require=(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o} elements The elements from the document * @property {Array} features The features from the document * @property {Array} behaviors The behaviors from the document */ /** * The metadata of an entire HTML document, in promises. * @typedef {Object} AnalyzedDocument * @memberof hydrolysis * @property {string} href The url of the document. * @property {Promise} htmlLoaded The parsed representation of * the doc. Use the `ast` property to get the full `parse5` ast * * @property {Promise>} depsLoaded Resolves to the list of this * Document's transitive import dependencies * * @property {Array} depHrefs The direct dependencies of the document. * * @property {Promise} metadataLoaded Resolves to the list of * this Document's import dependencies */ /** * A database of Polymer metadata defined in HTML * * @constructor * @memberOf hydrolysis * @param {boolean} attachAST If true, attach a parse5 compliant AST * @param {FileLoader=} loader An optional `FileLoader` used to load external * resources */ var Analyzer = function Analyzer(attachAST, loader) { this.loader = loader; /** * A list of all elements the `Analyzer` has metadata for. * @member {Array.} */ this.elements = []; /** * A view into `elements`, keyed by tag name. * @member {Object.} */ this.elementsByTagName = {}; /** * A list of API features added to `Polymer.Base` encountered by the * analyzer. * @member {Array} */ this.features = []; /** * The behaviors collected by the analysis pass. * * @member {Array} */ this.behaviors = []; /** * The behaviors collected by the analysis pass by name. * * @member {Object} */ this.behaviorsByName = {}; /** * A map, keyed by absolute path, of Document metadata. * @member {Object} */ this.html = {}; /** * A map, keyed by path, of HTML document ASTs. * @type {Object} */ this.parsedDocuments = {}; /** * A map, keyed by path, of JS script ASTs. * * If the path is an HTML file with multiple scripts, the entry will be an array of scripts. * * @type {Object>} */ this.parsedScripts = {}; /** * A map, keyed by path, of document content. * @type {Object} */ this._content = {}; }; /** * Options for `Analyzer.analzye` * @typedef {Object} LoadOptions * @memberof hydrolysis * @property {boolean} noAnnotations Whether `annotate()` should be skipped. * @property {boolean} clean Whether the generated descriptors should be cleaned * of redundant data. * @property {function(string): boolean} filter A predicate function that * indicates which files should be ignored by the loader. By default all * files not located under the dirname of `href` will be ignored. */ /** * Shorthand for transitively loading and processing all imports beginning at * `href`. * * In order to properly filter paths, `href` _must_ be an absolute URI. * * @param {string} href The root import to begin loading from. * @param {LoadOptions=} options Any additional options for the load. * @return {Promise} A promise that will resolve once `href` and its * dependencies have been loaded and analyzed. */ Analyzer.analyze = function analyze(href, options) { options = options || {}; options.filter = options.filter || _defaultFilter(href); var loader = new FileLoader(); var PrimaryResolver = typeof window === 'undefined' ? require('./loader/fs-resolver') : require('./loader/xhr-resolver'); loader.addResolver(new PrimaryResolver(options)); loader.addResolver(new NoopResolver({test: options.filter})); var analyzer = new this(null, loader); return analyzer.metadataTree(href).then(function(root) { if (!options.noAnnotations) { analyzer.annotate(); } if (options.clean) { analyzer.clean(); } return Promise.resolve(analyzer); }); }; /** * @private * @param {string} href * @return {function(string): boolean} */ function _defaultFilter(href) { // Everything up to the last `/` or `\`. var base = href.match(/^(.*?)[^\/\\]*$/)[1]; return function(uri) { return uri.indexOf(base) !== 0; }; } Analyzer.prototype.load = function load(href) { return this.loader.request(href).then(function(content) { return new Promise(function(resolve, reject) { setTimeout(function() { this._content[href] = content; resolve(this._parseHTML(content, href)); }.bind(this), 0); }.bind(this)).catch(function(err){ console.error("Error processing document at " + href); throw err; }); }.bind(this)); }; /** * Returns an `AnalyzedDocument` representing the provided document * @private * @param {string} htmlImport Raw text of an HTML document * @param {string} href The document's URL. * @return {AnalyzedDocument} An `AnalyzedDocument` */ Analyzer.prototype._parseHTML = function _parseHTML(htmlImport, href) { if (href in this.html) { return this.html[href]; } var depsLoaded = []; var depHrefs = []; var metadataLoaded = Promise.resolve(EMPTY_METADATA); var parsed; try { parsed = importParse(htmlImport, href); } catch (err) { console.error('Error parsing!'); throw err; } var htmlLoaded = Promise.resolve(parsed); if (parsed.script) { metadataLoaded = this._processScripts(parsed.script, href); } var commentText = parsed.comment.map(function(comment){ return dom5.getTextContent(comment); }); var pseudoElements = docs.parsePseudoElements(commentText); pseudoElements.forEach(function(element){ element.contentHref = href; this.elements.push(element); this.elementsByTagName[element.is] = element; }.bind(this)); metadataLoaded = metadataLoaded.then(function(metadata){ var metadataEntry = { elements: pseudoElements, features: [], behaviors: [] }; return [metadata, metadataEntry].reduce(reduceMetadata); }); depsLoaded.push(metadataLoaded); if (this.loader) { var baseUri = href; if (parsed.base.length > 1) { console.error("Only one base tag per document!"); throw "Multiple base tags in " + href; } else if (parsed.base.length == 1) { var baseHref = dom5.getAttribute(parsed.base[0], "href"); if (baseHref) { baseHref = baseHref + "/"; baseUri = url.resolve(baseUri, baseHref); } } parsed.import.forEach(function(link) { var linkurl = dom5.getAttribute(link, 'href'); if (linkurl) { var resolvedUrl = url.resolve(baseUri, linkurl); depHrefs.push(resolvedUrl); depsLoaded.push(this._dependenciesLoadedFor(resolvedUrl, href)); } }.bind(this)); parsed.style.forEach(function(styleElement) { if (polymerExternalStyle(styleElement)) { var styleHref = dom5.getAttribute(styleElement, 'href'); if (href) { styleHref = url.resolve(baseUri, styleHref); depsLoaded.push(this.loader.request(styleHref).then(function(content){ this._content[styleHref] = content; }.bind(this))); } } }.bind(this)); } depsLoaded = Promise.all(depsLoaded) .then(function() {return depHrefs;}) .catch(function(err) {throw err;}); this.parsedDocuments[href] = parsed.ast; this.html[href] = { href: href, htmlLoaded: htmlLoaded, metadataLoaded: metadataLoaded, depHrefs: depHrefs, depsLoaded: depsLoaded }; return this.html[href]; }; Analyzer.prototype._processScripts = function _processScripts(scripts, href) { var scriptPromises = []; scripts.forEach(function(script) { scriptPromises.push(this._processScript(script, href)); }.bind(this)); return Promise.all(scriptPromises).then(function(metadataList) { return metadataList.reduce(reduceMetadata, EMPTY_METADATA); }); }; Analyzer.prototype._processScript = function _processScript(script, href) { var src = dom5.getAttribute(script, 'src'); var parsedJs; if (!src) { try { parsedJs = jsParse((script.childNodes.length) ? script.childNodes[0].value : ''); } catch (err) { // Figure out the correct line number for the error. var line = 0; var col = 0; if (script.__ownerDocument && script.__ownerDocument == href) { line = script.__locationDetail.line - 1; col = script.