component"); didWarnAboutUnsafeLifecycles.add(fiber.type); }); pendingUNSAFE_ComponentWillReceivePropsWarnings = []; } var componentWillUpdateUniqueNames = new Set(); if (pendingComponentWillUpdateWarnings.length > 0) { pendingComponentWillUpdateWarnings.forEach(function(fiber) { componentWillUpdateUniqueNames.add(getComponentNameFromFiber(fiber) || "Component"); didWarnAboutUnsafeLifecycles.add(fiber.type); }); pendingComponentWillUpdateWarnings = []; } var UNSAFE_componentWillUpdateUniqueNames = new Set(); if (pendingUNSAFE_ComponentWillUpdateWarnings.length > 0) { pendingUNSAFE_ComponentWillUpdateWarnings.forEach(function(fiber) { UNSAFE_componentWillUpdateUniqueNames.add(getComponentNameFromFiber(fiber) || "Component"); didWarnAboutUnsafeLifecycles.add(fiber.type); }); pendingUNSAFE_ComponentWillUpdateWarnings = []; } // Finally, we flush all the warnings // UNSAFE_ ones before the deprecated ones, since they'll be 'louder' if (UNSAFE_componentWillMountUniqueNames.size > 0) { var sortedNames = setToSortedString(UNSAFE_componentWillMountUniqueNames); error("Using UNSAFE_componentWillMount in strict mode is not recommended and may indicate bugs in your code. See https://reactjs.org/link/unsafe-component-lifecycles for details.\n\n* Move code with side effects to componentDidMount, and set initial state in the constructor.\n\nPlease update the following components: %s", sortedNames); } if (UNSAFE_componentWillReceivePropsUniqueNames.size > 0) { var _sortedNames = setToSortedString(UNSAFE_componentWillReceivePropsUniqueNames); error("Using UNSAFE_componentWillReceiveProps in strict mode is not recommended and may indicate bugs in your code. See https://reactjs.org/link/unsafe-component-lifecycles for details.\n\n* Move data fetching code or side effects to componentDidUpdate.\n* If you're updating state whenever props change, refactor your code to use memoization techniques or move it to static getDerivedStateFromProps. Learn more at: https://reactjs.org/link/derived-state\n\nPlease update the following components: %s", _sortedNames); } if (UNSAFE_componentWillUpdateUniqueNames.size > 0) { var _sortedNames2 = setToSortedString(UNSAFE_componentWillUpdateUniqueNames); error("Using UNSAFE_componentWillUpdate in strict mode is not recommended and may indicate bugs in your code. See https://reactjs.org/link/unsafe-component-lifecycles for details.\n\n* Move data fetching code or side effects to componentDidUpdate.\n\nPlease update the following components: %s", _sortedNames2); } if (componentWillMountUniqueNames.size > 0) { var _sortedNames3 = setToSortedString(componentWillMountUniqueNames); warn("componentWillMount has been renamed, and is not recommended for use. See https://reactjs.org/link/unsafe-component-lifecycles for details.\n\n* Move code with side effects to componentDidMount, and set initial state in the constructor.\n* Rename componentWillMount to UNSAFE_componentWillMount to suppress this warning in non-strict mode. In React 18.x, only the UNSAFE_ name will work. To rename all deprecated lifecycles to their new names, you can run `npx react-codemod rename-unsafe-lifecycles` in your project source folder.\n\nPlease update the following components: %s", _sortedNames3); } if (componentWillReceivePropsUniqueNames.size > 0) { var _sortedNames4 = setToSortedString(componentWillReceivePropsUniqueNames); warn("componentWillReceiveProps has been renamed, and is not recommended for use. See https://reactjs.org/link/unsafe-component-lifecycles for details.\n\n* Move data fetching code or side effects to componentDidUpdate.\n* If you're updating state whenever props change, refactor your code to use memoization techniques or move it to static getDerivedStateFromProps. Learn more at: https://reactjs.org/link/derived-state\n* Rename componentWillReceiveProps to UNSAFE_componentWillReceiveProps to suppress this warning in non-strict mode. In React 18.x, only the UNSAFE_ name will work. To rename all deprecated lifecycles to their new names, you can run `npx react-codemod rename-unsafe-lifecycles` in your project source folder.\n\nPlease update the following components: %s", _sortedNames4); } if (componentWillUpdateUniqueNames.size > 0) { var _sortedNames5 = setToSortedString(componentWillUpdateUniqueNames); warn("componentWillUpdate has been renamed, and is not recommended for use. See https://reactjs.org/link/unsafe-component-lifecycles for details.\n\n* Move data fetching code or side effects to componentDidUpdate.\n* Rename componentWillUpdate to UNSAFE_componentWillUpdate to suppress this warning in non-strict mode. In React 18.x, only the UNSAFE_ name will work. To rename all deprecated lifecycles to their new names, you can run `npx react-codemod rename-unsafe-lifecycles` in your project source folder.\n\nPlease update the following components: %s", _sortedNames5); } }; var pendingLegacyContextWarning = new Map(); // Tracks components we have already warned about. var didWarnAboutLegacyContext = new Set(); ReactStrictModeWarnings.recordLegacyContextWarning = function(fiber, instance) { var strictRoot = findStrictRoot(fiber); if (strictRoot === null) { error("Expected to find a StrictMode component in a strict mode tree. This error is likely caused by a bug in React. Please file an issue."); return; } // Dedup strategy: Warn once per component. if (didWarnAboutLegacyContext.has(fiber.type)) return; var warningsForRoot = pendingLegacyContextWarning.get(strictRoot); if (fiber.type.contextTypes != null || fiber.type.childContextTypes != null || instance !== null && typeof instance.getChildContext === "function") { if (warningsForRoot === undefined) { warningsForRoot = []; pendingLegacyContextWarning.set(strictRoot, warningsForRoot); } warningsForRoot.push(fiber); } }; ReactStrictModeWarnings.flushLegacyContextWarning = function() { pendingLegacyContextWarning.forEach(function(fiberArray, strictRoot) { if (fiberArray.length === 0) return; var firstFiber = fiberArray[0]; var uniqueNames = new Set(); fiberArray.forEach(function(fiber) { uniqueNames.add(getComponentNameFromFiber(fiber) || "Component"); didWarnAboutLegacyContext.add(fiber.type); }); var sortedNames = setToSortedString(uniqueNames); try { setCurrentFiber(firstFiber); error("Legacy context API has been detected within a strict-mode tree.\n\nThe old API will be supported in all 16.x releases, but applications using it should migrate to the new version.\n\nPlease update the following components: %s\n\nLearn more about this warning here: https://reactjs.org/link/legacy-context", sortedNames); } finally{ resetCurrentFiber(); } }); }; ReactStrictModeWarnings.discardPendingWarnings = function() { pendingComponentWillMountWarnings = []; pendingUNSAFE_ComponentWillMountWarnings = []; pendingComponentWillReceivePropsWarnings = []; pendingUNSAFE_ComponentWillReceivePropsWarnings = []; pendingComponentWillUpdateWarnings = []; pendingUNSAFE_ComponentWillUpdateWarnings = []; pendingLegacyContextWarning = new Map(); }; function resolveDefaultProps(Component, baseProps) { if (Component && Component.defaultProps) { // Resolve default props. Taken from ReactElement var props = assign({}, baseProps); var defaultProps = Component.defaultProps; for(var propName in defaultProps)if (props[propName] === undefined) props[propName] = defaultProps[propName]; return props; } return baseProps; } var valueCursor = createCursor(null); var rendererSigil; // Use this to detect multiple renderers using the same context rendererSigil = {}; var currentlyRenderingFiber = null; var lastContextDependency = null; var lastFullyObservedContext = null; var isDisallowedContextReadInDEV = false; function resetContextDependencies() { // This is called right before React yields execution, to ensure `readContext` // cannot be called outside the render phase. currentlyRenderingFiber = null; lastContextDependency = null; lastFullyObservedContext = null; isDisallowedContextReadInDEV = false; } function enterDisallowedContextReadInDEV() { isDisallowedContextReadInDEV = true; } function exitDisallowedContextReadInDEV() { isDisallowedContextReadInDEV = false; } function pushProvider(providerFiber, context, nextValue) { push(valueCursor, context._currentValue, providerFiber); context._currentValue = nextValue; if (context._currentRenderer !== undefined && context._currentRenderer !== null && context._currentRenderer !== rendererSigil) error("Detected multiple renderers concurrently rendering the same context provider. This is currently unsupported."); context._currentRenderer = rendererSigil; } function popProvider(context, providerFiber) { var currentValue = valueCursor.current; pop(valueCursor, providerFiber); context._currentValue = currentValue; } function scheduleContextWorkOnParentPath(parent, renderLanes, propagationRoot) { // Update the child lanes of all the ancestors, including the alternates. var node = parent; while(node !== null){ var alternate = node.alternate; if (!isSubsetOfLanes(node.childLanes, renderLanes)) { node.childLanes = mergeLanes(node.childLanes, renderLanes); if (alternate !== null) alternate.childLanes = mergeLanes(alternate.childLanes, renderLanes); } else if (alternate !== null && !isSubsetOfLanes(alternate.childLanes, renderLanes)) alternate.childLanes = mergeLanes(alternate.childLanes, renderLanes); if (node === propagationRoot) break; node = node.return; } if (node !== propagationRoot) error("Expected to find the propagation root when scheduling context work. This error is likely caused by a bug in React. Please file an issue."); } function propagateContextChange(workInProgress, context, renderLanes) { propagateContextChange_eager(workInProgress, context, renderLanes); } function propagateContextChange_eager(workInProgress, context, renderLanes) { var fiber = workInProgress.child; if (fiber !== null) // Set the return pointer of the child to the work-in-progress fiber. fiber.return = workInProgress; while(fiber !== null){ var nextFiber = void 0; // Visit this fiber. var list = fiber.dependencies; if (list !== null) { nextFiber = fiber.child; var dependency = list.firstContext; while(dependency !== null){ // Check if the context matches. if (dependency.context === context) { // Match! Schedule an update on this fiber. if (fiber.tag === ClassComponent) { // Schedule a force update on the work-in-progress. var lane = pickArbitraryLane(renderLanes); var update = createUpdate(NoTimestamp, lane); update.tag = ForceUpdate; // TODO: Because we don't have a work-in-progress, this will add the // update to the current fiber, too, which means it will persist even if // this render is thrown away. Since it's a race condition, not sure it's // worth fixing. // Inlined `enqueueUpdate` to remove interleaved update check var updateQueue = fiber.updateQueue; if (updateQueue === null) ; else { var sharedQueue = updateQueue.shared; var pending = sharedQueue.pending; if (pending === null) // This is the first update. Create a circular list. update.next = update; else { update.next = pending.next; pending.next = update; } sharedQueue.pending = update; } } fiber.lanes = mergeLanes(fiber.lanes, renderLanes); var alternate = fiber.alternate; if (alternate !== null) alternate.lanes = mergeLanes(alternate.lanes, renderLanes); scheduleContextWorkOnParentPath(fiber.return, renderLanes, workInProgress); // Mark the updated lanes on the list, too. list.lanes = mergeLanes(list.lanes, renderLanes); // Since we already found a match, we can stop traversing the break; } dependency = dependency.next; } } else if (fiber.tag === ContextProvider) // Don't scan deeper if this is a matching provider nextFiber = fiber.type === workInProgress.type ? null : fiber.child; else if (fiber.tag === DehydratedFragment) { // If a dehydrated suspense boundary is in this subtree, we don't know // if it will have any context consumers in it. The best we can do is // mark it as having updates. var parentSuspense = fiber.return; if (parentSuspense === null) throw new Error("We just came from a parent so we must have had a parent. This is a bug in React."); parentSuspense.lanes = mergeLanes(parentSuspense.lanes, renderLanes); var _alternate = parentSuspense.alternate; if (_alternate !== null) _alternate.lanes = mergeLanes(_alternate.lanes, renderLanes); // This is intentionally passing this fiber as the parent // because we want to schedule this fiber as having work // on its children. We'll use the childLanes on // this fiber to indicate that a context has changed. scheduleContextWorkOnParentPath(parentSuspense, renderLanes, workInProgress); nextFiber = fiber.sibling; } else // Traverse down. nextFiber = fiber.child; if (nextFiber !== null) // Set the return pointer of the child to the work-in-progress fiber. nextFiber.return = fiber; else { // No child. Traverse to next sibling. nextFiber = fiber; while(nextFiber !== null){ if (nextFiber === workInProgress) { // We're back to the root of this subtree. Exit. nextFiber = null; break; } var sibling = nextFiber.sibling; if (sibling !== null) { // Set the return pointer of the sibling to the work-in-progress fiber. sibling.return = nextFiber.return; nextFiber = sibling; break; } // No more siblings. Traverse up. nextFiber = nextFiber.return; } } fiber = nextFiber; } } function prepareToReadContext(workInProgress, renderLanes) { currentlyRenderingFiber = workInProgress; lastContextDependency = null; lastFullyObservedContext = null; var dependencies = workInProgress.dependencies; if (dependencies !== null) { var firstContext = dependencies.firstContext; if (firstContext !== null) { if (includesSomeLane(dependencies.lanes, renderLanes)) // Context list has a pending update. Mark that this fiber performed work. markWorkInProgressReceivedUpdate(); // Reset the work-in-progress list dependencies.firstContext = null; } } } function readContext(context) { // This warning would fire if you read context inside a Hook like useMemo. // Unlike the class check below, it's not enforced in production for perf. if (isDisallowedContextReadInDEV) error("Context can only be read while React is rendering. In classes, you can read it in the render method or getDerivedStateFromProps. In function components, you can read it directly in the function body, but not inside Hooks like useReducer() or useMemo()."); var value = context._currentValue; if (lastFullyObservedContext === context) ; else { var contextItem = { context: context, memoizedValue: value, next: null }; if (lastContextDependency === null) { if (currentlyRenderingFiber === null) throw new Error("Context can only be read while React is rendering. In classes, you can read it in the render method or getDerivedStateFromProps. In function components, you can read it directly in the function body, but not inside Hooks like useReducer() or useMemo()."); // This is the first dependency for this component. Create a new list. lastContextDependency = contextItem; currentlyRenderingFiber.dependencies = { lanes: NoLanes, firstContext: contextItem }; } else // Append a new context item. lastContextDependency = lastContextDependency.next = contextItem; } return value; } // render. When this render exits, either because it finishes or because it is // interrupted, the interleaved updates will be transferred onto the main part // of the queue. var concurrentQueues = null; function pushConcurrentUpdateQueue(queue) { if (concurrentQueues === null) concurrentQueues = [ queue ]; else concurrentQueues.push(queue); } function finishQueueingConcurrentUpdates() { // Transfer the interleaved updates onto the main queue. Each queue has a // `pending` field and an `interleaved` field. When they are not null, they // point to the last node in a circular linked list. We need to append the // interleaved list to the end of the pending list by joining them into a // single, circular list. if (concurrentQueues !== null) { for(var i = 0; i < concurrentQueues.length; i++){ var queue = concurrentQueues[i]; var lastInterleavedUpdate = queue.interleaved; if (lastInterleavedUpdate !== null) { queue.interleaved = null; var firstInterleavedUpdate = lastInterleavedUpdate.next; var lastPendingUpdate = queue.pending; if (lastPendingUpdate !== null) { var firstPendingUpdate = lastPendingUpdate.next; lastPendingUpdate.next = firstInterleavedUpdate; lastInterleavedUpdate.next = firstPendingUpdate; } queue.pending = lastInterleavedUpdate; } } concurrentQueues = null; } } function enqueueConcurrentHookUpdate(fiber, queue, update, lane) { var interleaved = queue.interleaved; if (interleaved === null) { // This is the first update. Create a circular list. update.next = update; // At the end of the current render, this queue's interleaved updates will // be transferred to the pending queue. pushConcurrentUpdateQueue(queue); } else { update.next = interleaved.next; interleaved.next = update; } queue.interleaved = update; return markUpdateLaneFromFiberToRoot(fiber, lane); } function enqueueConcurrentHookUpdateAndEagerlyBailout(fiber, queue, update, lane) { var interleaved = queue.interleaved; if (interleaved === null) { // This is the first update. Create a circular list. update.next = update; // At the end of the current render, this queue's interleaved updates will // be transferred to the pending queue. pushConcurrentUpdateQueue(queue); } else { update.next = interleaved.next; interleaved.next = update; } queue.interleaved = update; } function enqueueConcurrentClassUpdate(fiber, queue, update, lane) { var interleaved = queue.interleaved; if (interleaved === null) { // This is the first update. Create a circular list. update.next = update; // At the end of the current render, this queue's interleaved updates will // be transferred to the pending queue. pushConcurrentUpdateQueue(queue); } else { update.next = interleaved.next; interleaved.next = update; } queue.interleaved = update; return markUpdateLaneFromFiberToRoot(fiber, lane); } function enqueueConcurrentRenderForLane(fiber, lane) { return markUpdateLaneFromFiberToRoot(fiber, lane); } // Calling this function outside this module should only be done for backwards // compatibility and should always be accompanied by a warning. var unsafe_markUpdateLaneFromFiberToRoot = markUpdateLaneFromFiberToRoot; function markUpdateLaneFromFiberToRoot(sourceFiber, lane) { // Update the source fiber's lanes sourceFiber.lanes = mergeLanes(sourceFiber.lanes, lane); var alternate = sourceFiber.alternate; if (alternate !== null) alternate.lanes = mergeLanes(alternate.lanes, lane); if (alternate === null && (sourceFiber.flags & (Placement | Hydrating)) !== NoFlags) warnAboutUpdateOnNotYetMountedFiberInDEV(sourceFiber); var node = sourceFiber; var parent = sourceFiber.return; while(parent !== null){ parent.childLanes = mergeLanes(parent.childLanes, lane); alternate = parent.alternate; if (alternate !== null) alternate.childLanes = mergeLanes(alternate.childLanes, lane); else if ((parent.flags & (Placement | Hydrating)) !== NoFlags) warnAboutUpdateOnNotYetMountedFiberInDEV(sourceFiber); node = parent; parent = parent.return; } if (node.tag === HostRoot) { var root = node.stateNode; return root; } else return null; } var UpdateState = 0; var ReplaceState = 1; var ForceUpdate = 2; var CaptureUpdate = 3; // Global state that is reset at the beginning of calling `processUpdateQueue`. // It should only be read right after calling `processUpdateQueue`, via // `checkHasForceUpdateAfterProcessing`. var hasForceUpdate = false; var didWarnUpdateInsideUpdate; var currentlyProcessingQueue; didWarnUpdateInsideUpdate = false; currentlyProcessingQueue = null; function initializeUpdateQueue(fiber) { var queue = { baseState: fiber.memoizedState, firstBaseUpdate: null, lastBaseUpdate: null, shared: { pending: null, interleaved: null, lanes: NoLanes }, effects: null }; fiber.updateQueue = queue; } function cloneUpdateQueue(current, workInProgress) { // Clone the update queue from current. Unless it's already a clone. var queue = workInProgress.updateQueue; var currentQueue = current.updateQueue; if (queue === currentQueue) { var clone = { baseState: currentQueue.baseState, firstBaseUpdate: currentQueue.firstBaseUpdate, lastBaseUpdate: currentQueue.lastBaseUpdate, shared: currentQueue.shared, effects: currentQueue.effects }; workInProgress.updateQueue = clone; } } function createUpdate(eventTime, lane) { var update = { eventTime: eventTime, lane: lane, tag: UpdateState, payload: null, callback: null, next: null }; return update; } function enqueueUpdate(fiber, update, lane) { var updateQueue = fiber.updateQueue; if (updateQueue === null) // Only occurs if the fiber has been unmounted. return null; var sharedQueue = updateQueue.shared; if (currentlyProcessingQueue === sharedQueue && !didWarnUpdateInsideUpdate) { error("An update (setState, replaceState, or forceUpdate) was scheduled from inside an update function. Update functions should be pure, with zero side-effects. Consider using componentDidUpdate or a callback."); didWarnUpdateInsideUpdate = true; } if (isUnsafeClassRenderPhaseUpdate()) { // This is an unsafe render phase update. Add directly to the update // queue so we can process it immediately during the current render. var pending = sharedQueue.pending; if (pending === null) // This is the first update. Create a circular list. update.next = update; else { update.next = pending.next; pending.next = update; } sharedQueue.pending = update; // Update the childLanes even though we're most likely already rendering // this fiber. This is for backwards compatibility in the case where you // update a different component during render phase than the one that is // currently renderings (a pattern that is accompanied by a warning). return unsafe_markUpdateLaneFromFiberToRoot(fiber, lane); } else return enqueueConcurrentClassUpdate(fiber, sharedQueue, update, lane); } function entangleTransitions(root, fiber, lane) { var updateQueue = fiber.updateQueue; if (updateQueue === null) // Only occurs if the fiber has been unmounted. return; var sharedQueue = updateQueue.shared; if (isTransitionLane(lane)) { var queueLanes = sharedQueue.lanes; // If any entangled lanes are no longer pending on the root, then they must // have finished. We can remove them from the shared queue, which represents // a superset of the actually pending lanes. In some cases we may entangle // more than we need to, but that's OK. In fact it's worse if we *don't* // entangle when we should. queueLanes = intersectLanes(queueLanes, root.pendingLanes); // Entangle the new transition lane with the other transition lanes. var newQueueLanes = mergeLanes(queueLanes, lane); sharedQueue.lanes = newQueueLanes; // Even if queue.lanes already include lane, we don't know for certain if // the lane finished since the last time we entangled it. So we need to // entangle it again, just to be sure. markRootEntangled(root, newQueueLanes); } } function enqueueCapturedUpdate(workInProgress, capturedUpdate) { // Captured updates are updates that are thrown by a child during the render // phase. They should be discarded if the render is aborted. Therefore, // we should only put them on the work-in-progress queue, not the current one. var queue = workInProgress.updateQueue; // Check if the work-in-progress queue is a clone. var current = workInProgress.alternate; if (current !== null) { var currentQueue = current.updateQueue; if (queue === currentQueue) { // The work-in-progress queue is the same as current. This happens when // we bail out on a parent fiber that then captures an error thrown by // a child. Since we want to append the update only to the work-in // -progress queue, we need to clone the updates. We usually clone during // processUpdateQueue, but that didn't happen in this case because we // skipped over the parent when we bailed out. var newFirst = null; var newLast = null; var firstBaseUpdate = queue.firstBaseUpdate; if (firstBaseUpdate !== null) { // Loop through the updates and clone them. var update = firstBaseUpdate; do { var clone = { eventTime: update.eventTime, lane: update.lane, tag: update.tag, payload: update.payload, callback: update.callback, next: null }; if (newLast === null) newFirst = newLast = clone; else { newLast.next = clone; newLast = clone; } update = update.next; }while (update !== null); // Append the captured update the end of the cloned list. if (newLast === null) newFirst = newLast = capturedUpdate; else { newLast.next = capturedUpdate; newLast = capturedUpdate; } } else // There are no base updates. newFirst = newLast = capturedUpdate; queue = { baseState: currentQueue.baseState, firstBaseUpdate: newFirst, lastBaseUpdate: newLast, shared: currentQueue.shared, effects: currentQueue.effects }; workInProgress.updateQueue = queue; return; } } // Append the update to the end of the list. var lastBaseUpdate = queue.lastBaseUpdate; if (lastBaseUpdate === null) queue.firstBaseUpdate = capturedUpdate; else lastBaseUpdate.next = capturedUpdate; queue.lastBaseUpdate = capturedUpdate; } function getStateFromUpdate(workInProgress, queue, update, prevState, nextProps, instance) { switch(update.tag){ case ReplaceState: var payload = update.payload; if (typeof payload === "function") { enterDisallowedContextReadInDEV(); var nextState = payload.call(instance, prevState, nextProps); if (workInProgress.mode & StrictLegacyMode) { setIsStrictModeForDevtools(true); try { payload.call(instance, prevState, nextProps); } finally{ setIsStrictModeForDevtools(false); } } exitDisallowedContextReadInDEV(); return nextState; } // State object return payload; case CaptureUpdate: workInProgress.flags = workInProgress.flags & ~ShouldCapture | DidCapture; // Intentional fallthrough case UpdateState: var _payload = update.payload; var partialState; if (typeof _payload === "function") { enterDisallowedContextReadInDEV(); partialState = _payload.call(instance, prevState, nextProps); if (workInProgress.mode & StrictLegacyMode) { setIsStrictModeForDevtools(true); try { _payload.call(instance, prevState, nextProps); } finally{ setIsStrictModeForDevtools(false); } } exitDisallowedContextReadInDEV(); } else // Partial state object partialState = _payload; if (partialState === null || partialState === undefined) // Null and undefined are treated as no-ops. return prevState; // Merge the partial state and the previous state. return assign({}, prevState, partialState); case ForceUpdate: hasForceUpdate = true; return prevState; } return prevState; } function processUpdateQueue(workInProgress, props, instance, renderLanes) { // This is always non-null on a ClassComponent or HostRoot var queue = workInProgress.updateQueue; hasForceUpdate = false; currentlyProcessingQueue = queue.shared; var firstBaseUpdate = queue.firstBaseUpdate; var lastBaseUpdate = queue.lastBaseUpdate; // Check if there are pending updates. If so, transfer them to the base queue. var pendingQueue = queue.shared.pending; if (pendingQueue !== null) { queue.shared.pending = null; // The pending queue is circular. Disconnect the pointer between first // and last so that it's non-circular. var lastPendingUpdate = pendingQueue; var firstPendingUpdate = lastPendingUpdate.next; lastPendingUpdate.next = null; // Append pending updates to base queue if (lastBaseUpdate === null) firstBaseUpdate = firstPendingUpdate; else lastBaseUpdate.next = firstPendingUpdate; lastBaseUpdate = lastPendingUpdate; // If there's a current queue, and it's different from the base queue, then // we need to transfer the updates to that queue, too. Because the base // queue is a singly-linked list with no cycles, we can append to both // lists and take advantage of structural sharing. // TODO: Pass `current` as argument var current = workInProgress.alternate; if (current !== null) { // This is always non-null on a ClassComponent or HostRoot var currentQueue = current.updateQueue; var currentLastBaseUpdate = currentQueue.lastBaseUpdate; if (currentLastBaseUpdate !== lastBaseUpdate) { if (currentLastBaseUpdate === null) currentQueue.firstBaseUpdate = firstPendingUpdate; else currentLastBaseUpdate.next = firstPendingUpdate; currentQueue.lastBaseUpdate = lastPendingUpdate; } } } // These values may change as we process the queue. if (firstBaseUpdate !== null) { // Iterate through the list of updates to compute the result. var newState = queue.baseState; // TODO: Don't need to accumulate this. Instead, we can remove renderLanes // from the original lanes. var newLanes = NoLanes; var newBaseState = null; var newFirstBaseUpdate = null; var newLastBaseUpdate = null; var update = firstBaseUpdate; do { var updateLane = update.lane; var updateEventTime = update.eventTime; if (!isSubsetOfLanes(renderLanes, updateLane)) { // Priority is insufficient. Skip this update. If this is the first // skipped update, the previous update/state is the new base // update/state. var clone = { eventTime: updateEventTime, lane: updateLane, tag: update.tag, payload: update.payload, callback: update.callback, next: null }; if (newLastBaseUpdate === null) { newFirstBaseUpdate = newLastBaseUpdate = clone; newBaseState = newState; } else newLastBaseUpdate = newLastBaseUpdate.next = clone; // Update the remaining priority in the queue. newLanes = mergeLanes(newLanes, updateLane); } else { // This update does have sufficient priority. if (newLastBaseUpdate !== null) { var _clone = { eventTime: updateEventTime, // This update is going to be committed so we never want uncommit // it. Using NoLane works because 0 is a subset of all bitmasks, so // this will never be skipped by the check above. lane: NoLane, tag: update.tag, payload: update.payload, callback: update.callback, next: null }; newLastBaseUpdate = newLastBaseUpdate.next = _clone; } // Process this update. newState = getStateFromUpdate(workInProgress, queue, update, newState, props, instance); var callback = update.callback; if (callback !== null && // If the update was already committed, we should not queue its // callback again. update.lane !== NoLane) { workInProgress.flags |= Callback; var effects = queue.effects; if (effects === null) queue.effects = [ update ]; else effects.push(update); } } update = update.next; if (update === null) { pendingQueue = queue.shared.pending; if (pendingQueue === null) break; else { // An update was scheduled from inside a reducer. Add the new // pending updates to the end of the list and keep processing. var _lastPendingUpdate = pendingQueue; // Intentionally unsound. Pending updates form a circular list, but we // unravel them when transferring them to the base queue. var _firstPendingUpdate = _lastPendingUpdate.next; _lastPendingUpdate.next = null; update = _firstPendingUpdate; queue.lastBaseUpdate = _lastPendingUpdate; queue.shared.pending = null; } } }while (true); if (newLastBaseUpdate === null) newBaseState = newState; queue.baseState = newBaseState; queue.firstBaseUpdate = newFirstBaseUpdate; queue.lastBaseUpdate = newLastBaseUpdate; // Interleaved updates are stored on a separate queue. We aren't going to // process them during this render, but we do need to track which lanes // are remaining. var lastInterleaved = queue.shared.interleaved; if (lastInterleaved !== null) { var interleaved = lastInterleaved; do { newLanes = mergeLanes(newLanes, interleaved.lane); interleaved = interleaved.next; }while (interleaved !== lastInterleaved); } else if (firstBaseUpdate === null) // `queue.lanes` is used for entangling transitions. We can set it back to // zero once the queue is empty. queue.shared.lanes = NoLanes; // Set the remaining expiration time to be whatever is remaining in the queue. // This should be fine because the only two other things that contribute to // expiration time are props and context. We're already in the middle of the // begin phase by the time we start processing the queue, so we've already // dealt with the props. Context in components that specify // shouldComponentUpdate is tricky; but we'll have to account for // that regardless. markSkippedUpdateLanes(newLanes); workInProgress.lanes = newLanes; workInProgress.memoizedState = newState; } currentlyProcessingQueue = null; } function callCallback(callback, context) { if (typeof callback !== "function") throw new Error("Invalid argument passed as callback. Expected a function. Instead " + ("received: " + callback)); callback.call(context); } function resetHasForceUpdateBeforeProcessing() { hasForceUpdate = false; } function checkHasForceUpdateAfterProcessing() { return hasForceUpdate; } function commitUpdateQueue(finishedWork, finishedQueue, instance) { // Commit the effects var effects = finishedQueue.effects; finishedQueue.effects = null; if (effects !== null) for(var i = 0; i < effects.length; i++){ var effect = effects[i]; var callback = effect.callback; if (callback !== null) { effect.callback = null; callCallback(callback, instance); } } } var fakeInternalInstance = {}; // React.Component uses a shared frozen object by default. // We'll use it to determine whether we need to initialize legacy refs. var emptyRefsObject = new React.Component().refs; var didWarnAboutStateAssignmentForComponent; var didWarnAboutUninitializedState; var didWarnAboutGetSnapshotBeforeUpdateWithoutDidUpdate; var didWarnAboutLegacyLifecyclesAndDerivedState; var didWarnAboutUndefinedDerivedState; var warnOnUndefinedDerivedState; var warnOnInvalidCallback; var didWarnAboutDirectlyAssigningPropsToState; var didWarnAboutContextTypeAndContextTypes; var didWarnAboutInvalidateContextType; didWarnAboutStateAssignmentForComponent = new Set(); didWarnAboutUninitializedState = new Set(); didWarnAboutGetSnapshotBeforeUpdateWithoutDidUpdate = new Set(); didWarnAboutLegacyLifecyclesAndDerivedState = new Set(); didWarnAboutDirectlyAssigningPropsToState = new Set(); didWarnAboutUndefinedDerivedState = new Set(); didWarnAboutContextTypeAndContextTypes = new Set(); didWarnAboutInvalidateContextType = new Set(); var didWarnOnInvalidCallback = new Set(); warnOnInvalidCallback = function(callback, callerName) { if (callback === null || typeof callback === "function") return; var key = callerName + "_" + callback; if (!didWarnOnInvalidCallback.has(key)) { didWarnOnInvalidCallback.add(key); error("%s(...): Expected the last optional `callback` argument to be a function. Instead received: %s.", callerName, callback); } }; warnOnUndefinedDerivedState = function(type, partialState) { if (partialState === undefined) { var componentName = getComponentNameFromType(type) || "Component"; if (!didWarnAboutUndefinedDerivedState.has(componentName)) { didWarnAboutUndefinedDerivedState.add(componentName); error("%s.getDerivedStateFromProps(): A valid state object (or null) must be returned. You have returned undefined.", componentName); } } }; // This is so gross but it's at least non-critical and can be removed if // it causes problems. This is meant to give a nicer error message for // ReactDOM15.unstable_renderSubtreeIntoContainer(reactDOM16Component, // ...)) which otherwise throws a "_processChildContext is not a function" // exception. Object.defineProperty(fakeInternalInstance, "_processChildContext", { enumerable: false, value: function() { throw new Error("_processChildContext is not available in React 16+. This likely means you have multiple copies of React and are attempting to nest a React 15 tree inside a React 16 tree using unstable_renderSubtreeIntoContainer, which isn't supported. Try to make sure you have only one copy of React (and ideally, switch to ReactDOM.createPortal)."); } }); Object.freeze(fakeInternalInstance); function applyDerivedStateFromProps(workInProgress, ctor, getDerivedStateFromProps, nextProps) { var prevState = workInProgress.memoizedState; var partialState = getDerivedStateFromProps(nextProps, prevState); if (workInProgress.mode & StrictLegacyMode) { setIsStrictModeForDevtools(true); try { // Invoke the function an extra time to help detect side-effects. partialState = getDerivedStateFromProps(nextProps, prevState); } finally{ setIsStrictModeForDevtools(false); } } warnOnUndefinedDerivedState(ctor, partialState); var memoizedState = partialState === null || partialState === undefined ? prevState : assign({}, prevState, partialState); workInProgress.memoizedState = memoizedState; // Once the update queue is empty, persist the derived state onto the // base state. if (workInProgress.lanes === NoLanes) { // Queue is always non-null for classes var updateQueue = workInProgress.updateQueue; updateQueue.baseState = memoizedState; } } var classComponentUpdater = { isMounted: isMounted, enqueueSetState: function(inst, payload, callback) { var fiber = get(inst); var eventTime = requestEventTime(); var lane = requestUpdateLane(fiber); var update = createUpdate(eventTime, lane); update.payload = payload; if (callback !== undefined && callback !== null) { warnOnInvalidCallback(callback, "setState"); update.callback = callback; } var root = enqueueUpdate(fiber, update, lane); if (root !== null) { scheduleUpdateOnFiber(root, fiber, lane, eventTime); entangleTransitions(root, fiber, lane); } markStateUpdateScheduled(fiber, lane); }, enqueueReplaceState: function(inst, payload, callback) { var fiber = get(inst); var eventTime = requestEventTime(); var lane = requestUpdateLane(fiber); var update = createUpdate(eventTime, lane); update.tag = ReplaceState; update.payload = payload; if (callback !== undefined && callback !== null) { warnOnInvalidCallback(callback, "replaceState"); update.callback = callback; } var root = enqueueUpdate(fiber, update, lane); if (root !== null) { scheduleUpdateOnFiber(root, fiber, lane, eventTime); entangleTransitions(root, fiber, lane); } markStateUpdateScheduled(fiber, lane); }, enqueueForceUpdate: function(inst, callback) { var fiber = get(inst); var eventTime = requestEventTime(); var lane = requestUpdateLane(fiber); var update = createUpdate(eventTime, lane); update.tag = ForceUpdate; if (callback !== undefined && callback !== null) { warnOnInvalidCallback(callback, "forceUpdate"); update.callback = callback; } var root = enqueueUpdate(fiber, update, lane); if (root !== null) { scheduleUpdateOnFiber(root, fiber, lane, eventTime); entangleTransitions(root, fiber, lane); } markForceUpdateScheduled(fiber, lane); } }; function checkShouldComponentUpdate(workInProgress, ctor, oldProps, newProps, oldState, newState, nextContext) { var instance = workInProgress.stateNode; if (typeof instance.shouldComponentUpdate === "function") { var shouldUpdate = instance.shouldComponentUpdate(newProps, newState, nextContext); if (workInProgress.mode & StrictLegacyMode) { setIsStrictModeForDevtools(true); try { // Invoke the function an extra time to help detect side-effects. shouldUpdate = instance.shouldComponentUpdate(newProps, newState, nextContext); } finally{ setIsStrictModeForDevtools(false); } } if (shouldUpdate === undefined) error("%s.shouldComponentUpdate(): Returned undefined instead of a boolean value. Make sure to return true or false.", getComponentNameFromType(ctor) || "Component"); return shouldUpdate; } if (ctor.prototype && ctor.prototype.isPureReactComponent) return !shallowEqual(oldProps, newProps) || !shallowEqual(oldState, newState); return true; } function checkClassInstance(workInProgress, ctor, newProps) { var instance = workInProgress.stateNode; var name = getComponentNameFromType(ctor) || "Component"; var renderPresent = instance.render; if (!renderPresent) { if (ctor.prototype && typeof ctor.prototype.render === "function") error("%s(...): No `render` method found on the returned component instance: did you accidentally return an object from the constructor?", name); else error("%s(...): No `render` method found on the returned component instance: you may have forgotten to define `render`.", name); } if (instance.getInitialState && !instance.getInitialState.isReactClassApproved && !instance.state) error("getInitialState was defined on %s, a plain JavaScript class. This is only supported for classes created using React.createClass. Did you mean to define a state property instead?", name); if (instance.getDefaultProps && !instance.getDefaultProps.isReactClassApproved) error("getDefaultProps was defined on %s, a plain JavaScript class. This is only supported for classes created using React.createClass. Use a static property to define defaultProps instead.", name); if (instance.propTypes) error("propTypes was defined as an instance property on %s. Use a static property to define propTypes instead.", name); if (instance.contextType) error("contextType was defined as an instance property on %s. Use a static property to define contextType instead.", name); if (instance.contextTypes) error("contextTypes was defined as an instance property on %s. Use a static property to define contextTypes instead.", name); if (ctor.contextType && ctor.contextTypes && !didWarnAboutContextTypeAndContextTypes.has(ctor)) { didWarnAboutContextTypeAndContextTypes.add(ctor); error("%s declares both contextTypes and contextType static properties. The legacy contextTypes property will be ignored.", name); } if (typeof instance.componentShouldUpdate === "function") error("%s has a method called componentShouldUpdate(). Did you mean shouldComponentUpdate()? The name is phrased as a question because the function is expected to return a value.", name); if (ctor.prototype && ctor.prototype.isPureReactComponent && typeof instance.shouldComponentUpdate !== "undefined") error("%s has a method called shouldComponentUpdate(). shouldComponentUpdate should not be used when extending React.PureComponent. Please extend React.Component if shouldComponentUpdate is used.", getComponentNameFromType(ctor) || "A pure component"); if (typeof instance.componentDidUnmount === "function") error("%s has a method called componentDidUnmount(). But there is no such lifecycle method. Did you mean componentWillUnmount()?", name); if (typeof instance.componentDidReceiveProps === "function") error("%s has a method called componentDidReceiveProps(). But there is no such lifecycle method. If you meant to update the state in response to changing props, use componentWillReceiveProps(). If you meant to fetch data or run side-effects or mutations after React has updated the UI, use componentDidUpdate().", name); if (typeof instance.componentWillRecieveProps === "function") error("%s has a method called componentWillRecieveProps(). Did you mean componentWillReceiveProps()?", name); if (typeof instance.UNSAFE_componentWillRecieveProps === "function") error("%s has a method called UNSAFE_componentWillRecieveProps(). Did you mean UNSAFE_componentWillReceiveProps()?", name); var hasMutatedProps = instance.props !== newProps; if (instance.props !== undefined && hasMutatedProps) error("%s(...): When calling super() in `%s`, make sure to pass up the same props that your component's constructor was passed.", name, name); if (instance.defaultProps) error("Setting defaultProps as an instance property on %s is not supported and will be ignored. Instead, define defaultProps as a static property on %s.", name, name); if (typeof instance.getSnapshotBeforeUpdate === "function" && typeof instance.componentDidUpdate !== "function" && !didWarnAboutGetSnapshotBeforeUpdateWithoutDidUpdate.has(ctor)) { didWarnAboutGetSnapshotBeforeUpdateWithoutDidUpdate.add(ctor); error("%s: getSnapshotBeforeUpdate() should be used with componentDidUpdate(). This component defines getSnapshotBeforeUpdate() only.", getComponentNameFromType(ctor)); } if (typeof instance.getDerivedStateFromProps === "function") error("%s: getDerivedStateFromProps() is defined as an instance method and will be ignored. Instead, declare it as a static method.", name); if (typeof instance.getDerivedStateFromError === "function") error("%s: getDerivedStateFromError() is defined as an instance method and will be ignored. Instead, declare it as a static method.", name); if (typeof ctor.getSnapshotBeforeUpdate === "function") error("%s: getSnapshotBeforeUpdate() is defined as a static method and will be ignored. Instead, declare it as an instance method.", name); var _state = instance.state; if (_state && (typeof _state !== "object" || isArray(_state))) error("%s.state: must be set to an object or null", name); if (typeof instance.getChildContext === "function" && typeof ctor.childContextTypes !== "object") error("%s.getChildContext(): childContextTypes must be defined in order to use getChildContext().", name); } function adoptClassInstance(workInProgress, instance) { instance.updater = classComponentUpdater; workInProgress.stateNode = instance; // The instance needs access to the fiber so that it can schedule updates set(instance, workInProgress); instance._reactInternalInstance = fakeInternalInstance; } function constructClassInstance(workInProgress, ctor, props) { var isLegacyContextConsumer = false; var unmaskedContext = emptyContextObject; var context = emptyContextObject; var contextType = ctor.contextType; if ("contextType" in ctor) { var isValid = contextType === null || contextType !== undefined && contextType.$$typeof === REACT_CONTEXT_TYPE && contextType._context === undefined; // Not a if (!isValid && !didWarnAboutInvalidateContextType.has(ctor)) { didWarnAboutInvalidateContextType.add(ctor); var addendum = ""; if (contextType === undefined) addendum = " However, it is set to undefined. This can be caused by a typo or by mixing up named and default imports. This can also happen due to a circular dependency, so try moving the createContext() call to a separate file."; else if (typeof contextType !== "object") addendum = " However, it is set to a " + typeof contextType + "."; else if (contextType.$$typeof === REACT_PROVIDER_TYPE) addendum = " Did you accidentally pass the Context.Provider instead?"; else if (contextType._context !== undefined) // addendum = " Did you accidentally pass the Context.Consumer instead?"; else addendum = " However, it is set to an object with keys {" + Object.keys(contextType).join(", ") + "}."; error("%s defines an invalid contextType. contextType should point to the Context object returned by React.createContext().%s", getComponentNameFromType(ctor) || "Component", addendum); } } if (typeof contextType === "object" && contextType !== null) context = readContext(contextType); else { unmaskedContext = getUnmaskedContext(workInProgress, ctor, true); var contextTypes = ctor.contextTypes; isLegacyContextConsumer = contextTypes !== null && contextTypes !== undefined; context = isLegacyContextConsumer ? getMaskedContext(workInProgress, unmaskedContext) : emptyContextObject; } var instance = new ctor(props, context); // Instantiate twice to help detect side-effects. if (workInProgress.mode & StrictLegacyMode) { setIsStrictModeForDevtools(true); try { instance = new ctor(props, context); // eslint-disable-line no-new } finally{ setIsStrictModeForDevtools(false); } } var state = workInProgress.memoizedState = instance.state !== null && instance.state !== undefined ? instance.state : null; adoptClassInstance(workInProgress, instance); if (typeof ctor.getDerivedStateFromProps === "function" && state === null) { var componentName = getComponentNameFromType(ctor) || "Component"; if (!didWarnAboutUninitializedState.has(componentName)) { didWarnAboutUninitializedState.add(componentName); error("`%s` uses `getDerivedStateFromProps` but its initial state is %s. This is not recommended. Instead, define the initial state by assigning an object to `this.state` in the constructor of `%s`. This ensures that `getDerivedStateFromProps` arguments have a consistent shape.", componentName, instance.state === null ? "null" : "undefined", componentName); } } // If new component APIs are defined, "unsafe" lifecycles won't be called. // Warn about these lifecycles if they are present. // Don't warn about react-lifecycles-compat polyfilled methods though. if (typeof ctor.getDerivedStateFromProps === "function" || typeof instance.getSnapshotBeforeUpdate === "function") { var foundWillMountName = null; var foundWillReceivePropsName = null; var foundWillUpdateName = null; if (typeof instance.componentWillMount === "function" && instance.componentWillMount.__suppressDeprecationWarning !== true) foundWillMountName = "componentWillMount"; else if (typeof instance.UNSAFE_componentWillMount === "function") foundWillMountName = "UNSAFE_componentWillMount"; if (typeof instance.componentWillReceiveProps === "function" && instance.componentWillReceiveProps.__suppressDeprecationWarning !== true) foundWillReceivePropsName = "componentWillReceiveProps"; else if (typeof instance.UNSAFE_componentWillReceiveProps === "function") foundWillReceivePropsName = "UNSAFE_componentWillReceiveProps"; if (typeof instance.componentWillUpdate === "function" && instance.componentWillUpdate.__suppressDeprecationWarning !== true) foundWillUpdateName = "componentWillUpdate"; else if (typeof instance.UNSAFE_componentWillUpdate === "function") foundWillUpdateName = "UNSAFE_componentWillUpdate"; if (foundWillMountName !== null || foundWillReceivePropsName !== null || foundWillUpdateName !== null) { var _componentName = getComponentNameFromType(ctor) || "Component"; var newApiName = typeof ctor.getDerivedStateFromProps === "function" ? "getDerivedStateFromProps()" : "getSnapshotBeforeUpdate()"; if (!didWarnAboutLegacyLifecyclesAndDerivedState.has(_componentName)) { didWarnAboutLegacyLifecyclesAndDerivedState.add(_componentName); error("Unsafe legacy lifecycles will not be called for components using new component APIs.\n\n%s uses %s but also contains the following legacy lifecycles:%s%s%s\n\nThe above lifecycles should be removed. Learn more about this warning here:\nhttps://reactjs.org/link/unsafe-component-lifecycles", _componentName, newApiName, foundWillMountName !== null ? "\n " + foundWillMountName : "", foundWillReceivePropsName !== null ? "\n " + foundWillReceivePropsName : "", foundWillUpdateName !== null ? "\n " + foundWillUpdateName : ""); } } } // ReactFiberContext usually updates this cache but can't for newly-created instances. if (isLegacyContextConsumer) cacheContext(workInProgress, unmaskedContext, context); return instance; } function callComponentWillMount(workInProgress, instance) { var oldState = instance.state; if (typeof instance.componentWillMount === "function") instance.componentWillMount(); if (typeof instance.UNSAFE_componentWillMount === "function") instance.UNSAFE_componentWillMount(); if (oldState !== instance.state) { error("%s.componentWillMount(): Assigning directly to this.state is deprecated (except inside a component's constructor). Use setState instead.", getComponentNameFromFiber(workInProgress) || "Component"); classComponentUpdater.enqueueReplaceState(instance, instance.state, null); } } function callComponentWillReceiveProps(workInProgress, instance, newProps, nextContext) { var oldState = instance.state; if (typeof instance.componentWillReceiveProps === "function") instance.componentWillReceiveProps(newProps, nextContext); if (typeof instance.UNSAFE_componentWillReceiveProps === "function") instance.UNSAFE_componentWillReceiveProps(newProps, nextContext); if (instance.state !== oldState) { var componentName = getComponentNameFromFiber(workInProgress) || "Component"; if (!didWarnAboutStateAssignmentForComponent.has(componentName)) { didWarnAboutStateAssignmentForComponent.add(componentName); error("%s.componentWillReceiveProps(): Assigning directly to this.state is deprecated (except inside a component's constructor). Use setState instead.", componentName); } classComponentUpdater.enqueueReplaceState(instance, instance.state, null); } } // Invokes the mount life-cycles on a previously never rendered instance. function mountClassInstance(workInProgress, ctor, newProps, renderLanes) { checkClassInstance(workInProgress, ctor, newProps); var instance = workInProgress.stateNode; instance.props = newProps; instance.state = workInProgress.memoizedState; instance.refs = emptyRefsObject; initializeUpdateQueue(workInProgress); var contextType = ctor.contextType; if (typeof contextType === "object" && contextType !== null) instance.context = readContext(contextType); else { var unmaskedContext = getUnmaskedContext(workInProgress, ctor, true); instance.context = getMaskedContext(workInProgress, unmaskedContext); } if (instance.state === newProps) { var componentName = getComponentNameFromType(ctor) || "Component"; if (!didWarnAboutDirectlyAssigningPropsToState.has(componentName)) { didWarnAboutDirectlyAssigningPropsToState.add(componentName); error("%s: It is not recommended to assign props directly to state because updates to props won't be reflected in state. In most cases, it is better to use props directly.", componentName); } } if (workInProgress.mode & StrictLegacyMode) ReactStrictModeWarnings.recordLegacyContextWarning(workInProgress, instance); ReactStrictModeWarnings.recordUnsafeLifecycleWarnings(workInProgress, instance); instance.state = workInProgress.memoizedState; var getDerivedStateFromProps = ctor.getDerivedStateFromProps; if (typeof getDerivedStateFromProps === "function") { applyDerivedStateFromProps(workInProgress, ctor, getDerivedStateFromProps, newProps); instance.state = workInProgress.memoizedState; } // In order to support react-lifecycles-compat polyfilled components, // Unsafe lifecycles should not be invoked for components using the new APIs. if (typeof ctor.getDerivedStateFromProps !== "function" && typeof instance.getSnapshotBeforeUpdate !== "function" && (typeof instance.UNSAFE_componentWillMount === "function" || typeof instance.componentWillMount === "function")) { callComponentWillMount(workInProgress, instance); // If we had additional state updates during this life-cycle, let's // process them now. processUpdateQueue(workInProgress, newProps, instance, renderLanes); instance.state = workInProgress.memoizedState; } if (typeof instance.componentDidMount === "function") { var fiberFlags = Update; fiberFlags |= LayoutStatic; if ((workInProgress.mode & StrictEffectsMode) !== NoMode) fiberFlags |= MountLayoutDev; workInProgress.flags |= fiberFlags; } } function resumeMountClassInstance(workInProgress, ctor, newProps, renderLanes) { var instance = workInProgress.stateNode; var oldProps = workInProgress.memoizedProps; instance.props = oldProps; var oldContext = instance.context; var contextType = ctor.contextType; var nextContext = emptyContextObject; if (typeof contextType === "object" && contextType !== null) nextContext = readContext(contextType); else { var nextLegacyUnmaskedContext = getUnmaskedContext(workInProgress, ctor, true); nextContext = getMaskedContext(workInProgress, nextLegacyUnmaskedContext); } var getDerivedStateFromProps = ctor.getDerivedStateFromProps; var hasNewLifecycles = typeof getDerivedStateFromProps === "function" || typeof instance.getSnapshotBeforeUpdate === "function"; // Note: During these life-cycles, instance.props/instance.state are what // ever the previously attempted to render - not the "current". However, // during componentDidUpdate we pass the "current" props. // In order to support react-lifecycles-compat polyfilled components, // Unsafe lifecycles should not be invoked for components using the new APIs. if (!hasNewLifecycles && (typeof instance.UNSAFE_componentWillReceiveProps === "function" || typeof instance.componentWillReceiveProps === "function")) { if (oldProps !== newProps || oldContext !== nextContext) callComponentWillReceiveProps(workInProgress, instance, newProps, nextContext); } resetHasForceUpdateBeforeProcessing(); var oldState = workInProgress.memoizedState; var newState = instance.state = oldState; processUpdateQueue(workInProgress, newProps, instance, renderLanes); newState = workInProgress.memoizedState; if (oldProps === newProps && oldState === newState && !hasContextChanged() && !checkHasForceUpdateAfterProcessing()) { // If an update was already in progress, we should schedule an Update // effect even though we're bailing out, so that cWU/cDU are called. if (typeof instance.componentDidMount === "function") { var fiberFlags = Update; fiberFlags |= LayoutStatic; if ((workInProgress.mode & StrictEffectsMode) !== NoMode) fiberFlags |= MountLayoutDev; workInProgress.flags |= fiberFlags; } return false; } if (typeof getDerivedStateFromProps === "function") { applyDerivedStateFromProps(workInProgress, ctor, getDerivedStateFromProps, newProps); newState = workInProgress.memoizedState; } var shouldUpdate = checkHasForceUpdateAfterProcessing() || checkShouldComponentUpdate(workInProgress, ctor, oldProps, newProps, oldState, newState, nextContext); if (shouldUpdate) { // In order to support react-lifecycles-compat polyfilled components, // Unsafe lifecycles should not be invoked for components using the new APIs. if (!hasNewLifecycles && (typeof instance.UNSAFE_componentWillMount === "function" || typeof instance.componentWillMount === "function")) { if (typeof instance.componentWillMount === "function") instance.componentWillMount(); if (typeof instance.UNSAFE_componentWillMount === "function") instance.UNSAFE_componentWillMount(); } if (typeof instance.componentDidMount === "function") { var _fiberFlags = Update; _fiberFlags |= LayoutStatic; if ((workInProgress.mode & StrictEffectsMode) !== NoMode) _fiberFlags |= MountLayoutDev; workInProgress.flags |= _fiberFlags; } } else { // If an update was already in progress, we should schedule an Update // effect even though we're bailing out, so that cWU/cDU are called. if (typeof instance.componentDidMount === "function") { var _fiberFlags2 = Update; _fiberFlags2 |= LayoutStatic; if ((workInProgress.mode & StrictEffectsMode) !== NoMode) _fiberFlags2 |= MountLayoutDev; workInProgress.flags |= _fiberFlags2; } // If shouldComponentUpdate returned false, we should still update the // memoized state to indicate that this work can be reused. workInProgress.memoizedProps = newProps; workInProgress.memoizedState = newState; } // Update the existing instance's state, props, and context pointers even // if shouldComponentUpdate returns false. instance.props = newProps; instance.state = newState; instance.context = nextContext; return shouldUpdate; } // Invokes the update life-cycles and returns false if it shouldn't rerender. function updateClassInstance(current, workInProgress, ctor, newProps, renderLanes) { var instance = workInProgress.stateNode; cloneUpdateQueue(current, workInProgress); var unresolvedOldProps = workInProgress.memoizedProps; var oldProps = workInProgress.type === workInProgress.elementType ? unresolvedOldProps : resolveDefaultProps(workInProgress.type, unresolvedOldProps); instance.props = oldProps; var unresolvedNewProps = workInProgress.pendingProps; var oldContext = instance.context; var contextType = ctor.contextType; var nextContext = emptyContextObject; if (typeof contextType === "object" && contextType !== null) nextContext = readContext(contextType); else { var nextUnmaskedContext = getUnmaskedContext(workInProgress, ctor, true); nextContext = getMaskedContext(workInProgress, nextUnmaskedContext); } var getDerivedStateFromProps = ctor.getDerivedStateFromProps; var hasNewLifecycles = typeof getDerivedStateFromProps === "function" || typeof instance.getSnapshotBeforeUpdate === "function"; // Note: During these life-cycles, instance.props/instance.state are what // ever the previously attempted to render - not the "current". However, // during componentDidUpdate we pass the "current" props. // In order to support react-lifecycles-compat polyfilled components, // Unsafe lifecycles should not be invoked for components using the new APIs. if (!hasNewLifecycles && (typeof instance.UNSAFE_componentWillReceiveProps === "function" || typeof instance.componentWillReceiveProps === "function")) { if (unresolvedOldProps !== unresolvedNewProps || oldContext !== nextContext) callComponentWillReceiveProps(workInProgress, instance, newProps, nextContext); } resetHasForceUpdateBeforeProcessing(); var oldState = workInProgress.memoizedState; var newState = instance.state = oldState; processUpdateQueue(workInProgress, newProps, instance, renderLanes); newState = workInProgress.memoizedState; if (unresolvedOldProps === unresolvedNewProps && oldState === newState && !hasContextChanged() && !checkHasForceUpdateAfterProcessing() && !enableLazyContextPropagation) { // If an update was already in progress, we should schedule an Update // effect even though we're bailing out, so that cWU/cDU are called. if (typeof instance.componentDidUpdate === "function") { if (unresolvedOldProps !== current.memoizedProps || oldState !== current.memoizedState) workInProgress.flags |= Update; } if (typeof instance.getSnapshotBeforeUpdate === "function") { if (unresolvedOldProps !== current.memoizedProps || oldState !== current.memoizedState) workInProgress.flags |= Snapshot; } return false; } if (typeof getDerivedStateFromProps === "function") { applyDerivedStateFromProps(workInProgress, ctor, getDerivedStateFromProps, newProps); newState = workInProgress.memoizedState; } var shouldUpdate = checkHasForceUpdateAfterProcessing() || checkShouldComponentUpdate(workInProgress, ctor, oldProps, newProps, oldState, newState, nextContext) || // TODO: In some cases, we'll end up checking if context has changed twice, // both before and after `shouldComponentUpdate` has been called. Not ideal, // but I'm loath to refactor this function. This only happens for memoized // components so it's not that common. enableLazyContextPropagation; if (shouldUpdate) { // In order to support react-lifecycles-compat polyfilled components, // Unsafe lifecycles should not be invoked for components using the new APIs. if (!hasNewLifecycles && (typeof instance.UNSAFE_componentWillUpdate === "function" || typeof instance.componentWillUpdate === "function")) { if (typeof instance.componentWillUpdate === "function") instance.componentWillUpdate(newProps, newState, nextContext); if (typeof instance.UNSAFE_componentWillUpdate === "function") instance.UNSAFE_componentWillUpdate(newProps, newState, nextContext); } if (typeof instance.componentDidUpdate === "function") workInProgress.flags |= Update; if (typeof instance.getSnapshotBeforeUpdate === "function") workInProgress.flags |= Snapshot; } else { // If an update was already in progress, we should schedule an Update // effect even though we're bailing out, so that cWU/cDU are called. if (typeof instance.componentDidUpdate === "function") { if (unresolvedOldProps !== current.memoizedProps || oldState !== current.memoizedState) workInProgress.flags |= Update; } if (typeof instance.getSnapshotBeforeUpdate === "function") { if (unresolvedOldProps !== current.memoizedProps || oldState !== current.memoizedState) workInProgress.flags |= Snapshot; } // If shouldComponentUpdate returned false, we should still update the // memoized props/state to indicate that this work can be reused. workInProgress.memoizedProps = newProps; workInProgress.memoizedState = newState; } // Update the existing instance's state, props, and context pointers even // if shouldComponentUpdate returns false. instance.props = newProps; instance.state = newState; instance.context = nextContext; return shouldUpdate; } var didWarnAboutMaps; var didWarnAboutGenerators; var didWarnAboutStringRefs; var ownerHasKeyUseWarning; var ownerHasFunctionTypeWarning; var warnForMissingKey = function(child, returnFiber) {}; didWarnAboutMaps = false; didWarnAboutGenerators = false; didWarnAboutStringRefs = {}; /** * Warn if there's no key explicitly set on dynamic arrays of children or * object keys are not valid. This allows us to keep track of children between * updates. */ ownerHasKeyUseWarning = {}; ownerHasFunctionTypeWarning = {}; warnForMissingKey = function(child, returnFiber) { if (child === null || typeof child !== "object") return; if (!child._store || child._store.validated || child.key != null) return; if (typeof child._store !== "object") throw new Error("React Component in warnForMissingKey should have a _store. This error is likely caused by a bug in React. Please file an issue."); child._store.validated = true; var componentName = getComponentNameFromFiber(returnFiber) || "Component"; if (ownerHasKeyUseWarning[componentName]) return; ownerHasKeyUseWarning[componentName] = true; error('Each child in a list should have a unique "key" prop. See https://reactjs.org/link/warning-keys for more information.'); }; function coerceRef(returnFiber, current, element) { var mixedRef = element.ref; if (mixedRef !== null && typeof mixedRef !== "function" && typeof mixedRef !== "object") { // TODO: Clean this up once we turn on the string ref warning for // everyone, because the strict mode case will no longer be relevant if ((returnFiber.mode & StrictLegacyMode || warnAboutStringRefs) && // We warn in ReactElement.js if owner and self are equal for string refs // because these cannot be automatically converted to an arrow function // using a codemod. Therefore, we don't have to warn about string refs again. !(element._owner && element._self && element._owner.stateNode !== element._self)) { var componentName = getComponentNameFromFiber(returnFiber) || "Component"; if (!didWarnAboutStringRefs[componentName]) { error('A string ref, "%s", has been found within a strict mode tree. String refs are a source of potential bugs and should be avoided. We recommend using useRef() or createRef() instead. Learn more about using refs safely here: https://reactjs.org/link/strict-mode-string-ref', mixedRef); didWarnAboutStringRefs[componentName] = true; } } if (element._owner) { var owner = element._owner; var inst; if (owner) { var ownerFiber = owner; if (ownerFiber.tag !== ClassComponent) throw new Error("Function components cannot have string refs. We recommend using useRef() instead. Learn more about using refs safely here: https://reactjs.org/link/strict-mode-string-ref"); inst = ownerFiber.stateNode; } if (!inst) throw new Error("Missing owner for string ref " + mixedRef + ". This error is likely caused by a " + "bug in React. Please file an issue."); // Assigning this to a const so Flow knows it won't change in the closure var resolvedInst = inst; checkPropStringCoercion(mixedRef, "ref"); var stringRef = "" + mixedRef; // Check if previous string ref matches new string ref if (current !== null && current.ref !== null && typeof current.ref === "function" && current.ref._stringRef === stringRef) return current.ref; var ref = function(value) { var refs = resolvedInst.refs; if (refs === emptyRefsObject) // This is a lazy pooled frozen object, so we need to initialize. refs = resolvedInst.refs = {}; if (value === null) delete refs[stringRef]; else refs[stringRef] = value; }; ref._stringRef = stringRef; return ref; } else { if (typeof mixedRef !== "string") throw new Error("Expected ref to be a function, a string, an object returned by React.createRef(), or null."); if (!element._owner) throw new Error("Element ref was specified as a string (" + mixedRef + ") but no owner was set. This could happen for one of" + " the following reasons:\n" + "1. You may be adding a ref to a function component\n" + "2. You may be adding a ref to a component that was not created inside a component's render method\n" + "3. You have multiple copies of React loaded\n" + "See https://reactjs.org/link/refs-must-have-owner for more information."); } } return mixedRef; } function throwOnInvalidObjectType(returnFiber, newChild) { var childString = Object.prototype.toString.call(newChild); throw new Error("Objects are not valid as a React child (found: " + (childString === "[object Object]" ? "object with keys {" + Object.keys(newChild).join(", ") + "}" : childString) + "). " + "If you meant to render a collection of children, use an array " + "instead."); } function warnOnFunctionType(returnFiber) { var componentName = getComponentNameFromFiber(returnFiber) || "Component"; if (ownerHasFunctionTypeWarning[componentName]) return; ownerHasFunctionTypeWarning[componentName] = true; error("Functions are not valid as a React child. This may happen if you return a Component instead of from render. Or maybe you meant to call this function rather than return it."); } function resolveLazy(lazyType) { var payload = lazyType._payload; var init = lazyType._init; return init(payload); } // This wrapper function exists because I expect to clone the code in each path // to be able to optimize each path individually by branching early. This needs // a compiler or we can do it manually. Helpers that don't need this branching // live outside of this function. function ChildReconciler(shouldTrackSideEffects) { function deleteChild(returnFiber, childToDelete) { if (!shouldTrackSideEffects) // Noop. return; var deletions = returnFiber.deletions; if (deletions === null) { returnFiber.deletions = [ childToDelete ]; returnFiber.flags |= ChildDeletion; } else deletions.push(childToDelete); } function deleteRemainingChildren(returnFiber, currentFirstChild) { if (!shouldTrackSideEffects) // Noop. return null; // TODO: For the shouldClone case, this could be micro-optimized a bit by // assuming that after the first child we've already added everything. var childToDelete = currentFirstChild; while(childToDelete !