784 lines
19 KiB
JavaScript
784 lines
19 KiB
JavaScript
var arrayify = require('array-back')
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var util = require('util')
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var handlebars = require('handlebars')
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var marked = require('marked')
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var objectGet = require('object-get')
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var where = require('test-value').where
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var flatten = require('reduce-flatten')
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var state = require('../lib/state')
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/**
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* ddata is a collection of handlebars helpers for working with the documentation data output by [jsdoc-parse](https://github.com/75lb/jsdoc-parse).
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* @module
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* @example
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* ```js
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* var handlebars = require("handlebars")
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* var ddata = require("ddata")
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* var docs = require("./docs.json") // jsdoc-parse output
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*
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* handlebars.registerHelper(ddata)
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* var template =
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* "{{#module name='yeah-module'}}\
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* The author of the module is: {{author}}.\
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* {{/module}}"
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* console.log(handlebars.compile(template)(docs))
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* ```
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*/
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/* utility block helpers */
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exports.link = link
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exports.returnSig2 = returnSig2
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exports.sig = sig
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exports.children = children
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exports.indexChildren = indexChildren
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/* helpers which return objects */
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exports._link = _link
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/* helpers which return booleans */
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exports.isClass = isClass
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exports.isClassMember = isClassMember
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exports.isConstructor = isConstructor
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exports.isFunction = isFunction
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exports.isConstant = isConstant
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exports.isEvent = isEvent
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exports.isEnum = isEnum
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exports.isTypedef = isTypedef
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exports.isCallback = isCallback
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exports.isModule = isModule
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exports.isMixin = isMixin
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exports.isExternal = isExternal
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exports.isPrivate = isPrivate
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exports.isProtected = isProtected
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exports.showMainIndex = showMainIndex
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/* helpers which return lists */
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exports._orphans = _orphans
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exports._identifiers = _identifiers
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exports._children = _children
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exports._globals = _globals
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exports.descendants = descendants
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/* helpers which return single identifiers */
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exports.exported = exported
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exports.parentObject = parentObject
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exports._identifier = _identifier
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/* helpers which return strings */
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exports.anchorName = anchorName
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exports.md = md
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exports.md2 = md2
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exports.methodSig = methodSig
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exports.parseLink = parseLink
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exports.parentName = parentName
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exports.option = option
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exports.optionEquals = optionEquals
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exports.optionSet = optionSet
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exports.optionIsSet = optionIsSet
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exports.stripNewlines = stripNewlines
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/* helpers which keep state */
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exports.headingDepth = headingDepth
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exports.depth = depth
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exports.depthIncrement = depthIncrement
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exports.depthDecrement = depthDecrement
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exports.indexDepth = indexDepth
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exports.indexDepthIncrement = indexDepthIncrement
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exports.indexDepthDecrement = indexDepthDecrement
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/**
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* omits externals without a description
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* @static
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*/
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function _globals (options) {
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options.hash.scope = 'global'
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return _identifiers(options).filter(function (identifier) {
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if (identifier.kind === 'external') {
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return identifier.description && identifier.description.length > 0
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} else {
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return true
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}
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})
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}
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/**
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* This helper is a duplicate of the handlebars `each` helper with the one exception that `depthIncrement` is called on each iteration.
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* @category Block helper: selector
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*/
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function children (options) {
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var context = _children.call(this, options)
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var fn = options.fn
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var inverse = options.inverse
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var i = 0
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var ret = ''
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var data
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var contextPath
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if (options.data) {
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data = handlebars.createFrame(options.data)
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}
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for (var j = context.length; i < j; i++) {
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depthIncrement(options)
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if (data) {
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data.index = i
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data.first = (i === 0)
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data.last = (i === (context.length - 1))
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if (contextPath) {
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data.contextPath = contextPath + i
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}
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}
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ret = ret + fn(context[i], { data: data })
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depthDecrement(options)
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}
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if (i === 0) {
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ret = inverse(this)
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}
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return ret
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}
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/**
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* This helper is a duplicate of the handlebars `each` helper with the one exception that `indexDepthIncrement` is called on each iteration.
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* @static
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* @category Block helper: selector
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*/
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function indexChildren (options) {
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var context = _children.call(this, options)
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var fn = options.fn
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var inverse = options.inverse
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var i = 0
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var ret = ''
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var data
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var contextPath
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if (options.data) {
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data = handlebars.createFrame(options.data)
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}
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for (var j = context.length; i < j; i++) {
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indexDepthIncrement(options)
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if (data) {
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data.index = i
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data.first = (i === 0)
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data.last = (i === (context.length - 1))
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if (contextPath) {
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data.contextPath = contextPath + i
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}
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}
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ret = ret + fn(context[i], { data: data })
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indexDepthDecrement(options)
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}
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if (i === 0) {
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ret = inverse(this)
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}
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return ret
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}
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/**
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* @param id {string} - the ID to link to, e.g. `external:XMLHttpRequest`, `GlobalClass#propOne` etc.