__locationDetail.line - 1; } line += err.lineNumber; col += err.column; var message = "Error parsing script in " + href + " at " + line + ":" + col; message += "\n" + err.description; return Promise.reject(new Error(message)); } if (parsedJs.elements) { parsedJs.elements.forEach(function(element) { element.scriptElement = script; element.contentHref = href; this.elements.push(element); if (element.is in this.elementsByTagName) { console.warn('Ignoring duplicate element definition: ' + element.is); } else { this.elementsByTagName[element.is] = element; } }.bind(this)); } if (parsedJs.features) { parsedJs.features.forEach(function(feature){ feature.contentHref = href; feature.scriptElement = script; }); this.features = this.features.concat(parsedJs.features); } if (parsedJs.behaviors) { parsedJs.behaviors.forEach(function(behavior){ behavior.contentHref = href; this.behaviorsByName[behavior.is] = behavior; this.behaviorsByName[behavior.symbol] = behavior; }.bind(this)); this.behaviors = this.behaviors.concat(parsedJs.behaviors); } if (!Object.hasOwnProperty.call(this.parsedScripts, href)) { this.parsedScripts[href] = []; } var scriptElement; if (script.__ownerDocument && script.__ownerDocument == href) { scriptElement = script; } this.parsedScripts[href].push({ ast: parsedJs.parsedScript, scriptElement: scriptElement }); return parsedJs; } if (this.loader) { var resolvedSrc = url.resolve(href, src); return this.loader.request(resolvedSrc).then(function(content) { this._content[resolvedSrc] = content; var resolvedScript = Object.create(script); resolvedScript.childNodes = [{value: content}]; resolvedScript.attrs = resolvedScript.attrs.slice(); dom5.removeAttribute(resolvedScript, 'src'); return this._processScript(resolvedScript, resolvedSrc); }.bind(this)).catch(function(err) {throw err;}); } else { return Promise.resolve(EMPTY_METADATA); } }; Analyzer.prototype._dependenciesLoadedFor = function _dependenciesLoadedFor(href, root) { var found = {}; if (root !== undefined) { found[root] = true; } return this._getDependencies(href, found).then(function(deps) { var depMetadataLoaded = []; var depPromises = deps.map(function(depHref){ return this.load(depHref).then(function(htmlMonomer) { return htmlMonomer.metadataLoaded; }); }.bind(this)); return Promise.all(depPromises); }.bind(this)); }; /** * List all the html dependencies for the document at `href`. * @param {string} href The href to get dependencies for. * @param {Object.=} found An object keyed by URL of the * already resolved dependencies. * @param {boolean=} transitive Whether to load transitive * dependencies. Defaults to true. * @return {Array.} A list of all the html dependencies. */ Analyzer.prototype._getDependencies = function _getDependencies(href, found, transitive) { if (found === undefined) { found = {}; found[href] = true; } if (transitive === undefined) { transitive = true; } var deps = []; return this.load(href).then(function(htmlMonomer) { var transitiveDeps = []; htmlMonomer.depHrefs.forEach(function(depHref){ if (found[depHref]) { return; } deps.push(depHref); found[depHref] = true; if (transitive) { transitiveDeps.push(this._getDependencies(depHref, found)); } }.bind(this)); return Promise.all(transitiveDeps); }.bind(this)).then(function(transitiveDeps) { var alldeps = transitiveDeps.reduce(function(a, b) { return a.concat(b); }, []).concat(deps); return alldeps; }); }; function matchesDocumentFolder(descriptor, href) { if (!descriptor.contentHref) { return false; } var descriptorDoc = url.parse(descriptor.contentHref); if (!descriptorDoc || !descriptorDoc.pathname) { return false; } var searchDoc = url.parse(href); if (!searchDoc || !searchDoc.pathname) { return false; } var searchPath = searchDoc.pathname; var lastSlash = searchPath.lastIndexOf("/"); if (lastSlash > 0) { searchPath = searchPath.slice(0, lastSlash); } return descriptorDoc.pathname.indexOf(searchPath) === 0; } Analyzer.prototype.elementsForFolder = function elementsForFolder(href) { return this.elements.filter(function(element){ return matchesDocumentFolder(element, href); }); }; Analyzer.prototype.behaviorsForFolder = function behaviorsForFolder(href) { return this.behaviors.filter(function(behavior){ return matchesDocumentFolder(behavior, href); }); }; /** * Returns a promise that resolves to a POJO representation of the import * tree, in a format that maintains the ordering of the HTML imports spec. * @param {string} href the import to get metadata for. * @return {Promise} */ Analyzer.prototype.metadataTree = function metadataTree(href) { return this.load(href).then(function(monomer){ var loadedHrefs = {}; loadedHrefs[href] = true; return this._metadataTree(monomer, loadedHrefs); }.bind(this)); }; Analyzer.prototype._metadataTree = function _metadataTree(htmlMonomer, loadedHrefs) { if (loadedHrefs === undefined) { loadedHrefs = {}; } return htmlMonomer.metadataLoaded.then(function(metadata) { metadata = { elements: metadata.elements, features: metadata.features, href: htmlMonomer.href }; return htmlMonomer.depsLoaded.then(function(hrefs) { var depMetadata = []; hrefs.forEach(function(href) { var metadataPromise = Promise.resolve(true); if (depMetadata.length > 0) { metadataPromise = depMetadata[depMetadata.length - 1]; } metadataPromise = metadataPromise.then(function() { if (!loadedHrefs[href]) { loadedHrefs[href] = true; return this._metadataTree(this.html[href], loadedHrefs); } else { return Promise.resolve({}); } }.bind(this)); depMetadata.push(metadataPromise); }.bind(this)); return Promise.all(depMetadata).then(function(importMetadata) { metadata.imports = importMetadata; return htmlMonomer.htmlLoaded.then(function(parsedHtml) { metadata.html = parsedHtml; if (metadata.elements) { metadata.elements.forEach(function(element) { attachDomModule(parsedHtml, element); }); } return metadata; }); }); }.bind(this)); }.bind(this)); }; function matchingImport(importElement) { var matchesTag = dom5.predicates.hasTagName(importElement.tagName); var matchesHref = dom5.predicates.hasAttrValue('href', dom5.getAttribute(importElement, 'href')); var matchesRel = dom5.predicates.hasAttrValue('rel', dom5.getAttribute(importElement, 'rel')); return dom5.predicates.AND(matchesTag, matchesHref, matchesRel); } // TODO(ajo): Refactor out of vulcanize into dom5. var polymerExternalStyle = dom5.predicates.AND( dom5.predicates.hasTagName('link'), dom5.predicates.hasAttrValue('rel', 'import'), dom5.predicates.hasAttrValue('type', 'css') ); var externalScript = dom5.predicates.AND( dom5.predicates.hasTagName('script'), dom5.predicates.hasAttr('src') ); var isHtmlImportNode = dom5.predicates.AND( dom5.predicates.hasTagName('link'), dom5.predicates.hasAttrValue('rel', 'import'), dom5.predicates.NOT( dom5.predicates.hasAttrValue('type', 'css') ) ); Analyzer.prototype._inlineStyles = function _inlineStyles(ast, href) { var cssLinks = dom5.queryAll(ast, polymerExternalStyle); cssLinks.forEach(function(link) { var linkHref = dom5.getAttribute(link, 'href'); var uri = url.resolve(href, linkHref); var content = this._content[uri]; var style = dom5.constructors.element('style'); dom5.setTextContent(style, '\n' + content + '\n'); dom5.replace(link, style); }.bind(this)); return cssLinks.length > 0; }; Analyzer.prototype._inlineScripts = function _inlineScripts(ast, href) { var scripts = dom5.queryAll(ast, externalScript); scripts.forEach(function(script) { var scriptHref = dom5.getAttribute(script, 'src'); var uri = url.resolve(href, scriptHref); var content = this._content[uri]; var inlined = dom5.constructors.element('script'); dom5.setTextContent(inlined, '\n' + content + '\n'); dom5.replace(script, inlined); }.bind(this)); return scripts.length > 0; }; Analyzer.prototype._inlineImports = function _inlineImports(ast, href, loaded) { var imports = dom5.queryAll(ast, isHtmlImportNode); imports.forEach(function(htmlImport) { var importHref = dom5.getAttribute(htmlImport, 'href'); var uri = url.resolve(href, importHref); if (loaded[uri]) { dom5.remove(htmlImport); return; } var content = this.getLoadedAst(uri, loaded); dom5.replace(htmlImport, content); }.bind(this)); return imports.length > 0; }; /** * Returns a promise resolving to a form of the AST with all links replaced * with the document they link to. .css and .script files become <style> and * <script>, respectively. * * The elements in the loaded document are unmodified from their original * documents. * * @param {string} href The document to load. * @param {Object.