== null){ deleteChild(returnFiber, childToDelete); childToDelete = childToDelete.sibling; } return null; } function mapRemainingChildren(returnFiber, currentFirstChild) { // Add the remaining children to a temporary map so that we can find them by // keys quickly. Implicit (null) keys get added to this set with their index // instead. var existingChildren = new Map(); var existingChild = currentFirstChild; while(existingChild !== null){ if (existingChild.key !== null) existingChildren.set(existingChild.key, existingChild); else existingChildren.set(existingChild.index, existingChild); existingChild = existingChild.sibling; } return existingChildren; } function useFiber(fiber, pendingProps) { // We currently set sibling to null and index to 0 here because it is easy // to forget to do before returning it. E.g. for the single child case. var clone = createWorkInProgress(fiber, pendingProps); clone.index = 0; clone.sibling = null; return clone; } function placeChild(newFiber, lastPlacedIndex, newIndex) { newFiber.index = newIndex; if (!shouldTrackSideEffects) { // During hydration, the useId algorithm needs to know which fibers are // part of a list of children (arrays, iterators). newFiber.flags |= Forked; return lastPlacedIndex; } var current = newFiber.alternate; if (current !== null) { var oldIndex = current.index; if (oldIndex < lastPlacedIndex) { // This is a move. newFiber.flags |= Placement; return lastPlacedIndex; } else // This item can stay in place. return oldIndex; } else { // This is an insertion. newFiber.flags |= Placement; return lastPlacedIndex; } } function placeSingleChild(newFiber) { // This is simpler for the single child case. We only need to do a // placement for inserting new children. if (shouldTrackSideEffects && newFiber.alternate === null) newFiber.flags |= Placement; return newFiber; } function updateTextNode(returnFiber, current, textContent, lanes) { if (current === null || current.tag !== HostText) { // Insert var created = createFiberFromText(textContent, returnFiber.mode, lanes); created.return = returnFiber; return created; } else { // Update var existing = useFiber(current, textContent); existing.return = returnFiber; return existing; } } function updateElement(returnFiber, current, element, lanes) { var elementType = element.type; if (elementType === REACT_FRAGMENT_TYPE) return updateFragment(returnFiber, current, element.props.children, lanes, element.key); if (current !== null) { if (current.elementType === elementType || isCompatibleFamilyForHotReloading(current, element) || // Lazy types should reconcile their resolved type. // We need to do this after the Hot Reloading check above, // because hot reloading has different semantics than prod because // it doesn't resuspend. So we can't let the call below suspend. typeof elementType === "object" && elementType !== null && elementType.$$typeof === REACT_LAZY_TYPE && resolveLazy(elementType) === current.type) { // Move based on index var existing = useFiber(current, element.props); existing.ref = coerceRef(returnFiber, current, element); existing.return = returnFiber; existing._debugSource = element._source; existing._debugOwner = element._owner; return existing; } } // Insert var created = createFiberFromElement(element, returnFiber.mode, lanes); created.ref = coerceRef(returnFiber, current, element); created.return = returnFiber; return created; } function updatePortal(returnFiber, current, portal, lanes) { if (current === null || current.tag !== HostPortal || current.stateNode.containerInfo !== portal.containerInfo || current.stateNode.implementation !== portal.implementation) { // Insert var created = createFiberFromPortal(portal, returnFiber.mode, lanes); created.return = returnFiber; return created; } else { // Update var existing = useFiber(current, portal.children || []); existing.return = returnFiber; return existing; } } function updateFragment(returnFiber, current, fragment, lanes, key) { if (current === null || current.tag !== Fragment) { // Insert var created = createFiberFromFragment(fragment, returnFiber.mode, lanes, key); created.return = returnFiber; return created; } else { // Update var existing = useFiber(current, fragment); existing.return = returnFiber; return existing; } } function createChild(returnFiber, newChild, lanes) { if (typeof newChild === "string" && newChild !== "" || typeof newChild === "number") { // Text nodes don't have keys. If the previous node is implicitly keyed // we can continue to replace it without aborting even if it is not a text // node. var created = createFiberFromText("" + newChild, returnFiber.mode, lanes); created.return = returnFiber; return created; } if (typeof newChild === "object" && newChild !== null) { switch(newChild.$$typeof){ case REACT_ELEMENT_TYPE: var _created = createFiberFromElement(newChild, returnFiber.mode, lanes); _created.ref = coerceRef(returnFiber, null, newChild); _created.return = returnFiber; return _created; case REACT_PORTAL_TYPE: var _created2 = createFiberFromPortal(newChild, returnFiber.mode, lanes); _created2.return = returnFiber; return _created2; case REACT_LAZY_TYPE: var payload = newChild._payload; var init = newChild._init; return createChild(returnFiber, init(payload), lanes); } if (isArray(newChild) || getIteratorFn(newChild)) { var _created3 = createFiberFromFragment(newChild, returnFiber.mode, lanes, null); _created3.return = returnFiber; return _created3; } throwOnInvalidObjectType(returnFiber, newChild); } if (typeof newChild === "function") warnOnFunctionType(returnFiber); return null; } function updateSlot(returnFiber, oldFiber, newChild, lanes) { // Update the fiber if the keys match, otherwise return null. var key = oldFiber !== null ? oldFiber.key : null; if (typeof newChild === "string" && newChild !== "" || typeof newChild === "number") { // Text nodes don't have keys. If the previous node is implicitly keyed // we can continue to replace it without aborting even if it is not a text // node. if (key !== null) return null; return updateTextNode(returnFiber, oldFiber, "" + newChild, lanes); } if (typeof newChild === "object" && newChild !== null) { switch(newChild.$$typeof){ case REACT_ELEMENT_TYPE: if (newChild.key === key) return updateElement(returnFiber, oldFiber, newChild, lanes); else return null; case REACT_PORTAL_TYPE: if (newChild.key === key) return updatePortal(returnFiber, oldFiber, newChild, lanes); else return null; case REACT_LAZY_TYPE: var payload = newChild._payload; var init = newChild._init; return updateSlot(returnFiber, oldFiber, init(payload), lanes); } if (isArray(newChild) || getIteratorFn(newChild)) { if (key !== null) return null; return updateFragment(returnFiber, oldFiber, newChild, lanes, null); } throwOnInvalidObjectType(returnFiber, newChild); } if (typeof newChild === "function") warnOnFunctionType(returnFiber); return null; } function updateFromMap(existingChildren, returnFiber, newIdx, newChild, lanes) { if (typeof newChild === "string" && newChild !== "" || typeof newChild === "number") { // Text nodes don't have keys, so we neither have to check the old nor // new node for the key. If both are text nodes, they match. var matchedFiber = existingChildren.get(newIdx) || null; return updateTextNode(returnFiber, matchedFiber, "" + newChild, lanes); } if (typeof newChild === "object" && newChild !== null) { switch(newChild.$$typeof){ case REACT_ELEMENT_TYPE: var _matchedFiber = existingChildren.get(newChild.key === null ? newIdx : newChild.key) || null; return updateElement(returnFiber, _matchedFiber, newChild, lanes); case REACT_PORTAL_TYPE: var _matchedFiber2 = existingChildren.get(newChild.key === null ? newIdx : newChild.key) || null; return updatePortal(returnFiber, _matchedFiber2, newChild, lanes); case REACT_LAZY_TYPE: var payload = newChild._payload; var init = newChild._init; return updateFromMap(existingChildren, returnFiber, newIdx, init(payload), lanes); } if (isArray(newChild) || getIteratorFn(newChild)) { var _matchedFiber3 = existingChildren.get(newIdx) || null; return updateFragment(returnFiber, _matchedFiber3, newChild, lanes, null); } throwOnInvalidObjectType(returnFiber, newChild); } if (typeof newChild === "function") warnOnFunctionType(returnFiber); return null; } /** * Warns if there is a duplicate or missing key */ function warnOnInvalidKey(child, knownKeys, returnFiber) { if (typeof child !== "object" || child === null) return knownKeys; switch(child.$$typeof){ case REACT_ELEMENT_TYPE: case REACT_PORTAL_TYPE: warnForMissingKey(child, returnFiber); var key = child.key; if (typeof key !== "string") break; if (knownKeys === null) { knownKeys = new Set(); knownKeys.add(key); break; } if (!knownKeys.has(key)) { knownKeys.add(key); break; } error("Encountered two children with the same key, `%s`. Keys should be unique so that components maintain their identity across updates. Non-unique keys may cause children to be duplicated and/or omitted — the behavior is unsupported and could change in a future version.", key); break; case REACT_LAZY_TYPE: var payload = child._payload; var init = child._init; warnOnInvalidKey(init(payload), knownKeys, returnFiber); break; } return knownKeys; } function reconcileChildrenArray(returnFiber, currentFirstChild, newChildren, lanes) { // First, validate keys. var knownKeys = null; for(var i = 0; i < newChildren.length; i++){ var child = newChildren[i]; knownKeys = warnOnInvalidKey(child, knownKeys, returnFiber); } var resultingFirstChild = null; var previousNewFiber = null; var oldFiber = currentFirstChild; var lastPlacedIndex = 0; var newIdx = 0; var nextOldFiber = null; for(; oldFiber !== null && newIdx < newChildren.length; newIdx++){ if (oldFiber.index > newIdx) { nextOldFiber = oldFiber; oldFiber = null; } else nextOldFiber = oldFiber.sibling; var newFiber = updateSlot(returnFiber, oldFiber, newChildren[newIdx], lanes); if (newFiber === null) { // TODO: This breaks on empty slots like null children. That's // unfortunate because it triggers the slow path all the time. We need // a better way to communicate whether this was a miss or null, // boolean, undefined, etc. if (oldFiber === null) oldFiber = nextOldFiber; break; } if (shouldTrackSideEffects) { if (oldFiber && newFiber.alternate === null) // We matched the slot, but we didn't reuse the existing fiber, so we // need to delete the existing child. deleteChild(returnFiber, oldFiber); } lastPlacedIndex = placeChild(newFiber, lastPlacedIndex, newIdx); if (previousNewFiber === null) // TODO: Move out of the loop. This only happens for the first run. resultingFirstChild = newFiber; else // TODO: Defer siblings if we're not at the right index for this slot. // I.e. if we had null values before, then we want to defer this // for each null value. However, we also don't want to call updateSlot // with the previous one. previousNewFiber.sibling = newFiber; previousNewFiber = newFiber; oldFiber = nextOldFiber; } if (newIdx === newChildren.length) { // We've reached the end of the new children. We can delete the rest. deleteRemainingChildren(returnFiber, oldFiber); if (getIsHydrating()) { var numberOfForks = newIdx; pushTreeFork(returnFiber, numberOfForks); } return resultingFirstChild; } if (oldFiber === null) { // If we don't have any more existing children we can choose a fast path // since the rest will all be insertions. for(; newIdx < newChildren.length; newIdx++){ var _newFiber = createChild(returnFiber, newChildren[newIdx], lanes); if (_newFiber === null) continue; lastPlacedIndex = placeChild(_newFiber, lastPlacedIndex, newIdx); if (previousNewFiber === null) // TODO: Move out of the loop. This only happens for the first run. resultingFirstChild = _newFiber; else previousNewFiber.sibling = _newFiber; previousNewFiber = _newFiber; } if (getIsHydrating()) { var _numberOfForks = newIdx; pushTreeFork(returnFiber, _numberOfForks); } return resultingFirstChild; } // Add all children to a key map for quick lookups. var existingChildren = mapRemainingChildren(returnFiber, oldFiber); // Keep scanning and use the map to restore deleted items as moves. for(; newIdx < newChildren.length; newIdx++){ var _newFiber2 = updateFromMap(existingChildren, returnFiber, newIdx, newChildren[newIdx], lanes); if (_newFiber2 !== null) { if (shouldTrackSideEffects) { if (_newFiber2.alternate !== null) // The new fiber is a work in progress, but if there exists a // current, that means that we reused the fiber. We need to delete // it from the child list so that we don't add it to the deletion // list. existingChildren.delete(_newFiber2.key === null ? newIdx : _newFiber2.key); } lastPlacedIndex = placeChild(_newFiber2, lastPlacedIndex, newIdx); if (previousNewFiber === null) resultingFirstChild = _newFiber2; else previousNewFiber.sibling = _newFiber2; previousNewFiber = _newFiber2; } } if (shouldTrackSideEffects) // Any existing children that weren't consumed above were deleted. We need // to add them to the deletion list. existingChildren.forEach(function(child) { return deleteChild(returnFiber, child); }); if (getIsHydrating()) { var _numberOfForks2 = newIdx; pushTreeFork(returnFiber, _numberOfForks2); } return resultingFirstChild; } function reconcileChildrenIterator(returnFiber, currentFirstChild, newChildrenIterable, lanes) { // This is the same implementation as reconcileChildrenArray(), // but using the iterator instead. var iteratorFn = getIteratorFn(newChildrenIterable); if (typeof iteratorFn !== "function") throw new Error("An object is not an iterable. This error is likely caused by a bug in React. Please file an issue."); // We don't support rendering Generators because it's a mutation. // See https://github.com/facebook/react/issues/12995 if (typeof Symbol === "function" && // $FlowFixMe Flow doesn't know about toStringTag newChildrenIterable[Symbol.toStringTag] === "Generator") { if (!didWarnAboutGenerators) error("Using Generators as children is unsupported and will likely yield unexpected results because enumerating a generator mutates it. You may convert it to an array with `Array.from()` or the `[...spread]` operator before rendering. Keep in mind you might need to polyfill these features for older browsers."); didWarnAboutGenerators = true; } // Warn about using Maps as children if (newChildrenIterable.entries === iteratorFn) { if (!didWarnAboutMaps) error("Using Maps as children is not supported. Use an array of keyed ReactElements instead."); didWarnAboutMaps = true; } // First, validate keys. // We'll get a different iterator later for the main pass. var _newChildren = iteratorFn.call(newChildrenIterable); if (_newChildren) { var knownKeys = null; var _step = _newChildren.next(); for(; !_step.done; _step = _newChildren.next()){ var child = _step.value; knownKeys = warnOnInvalidKey(child, knownKeys, returnFiber); } } var newChildren = iteratorFn.call(newChildrenIterable); if (newChildren == null) throw new Error("An iterable object provided no iterator."); var resultingFirstChild = null; var previousNewFiber = null; var oldFiber = currentFirstChild; var lastPlacedIndex = 0; var newIdx = 0; var nextOldFiber = null; var step = newChildren.next(); for(; oldFiber !== null && !step.done; newIdx++, step = newChildren.next()){ if (oldFiber.index > newIdx) { nextOldFiber = oldFiber; oldFiber = null; } else nextOldFiber = oldFiber.sibling; var newFiber = updateSlot(returnFiber, oldFiber, step.value, lanes); if (newFiber === null) { // TODO: This breaks on empty slots like null children. That's // unfortunate because it triggers the slow path all the time. We need // a better way to communicate whether this was a miss or null, // boolean, undefined, etc. if (oldFiber === null) oldFiber = nextOldFiber; break; } if (shouldTrackSideEffects) { if (oldFiber && newFiber.alternate === null) // We matched the slot, but we didn't reuse the existing fiber, so we // need to delete the existing child. deleteChild(returnFiber, oldFiber); } lastPlacedIndex = placeChild(newFiber, lastPlacedIndex, newIdx); if (previousNewFiber === null) // TODO: Move out of the loop. This only happens for the first run. resultingFirstChild = newFiber; else // TODO: Defer siblings if we're not at the right index for this slot. // I.e. if we had null values before, then we want to defer this // for each null value. However, we also don't want to call updateSlot // with the previous one. previousNewFiber.sibling = newFiber; previousNewFiber = newFiber; oldFiber = nextOldFiber; } if (step.done) { // We've reached the end of the new children. We can delete the rest. deleteRemainingChildren(returnFiber, oldFiber); if (getIsHydrating()) { var numberOfForks = newIdx; pushTreeFork(returnFiber, numberOfForks); } return resultingFirstChild; } if (oldFiber === null) { // If we don't have any more existing children we can choose a fast path // since the rest will all be insertions. for(; !step.done; newIdx++, step = newChildren.next()){ var _newFiber3 = createChild(returnFiber, step.value, lanes); if (_newFiber3 === null) continue; lastPlacedIndex = placeChild(_newFiber3, lastPlacedIndex, newIdx); if (previousNewFiber === null) // TODO: Move out of the loop. This only happens for the first run. resultingFirstChild = _newFiber3; else previousNewFiber.sibling = _newFiber3; previousNewFiber = _newFiber3; } if (getIsHydrating()) { var _numberOfForks3 = newIdx; pushTreeFork(returnFiber, _numberOfForks3); } return resultingFirstChild; } // Add all children to a key map for quick lookups. var existingChildren = mapRemainingChildren(returnFiber, oldFiber); // Keep scanning and use the map to restore deleted items as moves. for(; !step.done; newIdx++, step = newChildren.next()){ var _newFiber4 = updateFromMap(existingChildren, returnFiber, newIdx, step.value, lanes); if (_newFiber4 !== null) { if (shouldTrackSideEffects) { if (_newFiber4.alternate !== null) // The new fiber is a work in progress, but if there exists a // current, that means that we reused the fiber. We need to delete // it from the child list so that we don't add it to the deletion // list. existingChildren.delete(_newFiber4.key === null ? newIdx : _newFiber4.key); } lastPlacedIndex = placeChild(_newFiber4, lastPlacedIndex, newIdx); if (previousNewFiber === null) resultingFirstChild = _newFiber4; else previousNewFiber.sibling = _newFiber4; previousNewFiber = _newFiber4; } } if (shouldTrackSideEffects) // Any existing children that weren't consumed above were deleted. We need // to add them to the deletion list. existingChildren.forEach(function(child) { return deleteChild(returnFiber, child); }); if (getIsHydrating()) { var _numberOfForks4 = newIdx; pushTreeFork(returnFiber, _numberOfForks4); } return resultingFirstChild; } function reconcileSingleTextNode(returnFiber, currentFirstChild, textContent, lanes) { // There's no need to check for keys on text nodes since we don't have a // way to define them. if (currentFirstChild !== null && currentFirstChild.tag === HostText) { // We already have an existing node so let's just update it and delete // the rest. deleteRemainingChildren(returnFiber, currentFirstChild.sibling); var existing = useFiber(currentFirstChild, textContent); existing.return = returnFiber; return existing; } // The existing first child is not a text node so we need to create one // and delete the existing ones. deleteRemainingChildren(returnFiber, currentFirstChild); var created = createFiberFromText(textContent, returnFiber.mode, lanes); created.return = returnFiber; return created; } function reconcileSingleElement(returnFiber, currentFirstChild, element, lanes) { var key = element.key; var child = currentFirstChild; while(child !== null){ // TODO: If key === null and child.key === null, then this only applies to // the first item in the list. if (child.key === key) { var elementType = element.type; if (elementType === REACT_FRAGMENT_TYPE) { if (child.tag === Fragment) { deleteRemainingChildren(returnFiber, child.sibling); var existing = useFiber(child, element.props.children); existing.return = returnFiber; existing._debugSource = element._source; existing._debugOwner = element._owner; return existing; } } else if (child.elementType === elementType || isCompatibleFamilyForHotReloading(child, element) || // Lazy types should reconcile their resolved type. // We need to do this after the Hot Reloading check above, // because hot reloading has different semantics than prod because // it doesn't resuspend. So we can't let the call below suspend. typeof elementType === "object" && elementType !== null && elementType.$$typeof === REACT_LAZY_TYPE && resolveLazy(elementType) === child.type) { deleteRemainingChildren(returnFiber, child.sibling); var _existing = useFiber(child, element.props); _existing.ref = coerceRef(returnFiber, child, element); _existing.return = returnFiber; _existing._debugSource = element._source; _existing._debugOwner = element._owner; return _existing; } // Didn't match. deleteRemainingChildren(returnFiber, child); break; } else deleteChild(returnFiber, child); child = child.sibling; } if (element.type === REACT_FRAGMENT_TYPE) { var created = createFiberFromFragment(element.props.children, returnFiber.mode, lanes, element.key); created.return = returnFiber; return created; } else { var _created4 = createFiberFromElement(element, returnFiber.mode, lanes); _created4.ref = coerceRef(returnFiber, currentFirstChild, element); _created4.return = returnFiber; return _created4; } } function reconcileSinglePortal(returnFiber, currentFirstChild, portal, lanes) { var key = portal.key; var child = currentFirstChild; while(child !== null){ // TODO: If key === null and child.key === null, then this only applies to // the first item in the list. if (child.key === key) { if (child.tag === HostPortal && child.stateNode.containerInfo === portal.containerInfo && child.stateNode.implementation === portal.implementation) { deleteRemainingChildren(returnFiber, child.sibling); var existing = useFiber(child, portal.children || []); existing.return = returnFiber; return existing; } else { deleteRemainingChildren(returnFiber, child); break; } } else deleteChild(returnFiber, child); child = child.sibling; } var created = createFiberFromPortal(portal, returnFiber.mode, lanes); created.return = returnFiber; return created; } // This API will tag the children with the side-effect of the reconciliation // itself. They will be added to the side-effect list as we pass through the // children and the parent. function reconcileChildFibers(returnFiber, currentFirstChild, newChild, lanes) { // This function is not recursive. // If the top level item is an array, we treat it as a set of children, // not as a fragment. Nested arrays on the other hand will be treated as // fragment nodes. Recursion happens at the normal flow. // Handle top level unkeyed fragments as if they were arrays. // This leads to an ambiguity between <>{[...]} and <>.... // We treat the ambiguous cases above the same. var isUnkeyedTopLevelFragment = typeof newChild === "object" && newChild !== null && newChild.type === REACT_FRAGMENT_TYPE && newChild.key === null; if (isUnkeyedTopLevelFragment) newChild = newChild.props.children; // Handle object types if (typeof newChild === "object" && newChild !== null) { switch(newChild.$$typeof){ case REACT_ELEMENT_TYPE: return placeSingleChild(reconcileSingleElement(returnFiber, currentFirstChild, newChild, lanes)); case REACT_PORTAL_TYPE: return placeSingleChild(reconcileSinglePortal(returnFiber, currentFirstChild, newChild, lanes)); case REACT_LAZY_TYPE: var payload = newChild._payload; var init = newChild._init; // TODO: This function is supposed to be non-recursive. return reconcileChildFibers(returnFiber, currentFirstChild, init(payload), lanes); } if (isArray(newChild)) return reconcileChildrenArray(returnFiber, currentFirstChild, newChild, lanes); if (getIteratorFn(newChild)) return reconcileChildrenIterator(returnFiber, currentFirstChild, newChild, lanes); throwOnInvalidObjectType(returnFiber, newChild); } if (typeof newChild === "string" && newChild !== "" || typeof newChild === "number") return placeSingleChild(reconcileSingleTextNode(returnFiber, currentFirstChild, "" + newChild, lanes)); if (typeof newChild === "function") warnOnFunctionType(returnFiber); return deleteRemainingChildren(returnFiber, currentFirstChild); } return reconcileChildFibers; } var reconcileChildFibers = ChildReconciler(true); var mountChildFibers = ChildReconciler(false); function cloneChildFibers(current, workInProgress) { if (current !== null && workInProgress.child !== current.child) throw new Error("Resuming work not yet implemented."); if (workInProgress.child === null) return; var currentChild = workInProgress.child; var newChild = createWorkInProgress(currentChild, currentChild.pendingProps); workInProgress.child = newChild; newChild.return = workInProgress; while(currentChild.sibling !== null){ currentChild = currentChild.sibling; newChild = newChild.sibling = createWorkInProgress(currentChild, currentChild.pendingProps); newChild.return = workInProgress; } newChild.sibling = null; } // Reset a workInProgress child set to prepare it for a second pass. function resetChildFibers(workInProgress, lanes) { var child = workInProgress.child; while(child !== null){ resetWorkInProgress(child, lanes); child = child.sibling; } } var NO_CONTEXT = {}; var contextStackCursor$1 = createCursor(NO_CONTEXT); var contextFiberStackCursor = createCursor(NO_CONTEXT); var rootInstanceStackCursor = createCursor(NO_CONTEXT); function requiredContext(c) { if (c === NO_CONTEXT) throw new Error("Expected host context to exist. This error is likely caused by a bug in React. Please file an issue."); return c; } function getRootHostContainer() { var rootInstance = requiredContext(rootInstanceStackCursor.current); return rootInstance; } function pushHostContainer(fiber, nextRootInstance) { // Push current root instance onto the stack; // This allows us to reset root when portals are popped. push(rootInstanceStackCursor, nextRootInstance, fiber); // Track the context and the Fiber that provided it. // This enables us to pop only Fibers that provide unique contexts. push(contextFiberStackCursor, fiber, fiber); // Finally, we need to push the host context to the stack. // However, we can't just call getRootHostContext() and push it because // we'd have a different number of entries on the stack depending on // whether getRootHostContext() throws somewhere in renderer code or not. // So we push an empty value first. This lets us safely unwind on errors. push(contextStackCursor$1, NO_CONTEXT, fiber); var nextRootContext = getRootHostContext(nextRootInstance); // Now that we know this function doesn't throw, replace it. pop(contextStackCursor$1, fiber); push(contextStackCursor$1, nextRootContext, fiber); } function popHostContainer(fiber) { pop(contextStackCursor$1, fiber); pop(contextFiberStackCursor, fiber); pop(rootInstanceStackCursor, fiber); } function getHostContext() { var context = requiredContext(contextStackCursor$1.current); return context; } function pushHostContext(fiber) { var rootInstance = requiredContext(rootInstanceStackCursor.current); var context = requiredContext(contextStackCursor$1.current); var nextContext = getChildHostContext(context, fiber.type); // Don't push this Fiber's context unless it's unique. if (context === nextContext) return; // Track the context and the Fiber that provided it. // This enables us to pop only Fibers that provide unique contexts. push(contextFiberStackCursor, fiber, fiber); push(contextStackCursor$1, nextContext, fiber); } function popHostContext(fiber) { // Do not pop unless this Fiber provided the current context. // pushHostContext() only pushes Fibers that provide unique contexts. if (contextFiberStackCursor.current !== fiber) return; pop(contextStackCursor$1, fiber); pop(contextFiberStackCursor, fiber); } var DefaultSuspenseContext = 0; // The Suspense Context is split into two parts. The lower bits is // inherited deeply down the subtree. The upper bits only affect // this immediate suspense boundary and gets reset each new // boundary or suspense list. var SubtreeSuspenseContextMask = 1; // Subtree Flags: // InvisibleParentSuspenseContext indicates that one of our parent Suspense // boundaries is not currently showing visible main content. // Either because it is already showing a fallback or is not mounted at all. // We can use this to determine if it is desirable to trigger a fallback at // the parent. If not, then we might need to trigger undesirable boundaries // and/or suspend the commit to avoid hiding the parent content. var InvisibleParentSuspenseContext = 1; // Shallow Flags: // ForceSuspenseFallback can be used by SuspenseList to force newly added // items into their fallback state during one of the render passes. var ForceSuspenseFallback = 2; var suspenseStackCursor = createCursor(DefaultSuspenseContext); function hasSuspenseContext(parentContext, flag) { return (parentContext & flag) !== 0; } function setDefaultShallowSuspenseContext(parentContext) { return parentContext & SubtreeSuspenseContextMask; } function setShallowSuspenseContext(parentContext, shallowContext) { return parentContext & SubtreeSuspenseContextMask | shallowContext; } function addSubtreeSuspenseContext(parentContext, subtreeContext) { return parentContext | subtreeContext; } function pushSuspenseContext(fiber, newContext) { push(suspenseStackCursor, newContext, fiber); } function popSuspenseContext(fiber) { pop(suspenseStackCursor, fiber); } function shouldCaptureSuspense(workInProgress, hasInvisibleParent) { // If it was the primary children that just suspended, capture and render the // fallback. Otherwise, don't capture and bubble to the next boundary. var nextState = workInProgress.memoizedState; if (nextState !== null) { if (nextState.dehydrated !== null) // A dehydrated boundary always captures. return true; return false; } var props = workInProgress.memoizedProps; // Regular boundaries always capture. return true; } function findFirstSuspended(row) { var node = row; while(node !== null){ if (node.tag === SuspenseComponent) { var state = node.memoizedState; if (state !== null) { var dehydrated = state.dehydrated; if (dehydrated === null || isSuspenseInstancePending(dehydrated) || isSuspenseInstanceFallback(dehydrated)) return node; } } else if (node.tag === SuspenseListComponent && // revealOrder undefined can't be trusted because it don't // keep track of whether it suspended or not. node.memoizedProps.revealOrder !== undefined) { var didSuspend = (node.flags & DidCapture) !== NoFlags; if (didSuspend) return node; } else if (node.child !== null) { node.child.return = node; node = node.child; continue; } if (node === row) return null; while(node.sibling === null){ if (node.return === null || node.return === row) return null; node = node.return; } node.sibling.return = node.return; node = node.sibling; } return null; } var NoFlags$1 = /* */ 0; // Represents whether effect should fire. var HasEffect = /* */ 1; // Represents the phase in which the effect (not the clean-up) fires. var Insertion = /* */ 2; var Layout = /* */ 4; var Passive$1 = /* */ 8; // and should be reset before starting a new render. // This tracks which mutable sources need to be reset after a render. var workInProgressSources = []; function resetWorkInProgressVersions() { for(var i = 0; i < workInProgressSources.length; i++){ var mutableSource = workInProgressSources[i]; mutableSource._workInProgressVersionPrimary = null; } workInProgressSources.length = 0; } // This ensures that the version used for server rendering matches the one // that is eventually read during hydration. // If they don't match there's a potential tear and a full deopt render is required. function registerMutableSourceForHydration(root, mutableSource) { var getVersion = mutableSource._getVersion; var version = getVersion(mutableSource._source); // TODO Clear this data once all pending hydration work is finished. // Retaining it forever may interfere with GC. if (root.mutableSourceEagerHydrationData == null) root.mutableSourceEagerHydrationData = [ mutableSource, version ]; else root.mutableSourceEagerHydrationData.push(mutableSource, version); } var ReactCurrentDispatcher$1 = ReactSharedInternals.ReactCurrentDispatcher, ReactCurrentBatchConfig$2 = ReactSharedInternals.ReactCurrentBatchConfig; var didWarnAboutMismatchedHooksForComponent; var didWarnUncachedGetSnapshot; didWarnAboutMismatchedHooksForComponent = new Set(); // These are set right before calling the component. var renderLanes = NoLanes; // The work-in-progress fiber. I've named it differently to distinguish it from // the work-in-progress hook. var currentlyRenderingFiber$1 = null; // Hooks are stored as a linked list on the fiber's memoizedState field. The // current hook list is the list that belongs to the current fiber. The // work-in-progress hook list is a new list that will be added to the // work-in-progress fiber. var currentHook = null; var workInProgressHook = null; // Whether an update was scheduled at any point during the render phase. This // does not get reset if we do another render pass; only when we're completely // finished evaluating this component. This is an optimization so we know // whether we need to clear render phase updates after a throw. var didScheduleRenderPhaseUpdate = false; // Where an update was scheduled only during the current render pass. This // gets reset after each attempt. // TODO: Maybe there's some way to consolidate this with // `didScheduleRenderPhaseUpdate`. Or with `numberOfReRenders`. var didScheduleRenderPhaseUpdateDuringThisPass = false; // Counts the number of useId hooks in this component. var localIdCounter = 0; // Used for ids that are generated completely client-side (i.e. not during // hydration). This counter is global, so client ids are not stable across // render attempts. var globalClientIdCounter = 0; var RE_RENDER_LIMIT = 25; // In DEV, this is the name of the currently executing primitive hook var currentHookNameInDev = null; // In DEV, this list ensures that hooks are called in the same order between renders. // The list stores the order of hooks used during the initial render (mount). // Subsequent renders (updates) reference this list. var hookTypesDev = null; var hookTypesUpdateIndexDev = -1; // In DEV, this tracks whether currently rendering component needs to ignore // the dependencies for Hooks that need them (e.g. useEffect or useMemo). // When true, such Hooks will always be "remounted". Only used during hot reload. var ignorePreviousDependencies = false; function mountHookTypesDev() { var hookName = currentHookNameInDev; if (hookTypesDev === null) hookTypesDev = [ hookName ]; else hookTypesDev.push(hookName); } function updateHookTypesDev() { var hookName = currentHookNameInDev; if (hookTypesDev !== null) { hookTypesUpdateIndexDev++; if (hookTypesDev[hookTypesUpdateIndexDev] !== hookName) warnOnHookMismatchInDev(hookName); } } function checkDepsAreArrayDev(deps) { if (deps !== undefined && deps !== null && !isArray(deps)) // Verify deps, but only on mount to avoid extra checks. // It's unlikely their type would change as usually you define them inline. error("%s received a final argument that is not an array (instead, received `%s`). When specified, the final argument must be an array.", currentHookNameInDev, typeof deps); } function warnOnHookMismatchInDev(currentHookName) { var componentName = getComponentNameFromFiber(currentlyRenderingFiber$1); if (!didWarnAboutMismatchedHooksForComponent.has(componentName)) { didWarnAboutMismatchedHooksForComponent.add(componentName); if (hookTypesDev !== null) { var table = ""; var secondColumnStart = 30; for(var i = 0; i <= hookTypesUpdateIndexDev; i++){ var oldHookName = hookTypesDev[i]; var newHookName = i === hookTypesUpdateIndexDev ? currentHookName : oldHookName; var row = i + 1 + ". " + oldHookName; // Extra space so second column lines up // lol @ IE not supporting String#repeat while(row.length < secondColumnStart)row += " "; row += newHookName + "\n"; table += row; } error("React has detected a change in the order of Hooks called by %s. This will lead to bugs and errors if not fixed. For more information, read the Rules of Hooks: https://reactjs.org/link/rules-of-hooks\n\n Previous render Next render\n ------------------------------------------------------\n%s ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n", componentName, table); } } } function throwInvalidHookError() { throw new Error("Invalid hook call. Hooks can only be called inside of the body of a function component. This could happen for one of the following reasons:\n1. You might have mismatching versions of React and the renderer (such as React DOM)\n2. You might be breaking the Rules of Hooks\n3. You might have more than one copy of React in the same app\nSee https://reactjs.org/link/invalid-hook-call for tips about how to debug and fix this problem."); } function areHookInputsEqual(nextDeps, prevDeps) { if (ignorePreviousDependencies) // Only true when this component is being hot reloaded. return false; if (prevDeps === null) { error("%s received a final argument during this render, but not during the previous render. Even though the final argument is optional, its type cannot change between renders.", currentHookNameInDev); return false; } // Don't bother comparing lengths in prod because these arrays should be // passed inline. if (nextDeps.length !== prevDeps.length) error("The final argument passed to %s changed size between renders. The order and size of this array must remain constant.\n\nPrevious: %s\nIncoming: %s", currentHookNameInDev, "[" + prevDeps.join(", ") + "]", "[" + nextDeps.join(", ") + "]"); for(var i = 0; i < prevDeps.length && i < nextDeps.length; i++){ if (objectIs(nextDeps[i], prevDeps[i])) continue; return false; } return true; } function renderWithHooks(current, workInProgress, Component, props, secondArg, nextRenderLanes) { renderLanes = nextRenderLanes; currentlyRenderingFiber$1 = workInProgress; hookTypesDev = current !== null ? current._debugHookTypes : null; hookTypesUpdateIndexDev = -1; // Used for hot reloading: ignorePreviousDependencies = current !== null && current.type !== workInProgress.type; workInProgress.memoizedState = null; workInProgress.updateQueue = null; workInProgress.lanes = NoLanes; // The following should have already been reset if (current !== null && current.memoizedState !== null) ReactCurrentDispatcher$1.current = HooksDispatcherOnUpdateInDEV; else if (hookTypesDev !== null) // This dispatcher handles an edge case where a component is updating, // but no stateful hooks have been used. // We want to match the production code behavior (which will use HooksDispatcherOnMount), // but with the extra DEV validation to ensure hooks ordering hasn't changed. // This dispatcher does that. ReactCurrentDispatcher$1.current = HooksDispatcherOnMountWithHookTypesInDEV; else ReactCurrentDispatcher$1.current = HooksDispatcherOnMountInDEV; var children = Component(props, secondArg); // Check if there was a render phase update if (didScheduleRenderPhaseUpdateDuringThisPass) { // Keep rendering in a loop for as long as render phase updates continue to // be scheduled. Use a counter to prevent infinite loops. var numberOfReRenders = 0; do { didScheduleRenderPhaseUpdateDuringThisPass = false; localIdCounter = 0; if (numberOfReRenders >= RE_RENDER_LIMIT) throw new Error("Too many re-renders. React limits the number of renders to prevent an infinite loop."); numberOfReRenders += 1; // Even when hot reloading, allow dependencies to stabilize // after first render to prevent infinite render phase updates. ignorePreviousDependencies = false; currentHook = null; workInProgressHook = null; workInProgress.updateQueue = null; // Also validate hook order for cascading updates. hookTypesUpdateIndexDev = -1; ReactCurrentDispatcher$1.current = HooksDispatcherOnRerenderInDEV; children = Component(props, secondArg); }while (didScheduleRenderPhaseUpdateDuringThisPass); } // We can assume the previous dispatcher is always this one, since we set it // at the beginning of the render phase and there's no re-entrance. ReactCurrentDispatcher$1.current = ContextOnlyDispatcher; workInProgress._debugHookTypes = hookTypesDev; // hookTypesDev could catch more cases (e.g. context) but only in DEV bundles. var didRenderTooFewHooks = currentHook !== null && currentHook.next !== null; renderLanes = NoLanes; currentlyRenderingFiber$1 = null; currentHook = null; workInProgressHook = null; currentHookNameInDev = null; hookTypesDev = null; hookTypesUpdateIndexDev = -1; // Confirm that a static flag was not added or removed since the last // render. If this fires, it suggests that we incorrectly reset the static // flags in some other part of the codebase. This has happened before, for // example, in the SuspenseList implementation. if (current !== null && (current.flags & StaticMask) !== (workInProgress.flags & StaticMask) && // Disable this warning in legacy mode, because legacy Suspense is weird // and creates false positives. To make this work in legacy mode, we'd // need to mark fibers that commit in an incomplete state, somehow. For // now I'll disable the warning that most of the bugs that would trigger // it are either exclusive to concurrent mode or exist in both. (current.mode & ConcurrentMode) !== NoMode) error("Internal React error: Expected static flag was missing. Please notify the React team."); didScheduleRenderPhaseUpdate = false; // This is reset by checkDidRenderIdHook // localIdCounter = 0; if (didRenderTooFewHooks) throw new Error("Rendered fewer hooks than expected. This may be caused by an accidental early return statement."); return children; } function checkDidRenderIdHook() { // This should be called immediately after every renderWithHooks call. // Conceptually, it's part of the return value of renderWithHooks; it's only a // separate function to avoid using an array tuple. var didRenderIdHook = localIdCounter !== 0; localIdCounter = 0; return didRenderIdHook; } function bailoutHooks(current, workInProgress, lanes) { workInProgress.updateQueue = current.updateQueue; // TODO: Don't need to reset the flags here, because they're reset in the // complete phase (bubbleProperties). if ((workInProgress.mode & StrictEffectsMode) !== NoMode) workInProgress.flags &= ~(MountPassiveDev | MountLayoutDev | Passive | Update); else workInProgress.flags &= ~(Passive | Update); current.lanes = removeLanes(current.lanes, lanes); } function resetHooksAfterThrow() { // We can assume the previous dispatcher is always this one, since we set it // at the beginning of the render phase and there's no re-entrance. ReactCurrentDispatcher$1.current = ContextOnlyDispatcher; if (didScheduleRenderPhaseUpdate) { // There were render phase updates. These are only valid for this render // phase, which we are now aborting. Remove the updates from the queues so // they do not persist to the next render. Do not remove updates from hooks // that weren't processed. // // Only reset the updates from the queue if it has a clone. If it does // not have a clone, that means it wasn't processed, and the updates were // scheduled before we entered the render phase. var hook = currentlyRenderingFiber$1.memoizedState; while(hook !== null){ var queue = hook.queue; if (queue !== null) queue.pending = null; hook = hook.next; } didScheduleRenderPhaseUpdate = false; } renderLanes = NoLanes; currentlyRenderingFiber$1 = null; currentHook = null; workInProgressHook = null; hookTypesDev = null; hookTypesUpdateIndexDev = -1; currentHookNameInDev = null; isUpdatingOpaqueValueInRenderPhase = false; didScheduleRenderPhaseUpdateDuringThisPass = false; localIdCounter = 0; } function mountWorkInProgressHook() { var hook = { memoizedState: null, baseState: null, baseQueue: null, queue: null, next: null }; if (workInProgressHook === null) // This is the first hook in the list currentlyRenderingFiber$1.memoizedState = workInProgressHook = hook; else // Append to the end of the list workInProgressHook = workInProgressHook.next = hook; return workInProgressHook; } function updateWorkInProgressHook() { // This function is used both for updates and for re-renders triggered by a // render phase update. It assumes there is either a current hook we can // clone, or a work-in-progress hook from a previous render pass that we can // use as a base. When we reach the end of the base list, we must switch to // the dispatcher used for mounts. var nextCurrentHook; if (currentHook === null) { var current = currentlyRenderingFiber$1.alternate; if (current !== null) nextCurrentHook = current.memoizedState; else nextCurrentHook = null; } else nextCurrentHook = currentHook.next; var nextWorkInProgressHook; if (workInProgressHook === null) nextWorkInProgressHook = currentlyRenderingFiber$1.memoizedState; else nextWorkInProgressHook = workInProgressHook.next; if (nextWorkInProgressHook !== null) { // There's already a work-in-progress. Reuse it. workInProgressHook = nextWorkInProgressHook; nextWorkInProgressHook = workInProgressHook.next; currentHook = nextCurrentHook; } else { // Clone from the current hook. if (nextCurrentHook === null) throw new Error("Rendered more hooks than during the previous render."); currentHook = nextCurrentHook; var newHook = { memoizedState: currentHook.memoizedState, baseState: currentHook.baseState, baseQueue: currentHook.baseQueue, queue: currentHook.queue, next: null }; if (workInProgressHook === null) // This is the first hook in the list. currentlyRenderingFiber$1.memoizedState = workInProgressHook = newHook; else // Append to the end of the list. workInProgressHook = workInProgressHook.next = newHook; } return workInProgressHook; } function createFunctionComponentUpdateQueue() { return { lastEffect: null, stores: null }; } function basicStateReducer(state, action) { // $FlowFixMe: Flow doesn't like mixed types return typeof action === "function" ? action(state) : action; } function mountReducer(reducer, initialArg, init) { var hook = mountWorkInProgressHook(); var initialState; if (init !== undefined) initialState = init(initialArg); else initialState = initialArg; hook.memoizedState = hook.baseState = initialState; var queue = { pending: null, interleaved: null, lanes: NoLanes, dispatch: null, lastRenderedReducer: reducer, lastRenderedState: initialState }; hook.queue = queue; var dispatch = queue.dispatch = dispatchReducerAction.bind(null, currentlyRenderingFiber$1, queue); return [ hook.memoizedState, dispatch ]; } function updateReducer(reducer, initialArg, init) { var hook = updateWorkInProgressHook(); var queue = hook.queue; if (queue === null) throw new Error("Should have a queue. This is likely a bug in React. Please file an issue."); queue.lastRenderedReducer = reducer; var current = currentHook; // The last rebase update that is NOT part of the base state. var baseQueue = current.baseQueue; // The last pending update that hasn't been processed yet. var pendingQueue = queue.pending; if (pendingQueue !== null) { // We have new updates that haven't been processed yet. // We'll add them to the base queue. if (baseQueue !== null) { // Merge the pending queue and the base queue. var baseFirst = baseQueue.next; var pendingFirst = pendingQueue.next; baseQueue.next = pendingFirst; pendingQueue.next = baseFirst; } if (current.baseQueue !== baseQueue) // Internal invariant that should never happen, but feasibly could in // the future if we implement resuming, or some form of that. error("Internal error: Expected work-in-progress queue to be a clone. This is a bug in React."); current.baseQueue = baseQueue = pendingQueue; queue.pending = null; } if (baseQueue !== null) { // We have a queue to process. var first = baseQueue.next; var newState = current.baseState; var newBaseState = null; var newBaseQueueFirst = null; var newBaseQueueLast = null; var update = first; do { var updateLane = update.lane; if (!isSubsetOfLanes(renderLanes, updateLane)) { // Priority is insufficient. Skip this update. If this is the first // skipped update, the previous update/state is the new base // update/state. var clone = { lane: updateLane, action: update.action, hasEagerState: update.hasEagerState, eagerState: update.eagerState, next: null }; if (newBaseQueueLast === null) { newBaseQueueFirst = newBaseQueueLast = clone; newBaseState = newState; } else newBaseQueueLast = newBaseQueueLast.next = clone; // Update the remaining priority in the queue. // TODO: Don't need to accumulate this. Instead, we can remove // renderLanes from the original lanes. currentlyRenderingFiber$1.lanes = mergeLanes(currentlyRenderingFiber$1.lanes, updateLane); markSkippedUpdateLanes(updateLane); } else { // This update does have sufficient priority. if (newBaseQueueLast !== null) { var _clone = { // This update is going to be committed so we never want uncommit // it. Using NoLane works because 0 is a subset of all bitmasks, so // this will never be skipped by the check above. lane: NoLane, action: update.action, hasEagerState: update.hasEagerState, eagerState: update.eagerState, next: null }; newBaseQueueLast = newBaseQueueLast.next = _clone; } // Process this update. if (update.hasEagerState) // If this update is a state update (not a reducer) and was processed eagerly, // we can use the eagerly computed state newState = update.eagerState; else { var action = update.action; newState = reducer(newState, action); } } update = update.next; }while (update !== null && update !== first); if (newBaseQueueLast === null) newBaseState = newState; else newBaseQueueLast.next = newBaseQueueFirst; // Mark that the fiber performed work, but only if the new state is // different from the current state. if (!objectIs(newState, hook.memoizedState)) markWorkInProgressReceivedUpdate(); hook.memoizedState = newState; hook.baseState = newBaseState; hook.baseQueue = newBaseQueueLast; queue.lastRenderedState = newState; } // Interleaved updates are stored on a separate queue. We aren't going to // process them during this render, but we do need to track which lanes // are remaining. var lastInterleaved = queue.interleaved; if (lastInterleaved !== null) { var interleaved = lastInterleaved; do { var interleavedLane = interleaved.lane; currentlyRenderingFiber$1.lanes = mergeLanes(currentlyRenderingFiber$1.lanes, interleavedLane); markSkippedUpdateLanes(interleavedLane); interleaved = interleaved.next; }while (interleaved !== lastInterleaved); } else if (baseQueue === null) // `queue.lanes` is used for entangling transitions. We can set it back to // zero once the queue is empty. queue.lanes = NoLanes; var dispatch = queue.dispatch; return [ hook.memoizedState, dispatch ]; } function rerenderReducer(reducer, initialArg, init) { var hook = updateWorkInProgressHook(); var queue = hook.queue; if (queue === null) throw new Error("Should have a queue. This is likely a bug in React. Please file an issue."); queue.lastRenderedReducer = reducer; // This is a re-render. Apply the new render phase updates to the previous // work-in-progress hook. var dispatch = queue.dispatch; var lastRenderPhaseUpdate = queue.pending; var newState = hook.memoizedState; if (lastRenderPhaseUpdate !== null) { // The queue doesn't persist past this render pass. queue.pending = null; var firstRenderPhaseUpdate = lastRenderPhaseUpdate.next; var update = firstRenderPhaseUpdate; do { // Process this render phase update. We don't have to check the // priority because it will always be the same as the current // render's. var action = update.action; newState = reducer(newState, action); update = update.next; }while (update !== firstRenderPhaseUpdate); // Mark that the fiber performed work, but only if the new state is // different from the current state. if (!objectIs(newState, hook.memoizedState)) markWorkInProgressReceivedUpdate(); hook.memoizedState = newState; // Don't persist the state accumulated from the render phase updates to // the base state unless the queue is empty. // TODO: Not sure if this is the desired semantics, but it's what we // do for gDSFP. I can't remember why. if (hook.baseQueue === null) hook.baseState = newState; queue.lastRenderedState = newState; } return [ newState, dispatch ]; } function mountMutableSource(source, getSnapshot, subscribe) { return undefined; } function updateMutableSource(source, getSnapshot, subscribe) { return undefined; } function mountSyncExternalStore(subscribe, getSnapshot, getServerSnapshot) { var fiber = currentlyRenderingFiber$1; var hook = mountWorkInProgressHook(); var nextSnapshot; var isHydrating = getIsHydrating(); if (isHydrating) { if (getServerSnapshot === undefined) throw new Error("Missing getServerSnapshot, which is required for server-rendered content. Will revert to client rendering."); nextSnapshot = getServerSnapshot(); if (!didWarnUncachedGetSnapshot) { if (nextSnapshot !== getServerSnapshot()) { error("The result of getServerSnapshot should be cached to avoid an infinite loop"); didWarnUncachedGetSnapshot = true; } } } else { nextSnapshot = getSnapshot(); if (!didWarnUncachedGetSnapshot) { var cachedSnapshot = getSnapshot(); if (!objectIs(nextSnapshot, cachedSnapshot)) { error("The result of getSnapshot should be cached to avoid an infinite loop"); didWarnUncachedGetSnapshot = true; } } // Right before committing, we will walk the tree and check if any of the // stores were mutated. // // We won't do this if we're hydrating server-rendered content, because if // the content is stale, it's already visible anyway. Instead we'll patch // it up in a passive effect. var root = getWorkInProgressRoot(); if (root === null) throw new Error("Expected a work-in-progress root. This is a bug in React. Please file an issue."); if (!includesBlockingLane(root, renderLanes)) pushStoreConsistencyCheck(fiber, getSnapshot, nextSnapshot); } // Read the current snapshot from the store on every render. This breaks the // normal rules of React, and only works because store updates are // always synchronous. hook.memoizedState = nextSnapshot; var inst = { value: nextSnapshot, getSnapshot: getSnapshot }; hook.queue = inst; // Schedule an effect to subscribe to the store. mountEffect(subscribeToStore.bind(null, fiber, inst, subscribe), [ subscribe ]); // Schedule an effect to update the mutable instance fields. We will update // this whenever subscribe, getSnapshot, or value changes. Because there's no // clean-up function, and we track the deps correctly, we can call pushEffect // directly, without storing any additional state. For the same reason, we // don't need to set a static flag, either. // TODO: We can move this to the passive phase once we add a pre-commit // consistency check. See the next comment. fiber.flags |= Passive; pushEffect(HasEffect | Passive$1, updateStoreInstance.bind(null, fiber, inst, nextSnapshot, getSnapshot), undefined, null); return nextSnapshot; } function updateSyncExternalStore(subscribe, getSnapshot, getServerSnapshot) { var fiber = currentlyRenderingFiber$1; var hook = updateWorkInProgressHook(); // Read the current snapshot from the store on every render. This breaks the // normal rules of React, and only works because store updates are // always synchronous. var nextSnapshot = getSnapshot(); if (!didWarnUncachedGetSnapshot) { var cachedSnapshot = getSnapshot(); if (!objectIs(nextSnapshot, cachedSnapshot)) { error("The result of getSnapshot should be cached to avoid an infinite loop"); didWarnUncachedGetSnapshot = true; } } var prevSnapshot = hook.memoizedState; var snapshotChanged = !objectIs(prevSnapshot, nextSnapshot); if (snapshotChanged) { hook.memoizedState = nextSnapshot; markWorkInProgressReceivedUpdate(); } var inst = hook.queue; updateEffect(subscribeToStore.bind(null, fiber, inst, subscribe), [ subscribe ]); // Whenever getSnapshot or subscribe changes, we need to check in the // commit phase if there was an interleaved mutation. In concurrent mode // this can happen all the time, but even in synchronous mode, an earlier // effect may have mutated the store. if (inst.getSnapshot !== getSnapshot || snapshotChanged || // Check if the susbcribe function changed. We can save some memory by // checking whether we scheduled a subscription effect above. workInProgressHook !== null && workInProgressHook.memoizedState.tag & HasEffect) { fiber.flags |= Passive; pushEffect(HasEffect | Passive$1, updateStoreInstance.bind(null, fiber, inst, nextSnapshot, getSnapshot), undefined, null); // Unless we're rendering a blocking lane, schedule a consistency check. // Right before committing, we will walk the tree and check if any of the // stores were mutated. var root = getWorkInProgressRoot(); if (root === null) throw new Error("Expected a work-in-progress root. This is a bug in React. Please file an issue."); if (!includesBlockingLane(root, renderLanes)) pushStoreConsistencyCheck(fiber, getSnapshot, nextSnapshot); } return nextSnapshot; } function pushStoreConsistencyCheck(fiber, getSnapshot, renderedSnapshot) { fiber.flags |= StoreConsistency; var check = { getSnapshot: getSnapshot, value: renderedSnapshot }; var componentUpdateQueue = currentlyRenderingFiber$1.updateQueue; if (componentUpdateQueue === null) { componentUpdateQueue = createFunctionComponentUpdateQueue(); currentlyRenderingFiber$1.updateQueue = componentUpdateQueue; componentUpdateQueue.stores = [ check ]; } else { var stores = componentUpdateQueue.stores; if (stores === null) componentUpdateQueue.stores = [ check ]; else stores.push(check); } } function updateStoreInstance(fiber, inst, nextSnapshot, getSnapshot) { // These are updated in the passive phase inst.value = nextSnapshot; inst.getSnapshot = getSnapshot; // Something may have been mutated in between render and commit. This could // have been in an event that fired before the passive effects, or it could // have been in a layout effect. In that case, we would have used the old // snapsho and getSnapshot values to bail out. We need to check one more time. if (checkIfSnapshotChanged(inst)) // Force a re-render. forceStoreRerender(fiber); } function subscribeToStore(fiber, inst, subscribe) { var handleStoreChange = function() { // The store changed. Check if the snapshot changed since the last time we // read from the store. if (checkIfSnapshotChanged(inst)) // Force a re-render. forceStoreRerender(fiber); }; // Subscribe to the store and return a clean-up function. return subscribe(handleStoreChange); } function checkIfSnapshotChanged(inst) { var latestGetSnapshot = inst.getSnapshot; var prevValue = inst.value; try { var nextValue = latestGetSnapshot(); return !objectIs(prevValue, nextValue); } catch (error) { return true; } } function forceStoreRerender(fiber) { var root = enqueueConcurrentRenderForLane(fiber, SyncLane); if (root !== null) scheduleUpdateOnFiber(root, fiber, SyncLane, NoTimestamp); } function mountState(initialState) { var hook = mountWorkInProgressHook(); if (typeof initialState === "function") // $FlowFixMe: Flow doesn't like mixed types initialState = initialState(); hook.memoizedState = hook.baseState = initialState; var queue = { pending: null, interleaved: null, lanes: NoLanes, dispatch: null, lastRenderedReducer: basicStateReducer, lastRenderedState: initialState }; hook.queue = queue; var dispatch = queue.dispatch = dispatchSetState.bind(null, currentlyRenderingFiber$1, queue); return [ hook.memoizedState, dispatch ]; } function updateState(initialState) { return updateReducer(basicStateReducer); } function rerenderState(initialState) { return rerenderReducer(basicStateReducer); } function pushEffect(tag, create, destroy, deps) { var effect = { tag: tag, create: create, destroy: destroy, deps: deps, // Circular next: null }; var componentUpdateQueue = currentlyRenderingFiber$1.updateQueue; if (componentUpdateQueue === null) { componentUpdateQueue = createFunctionComponentUpdateQueue(); currentlyRenderingFiber$1.updateQueue = componentUpdateQueue; componentUpdateQueue.lastEffect = effect.next = effect; } else { var lastEffect = componentUpdateQueue.lastEffect; if (lastEffect === null) componentUpdateQueue.lastEffect = effect.next = effect; else { var firstEffect = lastEffect.next; lastEffect.next = effect; effect.next = firstEffect; componentUpdateQueue.lastEffect = effect; } } return effect; } function mountRef(initialValue) { var hook = mountWorkInProgressHook(); var _ref2 = { current: initialValue }; hook.memoizedState = _ref2; return _ref2; } function updateRef(initialValue) { var hook = updateWorkInProgressHook(); return hook.memoizedState; } function mountEffectImpl(fiberFlags, hookFlags, create, deps) { var hook = mountWorkInProgressHook(); var nextDeps = deps === undefined ? null : deps; currentlyRenderingFiber$1.flags |= fiberFlags; hook.memoizedState = pushEffect(HasEffect | hookFlags, create, undefined, nextDeps); } function updateEffectImpl(fiberFlags, hookFlags, create, deps) { var hook = updateWorkInProgressHook(); var nextDeps = deps === undefined ? null : deps; var destroy = undefined; if (currentHook !== null) { var prevEffect = currentHook.memoizedState; destroy = prevEffect.destroy; if (nextDeps !== null) { var prevDeps = prevEffect.deps; if (areHookInputsEqual(nextDeps, prevDeps)) { hook.memoizedState = pushEffect(hookFlags, create, destroy, nextDeps); return; } } } currentlyRenderingFiber$1.flags |= fiberFlags; hook.memoizedState = pushEffect(HasEffect | hookFlags, create, destroy, nextDeps); } function mountEffect(create, deps) { if ((currentlyRenderingFiber$1.mode & StrictEffectsMode) !== NoMode) return mountEffectImpl(MountPassiveDev | Passive | PassiveStatic, Passive$1, create, deps); else return mountEffectImpl(Passive | PassiveStatic, Passive$1, create, deps); } function updateEffect(create, deps) { return updateEffectImpl(Passive, Passive$1, create, deps); } function mountInsertionEffect(create, deps) { return mountEffectImpl(Update, Insertion, create, deps); } function updateInsertionEffect(create, deps) { return updateEffectImpl(Update, Insertion, create, deps); } function mountLayoutEffect(create, deps) { var fiberFlags = Update; fiberFlags |= LayoutStatic; if ((currentlyRenderingFiber$1.mode & StrictEffectsMode) !== NoMode) fiberFlags |= MountLayoutDev; return mountEffectImpl(fiberFlags, Layout, create, deps); } function updateLayoutEffect(create, deps) { return updateEffectImpl(Update, Layout, create, deps); } function imperativeHandleEffect(create, ref) { if (typeof ref === "function") { var refCallback = ref; var _inst = create(); refCallback(_inst); return function() { refCallback(null); }; } else if (ref !== null && ref !== undefined) { var refObject = ref; if (!refObject.hasOwnProperty("current")) error("Expected useImperativeHandle() first argument to either be a ref callback or React.createRef() object. Instead received: %s.", "an object with keys {" + Object.keys(refObject).join(", ") + "}"); var _inst2 = create(); refObject.current = _inst2; return function() { refObject.current = null; }; } } function mountImperativeHandle(ref, create, deps) { if (typeof create !== "function") error("Expected useImperativeHandle() second argument to be a function that creates a handle. Instead received: %s.", create !== null ? typeof create : "null"); var effectDeps = deps !== null && deps !== undefined ? deps.concat([ ref ]) : null; var fiberFlags = Update; fiberFlags |= LayoutStatic; if ((currentlyRenderingFiber$1.mode & StrictEffectsMode) !== NoMode) fiberFlags |= MountLayoutDev; return mountEffectImpl(fiberFlags, Layout, imperativeHandleEffect.bind(null, create, ref), effectDeps); } function updateImperativeHandle(ref, create, deps) { if (typeof create !== "function") error("Expected useImperativeHandle() second argument to be a function that creates a handle. Instead received: %s.", create !== null ? typeof create : "null"); var effectDeps = deps !== null && deps !== undefined ? deps.concat([ ref ]) : null; return updateEffectImpl(Update, Layout, imperativeHandleEffect.bind(null, create, ref), effectDeps); } function mountDebugValue(value, formatterFn) { // The react-debug-hooks package injects its own implementation // so that e.g. DevTools can display custom hook values. } var updateDebugValue = mountDebugValue; function mountCallback(callback, deps) { var hook = mountWorkInProgressHook(); var nextDeps = deps === undefined ? null : deps; hook.memoizedState = [ callback, nextDeps ]; return callback; } function updateCallback(callback, deps) { var hook = updateWorkInProgressHook(); var nextDeps = deps === undefined ? null : deps; var prevState = hook.memoizedState; if (prevState !== null) { if (nextDeps !== null) { var prevDeps = prevState[1]; if (areHookInputsEqual(nextDeps, prevDeps)) return prevState[0]; } } hook.memoizedState = [ callback, nextDeps ]; return callback; } function mountMemo(nextCreate, deps) { var hook = mountWorkInProgressHook(); var nextDeps = deps === undefined ? null : deps; var nextValue = nextCreate(); hook.memoizedState = [ nextValue, nextDeps ]; return nextValue; } function updateMemo(nextCreate, deps) { var hook = updateWorkInProgressHook(); var nextDeps = deps === undefined ? null : deps; var prevState = hook.memoizedState; if (prevState !== null) // Assume these are defined. If they're not, areHookInputsEqual will warn. { if (nextDeps !