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* @static
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* @category Block helper: util
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* @example
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* {{#link "module:someModule.property"~}}
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* {{name}} {{!-- prints 'property' --}}
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* {{url}} {{!-- prints 'module-someModule-property' --}}
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* {{/link}}
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*/
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function link (longname, options) {
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return options.fn(_link(longname, options))
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}
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/**
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* e.g. namepaths `module:Something` or type expression `Array.<module:Something>`
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* @static
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* @param {string} - namepath or type expression
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* @param {object} - the handlebars helper options object
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*/
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function _link (input, options) {
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if (typeof input !== 'string') return null
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var linked, matches, namepath
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var output = {}
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/*
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test input for
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1. A type expression containing a namepath, e.g. Array.<module:Something>
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2. a namepath referencing an `id`
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3. a namepath referencing a `longname`
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*/
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if ((matches = input.match(/.*?<(.*?)>/))) {
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namepath = matches[1]
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} else {
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namepath = input
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}
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options.hash = { id: namepath }
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linked = _identifier(options)
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if (!linked) {
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options.hash = { longname: namepath }
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linked = _identifier(options)
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}
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if (!linked) {
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output = { name: input, url: null }
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} else {
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output.name = input.replace(namepath, linked.name)
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if (isExternal.call(linked)) {
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if (linked.description) {
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output.url = '#' + anchorName.call(linked, options)
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} else {
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if (linked.see && linked.see.length) {
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var firstLink = parseLink(linked.see[0])[0]
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output.url = firstLink ? firstLink.url : linked.see[0]
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} else {
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output.url = null
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}
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}
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} else {
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output.url = '#' + anchorName.call(linked, options)
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}
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}
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return output
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}
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/**
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@static
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@returns {{symbol: string, types: array}}
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@category Block helper: util
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*/
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function returnSig2 (options) {
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if (!isConstructor.call(this)) {
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if (this.returns) {
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var typeNames = arrayify(this.returns).map(function (ret) {
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return ret.type && ret.type.names
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})
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typeNames = typeNames.filter(function (name) {
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return name
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})
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if (typeNames.length) {
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return options.fn({
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symbol: '⇒',
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types: typeNames.reduce(flatten, [])
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})
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} else {
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return options.fn({
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symbol: null,
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types: null
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})
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}
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} else if ((this.type || this.kind === 'namespace') && this.kind !== 'event') {
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if (this.kind === 'namespace') {
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return options.fn({
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symbol: ':',
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types: ['object']
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})
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} else {
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return options.fn({
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symbol: ':',
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types: this.type.names
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})
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}
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}
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}
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}
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/**
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@category Block helper: util
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*/
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function sig (options) {
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var data
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if (options.data) {
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data = handlebars.createFrame(options.data || {})
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}
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data.prefix = this.kind === 'constructor' ? 'new' : ''
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data.parent = null
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data.accessSymbol = null
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data.name = isEvent.call(this) ? '"' + this.name + '"' : this.name
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data.methodSign = null
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data.returnSymbol = null
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data.returnTypes = null
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data.suffix = this.isExported ? '⏏' : isPrivate.call(this) ? '℗' : ''
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data.depOpen = null
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data.depClose = null
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data.codeOpen = null
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data.codeClose = null
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var mSig = methodSig.call(this)
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if (isConstructor.call(this) || isFunction.call(this)) {
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data.methodSign = '(' + mSig + ')'
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} else if (isEvent.call(this)) {
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if (mSig) data.methodSign = '(' + mSig + ')'
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}
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if (!isEvent.call(this)) {
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data.parent = parentName.call(this, options)
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data.accessSymbol = (this.scope === 'static' || this.scope === 'instance') ? '.' : this.scope === 'inner' ? '~' : ''
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}
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if (!isConstructor.call(this)) {
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if (this.returns) {
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data.returnSymbol = '⇒'
