com.vaadin.polymer.public.bower_components.webcomponentsjs.HTMLImports.js Maven / Gradle / Ivy
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/**
* @license
* Copyright (c) 2014 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
*/
// @version 0.7.24
if (typeof WeakMap === "undefined") {
(function() {
var defineProperty = Object.defineProperty;
var counter = Date.now() % 1e9;
var WeakMap = function() {
this.name = "__st" + (Math.random() * 1e9 >>> 0) + (counter++ + "__");
};
WeakMap.prototype = {
set: function(key, value) {
var entry = key[this.name];
if (entry && entry[0] === key) entry[1] = value; else defineProperty(key, this.name, {
value: [ key, value ],
writable: true
});
return this;
},
get: function(key) {
var entry;
return (entry = key[this.name]) && entry[0] === key ? entry[1] : undefined;
},
"delete": function(key) {
var entry = key[this.name];
if (!entry || entry[0] !== key) return false;
entry[0] = entry[1] = undefined;
return true;
},
has: function(key) {
var entry = key[this.name];
if (!entry) return false;
return entry[0] === key;
}
};
window.WeakMap = WeakMap;
})();
}
(function(global) {
if (global.JsMutationObserver) {
return;
}
var registrationsTable = new WeakMap();
var setImmediate;
if (/Trident|Edge/.test(navigator.userAgent)) {
setImmediate = setTimeout;
} else if (window.setImmediate) {
setImmediate = window.setImmediate;
} else {
var setImmediateQueue = [];
var sentinel = String(Math.random());
window.addEventListener("message", function(e) {
if (e.data === sentinel) {
var queue = setImmediateQueue;
setImmediateQueue = [];
queue.forEach(function(func) {
func();
});
}
});
setImmediate = function(func) {
setImmediateQueue.push(func);
window.postMessage(sentinel, "*");
};
}
var isScheduled = false;
var scheduledObservers = [];
function scheduleCallback(observer) {
scheduledObservers.push(observer);
if (!isScheduled) {
isScheduled = true;
setImmediate(dispatchCallbacks);
}
}
function wrapIfNeeded(node) {
return window.ShadowDOMPolyfill && window.ShadowDOMPolyfill.wrapIfNeeded(node) || node;
}
function dispatchCallbacks() {
isScheduled = false;
var observers = scheduledObservers;
scheduledObservers = [];
observers.sort(function(o1, o2) {
return o1.uid_ - o2.uid_;
});
var anyNonEmpty = false;
observers.forEach(function(observer) {
var queue = observer.takeRecords();
removeTransientObserversFor(observer);
if (queue.length) {
observer.callback_(queue, observer);
anyNonEmpty = true;
}
});
if (anyNonEmpty) dispatchCallbacks();
}
function removeTransientObserversFor(observer) {
observer.nodes_.forEach(function(node) {
var registrations = registrationsTable.get(node);
if (!registrations) return;
registrations.forEach(function(registration) {
if (registration.observer === observer) registration.removeTransientObservers();
});
});
}
function forEachAncestorAndObserverEnqueueRecord(target, callback) {
for (var node = target; node; node = node.parentNode) {
var registrations = registrationsTable.get(node);
if (registrations) {
for (var j = 0; j < registrations.length; j++) {
var registration = registrations[j];
var options = registration.options;
if (node !== target && !options.subtree) continue;
var record = callback(options);
if (record) registration.enqueue(record);
}
}
}
}
var uidCounter = 0;
function JsMutationObserver(callback) {
this.callback_ = callback;
this.nodes_ = [];
this.records_ = [];
this.uid_ = ++uidCounter;
}
JsMutationObserver.prototype = {
observe: function(target, options) {
target = wrapIfNeeded(target);
if (!options.childList && !options.attributes && !options.characterData || options.attributeOldValue && !options.attributes || options.attributeFilter && options.attributeFilter.length && !options.attributes || options.characterDataOldValue && !options.characterData) {
throw new SyntaxError();
}
var registrations = registrationsTable.get(target);
if (!registrations) registrationsTable.set(target, registrations = []);
var registration;
for (var i = 0; i < registrations.length; i++) {
if (registrations[i].observer === this) {
registration = registrations[i];
registration.removeListeners();
registration.options = options;
break;
}
}
if (!registration) {
registration = new Registration(this, target, options);
registrations.push(registration);
this.nodes_.push(target);
}
registration.addListeners();
},
disconnect: function() {
this.nodes_.forEach(function(node) {
var registrations = registrationsTable.get(node);
for (var i = 0; i < registrations.length; i++) {
var registration = registrations[i];
if (registration.observer === this) {