== null) { var prevDeps = prevState[1]; if (areHookInputsEqual(nextDeps, prevDeps)) return prevState[0]; } } var nextValue = nextCreate(); hook.memoizedState = [ nextValue, nextDeps ]; return nextValue; } function mountDeferredValue(value) { var hook = mountWorkInProgressHook(); hook.memoizedState = value; return value; } function updateDeferredValue(value) { var hook = updateWorkInProgressHook(); var resolvedCurrentHook = currentHook; var prevValue = resolvedCurrentHook.memoizedState; return updateDeferredValueImpl(hook, prevValue, value); } function rerenderDeferredValue(value) { var hook = updateWorkInProgressHook(); if (currentHook === null) { // This is a rerender during a mount. hook.memoizedState = value; return value; } else { // This is a rerender during an update. var prevValue = currentHook.memoizedState; return updateDeferredValueImpl(hook, prevValue, value); } } function updateDeferredValueImpl(hook, prevValue, value) { var shouldDeferValue = !includesOnlyNonUrgentLanes(renderLanes); if (shouldDeferValue) { // This is an urgent update. If the value has changed, keep using the // previous value and spawn a deferred render to update it later. if (!objectIs(value, prevValue)) { // Schedule a deferred render var deferredLane = claimNextTransitionLane(); currentlyRenderingFiber$1.lanes = mergeLanes(currentlyRenderingFiber$1.lanes, deferredLane); markSkippedUpdateLanes(deferredLane); // Set this to true to indicate that the rendered value is inconsistent // from the latest value. The name "baseState" doesn't really match how we // use it because we're reusing a state hook field instead of creating a // new one. hook.baseState = true; } // Reuse the previous value return prevValue; } else { // This is not an urgent update, so we can use the latest value regardless // of what it is. No need to defer it. // However, if we're currently inside a spawned render, then we need to mark // this as an update to prevent the fiber from bailing out. // // `baseState` is true when the current value is different from the rendered // value. The name doesn't really match how we use it because we're reusing // a state hook field instead of creating a new one. if (hook.baseState) { // Flip this back to false. hook.baseState = false; markWorkInProgressReceivedUpdate(); } hook.memoizedState = value; return value; } } function startTransition(setPending, callback, options) { var previousPriority = getCurrentUpdatePriority(); setCurrentUpdatePriority(higherEventPriority(previousPriority, ContinuousEventPriority)); setPending(true); var prevTransition = ReactCurrentBatchConfig$2.transition; ReactCurrentBatchConfig$2.transition = {}; var currentTransition = ReactCurrentBatchConfig$2.transition; ReactCurrentBatchConfig$2.transition._updatedFibers = new Set(); try { setPending(false); callback(); } finally{ setCurrentUpdatePriority(previousPriority); ReactCurrentBatchConfig$2.transition = prevTransition; if (prevTransition === null && currentTransition._updatedFibers) { var updatedFibersCount = currentTransition._updatedFibers.size; if (updatedFibersCount > 10) warn("Detected a large number of updates inside startTransition. If this is due to a subscription please re-write it to use React provided hooks. Otherwise concurrent mode guarantees are off the table."); currentTransition._updatedFibers.clear(); } } } function mountTransition() { var _mountState = mountState(false), isPending = _mountState[0], setPending = _mountState[1]; // The `start` method never changes. var start = startTransition.bind(null, setPending); var hook = mountWorkInProgressHook(); hook.memoizedState = start; return [ isPending, start ]; } function updateTransition() { var _updateState = updateState(), isPending = _updateState[0]; var hook = updateWorkInProgressHook(); var start = hook.memoizedState; return [ isPending, start ]; } function rerenderTransition() { var _rerenderState = rerenderState(), isPending = _rerenderState[0]; var hook = updateWorkInProgressHook(); var start = hook.memoizedState; return [ isPending, start ]; } var isUpdatingOpaqueValueInRenderPhase = false; function getIsUpdatingOpaqueValueInRenderPhaseInDEV() { return isUpdatingOpaqueValueInRenderPhase; } function mountId() { var hook = mountWorkInProgressHook(); var root = getWorkInProgressRoot(); // TODO: In Fizz, id generation is specific to each server config. Maybe we // should do this in Fiber, too? Deferring this decision for now because // there's no other place to store the prefix except for an internal field on // the public createRoot object, which the fiber tree does not currently have // a reference to. var identifierPrefix = root.identifierPrefix; var id; if (getIsHydrating()) { var treeId = getTreeId(); // Use a captial R prefix for server-generated ids. id = ":" + identifierPrefix + "R" + treeId; // Unless this is the first id at this level, append a number at the end // that represents the position of this useId hook among all the useId // hooks for this fiber. var localId = localIdCounter++; if (localId > 0) id += "H" + localId.toString(32); id += ":"; } else { // Use a lowercase r prefix for client-generated ids. var globalClientId = globalClientIdCounter++; id = ":" + identifierPrefix + "r" + globalClientId.toString(32) + ":"; } hook.memoizedState = id; return id; } function updateId() { var hook = updateWorkInProgressHook(); var id = hook.memoizedState; return id; } function dispatchReducerAction(fiber, queue, action) { if (typeof arguments[3] === "function") error("State updates from the useState() and useReducer() Hooks don't support the second callback argument. To execute a side effect after rendering, declare it in the component body with useEffect()."); var lane = requestUpdateLane(fiber); var update = { lane: lane, action: action, hasEagerState: false, eagerState: null, next: null }; if (isRenderPhaseUpdate(fiber)) enqueueRenderPhaseUpdate(queue, update); else { var root = enqueueConcurrentHookUpdate(fiber, queue, update, lane); if (root !== null) { var eventTime = requestEventTime(); scheduleUpdateOnFiber(root, fiber, lane, eventTime); entangleTransitionUpdate(root, queue, lane); } } markUpdateInDevTools(fiber, lane); } function dispatchSetState(fiber, queue, action) { if (typeof arguments[3] === "function") error("State updates from the useState() and useReducer() Hooks don't support the second callback argument. To execute a side effect after rendering, declare it in the component body with useEffect()."); var lane = requestUpdateLane(fiber); var update = { lane: lane, action: action, hasEagerState: false, eagerState: null, next: null }; if (isRenderPhaseUpdate(fiber)) enqueueRenderPhaseUpdate(queue, update); else { var alternate = fiber.alternate; if (fiber.lanes === NoLanes && (alternate === null || alternate.lanes === NoLanes)) { // The queue is currently empty, which means we can eagerly compute the // next state before entering the render phase. If the new state is the // same as the current state, we may be able to bail out entirely. var lastRenderedReducer = queue.lastRenderedReducer; if (lastRenderedReducer !== null) { var prevDispatcher; prevDispatcher = ReactCurrentDispatcher$1.current; ReactCurrentDispatcher$1.current = InvalidNestedHooksDispatcherOnUpdateInDEV; try { var currentState = queue.lastRenderedState; var eagerState = lastRenderedReducer(currentState, action); // Stash the eagerly computed state, and the reducer used to compute // it, on the update object. If the reducer hasn't changed by the // time we enter the render phase, then the eager state can be used // without calling the reducer again. update.hasEagerState = true; update.eagerState = eagerState; if (objectIs(eagerState, currentState)) { // Fast path. We can bail out without scheduling React to re-render. // It's still possible that we'll need to rebase this update later, // if the component re-renders for a different reason and by that // time the reducer has changed. // TODO: Do we still need to entangle transitions in this case? enqueueConcurrentHookUpdateAndEagerlyBailout(fiber, queue, update, lane); return; } } catch (error) {} finally{ ReactCurrentDispatcher$1.current = prevDispatcher; } } } var root = enqueueConcurrentHookUpdate(fiber, queue, update, lane); if (root !== null) { var eventTime = requestEventTime(); scheduleUpdateOnFiber(root, fiber, lane, eventTime); entangleTransitionUpdate(root, queue, lane); } } markUpdateInDevTools(fiber, lane); } function isRenderPhaseUpdate(fiber) { var alternate = fiber.alternate; return fiber === currentlyRenderingFiber$1 || alternate !== null && alternate === currentlyRenderingFiber$1; } function enqueueRenderPhaseUpdate(queue, update) { // This is a render phase update. Stash it in a lazily-created map of // queue -> linked list of updates. After this render pass, we'll restart // and apply the stashed updates on top of the work-in-progress hook. didScheduleRenderPhaseUpdateDuringThisPass = didScheduleRenderPhaseUpdate = true; var pending = queue.pending; if (pending === null) // This is the first update. Create a circular list. update.next = update; else { update.next = pending.next; pending.next = update; } queue.pending = update; } // TODO: Move to ReactFiberConcurrentUpdates? function entangleTransitionUpdate(root, queue, lane) { if (isTransitionLane(lane)) { var queueLanes = queue.lanes; // If any entangled lanes are no longer pending on the root, then they // must have finished. We can remove them from the shared queue, which // represents a superset of the actually pending lanes. In some cases we // may entangle more than we need to, but that's OK. In fact it's worse if // we *don't* entangle when we should. queueLanes = intersectLanes(queueLanes, root.pendingLanes); // Entangle the new transition lane with the other transition lanes. var newQueueLanes = mergeLanes(queueLanes, lane); queue.lanes = newQueueLanes; // Even if queue.lanes already include lane, we don't know for certain if // the lane finished since the last time we entangled it. So we need to // entangle it again, just to be sure. markRootEntangled(root, newQueueLanes); } } function markUpdateInDevTools(fiber, lane, action) { markStateUpdateScheduled(fiber, lane); } var ContextOnlyDispatcher = { readContext: readContext, useCallback: throwInvalidHookError, useContext: throwInvalidHookError, useEffect: throwInvalidHookError, useImperativeHandle: throwInvalidHookError, useInsertionEffect: throwInvalidHookError, useLayoutEffect: throwInvalidHookError, useMemo: throwInvalidHookError, useReducer: throwInvalidHookError, useRef: throwInvalidHookError, useState: throwInvalidHookError, useDebugValue: throwInvalidHookError, useDeferredValue: throwInvalidHookError, useTransition: throwInvalidHookError, useMutableSource: throwInvalidHookError, useSyncExternalStore: throwInvalidHookError, useId: throwInvalidHookError, unstable_isNewReconciler: enableNewReconciler }; var HooksDispatcherOnMountInDEV = null; var HooksDispatcherOnMountWithHookTypesInDEV = null; var HooksDispatcherOnUpdateInDEV = null; var HooksDispatcherOnRerenderInDEV = null; var InvalidNestedHooksDispatcherOnMountInDEV = null; var InvalidNestedHooksDispatcherOnUpdateInDEV = null; var InvalidNestedHooksDispatcherOnRerenderInDEV = null; var warnInvalidContextAccess = function() { error("Context can only be read while React is rendering. In classes, you can read it in the render method or getDerivedStateFromProps. In function components, you can read it directly in the function body, but not inside Hooks like useReducer() or useMemo()."); }; var warnInvalidHookAccess = function() { error("Do not call Hooks inside useEffect(...), useMemo(...), or other built-in Hooks. You can only call Hooks at the top level of your React function. For more information, see https://reactjs.org/link/rules-of-hooks"); }; HooksDispatcherOnMountInDEV = { readContext: function(context) { return readContext(context); }, useCallback: function(callback, deps) { currentHookNameInDev = "useCallback"; mountHookTypesDev(); checkDepsAreArrayDev(deps); return mountCallback(callback, deps); }, useContext: function(context) { currentHookNameInDev = "useContext"; mountHookTypesDev(); return readContext(context); }, useEffect: function(create, deps) { currentHookNameInDev = "useEffect"; mountHookTypesDev(); checkDepsAreArrayDev(deps); return mountEffect(create, deps); }, useImperativeHandle: function(ref, create, deps) { currentHookNameInDev = "useImperativeHandle"; mountHookTypesDev(); checkDepsAreArrayDev(deps); return mountImperativeHandle(ref, create, deps); }, useInsertionEffect: function(create, deps) { currentHookNameInDev = "useInsertionEffect"; mountHookTypesDev(); checkDepsAreArrayDev(deps); return mountInsertionEffect(create, deps); }, useLayoutEffect: function(create, deps) { currentHookNameInDev = "useLayoutEffect"; mountHookTypesDev(); checkDepsAreArrayDev(deps); return mountLayoutEffect(create, deps); }, useMemo: function(create, deps) { currentHookNameInDev = "useMemo"; mountHookTypesDev(); checkDepsAreArrayDev(deps); var prevDispatcher = ReactCurrentDispatcher$1.current; ReactCurrentDispatcher$1.current = InvalidNestedHooksDispatcherOnMountInDEV; try { return mountMemo(create, deps); } finally{ ReactCurrentDispatcher$1.current = prevDispatcher; } }, useReducer: function(reducer, initialArg, init) { currentHookNameInDev = "useReducer"; mountHookTypesDev(); var prevDispatcher = ReactCurrentDispatcher$1.current; ReactCurrentDispatcher$1.current = InvalidNestedHooksDispatcherOnMountInDEV; try { return mountReducer(reducer, initialArg, init); } finally{ ReactCurrentDispatcher$1.current = prevDispatcher; } }, useRef: function(initialValue) { currentHookNameInDev = "useRef"; mountHookTypesDev(); return mountRef(initialValue); }, useState: function(initialState) { currentHookNameInDev = "useState"; mountHookTypesDev(); var prevDispatcher = ReactCurrentDispatcher$1.current; ReactCurrentDispatcher$1.current = InvalidNestedHooksDispatcherOnMountInDEV; try { return mountState(initialState); } finally{ ReactCurrentDispatcher$1.current = prevDispatcher; } }, useDebugValue: function(value, formatterFn) { currentHookNameInDev = "useDebugValue"; mountHookTypesDev(); return mountDebugValue(); }, useDeferredValue: function(value) { currentHookNameInDev = "useDeferredValue"; mountHookTypesDev(); return mountDeferredValue(value); }, useTransition: function() { currentHookNameInDev = "useTransition"; mountHookTypesDev(); return mountTransition(); }, useMutableSource: function(source, getSnapshot, subscribe) { currentHookNameInDev = "useMutableSource"; mountHookTypesDev(); return mountMutableSource(); }, useSyncExternalStore: function(subscribe, getSnapshot, getServerSnapshot) { currentHookNameInDev = "useSyncExternalStore"; mountHookTypesDev(); return mountSyncExternalStore(subscribe, getSnapshot, getServerSnapshot); }, useId: function() { currentHookNameInDev = "useId"; mountHookTypesDev(); return mountId(); }, unstable_isNewReconciler: enableNewReconciler }; HooksDispatcherOnMountWithHookTypesInDEV = { readContext: function(context) { return readContext(context); }, useCallback: function(callback, deps) { currentHookNameInDev = "useCallback"; updateHookTypesDev(); return mountCallback(callback, deps); }, useContext: function(context) { currentHookNameInDev = "useContext"; updateHookTypesDev(); return readContext(context); }, useEffect: function(create, deps) { currentHookNameInDev = "useEffect"; updateHookTypesDev(); return mountEffect(create, deps); }, useImperativeHandle: function(ref, create, deps) { currentHookNameInDev = "useImperativeHandle"; updateHookTypesDev(); return mountImperativeHandle(ref, create, deps); }, useInsertionEffect: function(create, deps) { currentHookNameInDev = "useInsertionEffect"; updateHookTypesDev(); return mountInsertionEffect(create, deps); }, useLayoutEffect: function(create, deps) { currentHookNameInDev = "useLayoutEffect"; updateHookTypesDev(); return mountLayoutEffect(create, deps); }, useMemo: function(create, deps) { currentHookNameInDev = "useMemo"; updateHookTypesDev(); var prevDispatcher = ReactCurrentDispatcher$1.current; ReactCurrentDispatcher$1.current = InvalidNestedHooksDispatcherOnMountInDEV; try { return mountMemo(create, deps); } finally{ ReactCurrentDispatcher$1.current = prevDispatcher; } }, useReducer: function(reducer, initialArg, init) { currentHookNameInDev = "useReducer"; updateHookTypesDev(); var prevDispatcher = ReactCurrentDispatcher$1.current; ReactCurrentDispatcher$1.current = InvalidNestedHooksDispatcherOnMountInDEV; try { return mountReducer(reducer, initialArg, init); } finally{ ReactCurrentDispatcher$1.current = prevDispatcher; } }, useRef: function(initialValue) { currentHookNameInDev = "useRef"; updateHookTypesDev(); return mountRef(initialValue); }, useState: function(initialState) { currentHookNameInDev = "useState"; updateHookTypesDev(); var prevDispatcher = ReactCurrentDispatcher$1.current; ReactCurrentDispatcher$1.current = InvalidNestedHooksDispatcherOnMountInDEV; try { return mountState(initialState); } finally{ ReactCurrentDispatcher$1.current = prevDispatcher; } }, useDebugValue: function(value, formatterFn) { currentHookNameInDev = "useDebugValue"; updateHookTypesDev(); return mountDebugValue(); }, useDeferredValue: function(value) { currentHookNameInDev = "useDeferredValue"; updateHookTypesDev(); return mountDeferredValue(value); }, useTransition: function() { currentHookNameInDev = "useTransition"; updateHookTypesDev(); return mountTransition(); }, useMutableSource: function(source, getSnapshot, subscribe) { currentHookNameInDev = "useMutableSource"; updateHookTypesDev(); return mountMutableSource(); }, useSyncExternalStore: function(subscribe, getSnapshot, getServerSnapshot) { currentHookNameInDev = "useSyncExternalStore"; updateHookTypesDev(); return mountSyncExternalStore(subscribe, getSnapshot, getServerSnapshot); }, useId: function() { currentHookNameInDev = "useId"; updateHookTypesDev(); return mountId(); }, unstable_isNewReconciler: enableNewReconciler }; HooksDispatcherOnUpdateInDEV = { readContext: function(context) { return readContext(context); }, useCallback: function(callback, deps) { currentHookNameInDev = "useCallback"; updateHookTypesDev(); return updateCallback(callback, deps); }, useContext: function(context) { currentHookNameInDev = "useContext"; updateHookTypesDev(); return readContext(context); }, useEffect: function(create, deps) { currentHookNameInDev = "useEffect"; updateHookTypesDev(); return updateEffect(create, deps); }, useImperativeHandle: function(ref, create, deps) { currentHookNameInDev = "useImperativeHandle"; updateHookTypesDev(); return updateImperativeHandle(ref, create, deps); }, useInsertionEffect: function(create, deps) { currentHookNameInDev = "useInsertionEffect"; updateHookTypesDev(); return updateInsertionEffect(create, deps); }, useLayoutEffect: function(create, deps) { currentHookNameInDev = "useLayoutEffect"; updateHookTypesDev(); return updateLayoutEffect(create, deps); }, useMemo: function(create, deps) { currentHookNameInDev = "useMemo"; updateHookTypesDev(); var prevDispatcher = ReactCurrentDispatcher$1.current; ReactCurrentDispatcher$1.current = InvalidNestedHooksDispatcherOnUpdateInDEV; try { return updateMemo(create, deps); } finally{ ReactCurrentDispatcher$1.current = prevDispatcher; } }, useReducer: function(reducer, initialArg, init) { currentHookNameInDev = "useReducer"; updateHookTypesDev(); var prevDispatcher = ReactCurrentDispatcher$1.current; ReactCurrentDispatcher$1.current = InvalidNestedHooksDispatcherOnUpdateInDEV; try { return updateReducer(reducer, initialArg, init); } finally{ ReactCurrentDispatcher$1.current = prevDispatcher; } }, useRef: function(initialValue) { currentHookNameInDev = "useRef"; updateHookTypesDev(); return updateRef(); }, useState: function(initialState) { currentHookNameInDev = "useState"; updateHookTypesDev(); var prevDispatcher = ReactCurrentDispatcher$1.current; ReactCurrentDispatcher$1.current = InvalidNestedHooksDispatcherOnUpdateInDEV; try { return updateState(initialState); } finally{ ReactCurrentDispatcher$1.current = prevDispatcher; } }, useDebugValue: function(value, formatterFn) { currentHookNameInDev = "useDebugValue"; updateHookTypesDev(); return updateDebugValue(); }, useDeferredValue: function(value) { currentHookNameInDev = "useDeferredValue"; updateHookTypesDev(); return updateDeferredValue(value); }, useTransition: function() { currentHookNameInDev = "useTransition"; updateHookTypesDev(); return updateTransition(); }, useMutableSource: function(source, getSnapshot, subscribe) { currentHookNameInDev = "useMutableSource"; updateHookTypesDev(); return updateMutableSource(); }, useSyncExternalStore: function(subscribe, getSnapshot, getServerSnapshot) { currentHookNameInDev = "useSyncExternalStore"; updateHookTypesDev(); return updateSyncExternalStore(subscribe, getSnapshot); }, useId: function() { currentHookNameInDev = "useId"; updateHookTypesDev(); return updateId(); }, unstable_isNewReconciler: enableNewReconciler }; HooksDispatcherOnRerenderInDEV = { readContext: function(context) { return readContext(context); }, useCallback: function(callback, deps) { currentHookNameInDev = "useCallback"; updateHookTypesDev(); return updateCallback(callback, deps); }, useContext: function(context) { currentHookNameInDev = "useContext"; updateHookTypesDev(); return readContext(context); }, useEffect: function(create, deps) { currentHookNameInDev = "useEffect"; updateHookTypesDev(); return updateEffect(create, deps); }, useImperativeHandle: function(ref, create, deps) { currentHookNameInDev = "useImperativeHandle"; updateHookTypesDev(); return updateImperativeHandle(ref, create, deps); }, useInsertionEffect: function(create, deps) { currentHookNameInDev = "useInsertionEffect"; updateHookTypesDev(); return updateInsertionEffect(create, deps); }, useLayoutEffect: function(create, deps) { currentHookNameInDev = "useLayoutEffect"; updateHookTypesDev(); return updateLayoutEffect(create, deps); }, useMemo: function(create, deps) { currentHookNameInDev = "useMemo"; updateHookTypesDev(); var prevDispatcher = ReactCurrentDispatcher$1.current; ReactCurrentDispatcher$1.current = InvalidNestedHooksDispatcherOnRerenderInDEV; try { return updateMemo(create, deps); } finally{ ReactCurrentDispatcher$1.current = prevDispatcher; } }, useReducer: function(reducer, initialArg, init) { currentHookNameInDev = "useReducer"; updateHookTypesDev(); var prevDispatcher = ReactCurrentDispatcher$1.current; ReactCurrentDispatcher$1.current = InvalidNestedHooksDispatcherOnRerenderInDEV; try { return rerenderReducer(reducer, initialArg, init); } finally{ ReactCurrentDispatcher$1.current = prevDispatcher; } }, useRef: function(initialValue) { currentHookNameInDev = "useRef"; updateHookTypesDev(); return updateRef(); }, useState: function(initialState) { currentHookNameInDev = "useState"; updateHookTypesDev(); var prevDispatcher = ReactCurrentDispatcher$1.current; ReactCurrentDispatcher$1.current = InvalidNestedHooksDispatcherOnRerenderInDEV; try { return rerenderState(initialState); } finally{ ReactCurrentDispatcher$1.current = prevDispatcher; } }, useDebugValue: function(value, formatterFn) { currentHookNameInDev = "useDebugValue"; updateHookTypesDev(); return updateDebugValue(); }, useDeferredValue: function(value) { currentHookNameInDev = "useDeferredValue"; updateHookTypesDev(); return rerenderDeferredValue(value); }, useTransition: function() { currentHookNameInDev = "useTransition"; updateHookTypesDev(); return rerenderTransition(); }, useMutableSource: function(source, getSnapshot, subscribe) { currentHookNameInDev = "useMutableSource"; updateHookTypesDev(); return updateMutableSource(); }, useSyncExternalStore: function(subscribe, getSnapshot, getServerSnapshot) { currentHookNameInDev = "useSyncExternalStore"; updateHookTypesDev(); return updateSyncExternalStore(subscribe, getSnapshot); }, useId: function() { currentHookNameInDev = "useId"; updateHookTypesDev(); return updateId(); }, unstable_isNewReconciler: enableNewReconciler }; InvalidNestedHooksDispatcherOnMountInDEV = { readContext: function(context) { warnInvalidContextAccess(); return readContext(context); }, useCallback: function(callback, deps) { currentHookNameInDev = "useCallback"; warnInvalidHookAccess(); mountHookTypesDev(); return mountCallback(callback, deps); }, useContext: function(context) { currentHookNameInDev = "useContext"; warnInvalidHookAccess(); mountHookTypesDev(); return readContext(context); }, useEffect: function(create, deps) { currentHookNameInDev = "useEffect"; warnInvalidHookAccess(); mountHookTypesDev(); return mountEffect(create, deps); }, useImperativeHandle: function(ref, create, deps) { currentHookNameInDev = "useImperativeHandle"; warnInvalidHookAccess(); mountHookTypesDev(); return mountImperativeHandle(ref, create, deps); }, useInsertionEffect: function(create, deps) { currentHookNameInDev = "useInsertionEffect"; warnInvalidHookAccess(); mountHookTypesDev(); return mountInsertionEffect(create, deps); }, useLayoutEffect: function(create, deps) { currentHookNameInDev = "useLayoutEffect"; warnInvalidHookAccess(); mountHookTypesDev(); return mountLayoutEffect(create, deps); }, useMemo: function(create, deps) { currentHookNameInDev = "useMemo"; warnInvalidHookAccess(); mountHookTypesDev(); var prevDispatcher = ReactCurrentDispatcher$1.current; ReactCurrentDispatcher$1.current = InvalidNestedHooksDispatcherOnMountInDEV; try { return mountMemo(create, deps); } finally{ ReactCurrentDispatcher$1.current = prevDispatcher; } }, useReducer: function(reducer, initialArg, init) { currentHookNameInDev = "useReducer"; warnInvalidHookAccess(); mountHookTypesDev(); var prevDispatcher = ReactCurrentDispatcher$1.current; ReactCurrentDispatcher$1.current = InvalidNestedHooksDispatcherOnMountInDEV; try { return mountReducer(reducer, initialArg, init); } finally{ ReactCurrentDispatcher$1.current = prevDispatcher; } }, useRef: function(initialValue) { currentHookNameInDev = "useRef"; warnInvalidHookAccess(); mountHookTypesDev(); return mountRef(initialValue); }, useState: function(initialState) { currentHookNameInDev = "useState"; warnInvalidHookAccess(); mountHookTypesDev(); var prevDispatcher = ReactCurrentDispatcher$1.current; ReactCurrentDispatcher$1.current = InvalidNestedHooksDispatcherOnMountInDEV; try { return mountState(initialState); } finally{ ReactCurrentDispatcher$1.current = prevDispatcher; } }, useDebugValue: function(value, formatterFn) { currentHookNameInDev = "useDebugValue"; warnInvalidHookAccess(); mountHookTypesDev(); return mountDebugValue(); }, useDeferredValue: function(value) { currentHookNameInDev = "useDeferredValue"; warnInvalidHookAccess(); mountHookTypesDev(); return mountDeferredValue(value); }, useTransition: function() { currentHookNameInDev = "useTransition"; warnInvalidHookAccess(); mountHookTypesDev(); return mountTransition(); }, useMutableSource: function(source, getSnapshot, subscribe) { currentHookNameInDev = "useMutableSource"; warnInvalidHookAccess(); mountHookTypesDev(); return mountMutableSource(); }, useSyncExternalStore: function(subscribe, getSnapshot, getServerSnapshot) { currentHookNameInDev = "useSyncExternalStore"; warnInvalidHookAccess(); mountHookTypesDev(); return mountSyncExternalStore(subscribe, getSnapshot, getServerSnapshot); }, useId: function() { currentHookNameInDev = "useId"; warnInvalidHookAccess(); mountHookTypesDev(); return mountId(); }, unstable_isNewReconciler: enableNewReconciler }; InvalidNestedHooksDispatcherOnUpdateInDEV = { readContext: function(context) { warnInvalidContextAccess(); return readContext(context); }, useCallback: function(callback, deps) { currentHookNameInDev = "useCallback"; warnInvalidHookAccess(); updateHookTypesDev(); return updateCallback(callback, deps); }, useContext: function(context) { currentHookNameInDev = "useContext"; warnInvalidHookAccess(); updateHookTypesDev(); return readContext(context); }, useEffect: function(create, deps) { currentHookNameInDev = "useEffect"; warnInvalidHookAccess(); updateHookTypesDev(); return updateEffect(create, deps); }, useImperativeHandle: function(ref, create, deps) { currentHookNameInDev = "useImperativeHandle"; warnInvalidHookAccess(); updateHookTypesDev(); return updateImperativeHandle(ref, create, deps); }, useInsertionEffect: function(create, deps) { currentHookNameInDev = "useInsertionEffect"; warnInvalidHookAccess(); updateHookTypesDev(); return updateInsertionEffect(create, deps); }, useLayoutEffect: function(create, deps) { currentHookNameInDev = "useLayoutEffect"; warnInvalidHookAccess(); updateHookTypesDev(); return updateLayoutEffect(create, deps); }, useMemo: function(create, deps) { currentHookNameInDev = "useMemo"; warnInvalidHookAccess(); updateHookTypesDev(); var prevDispatcher = ReactCurrentDispatcher$1.current; ReactCurrentDispatcher$1.current = InvalidNestedHooksDispatcherOnUpdateInDEV; try { return updateMemo(create, deps); } finally{ ReactCurrentDispatcher$1.current = prevDispatcher; } }, useReducer: function(reducer, initialArg, init) { currentHookNameInDev = "useReducer"; warnInvalidHookAccess(); updateHookTypesDev(); var prevDispatcher = ReactCurrentDispatcher$1.current; ReactCurrentDispatcher$1.current = InvalidNestedHooksDispatcherOnUpdateInDEV; try { return updateReducer(reducer, initialArg, init); } finally{ ReactCurrentDispatcher$1.current = prevDispatcher; } }, useRef: function(initialValue) { currentHookNameInDev = "useRef"; warnInvalidHookAccess(); updateHookTypesDev(); return updateRef(); }, useState: function(initialState) { currentHookNameInDev = "useState"; warnInvalidHookAccess(); updateHookTypesDev(); var prevDispatcher = ReactCurrentDispatcher$1.current; ReactCurrentDispatcher$1.current = InvalidNestedHooksDispatcherOnUpdateInDEV; try { return updateState(initialState); } finally{ ReactCurrentDispatcher$1.current = prevDispatcher; } }, useDebugValue: function(value, formatterFn) { currentHookNameInDev = "useDebugValue"; warnInvalidHookAccess(); updateHookTypesDev(); return updateDebugValue(); }, useDeferredValue: function(value) { currentHookNameInDev = "useDeferredValue"; warnInvalidHookAccess(); updateHookTypesDev(); return updateDeferredValue(value); }, useTransition: function() { currentHookNameInDev = "useTransition"; warnInvalidHookAccess(); updateHookTypesDev(); return updateTransition(); }, useMutableSource: function(source, getSnapshot, subscribe) { currentHookNameInDev = "useMutableSource"; warnInvalidHookAccess(); updateHookTypesDev(); return updateMutableSource(); }, useSyncExternalStore: function(subscribe, getSnapshot, getServerSnapshot) { currentHookNameInDev = "useSyncExternalStore"; warnInvalidHookAccess(); updateHookTypesDev(); return updateSyncExternalStore(subscribe, getSnapshot); }, useId: function() { currentHookNameInDev = "useId"; warnInvalidHookAccess(); updateHookTypesDev(); return updateId(); }, unstable_isNewReconciler: enableNewReconciler }; InvalidNestedHooksDispatcherOnRerenderInDEV = { readContext: function(context) { warnInvalidContextAccess(); return readContext(context); }, useCallback: function(callback, deps) { currentHookNameInDev = "useCallback"; warnInvalidHookAccess(); updateHookTypesDev(); return updateCallback(callback, deps); }, useContext: function(context) { currentHookNameInDev = "useContext"; warnInvalidHookAccess(); updateHookTypesDev(); return readContext(context); }, useEffect: function(create, deps) { currentHookNameInDev = "useEffect"; warnInvalidHookAccess(); updateHookTypesDev(); return updateEffect(create, deps); }, useImperativeHandle: function(ref, create, deps) { currentHookNameInDev = "useImperativeHandle"; warnInvalidHookAccess(); updateHookTypesDev(); return updateImperativeHandle(ref, create, deps); }, useInsertionEffect: function(create, deps) { currentHookNameInDev = "useInsertionEffect"; warnInvalidHookAccess(); updateHookTypesDev(); return updateInsertionEffect(create, deps); }, useLayoutEffect: function(create, deps) { currentHookNameInDev = "useLayoutEffect"; warnInvalidHookAccess(); updateHookTypesDev(); return updateLayoutEffect(create, deps); }, useMemo: function(create, deps) { currentHookNameInDev = "useMemo"; warnInvalidHookAccess(); updateHookTypesDev(); var prevDispatcher = ReactCurrentDispatcher$1.current; ReactCurrentDispatcher$1.current = InvalidNestedHooksDispatcherOnUpdateInDEV; try { return updateMemo(create, deps); } finally{ ReactCurrentDispatcher$1.current = prevDispatcher; } }, useReducer: function(reducer, initialArg, init) { currentHookNameInDev = "useReducer"; warnInvalidHookAccess(); updateHookTypesDev(); var prevDispatcher = ReactCurrentDispatcher$1.current; ReactCurrentDispatcher$1.current = InvalidNestedHooksDispatcherOnUpdateInDEV; try { return rerenderReducer(reducer, initialArg, init); } finally{ ReactCurrentDispatcher$1.current = prevDispatcher; } }, useRef: function(initialValue) { currentHookNameInDev = "useRef"; warnInvalidHookAccess(); updateHookTypesDev(); return updateRef(); }, useState: function(initialState) { currentHookNameInDev = "useState"; warnInvalidHookAccess(); updateHookTypesDev(); var prevDispatcher = ReactCurrentDispatcher$1.current; ReactCurrentDispatcher$1.current = InvalidNestedHooksDispatcherOnUpdateInDEV; try { return rerenderState(initialState); } finally{ ReactCurrentDispatcher$1.current = prevDispatcher; } }, useDebugValue: function(value, formatterFn) { currentHookNameInDev = "useDebugValue"; warnInvalidHookAccess(); updateHookTypesDev(); return updateDebugValue(); }, useDeferredValue: function(value) { currentHookNameInDev = "useDeferredValue"; warnInvalidHookAccess(); updateHookTypesDev(); return rerenderDeferredValue(value); }, useTransition: function() { currentHookNameInDev = "useTransition"; warnInvalidHookAccess(); updateHookTypesDev(); return rerenderTransition(); }, useMutableSource: function(source, getSnapshot, subscribe) { currentHookNameInDev = "useMutableSource"; warnInvalidHookAccess(); updateHookTypesDev(); return updateMutableSource(); }, useSyncExternalStore: function(subscribe, getSnapshot, getServerSnapshot) { currentHookNameInDev = "useSyncExternalStore"; warnInvalidHookAccess(); updateHookTypesDev(); return updateSyncExternalStore(subscribe, getSnapshot); }, useId: function() { currentHookNameInDev = "useId"; warnInvalidHookAccess(); updateHookTypesDev(); return updateId(); }, unstable_isNewReconciler: enableNewReconciler }; var now$1 = Scheduler.unstable_now; var commitTime = 0; var layoutEffectStartTime = -1; var profilerStartTime = -1; var passiveEffectStartTime = -1; /** * Tracks whether the current update was a nested/cascading update (scheduled from a layout effect). * * The overall sequence is: * 1. render * 2. commit (and call `onRender`, `onCommit`) * 3. check for nested updates * 4. flush passive effects (and call `onPostCommit`) * * Nested updates are identified in step 3 above, * but step 4 still applies to the work that was just committed. * We use two flags to track nested updates then: * one tracks whether the upcoming update is a nested update, * and the other tracks whether the current update was a nested update. * The first value gets synced to the second at the start of the render phase. */ var currentUpdateIsNested = false; var nestedUpdateScheduled = false; function isCurrentUpdateNested() { return currentUpdateIsNested; } function markNestedUpdateScheduled() { nestedUpdateScheduled = true; } function resetNestedUpdateFlag() { currentUpdateIsNested = false; nestedUpdateScheduled = false; } function syncNestedUpdateFlag() { currentUpdateIsNested = nestedUpdateScheduled; nestedUpdateScheduled = false; } function getCommitTime() { return commitTime; } function recordCommitTime() { commitTime = now$1(); } function startProfilerTimer(fiber) { profilerStartTime = now$1(); if (fiber.actualStartTime < 0) fiber.actualStartTime = now$1(); } function stopProfilerTimerIfRunning(fiber) { profilerStartTime = -1; } function stopProfilerTimerIfRunningAndRecordDelta(fiber, overrideBaseTime) { if (profilerStartTime >= 0) { var elapsedTime = now$1() - profilerStartTime; fiber.actualDuration += elapsedTime; if (overrideBaseTime) fiber.selfBaseDuration = elapsedTime; profilerStartTime = -1; } } function recordLayoutEffectDuration(fiber) { if (layoutEffectStartTime >= 0) { var elapsedTime = now$1() - layoutEffectStartTime; layoutEffectStartTime = -1; // Store duration on the next nearest Profiler ancestor // Or the root (for the DevTools Profiler to read) var parentFiber = fiber.return; while(parentFiber !== null){ switch(parentFiber.tag){ case HostRoot: var root = parentFiber.stateNode; root.effectDuration += elapsedTime; return; case Profiler: var parentStateNode = parentFiber.stateNode; parentStateNode.effectDuration += elapsedTime; return; } parentFiber = parentFiber.return; } } } function recordPassiveEffectDuration(fiber) { if (passiveEffectStartTime >= 0) { var elapsedTime = now$1() - passiveEffectStartTime; passiveEffectStartTime = -1; // Store duration on the next nearest Profiler ancestor // Or the root (for the DevTools Profiler to read) var parentFiber = fiber.return; while(parentFiber !== null){ switch(parentFiber.tag){ case HostRoot: var root = parentFiber.stateNode; if (root !== null) root.passiveEffectDuration += elapsedTime; return; case Profiler: var parentStateNode = parentFiber.stateNode; if (parentStateNode !== null) // Detached fibers have their state node cleared out. // In this case, the return pointer is also cleared out, // so we won't be able to report the time spent in this Profiler's subtree. parentStateNode.passiveEffectDuration += elapsedTime; return; } parentFiber = parentFiber.return; } } } function startLayoutEffectTimer() { layoutEffectStartTime = now$1(); } function startPassiveEffectTimer() { passiveEffectStartTime = now$1(); } function transferActualDuration(fiber) { // Transfer time spent rendering these children so we don't lose it // after we rerender. This is used as a helper in special cases // where we should count the work of multiple passes. var child = fiber.child; while(child){ fiber.actualDuration += child.actualDuration; child = child.sibling; } } function createCapturedValueAtFiber(value, source) { // If the value is an error, call this function immediately after it is thrown // so the stack is accurate. return { value: value, source: source, stack: getStackByFiberInDevAndProd(source), digest: null }; } function createCapturedValue(value, digest, stack) { return { value: value, source: null, stack: stack != null ? stack : null, digest: digest != null ? digest : null }; } // This module is forked in different environments. // By default, return `true` to log errors to the console. // Forks can return `false` if this isn't desirable. function showErrorDialog(boundary, errorInfo) { return true; } function logCapturedError(boundary, errorInfo) { try { var logError = showErrorDialog(boundary, errorInfo); // Allow injected showErrorDialog() to prevent default console.error logging. // This enables renderers like ReactNative to better manage redbox behavior. if (logError === false) return; var error = errorInfo.value; var source = errorInfo.source; var stack = errorInfo.stack; var componentStack = stack !== null ? stack : ""; // Browsers support silencing uncaught errors by calling // `preventDefault()` in window `error` handler. // We record this information as an expando on the error. if (error != null && error._suppressLogging) { if (boundary.tag === ClassComponent) // The error is recoverable and was silenced. // Ignore it and don't print the stack addendum. // This is handy for testing error boundaries without noise. return; // The error is fatal. Since the silencing might have // been accidental, we'll surface it anyway. // However, the browser would have silenced the original error // so we'll print it first, and then print the stack addendum. console["error"](error); // Don't transform to our wrapper // For a more detailed description of this block, see: // https://github.com/facebook/react/pull/13384 } var componentName = source ? getComponentNameFromFiber(source) : null; var componentNameMessage = componentName ? "The above error occurred in the <" + componentName + "> component:" : "The above error occurred in one of your React components:"; var errorBoundaryMessage; if (boundary.tag === HostRoot) errorBoundaryMessage = "Consider adding an error boundary to your tree to customize error handling behavior.\nVisit https://reactjs.org/link/error-boundaries to learn more about error boundaries."; else { var errorBoundaryName = getComponentNameFromFiber(boundary) || "Anonymous"; errorBoundaryMessage = "React will try to recreate this component tree from scratch " + ("using the error boundary you provided, " + errorBoundaryName + "."); } var combinedMessage = componentNameMessage + "\n" + componentStack + "\n\n" + ("" + errorBoundaryMessage); // In development, we provide our own message with just the component stack. // We don't include the original error message and JS stack because the browser // has already printed it. Even if the application swallows the error, it is still // displayed by the browser thanks to the DEV-only fake event trick in ReactErrorUtils. console["error"](combinedMessage); // Don't transform to our wrapper } catch (e) { // This method must not throw, or React internal state will get messed up. // If console.error is overridden, or logCapturedError() shows a dialog that throws, // we want to report this error outside of the normal stack as a last resort. // https://github.com/facebook/react/issues/13188 setTimeout(function() { throw e; }); } } var PossiblyWeakMap$1 = typeof WeakMap === "function" ? WeakMap : Map; function createRootErrorUpdate(fiber, errorInfo, lane) { var update = createUpdate(NoTimestamp, lane); // Unmount the root by rendering null. update.tag = CaptureUpdate; // Caution: React DevTools currently depends on this property // being called "element". update.payload = { element: null }; var error = errorInfo.value; update.callback = function() { onUncaughtError(error); logCapturedError(fiber, errorInfo); }; return update; } function createClassErrorUpdate(fiber, errorInfo, lane) { var update = createUpdate(NoTimestamp, lane); update.tag = CaptureUpdate; var getDerivedStateFromError = fiber.type.getDerivedStateFromError; if (typeof getDerivedStateFromError === "function") { var error$1 = errorInfo.value; update.payload = function() { return getDerivedStateFromError(error$1); }; update.callback = function() { markFailedErrorBoundaryForHotReloading(fiber); logCapturedError(fiber, errorInfo); }; } var inst = fiber.stateNode; if (inst !== null && typeof inst.componentDidCatch === "function") update.callback = function callback() { markFailedErrorBoundaryForHotReloading(fiber); logCapturedError(fiber, errorInfo); if (typeof getDerivedStateFromError !== "function") // To preserve the preexisting retry behavior of error boundaries, // we keep track of which ones already failed during this batch. // This gets reset before we yield back to the browser. // TODO: Warn in strict mode if getDerivedStateFromError is // not defined. markLegacyErrorBoundaryAsFailed(this); var error$1 = errorInfo.value; var stack = errorInfo.stack; this.componentDidCatch(error$1, { componentStack: stack !== null ? stack : "" }); if (typeof getDerivedStateFromError !== "function") // If componentDidCatch is the only error boundary method defined, // then it needs to call setState to recover from errors. // If no state update is scheduled then the boundary will swallow the error. { if (!includesSomeLane(fiber.lanes, SyncLane)) error("%s: Error boundaries should implement getDerivedStateFromError(). In that method, return a state update to display an error message or fallback UI.", getComponentNameFromFiber(fiber) || "Unknown"); } }; return update; } function attachPingListener(root, wakeable, lanes) { // Attach a ping listener // // The data might resolve before we have a chance to commit the fallback. Or, // in the case of a refresh, we'll never commit a fallback. So we need to // attach a listener now. When it resolves ("pings"), we can decide whether to // try rendering the tree again. // // Only attach a listener if one does not already exist for the lanes // we're currently rendering (which acts like a "thread ID" here). // // We only need to do this in concurrent mode. Legacy Suspense always // commits fallbacks synchronously, so there are no pings. var pingCache = root.pingCache; var threadIDs; if (pingCache === null) { pingCache = root.pingCache = new PossiblyWeakMap$1(); threadIDs = new Set(); pingCache.set(wakeable, threadIDs); } else { threadIDs = pingCache.get(wakeable); if (threadIDs === undefined) { threadIDs = new Set(); pingCache.set(wakeable, threadIDs); } } if (!threadIDs.has(lanes)) { // Memoize using the thread ID to prevent redundant listeners. threadIDs.add(lanes); var ping = pingSuspendedRoot.bind(null, root, wakeable, lanes); if (isDevToolsPresent) // If we have pending work still, restore the original updaters restorePendingUpdaters(root, lanes); wakeable.then(ping, ping); } } function attachRetryListener(suspenseBoundary, root, wakeable, lanes) { // Retry listener // // If the fallback does commit, we need to attach a different type of // listener. This one schedules an update on the Suspense boundary to turn // the fallback state off. // // Stash the wakeable on the boundary fiber so we can access it in the // commit phase. // // When the wakeable resolves, we'll attempt to render the boundary // again ("retry"). var wakeables = suspenseBoundary.updateQueue; if (wakeables === null) { var updateQueue = new Set(); updateQueue.add(wakeable); suspenseBoundary.updateQueue = updateQueue; } else wakeables.add(wakeable); } function resetSuspendedComponent(sourceFiber, rootRenderLanes) { // A legacy mode Suspense quirk, only relevant to hook components. var tag = sourceFiber.tag; if ((sourceFiber.mode & ConcurrentMode) === NoMode && (tag === FunctionComponent || tag === ForwardRef || tag === SimpleMemoComponent)) { var currentSource = sourceFiber.alternate; if (currentSource) { sourceFiber.updateQueue = currentSource.updateQueue; sourceFiber.memoizedState = currentSource.memoizedState; sourceFiber.lanes = currentSource.lanes; } else { sourceFiber.updateQueue = null; sourceFiber.memoizedState = null; } } } function getNearestSuspenseBoundaryToCapture(returnFiber) { var node = returnFiber; do { if (node.tag === SuspenseComponent && shouldCaptureSuspense(node)) return node; // This boundary already captured during this render. Continue to the next // boundary. node = node.return; }while (node !== null); return null; } function markSuspenseBoundaryShouldCapture(suspenseBoundary, returnFiber, sourceFiber, root, rootRenderLanes) { // This marks a Suspense boundary so that when we're unwinding the stack, // it captures the suspended "exception" and does a second (fallback) pass. if ((suspenseBoundary.mode & ConcurrentMode) === NoMode) { // Legacy Mode Suspense // // If the boundary is in legacy mode, we should *not* // suspend the commit. Pretend as if the suspended component rendered // null and keep rendering. When the Suspense boundary completes, // we'll do a second pass to render the fallback. if (suspenseBoundary === returnFiber) // Special case where we suspended while reconciling the children of // a Suspense boundary's inner Offscreen wrapper fiber. This happens // when a React.lazy component is a direct child of a // Suspense boundary. // // Suspense boundaries are implemented as multiple fibers, but they // are a single conceptual unit. The legacy mode behavior where we // pretend the suspended fiber committed as `null` won't work, // because in this case the "suspended" fiber is the inner // Offscreen wrapper. // // Because the contents of the boundary haven't started rendering // yet (i.e. nothing in the tree has partially rendered) we can // switch to the regular, concurrent mode behavior: mark the // boundary with ShouldCapture and enter the unwind phase. suspenseBoundary.flags |= ShouldCapture; else { suspenseBoundary.flags |= DidCapture; sourceFiber.flags |= ForceUpdateForLegacySuspense; // We're going to commit this fiber even though it didn't complete. // But we shouldn't call any lifecycle methods or callbacks. Remove // all lifecycle effect tags. sourceFiber.flags &= ~(LifecycleEffectMask | Incomplete); if (sourceFiber.tag === ClassComponent) { var currentSourceFiber = sourceFiber.alternate; if (currentSourceFiber === null) // This is a new mount. Change the tag so it's not mistaken for a // completed class component. For example, we should not call // componentWillUnmount if it is deleted. sourceFiber.tag = IncompleteClassComponent; else { // When we try rendering again, we should not reuse the current fiber, // since it's known to be in an inconsistent state. Use a force update to // prevent a bail out. var update = createUpdate(NoTimestamp, SyncLane); update.tag = ForceUpdate; enqueueUpdate(sourceFiber, update, SyncLane); } } // The source fiber did not complete. Mark it with Sync priority to // indicate that it still has pending work. sourceFiber.lanes = mergeLanes(sourceFiber.lanes, SyncLane); } return suspenseBoundary; } // Confirmed that the boundary is in a concurrent mode tree. Continue // with the normal suspend path. // // After this we'll use a set of heuristics to determine whether this // render pass will run to completion or restart or "suspend" the commit. // The actual logic for this is spread out in different places. // // This first principle is that if we're going to suspend when we complete // a root, then we should also restart if we get an update or ping that // might unsuspend it, and vice versa. The only reason to suspend is // because you think you might want to restart before committing. However, // it doesn't make sense to restart only while in the period we're suspended. // // Restarting too aggressively is also not good because it starves out any // intermediate loading state. So we use heuristics to determine when. // Suspense Heuristics // // If nothing threw a Promise or all the same fallbacks are already showing, // then don't suspend/restart. // // If this is an initial render of a new tree of Suspense boundaries and // those trigger a fallback, then don't suspend/restart. We want to ensure // that we can show the initial loading state as quickly as possible. // // If we hit a "Delayed" case, such as when we'd switch from content back into // a fallback, then we should always suspend/restart. Transitions apply // to this case. If none is defined, JND is used instead. // // If we're already showing a fallback and it gets "retried", allowing us to show // another level, but there's still an inner boundary that would show a fallback, // then we suspend/restart for 500ms since the last time we showed a fallback // anywhere in the tree. This effectively throttles progressive loading into a // consistent train of commits. This also gives us an opportunity to restart to // get to the completed state slightly earlier. // // If there's ambiguity due to batching it's resolved in preference of: // 1) "delayed", 2) "initial render", 3) "retry". // // We want to ensure that a "busy" state doesn't get force committed. We want to // ensure that new initial loading states can commit as soon as possible. suspenseBoundary.flags |= ShouldCapture; // TODO: I think we can remove this, since we now use `DidCapture` in // the begin phase to prevent an early bailout. suspenseBoundary.lanes = rootRenderLanes; return suspenseBoundary; } function throwException(root, returnFiber, sourceFiber, value, rootRenderLanes) { // The source fiber did not complete. sourceFiber.flags |= Incomplete; if (isDevToolsPresent) // If we have pending work still, restore the original updaters restorePendingUpdaters(root, rootRenderLanes); if (value !== null && typeof value === "object" && typeof value.then === "function") { // This is a wakeable. The component suspended. var wakeable = value; resetSuspendedComponent(sourceFiber); if (getIsHydrating() && sourceFiber.mode & ConcurrentMode) markDidThrowWhileHydratingDEV(); var suspenseBoundary = getNearestSuspenseBoundaryToCapture(returnFiber); if (suspenseBoundary !== null) { suspenseBoundary.flags &= ~ForceClientRender; markSuspenseBoundaryShouldCapture(suspenseBoundary, returnFiber, sourceFiber, root, rootRenderLanes); // We only attach ping listeners in concurrent mode. Legacy Suspense always // commits fallbacks synchronously, so there are no pings. if (suspenseBoundary.mode & ConcurrentMode) attachPingListener(root, wakeable, rootRenderLanes); attachRetryListener(suspenseBoundary, root, wakeable); return; } else { // No boundary was found. Unless this is a sync update, this is OK. // We can suspend and wait for more data to arrive. if (!includesSyncLane(rootRenderLanes)) { // This is not a sync update. Suspend. Since we're not activating a // Suspense boundary, this will unwind all the way to the root without // performing a second pass to render a fallback. (This is arguably how // refresh transitions should work, too, since we're not going to commit // the fallbacks anyway.) // // This case also applies to initial hydration. attachPingListener(root, wakeable, rootRenderLanes); renderDidSuspendDelayIfPossible(); return; } // This is a sync/discrete update. We treat this case like an error // because discrete renders are expected to produce a complete tree // synchronously to maintain consistency with external state. var uncaughtSuspenseError = new Error("A component suspended while responding to synchronous input. This will cause the UI to be replaced with a loading indicator. To fix, updates that suspend should be wrapped with startTransition."); // If we're outside a transition, fall through to the regular error path. // The error will be caught by the nearest suspense boundary. value = uncaughtSuspenseError; } } else // This is a regular error, not a Suspense wakeable. if (getIsHydrating() && sourceFiber.mode & ConcurrentMode) { markDidThrowWhileHydratingDEV(); var _suspenseBoundary = getNearestSuspenseBoundaryToCapture(returnFiber); // If the error was thrown during hydration, we may be able to recover by // discarding the dehydrated content and switching to a client render. // Instead of surfacing the error, find the nearest Suspense boundary // and render it again without hydration. if (_suspenseBoundary !== null) { if ((_suspenseBoundary.flags & ShouldCapture) === NoFlags) // Set a flag to indicate that we should try rendering the normal // children again, not the fallback. _suspenseBoundary.flags |= ForceClientRender; markSuspenseBoundaryShouldCapture(_suspenseBoundary, returnFiber, sourceFiber, root, rootRenderLanes); // Even though the user may not be affected by this error, we should // still log it so it can be fixed. queueHydrationError(createCapturedValueAtFiber(value, sourceFiber)); return; } } value = createCapturedValueAtFiber(value, sourceFiber); renderDidError(value); // We didn't find a boundary that could handle this type of exception. Start // over and traverse parent path again, this time treating the exception // as an error. var workInProgress = returnFiber; do { switch(workInProgress.tag){ case HostRoot: var _errorInfo = value; workInProgress.flags |= ShouldCapture; var lane = pickArbitraryLane(rootRenderLanes); workInProgress.lanes = mergeLanes(workInProgress.lanes, lane); var update = createRootErrorUpdate(workInProgress, _errorInfo, lane); enqueueCapturedUpdate(workInProgress, update); return; case ClassComponent: // Capture and retry var errorInfo = value; var ctor = workInProgress.type; var instance = workInProgress.stateNode; if ((workInProgress.flags & DidCapture) === NoFlags && (typeof ctor.getDerivedStateFromError === "function" || instance !== null && typeof instance.componentDidCatch === "function" && !isAlreadyFailedLegacyErrorBoundary(instance))) { workInProgress.flags |= ShouldCapture; var _lane = pickArbitraryLane(rootRenderLanes); workInProgress.lanes = mergeLanes(workInProgress.lanes, _lane); // Schedule the error boundary to re-render using updated state var _update = createClassErrorUpdate(workInProgress, errorInfo, _lane); enqueueCapturedUpdate(workInProgress, _update); return; } break; } workInProgress = workInProgress.return; }while (workInProgress !== null); } function getSuspendedCache() { return null; } var ReactCurrentOwner$1 = ReactSharedInternals.ReactCurrentOwner; var didReceiveUpdate = false; var didWarnAboutBadClass; var didWarnAboutModulePatternComponent; var didWarnAboutContextTypeOnFunctionComponent; var didWarnAboutGetDerivedStateOnFunctionComponent; var didWarnAboutFunctionRefs; var didWarnAboutReassigningProps; var didWarnAboutRevealOrder; var didWarnAboutTailOptions; didWarnAboutBadClass = {}; didWarnAboutModulePatternComponent = {}; didWarnAboutContextTypeOnFunctionComponent = {}; didWarnAboutGetDerivedStateOnFunctionComponent = {}; didWarnAboutFunctionRefs = {}; didWarnAboutReassigningProps = false; didWarnAboutRevealOrder = {}; didWarnAboutTailOptions = {}; function reconcileChildren(current, workInProgress, nextChildren, renderLanes) { if (current === null) // If this is a fresh new component that hasn't been rendered yet, we // won't update its child set by applying minimal side-effects. Instead, // we will add them all to the child before it gets rendered. That means // we can optimize this reconciliation pass by not tracking side-effects. workInProgress.child = mountChildFibers(workInProgress, null, nextChildren, renderLanes); else // If the current child is the same as the work in progress, it means that // we haven't yet started any work on these children. Therefore, we use // the clone algorithm to create a copy of all the current children. // If we had any progressed work already, that is invalid at this point so // let's throw it out. workInProgress.child = reconcileChildFibers(workInProgress, current.child, nextChildren, renderLanes); } function forceUnmountCurrentAndReconcile(current, workInProgress, nextChildren, renderLanes) { // This function is fork of reconcileChildren. It's used in cases where we // want to reconcile without matching against the existing set. This has the // effect of all current children being unmounted; even if the type and key // are the same, the old child is unmounted and a new child is created. // // To do this, we're going to go through the reconcile algorithm twice. In // the first pass, we schedule a deletion for all the current children by // passing null. workInProgress.child = reconcileChildFibers(workInProgress, current.child, null, renderLanes); // In the second pass, we mount the new children. The trick here is that we // pass null in place of where we usually pass the current child set. This has // the effect of remounting all children regardless of whether their // identities match. workInProgress.child = reconcileChildFibers(workInProgress, null, nextChildren, renderLanes); } function updateForwardRef(current, workInProgress, Component, nextProps, renderLanes) { if (workInProgress.type !== workInProgress.elementType) { // Lazy component props can't be validated in createElement // because they're only guaranteed to be resolved here. var innerPropTypes = Component.propTypes; if (innerPropTypes) checkPropTypes(innerPropTypes, nextProps, "prop", getComponentNameFromType(Component)); } var render = Component.render; var ref = workInProgress.ref; // The rest is a fork of updateFunctionComponent var nextChildren; var hasId; prepareToReadContext(workInProgress, renderLanes); markComponentRenderStarted(workInProgress); ReactCurrentOwner$1.current = workInProgress; setIsRendering(true); nextChildren = renderWithHooks(current, workInProgress, render, nextProps, ref, renderLanes); hasId = checkDidRenderIdHook(); if (workInProgress.mode & StrictLegacyMode) { setIsStrictModeForDevtools(true); try { nextChildren = renderWithHooks(current, workInProgress, render, nextProps, ref, renderLanes); hasId = checkDidRenderIdHook(); } finally{ setIsStrictModeForDevtools(false); } } setIsRendering(false); markComponentRenderStopped(); if (current !== null && !didReceiveUpdate) { bailoutHooks(current, workInProgress, renderLanes); return bailoutOnAlreadyFinishedWork(current, workInProgress, renderLanes); } if (getIsHydrating() && hasId) pushMaterializedTreeId(workInProgress); // React DevTools reads this flag. workInProgress.flags |= PerformedWork; reconcileChildren(current, workInProgress, nextChildren, renderLanes); return workInProgress.child; } function updateMemoComponent(current, workInProgress, Component, nextProps, renderLanes) { if (current === null) { var type = Component.type; if (isSimpleFunctionComponent(type) && Component.compare === null && // SimpleMemoComponent codepath doesn't resolve outer props either. Component.defaultProps === undefined) { var resolvedType = type; resolvedType = resolveFunctionForHotReloading(type); // and with only the default shallow comparison, we upgrade it // to a SimpleMemoComponent to allow fast path updates. workInProgress.tag = SimpleMemoComponent; workInProgress.type = resolvedType; validateFunctionComponentInDev(workInProgress, type); return updateSimpleMemoComponent(current, workInProgress, resolvedType, nextProps, renderLanes); } var innerPropTypes = type.propTypes; if (innerPropTypes) // Inner memo component props aren't currently validated in createElement. // We could move it there, but we'd still need this for lazy code path. checkPropTypes(innerPropTypes, nextProps, "prop", getComponentNameFromType(type)); var child = createFiberFromTypeAndProps(Component.type, null, nextProps, workInProgress, workInProgress.mode, renderLanes); child.ref = workInProgress.ref; child.return = workInProgress; workInProgress.child = child; return child; } var _type = Component.type; var _innerPropTypes = _type.propTypes; if (_innerPropTypes) // Inner memo component props aren't currently validated in createElement. // We could move it there, but we'd still need this for lazy code path. checkPropTypes(_innerPropTypes, nextProps, "prop", getComponentNameFromType(_type)); var currentChild = current.child; // This is always exactly one child var hasScheduledUpdateOrContext = checkScheduledUpdateOrContext(current, renderLanes); if (!hasScheduledUpdateOrContext) { // This will be the props with resolved defaultProps, // unlike current.memoizedProps which will be the unresolved ones. var prevProps = currentChild.memoizedProps; // Default to shallow comparison var compare = Component.compare; compare = compare !== null ? compare : shallowEqual; if (compare(prevProps, nextProps) && current.ref === workInProgress.ref) return bailoutOnAlreadyFinishedWork(current, workInProgress, renderLanes); } // React DevTools reads this flag. workInProgress.flags |= PerformedWork; var newChild = createWorkInProgress(currentChild, nextProps); newChild.ref = workInProgress.ref; newChild.return = workInProgress; workInProgress.child = newChild; return newChild; } function updateSimpleMemoComponent(current, workInProgress, Component, nextProps, renderLanes) { if (workInProgress.type !== workInProgress.elementType) { // Lazy component props can't be validated in createElement // because they're only guaranteed to be resolved here. var outerMemoType = workInProgress.elementType; if (outerMemoType.$$typeof === REACT_LAZY_TYPE) { // We warn when you define propTypes on lazy() // so let's just skip over it to find memo() outer wrapper. // Inner props for memo are validated later. var lazyComponent = outerMemoType; var payload = lazyComponent._payload; var init = lazyComponent._init; try { outerMemoType = init(payload); } catch (x) { outerMemoType = null; } // Inner propTypes will be validated in the function component path. var outerPropTypes = outerMemoType && outerMemoType.propTypes; if (outerPropTypes) checkPropTypes(outerPropTypes, nextProps, "prop", getComponentNameFromType(outerMemoType)); } } if (current !== null) { var prevProps = current.memoizedProps; if (shallowEqual(prevProps, nextProps) && current.ref === workInProgress.ref && workInProgress.type === current.type) { didReceiveUpdate = false; // The props are shallowly equal. Reuse the previous props object, like we // would during a normal fiber bailout. // // We don't have strong guarantees that the props object is referentially // equal during updates where we can't bail out anyway — like if the props // are shallowly equal, but there's a local state or context update in the // same batch. // // However, as a principle, we should aim to make the behavior consistent // across different ways of memoizing a component. For example, React.memo // has a different internal Fiber layout if you pass a normal function // component (SimpleMemoComponent) versus if you pass a different type // like forwardRef (MemoComponent). But this is an implementation detail. // Wrapping a component in forwardRef (or React.lazy, etc) shouldn't // affect whether the props object is reused during a bailout. workInProgress.pendingProps = nextProps = prevProps; if (!checkScheduledUpdateOrContext(current, renderLanes)) { // The pending lanes were cleared at the beginning of beginWork. We're // about to bail out, but there might be other lanes that weren't // included in the current render. Usually, the priority level of the // remaining updates is accumulated during the evaluation of the // component (i.e. when processing the update queue). But since since // we're bailing out early *without* evaluating the component, we need // to account for it here, too. Reset to the value of the current fiber. // NOTE: This only applies to SimpleMemoComponent, not MemoComponent, // because a MemoComponent fiber does not have hooks or an update queue; // rather, it wraps around an inner component, which may or may not // contains hooks. // TODO: Move the reset at in beginWork out of the common path so that // this is no longer necessary. workInProgress.lanes = current.lanes; return bailoutOnAlreadyFinishedWork(current, workInProgress, renderLanes); } else if ((current.flags & ForceUpdateForLegacySuspense) !== NoFlags) // This is a special case that only exists for legacy mode. // See https://github.com/facebook/react/pull/19216. didReceiveUpdate = true; } } return updateFunctionComponent(current, workInProgress, Component, nextProps, renderLanes); } function updateOffscreenComponent(current, workInProgress, renderLanes) { var nextProps = workInProgress.pendingProps; var nextChildren = nextProps.children; var prevState = current !== null ? current.memoizedState : null; if (nextProps.mode === "hidden" || enableLegacyHidden) { // Rendering a hidden tree. if ((workInProgress.mode & ConcurrentMode) === NoMode) { // In legacy sync mode, don't defer the subtree. Render it now. // TODO: Consider how Offscreen should work with transitions in the future var nextState = { baseLanes: NoLanes, cachePool: null, transitions: null }; workInProgress.memoizedState = nextState; pushRenderLanes(workInProgress, renderLanes); } else if (!includesSomeLane(renderLanes, OffscreenLane)) { var spawnedCachePool = null; // We're hidden, and we're not rendering at Offscreen. We will bail out // and resume this tree later. var nextBaseLanes; if (prevState !== null) { var prevBaseLanes = prevState.baseLanes; nextBaseLanes = mergeLanes(prevBaseLanes, renderLanes); } else nextBaseLanes = renderLanes; // Schedule this fiber to re-render at offscreen priority. Then bailout. workInProgress.lanes = workInProgress.childLanes = laneToLanes(OffscreenLane); var _nextState = { baseLanes: nextBaseLanes, cachePool: spawnedCachePool, transitions: null }; workInProgress.memoizedState = _nextState; workInProgress.updateQueue = null; // to avoid a push/pop misalignment. pushRenderLanes(workInProgress, nextBaseLanes); return null; } else { // This is the second render. The surrounding visible content has already // committed. Now we resume rendering the hidden tree. // Rendering at offscreen, so we can clear the base lanes. var _nextState2 = { baseLanes: NoLanes, cachePool: null, transitions: null }; workInProgress.memoizedState = _nextState2; // Push the lanes that were skipped when we bailed out. var subtreeRenderLanes = prevState !== null ? prevState.baseLanes : renderLanes; pushRenderLanes(workInProgress, subtreeRenderLanes); } } else { // Rendering a visible tree. var _subtreeRenderLanes; if (prevState !== null) { // We're going from hidden -> visible. _subtreeRenderLanes = mergeLanes(prevState.baseLanes, renderLanes); workInProgress.memoizedState = null; } else // We weren't previously hidden, and we still aren't, so there's nothing // special to do. Need to push to the stack regardless, though, to avoid // a push/pop misalignment. _subtreeRenderLanes = renderLanes; pushRenderLanes(workInProgress, _subtreeRenderLanes); } reconcileChildren(current, workInProgress, nextChildren, renderLanes); return workInProgress.child; } // Note: These happen to have identical begin phases, for now. We shouldn't hold function updateFragment(current, workInProgress, renderLanes) { var nextChildren = workInProgress.pendingProps; reconcileChildren(current, workInProgress, nextChildren, renderLanes); return workInProgress.child; } function updateMode(current, workInProgress, renderLanes) { var nextChildren = workInProgress.pendingProps.children; reconcileChildren(current, workInProgress, nextChildren, renderLanes); return workInProgress.child; } function updateProfiler(current, workInProgress, renderLanes) { workInProgress.flags |= Update; // Reset effect durations for the next eventual effect phase. // These are reset during render to allow the DevTools commit hook a chance to read them, var stateNode = workInProgress.stateNode; stateNode.effectDuration = 0; stateNode.passiveEffectDuration = 0; var nextProps = workInProgress.pendingProps; var nextChildren = nextProps.children; reconcileChildren(current, workInProgress, nextChildren, renderLanes); return workInProgress.child; } function markRef(current, workInProgress) { var ref = workInProgress.ref; if (current === null && ref !