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var typeNames = arrayify(this.returns)
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.map(function (ret) {
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return ret.type && ret.type.names
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})
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.filter(function (name) {
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return name
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})
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if (typeNames.length) {
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data.returnTypes = typeNames.reduce(flatten, [])
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}
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} else if ((this.type || this.kind === 'namespace') && this.kind !== 'event') {
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data.returnSymbol = ':'
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if (isEnum.call(this)) {
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data.returnTypes = ['enum']
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} else if (this.kind === 'namespace') {
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data.returnTypes = ['object']
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} else {
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data.returnTypes = this.type.names
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}
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} else if (this.chainable) {
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data.returnSymbol = '↩︎'
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} else if (this.augments) {
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data.returnSymbol = '⇐'
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data.returnTypes = [this.augments[0]]
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}
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}
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if (this.deprecated) {
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if (optionEquals('no-gfm', true, options) || options.hash['no-gfm']) {
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data.depOpen = '<del>'
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data.depClose = '</del>'
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} else {
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data.depOpen = '~~'
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data.depClose = '~~'
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}
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}
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if (option('name-format', options) && !isClass.call(this) && !isModule.call(this)) {
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data.codeOpen = '`'
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data.codeClose = '`'
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}
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return options.fn(this, { data: data })
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}
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/**
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@this {identifier}
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@returns {boolean}
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@alias module:ddata.isClass
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*/
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function isClass () { return this.kind === 'class' }
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/**
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returns true if the parent of the current identifier is a class
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@returns {boolean}
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@static
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*/
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function isClassMember (options) {
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var parent = arrayify(options.data.root).find(where({ id: this.memberof }))
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if (parent) {
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return parent.kind === 'class'
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}
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}
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function isConstructor () { return this.kind === 'constructor' }
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function isFunction () { return this.kind === 'function' }
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function isConstant () { return this.kind === 'constant' }
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/**
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returns true if this is an event
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@returns {boolean}
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@static
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*/
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function isEvent () { return this.kind === 'event' }
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function isEnum () { return this.isEnum || this.kind === 'enum' }
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function isExternal () { return this.kind === 'external' }
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function isTypedef () {
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return this.kind === 'typedef' && this.type.names[0] !== 'function'
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}
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function isCallback () {
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return this.kind === 'typedef' && this.type.names[0] === 'function'
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}
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function isModule () { return this.kind === 'module' }
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function isMixin () { return this.kind === 'mixin' }
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function isPrivate () { return this.access === 'private' }
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function isProtected () { return this.access === 'protected' }
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/**
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True if there at least two top-level identifiers (i.e. globals or modules)
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@category returns boolean
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@returns {boolean}
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@static
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*/
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function showMainIndex (options) {
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return _orphans(options).length > 1
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}
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/**
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* Returns an array of the top-level elements which have no parents. Output only includes externals which have a description.
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* @returns {array}
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* @static
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* @category Returns list
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*/
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function _orphans (options) {
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options.hash.memberof = undefined
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return _identifiers(options).filter(function (identifier) {
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if (identifier.kind === 'external') {
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return identifier.description && identifier.description.length > 0
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} else {
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return true
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}
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})
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}
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/**
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* Returns an array of identifiers matching the query
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* @returns {array}
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* @static
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*/
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function _identifiers (options) {
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var query = {}
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for (var prop in options.hash) {
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if (/^-/.test(prop)) {
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query[prop.replace(/^-/, '!')] = options.hash[prop]
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} else if (/^_/.test(prop)) {
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query[prop.replace(/^_/, '')] = new RegExp(options.hash[prop])
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} else {
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query[prop] = options.hash[prop]
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}
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}
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return arrayify(options.data.root).filter(where(query)).filter(function (doclet) {
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return !doclet.ignore && (state.options.private ? true : doclet.access !== 'private')
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|
})
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|
}
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|
|
|
/**
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|
return the identifiers which are a `memberof` this one. Exclude externals without descriptions.
