88 lines
2.9 KiB
JavaScript
88 lines
2.9 KiB
JavaScript
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'use strict';
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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var _extends = Object.assign || 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; };
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exports.default = getProp;
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var _propName = require('./propName');
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var _propName2 = _interopRequireDefault(_propName);
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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var DEFAULT_OPTIONS = {
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ignoreCase: true
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};
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/**
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* Returns the JSXAttribute itself or undefined, indicating the prop
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* is not present on the JSXOpeningElement.
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*
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*/
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function getProp() {
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var props = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
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var prop = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : '';
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var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : DEFAULT_OPTIONS;
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function getName(name) {
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return options.ignoreCase ? name.toUpperCase() : name;
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}
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var propToFind = getName(prop);
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function isPropToFind(property) {
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return property.type === 'Property' && property.key.type === 'Identifier' && propToFind === getName(property.key.name);
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}
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var foundAttribute = props.find(function (attribute) {
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// If the props contain a spread prop, try to find the property in the object expression.
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if (attribute.type === 'JSXSpreadAttribute') {
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return attribute.argument.type === 'ObjectExpression' && propToFind !== getName('key') // https://github.com/reactjs/rfcs/pull/107
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&& attribute.argument.properties.some(isPropToFind);
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}
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return propToFind === getName((0, _propName2.default)(attribute));
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});
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if (foundAttribute && foundAttribute.type === 'JSXSpreadAttribute') {
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return propertyToJSXAttribute(foundAttribute.argument.properties.find(isPropToFind));
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}
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return foundAttribute;
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}
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function propertyToJSXAttribute(node) {
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var key = node.key,
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value = node.value;
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return _extends({
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type: 'JSXAttribute',
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name: _extends({ type: 'JSXIdentifier', name: key.name }, getBaseProps(key)),
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value: value.type === 'Literal' ? value : _extends({ type: 'JSXExpressionContainer', expression: value }, getBaseProps(value))
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}, getBaseProps(node));
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}
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function getBaseProps(_ref) {
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var start = _ref.start,
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end = _ref.end,
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loc = _ref.loc,
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range = _ref.range;
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return _extends({
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loc: getBaseLocation(loc)
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}, start !== undefined ? { start: start } : {}, end !== undefined ? { end: end } : {}, range !== undefined ? { range: range } : {});
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}
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function getBaseLocation(_ref2) {
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var start = _ref2.start,
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end = _ref2.end,
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source = _ref2.source,
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filename = _ref2.filename;
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return _extends({
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start: start,
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end: end
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}, source !== undefined ? { source: source } : {}, filename !== undefined ? { filename: filename } : {});
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}
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