== null || current !== null && current.ref !== ref) { // Schedule a Ref effect workInProgress.flags |= Ref; workInProgress.flags |= RefStatic; } } function updateFunctionComponent(current, workInProgress, Component, nextProps, renderLanes) { if (workInProgress.type !== workInProgress.elementType) { // Lazy component props can't be validated in createElement // because they're only guaranteed to be resolved here. var innerPropTypes = Component.propTypes; if (innerPropTypes) checkPropTypes(innerPropTypes, nextProps, "prop", getComponentNameFromType(Component)); } var context; var unmaskedContext = getUnmaskedContext(workInProgress, Component, true); context = getMaskedContext(workInProgress, unmaskedContext); var nextChildren; var hasId; prepareToReadContext(workInProgress, renderLanes); markComponentRenderStarted(workInProgress); ReactCurrentOwner$1.current = workInProgress; setIsRendering(true); nextChildren = renderWithHooks(current, workInProgress, Component, nextProps, context, renderLanes); hasId = checkDidRenderIdHook(); if (workInProgress.mode & StrictLegacyMode) { setIsStrictModeForDevtools(true); try { nextChildren = renderWithHooks(current, workInProgress, Component, nextProps, context, renderLanes); hasId = checkDidRenderIdHook(); } finally{ setIsStrictModeForDevtools(false); } } setIsRendering(false); markComponentRenderStopped(); if (current !== null && !didReceiveUpdate) { bailoutHooks(current, workInProgress, renderLanes); return bailoutOnAlreadyFinishedWork(current, workInProgress, renderLanes); } if (getIsHydrating() && hasId) pushMaterializedTreeId(workInProgress); // React DevTools reads this flag. workInProgress.flags |= PerformedWork; reconcileChildren(current, workInProgress, nextChildren, renderLanes); return workInProgress.child; } function updateClassComponent(current, workInProgress, Component, nextProps, renderLanes) { // This is used by DevTools to force a boundary to error. switch(shouldError(workInProgress)){ case false: var _instance = workInProgress.stateNode; var ctor = workInProgress.type; // TODO This way of resetting the error boundary state is a hack. // Is there a better way to do this? var tempInstance = new ctor(workInProgress.memoizedProps, _instance.context); var state = tempInstance.state; _instance.updater.enqueueSetState(_instance, state, null); break; case true: workInProgress.flags |= DidCapture; workInProgress.flags |= ShouldCapture; // eslint-disable-next-line react-internal/prod-error-codes var error$1 = new Error("Simulated error coming from DevTools"); var lane = pickArbitraryLane(renderLanes); workInProgress.lanes = mergeLanes(workInProgress.lanes, lane); // Schedule the error boundary to re-render using updated state var update = createClassErrorUpdate(workInProgress, createCapturedValueAtFiber(error$1, workInProgress), lane); enqueueCapturedUpdate(workInProgress, update); break; } if (workInProgress.type !== workInProgress.elementType) { // Lazy component props can't be validated in createElement // because they're only guaranteed to be resolved here. var innerPropTypes = Component.propTypes; if (innerPropTypes) checkPropTypes(innerPropTypes, nextProps, "prop", getComponentNameFromType(Component)); } // During mounting we don't know the child context yet as the instance doesn't exist. // We will invalidate the child context in finishClassComponent() right after rendering. var hasContext; if (isContextProvider(Component)) { hasContext = true; pushContextProvider(workInProgress); } else hasContext = false; prepareToReadContext(workInProgress, renderLanes); var instance = workInProgress.stateNode; var shouldUpdate; if (instance === null) { resetSuspendedCurrentOnMountInLegacyMode(current, workInProgress); // In the initial pass we might need to construct the instance. constructClassInstance(workInProgress, Component, nextProps); mountClassInstance(workInProgress, Component, nextProps, renderLanes); shouldUpdate = true; } else if (current === null) // In a resume, we'll already have an instance we can reuse. shouldUpdate = resumeMountClassInstance(workInProgress, Component, nextProps, renderLanes); else shouldUpdate = updateClassInstance(current, workInProgress, Component, nextProps, renderLanes); var nextUnitOfWork = finishClassComponent(current, workInProgress, Component, shouldUpdate, hasContext, renderLanes); var inst = workInProgress.stateNode; if (shouldUpdate && inst.props !== nextProps) { if (!didWarnAboutReassigningProps) error("It looks like %s is reassigning its own `this.props` while rendering. This is not supported and can lead to confusing bugs.", getComponentNameFromFiber(workInProgress) || "a component"); didWarnAboutReassigningProps = true; } return nextUnitOfWork; } function finishClassComponent(current, workInProgress, Component, shouldUpdate, hasContext, renderLanes) { // Refs should update even if shouldComponentUpdate returns false markRef(current, workInProgress); var didCaptureError = (workInProgress.flags & DidCapture) !== NoFlags; if (!shouldUpdate && !didCaptureError) { // Context providers should defer to sCU for rendering if (hasContext) invalidateContextProvider(workInProgress, Component, false); return bailoutOnAlreadyFinishedWork(current, workInProgress, renderLanes); } var instance = workInProgress.stateNode; // Rerender ReactCurrentOwner$1.current = workInProgress; var nextChildren; if (didCaptureError && typeof Component.getDerivedStateFromError !== "function") { // If we captured an error, but getDerivedStateFromError is not defined, // unmount all the children. componentDidCatch will schedule an update to // re-render a fallback. This is temporary until we migrate everyone to // the new API. // TODO: Warn in a future release. nextChildren = null; stopProfilerTimerIfRunning(); } else { markComponentRenderStarted(workInProgress); setIsRendering(true); nextChildren = instance.render(); if (workInProgress.mode & StrictLegacyMode) { setIsStrictModeForDevtools(true); try { instance.render(); } finally{ setIsStrictModeForDevtools(false); } } setIsRendering(false); markComponentRenderStopped(); } // React DevTools reads this flag. workInProgress.flags |= PerformedWork; if (current !== null && didCaptureError) // If we're recovering from an error, reconcile without reusing any of // the existing children. Conceptually, the normal children and the children // that are shown on error are two different sets, so we shouldn't reuse // normal children even if their identities match. forceUnmountCurrentAndReconcile(current, workInProgress, nextChildren, renderLanes); else reconcileChildren(current, workInProgress, nextChildren, renderLanes); // Memoize state using the values we just used to render. // TODO: Restructure so we never read values from the instance. workInProgress.memoizedState = instance.state; // The context might have changed so we need to recalculate it. if (hasContext) invalidateContextProvider(workInProgress, Component, true); return workInProgress.child; } function pushHostRootContext(workInProgress) { var root = workInProgress.stateNode; if (root.pendingContext) pushTopLevelContextObject(workInProgress, root.pendingContext, root.pendingContext !== root.context); else if (root.context) // Should always be set pushTopLevelContextObject(workInProgress, root.context, false); pushHostContainer(workInProgress, root.containerInfo); } function updateHostRoot(current, workInProgress, renderLanes) { pushHostRootContext(workInProgress); if (current === null) throw new Error("Should have a current fiber. This is a bug in React."); var nextProps = workInProgress.pendingProps; var prevState = workInProgress.memoizedState; var prevChildren = prevState.element; cloneUpdateQueue(current, workInProgress); processUpdateQueue(workInProgress, nextProps, null, renderLanes); var nextState = workInProgress.memoizedState; var root = workInProgress.stateNode; // being called "element". var nextChildren = nextState.element; if (prevState.isDehydrated) { // This is a hydration root whose shell has not yet hydrated. We should // attempt to hydrate. // Flip isDehydrated to false to indicate that when this render // finishes, the root will no longer be dehydrated. var overrideState = { element: nextChildren, isDehydrated: false, cache: nextState.cache, pendingSuspenseBoundaries: nextState.pendingSuspenseBoundaries, transitions: nextState.transitions }; var updateQueue = workInProgress.updateQueue; // `baseState` can always be the last state because the root doesn't // have reducer functions so it doesn't need rebasing. updateQueue.baseState = overrideState; workInProgress.memoizedState = overrideState; if (workInProgress.flags & ForceClientRender) { // Something errored during a previous attempt to hydrate the shell, so we // forced a client render. var recoverableError = createCapturedValueAtFiber(new Error("There was an error while hydrating. Because the error happened outside of a Suspense boundary, the entire root will switch to client rendering."), workInProgress); return mountHostRootWithoutHydrating(current, workInProgress, nextChildren, renderLanes, recoverableError); } else if (nextChildren !== prevChildren) { var _recoverableError = createCapturedValueAtFiber(new Error("This root received an early update, before anything was able hydrate. Switched the entire root to client rendering."), workInProgress); return mountHostRootWithoutHydrating(current, workInProgress, nextChildren, renderLanes, _recoverableError); } else { // The outermost shell has not hydrated yet. Start hydrating. enterHydrationState(workInProgress); var child = mountChildFibers(workInProgress, null, nextChildren, renderLanes); workInProgress.child = child; var node = child; while(node){ // Mark each child as hydrating. This is a fast path to know whether this // tree is part of a hydrating tree. This is used to determine if a child // node has fully mounted yet, and for scheduling event replaying. // Conceptually this is similar to Placement in that a new subtree is // inserted into the React tree here. It just happens to not need DOM // mutations because it already exists. node.flags = node.flags & ~Placement | Hydrating; node = node.sibling; } } } else { // Root is not dehydrated. Either this is a client-only root, or it // already hydrated. resetHydrationState(); if (nextChildren === prevChildren) return bailoutOnAlreadyFinishedWork(current, workInProgress, renderLanes); reconcileChildren(current, workInProgress, nextChildren, renderLanes); } return workInProgress.child; } function mountHostRootWithoutHydrating(current, workInProgress, nextChildren, renderLanes, recoverableError) { // Revert to client rendering. resetHydrationState(); queueHydrationError(recoverableError); workInProgress.flags |= ForceClientRender; reconcileChildren(current, workInProgress, nextChildren, renderLanes); return workInProgress.child; } function updateHostComponent(current, workInProgress, renderLanes) { pushHostContext(workInProgress); if (current === null) tryToClaimNextHydratableInstance(workInProgress); var type = workInProgress.type; var nextProps = workInProgress.pendingProps; var prevProps = current !== null ? current.memoizedProps : null; var nextChildren = nextProps.children; var isDirectTextChild = shouldSetTextContent(type, nextProps); if (isDirectTextChild) // We special case a direct text child of a host node. This is a common // case. We won't handle it as a reified child. We will instead handle // this in the host environment that also has access to this prop. That // avoids allocating another HostText fiber and traversing it. nextChildren = null; else if (prevProps !== null && shouldSetTextContent(type, prevProps)) // If we're switching from a direct text child to a normal child, or to // empty, we need to schedule the text content to be reset. workInProgress.flags |= ContentReset; markRef(current, workInProgress); reconcileChildren(current, workInProgress, nextChildren, renderLanes); return workInProgress.child; } function updateHostText(current, workInProgress) { if (current === null) tryToClaimNextHydratableInstance(workInProgress); // Nothing to do here. This is terminal. We'll do the completion step // immediately after. return null; } function mountLazyComponent(_current, workInProgress, elementType, renderLanes) { resetSuspendedCurrentOnMountInLegacyMode(_current, workInProgress); var props = workInProgress.pendingProps; var lazyComponent = elementType; var payload = lazyComponent._payload; var init = lazyComponent._init; var Component = init(payload); // Store the unwrapped component in the type. workInProgress.type = Component; var resolvedTag = workInProgress.tag = resolveLazyComponentTag(Component); var resolvedProps = resolveDefaultProps(Component, props); var child; switch(resolvedTag){ case FunctionComponent: validateFunctionComponentInDev(workInProgress, Component); workInProgress.type = Component = resolveFunctionForHotReloading(Component); child = updateFunctionComponent(null, workInProgress, Component, resolvedProps, renderLanes); return child; case ClassComponent: workInProgress.type = Component = resolveClassForHotReloading(Component); child = updateClassComponent(null, workInProgress, Component, resolvedProps, renderLanes); return child; case ForwardRef: workInProgress.type = Component = resolveForwardRefForHotReloading(Component); child = updateForwardRef(null, workInProgress, Component, resolvedProps, renderLanes); return child; case MemoComponent: if (workInProgress.type !== workInProgress.elementType) { var outerPropTypes = Component.propTypes; if (outerPropTypes) checkPropTypes(outerPropTypes, resolvedProps, "prop", getComponentNameFromType(Component)); } child = updateMemoComponent(null, workInProgress, Component, resolveDefaultProps(Component.type, resolvedProps), renderLanes); return child; } var hint = ""; if (Component !== null && typeof Component === "object" && Component.$$typeof === REACT_LAZY_TYPE) hint = " Did you wrap a component in React.lazy() more than once?"; // because the fact that it's a separate type of work is an // implementation detail. throw new Error("Element type is invalid. Received a promise that resolves to: " + Component + ". " + ("Lazy element type must resolve to a class or function." + hint)); } function mountIncompleteClassComponent(_current, workInProgress, Component, nextProps, renderLanes) { resetSuspendedCurrentOnMountInLegacyMode(_current, workInProgress); // Promote the fiber to a class and try rendering again. workInProgress.tag = ClassComponent; // The rest of this function is a fork of `updateClassComponent` // Push context providers early to prevent context stack mismatches. // During mounting we don't know the child context yet as the instance doesn't exist. // We will invalidate the child context in finishClassComponent() right after rendering. var hasContext; if (isContextProvider(Component)) { hasContext = true; pushContextProvider(workInProgress); } else hasContext = false; prepareToReadContext(workInProgress, renderLanes); constructClassInstance(workInProgress, Component, nextProps); mountClassInstance(workInProgress, Component, nextProps, renderLanes); return finishClassComponent(null, workInProgress, Component, true, hasContext, renderLanes); } function mountIndeterminateComponent(_current, workInProgress, Component, renderLanes) { resetSuspendedCurrentOnMountInLegacyMode(_current, workInProgress); var props = workInProgress.pendingProps; var context; var unmaskedContext = getUnmaskedContext(workInProgress, Component, false); context = getMaskedContext(workInProgress, unmaskedContext); prepareToReadContext(workInProgress, renderLanes); var value; var hasId; markComponentRenderStarted(workInProgress); if (Component.prototype && typeof Component.prototype.render === "function") { var componentName = getComponentNameFromType(Component) || "Unknown"; if (!didWarnAboutBadClass[componentName]) { error("The <%s /> component appears to have a render method, but doesn't extend React.Component. This is likely to cause errors. Change %s to extend React.Component instead.", componentName, componentName); didWarnAboutBadClass[componentName] = true; } } if (workInProgress.mode & StrictLegacyMode) ReactStrictModeWarnings.recordLegacyContextWarning(workInProgress, null); setIsRendering(true); ReactCurrentOwner$1.current = workInProgress; value = renderWithHooks(null, workInProgress, Component, props, context, renderLanes); hasId = checkDidRenderIdHook(); setIsRendering(false); markComponentRenderStopped(); workInProgress.flags |= PerformedWork; // Support for module components is deprecated and is removed behind a flag. // Whether or not it would crash later, we want to show a good message in DEV first. if (typeof value === "object" && value !== null && typeof value.render === "function" && value.$$typeof === undefined) { var _componentName = getComponentNameFromType(Component) || "Unknown"; if (!didWarnAboutModulePatternComponent[_componentName]) { error("The <%s /> component appears to be a function component that returns a class instance. Change %s to a class that extends React.Component instead. If you can't use a class try assigning the prototype on the function as a workaround. `%s.prototype = React.Component.prototype`. Don't use an arrow function since it cannot be called with `new` by React.", _componentName, _componentName, _componentName); didWarnAboutModulePatternComponent[_componentName] = true; } } if (// Eventually we'll delete this branch altogether. typeof value === "object" && value !== null && typeof value.render === "function" && value.$$typeof === undefined) { var _componentName2 = getComponentNameFromType(Component) || "Unknown"; if (!didWarnAboutModulePatternComponent[_componentName2]) { error("The <%s /> component appears to be a function component that returns a class instance. Change %s to a class that extends React.Component instead. If you can't use a class try assigning the prototype on the function as a workaround. `%s.prototype = React.Component.prototype`. Don't use an arrow function since it cannot be called with `new` by React.", _componentName2, _componentName2, _componentName2); didWarnAboutModulePatternComponent[_componentName2] = true; } workInProgress.tag = ClassComponent; // Throw out any hooks that were used. workInProgress.memoizedState = null; workInProgress.updateQueue = null; // Push context providers early to prevent context stack mismatches. // During mounting we don't know the child context yet as the instance doesn't exist. // We will invalidate the child context in finishClassComponent() right after rendering. var hasContext = false; if (isContextProvider(Component)) { hasContext = true; pushContextProvider(workInProgress); } else hasContext = false; workInProgress.memoizedState = value.state !== null && value.state !== undefined ? value.state : null; initializeUpdateQueue(workInProgress); adoptClassInstance(workInProgress, value); mountClassInstance(workInProgress, Component, props, renderLanes); return finishClassComponent(null, workInProgress, Component, true, hasContext, renderLanes); } else { // Proceed under the assumption that this is a function component workInProgress.tag = FunctionComponent; if (workInProgress.mode & StrictLegacyMode) { setIsStrictModeForDevtools(true); try { value = renderWithHooks(null, workInProgress, Component, props, context, renderLanes); hasId = checkDidRenderIdHook(); } finally{ setIsStrictModeForDevtools(false); } } if (getIsHydrating() && hasId) pushMaterializedTreeId(workInProgress); reconcileChildren(null, workInProgress, value, renderLanes); validateFunctionComponentInDev(workInProgress, Component); return workInProgress.child; } } function validateFunctionComponentInDev(workInProgress, Component) { if (Component) { if (Component.childContextTypes) error("%s(...): childContextTypes cannot be defined on a function component.", Component.displayName || Component.name || "Component"); } if (workInProgress.ref !== null) { var info = ""; var ownerName = getCurrentFiberOwnerNameInDevOrNull(); if (ownerName) info += "\n\nCheck the render method of `" + ownerName + "`."; var warningKey = ownerName || ""; var debugSource = workInProgress._debugSource; if (debugSource) warningKey = debugSource.fileName + ":" + debugSource.lineNumber; if (!didWarnAboutFunctionRefs[warningKey]) { didWarnAboutFunctionRefs[warningKey] = true; error("Function components cannot be given refs. Attempts to access this ref will fail. Did you mean to use React.forwardRef()?%s", info); } } if (typeof Component.getDerivedStateFromProps === "function") { var _componentName3 = getComponentNameFromType(Component) || "Unknown"; if (!didWarnAboutGetDerivedStateOnFunctionComponent[_componentName3]) { error("%s: Function components do not support getDerivedStateFromProps.", _componentName3); didWarnAboutGetDerivedStateOnFunctionComponent[_componentName3] = true; } } if (typeof Component.contextType === "object" && Component.contextType !== null) { var _componentName4 = getComponentNameFromType(Component) || "Unknown"; if (!didWarnAboutContextTypeOnFunctionComponent[_componentName4]) { error("%s: Function components do not support contextType.", _componentName4); didWarnAboutContextTypeOnFunctionComponent[_componentName4] = true; } } } var SUSPENDED_MARKER = { dehydrated: null, treeContext: null, retryLane: NoLane }; function mountSuspenseOffscreenState(renderLanes) { return { baseLanes: renderLanes, cachePool: getSuspendedCache(), transitions: null }; } function updateSuspenseOffscreenState(prevOffscreenState, renderLanes) { var cachePool = null; return { baseLanes: mergeLanes(prevOffscreenState.baseLanes, renderLanes), cachePool: cachePool, transitions: prevOffscreenState.transitions }; } // TODO: Probably should inline this back function shouldRemainOnFallback(suspenseContext, current, workInProgress, renderLanes) { // If we're already showing a fallback, there are cases where we need to // remain on that fallback regardless of whether the content has resolved. // For example, SuspenseList coordinates when nested content appears. if (current !== null) { var suspenseState = current.memoizedState; if (suspenseState === null) // Currently showing content. Don't hide it, even if ForceSuspenseFallback // is true. More precise name might be "ForceRemainSuspenseFallback". // Note: This is a factoring smell. Can't remain on a fallback if there's // no fallback to remain on. return false; } // Not currently showing content. Consult the Suspense context. return hasSuspenseContext(suspenseContext, ForceSuspenseFallback); } function getRemainingWorkInPrimaryTree(current, renderLanes) { // TODO: Should not remove render lanes that were pinged during this render return removeLanes(current.childLanes, renderLanes); } function updateSuspenseComponent(current, workInProgress, renderLanes) { var nextProps = workInProgress.pendingProps; // This is used by DevTools to force a boundary to suspend. if (shouldSuspend(workInProgress)) workInProgress.flags |= DidCapture; var suspenseContext = suspenseStackCursor.current; var showFallback = false; var didSuspend = (workInProgress.flags & DidCapture) !== NoFlags; if (didSuspend || shouldRemainOnFallback(suspenseContext, current)) { // Something in this boundary's subtree already suspended. Switch to // rendering the fallback children. showFallback = true; workInProgress.flags &= ~DidCapture; } else // Attempting the main content if (current === null || current.memoizedState !== null) suspenseContext = addSubtreeSuspenseContext(suspenseContext, InvisibleParentSuspenseContext); suspenseContext = setDefaultShallowSuspenseContext(suspenseContext); pushSuspenseContext(workInProgress, suspenseContext); // OK, the next part is confusing. We're about to reconcile the Suspense // boundary's children. This involves some custom reconciliation logic. Two // main reasons this is so complicated. // // First, Legacy Mode has different semantics for backwards compatibility. The // primary tree will commit in an inconsistent state, so when we do the // second pass to render the fallback, we do some exceedingly, uh, clever // hacks to make that not totally break. Like transferring effects and // deletions from hidden tree. In Concurrent Mode, it's much simpler, // because we bailout on the primary tree completely and leave it in its old // state, no effects. Same as what we do for Offscreen (except that // Offscreen doesn't have the first render pass). // // Second is hydration. During hydration, the Suspense fiber has a slightly // different layout, where the child points to a dehydrated fragment, which // contains the DOM rendered by the server. // // Third, even if you set all that aside, Suspense is like error boundaries in // that we first we try to render one tree, and if that fails, we render again // and switch to a different tree. Like a try/catch block. So we have to track // which branch we're currently rendering. Ideally we would model this using // a stack. if (current === null) { // Initial mount // Special path for hydration // If we're currently hydrating, try to hydrate this boundary. tryToClaimNextHydratableInstance(workInProgress); // This could've been a dehydrated suspense component. var suspenseState = workInProgress.memoizedState; if (suspenseState !== null) { var dehydrated = suspenseState.dehydrated; if (dehydrated !== null) return mountDehydratedSuspenseComponent(workInProgress, dehydrated); } var nextPrimaryChildren = nextProps.children; var nextFallbackChildren = nextProps.fallback; if (showFallback) { var fallbackFragment = mountSuspenseFallbackChildren(workInProgress, nextPrimaryChildren, nextFallbackChildren, renderLanes); var primaryChildFragment = workInProgress.child; primaryChildFragment.memoizedState = mountSuspenseOffscreenState(renderLanes); workInProgress.memoizedState = SUSPENDED_MARKER; return fallbackFragment; } else return mountSuspensePrimaryChildren(workInProgress, nextPrimaryChildren); } else { // This is an update. // Special path for hydration var prevState = current.memoizedState; if (prevState !== null) { var _dehydrated = prevState.dehydrated; if (_dehydrated !== null) return updateDehydratedSuspenseComponent(current, workInProgress, didSuspend, nextProps, _dehydrated, prevState, renderLanes); } if (showFallback) { var _nextFallbackChildren = nextProps.fallback; var _nextPrimaryChildren = nextProps.children; var fallbackChildFragment = updateSuspenseFallbackChildren(current, workInProgress, _nextPrimaryChildren, _nextFallbackChildren, renderLanes); var _primaryChildFragment2 = workInProgress.child; var prevOffscreenState = current.child.memoizedState; _primaryChildFragment2.memoizedState = prevOffscreenState === null ? mountSuspenseOffscreenState(renderLanes) : updateSuspenseOffscreenState(prevOffscreenState, renderLanes); _primaryChildFragment2.childLanes = getRemainingWorkInPrimaryTree(current, renderLanes); workInProgress.memoizedState = SUSPENDED_MARKER; return fallbackChildFragment; } else { var _nextPrimaryChildren2 = nextProps.children; var _primaryChildFragment3 = updateSuspensePrimaryChildren(current, workInProgress, _nextPrimaryChildren2, renderLanes); workInProgress.memoizedState = null; return _primaryChildFragment3; } } } function mountSuspensePrimaryChildren(workInProgress, primaryChildren, renderLanes) { var mode = workInProgress.mode; var primaryChildProps = { mode: "visible", children: primaryChildren }; var primaryChildFragment = mountWorkInProgressOffscreenFiber(primaryChildProps, mode); primaryChildFragment.return = workInProgress; workInProgress.child = primaryChildFragment; return primaryChildFragment; } function mountSuspenseFallbackChildren(workInProgress, primaryChildren, fallbackChildren, renderLanes) { var mode = workInProgress.mode; var progressedPrimaryFragment = workInProgress.child; var primaryChildProps = { mode: "hidden", children: primaryChildren }; var primaryChildFragment; var fallbackChildFragment; if ((mode & ConcurrentMode) === NoMode && progressedPrimaryFragment !== null) { // In legacy mode, we commit the primary tree as if it successfully // completed, even though it's in an inconsistent state. primaryChildFragment = progressedPrimaryFragment; primaryChildFragment.childLanes = NoLanes; primaryChildFragment.pendingProps = primaryChildProps; if (workInProgress.mode & ProfileMode) { // Reset the durations from the first pass so they aren't included in the // final amounts. This seems counterintuitive, since we're intentionally // not measuring part of the render phase, but this makes it match what we // do in Concurrent Mode. primaryChildFragment.actualDuration = 0; primaryChildFragment.actualStartTime = -1; primaryChildFragment.selfBaseDuration = 0; primaryChildFragment.treeBaseDuration = 0; } fallbackChildFragment = createFiberFromFragment(fallbackChildren, mode, renderLanes, null); } else { primaryChildFragment = mountWorkInProgressOffscreenFiber(primaryChildProps, mode); fallbackChildFragment = createFiberFromFragment(fallbackChildren, mode, renderLanes, null); } primaryChildFragment.return = workInProgress; fallbackChildFragment.return = workInProgress; primaryChildFragment.sibling = fallbackChildFragment; workInProgress.child = primaryChildFragment; return fallbackChildFragment; } function mountWorkInProgressOffscreenFiber(offscreenProps, mode, renderLanes) { // The props argument to `createFiberFromOffscreen` is `any` typed, so we use // this wrapper function to constrain it. return createFiberFromOffscreen(offscreenProps, mode, NoLanes, null); } function updateWorkInProgressOffscreenFiber(current, offscreenProps) { // The props argument to `createWorkInProgress` is `any` typed, so we use this // wrapper function to constrain it. return createWorkInProgress(current, offscreenProps); } function updateSuspensePrimaryChildren(current, workInProgress, primaryChildren, renderLanes) { var currentPrimaryChildFragment = current.child; var currentFallbackChildFragment = currentPrimaryChildFragment.sibling; var primaryChildFragment = updateWorkInProgressOffscreenFiber(currentPrimaryChildFragment, { mode: "visible", children: primaryChildren }); if ((workInProgress.mode & ConcurrentMode) === NoMode) primaryChildFragment.lanes = renderLanes; primaryChildFragment.return = workInProgress; primaryChildFragment.sibling = null; if (currentFallbackChildFragment !== null) { // Delete the fallback child fragment var deletions = workInProgress.deletions; if (deletions === null) { workInProgress.deletions = [ currentFallbackChildFragment ]; workInProgress.flags |= ChildDeletion; } else deletions.push(currentFallbackChildFragment); } workInProgress.child = primaryChildFragment; return primaryChildFragment; } function updateSuspenseFallbackChildren(current, workInProgress, primaryChildren, fallbackChildren, renderLanes) { var mode = workInProgress.mode; var currentPrimaryChildFragment = current.child; var currentFallbackChildFragment = currentPrimaryChildFragment.sibling; var primaryChildProps = { mode: "hidden", children: primaryChildren }; var primaryChildFragment; if (// completed, even though it's in an inconsistent state. (mode & ConcurrentMode) === NoMode && // Make sure we're on the second pass, i.e. the primary child fragment was // already cloned. In legacy mode, the only case where this isn't true is // when DevTools forces us to display a fallback; we skip the first render // pass entirely and go straight to rendering the fallback. (In Concurrent // Mode, SuspenseList can also trigger this scenario, but this is a legacy- // only codepath.) workInProgress.child !== currentPrimaryChildFragment) { var progressedPrimaryFragment = workInProgress.child; primaryChildFragment = progressedPrimaryFragment; primaryChildFragment.childLanes = NoLanes; primaryChildFragment.pendingProps = primaryChildProps; if (workInProgress.mode & ProfileMode) { // Reset the durations from the first pass so they aren't included in the // final amounts. This seems counterintuitive, since we're intentionally // not measuring part of the render phase, but this makes it match what we // do in Concurrent Mode. primaryChildFragment.actualDuration = 0; primaryChildFragment.actualStartTime = -1; primaryChildFragment.selfBaseDuration = currentPrimaryChildFragment.selfBaseDuration; primaryChildFragment.treeBaseDuration = currentPrimaryChildFragment.treeBaseDuration; } // The fallback fiber was added as a deletion during the first pass. // However, since we're going to remain on the fallback, we no longer want // to delete it. workInProgress.deletions = null; } else { primaryChildFragment = updateWorkInProgressOffscreenFiber(currentPrimaryChildFragment, primaryChildProps); // Since we're reusing a current tree, we need to reuse the flags, too. // (We don't do this in legacy mode, because in legacy mode we don't re-use // the current tree; see previous branch.) primaryChildFragment.subtreeFlags = currentPrimaryChildFragment.subtreeFlags & StaticMask; } var fallbackChildFragment; if (currentFallbackChildFragment !== null) fallbackChildFragment = createWorkInProgress(currentFallbackChildFragment, fallbackChildren); else { fallbackChildFragment = createFiberFromFragment(fallbackChildren, mode, renderLanes, null); // Needs a placement effect because the parent (the Suspense boundary) already // mounted but this is a new fiber. fallbackChildFragment.flags |= Placement; } fallbackChildFragment.return = workInProgress; primaryChildFragment.return = workInProgress; primaryChildFragment.sibling = fallbackChildFragment; workInProgress.child = primaryChildFragment; return fallbackChildFragment; } function retrySuspenseComponentWithoutHydrating(current, workInProgress, renderLanes, recoverableError) { // Falling back to client rendering. Because this has performance // implications, it's considered a recoverable error, even though the user // likely won't observe anything wrong with the UI. // // The error is passed in as an argument to enforce that every caller provide // a custom message, or explicitly opt out (currently the only path that opts // out is legacy mode; every concurrent path provides an error). if (recoverableError !== null) queueHydrationError(recoverableError); // This will add the old fiber to the deletion list reconcileChildFibers(workInProgress, current.child, null, renderLanes); // We're now not suspended nor dehydrated. var nextProps = workInProgress.pendingProps; var primaryChildren = nextProps.children; var primaryChildFragment = mountSuspensePrimaryChildren(workInProgress, primaryChildren); // Needs a placement effect because the parent (the Suspense boundary) already // mounted but this is a new fiber. primaryChildFragment.flags |= Placement; workInProgress.memoizedState = null; return primaryChildFragment; } function mountSuspenseFallbackAfterRetryWithoutHydrating(current, workInProgress, primaryChildren, fallbackChildren, renderLanes) { var fiberMode = workInProgress.mode; var primaryChildProps = { mode: "visible", children: primaryChildren }; var primaryChildFragment = mountWorkInProgressOffscreenFiber(primaryChildProps, fiberMode); var fallbackChildFragment = createFiberFromFragment(fallbackChildren, fiberMode, renderLanes, null); // Needs a placement effect because the parent (the Suspense // boundary) already mounted but this is a new fiber. fallbackChildFragment.flags |= Placement; primaryChildFragment.return = workInProgress; fallbackChildFragment.return = workInProgress; primaryChildFragment.sibling = fallbackChildFragment; workInProgress.child = primaryChildFragment; if ((workInProgress.mode & ConcurrentMode) !== NoMode) // We will have dropped the effect list which contains the // deletion. We need to reconcile to delete the current child. reconcileChildFibers(workInProgress, current.child, null, renderLanes); return fallbackChildFragment; } function mountDehydratedSuspenseComponent(workInProgress, suspenseInstance, renderLanes) { // During the first pass, we'll bail out and not drill into the children. // Instead, we'll leave the content in place and try to hydrate it later. if ((workInProgress.mode & ConcurrentMode) === NoMode) { error("Cannot hydrate Suspense in legacy mode. Switch from ReactDOM.hydrate(element, container) to ReactDOMClient.hydrateRoot(container, ).render(element) or remove the Suspense components from the server rendered components."); workInProgress.lanes = laneToLanes(SyncLane); } else if (isSuspenseInstanceFallback(suspenseInstance)) // This is a client-only boundary. Since we won't get any content from the server // for this, we need to schedule that at a higher priority based on when it would // have timed out. In theory we could render it in this pass but it would have the // wrong priority associated with it and will prevent hydration of parent path. // Instead, we'll leave work left on it to render it in a separate commit. // TODO This time should be the time at which the server rendered response that is // a parent to this boundary was displayed. However, since we currently don't have // a protocol to transfer that time, we'll just estimate it by using the current // time. This will mean that Suspense timeouts are slightly shifted to later than // they should be. // Schedule a normal pri update to render this content. workInProgress.lanes = laneToLanes(DefaultHydrationLane); else // We'll continue hydrating the rest at offscreen priority since we'll already // be showing the right content coming from the server, it is no rush. workInProgress.lanes = laneToLanes(OffscreenLane); return null; } function updateDehydratedSuspenseComponent(current, workInProgress, didSuspend, nextProps, suspenseInstance, suspenseState, renderLanes) { if (!didSuspend) { // This is the first render pass. Attempt to hydrate. // We should never be hydrating at this point because it is the first pass, // but after we've already committed once. warnIfHydrating(); if ((workInProgress.mode & ConcurrentMode) === NoMode) return retrySuspenseComponentWithoutHydrating(current, workInProgress, renderLanes, // required — every concurrent mode path that causes hydration to // de-opt to client rendering should have an error message. null); if (isSuspenseInstanceFallback(suspenseInstance)) { // This boundary is in a permanent fallback state. In this case, we'll never // get an update and we'll never be able to hydrate the final content. Let's just try the // client side render instead. var digest, message, stack; var _getSuspenseInstanceF = getSuspenseInstanceFallbackErrorDetails(suspenseInstance); digest = _getSuspenseInstanceF.digest; message = _getSuspenseInstanceF.message; stack = _getSuspenseInstanceF.stack; var error; if (message) // eslint-disable-next-line react-internal/prod-error-codes error = new Error(message); else error = new Error("The server could not finish this Suspense boundary, likely due to an error during server rendering. Switched to client rendering."); var capturedValue = createCapturedValue(error, digest, stack); return retrySuspenseComponentWithoutHydrating(current, workInProgress, renderLanes, capturedValue); } // any context has changed, we need to treat is as if the input might have changed. var hasContextChanged = includesSomeLane(renderLanes, current.childLanes); if (didReceiveUpdate || hasContextChanged) { // This boundary has changed since the first render. This means that we are now unable to // hydrate it. We might still be able to hydrate it using a higher priority lane. var root = getWorkInProgressRoot(); if (root !== null) { var attemptHydrationAtLane = getBumpedLaneForHydration(root, renderLanes); if (attemptHydrationAtLane !== NoLane && attemptHydrationAtLane !== suspenseState.retryLane) { // Intentionally mutating since this render will get interrupted. This // is one of the very rare times where we mutate the current tree // during the render phase. suspenseState.retryLane = attemptHydrationAtLane; // TODO: Ideally this would inherit the event time of the current render var eventTime = NoTimestamp; enqueueConcurrentRenderForLane(current, attemptHydrationAtLane); scheduleUpdateOnFiber(root, current, attemptHydrationAtLane, eventTime); } } // If we have scheduled higher pri work above, this will probably just abort the render // since we now have higher priority work, but in case it doesn't, we need to prepare to // render something, if we time out. Even if that requires us to delete everything and // skip hydration. // Delay having to do this as long as the suspense timeout allows us. renderDidSuspendDelayIfPossible(); var _capturedValue = createCapturedValue(new Error("This Suspense boundary received an update before it finished hydrating. This caused the boundary to switch to client rendering. The usual way to fix this is to wrap the original update in startTransition.")); return retrySuspenseComponentWithoutHydrating(current, workInProgress, renderLanes, _capturedValue); } else if (isSuspenseInstancePending(suspenseInstance)) { // This component is still pending more data from the server, so we can't hydrate its // content. We treat it as if this component suspended itself. It might seem as if // we could just try to render it client-side instead. However, this will perform a // lot of unnecessary work and is unlikely to complete since it often will suspend // on missing data anyway. Additionally, the server might be able to render more // than we can on the client yet. In that case we'd end up with more fallback states // on the client than if we just leave it alone. If the server times out or errors // these should update this boundary to the permanent Fallback state instead. // Mark it as having captured (i.e. suspended). workInProgress.flags |= DidCapture; // Leave the child in place. I.e. the dehydrated fragment. workInProgress.child = current.child; // Register a callback to retry this boundary once the server has sent the result. var retry = retryDehydratedSuspenseBoundary.bind(null, current); registerSuspenseInstanceRetry(suspenseInstance, retry); return null; } else { // This is the first attempt. reenterHydrationStateFromDehydratedSuspenseInstance(workInProgress, suspenseInstance, suspenseState.treeContext); var primaryChildren = nextProps.children; var primaryChildFragment = mountSuspensePrimaryChildren(workInProgress, primaryChildren); // Mark the children as hydrating. This is a fast path to know whether this // tree is part of a hydrating tree. This is used to determine if a child // node has fully mounted yet, and for scheduling event replaying. // Conceptually this is similar to Placement in that a new subtree is // inserted into the React tree here. It just happens to not need DOM // mutations because it already exists. primaryChildFragment.flags |= Hydrating; return primaryChildFragment; } } else { // This is the second render pass. We already attempted to hydrated, but // something either suspended or errored. if (workInProgress.flags & ForceClientRender) { // Something errored during hydration. Try again without hydrating. workInProgress.flags &= ~ForceClientRender; var _capturedValue2 = createCapturedValue(new Error("There was an error while hydrating this Suspense boundary. Switched to client rendering.")); return retrySuspenseComponentWithoutHydrating(current, workInProgress, renderLanes, _capturedValue2); } else if (workInProgress.memoizedState !== null) { // Something suspended and we should still be in dehydrated mode. // Leave the existing child in place. workInProgress.child = current.child; // The dehydrated completion pass expects this flag to be there // but the normal suspense pass doesn't. workInProgress.flags |= DidCapture; return null; } else { // Suspended but we should no longer be in dehydrated mode. // Therefore we now have to render the fallback. var nextPrimaryChildren = nextProps.children; var nextFallbackChildren = nextProps.fallback; var fallbackChildFragment = mountSuspenseFallbackAfterRetryWithoutHydrating(current, workInProgress, nextPrimaryChildren, nextFallbackChildren, renderLanes); var _primaryChildFragment4 = workInProgress.child; _primaryChildFragment4.memoizedState = mountSuspenseOffscreenState(renderLanes); workInProgress.memoizedState = SUSPENDED_MARKER; return fallbackChildFragment; } } } function scheduleSuspenseWorkOnFiber(fiber, renderLanes, propagationRoot) { fiber.lanes = mergeLanes(fiber.lanes, renderLanes); var alternate = fiber.alternate; if (alternate !== null) alternate.lanes = mergeLanes(alternate.lanes, renderLanes); scheduleContextWorkOnParentPath(fiber.return, renderLanes, propagationRoot); } function propagateSuspenseContextChange(workInProgress, firstChild, renderLanes) { // Mark any Suspense boundaries with fallbacks as having work to do. // If they were previously forced into fallbacks, they may now be able // to unblock. var node = firstChild; while(node !== null){ if (node.tag === SuspenseComponent) { var state = node.memoizedState; if (state !== null) scheduleSuspenseWorkOnFiber(node, renderLanes, workInProgress); } else if (node.tag === SuspenseListComponent) // If the tail is hidden there might not be an Suspense boundaries // to schedule work on. In this case we have to schedule it on the // list itself. // We don't have to traverse to the children of the list since // the list will propagate the change when it rerenders. scheduleSuspenseWorkOnFiber(node, renderLanes, workInProgress); else if (node.child !== null) { node.child.return = node; node = node.child; continue; } if (node === workInProgress) return; while(node.sibling === null){ if (node.return === null || node.return === workInProgress) return; node = node.return; } node.sibling.return = node.return; node = node.sibling; } } function findLastContentRow(firstChild) { // This is going to find the last row among these children that is already // showing content on the screen, as opposed to being in fallback state or // new. If a row has multiple Suspense boundaries, any of them being in the // fallback state, counts as the whole row being in a fallback state. // Note that the "rows" will be workInProgress, but any nested children // will still be current since we haven't rendered them yet. The mounted // order may not be the same as the new order. We use the new order. var row = firstChild; var lastContentRow = null; while(row !== null){ var currentRow = row.alternate; // New rows can't be content rows. if (currentRow !== null && findFirstSuspended(currentRow) === null) lastContentRow = row; row = row.sibling; } return lastContentRow; } function validateRevealOrder(revealOrder) { if (revealOrder !== undefined && revealOrder !== "forwards" && revealOrder !== "backwards" && revealOrder !== "together" && !didWarnAboutRevealOrder[revealOrder]) { didWarnAboutRevealOrder[revealOrder] = true; if (typeof revealOrder === "string") switch(revealOrder.toLowerCase()){ case "together": case "forwards": case "backwards": error('"%s" is not a valid value for revealOrder on . Use lowercase "%s" instead.', revealOrder, revealOrder.toLowerCase()); break; case "forward": case "backward": error('"%s" is not a valid value for revealOrder on . React uses the -s suffix in the spelling. Use "%ss" instead.', revealOrder, revealOrder.toLowerCase()); break; default: error('"%s" is not a supported revealOrder on . Did you mean "together", "forwards" or "backwards"?', revealOrder); break; } else error('%s is not a supported value for revealOrder on . Did you mean "together", "forwards" or "backwards"?', revealOrder); } } function validateTailOptions(tailMode, revealOrder) { if (tailMode !== undefined && !didWarnAboutTailOptions[tailMode]) { if (tailMode !== "collapsed" && tailMode !== "hidden") { didWarnAboutTailOptions[tailMode] = true; error('"%s" is not a supported value for tail on . Did you mean "collapsed" or "hidden"?', tailMode); } else if (revealOrder !== "forwards" && revealOrder !== "backwards") { didWarnAboutTailOptions[tailMode] = true; error(' is only valid if revealOrder is "forwards" or "backwards". Did you mean to specify revealOrder="forwards"?', tailMode); } } } function validateSuspenseListNestedChild(childSlot, index) { var isAnArray = isArray(childSlot); var isIterable = !isAnArray && typeof getIteratorFn(childSlot) === "function"; if (isAnArray || isIterable) { var type = isAnArray ? "array" : "iterable"; error("A nested %s was passed to row #%s in . Wrap it in an additional SuspenseList to configure its revealOrder: ... {%s} ... ", type, index, type); return false; } return true; } function validateSuspenseListChildren(children, revealOrder) { if ((revealOrder === "forwards" || revealOrder === "backwards") && children !== undefined && children !== null && children !== false) { if (isArray(children)) for(var i = 0; i < children.length; i++){ if (!validateSuspenseListNestedChild(children[i], i)) return; } else { var iteratorFn = getIteratorFn(children); if (typeof iteratorFn === "function") { var childrenIterator = iteratorFn.call(children); if (childrenIterator) { var step = childrenIterator.next(); var _i = 0; for(; !step.done; step = childrenIterator.next()){ if (!validateSuspenseListNestedChild(step.value, _i)) return; _i++; } } } else error('A single row was passed to a . This is not useful since it needs multiple rows. Did you mean to pass multiple children or an array?', revealOrder); } } } function initSuspenseListRenderState(workInProgress, isBackwards, tail, lastContentRow, tailMode) { var renderState = workInProgress.memoizedState; if (renderState === null) workInProgress.memoizedState = { isBackwards: isBackwards, rendering: null, renderingStartTime: 0, last: lastContentRow, tail: tail, tailMode: tailMode }; else { // We can reuse the existing object from previous renders. renderState.isBackwards = isBackwards; renderState.rendering = null; renderState.renderingStartTime = 0; renderState.last = lastContentRow; renderState.tail = tail; renderState.tailMode = tailMode; } } // This can end up rendering this component multiple passes. // The first pass splits the children fibers into two sets. A head and tail. // We first render the head. If anything is in fallback state, we do another // pass through beginWork to rerender all children (including the tail) with // the force suspend context. If the first render didn't have anything in // in fallback state. Then we render each row in the tail one-by-one. // That happens in the completeWork phase without going back to beginWork. function updateSuspenseListComponent(current, workInProgress, renderLanes) { var nextProps = workInProgress.pendingProps; var revealOrder = nextProps.revealOrder; var tailMode = nextProps.tail; var newChildren = nextProps.children; validateRevealOrder(revealOrder); validateTailOptions(tailMode, revealOrder); validateSuspenseListChildren(newChildren, revealOrder); reconcileChildren(current, workInProgress, newChildren, renderLanes); var suspenseContext = suspenseStackCursor.current; var shouldForceFallback = hasSuspenseContext(suspenseContext, ForceSuspenseFallback); if (shouldForceFallback) { suspenseContext = setShallowSuspenseContext(suspenseContext, ForceSuspenseFallback); workInProgress.flags |= DidCapture; } else { var didSuspendBefore = current !== null && (current.flags & DidCapture) !== NoFlags; if (didSuspendBefore) // If we previously forced a fallback, we need to schedule work // on any nested boundaries to let them know to try to render // again. This is the same as context updating. propagateSuspenseContextChange(workInProgress, workInProgress.child, renderLanes); suspenseContext = setDefaultShallowSuspenseContext(suspenseContext); } pushSuspenseContext(workInProgress, suspenseContext); if ((workInProgress.mode & ConcurrentMode) === NoMode) // In legacy mode, SuspenseList doesn't work so we just // use make it a noop by treating it as the default revealOrder. workInProgress.memoizedState = null; else switch(revealOrder){ case "forwards": var lastContentRow = findLastContentRow(workInProgress.child); var tail; if (lastContentRow === null) { // The whole list is part of the tail. // TODO: We could fast path by just rendering the tail now. tail = workInProgress.child; workInProgress.child = null; } else { // Disconnect the tail rows after the content row. // We're going to render them separately later. tail = lastContentRow.sibling; lastContentRow.sibling = null; } initSuspenseListRenderState(workInProgress, false, tail, lastContentRow, tailMode); break; case "backwards": // We're going to find the first row that has existing content. // At the same time we're going to reverse the list of everything // we pass in the meantime. That's going to be our tail in reverse // order. var _tail = null; var row = workInProgress.child; workInProgress.child = null; while(row !== null){ var currentRow = row.alternate; // New rows can't be content rows. if (currentRow !== null && findFirstSuspended(currentRow) === null) { // This is the beginning of the main content. workInProgress.child = row; break; } var nextRow = row.sibling; row.sibling = _tail; _tail = row; row = nextRow; } // TODO: If workInProgress.child is null, we can continue on the tail immediately. initSuspenseListRenderState(workInProgress, true, _tail, null, tailMode); break; case "together": initSuspenseListRenderState(workInProgress, false, null, null, undefined); break; default: // The default reveal order is the same as not having // a boundary. workInProgress.memoizedState = null; } return workInProgress.child; } function updatePortalComponent(current, workInProgress, renderLanes) { pushHostContainer(workInProgress, workInProgress.stateNode.containerInfo); var nextChildren = workInProgress.pendingProps; if (current === null) // Portals are special because we don't append the children during mount // but at commit. Therefore we need to track insertions which the normal // flow doesn't do during mount. This doesn't happen at the root because // the root always starts with a "current" with a null child. // TODO: Consider unifying this with how the root works. workInProgress.child = reconcileChildFibers(workInProgress, null, nextChildren, renderLanes); else reconcileChildren(current, workInProgress, nextChildren, renderLanes); return workInProgress.child; } var hasWarnedAboutUsingNoValuePropOnContextProvider = false; function updateContextProvider(current, workInProgress, renderLanes) { var providerType = workInProgress.type; var context = providerType._context; var newProps = workInProgress.pendingProps; var oldProps = workInProgress.memoizedProps; var newValue = newProps.value; if (!("value" in newProps)) { if (!hasWarnedAboutUsingNoValuePropOnContextProvider) { hasWarnedAboutUsingNoValuePropOnContextProvider = true; error("The `value` prop is required for the ``. Did you misspell it or forget to pass it?"); } } var providerPropTypes = workInProgress.type.propTypes; if (providerPropTypes) checkPropTypes(providerPropTypes, newProps, "prop", "Context.Provider"); pushProvider(workInProgress, context, newValue); if (oldProps !== null) { var oldValue = oldProps.value; if (objectIs(oldValue, newValue)) { // No change. Bailout early if children are the same. if (oldProps.children === newProps.children && !hasContextChanged()) return bailoutOnAlreadyFinishedWork(current, workInProgress, renderLanes); } else // The context value changed. Search for matching consumers and schedule // them to update. propagateContextChange(workInProgress, context, renderLanes); } var newChildren = newProps.children; reconcileChildren(current, workInProgress, newChildren, renderLanes); return workInProgress.child; } var hasWarnedAboutUsingContextAsConsumer = false; function updateContextConsumer(current, workInProgress, renderLanes) { var context = workInProgress.type; // The logic below for Context differs depending on PROD or DEV mode. In if (context._context === undefined) { // This may be because it's a Context (rather than a Consumer). // Or it may be because it's older React where they're the same thing. // We only want to warn if we're sure it's a new React. if (context !== context.Consumer) { if (!hasWarnedAboutUsingContextAsConsumer) { hasWarnedAboutUsingContextAsConsumer = true; error("Rendering directly is not supported and will be removed in a future major release. Did you mean to render instead?"); } } } else context = context._context; var newProps = workInProgress.pendingProps; var render = newProps.children; if (typeof render !== "function") error("A context consumer was rendered with multiple children, or a child that isn't a function. A context consumer expects a single child that is a function. If you did pass a function, make sure there is no trailing or leading whitespace around it."); prepareToReadContext(workInProgress, renderLanes); var newValue = readContext(context); markComponentRenderStarted(workInProgress); var newChildren; ReactCurrentOwner$1.current = workInProgress; setIsRendering(true); newChildren = render(newValue); setIsRendering(false); markComponentRenderStopped(); workInProgress.flags |= PerformedWork; reconcileChildren(current, workInProgress, newChildren, renderLanes); return workInProgress.child; } function markWorkInProgressReceivedUpdate() { didReceiveUpdate = true; } function resetSuspendedCurrentOnMountInLegacyMode(current, workInProgress) { if ((workInProgress.mode & ConcurrentMode) === NoMode) { if (current !== null) { // A lazy component only mounts if it suspended inside a non- // concurrent tree, in an inconsistent state. We want to treat it like // a new mount, even though an empty version of it already committed. // Disconnect the alternate pointers. current.alternate = null; workInProgress.alternate = null; // Since this is conceptually a new fiber, schedule a Placement effect workInProgress.flags |= Placement; } } } function bailoutOnAlreadyFinishedWork(current, workInProgress, renderLanes) { if (current !== null) // Reuse previous dependencies workInProgress.dependencies = current.dependencies; // Don't update "base" render times for bailouts. stopProfilerTimerIfRunning(); markSkippedUpdateLanes(workInProgress.lanes); // Check if the children have any pending work. if (!includesSomeLane(renderLanes, workInProgress.childLanes)) return null; // This fiber doesn't have work, but its subtree does. Clone the child // fibers and continue. cloneChildFibers(current, workInProgress); return workInProgress.child; } function remountFiber(current, oldWorkInProgress, newWorkInProgress) { var returnFiber = oldWorkInProgress.return; if (returnFiber === null) // eslint-disable-next-line react-internal/prod-error-codes throw new Error("Cannot swap the root fiber."); // Disconnect from the old current. // It will get deleted. current.alternate = null; oldWorkInProgress.alternate = null; // Connect to the new tree. newWorkInProgress.index = oldWorkInProgress.index; newWorkInProgress.sibling = oldWorkInProgress.sibling; newWorkInProgress.return = oldWorkInProgress.return; newWorkInProgress.ref = oldWorkInProgress.ref; // Replace the child/sibling pointers above it. if (oldWorkInProgress === returnFiber.child) returnFiber.child = newWorkInProgress; else { var prevSibling = returnFiber.child; if (prevSibling === null) // eslint-disable-next-line react-internal/prod-error-codes throw new Error("Expected parent to have a child."); while(prevSibling.sibling !== oldWorkInProgress){ prevSibling = prevSibling.sibling; if (prevSibling === null) // eslint-disable-next-line react-internal/prod-error-codes throw new Error("Expected to find the previous sibling."); } prevSibling.sibling = newWorkInProgress; } // Delete the old fiber and place the new one. // Since the old fiber is disconnected, we have to schedule it manually. var deletions = returnFiber.deletions; if (deletions === null) { returnFiber.deletions = [ current ]; returnFiber.flags |= ChildDeletion; } else deletions.push(current); newWorkInProgress.flags |= Placement; // Restart work from the new fiber. return newWorkInProgress; } function checkScheduledUpdateOrContext(current, renderLanes) { // Before performing an early bailout, we must check if there are pending // updates or context. var updateLanes = current.lanes; if (includesSomeLane(updateLanes, renderLanes)) return true; // No pending update, but because context is propagated lazily, we need return false; } function attemptEarlyBailoutIfNoScheduledUpdate(current, workInProgress, renderLanes) { // This fiber does not have any pending work. Bailout without entering // the begin phase. There's still some bookkeeping we that needs to be done // in this optimized path, mostly pushing stuff onto the stack. switch(workInProgress.tag){ case HostRoot: pushHostRootContext(workInProgress); var root = workInProgress.stateNode; resetHydrationState(); break; case HostComponent: pushHostContext(workInProgress); break; case ClassComponent: var Component = workInProgress.type; if (isContextProvider(Component)) pushContextProvider(workInProgress); break; case HostPortal: pushHostContainer(workInProgress, workInProgress.stateNode.containerInfo); break; case ContextProvider: var newValue = workInProgress.memoizedProps.value; var context = workInProgress.type._context; pushProvider(workInProgress, context, newValue); break; case Profiler: // Profiler should only call onRender when one of its descendants actually rendered. var hasChildWork = includesSomeLane(renderLanes, workInProgress.childLanes); if (hasChildWork) workInProgress.flags |= Update; // Reset effect durations for the next eventual effect phase. // These are reset during render to allow the DevTools commit hook a chance to read them, var stateNode = workInProgress.stateNode; stateNode.effectDuration = 0; stateNode.passiveEffectDuration = 0; break; case SuspenseComponent: var state = workInProgress.memoizedState; if (state !== null) { if (state.dehydrated !== null) { pushSuspenseContext(workInProgress, setDefaultShallowSuspenseContext(suspenseStackCursor.current)); // We know that this component will suspend again because if it has // been unsuspended it has committed as a resolved Suspense component. // If it needs to be retried, it should have work scheduled on it. workInProgress.flags |= DidCapture; // We should never render the children of a dehydrated boundary until we // upgrade it. We return null instead of bailoutOnAlreadyFinishedWork. return null; } // If this boundary is currently timed out, we need to decide // whether to retry the primary children, or to skip over it and // go straight to the fallback. Check the priority of the primary // child fragment. var primaryChildFragment = workInProgress.child; var primaryChildLanes = primaryChildFragment.childLanes; if (includesSomeLane(renderLanes, primaryChildLanes)) // The primary children have pending work. Use the normal path // to attempt to render the primary children again. return updateSuspenseComponent(current, workInProgress, renderLanes); else { // The primary child fragment does not have pending work marked // on it pushSuspenseContext(workInProgress, setDefaultShallowSuspenseContext(suspenseStackCursor.current)); // The primary children do not have pending work with sufficient // priority. Bailout. var child = bailoutOnAlreadyFinishedWork(current, workInProgress, renderLanes); if (child !== null) // The fallback children have pending work. Skip over the // primary children and work on the fallback. return child.sibling; else // Note: We can return `null` here because we already checked // whether there were nested context consumers, via the call to // `bailoutOnAlreadyFinishedWork` above. return null; } } else pushSuspenseContext(workInProgress, setDefaultShallowSuspenseContext(suspenseStackCursor.current)); break; case SuspenseListComponent: var didSuspendBefore = (current.flags & DidCapture) !== NoFlags; var _hasChildWork = includesSomeLane(renderLanes, workInProgress.childLanes); if (didSuspendBefore) { if (_hasChildWork) // If something was in fallback state last time, and we have all the // same children then we're still in progressive loading state. // Something might get unblocked by state updates or retries in the // tree which will affect the tail. So we need to use the normal // path to compute the correct tail. return updateSuspenseListComponent(current, workInProgress, renderLanes); // If none of the children had any work, that means that none of // them got retried so they'll still be blocked in the same way // as before. We can fast bail out. workInProgress.flags |= DidCapture; } // If nothing suspended before and we're rendering the same children, // then the tail doesn't matter. Anything new that suspends will work // in the "together" mode, so we can continue from the state we had. var renderState = workInProgress.memoizedState; if (renderState !== null) { // Reset to the "together" mode in case we've started a different // update in the past but didn't complete it. renderState.rendering = null; renderState.tail = null; renderState.lastEffect = null; } pushSuspenseContext(workInProgress, suspenseStackCursor.current); if (_hasChildWork) break; else // If none of the children had any work, that means that none of // them got retried so they'll still be blocked in the same way // as before. We can fast bail out. return null; case OffscreenComponent: case LegacyHiddenComponent: // Need to check if the tree still needs to be deferred. This is // almost identical to the logic used in the normal update path, // so we'll just enter that. The only difference is we'll bail out // at the next level instead of this one, because the child props // have not changed. Which is fine. // TODO: Probably should refactor `beginWork` to split the bailout // path from the normal path. I'm tempted to do a labeled break here // but I won't :) workInProgress.lanes = NoLanes; return updateOffscreenComponent(current, workInProgress, renderLanes); } return bailoutOnAlreadyFinishedWork(current, workInProgress, renderLanes); } function beginWork(current, workInProgress, renderLanes) { if (workInProgress._debugNeedsRemount && current !== null) // This will restart the begin phase with a new fiber. return remountFiber(current, workInProgress, createFiberFromTypeAndProps(workInProgress.type, workInProgress.key, workInProgress.pendingProps, workInProgress._debugOwner || null, workInProgress.mode, workInProgress.lanes)); if (current !== null) { var oldProps = current.memoizedProps; var newProps = workInProgress.pendingProps; if (oldProps !== newProps || hasContextChanged() || workInProgress.type !== current.type) // If props or context changed, mark the fiber as having performed work. // This may be unset if the props are determined to be equal later (memo). didReceiveUpdate = true; else { // Neither props nor legacy context changes. Check if there's a pending // update or context change. var hasScheduledUpdateOrContext = checkScheduledUpdateOrContext(current, renderLanes); if (!hasScheduledUpdateOrContext && // If this is the second pass of an error or suspense boundary, there // may not be work scheduled on `current`, so we check for this flag. (workInProgress.flags & DidCapture) === NoFlags) { // No pending updates or context. Bail out now. didReceiveUpdate = false; return attemptEarlyBailoutIfNoScheduledUpdate(current, workInProgress, renderLanes); } if ((current.flags & ForceUpdateForLegacySuspense) !