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|
@param [sortBy] {string} - "kind"
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|
@param [min] {number} - only returns if there are `min` children
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|
@this {identifier}
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|
@returns {identifier[]}
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|
@static
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|
*/
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|
function _children (options) {
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|
if (!this.id) return []
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|
var min = options.hash.min
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|
delete options.hash.min
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|
options.hash.memberof = this.id
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|
var output = _identifiers(options)
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|
output = output.filter(function (identifier) {
|
|
if (identifier.kind === 'external') {
|
|
return identifier.description && identifier.description.length > 0
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} else {
|
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return true
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|
}
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|
})
|
|
if (output.length >= (min || 0)) return output
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}
|
|
|
|
/**
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|
return a flat list containing all decendants
|
|
@param [sortBy] {string} - "kind"
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|
@param [min] {number} - only returns if there are `min` children
|
|
@this {identifier}
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|
@returns {identifier[]}
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|
@static
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|
*/
|
|
function descendants (options) {
|
|
var min = typeof options.hash.min !== 'undefined' ? options.hash.min : 2
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|
delete options.hash.min
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|
options.hash.memberof = this.id
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|
var output = []
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|
function iterate (childrenList) {
|
|
if (childrenList.length) {
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|
childrenList.forEach(function (child) {
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output.push(child)
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iterate(_children.call(child, options))
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})
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|
}
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|
}
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|
iterate(_children.call(this, options))
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|
if (output.length >= (min || 0)) return output
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|
}
|
|
|
|
/**
|
|
returns the exported identifier of this module
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|
@this {identifier} - only works on a module
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|
@returns {identifier}
|
|
@static
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|
*/
|
|
function exported (options) {
|
|
var exp = arrayify(options.data.root).find(where({ '!kind': 'module', id: this.id }))
|
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return exp || this
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|
}
|
|
|
|
/**
|
|
Returns an identifier matching the query
|
|
@static
|
|
*/
|
|
function _identifier (options) {
|
|
return _identifiers(options)[0]
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|
}
|
|
|
|
/**
|
|
Returns the parent
|
|
@static
|
|
*/
|
|
function parentObject (options) {
|
|
return arrayify(options.data.root).find(where({ id: this.memberof }))
|
|
}
|
|
|
|
/**
|
|
returns a unique ID string suitable for use as an `href`.
|
|
@this {identifier}
|
|
@returns {string}
|
|
@static
|
|
@category Returns string
|
|
@example
|
|
```js
|
|
> ddata.anchorName.call({ id: "module:yeah--Yeah()" })
|
|
'module_yeah--Yeah_new'
|
|
```
|
|
*/
|
|
function anchorName (options) {
|
|
if (!this.id) throw new Error('[anchorName helper] cannot create a link without a id: ' + JSON.stringify(this))
|
|
if (this.inherited) {
|
|
options.hash.id = this.inherits
|
|
var inherits = _identifier(options)
|
|
if (inherits) {
|
|
return anchorName.call(inherits, options)
|
|
} else {
|
|
return ''
|
|
}
|
|
}
|
|
return util.format(
|
|
'%s%s%s',
|
|
this.isExported ? 'exp_' : '',
|
|
this.kind === 'constructor' ? 'new_' : '',
|
|
this.id
|
|
.replace(/:/g, '_')
|
|
.replace(/~/g, '..')
|
|
.replace(/\(\)/g, '_new')
|
|
.replace(/#/g, '+')
|
|
)
|
|
}
|
|
|
|
/**
|
|
converts the supplied text to markdown
|
|
@static
|
|