registration.removeListeners();
registrations.splice(i, 1);
break;
}
}
}, this);
this.records_ = [];
},
takeRecords: function() {
var copyOfRecords = this.records_;
this.records_ = [];
return copyOfRecords;
}
};
function MutationRecord(type, target) {
this.type = type;
this.target = target;
this.addedNodes = [];
this.removedNodes = [];
this.previousSibling = null;
this.nextSibling = null;
this.attributeName = null;
this.attributeNamespace = null;
this.oldValue = null;
}
function copyMutationRecord(original) {
var record = new MutationRecord(original.type, original.target);
record.addedNodes = original.addedNodes.slice();
record.removedNodes = original.removedNodes.slice();
record.previousSibling = original.previousSibling;
record.nextSibling = original.nextSibling;
record.attributeName = original.attributeName;
record.attributeNamespace = original.attributeNamespace;
record.oldValue = original.oldValue;
return record;
}
var currentRecord, recordWithOldValue;
function getRecord(type, target) {
return currentRecord = new MutationRecord(type, target);
}
function getRecordWithOldValue(oldValue) {
if (recordWithOldValue) return recordWithOldValue;
recordWithOldValue = copyMutationRecord(currentRecord);
recordWithOldValue.oldValue = oldValue;
return recordWithOldValue;
}
function clearRecords() {
currentRecord = recordWithOldValue = undefined;
}
function recordRepresentsCurrentMutation(record) {
return record === recordWithOldValue || record === currentRecord;
}
function selectRecord(lastRecord, newRecord) {
if (lastRecord === newRecord) return lastRecord;
if (recordWithOldValue && recordRepresentsCurrentMutation(lastRecord)) return recordWithOldValue;
return null;
}
function Registration(observer, target, options) {
this.observer = observer;
this.target = target;
this.options = options;
this.transientObservedNodes = [];
}
Registration.prototype = {
enqueue: function(record) {
var records = this.observer.records_;
var length = records.length;
if (records.length > 0) {
var lastRecord = records[length - 1];
var recordToReplaceLast = selectRecord(lastRecord, record);
if (recordToReplaceLast) {
records[length - 1] = recordToReplaceLast;
return;
}
} else {
scheduleCallback(this.observer);
}
records[length] = record;
},
addListeners: function() {
this.addListeners_(this.target);
},
addListeners_: function(node) {
var options = this.options;
if (options.attributes) node.addEventListener("DOMAttrModified", this, true);
if (options.characterData) node.addEventListener("DOMCharacterDataModified", this, true);
if (options.childList) node.addEventListener("DOMNodeInserted", this, true);
if (options.childList || options.subtree) node.addEventListener("DOMNodeRemoved", this, true);
},
removeListeners: function() {
this.removeListeners_(this.target);
},
removeListeners_: function(node) {
var options = this.options;
if (options.attributes) node.removeEventListener("DOMAttrModified", this, true);
if (options.characterData) node.removeEventListener("DOMCharacterDataModified", this, true);
if (options.childList) node.removeEventListener("DOMNodeInserted", this, true);
if (options.childList || options.subtree) node.removeEventListener("DOMNodeRemoved", this, true);
},
addTransientObserver: function(node) {
if (node === this.target) return;
this.addListeners_(node);
this.transientObservedNodes.push(node);
var registrations = registrationsTable.get(node);
if (!registrations) registrationsTable.set(node, registrations = []);
registrations.push(this);
},
removeTransientObservers: function() {
var transientObservedNodes = this.transientObservedNodes;
this.transientObservedNodes = [];
transientObservedNodes.forEach(function(node) {
this.removeListeners_(node);
var registrations = registrationsTable.get(node);
for (var i = 0; i < registrations.length; i++) {
if (registrations[i] === this) {
registrations.splice(i, 1);
break;
}
}
}, this);
},
handleEvent: function(e) {
e.stopImmediatePropagation();
switch (e.type) {
case "DOMAttrModified":
var name = e.attrName;
var namespace = e.relatedNode.namespaceURI;
var target = e.target;
var record = new getRecord("attributes", target);
record.attributeName = name;
record.attributeNamespace = namespace;
var oldValue = e.attrChange === MutationEvent.ADDITION ? null : e.prevValue;
forEachAncestorAndObserverEnqueueRecord(target, function(options) {
if (!options.attributes) return;
if (options.attributeFilter && options.attributeFilter.length && options.attributeFilter.indexOf(name) === -1 && options.attributeFilter.indexOf(namespace) === -1) {