=} loaded An object keyed by already loaded documents. * @return {Promise.} */ Analyzer.prototype.getLoadedAst = function getLoadedAst(href, loaded) { if (!loaded) { loaded = {}; } loaded[href] = true; var parsedDocument = this.parsedDocuments[href]; var analyzedDocument = this.html[href]; var astCopy = dom5.parse(dom5.serialize(parsedDocument)); // Whenever we inline something, reset inlined to true to know that anoather // inlining pass is needed; this._inlineStyles(astCopy, href); this._inlineScripts(astCopy, href); this._inlineImports(astCopy, href, loaded); return astCopy; }; /** * Calls `dom5.nodeWalkAll` on each document that `Anayzler` has laoded. * @param {Object} predicate A dom5 predicate. * @return {Object} */ Analyzer.prototype.nodeWalkDocuments = function nodeWalkDocuments(predicate) { for (var href in this.parsedDocuments) { var match = dom5.nodeWalk(this.parsedDocuments[href], predicate); if (match) { return match; } } return null; }; /** * Calls `dom5.nodeWalkAll` on each document that `Anayzler` has laoded. * @param {Object} predicate A dom5 predicate. * @return {Object} */ Analyzer.prototype.nodeWalkAllDocuments = function nodeWalkDocuments(predicate) { var results = []; for (var href in this.parsedDocuments) { var newNodes = dom5.nodeWalkAll(this.parsedDocuments[href], predicate); results = results.concat(newNodes); } return results; }; /** Annotates all loaded metadata with its documentation. */ Analyzer.prototype.annotate = function annotate() { if (this.features.length > 0) { var featureEl = docs.featureElement(this.features); this.elements.unshift(featureEl); this.elementsByTagName[featureEl.is] = featureEl; } var behaviorsByName = this.behaviorsByName; var elementHelper = function(descriptor){ docs.annotateElement(descriptor, behaviorsByName); }; this.elements.forEach(elementHelper); this.behaviors.forEach(elementHelper); // Same shape. this.behaviors.forEach(function(behavior){ if (behavior.is !== behavior.symbol && behavior.symbol) { this.behaviorsByName[behavior.symbol] = undefined; } }.bind(this)); }; function attachDomModule(parsedImport, element) { var domModules = parsedImport['dom-module']; for (var i = 0, domModule; i < domModules.length; i++) { domModule = domModules[i]; if (dom5.getAttribute(domModule, 'id') === element.is) { element.domModule = domModule; return; } } } /** Removes redundant properties from the collected descriptors. */ Analyzer.prototype.clean = function clean() { this.elements.forEach(docs.cleanElement); }; module.exports = Analyzer; }).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) //# 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* @license\n * Copyright (c) 2015 The Polymer Project Authors. All rights reserved.\n * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt\n * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt\n * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt\n * Code distributed by Google as part of the polymer project is also\n * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt\n */\n// jshint node: true\n'use strict';\n// jshint -W079\nvar Promise = global.Promise || require('es6-promise').Promise;\n// jshint +W079\n\nvar dom5 = require('dom5');\nvar url = require('url');\n\nvar docs = require('./ast-utils/docs');\nvar FileLoader = require('./loader/file-loader');\nvar importParse = require('./ast-utils/import-parse');\nvar jsParse = require('./ast-utils/js-parse');\nvar NoopResolver = require('./loader/noop-resolver');\n\nfunction reduceMetadata(m1, m2) {\n  return {\n    elements:  m1.elements.concat(m2.elements),\n    features:  m1.features.concat(m2.features),\n    behaviors: m1.behaviors.concat(m2.behaviors),\n  };\n}\n\nvar EMPTY_METADATA = {elements: [], features: [], behaviors: []};\n\n/**\n * Parse5's representation of a parsed html document\n * @typedef {Object} DocumentAST\n * @memberof hydrolysis\n */\n\n/**\n * espree's representation of a parsed html document\n * @typedef {Object} JSAST\n * @memberof hydrolysis\n */\n\n/**\n * Package of a parsed JS script\n * @typedef {Object} ParsedJS\n * @property {JSAST} ast The script's AST\n * @property {DocumentAST} scriptElement If inline, the script's containing tag.\n * @memberof hydrolysis\n */\n\n/**\n * The metadata for a single polymer element\n * @typedef {Object} ElementDescriptor\n * @memberof hydrolysis\n */\n\n/**\n * The metadata for a Polymer feature.\n * @typedef {Object} FeatureDescriptor\n * @memberof hydrolysis\n */\n\n/**\n * The metadata for a Polymer behavior mixin.\n * @typedef {Object} BehaviorDescriptor\n * @memberof hydrolysis\n */\n\n/**\n * The metadata for all features and elements defined in one document\n * @typedef {Object} DocumentDescriptor\n * @memberof hydrolysis\n * @property {Array<ElementDescriptor>} elements The elements from the document\n * @property {Array<FeatureDescriptor>}  features The features from the document\n * @property {Array<FeatureDescriptor>}  behaviors The behaviors from the document\n */\n\n/**\n * The metadata of an entire HTML document, in promises.\n * @typedef {Object} AnalyzedDocument\n * @memberof hydrolysis\n * @property {string} href The url of the document.\n * @property {Promise<ParsedImport>}  htmlLoaded The parsed representation of\n *     the doc. Use the `ast` property to get the full `parse5` ast\n *\n * @property {Promise<Array<string>>} depsLoaded Resolves to the list of this\n *     Document's transitive import dependencies\n *\n * @property {Array<string>} depHrefs The direct dependencies of the document.\n *\n * @property {Promise<DocumentDescriptor>} metadataLoaded Resolves to the list of\n *     this Document's import dependencies\n */\n\n/**\n * A database of Polymer metadata defined in HTML\n *\n * @constructor\n * @memberOf hydrolysis\n * @param  {boolean} attachAST  If true, attach a parse5 compliant AST\n * @param  {FileLoader=} loader An optional `FileLoader` used to load external\n *                              resources\n */\nvar Analyzer = function Analyzer(attachAST,\n                                 loader) {\n  this.loader = loader;\n\n  /**\n   * A list of all elements the `Analyzer` has metadata for.\n   * @member {Array.<ElementDescriptor>}\n   */\n  this.elements = [];\n\n  /**\n   * A view into `elements`, keyed by tag name.\n   * @member {Object.<string,ElementDescriptor>}\n   */\n  this.elementsByTagName = {};\n\n  /**\n   * A list of API features added to `Polymer.Base` encountered by the\n   * analyzer.\n   * @member {Array<FeatureDescriptor>}\n   */\n  this.features = [];\n\n  /**\n   * The behaviors collected by the analysis pass.\n   *\n   * @member {Array<BehaviorDescriptor>}\n   */\n  this.behaviors = [];\n\n  /**\n   * The behaviors collected by the analysis pass by name.\n   *\n   * @member {Object<string,BehaviorDescriptor>}\n   */\n  this.behaviorsByName = {};\n\n  /**\n   * A map, keyed by absolute path, of Document metadata.\n   * @member {Object<string,AnalyzedDocument>}\n   */\n  this.html = {};\n\n  /**\n   * A map, keyed by path, of HTML document ASTs.\n   * @type {Object}\n   */\n  this.parsedDocuments = {};\n\n  /**\n   * A map, keyed by path, of JS script ASTs.\n   *\n   * If the path is an HTML file with multiple scripts, the entry will be an array of scripts.\n   *\n   * @type {Object<string,Array<ParsedJS>>}\n   */\n  this.parsedScripts = {};\n\n  \n\n  /**\n   * A map, keyed by path, of document content.\n   * @type {Object}\n   */\n  this._content = {};\n};\n\n/**\n * Options for `Analyzer.analzye`\n * @typedef {Object} LoadOptions\n * @memberof hydrolysis\n * @property {boolean} noAnnotations Whether `annotate()` should be skipped.