@category Returns string
|
|
*/
|
|
function md (string, options) {
|
|
if (string) {
|
|
var result = marked(string).replace('lang-js', 'language-javascript')
|
|
return result
|
|
}
|
|
}
|
|
function md2 (options) {
|
|
return marked.inlineLexer(options.fn(this).toString(), [])
|
|
}
|
|
|
|
/**
|
|
Returns the method signature, e.g. `(options, [onComplete])`
|
|
@this {identifier}
|
|
@returns {string}
|
|
@category Returns string
|
|
@static
|
|
*/
|
|
function methodSig () {
|
|
return arrayify(this.params).filter(function (param) {
|
|
return param.name && !/\./.test(param.name)
|
|
}).map(function (param) {
|
|
if (param.variable) {
|
|
return param.optional ? '[...' + param.name + ']' : '...' + param.name
|
|
} else {
|
|
return param.optional ? '[' + param.name + ']' : param.name
|
|
}
|
|
}).join(', ')
|
|
}
|
|
|
|
/**
|
|
* extracts url and caption data from @link tags
|
|
* @param {string} - a string containing one or more {@link} tags
|
|
* @returns {Array.<{original: string, caption: string, url: string}>}
|
|
* @static
|
|
*/
|
|
function parseLink (text) {
|
|
if (!text) return ''
|
|
var results = []
|
|
var matches = null
|
|
var link1 = /{@link\s+([^\s}|]+?)\s*}/g // {@link someSymbol}
|
|
var link2 = /\[([^\]]+?)\]{@link\s+([^\s}|]+?)\s*}/g // [caption here]{@link someSymbol}
|
|
var link3 = /{@link\s+([^\s}|]+?)\s*\|([^}]+?)}/g // {@link someSymbol|caption here}
|
|
var link4 = /{@link\s+([^\s}|]+?)\s+([^}|]+?)}/g // {@link someSymbol Caption Here}
|
|
|
|
while ((matches = link4.exec(text)) !== null) {
|
|
results.push({
|
|
original: matches[0],
|
|
caption: matches[2],
|
|
url: matches[1]
|
|
})
|
|
text = text.replace(matches[0], ' '.repeat(matches[0].length))
|
|
}
|
|
|
|
while ((matches = link3.exec(text)) !== null) {
|
|
results.push({
|
|
original: matches[0],
|
|
caption: matches[2],
|
|
url: matches[1]
|
|
})
|
|
text = text.replace(matches[0], ' '.repeat(matches[0].length))
|
|
}
|
|
|
|
while ((matches = link2.exec(text)) !== null) {
|
|
results.push({
|
|
original: matches[0],
|
|
caption: matches[1],
|
|
url: matches[2]
|
|
})
|
|
text = text.replace(matches[0], ' '.repeat(matches[0].length))
|
|
}
|
|
|
|
while ((matches = link1.exec(text)) !== null) {
|
|
results.push({
|
|
original: matches[0],
|
|
caption: matches[1],
|
|
url: matches[1]
|
|
})
|
|
text = text.replace(matches[0], ' '.repeat(matches[0].length))
|
|
}
|
|
return results
|
|
}
|
|
|
|
/**
|
|
returns the parent name, instantiated if necessary
|
|
@this {identifier}
|
|
@returns {string}
|
|
@static
|
|
*/
|
|
function parentName (options) {
|
|
function instantiate (input) {
|
|
if (/^[A-Z]{3}/.test(input)) {
|
|
return input.replace(/^([A-Z]+)([A-Z])/, function (str, p1, p2) {
|
|
return p1.toLowerCase() + p2
|
|
})
|
|
} else {
|
|
return input.charAt(0).toLowerCase() + input.slice(1)
|
|
}
|
|
}
|
|
|
|
/* don't bother with a parentName for exported identifiers */
|
|
if (this.isExported) return ''
|
|
|
|
if (this.memberof && this.kind !== 'constructor') {
|
|
var parent = arrayify(options.data.root).find(where({ id: this.memberof }))
|
|
if (parent) {
|
|
if (this.scope === 'instance') {
|
|
var name = parent.typicalname || parent.name
|
|
return instantiate(name)
|
|
} else if (this.scope === 'static' && !(parent.kind === 'class' || parent.kind === 'constructor')) {
|
|
return parent.typicalname || parent.name
|
|
} else {
|
|
return parent.name
|
|
}
|
|
} else {
|
|
return this.memberof
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
returns a dmd option, e.g. "sort-by", "heading-depth" etc.
|
|
@static
|
|
*/
|
|
function option (name, options) {
|
|
return objectGet(options.data.root.options, name)
|
|
}
|
|
|
|
/**
|
|
@static
|
|
*/
|
|
function optionEquals (name, value, options) {
|
|
return options.data.root.options[name] === value
|
|
}
|
|
|
|
/**
|
|
@static
|
|
*/
|
|
function optionSet (name, value, options) {
|
|
options.data.root.options[name] = value
|
|
}
|
|
|
|
/**
|
|
@static
|
|
*/
|
|
function optionIsSet (name, options) {
|
|
return options.data.root.options[name] !== undefined
|
|
}
|
|
|
|
/**
|
|
@static
|
|
*/
|
|
function stripNewlines (input) {
|
|
if (input) return input.replace(/[\r\n]+/g, ' ')
|
|
}
|
|
|
|
/**
|
|
@static
|
|
*/
|
|
function headingDepth (options) {
|
|
return options.data.root.options._depth + (options.data.root.options['heading-depth'])
|
|
}
|
|
|
|
/**
|
|
@static
|
|
*/
|
|
function depth (options) {
|
|
return options.data.root.options._depth
|
|
}
|
|
|
|
/**
|
|
@static
|
|
*/
|
|
function depthIncrement (options) {
|
|
options.data.root.options._depth++
|
|
}
|
|
|
|
/**
|
|
@static
|
|
*/
|
|
function depthDecrement (options) {
|
|
options.data.root.options._depth--
|
|
}
|
|
|
|
/**
|
|
@static
|
|
*/
|
|
function indexDepth (options) {
|
|
return options.data.root.options._indexDepth
|
|
}
|
|
|
|
/**
|
|
@static
|
|
*/
|
|
function indexDepthIncrement (options) {
|
|
options.data.root.options._indexDepth++
|
|
}
|
|
|
|
/**
|
|
@static
|
|
*/
|
|
function indexDepthDecrement (options) {
|
|
options.data.root.options._indexDepth--
|
|
}
|