== NoFlags) // This is a special case that only exists for legacy mode. // See https://github.com/facebook/react/pull/19216. didReceiveUpdate = true; else // An update was scheduled on this fiber, but there are no new props // nor legacy context. Set this to false. If an update queue or context // consumer produces a changed value, it will set this to true. Otherwise, // the component will assume the children have not changed and bail out. didReceiveUpdate = false; } } else { didReceiveUpdate = false; if (getIsHydrating() && isForkedChild(workInProgress)) { // Check if this child belongs to a list of muliple children in // its parent. // // In a true multi-threaded implementation, we would render children on // parallel threads. This would represent the beginning of a new render // thread for this subtree. // // We only use this for id generation during hydration, which is why the // logic is located in this special branch. var slotIndex = workInProgress.index; var numberOfForks = getForksAtLevel(); pushTreeId(workInProgress, numberOfForks, slotIndex); } } // Before entering the begin phase, clear pending update priority. // TODO: This assumes that we're about to evaluate the component and process // the update queue. However, there's an exception: SimpleMemoComponent // sometimes bails out later in the begin phase. This indicates that we should // move this assignment out of the common path and into each branch. workInProgress.lanes = NoLanes; switch(workInProgress.tag){ case IndeterminateComponent: return mountIndeterminateComponent(current, workInProgress, workInProgress.type, renderLanes); case LazyComponent: var elementType = workInProgress.elementType; return mountLazyComponent(current, workInProgress, elementType, renderLanes); case FunctionComponent: var Component = workInProgress.type; var unresolvedProps = workInProgress.pendingProps; var resolvedProps = workInProgress.elementType === Component ? unresolvedProps : resolveDefaultProps(Component, unresolvedProps); return updateFunctionComponent(current, workInProgress, Component, resolvedProps, renderLanes); case ClassComponent: var _Component = workInProgress.type; var _unresolvedProps = workInProgress.pendingProps; var _resolvedProps = workInProgress.elementType === _Component ? _unresolvedProps : resolveDefaultProps(_Component, _unresolvedProps); return updateClassComponent(current, workInProgress, _Component, _resolvedProps, renderLanes); case HostRoot: return updateHostRoot(current, workInProgress, renderLanes); case HostComponent: return updateHostComponent(current, workInProgress, renderLanes); case HostText: return updateHostText(current, workInProgress); case SuspenseComponent: return updateSuspenseComponent(current, workInProgress, renderLanes); case HostPortal: return updatePortalComponent(current, workInProgress, renderLanes); case ForwardRef: var type = workInProgress.type; var _unresolvedProps2 = workInProgress.pendingProps; var _resolvedProps2 = workInProgress.elementType === type ? _unresolvedProps2 : resolveDefaultProps(type, _unresolvedProps2); return updateForwardRef(current, workInProgress, type, _resolvedProps2, renderLanes); case Fragment: return updateFragment(current, workInProgress, renderLanes); case Mode: return updateMode(current, workInProgress, renderLanes); case Profiler: return updateProfiler(current, workInProgress, renderLanes); case ContextProvider: return updateContextProvider(current, workInProgress, renderLanes); case ContextConsumer: return updateContextConsumer(current, workInProgress, renderLanes); case MemoComponent: var _type2 = workInProgress.type; var _unresolvedProps3 = workInProgress.pendingProps; // Resolve outer props first, then resolve inner props. var _resolvedProps3 = resolveDefaultProps(_type2, _unresolvedProps3); if (workInProgress.type !== workInProgress.elementType) { var outerPropTypes = _type2.propTypes; if (outerPropTypes) checkPropTypes(outerPropTypes, _resolvedProps3, "prop", getComponentNameFromType(_type2)); } _resolvedProps3 = resolveDefaultProps(_type2.type, _resolvedProps3); return updateMemoComponent(current, workInProgress, _type2, _resolvedProps3, renderLanes); case SimpleMemoComponent: return updateSimpleMemoComponent(current, workInProgress, workInProgress.type, workInProgress.pendingProps, renderLanes); case IncompleteClassComponent: var _Component2 = workInProgress.type; var _unresolvedProps4 = workInProgress.pendingProps; var _resolvedProps4 = workInProgress.elementType === _Component2 ? _unresolvedProps4 : resolveDefaultProps(_Component2, _unresolvedProps4); return mountIncompleteClassComponent(current, workInProgress, _Component2, _resolvedProps4, renderLanes); case SuspenseListComponent: return updateSuspenseListComponent(current, workInProgress, renderLanes); case ScopeComponent: break; case OffscreenComponent: return updateOffscreenComponent(current, workInProgress, renderLanes); } throw new Error("Unknown unit of work tag (" + workInProgress.tag + "). This error is likely caused by a bug in " + "React. Please file an issue."); } function markUpdate(workInProgress) { // Tag the fiber with an update effect. This turns a Placement into // a PlacementAndUpdate. workInProgress.flags |= Update; } function markRef$1(workInProgress) { workInProgress.flags |= Ref; workInProgress.flags |= RefStatic; } var appendAllChildren; var updateHostContainer; var updateHostComponent$1; var updateHostText$1; // Mutation mode appendAllChildren = function(parent, workInProgress, needsVisibilityToggle, isHidden) { // We only have the top Fiber that was created but we need recurse down its // children to find all the terminal nodes. var node = workInProgress.child; while(node !== null){ if (node.tag === HostComponent || node.tag === HostText) appendInitialChild(parent, node.stateNode); else if (node.tag === HostPortal) ; else if (node.child !== null) { node.child.return = node; node = node.child; continue; } if (node === workInProgress) return; while(node.sibling === null){ if (node.return === null || node.return === workInProgress) return; node = node.return; } node.sibling.return = node.return; node = node.sibling; } }; updateHostContainer = function(current, workInProgress) {}; updateHostComponent$1 = function(current, workInProgress, type, newProps, rootContainerInstance) { // If we have an alternate, that means this is an update and we need to // schedule a side-effect to do the updates. var oldProps = current.memoizedProps; if (oldProps === newProps) // In mutation mode, this is sufficient for a bailout because // we won't touch this node even if children changed. return; // If we get updated because one of our children updated, we don't // have newProps so we'll have to reuse them. // TODO: Split the update API as separate for the props vs. children. // Even better would be if children weren't special cased at all tho. var instance = workInProgress.stateNode; var currentHostContext = getHostContext(); // TODO: Experiencing an error where oldProps is null. Suggests a host // component is hitting the resume path. Figure out why. Possibly // related to `hidden`. var updatePayload = prepareUpdate(instance, type, oldProps, newProps, rootContainerInstance, currentHostContext); // TODO: Type this specific to this type of component. workInProgress.updateQueue = updatePayload; // If the update payload indicates that there is a change or if there // is a new ref we mark this as an update. All the work is done in commitWork. if (updatePayload) markUpdate(workInProgress); }; updateHostText$1 = function(current, workInProgress, oldText, newText) { // If the text differs, mark it as an update. All the work in done in commitWork. if (oldText !== newText) markUpdate(workInProgress); }; function cutOffTailIfNeeded(renderState, hasRenderedATailFallback) { if (getIsHydrating()) // If we're hydrating, we should consume as many items as we can // so we don't leave any behind. return; switch(renderState.tailMode){ case "hidden": // Any insertions at the end of the tail list after this point // should be invisible. If there are already mounted boundaries // anything before them are not considered for collapsing. // Therefore we need to go through the whole tail to find if // there are any. var tailNode = renderState.tail; var lastTailNode = null; while(tailNode !== null){ if (tailNode.alternate !== null) lastTailNode = tailNode; tailNode = tailNode.sibling; } // Next we're simply going to delete all insertions after the // last rendered item. if (lastTailNode === null) // All remaining items in the tail are insertions. renderState.tail = null; else // Detach the insertion after the last node that was already // inserted. lastTailNode.sibling = null; break; case "collapsed": // Any insertions at the end of the tail list after this point // should be invisible. If there are already mounted boundaries // anything before them are not considered for collapsing. // Therefore we need to go through the whole tail to find if // there are any. var _tailNode = renderState.tail; var _lastTailNode = null; while(_tailNode !== null){ if (_tailNode.alternate !== null) _lastTailNode = _tailNode; _tailNode = _tailNode.sibling; } // Next we're simply going to delete all insertions after the // last rendered item. if (_lastTailNode === null) { // All remaining items in the tail are insertions. if (!hasRenderedATailFallback && renderState.tail !== null) // We suspended during the head. We want to show at least one // row at the tail. So we'll keep on and cut off the rest. renderState.tail.sibling = null; else renderState.tail = null; } else // Detach the insertion after the last node that was already // inserted. _lastTailNode.sibling = null; break; } } function bubbleProperties(completedWork) { var didBailout = completedWork.alternate !== null && completedWork.alternate.child === completedWork.child; var newChildLanes = NoLanes; var subtreeFlags = NoFlags; if (!didBailout) { // Bubble up the earliest expiration time. if ((completedWork.mode & ProfileMode) !== NoMode) { // In profiling mode, resetChildExpirationTime is also used to reset // profiler durations. var actualDuration = completedWork.actualDuration; var treeBaseDuration = completedWork.selfBaseDuration; var child = completedWork.child; while(child !== null){ newChildLanes = mergeLanes(newChildLanes, mergeLanes(child.lanes, child.childLanes)); subtreeFlags |= child.subtreeFlags; subtreeFlags |= child.flags; // When a fiber is cloned, its actualDuration is reset to 0. This value will // only be updated if work is done on the fiber (i.e. it doesn't bailout). // When work is done, it should bubble to the parent's actualDuration. If // the fiber has not been cloned though, (meaning no work was done), then // this value will reflect the amount of time spent working on a previous // render. In that case it should not bubble. We determine whether it was // cloned by comparing the child pointer. actualDuration += child.actualDuration; treeBaseDuration += child.treeBaseDuration; child = child.sibling; } completedWork.actualDuration = actualDuration; completedWork.treeBaseDuration = treeBaseDuration; } else { var _child = completedWork.child; while(_child !== null){ newChildLanes = mergeLanes(newChildLanes, mergeLanes(_child.lanes, _child.childLanes)); subtreeFlags |= _child.subtreeFlags; subtreeFlags |= _child.flags; // Update the return pointer so the tree is consistent. This is a code // smell because it assumes the commit phase is never concurrent with // the render phase. Will address during refactor to alternate model. _child.return = completedWork; _child = _child.sibling; } } completedWork.subtreeFlags |= subtreeFlags; } else { // Bubble up the earliest expiration time. if ((completedWork.mode & ProfileMode) !== NoMode) { // In profiling mode, resetChildExpirationTime is also used to reset // profiler durations. var _treeBaseDuration = completedWork.selfBaseDuration; var _child2 = completedWork.child; while(_child2 !== null){ newChildLanes = mergeLanes(newChildLanes, mergeLanes(_child2.lanes, _child2.childLanes)); // "Static" flags share the lifetime of the fiber/hook they belong to, // so we should bubble those up even during a bailout. All the other // flags have a lifetime only of a single render + commit, so we should // ignore them. subtreeFlags |= _child2.subtreeFlags & StaticMask; subtreeFlags |= _child2.flags & StaticMask; _treeBaseDuration += _child2.treeBaseDuration; _child2 = _child2.sibling; } completedWork.treeBaseDuration = _treeBaseDuration; } else { var _child3 = completedWork.child; while(_child3 !== null){ newChildLanes = mergeLanes(newChildLanes, mergeLanes(_child3.lanes, _child3.childLanes)); // "Static" flags share the lifetime of the fiber/hook they belong to, // so we should bubble those up even during a bailout. All the other // flags have a lifetime only of a single render + commit, so we should // ignore them. subtreeFlags |= _child3.subtreeFlags & StaticMask; subtreeFlags |= _child3.flags & StaticMask; // Update the return pointer so the tree is consistent. This is a code // smell because it assumes the commit phase is never concurrent with // the render phase. Will address during refactor to alternate model. _child3.return = completedWork; _child3 = _child3.sibling; } } completedWork.subtreeFlags |= subtreeFlags; } completedWork.childLanes = newChildLanes; return didBailout; } function completeDehydratedSuspenseBoundary(current, workInProgress, nextState) { if (hasUnhydratedTailNodes() && (workInProgress.mode & ConcurrentMode) !== NoMode && (workInProgress.flags & DidCapture) === NoFlags) { warnIfUnhydratedTailNodes(workInProgress); resetHydrationState(); workInProgress.flags |= ForceClientRender | Incomplete | ShouldCapture; return false; } var wasHydrated = popHydrationState(workInProgress); if (nextState !== null && nextState.dehydrated !== null) { // We might be inside a hydration state the first time we're picking up this // Suspense boundary, and also after we've reentered it for further hydration. if (current === null) { if (!wasHydrated) throw new Error("A dehydrated suspense component was completed without a hydrated node. This is probably a bug in React."); prepareToHydrateHostSuspenseInstance(workInProgress); bubbleProperties(workInProgress); if ((workInProgress.mode & ProfileMode) !== NoMode) { var isTimedOutSuspense = nextState !== null; if (isTimedOutSuspense) { // Don't count time spent in a timed out Suspense subtree as part of the base duration. var primaryChildFragment = workInProgress.child; if (primaryChildFragment !== null) // $FlowFixMe Flow doesn't support type casting in combination with the -= operator workInProgress.treeBaseDuration -= primaryChildFragment.treeBaseDuration; } } return false; } else { // We might have reentered this boundary to hydrate it. If so, we need to reset the hydration // state since we're now exiting out of it. popHydrationState doesn't do that for us. resetHydrationState(); if ((workInProgress.flags & DidCapture) === NoFlags) // This boundary did not suspend so it's now hydrated and unsuspended. workInProgress.memoizedState = null; // If nothing suspended, we need to schedule an effect to mark this boundary // as having hydrated so events know that they're free to be invoked. // It's also a signal to replay events and the suspense callback. // If something suspended, schedule an effect to attach retry listeners. // So we might as well always mark this. workInProgress.flags |= Update; bubbleProperties(workInProgress); if ((workInProgress.mode & ProfileMode) !== NoMode) { var _isTimedOutSuspense = nextState !== null; if (_isTimedOutSuspense) { // Don't count time spent in a timed out Suspense subtree as part of the base duration. var _primaryChildFragment = workInProgress.child; if (_primaryChildFragment !== null) // $FlowFixMe Flow doesn't support type casting in combination with the -= operator workInProgress.treeBaseDuration -= _primaryChildFragment.treeBaseDuration; } } return false; } } else { // Successfully completed this tree. If this was a forced client render, // there may have been recoverable errors during first hydration // attempt. If so, add them to a queue so we can log them in the // commit phase. upgradeHydrationErrorsToRecoverable(); // Fall through to normal Suspense path return true; } } function completeWork(current, workInProgress, renderLanes) { var newProps = workInProgress.pendingProps; // Note: This intentionally doesn't check if we're hydrating because comparing // to the current tree provider fiber is just as fast and less error-prone. // Ideally we would have a special version of the work loop only // for hydration. popTreeContext(workInProgress); switch(workInProgress.tag){ case IndeterminateComponent: case LazyComponent: case SimpleMemoComponent: case FunctionComponent: case ForwardRef: case Fragment: case Mode: case Profiler: case ContextConsumer: case MemoComponent: bubbleProperties(workInProgress); return null; case ClassComponent: var Component = workInProgress.type; if (isContextProvider(Component)) popContext(workInProgress); bubbleProperties(workInProgress); return null; case HostRoot: var fiberRoot = workInProgress.stateNode; popHostContainer(workInProgress); popTopLevelContextObject(workInProgress); resetWorkInProgressVersions(); if (fiberRoot.pendingContext) { fiberRoot.context = fiberRoot.pendingContext; fiberRoot.pendingContext = null; } if (current === null || current.child === null) { // If we hydrated, pop so that we can delete any remaining children // that weren't hydrated. var wasHydrated = popHydrationState(workInProgress); if (wasHydrated) // If we hydrated, then we'll need to schedule an update for // the commit side-effects on the root. markUpdate(workInProgress); else if (current !== null) { var prevState = current.memoizedState; if (!prevState.isDehydrated || // Check if we reverted to client rendering (e.g. due to an error) (workInProgress.flags & ForceClientRender) !== NoFlags) { // Schedule an effect to clear this container at the start of the // next commit. This handles the case of React rendering into a // container with previous children. It's also safe to do for // updates too, because current.child would only be null if the // previous render was null (so the container would already // be empty). workInProgress.flags |= Snapshot; // If this was a forced client render, there may have been // recoverable errors during first hydration attempt. If so, add // them to a queue so we can log them in the commit phase. upgradeHydrationErrorsToRecoverable(); } } } updateHostContainer(current, workInProgress); bubbleProperties(workInProgress); return null; case HostComponent: popHostContext(workInProgress); var rootContainerInstance = getRootHostContainer(); var type = workInProgress.type; if (current !== null && workInProgress.stateNode != null) { updateHostComponent$1(current, workInProgress, type, newProps, rootContainerInstance); if (current.ref !== workInProgress.ref) markRef$1(workInProgress); } else { if (!newProps) { if (workInProgress.stateNode === null) throw new Error("We must have new props for new mounts. This error is likely caused by a bug in React. Please file an issue."); // This can happen when we abort work. bubbleProperties(workInProgress); return null; } var currentHostContext = getHostContext(); // TODO: Move createInstance to beginWork and keep it on a context // "stack" as the parent. Then append children as we go in beginWork // or completeWork depending on whether we want to add them top->down or // bottom->up. Top->down is faster in IE11. var _wasHydrated = popHydrationState(workInProgress); if (_wasHydrated) // TODO: Move this and createInstance step into the beginPhase // to consolidate. { if (prepareToHydrateHostInstance(workInProgress, rootContainerInstance, currentHostContext)) // If changes to the hydrated node need to be applied at the // commit-phase we mark this as such. markUpdate(workInProgress); } else { var instance = createInstance(type, newProps, rootContainerInstance, currentHostContext, workInProgress); appendAllChildren(instance, workInProgress, false, false); workInProgress.stateNode = instance; // Certain renderers require commit-time effects for initial mount. // (eg DOM renderer supports auto-focus for certain elements). // Make sure such renderers get scheduled for later work. if (finalizeInitialChildren(instance, type, newProps, rootContainerInstance)) markUpdate(workInProgress); } if (workInProgress.ref !== null) // If there is a ref on a host node we need to schedule a callback markRef$1(workInProgress); } bubbleProperties(workInProgress); return null; case HostText: var newText = newProps; if (current && workInProgress.stateNode != null) { var oldText = current.memoizedProps; // If we have an alternate, that means this is an update and we need // to schedule a side-effect to do the updates. updateHostText$1(current, workInProgress, oldText, newText); } else { if (typeof newText !== "string") { if (workInProgress.stateNode === null) throw new Error("We must have new props for new mounts. This error is likely caused by a bug in React. Please file an issue."); // This can happen when we abort work. } var _rootContainerInstance = getRootHostContainer(); var _currentHostContext = getHostContext(); var _wasHydrated2 = popHydrationState(workInProgress); if (_wasHydrated2) { if (prepareToHydrateHostTextInstance(workInProgress)) markUpdate(workInProgress); } else workInProgress.stateNode = createTextInstance(newText, _rootContainerInstance, _currentHostContext, workInProgress); } bubbleProperties(workInProgress); return null; case SuspenseComponent: popSuspenseContext(workInProgress); var nextState = workInProgress.memoizedState; // Special path for dehydrated boundaries. We may eventually move this // to its own fiber type so that we can add other kinds of hydration // boundaries that aren't associated with a Suspense tree. In anticipation // of such a refactor, all the hydration logic is contained in // this branch. if (current === null || current.memoizedState !== null && current.memoizedState.dehydrated !== null) { var fallthroughToNormalSuspensePath = completeDehydratedSuspenseBoundary(current, workInProgress, nextState); if (!fallthroughToNormalSuspensePath) { if (workInProgress.flags & ShouldCapture) // Special case. There were remaining unhydrated nodes. We treat // this as a mismatch. Revert to client rendering. return workInProgress; else // Did not finish hydrating, either because this is the initial // render or because something suspended. return null; } // Continue with the normal Suspense path. } if ((workInProgress.flags & DidCapture) !== NoFlags) { // Something suspended. Re-render with the fallback children. workInProgress.lanes = renderLanes; // Do not reset the effect list. if ((workInProgress.mode & ProfileMode) !== NoMode) transferActualDuration(workInProgress); // Don't bubble properties in this case. return workInProgress; } var nextDidTimeout = nextState !== null; var prevDidTimeout = current !== null && current.memoizedState !== null; // a passive effect, which is when we process the transitions if (nextDidTimeout !== prevDidTimeout) // an effect to toggle the subtree's visibility. When we switch from // fallback -> primary, the inner Offscreen fiber schedules this effect // as part of its normal complete phase. But when we switch from // primary -> fallback, the inner Offscreen fiber does not have a complete // phase. So we need to schedule its effect here. // // We also use this flag to connect/disconnect the effects, but the same // logic applies: when re-connecting, the Offscreen fiber's complete // phase will handle scheduling the effect. It's only when the fallback // is active that we have to do anything special. { if (nextDidTimeout) { var _offscreenFiber2 = workInProgress.child; _offscreenFiber2.flags |= Visibility; // TODO: This will still suspend a synchronous tree if anything // in the concurrent tree already suspended during this render. // This is a known bug. if ((workInProgress.mode & ConcurrentMode) !== NoMode) { // TODO: Move this back to throwException because this is too late // if this is a large tree which is common for initial loads. We // don't know if we should restart a render or not until we get // this marker, and this is too late. // If this render already had a ping or lower pri updates, // and this is the first time we know we're going to suspend we // should be able to immediately restart from within throwException. var hasInvisibleChildContext = current === null && (workInProgress.memoizedProps.unstable_avoidThisFallback !== true || !enableSuspenseAvoidThisFallback); if (hasInvisibleChildContext || hasSuspenseContext(suspenseStackCursor.current, InvisibleParentSuspenseContext)) // If this was in an invisible tree or a new render, then showing // this boundary is ok. renderDidSuspend(); else // Otherwise, we're going to have to hide content so we should // suspend for longer if possible. renderDidSuspendDelayIfPossible(); } } } var wakeables = workInProgress.updateQueue; if (wakeables !== null) // Schedule an effect to attach a retry listener to the promise. // TODO: Move to passive phase workInProgress.flags |= Update; bubbleProperties(workInProgress); if ((workInProgress.mode & ProfileMode) !== NoMode) { if (nextDidTimeout) { // Don't count time spent in a timed out Suspense subtree as part of the base duration. var primaryChildFragment = workInProgress.child; if (primaryChildFragment !== null) // $FlowFixMe Flow doesn't support type casting in combination with the -= operator workInProgress.treeBaseDuration -= primaryChildFragment.treeBaseDuration; } } return null; case HostPortal: popHostContainer(workInProgress); updateHostContainer(current, workInProgress); if (current === null) preparePortalMount(workInProgress.stateNode.containerInfo); bubbleProperties(workInProgress); return null; case ContextProvider: // Pop provider fiber var context = workInProgress.type._context; popProvider(context, workInProgress); bubbleProperties(workInProgress); return null; case IncompleteClassComponent: // Same as class component case. I put it down here so that the tags are // sequential to ensure this switch is compiled to a jump table. var _Component = workInProgress.type; if (isContextProvider(_Component)) popContext(workInProgress); bubbleProperties(workInProgress); return null; case SuspenseListComponent: popSuspenseContext(workInProgress); var renderState = workInProgress.memoizedState; if (renderState === null) { // We're running in the default, "independent" mode. // We don't do anything in this mode. bubbleProperties(workInProgress); return null; } var didSuspendAlready = (workInProgress.flags & DidCapture) !== NoFlags; var renderedTail = renderState.rendering; if (renderedTail === null) { // We just rendered the head. if (!didSuspendAlready) { // This is the first pass. We need to figure out if anything is still // suspended in the rendered set. // If new content unsuspended, but there's still some content that // didn't. Then we need to do a second pass that forces everything // to keep showing their fallbacks. // We might be suspended if something in this render pass suspended, or // something in the previous committed pass suspended. Otherwise, // there's no chance so we can skip the expensive call to // findFirstSuspended. var cannotBeSuspended = renderHasNotSuspendedYet() && (current === null || (current.flags & DidCapture) === NoFlags); if (!cannotBeSuspended) { var row = workInProgress.child; while(row !== null){ var suspended = findFirstSuspended(row); if (suspended !== null) { didSuspendAlready = true; workInProgress.flags |= DidCapture; cutOffTailIfNeeded(renderState, false); // If this is a newly suspended tree, it might not get committed as // part of the second pass. In that case nothing will subscribe to // its thenables. Instead, we'll transfer its thenables to the // SuspenseList so that it can retry if they resolve. // There might be multiple of these in the list but since we're // going to wait for all of them anyway, it doesn't really matter // which ones gets to ping. In theory we could get clever and keep // track of how many dependencies remain but it gets tricky because // in the meantime, we can add/remove/change items and dependencies. // We might bail out of the loop before finding any but that // doesn't matter since that means that the other boundaries that // we did find already has their listeners attached. var newThenables = suspended.updateQueue; if (newThenables !== null) { workInProgress.updateQueue = newThenables; workInProgress.flags |= Update; } // Rerender the whole list, but this time, we'll force fallbacks // to stay in place. // Reset the effect flags before doing the second pass since that's now invalid. // Reset the child fibers to their original state. workInProgress.subtreeFlags = NoFlags; resetChildFibers(workInProgress, renderLanes); // Set up the Suspense Context to force suspense and immediately // rerender the children. pushSuspenseContext(workInProgress, setShallowSuspenseContext(suspenseStackCursor.current, ForceSuspenseFallback)); // Don't bubble properties in this case. return workInProgress.child; } row = row.sibling; } } if (renderState.tail !== null && now() > getRenderTargetTime()) { // We have already passed our CPU deadline but we still have rows // left in the tail. We'll just give up further attempts to render // the main content and only render fallbacks. workInProgress.flags |= DidCapture; didSuspendAlready = true; cutOffTailIfNeeded(renderState, false); // Since nothing actually suspended, there will nothing to ping this // to get it started back up to attempt the next item. While in terms // of priority this work has the same priority as this current render, // it's not part of the same transition once the transition has // committed. If it's sync, we still want to yield so that it can be // painted. Conceptually, this is really the same as pinging. // We can use any RetryLane even if it's the one currently rendering // since we're leaving it behind on this node. workInProgress.lanes = SomeRetryLane; } } else cutOffTailIfNeeded(renderState, false); // Next we're going to render the tail. } else { // Append the rendered row to the child list. if (!didSuspendAlready) { var _suspended = findFirstSuspended(renderedTail); if (_suspended !== null) { workInProgress.flags |= DidCapture; didSuspendAlready = true; // Ensure we transfer the update queue to the parent so that it doesn't // get lost if this row ends up dropped during a second pass. var _newThenables = _suspended.updateQueue; if (_newThenables !== null) { workInProgress.updateQueue = _newThenables; workInProgress.flags |= Update; } cutOffTailIfNeeded(renderState, true); // This might have been modified. if (renderState.tail === null && renderState.tailMode === "hidden" && !renderedTail.alternate && !getIsHydrating() // We don't cut it if we're hydrating. ) { // We're done. bubbleProperties(workInProgress); return null; } } else if (// time we have to render. So rendering one more row would likely // exceed it. now() * 2 - renderState.renderingStartTime > getRenderTargetTime() && renderLanes !== OffscreenLane) { // We have now passed our CPU deadline and we'll just give up further // attempts to render the main content and only render fallbacks. // The assumption is that this is usually faster. workInProgress.flags |= DidCapture; didSuspendAlready = true; cutOffTailIfNeeded(renderState, false); // Since nothing actually suspended, there will nothing to ping this // to get it started back up to attempt the next item. While in terms // of priority this work has the same priority as this current render, // it's not part of the same transition once the transition has // committed. If it's sync, we still want to yield so that it can be // painted. Conceptually, this is really the same as pinging. // We can use any RetryLane even if it's the one currently rendering // since we're leaving it behind on this node. workInProgress.lanes = SomeRetryLane; } } if (renderState.isBackwards) { // The effect list of the backwards tail will have been added // to the end. This breaks the guarantee that life-cycles fire in // sibling order but that isn't a strong guarantee promised by React. // Especially since these might also just pop in during future commits. // Append to the beginning of the list. renderedTail.sibling = workInProgress.child; workInProgress.child = renderedTail; } else { var previousSibling = renderState.last; if (previousSibling !== null) previousSibling.sibling = renderedTail; else workInProgress.child = renderedTail; renderState.last = renderedTail; } } if (renderState.tail !== null) { // We still have tail rows to render. // Pop a row. var next = renderState.tail; renderState.rendering = next; renderState.tail = next.sibling; renderState.renderingStartTime = now(); next.sibling = null; // Restore the context. // TODO: We can probably just avoid popping it instead and only // setting it the first time we go from not suspended to suspended. var suspenseContext = suspenseStackCursor.current; if (didSuspendAlready) suspenseContext = setShallowSuspenseContext(suspenseContext, ForceSuspenseFallback); else suspenseContext = setDefaultShallowSuspenseContext(suspenseContext); pushSuspenseContext(workInProgress, suspenseContext); // Do a pass over the next row. // Don't bubble properties in this case. return next; } bubbleProperties(workInProgress); return null; case ScopeComponent: break; case OffscreenComponent: case LegacyHiddenComponent: popRenderLanes(workInProgress); var _nextState = workInProgress.memoizedState; var nextIsHidden = _nextState !== null; if (current !== null) { var _prevState = current.memoizedState; var prevIsHidden = _prevState !== null; if (prevIsHidden !== nextIsHidden && !enableLegacyHidden) workInProgress.flags |= Visibility; } if (!nextIsHidden || (workInProgress.mode & ConcurrentMode) === NoMode) bubbleProperties(workInProgress); else // Don't bubble properties for hidden children unless we're rendering // at offscreen priority. if (includesSomeLane(subtreeRenderLanes, OffscreenLane)) { bubbleProperties(workInProgress); // Check if there was an insertion or update in the hidden subtree. // If so, we need to hide those nodes in the commit phase, so // schedule a visibility effect. if (workInProgress.subtreeFlags & (Placement | Update)) workInProgress.flags |= Visibility; } return null; case CacheComponent: return null; case TracingMarkerComponent: return null; } throw new Error("Unknown unit of work tag (" + workInProgress.tag + "). This error is likely caused by a bug in " + "React. Please file an issue."); } function unwindWork(current, workInProgress, renderLanes) { // Note: This intentionally doesn't check if we're hydrating because comparing // to the current tree provider fiber is just as fast and less error-prone. // Ideally we would have a special version of the work loop only // for hydration. popTreeContext(workInProgress); switch(workInProgress.tag){ case ClassComponent: var Component = workInProgress.type; if (isContextProvider(Component)) popContext(workInProgress); var flags = workInProgress.flags; if (flags & ShouldCapture) { workInProgress.flags = flags & ~ShouldCapture | DidCapture; if ((workInProgress.mode & ProfileMode) !== NoMode) transferActualDuration(workInProgress); return workInProgress; } return null; case HostRoot: var root = workInProgress.stateNode; popHostContainer(workInProgress); popTopLevelContextObject(workInProgress); resetWorkInProgressVersions(); var _flags = workInProgress.flags; if ((_flags & ShouldCapture) !== NoFlags && (_flags & DidCapture) === NoFlags) { // There was an error during render that wasn't captured by a suspense // boundary. Do a second pass on the root to unmount the children. workInProgress.flags = _flags & ~ShouldCapture | DidCapture; return workInProgress; } // We unwound to the root without completing it. Exit. return null; case HostComponent: // TODO: popHydrationState popHostContext(workInProgress); return null; case SuspenseComponent: popSuspenseContext(workInProgress); var suspenseState = workInProgress.memoizedState; if (suspenseState !== null && suspenseState.dehydrated !== null) { if (workInProgress.alternate === null) throw new Error("Threw in newly mounted dehydrated component. This is likely a bug in React. Please file an issue."); resetHydrationState(); } var _flags2 = workInProgress.flags; if (_flags2 & ShouldCapture) { workInProgress.flags = _flags2 & ~ShouldCapture | DidCapture; // Captured a suspense effect. Re-render the boundary. if ((workInProgress.mode & ProfileMode) !== NoMode) transferActualDuration(workInProgress); return workInProgress; } return null; case SuspenseListComponent: popSuspenseContext(workInProgress); // SuspenseList doesn't actually catch anything. It should've been // caught by a nested boundary. If not, it should bubble through. return null; case HostPortal: popHostContainer(workInProgress); return null; case ContextProvider: var context = workInProgress.type._context; popProvider(context, workInProgress); return null; case OffscreenComponent: case LegacyHiddenComponent: popRenderLanes(workInProgress); return null; case CacheComponent: return null; default: return null; } } function unwindInterruptedWork(current, interruptedWork, renderLanes) { // Note: This intentionally doesn't check if we're hydrating because comparing // to the current tree provider fiber is just as fast and less error-prone. // Ideally we would have a special version of the work loop only // for hydration. popTreeContext(interruptedWork); switch(interruptedWork.tag){ case ClassComponent: var childContextTypes = interruptedWork.type.childContextTypes; if (childContextTypes !== null && childContextTypes !== undefined) popContext(interruptedWork); break; case HostRoot: var root = interruptedWork.stateNode; popHostContainer(interruptedWork); popTopLevelContextObject(interruptedWork); resetWorkInProgressVersions(); break; case HostComponent: popHostContext(interruptedWork); break; case HostPortal: popHostContainer(interruptedWork); break; case SuspenseComponent: popSuspenseContext(interruptedWork); break; case SuspenseListComponent: popSuspenseContext(interruptedWork); break; case ContextProvider: var context = interruptedWork.type._context; popProvider(context, interruptedWork); break; case OffscreenComponent: case LegacyHiddenComponent: popRenderLanes(interruptedWork); break; } } var didWarnAboutUndefinedSnapshotBeforeUpdate = null; didWarnAboutUndefinedSnapshotBeforeUpdate = new Set(); // Allows us to avoid traversing the return path to find the nearest Offscreen ancestor. // Only used when enableSuspenseLayoutEffectSemantics is enabled. var offscreenSubtreeIsHidden = false; var offscreenSubtreeWasHidden = false; var PossiblyWeakSet = typeof WeakSet === "function" ? WeakSet : Set; var nextEffect = null; // Used for Profiling builds to track updaters. var inProgressLanes = null; var inProgressRoot = null; function reportUncaughtErrorInDEV(error) { invokeGuardedCallback(null, function() { throw error; }); clearCaughtError(); } var callComponentWillUnmountWithTimer = function(current, instance) { instance.props = current.memoizedProps; instance.state = current.memoizedState; if (current.mode & ProfileMode) try { startLayoutEffectTimer(); instance.componentWillUnmount(); } finally{ recordLayoutEffectDuration(current); } else instance.componentWillUnmount(); }; // Capture errors so they don't interrupt mounting. function safelyCallCommitHookLayoutEffectListMount(current, nearestMountedAncestor) { try { commitHookEffectListMount(Layout, current); } catch (error) { captureCommitPhaseError(current, nearestMountedAncestor, error); } } // Capture errors so they don't interrupt unmounting. function safelyCallComponentWillUnmount(current, nearestMountedAncestor, instance) { try { callComponentWillUnmountWithTimer(current, instance); } catch (error) { captureCommitPhaseError(current, nearestMountedAncestor, error); } } // Capture errors so they don't interrupt mounting. function safelyCallComponentDidMount(current, nearestMountedAncestor, instance) { try { instance.componentDidMount(); } catch (error) { captureCommitPhaseError(current, nearestMountedAncestor, error); } } // Capture errors so they don't interrupt mounting. function safelyAttachRef(current, nearestMountedAncestor) { try { commitAttachRef(current); } catch (error) { captureCommitPhaseError(current, nearestMountedAncestor, error); } } function safelyDetachRef(current, nearestMountedAncestor) { var ref = current.ref; if (ref !== null) { if (typeof ref === "function") { var retVal; try { if (enableProfilerTimer && enableProfilerCommitHooks && current.mode & ProfileMode) try { startLayoutEffectTimer(); retVal = ref(null); } finally{ recordLayoutEffectDuration(current); } else retVal = ref(null); } catch (error) { captureCommitPhaseError(current, nearestMountedAncestor, error); } if (typeof retVal === "function") error("Unexpected return value from a callback ref in %s. A callback ref should not return a function.", getComponentNameFromFiber(current)); } else ref.current = null; } } function safelyCallDestroy(current, nearestMountedAncestor, destroy) { try { destroy(); } catch (error) { captureCommitPhaseError(current, nearestMountedAncestor, error); } } var focusedInstanceHandle = null; var shouldFireAfterActiveInstanceBlur = false; function commitBeforeMutationEffects(root, firstChild) { focusedInstanceHandle = prepareForCommit(root.containerInfo); nextEffect = firstChild; commitBeforeMutationEffects_begin(); // We no longer need to track the active instance fiber var shouldFire = shouldFireAfterActiveInstanceBlur; shouldFireAfterActiveInstanceBlur = false; focusedInstanceHandle = null; return shouldFire; } function commitBeforeMutationEffects_begin() { while(nextEffect !== null){ var fiber = nextEffect; // This phase is only used for beforeActiveInstanceBlur. var child = fiber.child; if ((fiber.subtreeFlags & BeforeMutationMask) !== NoFlags && child !== null) { child.return = fiber; nextEffect = child; } else commitBeforeMutationEffects_complete(); } } function commitBeforeMutationEffects_complete() { while(nextEffect !== null){ var fiber = nextEffect; setCurrentFiber(fiber); try { commitBeforeMutationEffectsOnFiber(fiber); } catch (error) { captureCommitPhaseError(fiber, fiber.return, error); } resetCurrentFiber(); var sibling = fiber.sibling; if (sibling !== null) { sibling.return = fiber.return; nextEffect = sibling; return; } nextEffect = fiber.return; } } function commitBeforeMutationEffectsOnFiber(finishedWork) { var current = finishedWork.alternate; var flags = finishedWork.flags; if ((flags & Snapshot) !== NoFlags) { setCurrentFiber(finishedWork); switch(finishedWork.tag){ case FunctionComponent: case ForwardRef: case SimpleMemoComponent: break; case ClassComponent: if (current !== null) { var prevProps = current.memoizedProps; var prevState = current.memoizedState; var instance = finishedWork.stateNode; // We could update instance props and state here, if (finishedWork.type === finishedWork.elementType && !didWarnAboutReassigningProps) { if (instance.props !== finishedWork.memoizedProps) error("Expected %s props to match memoized props before getSnapshotBeforeUpdate. This might either be because of a bug in React, or because a component reassigns its own `this.props`. Please file an issue.", getComponentNameFromFiber(finishedWork) || "instance"); if (instance.state !== finishedWork.memoizedState) error("Expected %s state to match memoized state before getSnapshotBeforeUpdate. This might either be because of a bug in React, or because a component reassigns its own `this.state`. Please file an issue.", getComponentNameFromFiber(finishedWork) || "instance"); } var snapshot = instance.getSnapshotBeforeUpdate(finishedWork.elementType === finishedWork.type ? prevProps : resolveDefaultProps(finishedWork.type, prevProps), prevState); var didWarnSet = didWarnAboutUndefinedSnapshotBeforeUpdate; if (snapshot === undefined && !didWarnSet.has(finishedWork.type)) { didWarnSet.add(finishedWork.type); error("%s.getSnapshotBeforeUpdate(): A snapshot value (or null) must be returned. You have returned undefined.", getComponentNameFromFiber(finishedWork)); } instance.__reactInternalSnapshotBeforeUpdate = snapshot; } break; case HostRoot: var root = finishedWork.stateNode; clearContainer(root.containerInfo); break; case HostComponent: case HostText: case HostPortal: case IncompleteClassComponent: break; default: throw new Error("This unit of work tag should not have side-effects. This error is likely caused by a bug in React. Please file an issue."); } resetCurrentFiber(); } } function commitHookEffectListUnmount(flags, finishedWork, nearestMountedAncestor) { var updateQueue = finishedWork.updateQueue; var lastEffect = updateQueue !== null ? updateQueue.lastEffect : null; if (lastEffect !== null) { var firstEffect = lastEffect.next; var effect = firstEffect; do { if ((effect.tag & flags) === flags) { // Unmount var destroy = effect.destroy; effect.destroy = undefined; if (destroy !== undefined) { if ((flags & Passive$1) !== NoFlags$1) markComponentPassiveEffectUnmountStarted(finishedWork); else if ((flags & Layout) !== NoFlags$1) markComponentLayoutEffectUnmountStarted(finishedWork); if ((flags & Insertion) !== NoFlags$1) setIsRunningInsertionEffect(true); safelyCallDestroy(finishedWork, nearestMountedAncestor, destroy); if ((flags & Insertion) !== NoFlags$1) setIsRunningInsertionEffect(false); if ((flags & Passive$1) !== NoFlags$1) markComponentPassiveEffectUnmountStopped(); else if ((flags & Layout) !== NoFlags$1) markComponentLayoutEffectUnmountStopped(); } } effect = effect.next; }while (effect !== firstEffect); } } function commitHookEffectListMount(flags, finishedWork) { var updateQueue = finishedWork.updateQueue; var lastEffect = updateQueue !== null ? updateQueue.lastEffect : null; if (lastEffect !== null) { var firstEffect = lastEffect.next; var effect = firstEffect; do { if ((effect.tag & flags) === flags) { if ((flags & Passive$1) !== NoFlags$1) markComponentPassiveEffectMountStarted(finishedWork); else if ((flags & Layout) !== NoFlags$1) markComponentLayoutEffectMountStarted(finishedWork); var create = effect.create; if ((flags & Insertion) !== NoFlags$1) setIsRunningInsertionEffect(true); effect.destroy = create(); if ((flags & Insertion) !== NoFlags$1) setIsRunningInsertionEffect(false); if ((flags & Passive$1) !== NoFlags$1) markComponentPassiveEffectMountStopped(); else if ((flags & Layout) !== NoFlags$1) markComponentLayoutEffectMountStopped(); var destroy = effect.destroy; if (destroy !== undefined && typeof destroy !== "function") { var hookName = void 0; if ((effect.tag & Layout) !== NoFlags) hookName = "useLayoutEffect"; else if ((effect.tag & Insertion) !== NoFlags) hookName = "useInsertionEffect"; else hookName = "useEffect"; var addendum = void 0; if (destroy === null) addendum = " You returned null. If your effect does not require clean up, return undefined (or nothing)."; else if (typeof destroy.then === "function") addendum = "\n\nIt looks like you wrote " + hookName + "(async () => ...) or returned a Promise. " + "Instead, write the async function inside your effect " + "and call it immediately:\n\n" + hookName + "(() => {\n" + " async function fetchData() {\n" + " // You can await here\n" + " const response = await MyAPI.getData(someId);\n" + " // ...\n" + " }\n" + " fetchData();\n" + "}, [someId]); // Or [] if effect doesn't need props or state\n\n" + "Learn more about data fetching with Hooks: https://reactjs.org/link/hooks-data-fetching"; else addendum = " You returned: " + destroy; error("%s must not return anything besides a function, which is used for clean-up.%s", hookName, addendum); } } effect = effect.next; }while (effect !== firstEffect); } } function commitPassiveEffectDurations(finishedRoot, finishedWork) { // Only Profilers with work in their subtree will have an Update effect scheduled. if ((finishedWork.flags & Update) !== NoFlags) switch(finishedWork.tag){ case Profiler: var passiveEffectDuration = finishedWork.stateNode.passiveEffectDuration; var _finishedWork$memoize = finishedWork.memoizedProps, id = _finishedWork$memoize.id, onPostCommit = _finishedWork$memoize.onPostCommit; // This value will still reflect the previous commit phase. // It does not get reset until the start of the next commit phase. var commitTime = getCommitTime(); var phase = finishedWork.alternate === null ? "mount" : "update"; if (isCurrentUpdateNested()) phase = "nested-update"; if (typeof onPostCommit === "function") onPostCommit(id, phase, passiveEffectDuration, commitTime); // Bubble times to the next nearest ancestor Profiler. // After we process that Profiler, we'll bubble further up. var parentFiber = finishedWork.return; outer: while(parentFiber !== null){ switch(parentFiber.tag){ case HostRoot: var root = parentFiber.stateNode; root.passiveEffectDuration += passiveEffectDuration; break outer; case Profiler: var parentStateNode = parentFiber.stateNode; parentStateNode.passiveEffectDuration += passiveEffectDuration; break outer; } parentFiber = parentFiber.return; } break; } } function commitLayoutEffectOnFiber(finishedRoot, current, finishedWork, committedLanes) { if ((finishedWork.flags & LayoutMask) !== NoFlags) switch(finishedWork.tag){ case FunctionComponent: case ForwardRef: case SimpleMemoComponent: if (!offscreenSubtreeWasHidden) { // At this point layout effects have already been destroyed (during mutation phase). // This is done to prevent sibling component effects from interfering with each other, // e.g. a destroy function in one component should never override a ref set // by a create function in another component during the same commit. if (finishedWork.mode & ProfileMode) try { startLayoutEffectTimer(); commitHookEffectListMount(Layout | HasEffect, finishedWork); } finally{ recordLayoutEffectDuration(finishedWork); } else commitHookEffectListMount(Layout | HasEffect, finishedWork); } break; case ClassComponent: var instance = finishedWork.stateNode; if (finishedWork.flags & Update) { if (!offscreenSubtreeWasHidden) { if (current === null) { if (finishedWork.type === finishedWork.elementType && !didWarnAboutReassigningProps) { if (instance.props !== finishedWork.memoizedProps) error("Expected %s props to match memoized props before componentDidMount. This might either be because of a bug in React, or because a component reassigns its own `this.props`. Please file an issue.", getComponentNameFromFiber(finishedWork) || "instance"); if (instance.state !== finishedWork.memoizedState) error("Expected %s state to match memoized state before componentDidMount. This might either be because of a bug in React, or because a component reassigns its own `this.state`. Please file an issue.", getComponentNameFromFiber(finishedWork) || "instance"); } if (finishedWork.mode & ProfileMode) try { startLayoutEffectTimer(); instance.componentDidMount(); } finally{ recordLayoutEffectDuration(finishedWork); } else instance.componentDidMount(); } else { var prevProps = finishedWork.elementType === finishedWork.type ? current.memoizedProps : resolveDefaultProps(finishedWork.type, current.memoizedProps); var prevState = current.memoizedState; // We could update instance props and state here, if (finishedWork.type === finishedWork.elementType && !didWarnAboutReassigningProps) { if (instance.props !== finishedWork.memoizedProps) error("Expected %s props to match memoized props before componentDidUpdate. This might either be because of a bug in React, or because a component reassigns its own `this.props`. Please file an issue.", getComponentNameFromFiber(finishedWork) || "instance"); if (instance.state !== finishedWork.memoizedState) error("Expected %s state to match memoized state before componentDidUpdate. This might either be because of a bug in React, or because a component reassigns its own `this.state`. Please file an issue.", getComponentNameFromFiber(finishedWork) || "instance"); } if (finishedWork.mode & ProfileMode) try { startLayoutEffectTimer(); instance.componentDidUpdate(prevProps, prevState, instance.__reactInternalSnapshotBeforeUpdate); } finally{ recordLayoutEffectDuration(finishedWork); } else instance.componentDidUpdate(prevProps, prevState, instance.__reactInternalSnapshotBeforeUpdate); } } } // TODO: I think this is now always non-null by the time it reaches the // commit phase. Consider removing the type check. var updateQueue = finishedWork.updateQueue; if (updateQueue !== null) { if (finishedWork.type === finishedWork.elementType && !didWarnAboutReassigningProps) { if (instance.props !== finishedWork.memoizedProps) error("Expected %s props to match memoized props before processing the update queue. This might either be because of a bug in React, or because a component reassigns its own `this.props`. Please file an issue.", getComponentNameFromFiber(finishedWork) || "instance"); if (instance.state !== finishedWork.memoizedState) error("Expected %s state to match memoized state before processing the update queue. This might either be because of a bug in React, or because a component reassigns its own `this.state`. Please file an issue.", getComponentNameFromFiber(finishedWork) || "instance"); } // but instead we rely on them being set during last render. // TODO: revisit this when we implement resuming. commitUpdateQueue(finishedWork, updateQueue, instance); } break; case HostRoot: // TODO: I think this is now always non-null by the time it reaches the // commit phase. Consider removing the type check. var _updateQueue = finishedWork.updateQueue; if (_updateQueue !== null) { var _instance = null; if (finishedWork.child !== null) switch(finishedWork.child.tag){ case HostComponent: _instance = getPublicInstance(finishedWork.child.stateNode); break; case ClassComponent: _instance = finishedWork.child.stateNode; break; } commitUpdateQueue(finishedWork, _updateQueue, _instance); } break; case HostComponent: var _instance2 = finishedWork.stateNode; // Renderers may schedule work to be done after host components are mounted // (eg DOM renderer may schedule auto-focus for inputs and form controls). // These effects should only be committed when components are first mounted, // aka when there is no current/alternate. if (current === null && finishedWork.flags & Update) { var type = finishedWork.type; var props = finishedWork.memoizedProps; commitMount(_instance2, type, props); } break; case HostText: break; case HostPortal: break; case Profiler: var _finishedWork$memoize2 = finishedWork.memoizedProps, onCommit = _finishedWork$memoize2.onCommit, onRender = _finishedWork$memoize2.onRender; var effectDuration = finishedWork.stateNode.effectDuration; var commitTime = getCommitTime(); var phase = current === null ? "mount" : "update"; if (isCurrentUpdateNested()) phase = "nested-update"; if (typeof onRender === "function") onRender(finishedWork.memoizedProps.id, phase, finishedWork.actualDuration, finishedWork.treeBaseDuration, finishedWork.actualStartTime, commitTime); if (typeof onCommit === "function") onCommit(finishedWork.memoizedProps.id, phase, effectDuration, commitTime); // Schedule a passive effect for this Profiler to call onPostCommit hooks. // This effect should be scheduled even if there is no onPostCommit callback for this Profiler, // because the effect is also where times bubble to parent Profilers. enqueuePendingPassiveProfilerEffect(finishedWork); // Propagate layout effect durations to the next nearest Profiler ancestor. // Do not reset these values until the next render so DevTools has a chance to read them first. var parentFiber = finishedWork.return; outer: while(parentFiber !== null){ switch(parentFiber.tag){ case HostRoot: var root = parentFiber.stateNode; root.effectDuration += effectDuration; break outer; case Profiler: var parentStateNode = parentFiber.stateNode; parentStateNode.effectDuration += effectDuration; break outer; } parentFiber = parentFiber.return; } break; case SuspenseComponent: commitSuspenseHydrationCallbacks(finishedRoot, finishedWork); break; case SuspenseListComponent: case IncompleteClassComponent: case ScopeComponent: case OffscreenComponent: case LegacyHiddenComponent: case TracingMarkerComponent: break; default: throw new Error("This unit of work tag should not have side-effects. This error is likely caused by a bug in React. Please file an issue."); } if (!offscreenSubtreeWasHidden) { if (finishedWork.flags & Ref) commitAttachRef(finishedWork); } } function reappearLayoutEffectsOnFiber(node) { // Turn on layout effects in a tree that previously disappeared. // TODO (Offscreen) Check: flags & LayoutStatic switch(node.tag){ case FunctionComponent: case ForwardRef: case SimpleMemoComponent: if (node.mode & ProfileMode) try { startLayoutEffectTimer(); safelyCallCommitHookLayoutEffectListMount(node, node.return); } finally{ recordLayoutEffectDuration(node); } else safelyCallCommitHookLayoutEffectListMount(node, node.return); break; case ClassComponent: var instance = node.stateNode; if (typeof instance.componentDidMount === "function") safelyCallComponentDidMount(node, node.return, instance); safelyAttachRef(node, node.return); break; case HostComponent: safelyAttachRef(node, node.return); break; } } function hideOrUnhideAllChildren(finishedWork, isHidden) { // Only hide or unhide the top-most host nodes. var hostSubtreeRoot = null; // We only have the top Fiber that was inserted but we need to recurse down its // children to find all the terminal nodes. var node = finishedWork; while(true){ if (node.tag === HostComponent) { if (hostSubtreeRoot === null) { hostSubtreeRoot = node; try { var instance = node.stateNode; if (isHidden) hideInstance(instance); else unhideInstance(node.stateNode, node.memoizedProps); } catch (error) { captureCommitPhaseError(finishedWork, finishedWork.return, error); } } } else if (node.tag === HostText) { if (hostSubtreeRoot === null) try { var _instance3 = node.stateNode; if (isHidden) hideTextInstance(_instance3); else unhideTextInstance(_instance3, node.memoizedProps); } catch (error) { captureCommitPhaseError(finishedWork, finishedWork.return, error); } } else if ((node.tag === OffscreenComponent || node.tag === LegacyHiddenComponent) && node.memoizedState !== null && node !== finishedWork) ; else if (node.child !== null) { node.child.return = node; node = node.child; continue; } if (node === finishedWork) return; while(node.sibling === null){ if (node.return === null || node.return === finishedWork) return; if (hostSubtreeRoot === node) hostSubtreeRoot = null; node = node.return; } if (hostSubtreeRoot === node) hostSubtreeRoot = null; node.sibling.return = node.return; node = node.sibling; } } function commitAttachRef(finishedWork) { var ref = finishedWork.ref; if (ref !== null) { var instance = finishedWork.stateNode; var instanceToUse; switch(finishedWork.tag){ case HostComponent: instanceToUse = getPublicInstance(instance); break; default: instanceToUse = instance; } // Moved outside to ensure DCE works with this flag if (typeof ref === "function") { var retVal; if (finishedWork.mode & ProfileMode) try { startLayoutEffectTimer(); retVal = ref(instanceToUse); } finally{ recordLayoutEffectDuration(finishedWork); } else retVal = ref(instanceToUse); if (typeof retVal === "function") error("Unexpected return value from a callback ref in %s. A callback ref should not return a function.", getComponentNameFromFiber(finishedWork)); } else { if (!ref.hasOwnProperty("current")) error("Unexpected ref object provided for %s. Use either a ref-setter function or React.createRef().", getComponentNameFromFiber(finishedWork)); ref.current = instanceToUse; } } } function detachFiberMutation(fiber) { // Cut off the return pointer to disconnect it from the tree. // This enables us to detect and warn against state updates on an unmounted component. // It also prevents events from bubbling from within disconnected components. // // Ideally, we should also clear the child pointer of the parent alternate to let this // get GC:ed but we don't know which for sure which parent is the current // one so we'll settle for GC:ing the subtree of this child. // This child itself will be GC:ed when the parent updates the next time. // // Note that we can't clear child or sibling pointers yet. // They're needed for passive effects and for findDOMNode. // We defer those fields, and all other cleanup, to the passive phase (see detachFiberAfterEffects). // // Don't reset the alternate yet, either. We need that so we can detach the // alternate's fields in the passive phase. Clearing the return pointer is // sufficient for findDOMNode semantics. var alternate = fiber.alternate; if (alternate !== null) alternate.return = null; fiber.return = null; } function detachFiberAfterEffects(fiber) { var alternate = fiber.alternate; if (alternate !== null) { fiber.alternate = null; detachFiberAfterEffects(alternate); } // Note: Defensively using negation instead of < in case // Clear cyclical Fiber fields. This level alone is designed to roughly // approximate the planned Fiber refactor. In that world, `setState` will be // bound to a special "instance" object instead of a Fiber. The Instance // object will not have any of these fields. It will only be connected to // the fiber tree via a single link at the root. So if this level alone is // sufficient to fix memory issues, that bodes well for our plans. fiber.child = null; fiber.deletions = null; fiber.sibling = null; // The `stateNode` is cyclical because on host nodes it points to the host // tree, which has its own pointers to children, parents, and siblings. // The other host nodes also point back to fibers, so we should detach that // one, too. if (fiber.tag === HostComponent) { var hostInstance = fiber.stateNode; if (hostInstance !== null) detachDeletedInstance(hostInstance); } fiber.stateNode = null; // I'm intentionally not clearing the `return` field in this level. We fiber._debugOwner = null; // Theoretically, nothing in here should be necessary, because we already // disconnected the fiber from the tree. So even if something leaks this // particular fiber, it won't leak anything else // // The purpose of this branch is to be super aggressive so we can measure // if there's any difference in memory impact. If there is, that could // indicate a React leak we don't know about. fiber.return = null; fiber.dependencies = null; fiber.memoizedProps = null; fiber.memoizedState = null; fiber.pendingProps = null; fiber.stateNode = null; // TODO: Move to `commitPassiveUnmountInsideDeletedTreeOnFiber` instead. fiber.updateQueue = null; } function getHostParentFiber(fiber) { var parent = fiber.return; while(parent !== null){ if (isHostParent(parent)) return parent; parent = parent.return; } throw new Error("Expected to find a host parent. This error is likely caused by a bug in React. Please file an issue."); } function isHostParent(fiber) { return fiber.tag === HostComponent || fiber.tag === HostRoot || fiber.tag === HostPortal; } function getHostSibling(fiber) { // We're going to search forward into the tree until we find a sibling host // node. Unfortunately, if multiple insertions are done in a row we have to // search past them. This leads to exponential search for the next sibling. // TODO: Find a more efficient way to do this. var node = fiber; siblings: while(true){ // If we didn't find anything, let's try the next sibling. while(node.sibling === null){ if (node.return === null || isHostParent(node.return)) // If we pop out of the root or hit the parent the fiber we are the // last sibling. return null; node = node.return; } node.sibling.return = node.return; node = node.sibling; while(node.tag !== HostComponent && node.tag !== HostText && node.tag !== DehydratedFragment){ // If it is not host node and, we might have a host node inside it. // Try to search down until we find one. if (node.flags & Placement) continue siblings; // If we don't have a child, try the siblings instead. // We also skip portals because they are not part of this host tree. if (node.child === null || node.tag === HostPortal) continue siblings; else { node.child.return = node; node = node.child; } } // Check if this host node is stable or about to be placed. if (!(node.flags & Placement)) // Found it! return node.stateNode; } } function commitPlacement(finishedWork) { var parentFiber = getHostParentFiber(finishedWork); // Note: these two variables *must* always be updated together. switch(parentFiber.tag){ case HostComponent: var parent = parentFiber.stateNode; if (parentFiber.flags & ContentReset) { // Reset the text content of the parent before doing any insertions resetTextContent(parent); // Clear ContentReset from the effect tag parentFiber.flags &= ~ContentReset; } var before = getHostSibling(finishedWork); // We only have the top Fiber that was inserted but we need to recurse down its // children to find all the terminal nodes. insertOrAppendPlacementNode(finishedWork, before, parent); break; case HostRoot: case HostPortal: var _parent = parentFiber.stateNode.containerInfo; var _before = getHostSibling(finishedWork); insertOrAppendPlacementNodeIntoContainer(finishedWork, _before, _parent); break; // eslint-disable-next-line-no-fallthrough default: throw new Error("Invalid host parent fiber. This error is likely caused by a bug in React. Please file an issue."); } } function insertOrAppendPlacementNodeIntoContainer(node, before, parent) { var tag = node.tag; var isHost = tag === HostComponent || tag === HostText; if (isHost) { var stateNode = node.stateNode; if (before) insertInContainerBefore(parent, stateNode, before); else appendChildToContainer(parent, stateNode); } else if (tag === HostPortal) ; else { var child = node.child; if (child !== null) { insertOrAppendPlacementNodeIntoContainer(child, before, parent); var sibling = child.sibling; while(sibling !== null){ insertOrAppendPlacementNodeIntoContainer(sibling, before, parent); sibling = sibling.sibling; } } } } function insertOrAppendPlacementNode(node, before, parent) { var tag = node.tag; var isHost = tag === HostComponent || tag === HostText; if (isHost) { var stateNode = node.stateNode; if (before) insertBefore(parent, stateNode, before); else appendChild(parent, stateNode); } else if (tag === HostPortal) ; else { var child = node.child; if (child !== null) { insertOrAppendPlacementNode(child, before, parent); var sibling = child.sibling; while(sibling !== null){ insertOrAppendPlacementNode(sibling, before, parent); sibling = sibling.sibling; } } } } // These are tracked on the stack as we recursively traverse a // deleted subtree. // TODO: Update these during the whole mutation phase, not just during // a deletion. var hostParent = null; var hostParentIsContainer = false; function commitDeletionEffects(root, returnFiber, deletedFiber) { // We only have the top Fiber that was deleted but we need to recurse down its // children to find all the terminal nodes. // Recursively delete all host nodes from the parent, detach refs, clean // up mounted layout effects, and call componentWillUnmount. // We only need to remove the topmost host child in each branch. But then we // still need to keep traversing to unmount effects, refs, and cWU. TODO: We // could split this into two separate traversals functions, where the second // one doesn't include any removeChild logic. This is maybe the same // function as "disappearLayoutEffects" (or whatever that turns into after // the layout phase is refactored to use recursion). // Before starting, find the nearest host parent on the stack so we know // which instance/container to remove the children from. // TODO: Instead of searching up the fiber return path on every deletion, we // can track the nearest host component on the JS stack as we traverse the // tree during the commit phase. This would make insertions faster, too. var parent = returnFiber; findParent: while(parent !