\n * @property {boolean} clean Whether the generated descriptors should be cleaned\n *     of redundant data.\n * @property {function(string): boolean} filter A predicate function that\n *     indicates which files should be ignored by the loader. By default all\n *     files not located under the dirname of `href` will be ignored.\n */\n\n/**\n * Shorthand for transitively loading and processing all imports beginning at\n * `href`.\n *\n * In order to properly filter paths, `href` _must_ be an absolute URI.\n *\n * @param {string} href The root import to begin loading from.\n * @param {LoadOptions=} options Any additional options for the load.\n * @return {Promise<Analyzer>} A promise that will resolve once `href` and its\n *     dependencies have been loaded and analyzed.\n */\nAnalyzer.analyze = function analyze(href, options) {\n  options = options || {};\n  options.filter = options.filter || _defaultFilter(href);\n\n  var loader = new FileLoader();\n  var PrimaryResolver = typeof window === 'undefined' ?\n                        require('./loader/fs-resolver') :\n                        require('./loader/xhr-resolver');\n  loader.addResolver(new PrimaryResolver(options));\n  loader.addResolver(new NoopResolver({test: options.filter}));\n\n  var analyzer = new this(null, loader);\n  return analyzer.metadataTree(href).then(function(root) {\n    if (!options.noAnnotations) {\n      analyzer.annotate();\n    }\n    if (options.clean) {\n      analyzer.clean();\n    }\n    return Promise.resolve(analyzer);\n  });\n};\n\n/**\n * @private\n * @param {string} href\n * @return {function(string): boolean}\n */\nfunction _defaultFilter(href) {\n  // Everything up to the last `/` or `\\`.\n  var base = href.match(/^(.*?)[^\\/\\\\]*$/)[1];\n  return function(uri) {\n    return uri.indexOf(base) !== 0;\n  };\n}\n\nAnalyzer.prototype.load = function load(href) {\n  return this.loader.request(href).then(function(content) {\n    return new Promise(function(resolve, reject) {\n      setTimeout(function() {\n        this._content[href] = content;\n        resolve(this._parseHTML(content, href));\n      }.bind(this), 0);\n    }.bind(this)).catch(function(err){\n      console.error(\"Error processing document at \" + href);\n      throw err;\n    });\n  }.bind(this));\n};\n\n/**\n * Returns an `AnalyzedDocument` representing the provided document\n * @private\n * @param  {string} htmlImport Raw text of an HTML document\n * @param  {string} href       The document's URL.\n * @return {AnalyzedDocument}       An  `AnalyzedDocument`\n */\nAnalyzer.prototype._parseHTML = function _parseHTML(htmlImport,\n                                                  href) {\n  if (href in this.html) {\n    return this.html[href];\n  }\n  var depsLoaded = [];\n  var depHrefs = [];\n  var metadataLoaded = Promise.resolve(EMPTY_METADATA);\n  var parsed;\n  try {\n    parsed = importParse(htmlImport, href);\n  } catch (err) {\n    console.error('Error parsing!');\n    throw err;\n  }\n  var htmlLoaded = Promise.resolve(parsed);\n  if (parsed.script) {\n    metadataLoaded = this._processScripts(parsed.script, href);\n  }\n  var commentText = parsed.comment.map(function(comment){\n    return dom5.getTextContent(comment);\n  });\n  var pseudoElements = docs.parsePseudoElements(commentText);\n  pseudoElements.forEach(function(element){\n    element.contentHref = href;\n    this.elements.push(element);\n    this.elementsByTagName[element.is] = element;\n  }.bind(this));\n  metadataLoaded = metadataLoaded.then(function(metadata){\n    var metadataEntry = {\n      elements: pseudoElements,\n      features: [],\n      behaviors: []\n    };\n    return [metadata, metadataEntry].reduce(reduceMetadata);\n  });\n  depsLoaded.push(metadataLoaded);\n\n\n  if (this.loader) {\n    var baseUri = href;\n    if (parsed.base.length > 1) {\n      console.error(\"Only one base tag per document!\");\n      throw \"Multiple base tags in \" + href;\n    } else if (parsed.base.length == 1) {\n      var baseHref = dom5.getAttribute(parsed.base[0], \"href\");\n      if (baseHref) {\n        baseHref = baseHref + \"/\";\n        baseUri = url.resolve(baseUri, baseHref);\n      }\n    }\n    parsed.import.forEach(function(link) {\n      var linkurl = dom5.getAttribute(link, 'href');\n      if (linkurl) {\n        var resolvedUrl = url.resolve(baseUri, linkurl);\n        depHrefs.push(resolvedUrl);\n        depsLoaded.push(this._dependenciesLoadedFor(resolvedUrl, href));\n      }\n    }.bind(this));\n    parsed.style.forEach(function(styleElement) {\n      if (polymerExternalStyle(styleElement)) {\n        var styleHref = dom5.getAttribute(styleElement, 'href');\n        if (href) {\n          styleHref = url.resolve(baseUri, styleHref);\n          depsLoaded.push(this.loader.request(styleHref).then(function(content){\n            this._content[styleHref] = content;\n          }.bind(this)));\n        }\n      }\n    }.bind(this));\n  }\n  depsLoaded = Promise.all(depsLoaded)\n        .then(function() {return depHrefs;})\n        .catch(function(err) {throw err;});\n  this.parsedDocuments[href] = parsed.ast;\n  this.html[href] = {\n      href: href,\n      htmlLoaded: htmlLoaded,\n      metadataLoaded: metadataLoaded,\n      depHrefs: depHrefs,\n      depsLoaded: depsLoaded\n  };\n  return this.html[href];\n};\n\nAnalyzer.prototype._processScripts = function _processScripts(scripts, href) {\n  var scriptPromises = [];\n  scripts.forEach(function(script) {\n    scriptPromises.push(this._processScript(script, href));\n  }.bind(this));\n  return Promise.all(scriptPromises).then(function(metadataList) {\n    return metadataList.reduce(reduceMetadata, EMPTY_METADATA);\n  });\n};\n\nAnalyzer.prototype._processScript = function _processScript(script, href) {\n  var src = dom5.getAttribute(script, 'src');\n  var parsedJs;\n  if (!src) {\n    try {\n      parsedJs = jsParse((script.childNodes.length) ? script.childNodes[0].value : '');\n    } catch (err) {\n      // Figure out the correct line number for the error.\n      var line = 0;\n      var col = 0;\n      if (script.__ownerDocument && script.__ownerDocument == href) {\n        line = script.__locationDetail.line - 1;\n        col = script.__locationDetail.line - 1;\n      }\n      line += err.lineNumber;\n      col += err.column;\n      var message = \"Error parsing script in \" + href + \" at \" + line + \":\" + col;\n      message += \"\\n\" + err.description;\n      return Promise.reject(new Error(message));\n    }\n    if (parsedJs.elements) {\n      parsedJs.elements.forEach(function(element) {\n        element.scriptElement = script;\n        element.contentHref = href;\n        this.elements.push(element);\n        if (element.is in this.elementsByTagName) {\n          console.warn('Ignoring duplicate element definition: ' + element.is);\n        } else {\n          this.elementsByTagName[element.is] = element;\n        }\n      }.bind(this));\n    }\n    if (parsedJs.features) {\n      parsedJs.features.forEach(function(feature){\n        feature.contentHref = href;\n        feature.scriptElement = script;\n      });\n      this.features = this.features.concat(parsedJs.features);\n    }\n    if (parsedJs.behaviors) {\n      parsedJs.behaviors.forEach(function(behavior){\n        behavior.contentHref = href;\n        this.behaviorsByName[behavior.is] = behavior;\n        this.behaviorsByName[behavior.symbol] = behavior;\n      }.bind(this));\n      this.behaviors = this.behaviors.concat(parsedJs.behaviors);\n    }\n    if (!Object.hasOwnProperty.call(this.parsedScripts, href)) {\n      this.parsedScripts[href] = [];\n    }\n    var scriptElement;\n    if (script.__ownerDocument && script.__ownerDocument == href) {\n      scriptElement = script;\n    }\n    this.parsedScripts[href].push({\n      ast: parsedJs.parsedScript,\n      scriptElement: scriptElement\n    });\n    return parsedJs;\n  }\n  if (this.loader) {\n    var resolvedSrc = url.resolve(href, src);\n    return this.loader.request(resolvedSrc).then(function(content) {\n      this._content[resolvedSrc] = content;\n      var resolvedScript = Object.create(script);\n      resolvedScript.childNodes = [{value: content}];\n      resolvedScript.attrs = resolvedScript.attrs.slice();\n      dom5.removeAttribute(resolvedScript, 'src');\n      return this._processScript(resolvedScript, resolvedSrc);\n    }.bind(this)).catch(function(err) {throw err;});\n  } else {\n    return Promise.resolve(EMPTY_METADATA);\n  }\n};\n\nAnalyzer.prototype._dependenciesLoadedFor = function _dependenciesLoadedFor(href, root) {\n  var found = {};\n  if (root !== undefined) {\n    found[root] = true;\n  }\n  return this._getDependencies(href, found).then(function(deps) {\n    var depMetadataLoaded = [];\n    var depPromises = deps.map(function(depHref){\n      return this.load(depHref).then(function(htmlMonomer) {\n        return htmlMonomer.metadataLoaded;\n      });\n    }.bind(this));\n    return Promise.all(depPromises);\n  }.bind(this));\n};\n\n/**\n * List all the html dependencies for the document at `href`.\n * @param  {string}                   href      The href to get dependencies for.\n * @param  {Object.<string,boolean>=} found     An object keyed by URL of the\n *     already resolved dependencies.\n * @param  {boolean=}                transitive Whether to load transitive\n *     dependencies. Defaults to true.\n * @return {Array.<string>}  A list of all the html dependencies.\n */\nAnalyzer.prototype._getDependencies = function _getDependencies(href, found, transitive) {\n  if (found === undefined) {\n    found = {};\n    found[href] = true;\n  }\n  if (transitive === undefined) {\n    transitive = true;\n  }\n  var deps = [];\n  return this.load(href).then(function(htmlMonomer) {\n    var transitiveDeps = [];\n    htmlMonomer.depHrefs.forEach(function(depHref){\n      if (found[depHref]) {\n        return;\n      }\n      deps.push(depHref);\n      found[depHref] = true;\n      if (transitive) {\n        transitiveDeps.push(this._getDependencies(depHref, found));\n      }\n    }.bind(this));\n    return Promise.all(transitiveDeps);\n  }.bind(this)).then(function(transitiveDeps) {\n    var alldeps = transitiveDeps.reduce(function(a, b) {\n      return a.concat(b);\n    }, []).concat(deps);\n    return alldeps;\n  });\n};\n\nfunction matchesDocumentFolder(descriptor, href) {\n  if (!descriptor.contentHref) {\n    return false;\n  }\n  var descriptorDoc = url.parse(descriptor.contentHref);\n  if (!descriptorDoc || !descriptorDoc.pathname) {\n    return false;\n  }\n  var searchDoc = url.parse(href);\n  if (!searchDoc || !searchDoc.pathname) {\n    return false;\n  }\n  var searchPath = searchDoc.pathname;\n  var lastSlash = searchPath.lastIndexOf(\"/\");\n  if (lastSlash > 0) {\n    searchPath = searchPath.slice(0, lastSlash);\n  }\n  return descriptorDoc.pathname.indexOf(searchPath) === 0;\n}\n\nAnalyzer.prototype.elementsForFolder = function elementsForFolder(href) {\n  return this.elements.filter(function(element){\n    return matchesDocumentFolder(element, href);\n  });\n};\n\nAnalyzer.prototype.behaviorsForFolder = function behaviorsForFolder(href) {\n  return this.behaviors.filter(function(behavior){\n    return matchesDocumentFolder(behavior, href);\n  });\n};\n\n/**\n * Returns a promise that resolves to a POJO representation of the import\n * tree, in a format that maintains the ordering of the HTML imports spec.\n * @param {string} href the import to get metadata for.\n * @return {Promise}\n */\nAnalyzer.prototype.metadataTree = function metadataTree(href) {\n  return this.load(href).then(function(monomer){\n    var loadedHrefs = {};\n    loadedHrefs[href] = true;\n    return this._metadataTree(monomer, loadedHrefs);\n  }.bind(this));\n};\n\nAnalyzer.prototype._metadataTree = function _metadataTree(htmlMonomer,\n                                                          loadedHrefs) {\n  if (loadedHrefs === undefined) {\n    loadedHrefs = {};\n  }\n  return htmlMonomer.metadataLoaded.then(function(metadata) {\n    metadata = {\n      elements: metadata.elements,\n      features: metadata.features,\n      href: htmlMonomer.href\n    };\n    return htmlMonomer.depsLoaded.then(function(hrefs) {\n      var depMetadata = [];\n      hrefs.forEach(function(href) {\n        var metadataPromise = Promise.resolve(true);\n        if (depMetadata.length > 0) {\n          metadataPromise = depMetadata[depMetadata.length - 1];\n        }\n        metadataPromise = metadataPromise.then(function() {\n          if (!loadedHrefs[href]) {\n            loadedHrefs[href] = true;\n            return this._metadataTree(this.html[href], loadedHrefs);\n          } else {\n            return Promise.resolve({});\n          }\n        }.bind(this));\n        depMetadata.push(metadataPromise);\n      }.bind(this));\n      return Promise.all(depMetadata).then(function(importMetadata) {\n        metadata.imports = importMetadata;\n        return htmlMonomer.htmlLoaded.then(function(parsedHtml) {\n          metadata.html = parsedHtml;\n          if (metadata.elements) {\n            metadata.elements.forEach(function(element) {\n              attachDomModule(parsedHtml, element);\n            });\n          }\n          return metadata;\n        });\n      });\n    }.bind(this));\n  }.bind(this));\n};\n\nfunction matchingImport(importElement) {\n  var matchesTag = dom5.predicates.hasTagName(importElement.tagName);\n  var matchesHref = dom5.predicates.hasAttrValue('href', dom5.getAttribute(importElement, 'href'));\n  var matchesRel = dom5.predicates.hasAttrValue('rel', dom5.getAttribute(importElement, 'rel'));\n  return dom5.predicates.AND(matchesTag, matchesHref, matchesRel);\n}\n\n// TODO(ajo): Refactor out of vulcanize into dom5.\nvar polymerExternalStyle = dom5.predicates.AND(\n  dom5.predicates.hasTagName('link'),\n  dom5.predicates.hasAttrValue('rel', 'import'),\n  dom5.predicates.hasAttrValue('type', 'css')\n);\n\nvar externalScript = dom5.predicates.AND(\n  dom5.predicates.hasTagName('script'),\n  dom5.predicates.hasAttr('src')\n);\n\nvar isHtmlImportNode = dom5.predicates.AND(\n  dom5.predicates.hasTagName('link'),\n  dom5.predicates.hasAttrValue('rel', 'import'),\n  dom5.predicates.NOT(\n    dom5.predicates.hasAttrValue('type', 'css')\n  )\n);\n\nAnalyzer.prototype._inlineStyles = function _inlineStyles(ast, href) {\n  var cssLinks = dom5.queryAll(ast, polymerExternalStyle);\n  cssLinks.forEach(function(link) {\n    var linkHref = dom5.getAttribute(link, 'href');\n    var uri = url.resolve(href, linkHref);\n    var content = this._content[uri];\n    var style = dom5.constructors.element('style');\n    dom5.setTextContent(style, '\\n' + content + '\\n');\n    dom5.replace(link, style);\n  }.bind(this));\n  return cssLinks.length > 0;\n};\n\nAnalyzer.prototype._inlineScripts = function _inlineScripts(ast, href) {\n  var scripts = dom5.queryAll(ast, externalScript);\n  scripts.forEach(function(script) {\n    var scriptHref = dom5.getAttribute(script, 'src');\n    var uri = url.resolve(href, scriptHref);\n    var content = this._content[uri];\n    var inlined = dom5.constructors.element('script');\n    dom5.setTextContent(inlined, '\\n' + content + '\\n');\n    dom5.replace(script, inlined);\n  }.bind(this));\n  return scripts.length > 0;\n};\n\nAnalyzer.prototype._inlineImports = function _inlineImports(ast, href, loaded) {\n  var imports = dom5.queryAll(ast, isHtmlImportNode);\n  imports.forEach(function(htmlImport) {\n    var importHref = dom5.getAttribute(htmlImport, 'href');\n    var uri = url.resolve(href, importHref);\n    if (loaded[uri]) {\n      dom5.remove(htmlImport);\n      return;\n    }\n    var content = this.getLoadedAst(uri, loaded);\n    dom5.replace(htmlImport, content);\n  }.bind(this));\n  return imports.length > 0;\n};\n\n/**\n * Returns a promise resolving to a form of the AST with all links replaced\n * with the document they link to. .css and .script files become &lt;style&gt; and\n * &lt;script&gt;, respectively.