== null){ switch(parent.tag){ case HostComponent: hostParent = parent.stateNode; hostParentIsContainer = false; break findParent; case HostRoot: hostParent = parent.stateNode.containerInfo; hostParentIsContainer = true; break findParent; case HostPortal: hostParent = parent.stateNode.containerInfo; hostParentIsContainer = true; break findParent; } parent = parent.return; } if (hostParent === null) throw new Error("Expected to find a host parent. This error is likely caused by a bug in React. Please file an issue."); commitDeletionEffectsOnFiber(root, returnFiber, deletedFiber); hostParent = null; hostParentIsContainer = false; detachFiberMutation(deletedFiber); } function recursivelyTraverseDeletionEffects(finishedRoot, nearestMountedAncestor, parent) { // TODO: Use a static flag to skip trees that don't have unmount effects var child = parent.child; while(child !== null){ commitDeletionEffectsOnFiber(finishedRoot, nearestMountedAncestor, child); child = child.sibling; } } function commitDeletionEffectsOnFiber(finishedRoot, nearestMountedAncestor, deletedFiber) { onCommitUnmount(deletedFiber); // The cases in this outer switch modify the stack before they traverse // into their subtree. There are simpler cases in the inner switch // that don't modify the stack. switch(deletedFiber.tag){ case HostComponent: if (!offscreenSubtreeWasHidden) safelyDetachRef(deletedFiber, nearestMountedAncestor); // Intentional fallthrough to next branch // eslint-disable-next-line-no-fallthrough case HostText: var prevHostParent = hostParent; var prevHostParentIsContainer = hostParentIsContainer; hostParent = null; recursivelyTraverseDeletionEffects(finishedRoot, nearestMountedAncestor, deletedFiber); hostParent = prevHostParent; hostParentIsContainer = prevHostParentIsContainer; if (hostParent !== null) { // Now that all the child effects have unmounted, we can remove the // node from the tree. if (hostParentIsContainer) removeChildFromContainer(hostParent, deletedFiber.stateNode); else removeChild(hostParent, deletedFiber.stateNode); } return; case DehydratedFragment: if (hostParent !== null) { if (hostParentIsContainer) clearSuspenseBoundaryFromContainer(hostParent, deletedFiber.stateNode); else clearSuspenseBoundary(hostParent, deletedFiber.stateNode); } return; case HostPortal: // When we go into a portal, it becomes the parent to remove from. var _prevHostParent = hostParent; var _prevHostParentIsContainer = hostParentIsContainer; hostParent = deletedFiber.stateNode.containerInfo; hostParentIsContainer = true; recursivelyTraverseDeletionEffects(finishedRoot, nearestMountedAncestor, deletedFiber); hostParent = _prevHostParent; hostParentIsContainer = _prevHostParentIsContainer; return; case FunctionComponent: case ForwardRef: case MemoComponent: case SimpleMemoComponent: if (!offscreenSubtreeWasHidden) { var updateQueue = deletedFiber.updateQueue; if (updateQueue !== null) { var lastEffect = updateQueue.lastEffect; if (lastEffect !== null) { var firstEffect = lastEffect.next; var effect = firstEffect; do { var _effect = effect, destroy = _effect.destroy, tag = _effect.tag; if (destroy !== undefined) { if ((tag & Insertion) !== NoFlags$1) safelyCallDestroy(deletedFiber, nearestMountedAncestor, destroy); else if ((tag & Layout) !== NoFlags$1) { markComponentLayoutEffectUnmountStarted(deletedFiber); if (deletedFiber.mode & ProfileMode) { startLayoutEffectTimer(); safelyCallDestroy(deletedFiber, nearestMountedAncestor, destroy); recordLayoutEffectDuration(deletedFiber); } else safelyCallDestroy(deletedFiber, nearestMountedAncestor, destroy); markComponentLayoutEffectUnmountStopped(); } } effect = effect.next; }while (effect !== firstEffect); } } } recursivelyTraverseDeletionEffects(finishedRoot, nearestMountedAncestor, deletedFiber); return; case ClassComponent: if (!offscreenSubtreeWasHidden) { safelyDetachRef(deletedFiber, nearestMountedAncestor); var instance = deletedFiber.stateNode; if (typeof instance.componentWillUnmount === "function") safelyCallComponentWillUnmount(deletedFiber, nearestMountedAncestor, instance); } recursivelyTraverseDeletionEffects(finishedRoot, nearestMountedAncestor, deletedFiber); return; case ScopeComponent: recursivelyTraverseDeletionEffects(finishedRoot, nearestMountedAncestor, deletedFiber); return; case OffscreenComponent: if (deletedFiber.mode & ConcurrentMode) { // If this offscreen component is hidden, we already unmounted it. Before // deleting the children, track that it's already unmounted so that we // don't attempt to unmount the effects again. // TODO: If the tree is hidden, in most cases we should be able to skip // over the nested children entirely. An exception is we haven't yet found // the topmost host node to delete, which we already track on the stack. // But the other case is portals, which need to be detached no matter how // deeply they are nested. We should use a subtree flag to track whether a // subtree includes a nested portal. var prevOffscreenSubtreeWasHidden = offscreenSubtreeWasHidden; offscreenSubtreeWasHidden = prevOffscreenSubtreeWasHidden || deletedFiber.memoizedState !== null; recursivelyTraverseDeletionEffects(finishedRoot, nearestMountedAncestor, deletedFiber); offscreenSubtreeWasHidden = prevOffscreenSubtreeWasHidden; } else recursivelyTraverseDeletionEffects(finishedRoot, nearestMountedAncestor, deletedFiber); break; default: recursivelyTraverseDeletionEffects(finishedRoot, nearestMountedAncestor, deletedFiber); return; } } function commitSuspenseCallback(finishedWork) { // TODO: Move this to passive phase var newState = finishedWork.memoizedState; } function commitSuspenseHydrationCallbacks(finishedRoot, finishedWork) { var newState = finishedWork.memoizedState; if (newState === null) { var current = finishedWork.alternate; if (current !== null) { var prevState = current.memoizedState; if (prevState !== null) { var suspenseInstance = prevState.dehydrated; if (suspenseInstance !== null) commitHydratedSuspenseInstance(suspenseInstance); } } } } function attachSuspenseRetryListeners(finishedWork) { // If this boundary just timed out, then it will have a set of wakeables. // For each wakeable, attach a listener so that when it resolves, React // attempts to re-render the boundary in the primary (pre-timeout) state. var wakeables = finishedWork.updateQueue; if (wakeables !== null) { finishedWork.updateQueue = null; var retryCache = finishedWork.stateNode; if (retryCache === null) retryCache = finishedWork.stateNode = new PossiblyWeakSet(); wakeables.forEach(function(wakeable) { // Memoize using the boundary fiber to prevent redundant listeners. var retry = resolveRetryWakeable.bind(null, finishedWork, wakeable); if (!retryCache.has(wakeable)) { retryCache.add(wakeable); if (isDevToolsPresent) { if (inProgressLanes !== null && inProgressRoot !== null) // If we have pending work still, associate the original updaters with it. restorePendingUpdaters(inProgressRoot, inProgressLanes); else throw Error("Expected finished root and lanes to be set. This is a bug in React."); } wakeable.then(retry, retry); } }); } } // This function detects when a Suspense boundary goes from visible to hidden. function commitMutationEffects(root, finishedWork, committedLanes) { inProgressLanes = committedLanes; inProgressRoot = root; setCurrentFiber(finishedWork); commitMutationEffectsOnFiber(finishedWork, root); setCurrentFiber(finishedWork); inProgressLanes = null; inProgressRoot = null; } function recursivelyTraverseMutationEffects(root, parentFiber, lanes) { // Deletions effects can be scheduled on any fiber type. They need to happen // before the children effects hae fired. var deletions = parentFiber.deletions; if (deletions !== null) for(var i = 0; i < deletions.length; i++){ var childToDelete = deletions[i]; try { commitDeletionEffects(root, parentFiber, childToDelete); } catch (error) { captureCommitPhaseError(childToDelete, parentFiber, error); } } var prevDebugFiber = getCurrentFiber(); if (parentFiber.subtreeFlags & MutationMask) { var child = parentFiber.child; while(child !== null){ setCurrentFiber(child); commitMutationEffectsOnFiber(child, root); child = child.sibling; } } setCurrentFiber(prevDebugFiber); } function commitMutationEffectsOnFiber(finishedWork, root, lanes) { var current = finishedWork.alternate; var flags = finishedWork.flags; // The effect flag should be checked *after* we refine the type of fiber, // because the fiber tag is more specific. An exception is any flag related // to reconcilation, because those can be set on all fiber types. switch(finishedWork.tag){ case FunctionComponent: case ForwardRef: case MemoComponent: case SimpleMemoComponent: recursivelyTraverseMutationEffects(root, finishedWork); commitReconciliationEffects(finishedWork); if (flags & Update) { try { commitHookEffectListUnmount(Insertion | HasEffect, finishedWork, finishedWork.return); commitHookEffectListMount(Insertion | HasEffect, finishedWork); } catch (error) { captureCommitPhaseError(finishedWork, finishedWork.return, error); } // Layout effects are destroyed during the mutation phase so that all // destroy functions for all fibers are called before any create functions. // This prevents sibling component effects from interfering with each other, // e.g. a destroy function in one component should never override a ref set // by a create function in another component during the same commit. if (finishedWork.mode & ProfileMode) { try { startLayoutEffectTimer(); commitHookEffectListUnmount(Layout | HasEffect, finishedWork, finishedWork.return); } catch (error) { captureCommitPhaseError(finishedWork, finishedWork.return, error); } recordLayoutEffectDuration(finishedWork); } else try { commitHookEffectListUnmount(Layout | HasEffect, finishedWork, finishedWork.return); } catch (error) { captureCommitPhaseError(finishedWork, finishedWork.return, error); } } return; case ClassComponent: recursivelyTraverseMutationEffects(root, finishedWork); commitReconciliationEffects(finishedWork); if (flags & Ref) { if (current !== null) safelyDetachRef(current, current.return); } return; case HostComponent: recursivelyTraverseMutationEffects(root, finishedWork); commitReconciliationEffects(finishedWork); if (flags & Ref) { if (current !== null) safelyDetachRef(current, current.return); } // TODO: ContentReset gets cleared by the children during the commit // phase. This is a refactor hazard because it means we must read // flags the flags after `commitReconciliationEffects` has already run; // the order matters. We should refactor so that ContentReset does not // rely on mutating the flag during commit. Like by setting a flag // during the render phase instead. if (finishedWork.flags & ContentReset) { var instance = finishedWork.stateNode; try { resetTextContent(instance); } catch (error) { captureCommitPhaseError(finishedWork, finishedWork.return, error); } } if (flags & Update) { var _instance4 = finishedWork.stateNode; if (_instance4 != null) { // Commit the work prepared earlier. var newProps = finishedWork.memoizedProps; // For hydration we reuse the update path but we treat the oldProps // as the newProps. The updatePayload will contain the real change in // this case. var oldProps = current !== null ? current.memoizedProps : newProps; var type = finishedWork.type; // TODO: Type the updateQueue to be specific to host components. var updatePayload = finishedWork.updateQueue; finishedWork.updateQueue = null; if (updatePayload !== null) try { commitUpdate(_instance4, updatePayload, type, oldProps, newProps, finishedWork); } catch (error) { captureCommitPhaseError(finishedWork, finishedWork.return, error); } } } return; case HostText: recursivelyTraverseMutationEffects(root, finishedWork); commitReconciliationEffects(finishedWork); if (flags & Update) { if (finishedWork.stateNode === null) throw new Error("This should have a text node initialized. This error is likely caused by a bug in React. Please file an issue."); var textInstance = finishedWork.stateNode; var newText = finishedWork.memoizedProps; // For hydration we reuse the update path but we treat the oldProps // as the newProps. The updatePayload will contain the real change in // this case. var oldText = current !== null ? current.memoizedProps : newText; try { commitTextUpdate(textInstance, oldText, newText); } catch (error) { captureCommitPhaseError(finishedWork, finishedWork.return, error); } } return; case HostRoot: recursivelyTraverseMutationEffects(root, finishedWork); commitReconciliationEffects(finishedWork); if (flags & Update) { if (current !== null) { var prevRootState = current.memoizedState; if (prevRootState.isDehydrated) try { commitHydratedContainer(root.containerInfo); } catch (error) { captureCommitPhaseError(finishedWork, finishedWork.return, error); } } } return; case HostPortal: recursivelyTraverseMutationEffects(root, finishedWork); commitReconciliationEffects(finishedWork); return; case SuspenseComponent: recursivelyTraverseMutationEffects(root, finishedWork); commitReconciliationEffects(finishedWork); var offscreenFiber = finishedWork.child; if (offscreenFiber.flags & Visibility) { var offscreenInstance = offscreenFiber.stateNode; var newState = offscreenFiber.memoizedState; var isHidden = newState !== null; // Track the current state on the Offscreen instance so we can // read it during an event offscreenInstance.isHidden = isHidden; if (isHidden) { var wasHidden = offscreenFiber.alternate !== null && offscreenFiber.alternate.memoizedState !== null; if (!wasHidden) // TODO: Move to passive phase markCommitTimeOfFallback(); } } if (flags & Update) { try { commitSuspenseCallback(finishedWork); } catch (error) { captureCommitPhaseError(finishedWork, finishedWork.return, error); } attachSuspenseRetryListeners(finishedWork); } return; case OffscreenComponent: var _wasHidden = current !== null && current.memoizedState !== null; if (finishedWork.mode & ConcurrentMode) { // Before committing the children, track on the stack whether this // offscreen subtree was already hidden, so that we don't unmount the // effects again. var prevOffscreenSubtreeWasHidden = offscreenSubtreeWasHidden; offscreenSubtreeWasHidden = prevOffscreenSubtreeWasHidden || _wasHidden; recursivelyTraverseMutationEffects(root, finishedWork); offscreenSubtreeWasHidden = prevOffscreenSubtreeWasHidden; } else recursivelyTraverseMutationEffects(root, finishedWork); commitReconciliationEffects(finishedWork); if (flags & Visibility) { var _offscreenInstance = finishedWork.stateNode; var _newState = finishedWork.memoizedState; var _isHidden = _newState !== null; var offscreenBoundary = finishedWork; // Track the current state on the Offscreen instance so we can // read it during an event _offscreenInstance.isHidden = _isHidden; if (_isHidden) { if (!_wasHidden) { if ((offscreenBoundary.mode & ConcurrentMode) !== NoMode) { nextEffect = offscreenBoundary; var offscreenChild = offscreenBoundary.child; while(offscreenChild !== null){ nextEffect = offscreenChild; disappearLayoutEffects_begin(offscreenChild); offscreenChild = offscreenChild.sibling; } } } } // TODO: This needs to run whenever there's an insertion or update // inside a hidden Offscreen tree. hideOrUnhideAllChildren(offscreenBoundary, _isHidden); } return; case SuspenseListComponent: recursivelyTraverseMutationEffects(root, finishedWork); commitReconciliationEffects(finishedWork); if (flags & Update) attachSuspenseRetryListeners(finishedWork); return; case ScopeComponent: return; default: recursivelyTraverseMutationEffects(root, finishedWork); commitReconciliationEffects(finishedWork); return; } } function commitReconciliationEffects(finishedWork) { // Placement effects (insertions, reorders) can be scheduled on any fiber // type. They needs to happen after the children effects have fired, but // before the effects on this fiber have fired. var flags = finishedWork.flags; if (flags & Placement) { try { commitPlacement(finishedWork); } catch (error) { captureCommitPhaseError(finishedWork, finishedWork.return, error); } // Clear the "placement" from effect tag so that we know that this is // inserted, before any life-cycles like componentDidMount gets called. // TODO: findDOMNode doesn't rely on this any more but isMounted does // and isMounted is deprecated anyway so we should be able to kill this. finishedWork.flags &= ~Placement; } if (flags & Hydrating) finishedWork.flags &= ~Hydrating; } function commitLayoutEffects(finishedWork, root, committedLanes) { inProgressLanes = committedLanes; inProgressRoot = root; nextEffect = finishedWork; commitLayoutEffects_begin(finishedWork, root, committedLanes); inProgressLanes = null; inProgressRoot = null; } function commitLayoutEffects_begin(subtreeRoot, root, committedLanes) { // Suspense layout effects semantics don't change for legacy roots. var isModernRoot = (subtreeRoot.mode & ConcurrentMode) !== NoMode; while(nextEffect !== null){ var fiber = nextEffect; var firstChild = fiber.child; if (fiber.tag === OffscreenComponent && isModernRoot) { // Keep track of the current Offscreen stack's state. var isHidden = fiber.memoizedState !== null; var newOffscreenSubtreeIsHidden = isHidden || offscreenSubtreeIsHidden; if (newOffscreenSubtreeIsHidden) { // The Offscreen tree is hidden. Skip over its layout effects. commitLayoutMountEffects_complete(subtreeRoot, root, committedLanes); continue; } else { // TODO (Offscreen) Also check: subtreeFlags & LayoutMask var current = fiber.alternate; var wasHidden = current !== null && current.memoizedState !== null; var newOffscreenSubtreeWasHidden = wasHidden || offscreenSubtreeWasHidden; var prevOffscreenSubtreeIsHidden = offscreenSubtreeIsHidden; var prevOffscreenSubtreeWasHidden = offscreenSubtreeWasHidden; // Traverse the Offscreen subtree with the current Offscreen as the root. offscreenSubtreeIsHidden = newOffscreenSubtreeIsHidden; offscreenSubtreeWasHidden = newOffscreenSubtreeWasHidden; if (offscreenSubtreeWasHidden && !prevOffscreenSubtreeWasHidden) { // This is the root of a reappearing boundary. Turn its layout effects // back on. nextEffect = fiber; reappearLayoutEffects_begin(fiber); } var child = firstChild; while(child !== null){ nextEffect = child; commitLayoutEffects_begin(child, root, committedLanes); child = child.sibling; } // Restore Offscreen state and resume in our-progress traversal. nextEffect = fiber; offscreenSubtreeIsHidden = prevOffscreenSubtreeIsHidden; offscreenSubtreeWasHidden = prevOffscreenSubtreeWasHidden; commitLayoutMountEffects_complete(subtreeRoot, root, committedLanes); continue; } } if ((fiber.subtreeFlags & LayoutMask) !== NoFlags && firstChild !== null) { firstChild.return = fiber; nextEffect = firstChild; } else commitLayoutMountEffects_complete(subtreeRoot, root, committedLanes); } } function commitLayoutMountEffects_complete(subtreeRoot, root, committedLanes) { while(nextEffect !== null){ var fiber = nextEffect; if ((fiber.flags & LayoutMask) !== NoFlags) { var current = fiber.alternate; setCurrentFiber(fiber); try { commitLayoutEffectOnFiber(root, current, fiber, committedLanes); } catch (error) { captureCommitPhaseError(fiber, fiber.return, error); } resetCurrentFiber(); } if (fiber === subtreeRoot) { nextEffect = null; return; } var sibling = fiber.sibling; if (sibling !== null) { sibling.return = fiber.return; nextEffect = sibling; return; } nextEffect = fiber.return; } } function disappearLayoutEffects_begin(subtreeRoot) { while(nextEffect !== null){ var fiber = nextEffect; var firstChild = fiber.child; // TODO (Offscreen) Check: flags & (RefStatic | LayoutStatic) switch(fiber.tag){ case FunctionComponent: case ForwardRef: case MemoComponent: case SimpleMemoComponent: if (fiber.mode & ProfileMode) try { startLayoutEffectTimer(); commitHookEffectListUnmount(Layout, fiber, fiber.return); } finally{ recordLayoutEffectDuration(fiber); } else commitHookEffectListUnmount(Layout, fiber, fiber.return); break; case ClassComponent: // TODO (Offscreen) Check: flags & RefStatic safelyDetachRef(fiber, fiber.return); var instance = fiber.stateNode; if (typeof instance.componentWillUnmount === "function") safelyCallComponentWillUnmount(fiber, fiber.return, instance); break; case HostComponent: safelyDetachRef(fiber, fiber.return); break; case OffscreenComponent: // Check if this is a var isHidden = fiber.memoizedState !== null; if (isHidden) { // Nested Offscreen tree is already hidden. Don't disappear // its effects. disappearLayoutEffects_complete(subtreeRoot); continue; } break; } // TODO (Offscreen) Check: subtreeFlags & LayoutStatic if (firstChild !== null) { firstChild.return = fiber; nextEffect = firstChild; } else disappearLayoutEffects_complete(subtreeRoot); } } function disappearLayoutEffects_complete(subtreeRoot) { while(nextEffect !== null){ var fiber = nextEffect; if (fiber === subtreeRoot) { nextEffect = null; return; } var sibling = fiber.sibling; if (sibling !== null) { sibling.return = fiber.return; nextEffect = sibling; return; } nextEffect = fiber.return; } } function reappearLayoutEffects_begin(subtreeRoot) { while(nextEffect !== null){ var fiber = nextEffect; var firstChild = fiber.child; if (fiber.tag === OffscreenComponent) { var isHidden = fiber.memoizedState !== null; if (isHidden) { // Nested Offscreen tree is still hidden. Don't re-appear its effects. reappearLayoutEffects_complete(subtreeRoot); continue; } } // TODO (Offscreen) Check: subtreeFlags & LayoutStatic if (firstChild !== null) { // This node may have been reused from a previous render, so we can't // assume its return pointer is correct. firstChild.return = fiber; nextEffect = firstChild; } else reappearLayoutEffects_complete(subtreeRoot); } } function reappearLayoutEffects_complete(subtreeRoot) { while(nextEffect !== null){ var fiber = nextEffect; // TODO (Offscreen) Check: flags & LayoutStatic setCurrentFiber(fiber); try { reappearLayoutEffectsOnFiber(fiber); } catch (error) { captureCommitPhaseError(fiber, fiber.return, error); } resetCurrentFiber(); if (fiber === subtreeRoot) { nextEffect = null; return; } var sibling = fiber.sibling; if (sibling !== null) { // This node may have been reused from a previous render, so we can't // assume its return pointer is correct. sibling.return = fiber.return; nextEffect = sibling; return; } nextEffect = fiber.return; } } function commitPassiveMountEffects(root, finishedWork, committedLanes, committedTransitions) { nextEffect = finishedWork; commitPassiveMountEffects_begin(finishedWork, root, committedLanes, committedTransitions); } function commitPassiveMountEffects_begin(subtreeRoot, root, committedLanes, committedTransitions) { while(nextEffect !== null){ var fiber = nextEffect; var firstChild = fiber.child; if ((fiber.subtreeFlags & PassiveMask) !== NoFlags && firstChild !== null) { firstChild.return = fiber; nextEffect = firstChild; } else commitPassiveMountEffects_complete(subtreeRoot, root, committedLanes, committedTransitions); } } function commitPassiveMountEffects_complete(subtreeRoot, root, committedLanes, committedTransitions) { while(nextEffect !== null){ var fiber = nextEffect; if ((fiber.flags & Passive) !== NoFlags) { setCurrentFiber(fiber); try { commitPassiveMountOnFiber(root, fiber, committedLanes, committedTransitions); } catch (error) { captureCommitPhaseError(fiber, fiber.return, error); } resetCurrentFiber(); } if (fiber === subtreeRoot) { nextEffect = null; return; } var sibling = fiber.sibling; if (sibling !== null) { sibling.return = fiber.return; nextEffect = sibling; return; } nextEffect = fiber.return; } } function commitPassiveMountOnFiber(finishedRoot, finishedWork, committedLanes, committedTransitions) { switch(finishedWork.tag){ case FunctionComponent: case ForwardRef: case SimpleMemoComponent: if (finishedWork.mode & ProfileMode) { startPassiveEffectTimer(); try { commitHookEffectListMount(Passive$1 | HasEffect, finishedWork); } finally{ recordPassiveEffectDuration(finishedWork); } } else commitHookEffectListMount(Passive$1 | HasEffect, finishedWork); break; } } function commitPassiveUnmountEffects(firstChild) { nextEffect = firstChild; commitPassiveUnmountEffects_begin(); } function commitPassiveUnmountEffects_begin() { while(nextEffect !== null){ var fiber = nextEffect; var child = fiber.child; if ((nextEffect.flags & ChildDeletion) !== NoFlags) { var deletions = fiber.deletions; if (deletions !== null) { for(var i = 0; i < deletions.length; i++){ var fiberToDelete = deletions[i]; nextEffect = fiberToDelete; commitPassiveUnmountEffectsInsideOfDeletedTree_begin(fiberToDelete, fiber); } // A fiber was deleted from this parent fiber, but it's still part of // the previous (alternate) parent fiber's list of children. Because // children are a linked list, an earlier sibling that's still alive // will be connected to the deleted fiber via its `alternate`: // // live fiber // --alternate--> previous live fiber // --sibling--> deleted fiber // // We can't disconnect `alternate` on nodes that haven't been deleted // yet, but we can disconnect the `sibling` and `child` pointers. var previousFiber = fiber.alternate; if (previousFiber !== null) { var detachedChild = previousFiber.child; if (detachedChild !== null) { previousFiber.child = null; do { var detachedSibling = detachedChild.sibling; detachedChild.sibling = null; detachedChild = detachedSibling; }while (detachedChild !== null); } } nextEffect = fiber; } } if ((fiber.subtreeFlags & PassiveMask) !== NoFlags && child !== null) { child.return = fiber; nextEffect = child; } else commitPassiveUnmountEffects_complete(); } } function commitPassiveUnmountEffects_complete() { while(nextEffect !== null){ var fiber = nextEffect; if ((fiber.flags & Passive) !== NoFlags) { setCurrentFiber(fiber); commitPassiveUnmountOnFiber(fiber); resetCurrentFiber(); } var sibling = fiber.sibling; if (sibling !== null) { sibling.return = fiber.return; nextEffect = sibling; return; } nextEffect = fiber.return; } } function commitPassiveUnmountOnFiber(finishedWork) { switch(finishedWork.tag){ case FunctionComponent: case ForwardRef: case SimpleMemoComponent: if (finishedWork.mode & ProfileMode) { startPassiveEffectTimer(); commitHookEffectListUnmount(Passive$1 | HasEffect, finishedWork, finishedWork.return); recordPassiveEffectDuration(finishedWork); } else commitHookEffectListUnmount(Passive$1 | HasEffect, finishedWork, finishedWork.return); break; } } function commitPassiveUnmountEffectsInsideOfDeletedTree_begin(deletedSubtreeRoot, nearestMountedAncestor) { while(nextEffect !== null){ var fiber = nextEffect; // Deletion effects fire in parent -> child order // TODO: Check if fiber has a PassiveStatic flag setCurrentFiber(fiber); commitPassiveUnmountInsideDeletedTreeOnFiber(fiber, nearestMountedAncestor); resetCurrentFiber(); var child = fiber.child; // TODO: Only traverse subtree if it has a PassiveStatic flag. (But, if we // do this, still need to handle `deletedTreeCleanUpLevel` correctly.) if (child !== null) { child.return = fiber; nextEffect = child; } else commitPassiveUnmountEffectsInsideOfDeletedTree_complete(deletedSubtreeRoot); } } function commitPassiveUnmountEffectsInsideOfDeletedTree_complete(deletedSubtreeRoot) { while(nextEffect !== null){ var fiber = nextEffect; var sibling = fiber.sibling; var returnFiber = fiber.return; // Recursively traverse the entire deleted tree and clean up fiber fields. // This is more aggressive than ideal, and the long term goal is to only // have to detach the deleted tree at the root. detachFiberAfterEffects(fiber); if (fiber === deletedSubtreeRoot) { nextEffect = null; return; } if (sibling !== null) { sibling.return = returnFiber; nextEffect = sibling; return; } nextEffect = returnFiber; } } function commitPassiveUnmountInsideDeletedTreeOnFiber(current, nearestMountedAncestor) { switch(current.tag){ case FunctionComponent: case ForwardRef: case SimpleMemoComponent: if (current.mode & ProfileMode) { startPassiveEffectTimer(); commitHookEffectListUnmount(Passive$1, current, nearestMountedAncestor); recordPassiveEffectDuration(current); } else commitHookEffectListUnmount(Passive$1, current, nearestMountedAncestor); break; } } // TODO: Reuse reappearLayoutEffects traversal here? function invokeLayoutEffectMountInDEV(fiber) { // We don't need to re-check StrictEffectsMode here. // This function is only called if that check has already passed. switch(fiber.tag){ case FunctionComponent: case ForwardRef: case SimpleMemoComponent: try { commitHookEffectListMount(Layout | HasEffect, fiber); } catch (error) { captureCommitPhaseError(fiber, fiber.return, error); } break; case ClassComponent: var instance = fiber.stateNode; try { instance.componentDidMount(); } catch (error) { captureCommitPhaseError(fiber, fiber.return, error); } break; } } function invokePassiveEffectMountInDEV(fiber) { // We don't need to re-check StrictEffectsMode here. // This function is only called if that check has already passed. switch(fiber.tag){ case FunctionComponent: case ForwardRef: case SimpleMemoComponent: try { commitHookEffectListMount(Passive$1 | HasEffect, fiber); } catch (error) { captureCommitPhaseError(fiber, fiber.return, error); } break; } } function invokeLayoutEffectUnmountInDEV(fiber) { // We don't need to re-check StrictEffectsMode here. // This function is only called if that check has already passed. switch(fiber.tag){ case FunctionComponent: case ForwardRef: case SimpleMemoComponent: try { commitHookEffectListUnmount(Layout | HasEffect, fiber, fiber.return); } catch (error) { captureCommitPhaseError(fiber, fiber.return, error); } break; case ClassComponent: var instance = fiber.stateNode; if (typeof instance.componentWillUnmount === "function") safelyCallComponentWillUnmount(fiber, fiber.return, instance); break; } } function invokePassiveEffectUnmountInDEV(fiber) { // We don't need to re-check StrictEffectsMode here. // This function is only called if that check has already passed. switch(fiber.tag){ case FunctionComponent: case ForwardRef: case SimpleMemoComponent: try { commitHookEffectListUnmount(Passive$1 | HasEffect, fiber, fiber.return); } catch (error) { captureCommitPhaseError(fiber, fiber.return, error); } } } var COMPONENT_TYPE = 0; var HAS_PSEUDO_CLASS_TYPE = 1; var ROLE_TYPE = 2; var TEST_NAME_TYPE = 3; var TEXT_TYPE = 4; if (typeof Symbol === "function" && Symbol.for) { var symbolFor = Symbol.for; COMPONENT_TYPE = symbolFor("selector.component"); HAS_PSEUDO_CLASS_TYPE = symbolFor("selector.has_pseudo_class"); ROLE_TYPE = symbolFor("selector.role"); TEST_NAME_TYPE = symbolFor("selector.test_id"); TEXT_TYPE = symbolFor("selector.text"); } var commitHooks = []; function onCommitRoot$1() { commitHooks.forEach(function(commitHook) { return commitHook(); }); } var ReactCurrentActQueue = ReactSharedInternals.ReactCurrentActQueue; function isLegacyActEnvironment(fiber) { // Legacy mode. We preserve the behavior of React 17's act. It assumes an // act environment whenever `jest` is defined, but you can still turn off // spurious warnings by setting IS_REACT_ACT_ENVIRONMENT explicitly // to false. var isReactActEnvironmentGlobal = typeof IS_REACT_ACT_ENVIRONMENT !== "undefined" ? IS_REACT_ACT_ENVIRONMENT : undefined; // $FlowExpectedError - Flow doesn't know about jest var jestIsDefined = typeof jest !== "undefined"; return jestIsDefined && isReactActEnvironmentGlobal !== false; } function isConcurrentActEnvironment() { var isReactActEnvironmentGlobal = typeof IS_REACT_ACT_ENVIRONMENT !== "undefined" ? IS_REACT_ACT_ENVIRONMENT : undefined; if (!isReactActEnvironmentGlobal && ReactCurrentActQueue.current !== null) // TODO: Include link to relevant documentation page. error("The current testing environment is not configured to support act(...)"); return isReactActEnvironmentGlobal; } var ceil = Math.ceil; var ReactCurrentDispatcher$2 = ReactSharedInternals.ReactCurrentDispatcher, ReactCurrentOwner$2 = ReactSharedInternals.ReactCurrentOwner, ReactCurrentBatchConfig$3 = ReactSharedInternals.ReactCurrentBatchConfig, ReactCurrentActQueue$1 = ReactSharedInternals.ReactCurrentActQueue; var NoContext = /* */ 0; var BatchedContext = /* */ 1; var RenderContext = /* */ 2; var CommitContext = /* */ 4; var RootInProgress = 0; var RootFatalErrored = 1; var RootErrored = 2; var RootSuspended = 3; var RootSuspendedWithDelay = 4; var RootCompleted = 5; var RootDidNotComplete = 6; // Describes where we are in the React execution stack var executionContext = NoContext; // The root we're working on var workInProgressRoot = null; // The fiber we're working on var workInProgress = null; // The lanes we're rendering var workInProgressRootRenderLanes = NoLanes; // Stack that allows components to change the render lanes for its subtree // This is a superset of the lanes we started working on at the root. The only // case where it's different from `workInProgressRootRenderLanes` is when we // enter a subtree that is hidden and needs to be unhidden: Suspense and // Offscreen component. // // Most things in the work loop should deal with workInProgressRootRenderLanes. // Most things in begin/complete phases should deal with subtreeRenderLanes. var subtreeRenderLanes = NoLanes; var subtreeRenderLanesCursor = createCursor(NoLanes); // Whether to root completed, errored, suspended, etc. var workInProgressRootExitStatus = RootInProgress; // A fatal error, if one is thrown var workInProgressRootFatalError = null; // "Included" lanes refer to lanes that were worked on during this render. It's // slightly different than `renderLanes` because `renderLanes` can change as you // enter and exit an Offscreen tree. This value is the combination of all render // lanes for the entire render phase. var workInProgressRootIncludedLanes = NoLanes; // The work left over by components that were visited during this render. Only // includes unprocessed updates, not work in bailed out children. var workInProgressRootSkippedLanes = NoLanes; // Lanes that were updated (in an interleaved event) during this render. var workInProgressRootInterleavedUpdatedLanes = NoLanes; // Lanes that were updated during the render phase (*not* an interleaved event). var workInProgressRootPingedLanes = NoLanes; // Errors that are thrown during the render phase. var workInProgressRootConcurrentErrors = null; // These are errors that we recovered from without surfacing them to the UI. // We will log them once the tree commits. var workInProgressRootRecoverableErrors = null; // The most recent time we committed a fallback. This lets us ensure a train // model where we don't commit new loading states in too quick succession. var globalMostRecentFallbackTime = 0; var FALLBACK_THROTTLE_MS = 500; // The absolute time for when we should start giving up on rendering // more and prefer CPU suspense heuristics instead. var workInProgressRootRenderTargetTime = Infinity; // How long a render is supposed to take before we start following CPU // suspense heuristics and opt out of rendering more content. var RENDER_TIMEOUT_MS = 500; var workInProgressTransitions = null; function resetRenderTimer() { workInProgressRootRenderTargetTime = now() + RENDER_TIMEOUT_MS; } function getRenderTargetTime() { return workInProgressRootRenderTargetTime; } var hasUncaughtError = false; var firstUncaughtError = null; var legacyErrorBoundariesThatAlreadyFailed = null; // Only used when enableProfilerNestedUpdateScheduledHook is true; var rootDoesHavePassiveEffects = false; var rootWithPendingPassiveEffects = null; var pendingPassiveEffectsLanes = NoLanes; var pendingPassiveProfilerEffects = []; var pendingPassiveTransitions = null; // Use these to prevent an infinite loop of nested updates var NESTED_UPDATE_LIMIT = 50; var nestedUpdateCount = 0; var rootWithNestedUpdates = null; var isFlushingPassiveEffects = false; var didScheduleUpdateDuringPassiveEffects = false; var NESTED_PASSIVE_UPDATE_LIMIT = 50; var nestedPassiveUpdateCount = 0; var rootWithPassiveNestedUpdates = null; // If two updates are scheduled within the same event, we should treat their // event times as simultaneous, even if the actual clock time has advanced // between the first and second call. var currentEventTime = NoTimestamp; var currentEventTransitionLane = NoLanes; var isRunningInsertionEffect = false; function getWorkInProgressRoot() { return workInProgressRoot; } function requestEventTime() { if ((executionContext & (RenderContext | CommitContext)) !== NoContext) // We're inside React, so it's fine to read the actual time. return now(); // We're not inside React, so we may be in the middle of a browser event. if (currentEventTime !== NoTimestamp) // Use the same start time for all updates until we enter React again. return currentEventTime; // This is the first update since React yielded. Compute a new start time. currentEventTime = now(); return currentEventTime; } function requestUpdateLane(fiber) { // Special cases var mode = fiber.mode; if ((mode & ConcurrentMode) === NoMode) return SyncLane; else if ((executionContext & RenderContext) !== NoContext && workInProgressRootRenderLanes !== NoLanes) // This is a render phase update. These are not officially supported. The // old behavior is to give this the same "thread" (lanes) as // whatever is currently rendering. So if you call `setState` on a component // that happens later in the same render, it will flush. Ideally, we want to // remove the special case and treat them as if they came from an // interleaved event. Regardless, this pattern is not officially supported. // This behavior is only a fallback. The flag only exists until we can roll // out the setState warning, since existing code might accidentally rely on // the current behavior. return pickArbitraryLane(workInProgressRootRenderLanes); var isTransition = requestCurrentTransition() !== NoTransition; if (isTransition) { if (ReactCurrentBatchConfig$3.transition !== null) { var transition = ReactCurrentBatchConfig$3.transition; if (!transition._updatedFibers) transition._updatedFibers = new Set(); transition._updatedFibers.add(fiber); } // The algorithm for assigning an update to a lane should be stable for all // updates at the same priority within the same event. To do this, the // inputs to the algorithm must be the same. // // The trick we use is to cache the first of each of these inputs within an // event. Then reset the cached values once we can be sure the event is // over. Our heuristic for that is whenever we enter a concurrent work loop. if (currentEventTransitionLane === NoLane) // All transitions within the same event are assigned the same lane. currentEventTransitionLane = claimNextTransitionLane(); return currentEventTransitionLane; } // Updates originating inside certain React methods, like flushSync, have // their priority set by tracking it with a context variable. // // The opaque type returned by the host config is internally a lane, so we can // use that directly. // TODO: Move this type conversion to the event priority module. var updateLane = getCurrentUpdatePriority(); if (updateLane !== NoLane) return updateLane; // This update originated outside React. Ask the host environment for an // appropriate priority, based on the type of event. // // The opaque type returned by the host config is internally a lane, so we can // use that directly. // TODO: Move this type conversion to the event priority module. var eventLane = getCurrentEventPriority(); return eventLane; } function requestRetryLane(fiber) { // This is a fork of `requestUpdateLane` designed specifically for Suspense // "retries" — a special update that attempts to flip a Suspense boundary // from its placeholder state to its primary/resolved state. // Special cases var mode = fiber.mode; if ((mode & ConcurrentMode) === NoMode) return SyncLane; return claimNextRetryLane(); } function scheduleUpdateOnFiber(root, fiber, lane, eventTime) { checkForNestedUpdates(); if (isRunningInsertionEffect) error("useInsertionEffect must not schedule updates."); if (isFlushingPassiveEffects) didScheduleUpdateDuringPassiveEffects = true; markRootUpdated(root, lane, eventTime); if ((executionContext & RenderContext) !== NoLanes && root === workInProgressRoot) // This update was dispatched during the render phase. This is a mistake // if the update originates from user space (with the exception of local // hook updates, which are handled differently and don't reach this // function), but there are some internal React features that use this as // an implementation detail, like selective hydration. warnAboutRenderPhaseUpdatesInDEV(fiber); // Track lanes that were updated during the render phase else { if (isDevToolsPresent) addFiberToLanesMap(root, fiber, lane); warnIfUpdatesNotWrappedWithActDEV(fiber); if (root === workInProgressRoot) { // Received an update to a tree that's in the middle of rendering. Mark // that there was an interleaved update work on this root. Unless the // `deferRenderPhaseUpdateToNextBatch` flag is off and this is a render // phase update. In that case, we don't treat render phase updates as if // they were interleaved, for backwards compat reasons. if ((executionContext & RenderContext) === NoContext) workInProgressRootInterleavedUpdatedLanes = mergeLanes(workInProgressRootInterleavedUpdatedLanes, lane); if (workInProgressRootExitStatus === RootSuspendedWithDelay) // The root already suspended with a delay, which means this render // definitely won't finish. Since we have a new update, let's mark it as // suspended now, right before marking the incoming update. This has the // effect of interrupting the current render and switching to the update. // TODO: Make sure this doesn't override pings that happen while we've // already started rendering. markRootSuspended$1(root, workInProgressRootRenderLanes); } ensureRootIsScheduled(root, eventTime); if (lane === SyncLane && executionContext === NoContext && (fiber.mode & ConcurrentMode) === NoMode && // Treat `act` as if it's inside `batchedUpdates`, even in legacy mode. !ReactCurrentActQueue$1.isBatchingLegacy) { // Flush the synchronous work now, unless we're already working or inside // a batch. This is intentionally inside scheduleUpdateOnFiber instead of // scheduleCallbackForFiber to preserve the ability to schedule a callback // without immediately flushing it. We only do this for user-initiated // updates, to preserve historical behavior of legacy mode. resetRenderTimer(); flushSyncCallbacksOnlyInLegacyMode(); } } } function scheduleInitialHydrationOnRoot(root, lane, eventTime) { // This is a special fork of scheduleUpdateOnFiber that is only used to // schedule the initial hydration of a root that has just been created. Most // of the stuff in scheduleUpdateOnFiber can be skipped. // // The main reason for this separate path, though, is to distinguish the // initial children from subsequent updates. In fully client-rendered roots // (createRoot instead of hydrateRoot), all top-level renders are modeled as // updates, but hydration roots are special because the initial render must // match what was rendered on the server. var current = root.current; current.lanes = lane; markRootUpdated(root, lane, eventTime); ensureRootIsScheduled(root, eventTime); } function isUnsafeClassRenderPhaseUpdate(fiber) { // Check if this is a render phase update. Only called by class components, // which special (deprecated) behavior for UNSAFE_componentWillReceive props. return(// decided not to enable it. (executionContext & RenderContext) !== NoContext); } // Use this function to schedule a task for a root. There's only one task per // root; if a task was already scheduled, we'll check to make sure the priority // of the existing task is the same as the priority of the next level that the // root has work on. This function is called on every update, and right before // exiting a task. function ensureRootIsScheduled(root, currentTime) { var existingCallbackNode = root.callbackNode; // Check if any lanes are being starved by other work. If so, mark them as // expired so we know to work on those next. markStarvedLanesAsExpired(root, currentTime); // Determine the next lanes to work on, and their priority. var nextLanes = getNextLanes(root, root === workInProgressRoot ? workInProgressRootRenderLanes : NoLanes); if (nextLanes === NoLanes) { // Special case: There's nothing to work on. if (existingCallbackNode !== null) cancelCallback$1(existingCallbackNode); root.callbackNode = null; root.callbackPriority = NoLane; return; } // We use the highest priority lane to represent the priority of the callback. var newCallbackPriority = getHighestPriorityLane(nextLanes); // Check if there's an existing task. We may be able to reuse it. var existingCallbackPriority = root.callbackPriority; if (existingCallbackPriority === newCallbackPriority && // Special case related to `act`. If the currently scheduled task is a // Scheduler task, rather than an `act` task, cancel it and re-scheduled // on the `act` queue. !(ReactCurrentActQueue$1.current !== null && existingCallbackNode !== fakeActCallbackNode)) { // If we're going to re-use an existing task, it needs to exist. // Assume that discrete update microtasks are non-cancellable and null. // TODO: Temporary until we confirm this warning is not fired. if (existingCallbackNode == null && existingCallbackPriority !== SyncLane) error("Expected scheduled callback to exist. This error is likely caused by a bug in React. Please file an issue."); return; } if (existingCallbackNode != null) // Cancel the existing callback. We'll schedule a new one below. cancelCallback$1(existingCallbackNode); // Schedule a new callback. var newCallbackNode; if (newCallbackPriority === SyncLane) { // Special case: Sync React callbacks are scheduled on a special // internal queue if (root.tag === LegacyRoot) { if (ReactCurrentActQueue$1.isBatchingLegacy !== null) ReactCurrentActQueue$1.didScheduleLegacyUpdate = true; scheduleLegacySyncCallback(performSyncWorkOnRoot.bind(null, root)); } else scheduleSyncCallback(performSyncWorkOnRoot.bind(null, root)); // Flush the queue in a microtask. if (ReactCurrentActQueue$1.current !== null) // Inside `act`, use our internal `act` queue so that these get flushed // at the end of the current scope even when using the sync version // of `act`. ReactCurrentActQueue$1.current.push(flushSyncCallbacks); else scheduleMicrotask(function() { // In Safari, appending an iframe forces microtasks to run. // https://github.com/facebook/react/issues/22459 // We don't support running callbacks in the middle of render // or commit so we need to check against that. if ((executionContext & (RenderContext | CommitContext)) === NoContext) // Note that this would still prematurely flush the callbacks // if this happens outside render or commit phase (e.g. in an event). flushSyncCallbacks(); }); newCallbackNode = null; } else { var schedulerPriorityLevel; switch(lanesToEventPriority(nextLanes)){ case DiscreteEventPriority: schedulerPriorityLevel = ImmediatePriority; break; case ContinuousEventPriority: schedulerPriorityLevel = UserBlockingPriority; break; case DefaultEventPriority: schedulerPriorityLevel = NormalPriority; break; case IdleEventPriority: schedulerPriorityLevel = IdlePriority; break; default: schedulerPriorityLevel = NormalPriority; break; } newCallbackNode = scheduleCallback$1(schedulerPriorityLevel, performConcurrentWorkOnRoot.bind(null, root)); } root.callbackPriority = newCallbackPriority; root.callbackNode = newCallbackNode; } // This is the entry point for every concurrent task, i.e. anything that // goes through Scheduler. function performConcurrentWorkOnRoot(root, didTimeout) { resetNestedUpdateFlag(); // event time. The next update will compute a new event time. currentEventTime = NoTimestamp; currentEventTransitionLane = NoLanes; if ((executionContext & (RenderContext | CommitContext)) !== NoContext) throw new Error("Should not already be working."); // Flush any pending passive effects before deciding which lanes to work on, // in case they schedule additional work. var originalCallbackNode = root.callbackNode; var didFlushPassiveEffects = flushPassiveEffects(); if (didFlushPassiveEffects) { // Something in the passive effect phase may have canceled the current task. // Check if the task node for this root was changed. if (root.callbackNode !== originalCallbackNode) // The current task was canceled. Exit. We don't need to call // `ensureRootIsScheduled` because the check above implies either that // there's a new task, or that there's no remaining work on this root. return null; } // Determine the next lanes to work on, using the fields stored // on the root. var lanes = getNextLanes(root, root === workInProgressRoot ? workInProgressRootRenderLanes : NoLanes); if (lanes === NoLanes) // Defensive coding. This is never expected to happen. return null; // We disable time-slicing in some cases: if the work has been CPU-bound // for too long ("expired" work, to prevent starvation), or we're in // sync-updates-by-default mode. // TODO: We only check `didTimeout` defensively, to account for a Scheduler // bug we're still investigating. Once the bug in Scheduler is fixed, // we can remove this, since we track expiration ourselves. var shouldTimeSlice = !includesBlockingLane(root, lanes) && !includesExpiredLane(root, lanes) && !didTimeout; var exitStatus = shouldTimeSlice ? renderRootConcurrent(root, lanes) : renderRootSync(root, lanes); if (exitStatus !== RootInProgress) { if (exitStatus === RootErrored) { // If something threw an error, try rendering one more time. We'll // render synchronously to block concurrent data mutations, and we'll // includes all pending updates are included. If it still fails after // the second attempt, we'll give up and commit the resulting tree. var errorRetryLanes = getLanesToRetrySynchronouslyOnError(root); if (errorRetryLanes !== NoLanes) { lanes = errorRetryLanes; exitStatus = recoverFromConcurrentError(root, errorRetryLanes); } } if (exitStatus === RootFatalErrored) { var fatalError = workInProgressRootFatalError; prepareFreshStack(root, NoLanes); markRootSuspended$1(root, lanes); ensureRootIsScheduled(root, now()); throw fatalError; } if (exitStatus === RootDidNotComplete) // The render unwound without completing the tree. This happens in special // cases where need to exit the current render without producing a // consistent tree or committing. // // This should only happen during a concurrent render, not a discrete or // synchronous update. We should have already checked for this when we // unwound the stack. markRootSuspended$1(root, lanes); else { // The render completed. // Check if this render may have yielded to a concurrent event, and if so, // confirm that any newly rendered stores are consistent. // TODO: It's possible that even a concurrent render may never have yielded // to the main thread, if it was fast enough, or if it expired. We could // skip the consistency check in that case, too. var renderWasConcurrent = !includesBlockingLane(root, lanes); var finishedWork = root.current.alternate; if (renderWasConcurrent && !isRenderConsistentWithExternalStores(finishedWork)) { // A store was mutated in an interleaved event. Render again, // synchronously, to block further mutations. exitStatus = renderRootSync(root, lanes); // We need to check again if something threw if (exitStatus === RootErrored) { var _errorRetryLanes = getLanesToRetrySynchronouslyOnError(root); if (_errorRetryLanes !== NoLanes) { lanes = _errorRetryLanes; exitStatus = recoverFromConcurrentError(root, _errorRetryLanes); // We assume the tree is now consistent because we didn't yield to any // concurrent events. } } if (exitStatus === RootFatalErrored) { var _fatalError = workInProgressRootFatalError; prepareFreshStack(root, NoLanes); markRootSuspended$1(root, lanes); ensureRootIsScheduled(root, now()); throw _fatalError; } } // We now have a consistent tree. The next step is either to commit it, // or, if something suspended, wait to commit it after a timeout. root.finishedWork = finishedWork; root.finishedLanes = lanes; finishConcurrentRender(root, exitStatus, lanes); } } ensureRootIsScheduled(root, now()); if (root.callbackNode === originalCallbackNode) // The task node scheduled for this root is the same one that's // currently executed. Need to return a continuation. return performConcurrentWorkOnRoot.bind(null, root); return null; } function recoverFromConcurrentError(root, errorRetryLanes) { // If an error occurred during hydration, discard server response and fall // back to client side render. // Before rendering again, save the errors from the previous attempt. var errorsFromFirstAttempt = workInProgressRootConcurrentErrors; if (isRootDehydrated(root)) { // The shell failed to hydrate. Set a flag to force a client rendering // during the next attempt. To do this, we call prepareFreshStack now // to create the root work-in-progress fiber. This is a bit weird in terms // of factoring, because it relies on renderRootSync not calling // prepareFreshStack again in the call below, which happens because the // root and lanes haven't changed. // // TODO: I think what we should do is set ForceClientRender inside // throwException, like we do for nested Suspense boundaries. The reason // it's here instead is so we can switch to the synchronous work loop, too. // Something to consider for a future refactor. var rootWorkInProgress = prepareFreshStack(root, errorRetryLanes); rootWorkInProgress.flags |= ForceClientRender; errorHydratingContainer(root.containerInfo); } var exitStatus = renderRootSync(root, errorRetryLanes); if (exitStatus !== RootErrored) { // Successfully finished rendering on retry // The errors from the failed first attempt have been recovered. Add // them to the collection of recoverable errors. We'll log them in the // commit phase. var errorsFromSecondAttempt = workInProgressRootRecoverableErrors; workInProgressRootRecoverableErrors = errorsFromFirstAttempt; // The errors from the second attempt should be queued after the errors // from the first attempt, to preserve the causal sequence. if (errorsFromSecondAttempt !== null) queueRecoverableErrors(errorsFromSecondAttempt); } return exitStatus; } function queueRecoverableErrors(errors) { if (workInProgressRootRecoverableErrors === null) workInProgressRootRecoverableErrors = errors; else workInProgressRootRecoverableErrors.push.apply(workInProgressRootRecoverableErrors, errors); } function finishConcurrentRender(root, exitStatus, lanes) { switch(exitStatus){ case RootInProgress: case RootFatalErrored: throw new Error("Root did not complete. This is a bug in React."); // Flow knows about invariant, so it complains if I add a break // statement, but eslint doesn't know about invariant, so it complains // if I do. eslint-disable-next-line no-fallthrough case RootErrored: // We should have already attempted to retry this tree. If we reached // this point, it errored again. Commit it. commitRoot(root, workInProgressRootRecoverableErrors, workInProgressTransitions); break; case RootSuspended: markRootSuspended$1(root, lanes); // We have an acceptable loading state. We need to figure out if we // should immediately commit it or wait a bit. if (includesOnlyRetries(lanes) && // do not delay if we're inside an act() scope !shouldForceFlushFallbacksInDEV()) { // This render only included retries, no updates. Throttle committing // retries so that we don't show too many loading states too quickly. var msUntilTimeout = globalMostRecentFallbackTime + FALLBACK_THROTTLE_MS - now(); // Don't bother with a very short suspense time. if (msUntilTimeout > 10) { var nextLanes = getNextLanes(root, NoLanes); if (nextLanes !== NoLanes) break; var suspendedLanes = root.suspendedLanes; if (!isSubsetOfLanes(suspendedLanes, lanes)) { // We should prefer to render the fallback of at the last // suspended level. Ping the last suspended level to try // rendering it again. // FIXME: What if the suspended lanes are Idle? Should not restart. var eventTime = requestEventTime(); markRootPinged(root, suspendedLanes); break; } // The render is suspended, it hasn't timed out, and there's no // lower priority work to do. Instead of committing the fallback // immediately, wait for more data to arrive. root.timeoutHandle = scheduleTimeout(commitRoot.bind(null, root, workInProgressRootRecoverableErrors, workInProgressTransitions), msUntilTimeout); break; } } // The work expired. Commit immediately. commitRoot(root, workInProgressRootRecoverableErrors, workInProgressTransitions); break; case RootSuspendedWithDelay: markRootSuspended$1(root, lanes); if (includesOnlyTransitions(lanes)) break; if (!shouldForceFlushFallbacksInDEV()) { // This is not a transition, but we did trigger an avoided state. // Schedule a placeholder to display after a short delay, using the Just // Noticeable Difference. // TODO: Is the JND optimization worth the added complexity? If this is // the only reason we track the event time, then probably not. // Consider removing. var mostRecentEventTime = getMostRecentEventTime(root, lanes); var eventTimeMs = mostRecentEventTime; var timeElapsedMs = now() - eventTimeMs; var _msUntilTimeout = jnd(timeElapsedMs) - timeElapsedMs; // Don't bother with a very short suspense time. if (_msUntilTimeout > 10) { // Instead of committing the fallback immediately, wait for more data // to arrive. root.timeoutHandle = scheduleTimeout(commitRoot.bind(null, root, workInProgressRootRecoverableErrors, workInProgressTransitions), _msUntilTimeout); break; } } // Commit the placeholder. commitRoot(root, workInProgressRootRecoverableErrors, workInProgressTransitions); break; case RootCompleted: // The work completed. Ready to commit. commitRoot(root, workInProgressRootRecoverableErrors, workInProgressTransitions); break; default: throw new Error("Unknown root exit status."); } } function isRenderConsistentWithExternalStores(finishedWork) { // Search the rendered tree for external store reads, and check whether the // stores were mutated in a concurrent event. Intentionally using an iterative // loop instead of recursion so we can exit early. var node = finishedWork; while(true){ if (node.flags & StoreConsistency) { var updateQueue = node.updateQueue; if (updateQueue !== null) { var checks = updateQueue.stores; if (checks !== null) for(var i = 0; i < checks.length; i++){ var check = checks[i]; var getSnapshot = check.getSnapshot; var renderedValue = check.value; try { if (!objectIs(getSnapshot(), renderedValue)) // Found an inconsistent store. return false; } catch (error) { // If `getSnapshot` throws, return `false`. This will schedule // a re-render, and the error will be rethrown during render. return false; } } } } var child = node.child; if (node.subtreeFlags & StoreConsistency && child !== null) { child.return = node; node = child; continue; } if (node === finishedWork) return true; while(node.sibling === null){ if (node.return === null || node.return === finishedWork) return true; node = node.return; } node.sibling.return = node.return; node = node.sibling; } // Flow doesn't know this is unreachable, but eslint does // eslint-disable-next-line no-unreachable return true; } function markRootSuspended$1(root, suspendedLanes) { // When suspending, we should always exclude lanes that were pinged or (more // rarely, since we try to avoid it) updated during the render phase. // TODO: Lol maybe there's a better way to factor this besides this // obnoxiously named function :) suspendedLanes = removeLanes(suspendedLanes, workInProgressRootPingedLanes); suspendedLanes = removeLanes(suspendedLanes, workInProgressRootInterleavedUpdatedLanes); markRootSuspended(root, suspendedLanes); } // This is the entry point for synchronous tasks that don't go // through Scheduler function performSyncWorkOnRoot(root) { syncNestedUpdateFlag(); if ((executionContext & (RenderContext | CommitContext)) !== NoContext) throw new Error("Should not already be working."); flushPassiveEffects(); var lanes = getNextLanes(root, NoLanes); if (!includesSomeLane(lanes, SyncLane)) { // There's no remaining sync work left. ensureRootIsScheduled(root, now()); return null; } var exitStatus = renderRootSync(root, lanes); if (root.tag !== LegacyRoot && exitStatus === RootErrored) { // If something threw an error, try rendering one more time. We'll render // synchronously to block concurrent data mutations, and we'll includes // all pending updates are included. If it still fails after the second // attempt, we'll give up and commit the resulting tree. var errorRetryLanes = getLanesToRetrySynchronouslyOnError(root); if (errorRetryLanes !== NoLanes) { lanes = errorRetryLanes; exitStatus = recoverFromConcurrentError(root, errorRetryLanes); } } if (exitStatus === RootFatalErrored) { var fatalError = workInProgressRootFatalError; prepareFreshStack(root, NoLanes); markRootSuspended$1(root, lanes); ensureRootIsScheduled(root, now()); throw fatalError; } if (exitStatus === RootDidNotComplete) throw new Error("Root did not complete. This is a bug in React."); // We now have a consistent tree. Because this is a sync render, we // will commit it even if something suspended. var finishedWork = root.current.alternate; root.finishedWork = finishedWork; root.finishedLanes = lanes; commitRoot(root, workInProgressRootRecoverableErrors, workInProgressTransitions); // Before exiting, make sure there's a callback scheduled for the next // pending level. ensureRootIsScheduled(root, now()); return null; } function flushRoot(root, lanes) { if (lanes !== NoLanes) { markRootEntangled(root, mergeLanes(lanes, SyncLane)); ensureRootIsScheduled(root, now()); if ((executionContext & (RenderContext | CommitContext)) === NoContext) { resetRenderTimer(); flushSyncCallbacks(); } } } function batchedUpdates$1(fn, a) { var prevExecutionContext = executionContext; executionContext |= BatchedContext; try { return fn(a); } finally{ executionContext = prevExecutionContext; // If there were legacy sync updates, flush them at the end of the outer // most batchedUpdates-like method. if (executionContext === NoContext && // Treat `act` as if it's inside `batchedUpdates`, even in legacy mode. !ReactCurrentActQueue$1.isBatchingLegacy) { resetRenderTimer(); flushSyncCallbacksOnlyInLegacyMode(); } } } function discreteUpdates(fn, a, b, c, d) { var previousPriority = getCurrentUpdatePriority(); var prevTransition = ReactCurrentBatchConfig$3.transition; try { ReactCurrentBatchConfig$3.transition = null; setCurrentUpdatePriority(DiscreteEventPriority); return fn(a, b, c, d); } finally{ setCurrentUpdatePriority(previousPriority); ReactCurrentBatchConfig$3.transition = prevTransition; if (executionContext === NoContext) resetRenderTimer(); } } // Overload the definition to the two valid signatures. // Warning, this opts-out of checking the function body. // eslint-disable-next-line no-redeclare function flushSync(fn) { // In legacy mode, we flush pending passive effects at the beginning of the // next event, not at the end of the previous one. if (rootWithPendingPassiveEffects !== null && rootWithPendingPassiveEffects.tag === LegacyRoot && (executionContext & (RenderContext | CommitContext)) === NoContext) flushPassiveEffects(); var prevExecutionContext = executionContext; executionContext |= BatchedContext; var prevTransition = ReactCurrentBatchConfig$3.transition; var previousPriority = getCurrentUpdatePriority(); try { ReactCurrentBatchConfig$3.transition = null; setCurrentUpdatePriority(DiscreteEventPriority); if (fn) return fn(); else return undefined; } finally{ setCurrentUpdatePriority(previousPriority); ReactCurrentBatchConfig$3.transition = prevTransition; executionContext = prevExecutionContext; // Flush the immediate callbacks that were scheduled during this batch. // Note that this will happen even if batchedUpdates is higher up // the stack. if ((executionContext & (RenderContext | CommitContext)) === NoContext) flushSyncCallbacks(); } } function isAlreadyRendering() { // Used by the renderer to print a warning if certain APIs are called from // the wrong context. return (executionContext & (RenderContext | CommitContext)) !== NoContext; } function pushRenderLanes(fiber, lanes) { push(subtreeRenderLanesCursor, subtreeRenderLanes, fiber); subtreeRenderLanes = mergeLanes(subtreeRenderLanes, lanes); workInProgressRootIncludedLanes = mergeLanes(workInProgressRootIncludedLanes, lanes); } function popRenderLanes(fiber) { subtreeRenderLanes = subtreeRenderLanesCursor.current; pop(subtreeRenderLanesCursor, fiber); } function prepareFreshStack(root, lanes) { root.finishedWork = null; root.finishedLanes = NoLanes; var timeoutHandle = root.timeoutHandle; if (timeoutHandle !== noTimeout) { // The root previous suspended and scheduled a timeout to commit a fallback // state. Now that we have additional work, cancel the timeout. root.timeoutHandle = noTimeout; // $FlowFixMe Complains noTimeout is not a TimeoutID, despite the check above cancelTimeout(timeoutHandle); } if (workInProgress !== null) { var interruptedWork = workInProgress.return; while(interruptedWork !== null){ var current = interruptedWork.alternate; unwindInterruptedWork(current, interruptedWork); interruptedWork = interruptedWork.return; } } workInProgressRoot = root; var rootWorkInProgress = createWorkInProgress(root.current, null); workInProgress = rootWorkInProgress; workInProgressRootRenderLanes = subtreeRenderLanes = workInProgressRootIncludedLanes = lanes; workInProgressRootExitStatus = RootInProgress; workInProgressRootFatalError = null; workInProgressRootSkippedLanes = NoLanes; workInProgressRootInterleavedUpdatedLanes = NoLanes; workInProgressRootPingedLanes = NoLanes; workInProgressRootConcurrentErrors = null; workInProgressRootRecoverableErrors = null; finishQueueingConcurrentUpdates(); ReactStrictModeWarnings.discardPendingWarnings(); return rootWorkInProgress; } function handleError(root, thrownValue) { do { var erroredWork = workInProgress; try { // Reset module-level state that was set during the render phase. resetContextDependencies(); resetHooksAfterThrow(); resetCurrentFiber(); // TODO: I found and added this missing line while investigating a // separate issue. Write a regression test using string refs. ReactCurrentOwner$2.current = null; if (erroredWork === null || erroredWork.return === null) { // Expected to be working on a non-root fiber. This is a fatal error // because there's no ancestor that can handle it; the root is // supposed to capture all errors that weren't caught by an error // boundary. workInProgressRootExitStatus = RootFatalErrored; workInProgressRootFatalError = thrownValue; // Set `workInProgress` to null. This represents advancing to the next // sibling, or the parent if there are no siblings. But since the root // has no siblings nor a parent, we set it to null. Usually this is // handled by `completeUnitOfWork` or `unwindWork`, but since we're // intentionally not calling those, we need set it here. // TODO: Consider calling `unwindWork` to pop the contexts. workInProgress = null; return; } if (enableProfilerTimer && erroredWork.mode & ProfileMode) // Record the time spent rendering before an error was thrown. This // avoids inaccurate Profiler durations in the case of a // suspended render. stopProfilerTimerIfRunningAndRecordDelta(erroredWork, true); if (enableSchedulingProfiler) { markComponentRenderStopped(); if (thrownValue !== null && typeof thrownValue === "object" && typeof thrownValue.then === "function") { var wakeable = thrownValue; markComponentSuspended(erroredWork, wakeable, workInProgressRootRenderLanes); } else markComponentErrored(erroredWork, thrownValue, workInProgressRootRenderLanes); } throwException(root, erroredWork.return, erroredWork, thrownValue, workInProgressRootRenderLanes); completeUnitOfWork(erroredWork); } catch (yetAnotherThrownValue) { // Something in the return path also threw. thrownValue = yetAnotherThrownValue; if (workInProgress === erroredWork && erroredWork !