\n *\n * The elements in the loaded document are unmodified from their original\n * documents.\n *\n * @param {string} href The document to load.\n * @param {Object.<string,boolean>=} loaded An object keyed by already loaded documents.\n * @return {Promise.<DocumentAST>}\n */\nAnalyzer.prototype.getLoadedAst = function getLoadedAst(href, loaded) {\n  if (!loaded) {\n    loaded = {};\n  }\n  loaded[href] = true;\n  var parsedDocument = this.parsedDocuments[href];\n  var analyzedDocument = this.html[href];\n  var astCopy = dom5.parse(dom5.serialize(parsedDocument));\n  // Whenever we inline something, reset inlined to true to know that anoather\n  // inlining pass is needed;\n  this._inlineStyles(astCopy, href);\n  this._inlineScripts(astCopy, href);\n  this._inlineImports(astCopy, href, loaded);\n  return astCopy;\n};\n\n/**\n * Calls `dom5.nodeWalkAll` on each document that `Anayzler` has laoded.\n * @param  {Object} predicate A dom5 predicate.\n * @return {Object}\n */\nAnalyzer.prototype.nodeWalkDocuments = function nodeWalkDocuments(predicate) {\n  for (var href in this.parsedDocuments) {\n    var match = dom5.nodeWalk(this.parsedDocuments[href], predicate);\n    if (match) {\n      return match;\n    }\n  }\n  return null;\n};\n\n/**\n * Calls `dom5.nodeWalkAll` on each document that `Anayzler` has laoded.\n * @param  {Object} predicate A dom5 predicate.\n * @return {Object}\n */\nAnalyzer.prototype.nodeWalkAllDocuments = function nodeWalkDocuments(predicate) {\n  var results = [];\n  for (var href in this.parsedDocuments) {\n    var newNodes = dom5.nodeWalkAll(this.parsedDocuments[href], predicate);\n    results = results.concat(newNodes);\n  }\n  return results;\n};\n\n/** Annotates all loaded metadata with its documentation. */\nAnalyzer.prototype.annotate = function annotate() {\n  if (this.features.length > 0) {\n    var featureEl = docs.featureElement(this.features);\n    this.elements.unshift(featureEl);\n    this.elementsByTagName[featureEl.is] = featureEl;\n  }\n  var behaviorsByName = this.behaviorsByName;\n  var elementHelper = function(descriptor){\n    docs.annotateElement(descriptor, behaviorsByName);\n  };\n  this.elements.forEach(elementHelper);\n  this.behaviors.forEach(elementHelper); // Same shape.\n  this.behaviors.forEach(function(behavior){\n    if (behavior.is !== behavior.symbol && behavior.symbol) {\n      this.behaviorsByName[behavior.symbol] = undefined;\n    }\n  }.bind(this));\n};\n\nfunction attachDomModule(parsedImport, element) {\n  var domModules = parsedImport['dom-module'];\n  for (var i = 0, domModule; i < domModules.length; i++) {\n    domModule = domModules[i];\n    if (dom5.getAttribute(domModule, 'id') === element.is) {\n      element.domModule = domModule;\n      return;\n    }\n  }\n}\n\n/** Removes redundant properties from the collected descriptors. */\nAnalyzer.prototype.clean = function clean() {\n  this.elements.forEach(docs.cleanElement);\n};\n\nmodule.exports = Analyzer;\n"]} },{"./ast-utils/docs":5,"./ast-utils/import-parse":10,"./ast-utils/js-parse":11,"./loader/file-loader":13,"./loader/fs-resolver":14,"./loader/noop-resolver":15,"./loader/xhr-resolver":17,"dom5":39,"es6-promise":61,"url":27}],2:[function(require,module,exports){ /** * @license * Copyright (c) 2015 The Polymer Project Authors. All rights reserved. * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt * Code distributed by Google as part of the polymer project is also * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt */ // jshint node: true 'use strict'; var esutil = require('./esutil'); var astValue = require('./ast-value'); var analyzeProperties = function(node) { var analyzedProps = []; if (node.type != 'ObjectExpression') { return analyzedProps; } for (var i = 0; i < node.properties.length; i++) { var property = node.properties[i]; var prop = esutil.toPropertyDescriptor(property); prop.published = true; if (property.value.type == 'ObjectExpression') { /** * Parse the expression inside a property object block. * property: { * key: { * type: String, * notify: true, * value: -1, * readOnly: true, * reflectToAttribute: true * } * } */ for (var j = 0; j < property.value.properties.length; j++) { var propertyArg = property.value.properties[j]; var propertyKey = esutil.objectKeyToString(propertyArg.key); switch(propertyKey) { case 'type': { prop.type = esutil.objectKeyToString(propertyArg.value); if (prop.type === undefined) { throw { message: 'Invalid type in property object.', location: propertyArg.loc.start }; } } break; case 'notify': { prop.notify = astValue.expressionToValue(propertyArg.value); if (prop.notify === undefined) prop.notify = astValue.CANT_CONVERT; } break; case 'observer': { prop.observer = astValue.expressionToValue(propertyArg.value); prop.observerNode = propertyArg.value; if (prop.observer === undefined) prop.observer = astValue.CANT_CONVERT; } break; case 'readOnly': { prop.readOnly = astValue.expressionToValue(propertyArg.value); if (prop.readOnly === undefined) prop.readOnly = astValue.CANT_CONVERT; } break; case 'reflectToAttribute': { prop.reflectToAttribute = astValue.expressionToValue(propertyArg); if (prop.reflectToAttribute === undefined) prop.reflectToAttribute = astValue.CANT_CONVERT; } break; case 'value': { prop.default = astValue.expressionToValue(propertyArg.value); if (prop.default === undefined) prop.default = astValue.CANT_CONVERT; } break; default: break; } } } if (!prop.type) { throw { message: 'Unable to determine name for property key.', location: node.loc.start }; } analyzedProps.push(prop); } return analyzedProps; }; module.exports = analyzeProperties; },{"./ast-value":3,"./esutil":7}],3:[function(require,module,exports){ /** * @license * Copyright (c) 2015 The Polymer Project Authors. All rights reserved. * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt * Code distributed by Google as part of the polymer project is also * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt */ // jshint node: true 'use strict'; // useful tool to visualize AST: http://esprima.org/demo/parse.html /** * converts literal: {"type": "Literal", "value": 5, "raw": "5" } * to string */ function literalToValue(literal) { return literal.value; } /** * converts unary to string * unary: { type: 'UnaryExpression', operator: '-', argument: { ... } } */ function unaryToValue(unary) { var argValue = expressionToValue(unary.argument); if (argValue === undefined) return; return unary.operator + argValue; } /** * converts identifier to its value * identifier { "type": "Identifier", "name": "Number } */ function identifierToValue(identifier) { return identifier.name; } /** * Function is a block statement. */ function functionDeclarationToValue(fn) { if (fn.body.type == "BlockStatement") return blockStatementToValue(fn.body); } function functionExpressionToValue(fn) { if (fn.body.type == "BlockStatement") return blockStatementToValue(fn.body); } /** * Block statement: find last return statement, and return its value */ function blockStatementToValue(block) { for (var i=block.body.length - 1; i>= 0; i--) { if (block.body[i].type === "ReturnStatement") return returnStatementToValue(block.body[i]); } } /** * Evaluates return's argument */ function returnStatementToValue(ret) { return expressionToValue(ret.argument); } /** * Enclose containing values in [] */ function arrayExpressionToValue(arry) { var value = '['; for (var i=0; i} The behaviors we've found. */ var behaviors = []; var currentBehavior = null; /** * special-case properties */ var propertyHandlers = { properties: function(node) { var props = analyzeProperties(node); for (var i=0; i < props.length; i++) { currentBehavior.properties.push(props[i]); } } }; /** * merges behavior with preexisting behavior with the same name. * here to support multiple @polymerBehavior tags referring * to same behavior. See iron-multi-selectable for example. */ function mergeBehavior(newBehavior) { var isBehaviorImpl = function(b) { // filter out BehaviorImpl return b.indexOf(newBehavior.is) === -1; }; for (var i=0; i behaviors[i].desc.length) behaviors[i].desc = newBehavior.desc; } else { behaviors[i].desc = newBehavior.desc; } } // merge demos behaviors[i].demos = (behaviors[i].demos || []).concat(newBehavior.demos || []); // merge events, behaviors[i].events = (behaviors[i].events || []).concat(newBehavior.events || []); // merge properties behaviors[i].properties = (behaviors[i].properties || []).concat(newBehavior.properties || []); // merge behaviors behaviors[i].behaviors = (behaviors[i].behaviors || []).concat(newBehavior.behaviors || []) .filter(isBehaviorImpl); return behaviors[i]; } return newBehavior; } /** * gets the expression representing a behavior from a node. */ function behaviorExpression(node) { switch(node.type) { case 'ExpressionStatement': return node.expression.right; case 'VariableDeclaration': return node.declarations.length > 0 ? node.declarations[0].init : null; } } /** * checks whether an expression is a simple array containing only member * expressions or identifiers. */ function isSimpleBehaviorArray(expression) { if (!expression || expression.type !== 'ArrayExpression') return false; for (var i=0; i < expression.elements.length; i++) { if (expression.elements[i].type !== 'MemberExpression' && expression.elements[i].type !== 'Identifier') { return false; } } return true; } var templatizer = "Polymer.Templatizer"; var visitors = { /** * Look for object declarations with @behavior in the docs. */ enterVariableDeclaration: function(node, parent) { if (node.declarations.length !== 1) return; // Ambiguous. this._initBehavior(node, function () { return esutil.objectKeyToString(node.declarations[0].id); }); }, /** * Look for object assignments with @polymerBehavior in the docs. */ enterAssignmentExpression: function(node, parent) { this._initBehavior(parent, function () { return esutil.objectKeyToString(node.left); }); }, _parseChainedBehaviors: function(node) { // if current behavior is part of an array, it gets extended by other behaviors // inside the array. Ex: // Polymer.IronMultiSelectableBehavior = [ {....}, Polymer.IronSelectableBehavior] // We add these to behaviors array var expression = behaviorExpression(node); var chained = []; if (expression && expression.type === 'ArrayExpression') { for (var i=0; i < expression.elements.length; i++) { if (expression.elements[i].type === 'MemberExpression' || expression.elements[i].type === 'Identifier') { chained.push(astValue.expressionToValue(expression.elements[i])); } } if (chained.length > 0) currentBehavior.behaviors = chained; } }, _initBehavior: function(node, getName) { var comment = esutil.getAttachedComment(node); var symbol = getName(); // Quickly filter down to potential candidates. if (!comment || comment.indexOf('@polymerBehavior') === -1) { if (symbol !== templatizer) { return; } } currentBehavior = { type: 'behavior', desc: comment, events: esutil.getEventComments(node).map( function(event) { return { desc: event}; }) }; docs.annotateBehavior(currentBehavior); // Make sure that we actually parsed a behavior tag! if (!jsdoc.hasTag(currentBehavior.jsdoc, 'polymerBehavior') && symbol !== templatizer) { currentBehavior = null; return; } var name = jsdoc.getTag(currentBehavior.jsdoc, 'polymerBehavior', 'name'); currentBehavior.symbol = symbol; if (!name) { name = currentBehavior.symbol; } if (!name) { console.warn('Unable to determine name for @polymerBehavior:', comment); } currentBehavior.is = name; this._parseChainedBehaviors(node); currentBehavior = mergeBehavior(currentBehavior); // Some behaviors are just lists of other behaviors. If this is one then // add it to behaviors right away. if (isSimpleBehaviorArray(behaviorExpression(node))) { // TODO(ajo): Add a test to confirm the presence of `properties`. if (!currentBehavior.properties) currentBehavior.properties = []; if (behaviors.indexOf(currentBehavior) === -1) behaviors.push(currentBehavior); currentBehavior = null; } }, /** * We assume that the object expression after such an assignment is the * behavior's declaration. Seems to be a decent assumption for now. */ enterObjectExpression: function(node, parent) { if (!currentBehavior || currentBehavior.properties) return; currentBehavior.properties = currentBehavior.properties || []; for (var i = 0; i < node.properties.length; i++) { var prop = node.properties[i]; var name = esutil.objectKeyToString(prop.key); if (!name) { throw { message: 'Cant determine name for property key.', location: node.loc.start }; } if (name in propertyHandlers) { propertyHandlers[name](prop.value); } else { currentBehavior.properties.push(esutil.toPropertyDescriptor(prop)); } } behaviors.push(currentBehavior); currentBehavior = null; }, }; return {visitors: visitors, behaviors: behaviors}; }; },{"./analyze-properties":2,"./ast-value.js":3,"./docs":5,"./esutil":7,"./jsdoc":12,"estraverse":73}],5:[function(require,module,exports){ /** * @license * Copyright (c) 2015 The Polymer Project Authors. All rights reserved. * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt * Code distributed by Google as part of the polymer project is also * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt */ 'use strict'; // jshint node:true var jsdoc = require('./jsdoc'); var dom5 = require('dom5'); /** Properties on element prototypes that are purely configuration. */ var ELEMENT_CONFIGURATION = [ 'attached', 'attributeChanged', 'configure', 'constructor', 'created', 'detached', 'enableCustomStyleProperties', 'extends', 'hostAttributes', 'is', 'listeners', 'mixins', 'observers', 'properties', 'ready', 'registered' ]; /** Tags understood by the annotation process, to be removed during `clean`. */ var HANDLED_TAGS = [ 'param', 'return', 'type', ]; /** * Annotates Hydrolysis descriptors, processing any `desc` properties as JSDoc. * * You probably want to use a more specialized version of this, such as * `annotateElement`. * * Processed JSDoc values will be made available via the `jsdoc` property on a * descriptor node. * * @param {Object} descriptor The descriptor node to process. * @return {Object} The descriptor that was given. */ function annotate(descriptor) { if (!descriptor || descriptor.jsdoc) return descriptor; if (typeof descriptor.desc === 'string') { descriptor.jsdoc = jsdoc.parseJsdoc(descriptor.desc); // We want to present the normalized form of a descriptor. descriptor.jsdoc.orig = descriptor.desc; descriptor.desc = descriptor.jsdoc.description; } return descriptor; } /** * Annotates @event, @hero, & @demo tags */ function annotateElementHeader(descriptor) { if (descriptor.events) { descriptor.events.forEach(function(event) { _annotateEvent(event); }); descriptor.events.sort( function(a,b) { return a.name.localeCompare(b.name); }); } descriptor.demos = []; if (descriptor.jsdoc && descriptor.jsdoc.tags) { descriptor.jsdoc.tags.forEach( function(tag) { switch(tag.tag) { case 'hero': descriptor.hero = tag.name || 'hero.png'; break; case 'demo': descriptor.demos.push({ desc: tag.description || 'demo', path: tag.name || 'demo/index.html' }); } }); } } function matchByName(propa, propb) { return propa.name == propb.name; } function copyProperties(from, to, behaviorsByName) { if (from.properties) { from.properties.forEach(function(fromProp){ for (var toProp, i = 0; i < to.properties.length; i++) { toProp = to.properties[i]; if (fromProp.name === toProp.name) { return; } } var newProp = {__fromBehavior: from.is}; if (fromProp.