== null) { // If this boundary has already errored, then we had trouble processing // the error. Bubble it to the next boundary. erroredWork = erroredWork.return; workInProgress = erroredWork; } else erroredWork = workInProgress; continue; } // Return to the normal work loop. return; }while (true); } function pushDispatcher() { var prevDispatcher = ReactCurrentDispatcher$2.current; ReactCurrentDispatcher$2.current = ContextOnlyDispatcher; if (prevDispatcher === null) // The React isomorphic package does not include a default dispatcher. // Instead the first renderer will lazily attach one, in order to give // nicer error messages. return ContextOnlyDispatcher; else return prevDispatcher; } function popDispatcher(prevDispatcher) { ReactCurrentDispatcher$2.current = prevDispatcher; } function markCommitTimeOfFallback() { globalMostRecentFallbackTime = now(); } function markSkippedUpdateLanes(lane) { workInProgressRootSkippedLanes = mergeLanes(lane, workInProgressRootSkippedLanes); } function renderDidSuspend() { if (workInProgressRootExitStatus === RootInProgress) workInProgressRootExitStatus = RootSuspended; } function renderDidSuspendDelayIfPossible() { if (workInProgressRootExitStatus === RootInProgress || workInProgressRootExitStatus === RootSuspended || workInProgressRootExitStatus === RootErrored) workInProgressRootExitStatus = RootSuspendedWithDelay; // Check if there are updates that we skipped tree that might have unblocked // this render. if (workInProgressRoot !== null && (includesNonIdleWork(workInProgressRootSkippedLanes) || includesNonIdleWork(workInProgressRootInterleavedUpdatedLanes))) // Mark the current render as suspended so that we switch to working on // the updates that were skipped. Usually we only suspend at the end of // the render phase. // TODO: We should probably always mark the root as suspended immediately // (inside this function), since by suspending at the end of the render // phase introduces a potential mistake where we suspend lanes that were // pinged or updated while we were rendering. markRootSuspended$1(workInProgressRoot, workInProgressRootRenderLanes); } function renderDidError(error) { if (workInProgressRootExitStatus !== RootSuspendedWithDelay) workInProgressRootExitStatus = RootErrored; if (workInProgressRootConcurrentErrors === null) workInProgressRootConcurrentErrors = [ error ]; else workInProgressRootConcurrentErrors.push(error); } // Called during render to determine if anything has suspended. // Returns false if we're not sure. function renderHasNotSuspendedYet() { // If something errored or completed, we can't really be sure, // so those are false. return workInProgressRootExitStatus === RootInProgress; } function renderRootSync(root, lanes) { var prevExecutionContext = executionContext; executionContext |= RenderContext; var prevDispatcher = pushDispatcher(); // If the root or lanes have changed, throw out the existing stack // and prepare a fresh one. Otherwise we'll continue where we left off. if (workInProgressRoot !== root || workInProgressRootRenderLanes !== lanes) { if (isDevToolsPresent) { var memoizedUpdaters = root.memoizedUpdaters; if (memoizedUpdaters.size > 0) { restorePendingUpdaters(root, workInProgressRootRenderLanes); memoizedUpdaters.clear(); } // At this point, move Fibers that scheduled the upcoming work from the Map to the Set. // If we bailout on this work, we'll move them back (like above). // It's important to move them now in case the work spawns more work at the same priority with different updaters. // That way we can keep the current update and future updates separate. movePendingFibersToMemoized(root, lanes); } workInProgressTransitions = getTransitionsForLanes(); prepareFreshStack(root, lanes); } markRenderStarted(lanes); for(;;)try { workLoopSync(); break; } catch (thrownValue) { handleError(root, thrownValue); } resetContextDependencies(); executionContext = prevExecutionContext; popDispatcher(prevDispatcher); if (workInProgress !== null) // This is a sync render, so we should have finished the whole tree. throw new Error("Cannot commit an incomplete root. This error is likely caused by a bug in React. Please file an issue."); markRenderStopped(); workInProgressRoot = null; workInProgressRootRenderLanes = NoLanes; return workInProgressRootExitStatus; } // The work loop is an extremely hot path. Tell Closure not to inline it. /** @noinline */ function workLoopSync() { // Already timed out, so perform work without checking if we need to yield. while(workInProgress !== null)performUnitOfWork(workInProgress); } function renderRootConcurrent(root, lanes) { var prevExecutionContext = executionContext; executionContext |= RenderContext; var prevDispatcher = pushDispatcher(); // If the root or lanes have changed, throw out the existing stack // and prepare a fresh one. Otherwise we'll continue where we left off. if (workInProgressRoot !== root || workInProgressRootRenderLanes !== lanes) { if (isDevToolsPresent) { var memoizedUpdaters = root.memoizedUpdaters; if (memoizedUpdaters.size > 0) { restorePendingUpdaters(root, workInProgressRootRenderLanes); memoizedUpdaters.clear(); } // At this point, move Fibers that scheduled the upcoming work from the Map to the Set. // If we bailout on this work, we'll move them back (like above). // It's important to move them now in case the work spawns more work at the same priority with different updaters. // That way we can keep the current update and future updates separate. movePendingFibersToMemoized(root, lanes); } workInProgressTransitions = getTransitionsForLanes(); resetRenderTimer(); prepareFreshStack(root, lanes); } markRenderStarted(lanes); for(;;)try { workLoopConcurrent(); break; } catch (thrownValue) { handleError(root, thrownValue); } resetContextDependencies(); popDispatcher(prevDispatcher); executionContext = prevExecutionContext; if (workInProgress !== null) { markRenderYielded(); return RootInProgress; } else { markRenderStopped(); workInProgressRoot = null; workInProgressRootRenderLanes = NoLanes; // Return the final exit status. return workInProgressRootExitStatus; } } /** @noinline */ function workLoopConcurrent() { // Perform work until Scheduler asks us to yield while(workInProgress !== null && !shouldYield())performUnitOfWork(workInProgress); } function performUnitOfWork(unitOfWork) { // The current, flushed, state of this fiber is the alternate. Ideally // nothing should rely on this, but relying on it here means that we don't // need an additional field on the work in progress. var current = unitOfWork.alternate; setCurrentFiber(unitOfWork); var next; if ((unitOfWork.mode & ProfileMode) !== NoMode) { startProfilerTimer(unitOfWork); next = beginWork$1(current, unitOfWork, subtreeRenderLanes); stopProfilerTimerIfRunningAndRecordDelta(unitOfWork, true); } else next = beginWork$1(current, unitOfWork, subtreeRenderLanes); resetCurrentFiber(); unitOfWork.memoizedProps = unitOfWork.pendingProps; if (next === null) // If this doesn't spawn new work, complete the current work. completeUnitOfWork(unitOfWork); else workInProgress = next; ReactCurrentOwner$2.current = null; } function completeUnitOfWork(unitOfWork) { // Attempt to complete the current unit of work, then move to the next // sibling. If there are no more siblings, return to the parent fiber. var completedWork = unitOfWork; do { // The current, flushed, state of this fiber is the alternate. Ideally // nothing should rely on this, but relying on it here means that we don't // need an additional field on the work in progress. var current = completedWork.alternate; var returnFiber = completedWork.return; // Check if the work completed or if something threw. if ((completedWork.flags & Incomplete) === NoFlags) { setCurrentFiber(completedWork); var next = void 0; if ((completedWork.mode & ProfileMode) === NoMode) next = completeWork(current, completedWork, subtreeRenderLanes); else { startProfilerTimer(completedWork); next = completeWork(current, completedWork, subtreeRenderLanes); // Update render duration assuming we didn't error. stopProfilerTimerIfRunningAndRecordDelta(completedWork, false); } resetCurrentFiber(); if (next !== null) { // Completing this fiber spawned new work. Work on that next. workInProgress = next; return; } } else { // This fiber did not complete because something threw. Pop values off // the stack without entering the complete phase. If this is a boundary, // capture values if possible. var _next = unwindWork(current, completedWork); // Because this fiber did not complete, don't reset its lanes. if (_next !== null) { // If completing this work spawned new work, do that next. We'll come // back here again. // Since we're restarting, remove anything that is not a host effect // from the effect tag. _next.flags &= HostEffectMask; workInProgress = _next; return; } if ((completedWork.mode & ProfileMode) !== NoMode) { // Record the render duration for the fiber that errored. stopProfilerTimerIfRunningAndRecordDelta(completedWork, false); // Include the time spent working on failed children before continuing. var actualDuration = completedWork.actualDuration; var child = completedWork.child; while(child !== null){ actualDuration += child.actualDuration; child = child.sibling; } completedWork.actualDuration = actualDuration; } if (returnFiber !== null) { // Mark the parent fiber as incomplete and clear its subtree flags. returnFiber.flags |= Incomplete; returnFiber.subtreeFlags = NoFlags; returnFiber.deletions = null; } else { // We've unwound all the way to the root. workInProgressRootExitStatus = RootDidNotComplete; workInProgress = null; return; } } var siblingFiber = completedWork.sibling; if (siblingFiber !== null) { // If there is more work to do in this returnFiber, do that next. workInProgress = siblingFiber; return; } // Otherwise, return to the parent completedWork = returnFiber; // Update the next thing we're working on in case something throws. workInProgress = completedWork; }while (completedWork !== null); // We've reached the root. if (workInProgressRootExitStatus === RootInProgress) workInProgressRootExitStatus = RootCompleted; } function commitRoot(root, recoverableErrors, transitions) { // TODO: This no longer makes any sense. We already wrap the mutation and // layout phases. Should be able to remove. var previousUpdateLanePriority = getCurrentUpdatePriority(); var prevTransition = ReactCurrentBatchConfig$3.transition; try { ReactCurrentBatchConfig$3.transition = null; setCurrentUpdatePriority(DiscreteEventPriority); commitRootImpl(root, recoverableErrors, transitions, previousUpdateLanePriority); } finally{ ReactCurrentBatchConfig$3.transition = prevTransition; setCurrentUpdatePriority(previousUpdateLanePriority); } return null; } function commitRootImpl(root, recoverableErrors, transitions, renderPriorityLevel) { do // `flushPassiveEffects` will call `flushSyncUpdateQueue` at the end, which // means `flushPassiveEffects` will sometimes result in additional // passive effects. So we need to keep flushing in a loop until there are // no more pending effects. // TODO: Might be better if `flushPassiveEffects` did not automatically // flush synchronous work at the end, to avoid factoring hazards like this. flushPassiveEffects(); while (rootWithPendingPassiveEffects !== null); flushRenderPhaseStrictModeWarningsInDEV(); if ((executionContext & (RenderContext | CommitContext)) !== NoContext) throw new Error("Should not already be working."); var finishedWork = root.finishedWork; var lanes = root.finishedLanes; markCommitStarted(lanes); if (finishedWork === null) { markCommitStopped(); return null; } else if (lanes === NoLanes) error("root.finishedLanes should not be empty during a commit. This is a bug in React."); root.finishedWork = null; root.finishedLanes = NoLanes; if (finishedWork === root.current) throw new Error("Cannot commit the same tree as before. This error is likely caused by a bug in React. Please file an issue."); // commitRoot never returns a continuation; it always finishes synchronously. // So we can clear these now to allow a new callback to be scheduled. root.callbackNode = null; root.callbackPriority = NoLane; // Update the first and last pending times on this root. The new first // pending time is whatever is left on the root fiber. var remainingLanes = mergeLanes(finishedWork.lanes, finishedWork.childLanes); markRootFinished(root, remainingLanes); if (root === workInProgressRoot) { // We can reset these now that they are finished. workInProgressRoot = null; workInProgress = null; workInProgressRootRenderLanes = NoLanes; } // If there are pending passive effects, schedule a callback to process them. // Do this as early as possible, so it is queued before anything else that // might get scheduled in the commit phase. (See #16714.) // TODO: Delete all other places that schedule the passive effect callback // They're redundant. if ((finishedWork.subtreeFlags & PassiveMask) !== NoFlags || (finishedWork.flags & PassiveMask) !== NoFlags) { if (!rootDoesHavePassiveEffects) { rootDoesHavePassiveEffects = true; // to store it in pendingPassiveTransitions until they get processed // We need to pass this through as an argument to commitRoot // because workInProgressTransitions might have changed between // the previous render and commit if we throttle the commit // with setTimeout pendingPassiveTransitions = transitions; scheduleCallback$1(NormalPriority, function() { flushPassiveEffects(); // This render triggered passive effects: release the root cache pool // *after* passive effects fire to avoid freeing a cache pool that may // be referenced by a node in the tree (HostRoot, Cache boundary etc) return null; }); } } // Check if there are any effects in the whole tree. // TODO: This is left over from the effect list implementation, where we had // to check for the existence of `firstEffect` to satisfy Flow. I think the // only other reason this optimization exists is because it affects profiling. // Reconsider whether this is necessary. var subtreeHasEffects = (finishedWork.subtreeFlags & (BeforeMutationMask | MutationMask | LayoutMask | PassiveMask)) !== NoFlags; var rootHasEffect = (finishedWork.flags & (BeforeMutationMask | MutationMask | LayoutMask | PassiveMask)) !== NoFlags; if (subtreeHasEffects || rootHasEffect) { var prevTransition = ReactCurrentBatchConfig$3.transition; ReactCurrentBatchConfig$3.transition = null; var previousPriority = getCurrentUpdatePriority(); setCurrentUpdatePriority(DiscreteEventPriority); var prevExecutionContext = executionContext; executionContext |= CommitContext; // Reset this to null before calling lifecycles ReactCurrentOwner$2.current = null; // The commit phase is broken into several sub-phases. We do a separate pass // of the effect list for each phase: all mutation effects come before all // layout effects, and so on. // The first phase a "before mutation" phase. We use this phase to read the // state of the host tree right before we mutate it. This is where // getSnapshotBeforeUpdate is called. var shouldFireAfterActiveInstanceBlur = commitBeforeMutationEffects(root, finishedWork); // Mark the current commit time to be shared by all Profilers in this // batch. This enables them to be grouped later. recordCommitTime(); commitMutationEffects(root, finishedWork, lanes); resetAfterCommit(root.containerInfo); // The work-in-progress tree is now the current tree. This must come after // the mutation phase, so that the previous tree is still current during // componentWillUnmount, but before the layout phase, so that the finished // work is current during componentDidMount/Update. root.current = finishedWork; // The next phase is the layout phase, where we call effects that read markLayoutEffectsStarted(lanes); commitLayoutEffects(finishedWork, root, lanes); markLayoutEffectsStopped(); // opportunity to paint. requestPaint(); executionContext = prevExecutionContext; // Reset the priority to the previous non-sync value. setCurrentUpdatePriority(previousPriority); ReactCurrentBatchConfig$3.transition = prevTransition; } else { // No effects. root.current = finishedWork; // Measure these anyway so the flamegraph explicitly shows that there were recordCommitTime(); } var rootDidHavePassiveEffects = rootDoesHavePassiveEffects; if (rootDoesHavePassiveEffects) { // This commit has passive effects. Stash a reference to them. But don't // schedule a callback until after flushing layout work. rootDoesHavePassiveEffects = false; rootWithPendingPassiveEffects = root; pendingPassiveEffectsLanes = lanes; } else { nestedPassiveUpdateCount = 0; rootWithPassiveNestedUpdates = null; } // Read this again, since an effect might have updated it remainingLanes = root.pendingLanes; // Check if there's remaining work on this root // TODO: This is part of the `componentDidCatch` implementation. Its purpose // is to detect whether something might have called setState inside // `componentDidCatch`. The mechanism is known to be flawed because `setState` // inside `componentDidCatch` is itself flawed — that's why we recommend // `getDerivedStateFromError` instead. However, it could be improved by // checking if remainingLanes includes Sync work, instead of whether there's // any work remaining at all (which would also include stuff like Suspense // retries or transitions). It's been like this for a while, though, so fixing // it probably isn't that urgent. if (remainingLanes === NoLanes) // If there's no remaining work, we can clear the set of already failed // error boundaries. legacyErrorBoundariesThatAlreadyFailed = null; if (!rootDidHavePassiveEffects) commitDoubleInvokeEffectsInDEV(root.current, false); onCommitRoot(finishedWork.stateNode, renderPriorityLevel); if (isDevToolsPresent) root.memoizedUpdaters.clear(); onCommitRoot$1(); // additional work on this root is scheduled. ensureRootIsScheduled(root, now()); if (recoverableErrors !== null) { // There were errors during this render, but recovered from them without // needing to surface it to the UI. We log them here. var onRecoverableError = root.onRecoverableError; for(var i = 0; i < recoverableErrors.length; i++){ var recoverableError = recoverableErrors[i]; var componentStack = recoverableError.stack; var digest = recoverableError.digest; onRecoverableError(recoverableError.value, { componentStack: componentStack, digest: digest }); } } if (hasUncaughtError) { hasUncaughtError = false; var error$1 = firstUncaughtError; firstUncaughtError = null; throw error$1; } // If the passive effects are the result of a discrete render, flush them // synchronously at the end of the current task so that the result is // immediately observable. Otherwise, we assume that they are not // order-dependent and do not need to be observed by external systems, so we // can wait until after paint. // TODO: We can optimize this by not scheduling the callback earlier. Since we // currently schedule the callback in multiple places, will wait until those // are consolidated. if (includesSomeLane(pendingPassiveEffectsLanes, SyncLane) && root.tag !== LegacyRoot) flushPassiveEffects(); // Read this again, since a passive effect might have updated it remainingLanes = root.pendingLanes; if (includesSomeLane(remainingLanes, SyncLane)) { markNestedUpdateScheduled(); // finishing. If there are too many, it indicates an infinite update loop. if (root === rootWithNestedUpdates) nestedUpdateCount++; else { nestedUpdateCount = 0; rootWithNestedUpdates = root; } } else nestedUpdateCount = 0; // If layout work was scheduled, flush it now. flushSyncCallbacks(); markCommitStopped(); return null; } function flushPassiveEffects() { // Returns whether passive effects were flushed. // TODO: Combine this check with the one in flushPassiveEFfectsImpl. We should // probably just combine the two functions. I believe they were only separate // in the first place because we used to wrap it with // `Scheduler.runWithPriority`, which accepts a function. But now we track the // priority within React itself, so we can mutate the variable directly. if (rootWithPendingPassiveEffects !== null) { var renderPriority = lanesToEventPriority(pendingPassiveEffectsLanes); var priority = lowerEventPriority(DefaultEventPriority, renderPriority); var prevTransition = ReactCurrentBatchConfig$3.transition; var previousPriority = getCurrentUpdatePriority(); try { ReactCurrentBatchConfig$3.transition = null; setCurrentUpdatePriority(priority); return flushPassiveEffectsImpl(); } finally{ setCurrentUpdatePriority(previousPriority); ReactCurrentBatchConfig$3.transition = prevTransition; // Once passive effects have run for the tree - giving components a } } return false; } function enqueuePendingPassiveProfilerEffect(fiber) { pendingPassiveProfilerEffects.push(fiber); if (!rootDoesHavePassiveEffects) { rootDoesHavePassiveEffects = true; scheduleCallback$1(NormalPriority, function() { flushPassiveEffects(); return null; }); } } function flushPassiveEffectsImpl() { if (rootWithPendingPassiveEffects === null) return false; // Cache and clear the transitions flag var transitions = pendingPassiveTransitions; pendingPassiveTransitions = null; var root = rootWithPendingPassiveEffects; var lanes = pendingPassiveEffectsLanes; rootWithPendingPassiveEffects = null; // TODO: This is sometimes out of sync with rootWithPendingPassiveEffects. // Figure out why and fix it. It's not causing any known issues (probably // because it's only used for profiling), but it's a refactor hazard. pendingPassiveEffectsLanes = NoLanes; if ((executionContext & (RenderContext | CommitContext)) !== NoContext) throw new Error("Cannot flush passive effects while already rendering."); isFlushingPassiveEffects = true; didScheduleUpdateDuringPassiveEffects = false; markPassiveEffectsStarted(lanes); var prevExecutionContext = executionContext; executionContext |= CommitContext; commitPassiveUnmountEffects(root.current); commitPassiveMountEffects(root, root.current, lanes, transitions); // TODO: Move to commitPassiveMountEffects var profilerEffects = pendingPassiveProfilerEffects; pendingPassiveProfilerEffects = []; for(var i = 0; i < profilerEffects.length; i++){ var _fiber = profilerEffects[i]; commitPassiveEffectDurations(root, _fiber); } markPassiveEffectsStopped(); commitDoubleInvokeEffectsInDEV(root.current, true); executionContext = prevExecutionContext; flushSyncCallbacks(); // If additional passive effects were scheduled, increment a counter. If this // exceeds the limit, we'll fire a warning. if (didScheduleUpdateDuringPassiveEffects) { if (root === rootWithPassiveNestedUpdates) nestedPassiveUpdateCount++; else { nestedPassiveUpdateCount = 0; rootWithPassiveNestedUpdates = root; } } else nestedPassiveUpdateCount = 0; isFlushingPassiveEffects = false; didScheduleUpdateDuringPassiveEffects = false; onPostCommitRoot(root); var stateNode = root.current.stateNode; stateNode.effectDuration = 0; stateNode.passiveEffectDuration = 0; return true; } function isAlreadyFailedLegacyErrorBoundary(instance) { return legacyErrorBoundariesThatAlreadyFailed !== null && legacyErrorBoundariesThatAlreadyFailed.has(instance); } function markLegacyErrorBoundaryAsFailed(instance) { if (legacyErrorBoundariesThatAlreadyFailed === null) legacyErrorBoundariesThatAlreadyFailed = new Set([ instance ]); else legacyErrorBoundariesThatAlreadyFailed.add(instance); } function prepareToThrowUncaughtError(error) { if (!hasUncaughtError) { hasUncaughtError = true; firstUncaughtError = error; } } var onUncaughtError = prepareToThrowUncaughtError; function captureCommitPhaseErrorOnRoot(rootFiber, sourceFiber, error) { var errorInfo = createCapturedValueAtFiber(error, sourceFiber); var update = createRootErrorUpdate(rootFiber, errorInfo, SyncLane); var root = enqueueUpdate(rootFiber, update, SyncLane); var eventTime = requestEventTime(); if (root !== null) { markRootUpdated(root, SyncLane, eventTime); ensureRootIsScheduled(root, eventTime); } } function captureCommitPhaseError(sourceFiber, nearestMountedAncestor, error$1) { reportUncaughtErrorInDEV(error$1); setIsRunningInsertionEffect(false); if (sourceFiber.tag === HostRoot) { // Error was thrown at the root. There is no parent, so the root // itself should capture it. captureCommitPhaseErrorOnRoot(sourceFiber, sourceFiber, error$1); return; } var fiber = null; fiber = nearestMountedAncestor; while(fiber !== null){ if (fiber.tag === HostRoot) { captureCommitPhaseErrorOnRoot(fiber, sourceFiber, error$1); return; } else if (fiber.tag === ClassComponent) { var ctor = fiber.type; var instance = fiber.stateNode; if (typeof ctor.getDerivedStateFromError === "function" || typeof instance.componentDidCatch === "function" && !isAlreadyFailedLegacyErrorBoundary(instance)) { var errorInfo = createCapturedValueAtFiber(error$1, sourceFiber); var update = createClassErrorUpdate(fiber, errorInfo, SyncLane); var root = enqueueUpdate(fiber, update, SyncLane); var eventTime = requestEventTime(); if (root !== null) { markRootUpdated(root, SyncLane, eventTime); ensureRootIsScheduled(root, eventTime); } return; } } fiber = fiber.return; } // TODO: Until we re-land skipUnmountedBoundaries (see #20147), this warning // will fire for errors that are thrown by destroy functions inside deleted // trees. What it should instead do is propagate the error to the parent of // the deleted tree. In the meantime, do not add this warning to the // allowlist; this is only for our internal use. error("Internal React error: Attempted to capture a commit phase error inside a detached tree. This indicates a bug in React. Likely causes include deleting the same fiber more than once, committing an already-finished tree, or an inconsistent return pointer.\n\nError message:\n\n%s", error$1); } function pingSuspendedRoot(root, wakeable, pingedLanes) { var pingCache = root.pingCache; if (pingCache !== null) // The wakeable resolved, so we no longer need to memoize, because it will // never be thrown again. pingCache.delete(wakeable); var eventTime = requestEventTime(); markRootPinged(root, pingedLanes); warnIfSuspenseResolutionNotWrappedWithActDEV(root); if (workInProgressRoot === root && isSubsetOfLanes(workInProgressRootRenderLanes, pingedLanes)) { // Received a ping at the same priority level at which we're currently // rendering. We might want to restart this render. This should mirror // the logic of whether or not a root suspends once it completes. // TODO: If we're rendering sync either due to Sync, Batched or expired, // we should probably never restart. // If we're suspended with delay, or if it's a retry, we'll always suspend // so we can always restart. if (workInProgressRootExitStatus === RootSuspendedWithDelay || workInProgressRootExitStatus === RootSuspended && includesOnlyRetries(workInProgressRootRenderLanes) && now() - globalMostRecentFallbackTime < FALLBACK_THROTTLE_MS) // Restart from the root. prepareFreshStack(root, NoLanes); else // Even though we can't restart right now, we might get an // opportunity later. So we mark this render as having a ping. workInProgressRootPingedLanes = mergeLanes(workInProgressRootPingedLanes, pingedLanes); } ensureRootIsScheduled(root, eventTime); } function retryTimedOutBoundary(boundaryFiber, retryLane) { // The boundary fiber (a Suspense component or SuspenseList component) // previously was rendered in its fallback state. One of the promises that // suspended it has resolved, which means at least part of the tree was // likely unblocked. Try rendering again, at a new lanes. if (retryLane === NoLane) // TODO: Assign this to `suspenseState.retryLane`? to avoid // unnecessary entanglement? retryLane = requestRetryLane(boundaryFiber); // TODO: Special case idle priority? var eventTime = requestEventTime(); var root = enqueueConcurrentRenderForLane(boundaryFiber, retryLane); if (root !== null) { markRootUpdated(root, retryLane, eventTime); ensureRootIsScheduled(root, eventTime); } } function retryDehydratedSuspenseBoundary(boundaryFiber) { var suspenseState = boundaryFiber.memoizedState; var retryLane = NoLane; if (suspenseState !== null) retryLane = suspenseState.retryLane; retryTimedOutBoundary(boundaryFiber, retryLane); } function resolveRetryWakeable(boundaryFiber, wakeable) { var retryLane = NoLane; // Default var retryCache; switch(boundaryFiber.tag){ case SuspenseComponent: retryCache = boundaryFiber.stateNode; var suspenseState = boundaryFiber.memoizedState; if (suspenseState !== null) retryLane = suspenseState.retryLane; break; case SuspenseListComponent: retryCache = boundaryFiber.stateNode; break; default: throw new Error("Pinged unknown suspense boundary type. This is probably a bug in React."); } if (retryCache !== null) // The wakeable resolved, so we no longer need to memoize, because it will // never be thrown again. retryCache.delete(wakeable); retryTimedOutBoundary(boundaryFiber, retryLane); } // Computes the next Just Noticeable Difference (JND) boundary. // The theory is that a person can't tell the difference between small differences in time. // Therefore, if we wait a bit longer than necessary that won't translate to a noticeable // difference in the experience. However, waiting for longer might mean that we can avoid // showing an intermediate loading state. The longer we have already waited, the harder it // is to tell small differences in time. Therefore, the longer we've already waited, // the longer we can wait additionally. At some point we have to give up though. // We pick a train model where the next boundary commits at a consistent schedule. // These particular numbers are vague estimates. We expect to adjust them based on research. function jnd(timeElapsed) { return timeElapsed < 120 ? 120 : timeElapsed < 480 ? 480 : timeElapsed < 1080 ? 1080 : timeElapsed < 1920 ? 1920 : timeElapsed < 3000 ? 3000 : timeElapsed < 4320 ? 4320 : ceil(timeElapsed / 1960) * 1960; } function checkForNestedUpdates() { if (nestedUpdateCount > NESTED_UPDATE_LIMIT) { nestedUpdateCount = 0; rootWithNestedUpdates = null; throw new Error("Maximum update depth exceeded. This can happen when a component repeatedly calls setState inside componentWillUpdate or componentDidUpdate. React limits the number of nested updates to prevent infinite loops."); } if (nestedPassiveUpdateCount > NESTED_PASSIVE_UPDATE_LIMIT) { nestedPassiveUpdateCount = 0; rootWithPassiveNestedUpdates = null; error("Maximum update depth exceeded. This can happen when a component calls setState inside useEffect, but useEffect either doesn't have a dependency array, or one of the dependencies changes on every render."); } } function flushRenderPhaseStrictModeWarningsInDEV() { ReactStrictModeWarnings.flushLegacyContextWarning(); ReactStrictModeWarnings.flushPendingUnsafeLifecycleWarnings(); } function commitDoubleInvokeEffectsInDEV(fiber, hasPassiveEffects) { // TODO (StrictEffects) Should we set a marker on the root if it contains strict effects // so we don't traverse unnecessarily? similar to subtreeFlags but just at the root level. // Maybe not a big deal since this is DEV only behavior. setCurrentFiber(fiber); invokeEffectsInDev(fiber, MountLayoutDev, invokeLayoutEffectUnmountInDEV); if (hasPassiveEffects) invokeEffectsInDev(fiber, MountPassiveDev, invokePassiveEffectUnmountInDEV); invokeEffectsInDev(fiber, MountLayoutDev, invokeLayoutEffectMountInDEV); if (hasPassiveEffects) invokeEffectsInDev(fiber, MountPassiveDev, invokePassiveEffectMountInDEV); resetCurrentFiber(); } function invokeEffectsInDev(firstChild, fiberFlags, invokeEffectFn) { // We don't need to re-check StrictEffectsMode here. // This function is only called if that check has already passed. var current = firstChild; var subtreeRoot = null; while(current !== null){ var primarySubtreeFlag = current.subtreeFlags & fiberFlags; if (current !== subtreeRoot && current.child !== null && primarySubtreeFlag !== NoFlags) current = current.child; else { if ((current.flags & fiberFlags) !== NoFlags) invokeEffectFn(current); if (current.sibling !== null) current = current.sibling; else current = subtreeRoot = current.return; } } } var didWarnStateUpdateForNotYetMountedComponent = null; function warnAboutUpdateOnNotYetMountedFiberInDEV(fiber) { if ((executionContext & RenderContext) !== NoContext) // We let the other warning about render phase updates deal with this one. return; if (!(fiber.mode & ConcurrentMode)) return; var tag = fiber.tag; if (tag !== IndeterminateComponent && tag !== HostRoot && tag !== ClassComponent && tag !== FunctionComponent && tag !== ForwardRef && tag !== MemoComponent && tag !== SimpleMemoComponent) // Only warn for user-defined components, not internal ones like Suspense. return; // We show the whole stack but dedupe on the top component's name because // the problematic code almost always lies inside that component. var componentName = getComponentNameFromFiber(fiber) || "ReactComponent"; if (didWarnStateUpdateForNotYetMountedComponent !== null) { if (didWarnStateUpdateForNotYetMountedComponent.has(componentName)) return; didWarnStateUpdateForNotYetMountedComponent.add(componentName); } else didWarnStateUpdateForNotYetMountedComponent = new Set([ componentName ]); var previousFiber = current; try { setCurrentFiber(fiber); error("Can't perform a React state update on a component that hasn't mounted yet. This indicates that you have a side-effect in your render function that asynchronously later calls tries to update the component. Move this work to useEffect instead."); } finally{ if (previousFiber) setCurrentFiber(fiber); else resetCurrentFiber(); } } var beginWork$1; var dummyFiber = null; beginWork$1 = function(current, unitOfWork, lanes) { // If a component throws an error, we replay it again in a synchronously // dispatched event, so that the debugger will treat it as an uncaught // error See ReactErrorUtils for more information. // Before entering the begin phase, copy the work-in-progress onto a dummy // fiber. If beginWork throws, we'll use this to reset the state. var originalWorkInProgressCopy = assignFiberPropertiesInDEV(dummyFiber, unitOfWork); try { return beginWork(current, unitOfWork, lanes); } catch (originalError) { if (didSuspendOrErrorWhileHydratingDEV() || originalError !== null && typeof originalError === "object" && typeof originalError.then === "function") // Don't replay promises. // Don't replay errors if we are hydrating and have already suspended or handled an error throw originalError; // Keep this code in sync with handleError; any changes here must have // corresponding changes there. resetContextDependencies(); resetHooksAfterThrow(); // Don't reset current debug fiber, since we're about to work on the // same fiber again. // Unwind the failed stack frame unwindInterruptedWork(current, unitOfWork); // Restore the original properties of the fiber. assignFiberPropertiesInDEV(unitOfWork, originalWorkInProgressCopy); if (unitOfWork.mode & ProfileMode) // Reset the profiler timer. startProfilerTimer(unitOfWork); // Run beginWork again. invokeGuardedCallback(null, beginWork, null, current, unitOfWork, lanes); if (hasCaughtError()) { var replayError = clearCaughtError(); if (typeof replayError === "object" && replayError !== null && replayError._suppressLogging && typeof originalError === "object" && originalError !== null && !originalError._suppressLogging) // If suppressed, let the flag carry over to the original error which is the one we'll rethrow. originalError._suppressLogging = true; } // We always throw the original error in case the second render pass is not idempotent. // This can happen if a memoized function or CommonJS module doesn't throw after first invocation. throw originalError; } }; var didWarnAboutUpdateInRender = false; var didWarnAboutUpdateInRenderForAnotherComponent; didWarnAboutUpdateInRenderForAnotherComponent = new Set(); function warnAboutRenderPhaseUpdatesInDEV(fiber) { if (isRendering && !getIsUpdatingOpaqueValueInRenderPhaseInDEV()) switch(fiber.tag){ case FunctionComponent: case ForwardRef: case SimpleMemoComponent: var renderingComponentName = workInProgress && getComponentNameFromFiber(workInProgress) || "Unknown"; // Dedupe by the rendering component because it's the one that needs to be fixed. var dedupeKey = renderingComponentName; if (!didWarnAboutUpdateInRenderForAnotherComponent.has(dedupeKey)) { didWarnAboutUpdateInRenderForAnotherComponent.add(dedupeKey); var setStateComponentName = getComponentNameFromFiber(fiber) || "Unknown"; error("Cannot update a component (`%s`) while rendering a different component (`%s`). To locate the bad setState() call inside `%s`, follow the stack trace as described in https://reactjs.org/link/setstate-in-render", setStateComponentName, renderingComponentName, renderingComponentName); } break; case ClassComponent: if (!didWarnAboutUpdateInRender) { error("Cannot update during an existing state transition (such as within `render`). Render methods should be a pure function of props and state."); didWarnAboutUpdateInRender = true; } break; } } function restorePendingUpdaters(root, lanes) { if (isDevToolsPresent) { var memoizedUpdaters = root.memoizedUpdaters; memoizedUpdaters.forEach(function(schedulingFiber) { addFiberToLanesMap(root, schedulingFiber, lanes); }); // This function intentionally does not clear memoized updaters. // Those may still be relevant to the current commit // and a future one (e.g. Suspense). } } var fakeActCallbackNode = {}; function scheduleCallback$1(priorityLevel, callback) { // If we're currently inside an `act` scope, bypass Scheduler and push to // the `act` queue instead. var actQueue = ReactCurrentActQueue$1.current; if (actQueue !== null) { actQueue.push(callback); return fakeActCallbackNode; } else return scheduleCallback(priorityLevel, callback); } function cancelCallback$1(callbackNode) { if (callbackNode === fakeActCallbackNode) return; // In production, always call Scheduler. This function will be stripped out. return cancelCallback(callbackNode); } function shouldForceFlushFallbacksInDEV() { // Never force flush in production. This function should get stripped out. return ReactCurrentActQueue$1.current !== null; } function warnIfUpdatesNotWrappedWithActDEV(fiber) { if (fiber.mode & ConcurrentMode) { if (!isConcurrentActEnvironment()) // Not in an act environment. No need to warn. return; } else { // Legacy mode has additional cases where we suppress a warning. if (!isLegacyActEnvironment()) // Not in an act environment. No need to warn. return; if (executionContext !== NoContext) // Legacy mode doesn't warn if the update is batched, i.e. // batchedUpdates or flushSync. return; if (fiber.tag !== FunctionComponent && fiber.tag !== ForwardRef && fiber.tag !== SimpleMemoComponent) // For backwards compatibility with pre-hooks code, legacy mode only // warns for updates that originate from a hook. return; } if (ReactCurrentActQueue$1.current === null) { var previousFiber = current; try { setCurrentFiber(fiber); error("An update to %s inside a test was not wrapped in act(...).\n\nWhen testing, code that causes React state updates should be wrapped into act(...):\n\nact(() => {\n /* fire events that update state */\n});\n/* assert on the output */\n\nThis ensures that you're testing the behavior the user would see in the browser. Learn more at https://reactjs.org/link/wrap-tests-with-act", getComponentNameFromFiber(fiber)); } finally{ if (previousFiber) setCurrentFiber(fiber); else resetCurrentFiber(); } } } function warnIfSuspenseResolutionNotWrappedWithActDEV(root) { if (root.tag !== LegacyRoot && isConcurrentActEnvironment() && ReactCurrentActQueue$1.current === null) error("A suspended resource finished loading inside a test, but the event was not wrapped in act(...).\n\nWhen testing, code that resolves suspended data should be wrapped into act(...):\n\nact(() => {\n /* finish loading suspended data */\n});\n/* assert on the output */\n\nThis ensures that you're testing the behavior the user would see in the browser. Learn more at https://reactjs.org/link/wrap-tests-with-act"); } function setIsRunningInsertionEffect(isRunning) { isRunningInsertionEffect = isRunning; } /* eslint-disable react-internal/prod-error-codes */ var resolveFamily = null; // $FlowFixMe Flow gets confused by a WeakSet feature check below. var failedBoundaries = null; var setRefreshHandler = function(handler) { resolveFamily = handler; }; function resolveFunctionForHotReloading(type) { if (resolveFamily === null) // Hot reloading is disabled. return type; var family = resolveFamily(type); if (family === undefined) return type; // Use the latest known implementation. return family.current; } function resolveClassForHotReloading(type) { // No implementation differences. return resolveFunctionForHotReloading(type); } function resolveForwardRefForHotReloading(type) { if (resolveFamily === null) // Hot reloading is disabled. return type; var family = resolveFamily(type); if (family === undefined) { // Check if we're dealing with a real forwardRef. Don't want to crash early. if (type !== null && type !== undefined && typeof type.render === "function") { // ForwardRef is special because its resolved .type is an object, // but it's possible that we only have its inner render function in the map. // If that inner render function is different, we'll build a new forwardRef type. var currentRender = resolveFunctionForHotReloading(type.render); if (type.render !== currentRender) { var syntheticType = { $$typeof: REACT_FORWARD_REF_TYPE, render: currentRender }; if (type.displayName !== undefined) syntheticType.displayName = type.displayName; return syntheticType; } } return type; } // Use the latest known implementation. return family.current; } function isCompatibleFamilyForHotReloading(fiber, element) { if (resolveFamily === null) // Hot reloading is disabled. return false; var prevType = fiber.elementType; var nextType = element.type; // If we got here, we know types aren't === equal. var needsCompareFamilies = false; var $$typeofNextType = typeof nextType === "object" && nextType !== null ? nextType.$$typeof : null; switch(fiber.tag){ case ClassComponent: if (typeof nextType === "function") needsCompareFamilies = true; break; case FunctionComponent: if (typeof nextType === "function") needsCompareFamilies = true; else if ($$typeofNextType === REACT_LAZY_TYPE) // We don't know the inner type yet. // We're going to assume that the lazy inner type is stable, // and so it is sufficient to avoid reconciling it away. // We're not going to unwrap or actually use the new lazy type. needsCompareFamilies = true; break; case ForwardRef: if ($$typeofNextType === REACT_FORWARD_REF_TYPE) needsCompareFamilies = true; else if ($$typeofNextType === REACT_LAZY_TYPE) needsCompareFamilies = true; break; case MemoComponent: case SimpleMemoComponent: if ($$typeofNextType === REACT_MEMO_TYPE) // TODO: if it was but can no longer be simple, // we shouldn't set this. needsCompareFamilies = true; else if ($$typeofNextType === REACT_LAZY_TYPE) needsCompareFamilies = true; break; default: return false; } // Check if both types have a family and it's the same one. if (needsCompareFamilies) { // Note: memo() and forwardRef() we'll compare outer rather than inner type. // This means both of them need to be registered to preserve state. // If we unwrapped and compared the inner types for wrappers instead, // then we would risk falsely saying two separate memo(Foo) // calls are equivalent because they wrap the same Foo function. var prevFamily = resolveFamily(prevType); if (prevFamily !== undefined && prevFamily === resolveFamily(nextType)) return true; } return false; } function markFailedErrorBoundaryForHotReloading(fiber) { if (resolveFamily === null) // Hot reloading is disabled. return; if (typeof WeakSet !== "function") return; if (failedBoundaries === null) failedBoundaries = new WeakSet(); failedBoundaries.add(fiber); } var scheduleRefresh = function(root, update) { if (resolveFamily === null) // Hot reloading is disabled. return; var staleFamilies = update.staleFamilies, updatedFamilies = update.updatedFamilies; flushPassiveEffects(); flushSync(function() { scheduleFibersWithFamiliesRecursively(root.current, updatedFamilies, staleFamilies); }); }; var scheduleRoot = function(root, element) { if (root.context !== emptyContextObject) // Super edge case: root has a legacy _renderSubtree context // but we don't know the parentComponent so we can't pass it. // Just ignore. We'll delete this with _renderSubtree code path later. return; flushPassiveEffects(); flushSync(function() { updateContainer(element, root, null, null); }); }; function scheduleFibersWithFamiliesRecursively(fiber, updatedFamilies, staleFamilies) { var alternate = fiber.alternate, child = fiber.child, sibling = fiber.sibling, tag = fiber.tag, type = fiber.type; var candidateType = null; switch(tag){ case FunctionComponent: case SimpleMemoComponent: case ClassComponent: candidateType = type; break; case ForwardRef: candidateType = type.render; break; } if (resolveFamily === null) throw new Error("Expected resolveFamily to be set during hot reload."); var needsRender = false; var needsRemount = false; if (candidateType !== null) { var family = resolveFamily(candidateType); if (family !== undefined) { if (staleFamilies.has(family)) needsRemount = true; else if (updatedFamilies.has(family)) { if (tag === ClassComponent) needsRemount = true; else needsRender = true; } } } if (failedBoundaries !== null) { if (failedBoundaries.has(fiber) || alternate !== null && failedBoundaries.has(alternate)) needsRemount = true; } if (needsRemount) fiber._debugNeedsRemount = true; if (needsRemount || needsRender) { var _root = enqueueConcurrentRenderForLane(fiber, SyncLane); if (_root !== null) scheduleUpdateOnFiber(_root, fiber, SyncLane, NoTimestamp); } if (child !== null && !needsRemount) scheduleFibersWithFamiliesRecursively(child, updatedFamilies, staleFamilies); if (sibling !== null) scheduleFibersWithFamiliesRecursively(sibling, updatedFamilies, staleFamilies); } var findHostInstancesForRefresh = function(root, families) { var hostInstances = new Set(); var types = new Set(families.map(function(family) { return family.current; })); findHostInstancesForMatchingFibersRecursively(root.current, types, hostInstances); return hostInstances; }; function findHostInstancesForMatchingFibersRecursively(fiber, types, hostInstances) { var child = fiber.child, sibling = fiber.sibling, tag = fiber.tag, type = fiber.type; var candidateType = null; switch(tag){ case FunctionComponent: case SimpleMemoComponent: case ClassComponent: candidateType = type; break; case ForwardRef: candidateType = type.render; break; } var didMatch = false; if (candidateType !== null) { if (types.has(candidateType)) didMatch = true; } if (didMatch) // We have a match. This only drills down to the closest host components. // There's no need to search deeper because for the purpose of giving // visual feedback, "flashing" outermost parent rectangles is sufficient. findHostInstancesForFiberShallowly(fiber, hostInstances); else // If there's no match, maybe there will be one further down in the child tree. if (child !== null) findHostInstancesForMatchingFibersRecursively(child, types, hostInstances); if (sibling !== null) findHostInstancesForMatchingFibersRecursively(sibling, types, hostInstances); } function findHostInstancesForFiberShallowly(fiber, hostInstances) { var foundHostInstances = findChildHostInstancesForFiberShallowly(fiber, hostInstances); if (foundHostInstances) return; // If we didn't find any host children, fallback to closest host parent. var node = fiber; while(true){ switch(node.tag){ case HostComponent: hostInstances.add(node.stateNode); return; case HostPortal: hostInstances.add(node.stateNode.containerInfo); return; case HostRoot: hostInstances.add(node.stateNode.containerInfo); return; } if (node.return === null) throw new Error("Expected to reach root first."); node = node.return; } } function findChildHostInstancesForFiberShallowly(fiber, hostInstances) { var node = fiber; var foundHostInstances = false; while(true){ if (node.tag === HostComponent) { // We got a match. foundHostInstances = true; hostInstances.add(node.stateNode); // There may still be more, so keep searching. } else if (node.child !== null) { node.child.return = node; node = node.child; continue; } if (node === fiber) return foundHostInstances; while(node.sibling === null){ if (node.return === null || node.return === fiber) return foundHostInstances; node = node.return; } node.sibling.return = node.return; node = node.sibling; } return false; } var hasBadMapPolyfill; hasBadMapPolyfill = false; try { var nonExtensibleObject = Object.preventExtensions({}); /* eslint-disable no-new */ new Map([ [ nonExtensibleObject, null ] ]); new Set([ nonExtensibleObject ]); /* eslint-enable no-new */ } catch (e) { // TODO: Consider warning about bad polyfills hasBadMapPolyfill = true; } function FiberNode(tag, pendingProps, key, mode) { // Instance this.tag = tag; this.key = key; this.elementType = null; this.type = null; this.stateNode = null; // Fiber this.return = null; this.child = null; this.sibling = null; this.index = 0; this.ref = null; this.pendingProps = pendingProps; this.memoizedProps = null; this.updateQueue = null; this.memoizedState = null; this.dependencies = null; this.mode = mode; // Effects this.flags = NoFlags; this.subtreeFlags = NoFlags; this.deletions = null; this.lanes = NoLanes; this.childLanes = NoLanes; this.alternate = null; // Note: The following is done to avoid a v8 performance cliff. // // Initializing the fields below to smis and later updating them with // double values will cause Fibers to end up having separate shapes. // This behavior/bug has something to do with Object.preventExtension(). // Fortunately this only impacts DEV builds. // Unfortunately it makes React unusably slow for some applications. // To work around this, initialize the fields below with doubles. // // Learn more about this here: // https://github.com/facebook/react/issues/14365 // https://bugs.chromium.org/p/v8/issues/detail?id=8538 this.actualDuration = Number.NaN; this.actualStartTime = Number.NaN; this.selfBaseDuration = Number.NaN; this.treeBaseDuration = Number.NaN; // It's okay to replace the initial doubles with smis after initialization. // This won't trigger the performance cliff mentioned above, // and it simplifies other profiler code (including DevTools). this.actualDuration = 0; this.actualStartTime = -1; this.selfBaseDuration = 0; this.treeBaseDuration = 0; // This isn't directly used but is handy for debugging internals: this._debugSource = null; this._debugOwner = null; this._debugNeedsRemount = false; this._debugHookTypes = null; if (!hasBadMapPolyfill && typeof Object.preventExtensions === "function") Object.preventExtensions(this); } // This is a constructor function, rather than a POJO constructor, still // please ensure we do the following: // 1) Nobody should add any instance methods on this. Instance methods can be // more difficult to predict when they get optimized and they are almost // never inlined properly in static compilers. // 2) Nobody should rely on `instanceof Fiber` for type testing. We should // always know when it is a fiber. // 3) We might want to experiment with using numeric keys since they are easier // to optimize in a non-JIT environment. // 4) We can easily go from a constructor to a createFiber object literal if that // is faster. // 5) It should be easy to port this to a C struct and keep a C implementation // compatible. var createFiber = function(tag, pendingProps, key, mode) { // $FlowFixMe: the shapes are exact here but Flow doesn't like constructors return new FiberNode(tag, pendingProps, key, mode); }; function shouldConstruct$1(Component) { var prototype = Component.prototype; return !!(prototype && prototype.isReactComponent); } function isSimpleFunctionComponent(type) { return typeof type === "function" && !shouldConstruct$1(type) && type.defaultProps === undefined; } function resolveLazyComponentTag(Component) { if (typeof Component === "function") return shouldConstruct$1(Component) ? ClassComponent : FunctionComponent; else if (Component !== undefined && Component !== null) { var $$typeof = Component.$$typeof; if ($$typeof === REACT_FORWARD_REF_TYPE) return ForwardRef; if ($$typeof === REACT_MEMO_TYPE) return MemoComponent; } return IndeterminateComponent; } // This is used to create an alternate fiber to do work on. function createWorkInProgress(current, pendingProps) { var workInProgress = current.alternate; if (workInProgress === null) { // We use a double buffering pooling technique because we know that we'll // only ever need at most two versions of a tree. We pool the "other" unused // node that we're free to reuse. This is lazily created to avoid allocating // extra objects for things that are never updated. It also allow us to // reclaim the extra memory if needed. workInProgress = createFiber(current.tag, pendingProps, current.key, current.mode); workInProgress.elementType = current.elementType; workInProgress.type = current.type; workInProgress.stateNode = current.stateNode; // DEV-only fields workInProgress._debugSource = current._debugSource; workInProgress._debugOwner = current._debugOwner; workInProgress._debugHookTypes = current._debugHookTypes; workInProgress.alternate = current; current.alternate = workInProgress; } else { workInProgress.pendingProps = pendingProps; // Needed because Blocks store data on type. workInProgress.type = current.type; // We already have an alternate. // Reset the effect tag. workInProgress.flags = NoFlags; // The effects are no longer valid. workInProgress.subtreeFlags = NoFlags; workInProgress.deletions = null; // We intentionally reset, rather than copy, actualDuration & actualStartTime. // This prevents time from endlessly accumulating in new commits. // This has the downside of resetting values for different priority renders, // But works for yielding (the common case) and should support resuming. workInProgress.actualDuration = 0; workInProgress.actualStartTime = -1; } // Reset all effects except static ones. // Static effects are not specific to a render. workInProgress.flags = current.flags & StaticMask; workInProgress.childLanes = current.childLanes; workInProgress.lanes = current.lanes; workInProgress.child = current.child; workInProgress.memoizedProps = current.memoizedProps; workInProgress.memoizedState = current.memoizedState; workInProgress.updateQueue = current.updateQueue; // Clone the dependencies object. This is mutated during the render phase, so // it cannot be shared with the current fiber. var currentDependencies = current.dependencies; workInProgress.dependencies = currentDependencies === null ? null : { lanes: currentDependencies.lanes, firstContext: currentDependencies.firstContext }; // These will be overridden during the parent's reconciliation workInProgress.sibling = current.sibling; workInProgress.index = current.index; workInProgress.ref = current.ref; workInProgress.selfBaseDuration = current.selfBaseDuration; workInProgress.treeBaseDuration = current.treeBaseDuration; workInProgress._debugNeedsRemount = current._debugNeedsRemount; switch(workInProgress.tag){ case IndeterminateComponent: case FunctionComponent: case SimpleMemoComponent: workInProgress.type = resolveFunctionForHotReloading(current.type); break; case ClassComponent: workInProgress.type = resolveClassForHotReloading(current.type); break; case ForwardRef: workInProgress.type = resolveForwardRefForHotReloading(current.type); break; } return workInProgress; } // Used to reuse a Fiber for a second pass. function resetWorkInProgress(workInProgress, renderLanes) { // This resets the Fiber to what createFiber or createWorkInProgress would // have set the values to before during the first pass. Ideally this wouldn't // be necessary but unfortunately many code paths reads from the workInProgress // when they should be reading from current and writing to workInProgress. // We assume pendingProps, index, key, ref, return are still untouched to // avoid doing another reconciliation. // Reset the effect flags but keep any Placement tags, since that's something // that child fiber is setting, not the reconciliation. workInProgress.flags &= StaticMask | Placement; // The effects are no longer valid. var current = workInProgress.alternate; if (current === null) { // Reset to createFiber's initial values. workInProgress.childLanes = NoLanes; workInProgress.lanes = renderLanes; workInProgress.child = null; workInProgress.subtreeFlags = NoFlags; workInProgress.memoizedProps = null; workInProgress.memoizedState = null; workInProgress.updateQueue = null; workInProgress.dependencies = null; workInProgress.stateNode = null; // Note: We don't reset the actualTime counts. It's useful to accumulate // actual time across multiple render passes. workInProgress.selfBaseDuration = 0; workInProgress.treeBaseDuration = 0; } else { // Reset to the cloned values that createWorkInProgress would've. workInProgress.childLanes = current.childLanes; workInProgress.lanes = current.lanes; workInProgress.child = current.child; workInProgress.subtreeFlags = NoFlags; workInProgress.deletions = null; workInProgress.memoizedProps = current.memoizedProps; workInProgress.memoizedState = current.memoizedState; workInProgress.updateQueue = current.updateQueue; // Needed because Blocks store data on type. workInProgress.type = current.type; // Clone the dependencies object. This is mutated during the render phase, so // it cannot be shared with the current fiber. var currentDependencies = current.dependencies; workInProgress.dependencies = currentDependencies === null ? null : { lanes: currentDependencies.lanes, firstContext: currentDependencies.firstContext }; // Note: We don't reset the actualTime counts. It's useful to accumulate // actual time across multiple render passes. workInProgress.selfBaseDuration = current.selfBaseDuration; workInProgress.treeBaseDuration = current.treeBaseDuration; } return workInProgress; } function createHostRootFiber(tag, isStrictMode, concurrentUpdatesByDefaultOverride) { var mode; if (tag === ConcurrentRoot) { mode = ConcurrentMode; if (isStrictMode === true) { mode |= StrictLegacyMode; mode |= StrictEffectsMode; } } else mode = NoMode; if (isDevToolsPresent) // Always collect profile timings when DevTools are present. // This enables DevTools to start capturing timing at any point– // Without some nodes in the tree having empty base times. mode |= ProfileMode; return createFiber(HostRoot, null, null, mode); } function createFiberFromTypeAndProps(type, key, pendingProps, owner, mode, lanes) { var fiberTag = IndeterminateComponent; // The resolved type is set if we know what the final type will be. I.e. it's not lazy. var resolvedType = type; if (typeof type === "function") { if (shouldConstruct$1(type)) { fiberTag = ClassComponent; resolvedType = resolveClassForHotReloading(resolvedType); } else resolvedType = resolveFunctionForHotReloading(resolvedType); } else if (typeof type === "string") fiberTag = HostComponent; else getTag: switch(type){ case REACT_FRAGMENT_TYPE: return createFiberFromFragment(pendingProps.children, mode, lanes, key); case REACT_STRICT_MODE_TYPE: fiberTag = Mode; mode |= StrictLegacyMode; if ((mode & ConcurrentMode) !== NoMode) // Strict effects should never run on legacy roots mode |= StrictEffectsMode; break; case REACT_PROFILER_TYPE: return createFiberFromProfiler(pendingProps, mode, lanes, key); case REACT_SUSPENSE_TYPE: return createFiberFromSuspense(pendingProps, mode, lanes, key); case REACT_SUSPENSE_LIST_TYPE: return createFiberFromSuspenseList(pendingProps, mode, lanes, key); case REACT_OFFSCREEN_TYPE: return createFiberFromOffscreen(pendingProps, mode, lanes, key); case REACT_LEGACY_HIDDEN_TYPE: // eslint-disable-next-line no-fallthrough case REACT_SCOPE_TYPE: // eslint-disable-next-line no-fallthrough case REACT_CACHE_TYPE: // eslint-disable-next-line no-fallthrough case REACT_TRACING_MARKER_TYPE: // eslint-disable-next-line no-fallthrough case REACT_DEBUG_TRACING_MODE_TYPE: // eslint-disable-next-line no-fallthrough default: if (typeof type === "object" && type !== null) switch(type.$$typeof){ case REACT_PROVIDER_TYPE: fiberTag = ContextProvider; break getTag; case REACT_CONTEXT_TYPE: // This is a consumer fiberTag = ContextConsumer; break getTag; case REACT_FORWARD_REF_TYPE: fiberTag = ForwardRef; resolvedType = resolveForwardRefForHotReloading(resolvedType); break getTag; case REACT_MEMO_TYPE: fiberTag = MemoComponent; break getTag; case REACT_LAZY_TYPE: fiberTag = LazyComponent; resolvedType = null; break getTag; } var info = ""; if (type === undefined || typeof type === "object" && type !== null && Object.keys(type).length === 0) info += " You likely forgot to export your component from the file it's defined in, or you might have mixed up default and named imports."; var ownerName = owner ? getComponentNameFromFiber(owner) : null; if (ownerName) info += "\n\nCheck the render method of `" + ownerName + "`."; throw new Error("Element type is invalid: expected a string (for built-in components) or a class/function (for composite components) " + ("but got: " + (type == null ? type : typeof type) + "." + info)); } var fiber = createFiber(fiberTag, pendingProps, key, mode); fiber.elementType = type; fiber.type = resolvedType; fiber.lanes = lanes; fiber._debugOwner = owner; return fiber; } function createFiberFromElement(element, mode, lanes) { var owner = null; owner = element._owner; var type = element.type; var key = element.key; var pendingProps = element.props; var fiber = createFiberFromTypeAndProps(type, key, pendingProps, owner, mode, lanes); fiber._debugSource = element._source; fiber._debugOwner = element._owner; return fiber; } function createFiberFromFragment(elements, mode, lanes, key) { var fiber = createFiber(Fragment, elements, key, mode); fiber.lanes = lanes; return fiber; } function createFiberFromProfiler(pendingProps, mode, lanes, key) { if (typeof pendingProps.id !== "string") error('Profiler must specify an "id" of type `string` as a prop. Received the type `%s` instead.', typeof pendingProps.id); var fiber = createFiber(Profiler, pendingProps, key, mode | ProfileMode); fiber.elementType = REACT_PROFILER_TYPE; fiber.lanes = lanes; fiber.stateNode = { effectDuration: 0, passiveEffectDuration: 0 }; return fiber; } function createFiberFromSuspense(pendingProps, mode, lanes, key) { var fiber = createFiber(SuspenseComponent, pendingProps, key, mode); fiber.elementType = REACT_SUSPENSE_TYPE; fiber.lanes = lanes; return fiber; } function createFiberFromSuspenseList(pendingProps, mode, lanes, key) { var fiber = createFiber(SuspenseListComponent, pendingProps, key, mode); fiber.elementType = REACT_SUSPENSE_LIST_TYPE; fiber.lanes = lanes; return fiber; } function createFiberFromOffscreen(pendingProps, mode, lanes, key) { var fiber = createFiber(OffscreenComponent, pendingProps, key, mode); fiber.elementType = REACT_OFFSCREEN_TYPE; fiber.lanes = lanes; var primaryChildInstance = { isHidden: false }; fiber.stateNode = primaryChildInstance; return fiber; } function createFiberFromText(content, mode, lanes) { var fiber = createFiber(HostText, content, null, mode); fiber.lanes = lanes; return fiber; } function createFiberFromHostInstanceForDeletion() { var fiber = createFiber(HostComponent, null, null, NoMode); fiber.elementType = "DELETED"; return fiber; } function createFiberFromDehydratedFragment(dehydratedNode) { var fiber = createFiber(DehydratedFragment, null, null, NoMode); fiber.stateNode = dehydratedNode; return fiber; } function createFiberFromPortal(portal, mode, lanes) { var pendingProps = portal.children !