__fromBehavior) { return; } Object.keys(fromProp).forEach(function(propertyField){ newProp[propertyField] = fromProp[propertyField]; }); to.properties.push(newProp); }); } if (!from.behaviors) { return; } from.behaviors.forEach(function(behavior){ var definedBehavior = behaviorsByName[behavior] || behaviorsByName[behavior.symbol]; if (!definedBehavior) { return; } copyProperties(definedBehavior, to, behaviorsByName); }); } function mixinBehaviors(descriptor, behaviorsByName) { if (descriptor.behaviors) { descriptor.behaviors.forEach(function(behavior){ if (!behaviorsByName[behavior]) { console.warn("Behavior " + behavior + " not found!"); return; } var definedBehavior = behaviorsByName[behavior]; copyProperties(definedBehavior, descriptor, behaviorsByName); }); } } /** * Annotates documentation found within a Hydrolysis element descriptor. Also * supports behaviors. * * If the element was processed via `hydrolize`, the element's documentation * will also be extracted via its . * * @param {Object} descriptor The element descriptor. * @return {Object} The descriptor that was given. */ function annotateElement(descriptor, behaviorsByName) { if (!descriptor.desc && descriptor.type === 'element') { descriptor.desc = _findElementDocs(descriptor.is, descriptor.domModule, descriptor.scriptElement); } annotate(descriptor); // The `` is too low level for most needs, and it is _not_ // serializable. So we drop it now that we've extracted all the useful bits // from it. // TODO: Don't worry about serializability here, provide an API to get JSON. delete descriptor.domModule; mixinBehaviors(descriptor, behaviorsByName); // Descriptors that should have their `desc` properties parsed as JSDoc. descriptor.properties.forEach(function(property) { // Feature properties are special, configuration is really just a matter of // inheritance... annotateProperty(property, descriptor.abstract); }); // It may seem like overkill to always sort, but we have an assumption that // these properties are typically being consumed by user-visible tooling. // As such, it's good to have consistent output/ordering to aid the user. descriptor.properties.sort(function(a, b) { // Private properties are always last. if (a.private && !b.private) { return 1; } else if (!a.private && b.private) { return -1; // Otherwise, we're just sorting alphabetically. } else { return a.name.localeCompare(b.name); } }); annotateElementHeader(descriptor); return descriptor; } /** * Annotates behavior descriptor. * @param {Object} descriptor behavior descriptor * @return {Object} descriptor passed in as param */ function annotateBehavior(descriptor, behaviorsByName) { annotate(descriptor); annotateElementHeader(descriptor); return descriptor; } /** * Annotates event documentation */ function _annotateEvent(descriptor) { annotate(descriptor); // process @event var eventTag = jsdoc.getTag(descriptor.jsdoc, 'event'); descriptor.name = eventTag ? eventTag.description : "N/A"; // process @params descriptor.params = (descriptor.jsdoc.tags || []) .filter( function(tag) { return tag.tag === 'param'; }) .map( function(tag) { return { type: tag.type || "N/A", desc: tag.description, name: tag.name || "N/A" }; }); // process @params return descriptor; } /** * Annotates documentation found about a Hydrolysis property descriptor. * * @param {Object} descriptor The property descriptor. * @param {boolean} ignoreConfiguration If true, `configuration` is not set. * @return {Object} The descriptior that was given. */ function annotateProperty(descriptor, ignoreConfiguration) { annotate(descriptor); if (descriptor.name[0] === '_' || jsdoc.hasTag(descriptor.jsdoc, 'private')) { descriptor.private = true; } if (!ignoreConfiguration && ELEMENT_CONFIGURATION.indexOf(descriptor.name) !== -1) { descriptor.private = true; descriptor.configuration = true; } // @type JSDoc wins descriptor.type = jsdoc.getTag(descriptor.jsdoc, 'type', 'type') || descriptor.type; if (descriptor.type.match(/^function/i)) { _annotateFunctionProperty(descriptor); } // @default JSDoc wins var defaultTag = jsdoc.getTag(descriptor.jsdoc, 'default'); if (defaultTag !== null) { var newDefault = (defaultTag.name || '') + (defaultTag.description || ''); if (newDefault !== '') { descriptor.default = newDefault; } } return descriptor; } /** @param {Object} descriptor */ function _annotateFunctionProperty(descriptor) { descriptor.function = true; var returnTag = jsdoc.getTag(descriptor.jsdoc, 'return'); if (returnTag) { descriptor.return = { type: returnTag.type, desc: returnTag.description, }; } var paramsByName = {}; (descriptor.params || []).forEach(function(param) { paramsByName[param.name] = param; }); (descriptor.jsdoc && descriptor.jsdoc.tags || []).forEach(function(tag) { if (tag.tag !== 'param') return; var param = paramsByName[tag.name]; if (!param) { return; } param.type = tag.type || param.type; param.desc = tag.description; }); } /** * Converts raw features into an abstract `Polymer.Base` element. * * Note that docs on this element _are not processed_. You must call * `annotateElement` on it yourself if you wish that. * * @param {Array} features * @return {ElementDescriptor} */ function featureElement(features) { var properties = features.reduce(function(result, feature) { return result.concat(feature.properties); }, []); return { type: 'element', is: 'Polymer.Base', abstract: true, properties: properties, desc: '`Polymer.Base` acts as a base prototype for all Polymer ' + 'elements. It is composed via various calls to ' + '`Polymer.Base._addFeature()`.\n' + '\n' + 'The properties reflected here are the combined view of all ' + 'features found in this library. There may be more properties ' + 'added via other libraries, as well.', }; } /** * Cleans redundant properties from a descriptor, assuming that you have already * called `annotate`. * * @param {Object} descriptor */ function clean(descriptor) { if (!descriptor.jsdoc) return; // The doctext was written to `descriptor.desc` delete descriptor.jsdoc.description; delete descriptor.jsdoc.orig; var cleanTags = []; (descriptor.jsdoc.tags || []).forEach(function(tag) { // Drop any tags we've consumed. if (HANDLED_TAGS.indexOf(tag.tag) !== -1) return; cleanTags.push(tag); }); if (cleanTags.length === 0) { // No tags? no docs left! delete descriptor.jsdoc; } else { descriptor.jsdoc.tags = cleanTags; } } /** * Cleans redundant properties from an element, assuming that you have already * called `annotateElement`. * * @param {ElementDescriptor|BehaviorDescriptor} element */ function cleanElement(element) { clean(element); element.properties.forEach(cleanProperty); } /** * Cleans redundant properties from a property, assuming that you have already * called `annotateProperty`. * * @param {PropertyDescriptor} property */ function cleanProperty(property) { clean(property); } /** * Parse elements defined only in comments. * @param {comments} Array A list of comments to parse. * @return {ElementDescriptor} A list of pseudo-elements. */ function parsePseudoElements(comments) { var elements = []; comments.forEach(function(comment) { var parsed = jsdoc.parseJsdoc(comment); var pseudoTag = jsdoc.getTag(parsed, 'pseudoElement', 'name'); if (pseudoTag) { parsed.is = pseudoTag; parsed.jsdoc = {description: parsed.description, tags: parsed.tags}; parsed.properties = []; parsed.desc = parsed.description; parsed.description = undefined; parsed.tags = undefined; annotateElementHeader(parsed); elements.push(parsed); } }); return elements; } /** * @param {string} elementId * @param {DocumentAST} domModule * @param {DocumentAST} scriptElement The script that the element was defined in. */ function _findElementDocs(elementId, domModule, scriptElement) { // Note that we concatenate docs from all sources if we find them. // element can be defined in: // html comment right before dom-module // html commnet right before script defining the module, if dom-module is empty var found = []; // Do we have a HTML comment on the `` or `