== null ? portal.children : []; var fiber = createFiber(HostPortal, pendingProps, portal.key, mode); fiber.lanes = lanes; fiber.stateNode = { containerInfo: portal.containerInfo, pendingChildren: null, // Used by persistent updates implementation: portal.implementation }; return fiber; } // Used for stashing WIP properties to replay failed work in DEV. function assignFiberPropertiesInDEV(target, source) { if (target === null) // This Fiber's initial properties will always be overwritten. // We only use a Fiber to ensure the same hidden class so DEV isn't slow. target = createFiber(IndeterminateComponent, null, null, NoMode); // This is intentionally written as a list of all properties. // We tried to use Object.assign() instead but this is called in // the hottest path, and Object.assign() was too slow: // https://github.com/facebook/react/issues/12502 // This code is DEV-only so size is not a concern. target.tag = source.tag; target.key = source.key; target.elementType = source.elementType; target.type = source.type; target.stateNode = source.stateNode; target.return = source.return; target.child = source.child; target.sibling = source.sibling; target.index = source.index; target.ref = source.ref; target.pendingProps = source.pendingProps; target.memoizedProps = source.memoizedProps; target.updateQueue = source.updateQueue; target.memoizedState = source.memoizedState; target.dependencies = source.dependencies; target.mode = source.mode; target.flags = source.flags; target.subtreeFlags = source.subtreeFlags; target.deletions = source.deletions; target.lanes = source.lanes; target.childLanes = source.childLanes; target.alternate = source.alternate; target.actualDuration = source.actualDuration; target.actualStartTime = source.actualStartTime; target.selfBaseDuration = source.selfBaseDuration; target.treeBaseDuration = source.treeBaseDuration; target._debugSource = source._debugSource; target._debugOwner = source._debugOwner; target._debugNeedsRemount = source._debugNeedsRemount; target._debugHookTypes = source._debugHookTypes; return target; } function FiberRootNode(containerInfo, tag, hydrate, identifierPrefix, onRecoverableError) { this.tag = tag; this.containerInfo = containerInfo; this.pendingChildren = null; this.current = null; this.pingCache = null; this.finishedWork = null; this.timeoutHandle = noTimeout; this.context = null; this.pendingContext = null; this.callbackNode = null; this.callbackPriority = NoLane; this.eventTimes = createLaneMap(NoLanes); this.expirationTimes = createLaneMap(NoTimestamp); this.pendingLanes = NoLanes; this.suspendedLanes = NoLanes; this.pingedLanes = NoLanes; this.expiredLanes = NoLanes; this.mutableReadLanes = NoLanes; this.finishedLanes = NoLanes; this.entangledLanes = NoLanes; this.entanglements = createLaneMap(NoLanes); this.identifierPrefix = identifierPrefix; this.onRecoverableError = onRecoverableError; this.mutableSourceEagerHydrationData = null; this.effectDuration = 0; this.passiveEffectDuration = 0; this.memoizedUpdaters = new Set(); var pendingUpdatersLaneMap = this.pendingUpdatersLaneMap = []; for(var _i = 0; _i < TotalLanes; _i++)pendingUpdatersLaneMap.push(new Set()); switch(tag){ case ConcurrentRoot: this._debugRootType = hydrate ? "hydrateRoot()" : "createRoot()"; break; case LegacyRoot: this._debugRootType = hydrate ? "hydrate()" : "render()"; break; } } function createFiberRoot(containerInfo, tag, hydrate, initialChildren, hydrationCallbacks, isStrictMode, concurrentUpdatesByDefaultOverride, // host config, but because they are passed in at runtime, we have to thread // them through the root constructor. Perhaps we should put them all into a // single type, like a DynamicHostConfig that is defined by the renderer. identifierPrefix, onRecoverableError, transitionCallbacks) { var root = new FiberRootNode(containerInfo, tag, hydrate, identifierPrefix, onRecoverableError); // stateNode is any. var uninitializedFiber = createHostRootFiber(tag, isStrictMode); root.current = uninitializedFiber; uninitializedFiber.stateNode = root; var _initialState = { element: initialChildren, isDehydrated: hydrate, cache: null, // not enabled yet transitions: null, pendingSuspenseBoundaries: null }; uninitializedFiber.memoizedState = _initialState; initializeUpdateQueue(uninitializedFiber); return root; } var ReactVersion = "18.2.0"; function createPortal(children, containerInfo, implementation) { var key = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : null; checkKeyStringCoercion(key); return { // This tag allow us to uniquely identify this as a React Portal $$typeof: REACT_PORTAL_TYPE, key: key == null ? null : "" + key, children: children, containerInfo: containerInfo, implementation: implementation }; } var didWarnAboutNestedUpdates; var didWarnAboutFindNodeInStrictMode; didWarnAboutNestedUpdates = false; didWarnAboutFindNodeInStrictMode = {}; function getContextForSubtree(parentComponent) { if (!parentComponent) return emptyContextObject; var fiber = get(parentComponent); var parentContext = findCurrentUnmaskedContext(fiber); if (fiber.tag === ClassComponent) { var Component = fiber.type; if (isContextProvider(Component)) return processChildContext(fiber, Component, parentContext); } return parentContext; } function findHostInstanceWithWarning(component, methodName) { var fiber = get(component); if (fiber === undefined) { if (typeof component.render === "function") throw new Error("Unable to find node on an unmounted component."); else { var keys = Object.keys(component).join(","); throw new Error("Argument appears to not be a ReactComponent. Keys: " + keys); } } var hostFiber = findCurrentHostFiber(fiber); if (hostFiber === null) return null; if (hostFiber.mode & StrictLegacyMode) { var componentName = getComponentNameFromFiber(fiber) || "Component"; if (!didWarnAboutFindNodeInStrictMode[componentName]) { didWarnAboutFindNodeInStrictMode[componentName] = true; var previousFiber = current; try { setCurrentFiber(hostFiber); if (fiber.mode & StrictLegacyMode) error("%s is deprecated in StrictMode. %s was passed an instance of %s which is inside StrictMode. Instead, add a ref directly to the element you want to reference. Learn more about using refs safely here: https://reactjs.org/link/strict-mode-find-node", methodName, methodName, componentName); else error("%s is deprecated in StrictMode. %s was passed an instance of %s which renders StrictMode children. Instead, add a ref directly to the element you want to reference. Learn more about using refs safely here: https://reactjs.org/link/strict-mode-find-node", methodName, methodName, componentName); } finally{ // Ideally this should reset to previous but this shouldn't be called in // render and there's another warning for that anyway. if (previousFiber) setCurrentFiber(previousFiber); else resetCurrentFiber(); } } } return hostFiber.stateNode; } function createContainer(containerInfo, tag, hydrationCallbacks, isStrictMode, concurrentUpdatesByDefaultOverride, identifierPrefix, onRecoverableError, transitionCallbacks) { var hydrate = false; var initialChildren = null; return createFiberRoot(containerInfo, tag, hydrate, initialChildren, hydrationCallbacks, isStrictMode, concurrentUpdatesByDefaultOverride, identifierPrefix, onRecoverableError); } function createHydrationContainer(initialChildren, callback, containerInfo, tag, hydrationCallbacks, isStrictMode, concurrentUpdatesByDefaultOverride, identifierPrefix, onRecoverableError, transitionCallbacks) { var hydrate = true; var root = createFiberRoot(containerInfo, tag, hydrate, initialChildren, hydrationCallbacks, isStrictMode, concurrentUpdatesByDefaultOverride, identifierPrefix, onRecoverableError); // TODO: Move this to FiberRoot constructor root.context = getContextForSubtree(null); // Schedule the initial render. In a hydration root, this is different from // a regular update because the initial render must match was was rendered // on the server. // NOTE: This update intentionally doesn't have a payload. We're only using // the update to schedule work on the root fiber (and, for legacy roots, to // enqueue the callback if one is provided). var current = root.current; var eventTime = requestEventTime(); var lane = requestUpdateLane(current); var update = createUpdate(eventTime, lane); update.callback = callback !== undefined && callback !== null ? callback : null; enqueueUpdate(current, update, lane); scheduleInitialHydrationOnRoot(root, lane, eventTime); return root; } function updateContainer(element, container, parentComponent, callback) { onScheduleRoot(container, element); var current$1 = container.current; var eventTime = requestEventTime(); var lane = requestUpdateLane(current$1); markRenderScheduled(lane); var context = getContextForSubtree(parentComponent); if (container.context === null) container.context = context; else container.pendingContext = context; if (isRendering && current !== null && !didWarnAboutNestedUpdates) { didWarnAboutNestedUpdates = true; error("Render methods should be a pure function of props and state; triggering nested component updates from render is not allowed. If necessary, trigger nested updates in componentDidUpdate.\n\nCheck the render method of %s.", getComponentNameFromFiber(current) || "Unknown"); } var update = createUpdate(eventTime, lane); // Caution: React DevTools currently depends on this property // being called "element". update.payload = { element: element }; callback = callback === undefined ? null : callback; if (callback !== null) { if (typeof callback !== "function") error("render(...): Expected the last optional `callback` argument to be a function. Instead received: %s.", callback); update.callback = callback; } var root = enqueueUpdate(current$1, update, lane); if (root !== null) { scheduleUpdateOnFiber(root, current$1, lane, eventTime); entangleTransitions(root, current$1, lane); } return lane; } function getPublicRootInstance(container) { var containerFiber = container.current; if (!containerFiber.child) return null; switch(containerFiber.child.tag){ case HostComponent: return getPublicInstance(containerFiber.child.stateNode); default: return containerFiber.child.stateNode; } } function attemptSynchronousHydration$1(fiber) { switch(fiber.tag){ case HostRoot: var root = fiber.stateNode; if (isRootDehydrated(root)) { // Flush the first scheduled "update". var lanes = getHighestPriorityPendingLanes(root); flushRoot(root, lanes); } break; case SuspenseComponent: flushSync(function() { var root = enqueueConcurrentRenderForLane(fiber, SyncLane); if (root !== null) { var eventTime = requestEventTime(); scheduleUpdateOnFiber(root, fiber, SyncLane, eventTime); } }); // If we're still blocked after this, we need to increase // the priority of any promises resolving within this // boundary so that they next attempt also has higher pri. var retryLane = SyncLane; markRetryLaneIfNotHydrated(fiber, retryLane); break; } } function markRetryLaneImpl(fiber, retryLane) { var suspenseState = fiber.memoizedState; if (suspenseState !== null && suspenseState.dehydrated !== null) suspenseState.retryLane = higherPriorityLane(suspenseState.retryLane, retryLane); } // Increases the priority of thenables when they resolve within this boundary. function markRetryLaneIfNotHydrated(fiber, retryLane) { markRetryLaneImpl(fiber, retryLane); var alternate = fiber.alternate; if (alternate) markRetryLaneImpl(alternate, retryLane); } function attemptContinuousHydration$1(fiber) { if (fiber.tag !== SuspenseComponent) // We ignore HostRoots here because we can't increase // their priority and they should not suspend on I/O, // since you have to wrap anything that might suspend in // Suspense. return; var lane = SelectiveHydrationLane; var root = enqueueConcurrentRenderForLane(fiber, lane); if (root !== null) { var eventTime = requestEventTime(); scheduleUpdateOnFiber(root, fiber, lane, eventTime); } markRetryLaneIfNotHydrated(fiber, lane); } function attemptHydrationAtCurrentPriority$1(fiber) { if (fiber.tag !== SuspenseComponent) // We ignore HostRoots here because we can't increase // their priority other than synchronously flush it. return; var lane = requestUpdateLane(fiber); var root = enqueueConcurrentRenderForLane(fiber, lane); if (root !== null) { var eventTime = requestEventTime(); scheduleUpdateOnFiber(root, fiber, lane, eventTime); } markRetryLaneIfNotHydrated(fiber, lane); } function findHostInstanceWithNoPortals(fiber) { var hostFiber = findCurrentHostFiberWithNoPortals(fiber); if (hostFiber === null) return null; return hostFiber.stateNode; } var shouldErrorImpl = function(fiber) { return null; }; function shouldError(fiber) { return shouldErrorImpl(fiber); } var shouldSuspendImpl = function(fiber) { return false; }; function shouldSuspend(fiber) { return shouldSuspendImpl(fiber); } var overrideHookState = null; var overrideHookStateDeletePath = null; var overrideHookStateRenamePath = null; var overrideProps = null; var overridePropsDeletePath = null; var overridePropsRenamePath = null; var scheduleUpdate = null; var setErrorHandler = null; var setSuspenseHandler = null; var copyWithDeleteImpl = function(obj, path, index) { var key = path[index]; var updated = isArray(obj) ? obj.slice() : assign({}, obj); if (index + 1 === path.length) { if (isArray(updated)) updated.splice(key, 1); else delete updated[key]; return updated; } // $FlowFixMe number or string is fine here updated[key] = copyWithDeleteImpl(obj[key], path, index + 1); return updated; }; var copyWithDelete = function(obj, path) { return copyWithDeleteImpl(obj, path, 0); }; var copyWithRenameImpl = function(obj, oldPath, newPath, index) { var oldKey = oldPath[index]; var updated = isArray(obj) ? obj.slice() : assign({}, obj); if (index + 1 === oldPath.length) { var newKey = newPath[index]; // $FlowFixMe number or string is fine here updated[newKey] = updated[oldKey]; if (isArray(updated)) updated.splice(oldKey, 1); else delete updated[oldKey]; } else // $FlowFixMe number or string is fine here updated[oldKey] = copyWithRenameImpl(obj[oldKey], oldPath, newPath, index + 1); return updated; }; var copyWithRename = function(obj, oldPath, newPath) { if (oldPath.length !== newPath.length) { warn("copyWithRename() expects paths of the same length"); return; } else { for(var i = 0; i < newPath.length - 1; i++)if (oldPath[i] !== newPath[i]) { warn("copyWithRename() expects paths to be the same except for the deepest key"); return; } } return copyWithRenameImpl(obj, oldPath, newPath, 0); }; var copyWithSetImpl = function(obj, path, index, value) { if (index >= path.length) return value; var key = path[index]; var updated = isArray(obj) ? obj.slice() : assign({}, obj); // $FlowFixMe number or string is fine here updated[key] = copyWithSetImpl(obj[key], path, index + 1, value); return updated; }; var copyWithSet = function(obj, path, value) { return copyWithSetImpl(obj, path, 0, value); }; var findHook = function(fiber, id) { // For now, the "id" of stateful hooks is just the stateful hook index. // This may change in the future with e.g. nested hooks. var currentHook = fiber.memoizedState; while(currentHook !== null && id > 0){ currentHook = currentHook.next; id--; } return currentHook; }; // Support DevTools editable values for useState and useReducer. overrideHookState = function(fiber, id, path, value) { var hook = findHook(fiber, id); if (hook !== null) { var newState = copyWithSet(hook.memoizedState, path, value); hook.memoizedState = newState; hook.baseState = newState; // We aren't actually adding an update to the queue, // because there is no update we can add for useReducer hooks that won't trigger an error. // (There's no appropriate action type for DevTools overrides.) // As a result though, React will see the scheduled update as a noop and bailout. // Shallow cloning props works as a workaround for now to bypass the bailout check. fiber.memoizedProps = assign({}, fiber.memoizedProps); var root = enqueueConcurrentRenderForLane(fiber, SyncLane); if (root !== null) scheduleUpdateOnFiber(root, fiber, SyncLane, NoTimestamp); } }; overrideHookStateDeletePath = function(fiber, id, path) { var hook = findHook(fiber, id); if (hook !== null) { var newState = copyWithDelete(hook.memoizedState, path); hook.memoizedState = newState; hook.baseState = newState; // We aren't actually adding an update to the queue, // because there is no update we can add for useReducer hooks that won't trigger an error. // (There's no appropriate action type for DevTools overrides.) // As a result though, React will see the scheduled update as a noop and bailout. // Shallow cloning props works as a workaround for now to bypass the bailout check. fiber.memoizedProps = assign({}, fiber.memoizedProps); var root = enqueueConcurrentRenderForLane(fiber, SyncLane); if (root !== null) scheduleUpdateOnFiber(root, fiber, SyncLane, NoTimestamp); } }; overrideHookStateRenamePath = function(fiber, id, oldPath, newPath) { var hook = findHook(fiber, id); if (hook !== null) { var newState = copyWithRename(hook.memoizedState, oldPath, newPath); hook.memoizedState = newState; hook.baseState = newState; // We aren't actually adding an update to the queue, // because there is no update we can add for useReducer hooks that won't trigger an error. // (There's no appropriate action type for DevTools overrides.) // As a result though, React will see the scheduled update as a noop and bailout. // Shallow cloning props works as a workaround for now to bypass the bailout check. fiber.memoizedProps = assign({}, fiber.memoizedProps); var root = enqueueConcurrentRenderForLane(fiber, SyncLane); if (root !== null) scheduleUpdateOnFiber(root, fiber, SyncLane, NoTimestamp); } }; // Support DevTools props for function components, forwardRef, memo, host components, etc. overrideProps = function(fiber, path, value) { fiber.pendingProps = copyWithSet(fiber.memoizedProps, path, value); if (fiber.alternate) fiber.alternate.pendingProps = fiber.pendingProps; var root = enqueueConcurrentRenderForLane(fiber, SyncLane); if (root !== null) scheduleUpdateOnFiber(root, fiber, SyncLane, NoTimestamp); }; overridePropsDeletePath = function(fiber, path) { fiber.pendingProps = copyWithDelete(fiber.memoizedProps, path); if (fiber.alternate) fiber.alternate.pendingProps = fiber.pendingProps; var root = enqueueConcurrentRenderForLane(fiber, SyncLane); if (root !== null) scheduleUpdateOnFiber(root, fiber, SyncLane, NoTimestamp); }; overridePropsRenamePath = function(fiber, oldPath, newPath) { fiber.pendingProps = copyWithRename(fiber.memoizedProps, oldPath, newPath); if (fiber.alternate) fiber.alternate.pendingProps = fiber.pendingProps; var root = enqueueConcurrentRenderForLane(fiber, SyncLane); if (root !== null) scheduleUpdateOnFiber(root, fiber, SyncLane, NoTimestamp); }; scheduleUpdate = function(fiber) { var root = enqueueConcurrentRenderForLane(fiber, SyncLane); if (root !== null) scheduleUpdateOnFiber(root, fiber, SyncLane, NoTimestamp); }; setErrorHandler = function(newShouldErrorImpl) { shouldErrorImpl = newShouldErrorImpl; }; setSuspenseHandler = function(newShouldSuspendImpl) { shouldSuspendImpl = newShouldSuspendImpl; }; function findHostInstanceByFiber(fiber) { var hostFiber = findCurrentHostFiber(fiber); if (hostFiber === null) return null; return hostFiber.stateNode; } function emptyFindFiberByHostInstance(instance) { return null; } function getCurrentFiberForDevTools() { return current; } function injectIntoDevTools(devToolsConfig) { var findFiberByHostInstance = devToolsConfig.findFiberByHostInstance; var ReactCurrentDispatcher = ReactSharedInternals.ReactCurrentDispatcher; return injectInternals({ bundleType: devToolsConfig.bundleType, version: devToolsConfig.version, rendererPackageName: devToolsConfig.rendererPackageName, rendererConfig: devToolsConfig.rendererConfig, overrideHookState: overrideHookState, overrideHookStateDeletePath: overrideHookStateDeletePath, overrideHookStateRenamePath: overrideHookStateRenamePath, overrideProps: overrideProps, overridePropsDeletePath: overridePropsDeletePath, overridePropsRenamePath: overridePropsRenamePath, setErrorHandler: setErrorHandler, setSuspenseHandler: setSuspenseHandler, scheduleUpdate: scheduleUpdate, currentDispatcherRef: ReactCurrentDispatcher, findHostInstanceByFiber: findHostInstanceByFiber, findFiberByHostInstance: findFiberByHostInstance || emptyFindFiberByHostInstance, // React Refresh findHostInstancesForRefresh: findHostInstancesForRefresh, scheduleRefresh: scheduleRefresh, scheduleRoot: scheduleRoot, setRefreshHandler: setRefreshHandler, // Enables DevTools to append owner stacks to error messages in DEV mode. getCurrentFiber: getCurrentFiberForDevTools, // Enables DevTools to detect reconciler version rather than renderer version // which may not match for third party renderers. reconcilerVersion: ReactVersion }); } /* global reportError */ var defaultOnRecoverableError = typeof reportError === "function" ? // emulating an uncaught JavaScript error. reportError : function(error) { // In older browsers and test environments, fallback to console.error. // eslint-disable-next-line react-internal/no-production-logging console["error"](error); }; function ReactDOMRoot(internalRoot) { this._internalRoot = internalRoot; } ReactDOMHydrationRoot.prototype.render = ReactDOMRoot.prototype.render = function(children) { var root = this._internalRoot; if (root === null) throw new Error("Cannot update an unmounted root."); if (typeof arguments[1] === "function") error("render(...): does not support the second callback argument. To execute a side effect after rendering, declare it in a component body with useEffect()."); else if (isValidContainer(arguments[1])) error("You passed a container to the second argument of root.render(...). You don't need to pass it again since you already passed it to create the root."); else if (typeof arguments[1] !== "undefined") error("You passed a second argument to root.render(...) but it only accepts one argument."); var container = root.containerInfo; if (container.nodeType !== COMMENT_NODE) { var hostInstance = findHostInstanceWithNoPortals(root.current); if (hostInstance) { if (hostInstance.parentNode !== container) error("render(...): It looks like the React-rendered content of the root container was removed without using React. This is not supported and will cause errors. Instead, call root.unmount() to empty a root's container."); } } updateContainer(children, root, null, null); }; ReactDOMHydrationRoot.prototype.unmount = ReactDOMRoot.prototype.unmount = function() { if (typeof arguments[0] === "function") error("unmount(...): does not support a callback argument. To execute a side effect after rendering, declare it in a component body with useEffect()."); var root = this._internalRoot; if (root !== null) { this._internalRoot = null; var container = root.containerInfo; if (isAlreadyRendering()) error("Attempted to synchronously unmount a root while React was already rendering. React cannot finish unmounting the root until the current render has completed, which may lead to a race condition."); flushSync(function() { updateContainer(null, root, null, null); }); unmarkContainerAsRoot(container); } }; function createRoot(container, options) { if (!isValidContainer(container)) throw new Error("createRoot(...): Target container is not a DOM element."); warnIfReactDOMContainerInDEV(container); var isStrictMode = false; var concurrentUpdatesByDefaultOverride = false; var identifierPrefix = ""; var onRecoverableError = defaultOnRecoverableError; var transitionCallbacks = null; if (options !== null && options !== undefined) { if (options.hydrate) warn("hydrate through createRoot is deprecated. Use ReactDOMClient.hydrateRoot(container, ) instead."); else if (typeof options === "object" && options !== null && options.$$typeof === REACT_ELEMENT_TYPE) error("You passed a JSX element to createRoot. You probably meant to call root.render instead. Example usage:\n\n let root = createRoot(domContainer);\n root.render();"); if (options.unstable_strictMode === true) isStrictMode = true; if (options.identifierPrefix !== undefined) identifierPrefix = options.identifierPrefix; if (options.onRecoverableError !== undefined) onRecoverableError = options.onRecoverableError; if (options.transitionCallbacks !== undefined) transitionCallbacks = options.transitionCallbacks; } var root = createContainer(container, ConcurrentRoot, null, isStrictMode, concurrentUpdatesByDefaultOverride, identifierPrefix, onRecoverableError); markContainerAsRoot(root.current, container); var rootContainerElement = container.nodeType === COMMENT_NODE ? container.parentNode : container; listenToAllSupportedEvents(rootContainerElement); return new ReactDOMRoot(root); } function ReactDOMHydrationRoot(internalRoot) { this._internalRoot = internalRoot; } function scheduleHydration(target) { if (target) queueExplicitHydrationTarget(target); } ReactDOMHydrationRoot.prototype.unstable_scheduleHydration = scheduleHydration; function hydrateRoot(container, initialChildren, options) { if (!isValidContainer(container)) throw new Error("hydrateRoot(...): Target container is not a DOM element."); warnIfReactDOMContainerInDEV(container); if (initialChildren === undefined) error("Must provide initial children as second argument to hydrateRoot. Example usage: hydrateRoot(domContainer, )"); // the hydration callbacks. var hydrationCallbacks = options != null ? options : null; // TODO: Delete this option var mutableSources = options != null && options.hydratedSources || null; var isStrictMode = false; var concurrentUpdatesByDefaultOverride = false; var identifierPrefix = ""; var onRecoverableError = defaultOnRecoverableError; if (options !== null && options !== undefined) { if (options.unstable_strictMode === true) isStrictMode = true; if (options.identifierPrefix !== undefined) identifierPrefix = options.identifierPrefix; if (options.onRecoverableError !== undefined) onRecoverableError = options.onRecoverableError; } var root = createHydrationContainer(initialChildren, null, container, ConcurrentRoot, hydrationCallbacks, isStrictMode, concurrentUpdatesByDefaultOverride, identifierPrefix, onRecoverableError); markContainerAsRoot(root.current, container); // This can't be a comment node since hydration doesn't work on comment nodes anyway. listenToAllSupportedEvents(container); if (mutableSources) for(var i = 0; i < mutableSources.length; i++){ var mutableSource = mutableSources[i]; registerMutableSourceForHydration(root, mutableSource); } return new ReactDOMHydrationRoot(root); } function isValidContainer(node) { return !!(node && (node.nodeType === ELEMENT_NODE || node.nodeType === DOCUMENT_NODE || node.nodeType === DOCUMENT_FRAGMENT_NODE || !disableCommentsAsDOMContainers)); } // TODO: Remove this function which also includes comment nodes. // We only use it in places that are currently more relaxed. function isValidContainerLegacy(node) { return !!(node && (node.nodeType === ELEMENT_NODE || node.nodeType === DOCUMENT_NODE || node.nodeType === DOCUMENT_FRAGMENT_NODE || node.nodeType === COMMENT_NODE && node.nodeValue === " react-mount-point-unstable ")); } function warnIfReactDOMContainerInDEV(container) { if (container.nodeType === ELEMENT_NODE && container.tagName && container.tagName.toUpperCase() === "BODY") error("createRoot(): Creating roots directly with document.body is discouraged, since its children are often manipulated by third-party scripts and browser extensions. This may lead to subtle reconciliation issues. Try using a container element created for your app."); if (isContainerMarkedAsRoot(container)) { if (container._reactRootContainer) error("You are calling ReactDOMClient.createRoot() on a container that was previously passed to ReactDOM.render(). This is not supported."); else error("You are calling ReactDOMClient.createRoot() on a container that has already been passed to createRoot() before. Instead, call root.render() on the existing root instead if you want to update it."); } } var ReactCurrentOwner$3 = ReactSharedInternals.ReactCurrentOwner; var topLevelUpdateWarnings; topLevelUpdateWarnings = function(container) { if (container._reactRootContainer && container.nodeType !== COMMENT_NODE) { var hostInstance = findHostInstanceWithNoPortals(container._reactRootContainer.current); if (hostInstance) { if (hostInstance.parentNode !== container) error("render(...): It looks like the React-rendered content of this container was removed without using React. This is not supported and will cause errors. Instead, call ReactDOM.unmountComponentAtNode to empty a container."); } } var isRootRenderedBySomeReact = !!container._reactRootContainer; var rootEl = getReactRootElementInContainer(container); var hasNonRootReactChild = !!(rootEl && getInstanceFromNode(rootEl)); if (hasNonRootReactChild && !isRootRenderedBySomeReact) error("render(...): Replacing React-rendered children with a new root component. If you intended to update the children of this node, you should instead have the existing children update their state and render the new components instead of calling ReactDOM.render."); if (container.nodeType === ELEMENT_NODE && container.tagName && container.tagName.toUpperCase() === "BODY") error("render(): Rendering components directly into document.body is discouraged, since its children are often manipulated by third-party scripts and browser extensions. This may lead to subtle reconciliation issues. Try rendering into a container element created for your app."); }; function getReactRootElementInContainer(container) { if (!container) return null; if (container.nodeType === DOCUMENT_NODE) return container.documentElement; else return container.firstChild; } function noopOnRecoverableError() { // legacy API. } function legacyCreateRootFromDOMContainer(container, initialChildren, parentComponent, callback, isHydrationContainer) { if (isHydrationContainer) { if (typeof callback === "function") { var originalCallback = callback; callback = function() { var instance = getPublicRootInstance(root); originalCallback.call(instance); }; } var root = createHydrationContainer(initialChildren, callback, container, LegacyRoot, null, false, false, "", noopOnRecoverableError); container._reactRootContainer = root; markContainerAsRoot(root.current, container); var rootContainerElement = container.nodeType === COMMENT_NODE ? container.parentNode : container; listenToAllSupportedEvents(rootContainerElement); flushSync(); return root; } else { // First clear any existing content. var rootSibling; while(rootSibling = container.lastChild)container.removeChild(rootSibling); if (typeof callback === "function") { var _originalCallback = callback; callback = function() { var instance = getPublicRootInstance(_root); _originalCallback.call(instance); }; } var _root = createContainer(container, LegacyRoot, null, false, false, "", noopOnRecoverableError); container._reactRootContainer = _root; markContainerAsRoot(_root.current, container); var _rootContainerElement = container.nodeType === COMMENT_NODE ? container.parentNode : container; listenToAllSupportedEvents(_rootContainerElement); // Initial mount should not be batched. flushSync(function() { updateContainer(initialChildren, _root, parentComponent, callback); }); return _root; } } function warnOnInvalidCallback$1(callback, callerName) { if (callback !== null && typeof callback !== "function") error("%s(...): Expected the last optional `callback` argument to be a function. Instead received: %s.", callerName, callback); } function legacyRenderSubtreeIntoContainer(parentComponent, children, container, forceHydrate, callback) { topLevelUpdateWarnings(container); warnOnInvalidCallback$1(callback === undefined ? null : callback, "render"); var maybeRoot = container._reactRootContainer; var root; if (!maybeRoot) // Initial mount root = legacyCreateRootFromDOMContainer(container, children, parentComponent, callback, forceHydrate); else { root = maybeRoot; if (typeof callback === "function") { var originalCallback = callback; callback = function() { var instance = getPublicRootInstance(root); originalCallback.call(instance); }; } // Update updateContainer(children, root, parentComponent, callback); } return getPublicRootInstance(root); } function findDOMNode(componentOrElement) { var owner = ReactCurrentOwner$3.current; if (owner !== null && owner.stateNode !== null) { var warnedAboutRefsInRender = owner.stateNode._warnedAboutRefsInRender; if (!warnedAboutRefsInRender) error("%s is accessing findDOMNode inside its render(). render() should be a pure function of props and state. It should never access something that requires stale data from the previous render, such as refs. Move this logic to componentDidMount and componentDidUpdate instead.", getComponentNameFromType(owner.type) || "A component"); owner.stateNode._warnedAboutRefsInRender = true; } if (componentOrElement == null) return null; if (componentOrElement.nodeType === ELEMENT_NODE) return componentOrElement; return findHostInstanceWithWarning(componentOrElement, "findDOMNode"); } function hydrate(element, container, callback) { error("ReactDOM.hydrate is no longer supported in React 18. Use hydrateRoot instead. Until you switch to the new API, your app will behave as if it's running React 17. Learn more: https://reactjs.org/link/switch-to-createroot"); if (!isValidContainerLegacy(container)) throw new Error("Target container is not a DOM element."); var isModernRoot = isContainerMarkedAsRoot(container) && container._reactRootContainer === undefined; if (isModernRoot) error("You are calling ReactDOM.hydrate() on a container that was previously passed to ReactDOMClient.createRoot(). This is not supported. Did you mean to call hydrateRoot(container, element)?"); return legacyRenderSubtreeIntoContainer(null, element, container, true, callback); } function render(element, container, callback) { error("ReactDOM.render is no longer supported in React 18. Use createRoot instead. Until you switch to the new API, your app will behave as if it's running React 17. Learn more: https://reactjs.org/link/switch-to-createroot"); if (!isValidContainerLegacy(container)) throw new Error("Target container is not a DOM element."); var isModernRoot = isContainerMarkedAsRoot(container) && container._reactRootContainer === undefined; if (isModernRoot) error("You are calling ReactDOM.render() on a container that was previously passed to ReactDOMClient.createRoot(). This is not supported. Did you mean to call root.render(element)?"); return legacyRenderSubtreeIntoContainer(null, element, container, false, callback); } function unstable_renderSubtreeIntoContainer(parentComponent, element, containerNode, callback) { error("ReactDOM.unstable_renderSubtreeIntoContainer() is no longer supported in React 18. Consider using a portal instead. Until you switch to the createRoot API, your app will behave as if it's running React 17. Learn more: https://reactjs.org/link/switch-to-createroot"); if (!isValidContainerLegacy(containerNode)) throw new Error("Target container is not a DOM element."); if (parentComponent == null || !has(parentComponent)) throw new Error("parentComponent must be a valid React Component"); return legacyRenderSubtreeIntoContainer(parentComponent, element, containerNode, false, callback); } function unmountComponentAtNode(container) { if (!isValidContainerLegacy(container)) throw new Error("unmountComponentAtNode(...): Target container is not a DOM element."); var isModernRoot = isContainerMarkedAsRoot(container) && container._reactRootContainer === undefined; if (isModernRoot) error("You are calling ReactDOM.unmountComponentAtNode() on a container that was previously passed to ReactDOMClient.createRoot(). This is not supported. Did you mean to call root.unmount()?"); if (container._reactRootContainer) { var rootEl = getReactRootElementInContainer(container); var renderedByDifferentReact = rootEl && !getInstanceFromNode(rootEl); if (renderedByDifferentReact) error("unmountComponentAtNode(): The node you're attempting to unmount was rendered by another copy of React."); flushSync(function() { legacyRenderSubtreeIntoContainer(null, null, container, false, function() { // $FlowFixMe This should probably use `delete container._reactRootContainer` container._reactRootContainer = null; unmarkContainerAsRoot(container); }); }); // If you call unmountComponentAtNode twice in quick succession, you'll // get `true` twice. That's probably fine? return true; } else { var _rootEl = getReactRootElementInContainer(container); var hasNonRootReactChild = !!(_rootEl && getInstanceFromNode(_rootEl)); // Check if the container itself is a React root node. var isContainerReactRoot = container.nodeType === ELEMENT_NODE && isValidContainerLegacy(container.parentNode) && !!container.parentNode._reactRootContainer; if (hasNonRootReactChild) error("unmountComponentAtNode(): The node you're attempting to unmount was rendered by React and is not a top-level container. %s", isContainerReactRoot ? "You may have accidentally passed in a React root node instead of its container." : "Instead, have the parent component update its state and rerender in order to remove this component."); return false; } } setAttemptSynchronousHydration(attemptSynchronousHydration$1); setAttemptContinuousHydration(attemptContinuousHydration$1); setAttemptHydrationAtCurrentPriority(attemptHydrationAtCurrentPriority$1); setGetCurrentUpdatePriority(getCurrentUpdatePriority); setAttemptHydrationAtPriority(runWithPriority); if (typeof Map !== "function" || // $FlowIssue Flow incorrectly thinks Map has no prototype Map.prototype == null || typeof Map.prototype.forEach !== "function" || typeof Set !== "function" || // $FlowIssue Flow incorrectly thinks Set has no prototype Set.prototype == null || typeof Set.prototype.clear !== "function" || typeof Set.prototype.forEach !== "function") error("React depends on Map and Set built-in types. Make sure that you load a polyfill in older browsers. https://reactjs.org/link/react-polyfills"); setRestoreImplementation(restoreControlledState$3); setBatchingImplementation(batchedUpdates$1, discreteUpdates, flushSync); function createPortal$1(children, container) { var key = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null; if (!isValidContainer(container)) throw new Error("Target container is not a DOM element."); // TODO: pass ReactDOM portal implementation as third argument // $FlowFixMe The Flow type is opaque but there's no way to actually create it. return createPortal(children, container, null, key); } function renderSubtreeIntoContainer(parentComponent, element, containerNode, callback) { return unstable_renderSubtreeIntoContainer(parentComponent, element, containerNode, callback); } var Internals = { usingClientEntryPoint: false, // Keep in sync with ReactTestUtils.js. // This is an array for better minification. Events: [ getInstanceFromNode, getNodeFromInstance, getFiberCurrentPropsFromNode, enqueueStateRestore, restoreStateIfNeeded, batchedUpdates$1 ] }; function createRoot$1(container, options) { if (!Internals.usingClientEntryPoint && true) error('You are importing createRoot from "react-dom" which is not supported. You should instead import it from "react-dom/client".'); return createRoot(container, options); } function hydrateRoot$1(container, initialChildren, options) { if (!Internals.usingClientEntryPoint && true) error('You are importing hydrateRoot from "react-dom" which is not supported. You should instead import it from "react-dom/client".'); return hydrateRoot(container, initialChildren, options); } // Overload the definition to the two valid signatures. // Warning, this opts-out of checking the function body. // eslint-disable-next-line no-redeclare function flushSync$1(fn) { if (isAlreadyRendering()) error("flushSync was called from inside a lifecycle method. React cannot flush when React is already rendering. Consider moving this call to a scheduler task or micro task."); return flushSync(fn); } var foundDevTools = injectIntoDevTools({ findFiberByHostInstance: getClosestInstanceFromNode, bundleType: 1, version: ReactVersion, rendererPackageName: "react-dom" }); if (!foundDevTools && canUseDOM && window.top === window.self) // If we're in Chrome or Firefox, provide a download link if not installed. { if (navigator.userAgent.indexOf("Chrome") > -1 && navigator.userAgent.indexOf("Edge") === -1 || navigator.userAgent.indexOf("Firefox") > -1) { var protocol = window.location.protocol; // Don't warn in exotic cases like chrome-extension://. if (/^(https?|file):$/.test(protocol)) // eslint-disable-next-line react-internal/no-production-logging console.info("%cDownload the React DevTools for a better development experience: https://reactjs.org/link/react-devtools" + (protocol === "file:" ? "\nYou might need to use a local HTTP server (instead of file://): https://reactjs.org/link/react-devtools-faq" : ""), "font-weight:bold"); } } exports.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED = Internals; exports.createPortal = createPortal$1; exports.createRoot = createRoot$1; exports.findDOMNode = findDOMNode; exports.flushSync = flushSync$1; exports.hydrate = hydrate; exports.hydrateRoot = hydrateRoot$1; exports.render = render; exports.unmountComponentAtNode = unmountComponentAtNode; exports.unstable_batchedUpdates = batchedUpdates$1; exports.unstable_renderSubtreeIntoContainer = renderSubtreeIntoContainer; exports.version = ReactVersion; /* global __REACT_DEVTOOLS_GLOBAL_HOOK__ */ if (typeof __REACT_DEVTOOLS_GLOBAL_HOOK__ !== "undefined" && typeof __REACT_DEVTOOLS_GLOBAL_HOOK__.registerInternalModuleStop === "function") __REACT_DEVTOOLS_GLOBAL_HOOK__.registerInternalModuleStop(new Error()); })(); },{"6013e8b7c9e2587a":"21dqq","b8ff2c546fada4ae":"juvHo"}],"juvHo":[function(require,module,exports) { "use strict"; module.exports = require("8fff16ce3bd9cab1"); },{"8fff16ce3bd9cab1":"RqdIf"}],"RqdIf":[function(require,module,exports) { /** * @license React * scheduler.development.js * * Copyright (c) Facebook, Inc. and its affiliates. * * This source code is licensed under the MIT license found in the * LICENSE file in the root directory of this source tree. */ "use strict"; (function() { "use strict"; /* global __REACT_DEVTOOLS_GLOBAL_HOOK__ */ if (typeof __REACT_DEVTOOLS_GLOBAL_HOOK__ !== "undefined" && typeof __REACT_DEVTOOLS_GLOBAL_HOOK__.registerInternalModuleStart === "function") __REACT_DEVTOOLS_GLOBAL_HOOK__.registerInternalModuleStart(new Error()); var enableSchedulerDebugging = false; var enableProfiling = false; var frameYieldMs = 5; function push(heap, node) { var index = heap.length; heap.push(node); siftUp(heap, node, index); } function peek(heap) { return heap.length === 0 ? null : heap[0]; } function pop(heap) { if (heap.length === 0) return null; var first = heap[0]; var last = heap.pop(); if (last !== first) { heap[0] = last; siftDown(heap, last, 0); } return first; } function siftUp(heap, node, i) { var index = i; while(index > 0){ var parentIndex = index - 1 >>> 1; var parent = heap[parentIndex]; if (compare(parent, node) > 0) { // The parent is larger. Swap positions. heap[parentIndex] = node; heap[index] = parent; index = parentIndex; } else // The parent is smaller. Exit. return; } } function siftDown(heap, node, i) { var index = i; var length = heap.length; var halfLength = length >>> 1; while(index < halfLength){ var leftIndex = (index + 1) * 2 - 1; var left = heap[leftIndex]; var rightIndex = leftIndex + 1; var right = heap[rightIndex]; // If the left or right node is smaller, swap with the smaller of those. if (compare(left, node) < 0) { if (rightIndex < length && compare(right, left) < 0) { heap[index] = right; heap[rightIndex] = node; index = rightIndex; } else { heap[index] = left; heap[leftIndex] = node; index = leftIndex; } } else if (rightIndex < length && compare(right, node) < 0) { heap[index] = right; heap[rightIndex] = node; index = rightIndex; } else // Neither child is smaller. Exit. return; } } function compare(a, b) { // Compare sort index first, then task id. var diff = a.sortIndex - b.sortIndex; return diff !== 0 ? diff : a.id - b.id; } // TODO: Use symbols? var ImmediatePriority = 1; var UserBlockingPriority = 2; var NormalPriority = 3; var LowPriority = 4; var IdlePriority = 5; function markTaskErrored(task, ms) {} /* eslint-disable no-var */ var hasPerformanceNow = typeof performance === "object" && typeof performance.now === "function"; if (hasPerformanceNow) { var localPerformance = performance; exports.unstable_now = function() { return localPerformance.now(); }; } else { var localDate = Date; var initialTime = localDate.now(); exports.unstable_now = function() { return localDate.now() - initialTime; }; } // Max 31 bit integer. The max integer size in V8 for 32-bit systems. // Math.pow(2, 30) - 1 // 0b111111111111111111111111111111 var maxSigned31BitInt = 1073741823; // Times out immediately var IMMEDIATE_PRIORITY_TIMEOUT = -1; // Eventually times out var USER_BLOCKING_PRIORITY_TIMEOUT = 250; var NORMAL_PRIORITY_TIMEOUT = 5000; var LOW_PRIORITY_TIMEOUT = 10000; // Never times out var IDLE_PRIORITY_TIMEOUT = maxSigned31BitInt; // Tasks are stored on a min heap var taskQueue = []; var timerQueue = []; // Incrementing id counter. Used to maintain insertion order. var taskIdCounter = 1; // Pausing the scheduler is useful for debugging. var currentTask = null; var currentPriorityLevel = NormalPriority; // This is set while performing work, to prevent re-entrance. var isPerformingWork = false; var isHostCallbackScheduled = false; var isHostTimeoutScheduled = false; // Capture local references to native APIs, in case a polyfill overrides them. var localSetTimeout = typeof setTimeout === "function" ? setTimeout : null; var localClearTimeout = typeof clearTimeout === "function" ? clearTimeout : null; var localSetImmediate = typeof setImmediate !== "undefined" ? setImmediate : null; // IE and Node.js + jsdom var isInputPending = typeof navigator !== "undefined" && navigator.scheduling !== undefined && navigator.scheduling.isInputPending !== undefined ? navigator.scheduling.isInputPending.bind(navigator.scheduling) : null; function advanceTimers(currentTime) { // Check for tasks that are no longer delayed and add them to the queue. var timer = peek(timerQueue); while(timer !== null){ if (timer.callback === null) // Timer was cancelled. pop(timerQueue); else if (timer.startTime <= currentTime) { // Timer fired. Transfer to the task queue. pop(timerQueue); timer.sortIndex = timer.expirationTime; push(taskQueue, timer); } else // Remaining timers are pending. return; timer = peek(timerQueue); } } function handleTimeout(currentTime) { isHostTimeoutScheduled = false; advanceTimers(currentTime); if (!isHostCallbackScheduled) { if (peek(taskQueue) !== null) { isHostCallbackScheduled = true; requestHostCallback(flushWork); } else { var firstTimer = peek(timerQueue); if (firstTimer !== null) requestHostTimeout(handleTimeout, firstTimer.startTime - currentTime); } } } function flushWork(hasTimeRemaining, initialTime) { isHostCallbackScheduled = false; if (isHostTimeoutScheduled) { // We scheduled a timeout but it's no longer needed. Cancel it. isHostTimeoutScheduled = false; cancelHostTimeout(); } isPerformingWork = true; var previousPriorityLevel = currentPriorityLevel; try { if (enableProfiling) try { return workLoop(hasTimeRemaining, initialTime); } catch (error) { if (currentTask !== null) { var currentTime = exports.unstable_now(); markTaskErrored(currentTask, currentTime); currentTask.isQueued = false; } throw error; } else // No catch in prod code path. return workLoop(hasTimeRemaining, initialTime); } finally{ currentTask = null; currentPriorityLevel = previousPriorityLevel; isPerformingWork = false; } } function workLoop(hasTimeRemaining, initialTime) { var currentTime = initialTime; advanceTimers(currentTime); currentTask = peek(taskQueue); while(currentTask !== null && !enableSchedulerDebugging){ if (currentTask.expirationTime > currentTime && (!hasTimeRemaining || shouldYieldToHost())) break; var callback = currentTask.callback; if (typeof callback === "function") { currentTask.callback = null; currentPriorityLevel = currentTask.priorityLevel; var didUserCallbackTimeout = currentTask.expirationTime <= currentTime; var continuationCallback = callback(didUserCallbackTimeout); currentTime = exports.unstable_now(); if (typeof continuationCallback === "function") currentTask.callback = continuationCallback; else if (currentTask === peek(taskQueue)) pop(taskQueue); advanceTimers(currentTime); } else pop(taskQueue); currentTask = peek(taskQueue); } // Return whether there's additional work if (currentTask !== null) return true; else { var firstTimer = peek(timerQueue); if (firstTimer !== null) requestHostTimeout(handleTimeout, firstTimer.startTime - currentTime); return false; } } function unstable_runWithPriority(priorityLevel, eventHandler) { switch(priorityLevel){ case ImmediatePriority: case UserBlockingPriority: case NormalPriority: case LowPriority: case IdlePriority: break; default: priorityLevel = NormalPriority; } var previousPriorityLevel = currentPriorityLevel; currentPriorityLevel = priorityLevel; try { return eventHandler(); } finally{ currentPriorityLevel = previousPriorityLevel; } } function unstable_next(eventHandler) { var priorityLevel; switch(currentPriorityLevel){ case ImmediatePriority: case UserBlockingPriority: case NormalPriority: // Shift down to normal priority priorityLevel = NormalPriority; break; default: // Anything lower than normal priority should remain at the current level. priorityLevel = currentPriorityLevel; break; } var previousPriorityLevel = currentPriorityLevel; currentPriorityLevel = priorityLevel; try { return eventHandler(); } finally{ currentPriorityLevel = previousPriorityLevel; } } function unstable_wrapCallback(callback) { var parentPriorityLevel = currentPriorityLevel; return function() { // This is a fork of runWithPriority, inlined for performance. var previousPriorityLevel = currentPriorityLevel; currentPriorityLevel = parentPriorityLevel; try { return callback.apply(this, arguments); } finally{ currentPriorityLevel = previousPriorityLevel; } }; } function unstable_scheduleCallback(priorityLevel, callback, options) { var currentTime = exports.unstable_now(); var startTime; if (typeof options === "object" && options !== null) { var delay = options.delay; if (typeof delay === "number" && delay > 0) startTime = currentTime + delay; else startTime = currentTime; } else startTime = currentTime; var timeout; switch(priorityLevel){ case ImmediatePriority: timeout = IMMEDIATE_PRIORITY_TIMEOUT; break; case UserBlockingPriority: timeout = USER_BLOCKING_PRIORITY_TIMEOUT; break; case IdlePriority: timeout = IDLE_PRIORITY_TIMEOUT; break; case LowPriority: timeout = LOW_PRIORITY_TIMEOUT; break; case NormalPriority: default: timeout = NORMAL_PRIORITY_TIMEOUT; break; } var expirationTime = startTime + timeout; var newTask = { id: taskIdCounter++, callback: callback, priorityLevel: priorityLevel, startTime: startTime, expirationTime: expirationTime, sortIndex: -1 }; if (startTime > currentTime) { // This is a delayed task. newTask.sortIndex = startTime; push(timerQueue, newTask); if (peek(taskQueue) === null && newTask === peek(timerQueue)) { // All tasks are delayed, and this is the task with the earliest delay. if (isHostTimeoutScheduled) // Cancel an existing timeout. cancelHostTimeout(); else isHostTimeoutScheduled = true; // Schedule a timeout. requestHostTimeout(handleTimeout, startTime - currentTime); } } else { newTask.sortIndex = expirationTime; push(taskQueue, newTask); // wait until the next time we yield. if (!isHostCallbackScheduled && !isPerformingWork) { isHostCallbackScheduled = true; requestHostCallback(flushWork); } } return newTask; } function unstable_pauseExecution() {} function unstable_continueExecution() { if (!isHostCallbackScheduled && !isPerformingWork) { isHostCallbackScheduled = true; requestHostCallback(flushWork); } } function unstable_getFirstCallbackNode() { return peek(taskQueue); } function unstable_cancelCallback(task) { // remove from the queue because you can't remove arbitrary nodes from an // array based heap, only the first one.) task.callback = null; } function unstable_getCurrentPriorityLevel() { return currentPriorityLevel; } var isMessageLoopRunning = false; var scheduledHostCallback = null; var taskTimeoutID = -1; // Scheduler periodically yields in case there is other work on the main // thread, like user events. By default, it yields multiple times per frame. // It does not attempt to align with frame boundaries, since most tasks don't // need to be frame aligned; for those that do, use requestAnimationFrame. var frameInterval = frameYieldMs; var startTime = -1; function shouldYieldToHost() { var timeElapsed = exports.unstable_now() - startTime; if (timeElapsed < frameInterval) // The main thread has only been blocked for a really short amount of time; // smaller than a single frame. Don't yield yet. return false; // The main thread has been blocked for a non-negligible amount of time. We return true; } function requestPaint() {} function forceFrameRate(fps) { if (fps < 0 || fps > 125) { // Using console['error'] to evade Babel and ESLint console["error"]("forceFrameRate takes a positive int between 0 and 125, forcing frame rates higher than 125 fps is not supported"); return; } if (fps > 0) frameInterval = Math.floor(1000 / fps); else // reset the framerate frameInterval = frameYieldMs; } var performWorkUntilDeadline = function() { if (scheduledHostCallback !== null) { var currentTime = exports.unstable_now(); // Keep track of the start time so we can measure how long the main thread // has been blocked. startTime = currentTime; var hasTimeRemaining = true; // If a scheduler task throws, exit the current browser task so the // error can be observed. // // Intentionally not using a try-catch, since that makes some debugging // techniques harder. Instead, if `scheduledHostCallback` errors, then // `hasMoreWork` will remain true, and we'll continue the work loop. var hasMoreWork = true; try { hasMoreWork = scheduledHostCallback(hasTimeRemaining, currentTime); } finally{ if (hasMoreWork) // If there's more work, schedule the next message event at the end // of the preceding one. schedulePerformWorkUntilDeadline(); else { isMessageLoopRunning = false; scheduledHostCallback = null; } } } else isMessageLoopRunning = false; // Yielding to the browser will give it a chance to paint, so we can }; var schedulePerformWorkUntilDeadline; if (typeof localSetImmediate === "function") // Node.js and old IE. // There's a few reasons for why we prefer setImmediate. // // Unlike MessageChannel, it doesn't prevent a Node.js process from exiting. // (Even though this is a DOM fork of the Scheduler, you could get here // with a mix of Node.js 15+, which has a MessageChannel, and jsdom.) // https://github.com/facebook/react/issues/20756 // // But also, it runs earlier which is the semantic we want. // If other browsers ever implement it, it's better to use it. // Although both of these would be inferior to native scheduling. schedulePerformWorkUntilDeadline = function() { localSetImmediate(performWorkUntilDeadline); }; else if (typeof MessageChannel !== "undefined") { // DOM and Worker environments. // We prefer MessageChannel because of the 4ms setTimeout clamping. var channel = new MessageChannel(); var port = channel.port2; channel.port1.onmessage = performWorkUntilDeadline; schedulePerformWorkUntilDeadline = function() { port.postMessage(null); }; } else // We should only fallback here in non-browser environments. schedulePerformWorkUntilDeadline = function() { localSetTimeout(performWorkUntilDeadline, 0); }; function requestHostCallback(callback) { scheduledHostCallback = callback; if (!isMessageLoopRunning) { isMessageLoopRunning = true; schedulePerformWorkUntilDeadline(); } } function requestHostTimeout(callback, ms) { taskTimeoutID = localSetTimeout(function() { callback(exports.unstable_now()); }, ms); } function cancelHostTimeout() { localClearTimeout(taskTimeoutID); taskTimeoutID = -1; } var unstable_requestPaint = requestPaint; var unstable_Profiling = null; exports.unstable_IdlePriority = IdlePriority; exports.unstable_ImmediatePriority = ImmediatePriority; exports.unstable_LowPriority = LowPriority; exports.unstable_NormalPriority = NormalPriority; exports.unstable_Profiling = unstable_Profiling; exports.unstable_UserBlockingPriority = UserBlockingPriority; exports.unstable_cancelCallback = unstable_cancelCallback; exports.unstable_continueExecution = unstable_continueExecution; exports.unstable_forceFrameRate = forceFrameRate; exports.unstable_getCurrentPriorityLevel = unstable_getCurrentPriorityLevel; exports.unstable_getFirstCallbackNode = unstable_getFirstCallbackNode; exports.unstable_next = unstable_next; exports.unstable_pauseExecution = unstable_pauseExecution; exports.unstable_requestPaint = unstable_requestPaint; exports.unstable_runWithPriority = unstable_runWithPriority; exports.unstable_scheduleCallback = unstable_scheduleCallback; exports.unstable_shouldYield = shouldYieldToHost; exports.unstable_wrapCallback = unstable_wrapCallback; /* global __REACT_DEVTOOLS_GLOBAL_HOOK__ */ if (typeof __REACT_DEVTOOLS_GLOBAL_HOOK__ !== "undefined" && typeof __REACT_DEVTOOLS_GLOBAL_HOOK__.registerInternalModuleStop === "function") __REACT_DEVTOOLS_GLOBAL_HOOK__.registerInternalModuleStop(new Error()); })(); },{}],"2kQhy":[function(require,module,exports) { var $parcel$ReactRefreshHelpers$f00f = require("@parcel/transformer-react-refresh-wrap/lib/helpers/helpers.js"); var prevRefreshReg = window.$RefreshReg$; var prevRefreshSig = window.$RefreshSig$; $parcel$ReactRefreshHelpers$f00f.prelude(module); try { var parcelHelpers = require("@parcel/transformer-js/src/esmodule-helpers.js"); parcelHelpers.defineInteropFlag(exports); var _jsxDevRuntime = require("react/jsx-dev-runtime"); var _react = require("react"); var _reactDefault = parcelHelpers.interopDefault(_react); var _layout = require("./Layout"); var _layoutDefault = parcelHelpers.interopDefault(_layout); var _home = require("./components/P1 - home/home"); var _homeDefault = parcelHelpers.interopDefault(_home); var _vision = require("./components/P2 - vision/vision"); var _visionDefault = parcelHelpers.interopDefault(_vision); var _w3 = require("./components/P3 - w3/w3"); var _w3Default = parcelHelpers.interopDefault(_w3); var _reactRouterDom = require("react-router-dom"); function App() { return /*#__PURE__*/ (0, _jsxDevRuntime.jsxDEV)((0, _reactRouterDom.BrowserRouter), { children: /*#__PURE__*/ (0, _jsxDevRuntime.jsxDEV)((0, _reactRouterDom.Routes), { children: /*#__PURE__*/ (0, _jsxDevRuntime.jsxDEV)((0, _reactRouterDom.Route), { path: "/", element: /*#__PURE__*/ (0, _jsxDevRuntime.jsxDEV)((0, _layoutDefault.default), {}, void 0, false, void 0, void 0), children: [ /*#__PURE__*/ (0, _jsxDevRuntime.jsxDEV)((0, _reactRouterDom.Route), { index: true, element: /*#__PURE__*/ (0, _jsxDevRuntime.jsxDEV)((0, _homeDefault.default), {}, void 0, false, void 0, void 0) }, void 0, false, { fileName: "src/App.js", lineNumber: 13, columnNumber: 13 }, this), /*#__PURE__*/ (0, _jsxDevRuntime.jsxDEV)((0, _reactRouterDom.Route), { path: "home", element: /*#__PURE__*/ (0, _jsxDevRuntime.jsxDEV)((0, _homeDefault.default), {}, void 0, false, void 0, void 0) }, void 0, false, { fileName: "src/App.js", lineNumber: 14, columnNumber: 13 }, this), /*#__PURE__*/ (0, _jsxDevRuntime.jsxDEV)((0, _reactRouterDom.Route), { path: "vision", element: /*#__PURE__*/ (0, _jsxDevRuntime.jsxDEV)((0, _visionDefault.default), {}, void 0, false, void 0, void 0) }, void 0, false, { fileName: "src/App.js", lineNumber: 15, columnNumber: 13 }, this), /*#__PURE__*/ (0, _jsxDevRuntime.jsxDEV)((0, _reactRouterDom.Route), { path: "w3", element: /*#__PURE__*/ (0, _jsxDevRuntime.jsxDEV)((0, _w3Default.default), {}, void 0, false, void 0, void 0) }, void 0, false, { fileName: "src/App.js", lineNumber: 16, columnNumber: 13 }, this) ] }, void 0, true, { fileName: "src/App.js", lineNumber: 12, columnNumber: 11 }, this) }, void 0, false, { fileName: "src/App.js", lineNumber: 11, columnNumber: 9 }, this) }, void 0, false, { fileName: "src/App.js", lineNumber: 10, columnNumber: 9 }, this); } _c = App; exports.default = App; var _c; $RefreshReg$(_c, "App"); $parcel$ReactRefreshHelpers$f00f.postlude(module); } finally { window.$RefreshReg$ = prevRefreshReg; window.$RefreshSig$ = prevRefreshSig; } },{"react/jsx-dev-runtime":"iTorj","react":"21dqq","./Layout":"eN9AY","./components/P1 - home/home":"1zcit","./components/P2 - vision/vision":"9LWX3","./components/P3 - w3/w3":"6kDpk","react-router-dom":"9xmpe","@parcel/transformer-js/src/esmodule-helpers.js":"gkKU3","@parcel/transformer-react-refresh-wrap/lib/helpers/helpers.js":"km3Ru"}],"eN9AY":[function(require,module,exports) { var $parcel$ReactRefreshHelpers$4135 = require("@parcel/transformer-react-refresh-wrap/lib/helpers/helpers.js"); var prevRefreshReg = window.$RefreshReg$; var prevRefreshSig = window.$RefreshSig$; $parcel$ReactRefreshHelpers$4135.prelude(module); try { var parcelHelpers = require("@parcel/transformer-js/src/esmodule-helpers.js"); parcelHelpers.defineInteropFlag(exports); var _jsxDevRuntime = require("react/jsx-dev-runtime"); var _react = require("react"); var _reactDefault = parcelHelpers.interopDefault(_react); var _reactRouterDom = require("react-router-dom"); var _navbar = require("./components/navbar/Navbar"); var _navbarDefault = parcelHelpers.interopDefault(_navbar); const Layout = ()=>{ return /*#__PURE__*/ (0, _jsxDevRuntime.jsxDEV)((0, _jsxDevRuntime.Fragment), { children: [ /*#__PURE__*/ (0, _jsxDevRuntime.jsxDEV)((0, _navbarDefault.default), {}, void 0, false, { fileName: "src/Layout.js", lineNumber: 8, columnNumber: 7 }, undefined), /*#__PURE__*/ (0, _jsxDevRuntime.jsxDEV)((0, _reactRouterDom.Outlet), {}, void 0, false, { fileName: "src/Layout.js", lineNumber: 9, columnNumber: 7 }, undefined) ] }, void 0, true); }; _c = Layout; exports.default = Layout; var _c; $RefreshReg$(_c, "Layout"); $parcel$ReactRefreshHelpers$4135.postlude(module); } finally { window.$RefreshReg$ = prevRefreshReg; window.$RefreshSig$ = prevRefreshSig; } },{"react/jsx-dev-runtime":"iTorj","react":"21dqq","react-router-dom":"9xmpe","./components/navbar/Navbar":"3cu6u","@parcel/transformer-js/src/esmodule-helpers.js":"gkKU3","@parcel/transformer-react-refresh-wrap/lib/helpers/helpers.js":"km3Ru"}],"9xmpe":[function(require,module,exports) { /** * React Router DOM v6.10.0 * * Copyright (c) Remix Software Inc. * * This source code is licensed under the MIT license found in the * LICENSE.md file in the root directory of this source tree. * * @license MIT */ var parcelHelpers = require("@parcel/transformer-js/src/esmodule-helpers.js"); parcelHelpers.defineInteropFlag(exports); parcelHelpers.export(exports, "AbortedDeferredError", ()=>(0, _reactRouter.AbortedDeferredError)); parcelHelpers.export(exports, "Await", ()=>(0, _reactRouter.Await)); parcelHelpers.export(exports, "MemoryRouter", ()=>(0, _reactRouter.MemoryRouter)); parcelHelpers.export(exports, "Navigate", ()=>(0, _reactRouter.Navigate)); parcelHelpers.export(exports, "NavigationType", ()=>(0, _reactRouter.NavigationType)); parcelHelpers.export(exports, "Outlet", ()=>(0, _reactRouter.Outlet)); parcelHelpers.export(exports, "Route", ()=>(0, _reactRouter.Route)); parcelHelpers.export(exports, "Router", ()=>(0, _reactRouter.Router)); parcelHelpers.export(exports, "RouterProvider", ()=>(0, _reactRouter.RouterProvider)); parcelHelpers.export(exports, "Routes", ()=>(0, _reactRouter.Routes)); parcelHelpers.export(exports, "UNSAFE_DataRouterContext", ()=>(0, _reactRouter.UNSAFE_DataRouterContext)); parcelHelpers.export(exports, "UNSAFE_DataRouterStateContext", ()=>(0, _reactRouter.UNSAFE_DataRouterStateContext)); parcelHelpers.export(exports, "UNSAFE_LocationContext", ()=>(0, _reactRouter.UNSAFE_LocationContext)); parcelHelpers.export(exports, "UNSAFE_NavigationContext", ()=>(0, _reactRouter.UNSAFE_NavigationContext)); parcelHelpers.export(exports, "UNSAFE_RouteContext", ()=>(0, _reactRouter.UNSAFE_RouteContext)); parcelHelpers.export(exports, "createMemoryRouter", ()=>(0, _reactRouter.createMemoryRouter)); parcelHelpers.export(exports, "createPath", ()=>(0, _reactRouter.createPath)); parcelHelpers.export(exports, "createRoutesFromChildren", ()=>(0, _reactRouter.createRoutesFromChildren)); parcelHelpers.export(exports, "createRoutesFromElements", ()=>(0, _reactRouter.createRoutesFromElements)); parcelHelpers.export(exports, "defer", ()=>(0, _reactRouter.defer)); parcelHelpers.export(exports, "generatePath", ()=>(0, _reactRouter.generatePath)); parcelHelpers.export(exports, "isRouteErrorResponse", ()=>(0, _reactRouter.isRouteErrorResponse)); parcelHelpers.export(exports, "json", ()=>(0, _reactRouter.json)); parcelHelpers.export(exports, "matchPath", ()=>(0, _reactRouter.matchPath)); parcelHelpers.export(exports, "matchRoutes", ()=>(0, _reactRouter.matchRoutes)); parcelHelpers.export(exports, "parsePath", ()=>(0, _reactRouter.parsePath)); parcelHelpers.export(exports, "redirect", ()=>(0, _reactRouter.redirect)); parcelHelpers.export(exports, "renderMatches", ()=>(0, _reactRouter.renderMatches)); parcelHelpers.export(exports, "resolvePath", ()=>(0, _reactRouter.resolvePath)); parcelHelpers.export(exports, "unstable_useBlocker", ()=>(0, _reactRouter.unstable_useBlocker)); parcelHelpers.export(exports, "useActionData", ()=>(0, _reactRouter.useActionData)); parcelHelpers.export(exports, "useAsyncError", ()=>(0, _reactRouter.useAsyncError)); parcelHelpers.export(exports, "useAsyncValue", ()=>(0, _reactRouter.useAsyncValue)); parcelHelpers.export(exports, "useHref", ()=>(0, _reactRouter.useHref)); parcelHelpers.export(exports, "useInRouterContext", ()=>(0, _reactRouter.useInRouterContext)); parcelHelpers.export(exports, "useLoaderData", ()=>(0, _reactRouter.useLoaderData)); parcelHelpers.export(exports, "useLocation", ()=>(0, _reactRouter.useLocation)); parcelHelpers.export(exports, "useMatch", ()=>(0, _reactRouter.useMatch)); parcelHelpers.export(exports, "useMatches", ()=>(0, _reactRouter.useMatches)); parcelHelpers.export(exports, "useNavigate", ()=>(0, _reactRouter.useNavigate)); parcelHelpers.export(exports, "useNavigation", ()=>(0, _reactRouter.useNavigation)); parcelHelpers.export(exports, "useNavigationType", ()=>(0, _reactRouter.useNavigationType)); parcelHelpers.export(exports, "useOutlet", ()=>(0, _reactRouter.useOutlet)); parcelHelpers.export(exports, "useOutletContext", ()=>(0, _reactRouter.useOutletContext)); parcelHelpers.export(exports, "useParams", ()=>(0, _reactRouter.useParams)); parcelHelpers.export(exports, "useResolvedPath", ()=>(0, _reactRouter.useResolvedPath)); parcelHelpers.export(exports, "useRevalidator", ()=>(0, _reactRouter.useRevalidator)); parcelHelpers.export(exports, "useRouteError", ()=>(0, _reactRouter.useRouteError)); parcelHelpers.export(exports, "useRouteLoaderData", ()=>(0, _reactRouter.useRouteLoaderData)); parcelHelpers.export(exports, "useRoutes", ()=>(0, _reactRouter.useRoutes)); //#endregion parcelHelpers.export(exports, "BrowserRouter", ()=>BrowserRouter); parcelHelpers.export(exports, "Form", ()=>Form); parcelHelpers.export(exports, "HashRouter", ()=>HashRouter); parcelHelpers.export(exports, "Link", ()=>Link); parcelHelpers.export(exports, "NavLink", ()=>NavLink); parcelHelpers.export(exports, "ScrollRestoration", ()=>ScrollRestoration); parcelHelpers.export(exports, "UNSAFE_useScrollRestoration", ()=>useScrollRestoration); parcelHelpers.export(exports, "createBrowserRouter", ()=>createBrowserRouter); parcelHelpers.export(exports, "createHashRouter", ()=>createHashRouter); parcelHelpers.export(exports, "createSearchParams", ()=>createSearchParams); parcelHelpers.export(exports, "unstable_HistoryRouter", ()=>HistoryRouter); parcelHelpers.export(exports, "unstable_usePrompt", ()=>usePrompt); parcelHelpers.export(exports, "useBeforeUnload", ()=>useBeforeUnload); parcelHelpers.export(exports, "useFetcher", ()=>useFetcher); parcelHelpers.export(exports, "useFetchers", ()=>useFetchers); parcelHelpers.export(exports, "useFormAction", ()=>useFormAction); parcelHelpers.export(exports, "useLinkClickHandler", ()=>useLinkClickHandler); parcelHelpers.export(exports, "useSearchParams", ()=>useSearchParams); parcelHelpers.export(exports, "useSubmit", ()=>useSubmit); var _react = require("react"); var _reactRouter = require("react-router"); var _router = require("@remix-run/router"); function _extends() { _extends = Object.assign ? Object.assign.bind() : function(target) { for(var i = 1; i < arguments.length; i++){ var source = arguments[i]; for(var key in source)if (Object.prototype.hasOwnProperty.call(source, key)) target[key] = source[key]; } return target; }; return _extends.apply(this, arguments); } function _objectWithoutPropertiesLoose(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for(i = 0; i < sourceKeys.length; i++){ key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } return target; } const defaultMethod = "get"; const defaultEncType = "application/x-www-form-urlencoded"; function isHtmlElement(object) { return object != null && typeof object.tagName === "string"; } function isButtonElement(object) { return isHtmlElement(object) && object.tagName.toLowerCase() === "button"; } function isFormElement(object) { return isHtmlElement(object) && object.tagName.toLowerCase() === "form"; } function isInputElement(object) { return isHtmlElement(object) && object.tagName.toLowerCase() === "input"; } function isModifiedEvent(event) { return !!(event.metaKey || event.altKey || event.ctrlKey || event.shiftKey); } function shouldProcessLinkClick(event, target) { return event.button === 0 && (!target || target === "_self") && // Let browser handle "target=_blank" etc. !isModifiedEvent(event) // Ignore clicks with modifier keys ; } /** * Creates a URLSearchParams object using the given initializer. * * This is identical to `new URLSearchParams(init)` except it also * supports arrays as values in the object form of the initializer * instead of just strings. This is convenient when you need multiple * values for a given key, but don't want to use an array initializer. * * For example, instead of: * * let searchParams = new URLSearchParams([ * ['sort', 'name'], * ['sort', 'price'] * ]); * * you can do: * * let searchParams = createSearchParams({ * sort: ['name', 'price'] * }); */ function createSearchParams(init) { if (init === void 0) init = ""; return new URLSearchParams(typeof init === "string" || Array.isArray(init) || init instanceof URLSearchParams ? init : Object.keys(init).reduce((memo, key)=>{ let value = init[key]; return memo.concat(Array.isArray(value) ? value.map((v)=>[ key, v ]) : [ [ key, value ] ]); }, [])); } function getSearchParamsForLocation(locationSearch, defaultSearchParams) { let searchParams = createSearchParams(locationSearch); if (defaultSearchParams) { for (let key of defaultSearchParams.keys())if (!searchParams.has(key)) defaultSearchParams.getAll(key).forEach((value)=>{ searchParams.append(key, value); }); } return searchParams; } function getFormSubmissionInfo(target, defaultAction, options) { let method; let action; let encType; let formData; if (isFormElement(target)) { let submissionTrigger = options.submissionTrigger; method = options.method || target.getAttribute("method") || defaultMethod; action = options.action || target.getAttribute("action") || defaultAction; encType = options.encType || target.getAttribute("enctype") || defaultEncType; formData = new FormData(target); if (submissionTrigger && submissionTrigger.name) formData.append(submissionTrigger.name, submissionTrigger.value); } else if (isButtonElement(target) || isInputElement(target) && (target.type === "submit" || target.type === "image")) { let form = target.form; if (form == null) throw new Error('Cannot submit a