return;
}
if (options.attributeOldValue) return getRecordWithOldValue(oldValue);
return record;
});
break;
case "DOMCharacterDataModified":
var target = e.target;
var record = getRecord("characterData", target);
var oldValue = e.prevValue;
forEachAncestorAndObserverEnqueueRecord(target, function(options) {
if (!options.characterData) return;
if (options.characterDataOldValue) return getRecordWithOldValue(oldValue);
return record;
});
break;
case "DOMNodeRemoved":
this.addTransientObserver(e.target);
case "DOMNodeInserted":
var changedNode = e.target;
var addedNodes, removedNodes;
if (e.type === "DOMNodeInserted") {
addedNodes = [ changedNode ];
removedNodes = [];
} else {
addedNodes = [];
removedNodes = [ changedNode ];
}
var previousSibling = changedNode.previousSibling;
var nextSibling = changedNode.nextSibling;
var record = getRecord("childList", e.target.parentNode);
record.addedNodes = addedNodes;
record.removedNodes = removedNodes;
record.previousSibling = previousSibling;
record.nextSibling = nextSibling;
forEachAncestorAndObserverEnqueueRecord(e.relatedNode, function(options) {
if (!options.childList) return;
return record;
});
}
clearRecords();
}
};
global.JsMutationObserver = JsMutationObserver;
if (!global.MutationObserver) {
global.MutationObserver = JsMutationObserver;
JsMutationObserver._isPolyfilled = true;
}
})(self);
(function(scope) {
"use strict";
if (!(window.performance && window.performance.now)) {
var start = Date.now();
window.performance = {
now: function() {
return Date.now() - start;
}
};
}
if (!window.requestAnimationFrame) {
window.requestAnimationFrame = function() {
var nativeRaf = window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame;
return nativeRaf ? function(callback) {
return nativeRaf(function() {
callback(performance.now());
});
} : function(callback) {
return window.setTimeout(callback, 1e3 / 60);
};
}();
}
if (!window.cancelAnimationFrame) {
window.cancelAnimationFrame = function() {
return window.webkitCancelAnimationFrame || window.mozCancelAnimationFrame || function(id) {
clearTimeout(id);
};
}();
}
var workingDefaultPrevented = function() {
var e = document.createEvent("Event");
e.initEvent("foo", true, true);
e.preventDefault();
return e.defaultPrevented;
}();
if (!workingDefaultPrevented) {
var origPreventDefault = Event.prototype.preventDefault;
Event.prototype.preventDefault = function() {
if (!this.cancelable) {
return;
}
origPreventDefault.call(this);
Object.defineProperty(this, "defaultPrevented", {
get: function() {
return true;
},
configurable: true
});
};
}
var isIE = /Trident/.test(navigator.userAgent);
if (!window.CustomEvent || isIE && typeof window.CustomEvent !== "function") {
window.CustomEvent = function(inType, params) {
params = params || {};
var e = document.createEvent("CustomEvent");
e.initCustomEvent(inType, Boolean(params.bubbles), Boolean(params.cancelable), params.detail);
return e;
};
window.CustomEvent.prototype = window.Event.prototype;
}
if (!window.Event || isIE && typeof window.Event !== "function") {
var origEvent = window.Event;
window.Event = function(inType, params) {
params = params || {};
var e = document.createEvent("Event");
e.initEvent(inType, Boolean(params.bubbles), Boolean(params.cancelable));
return e;
};
window.Event.prototype = origEvent.prototype;
}
})(window.WebComponents);
window.HTMLImports = window.HTMLImports || {
flags: {}
};
(function(scope) {
var IMPORT_LINK_TYPE = "import";
var useNative = Boolean(IMPORT_LINK_TYPE in document.createElement("link"));
var hasShadowDOMPolyfill = Boolean(window.ShadowDOMPolyfill);
var wrap = function(node) {
return hasShadowDOMPolyfill ? window.ShadowDOMPolyfill.wrapIfNeeded(node) : node;
};
var rootDocument = wrap(document);
var currentScriptDescriptor = {
get: function() {
var script = window.HTMLImports.currentScript || document.currentScript || (document.readyState !== "complete" ? document.scripts[document.scripts.length - 1] : null);
return wrap(script);
},
configurable: true
};
Object.defineProperty(document, "_currentScript", currentScriptDescriptor);
Object.defineProperty(rootDocument, "_currentScript", currentScriptDescriptor);
var isIE = /Trident/.test(navigator.userAgent);
function whenReady(callback, doc) {
doc = doc || rootDocument;
whenDocumentReady(function() {
watchImportsLoad(callback, doc);
}, doc);
}
var requiredReadyState = isIE ? "complete" : "interactive";
var READY_EVENT = "readystatechange";
function isDocumentReady(doc) {
return doc.readyState === "complete" || doc.readyState === requiredReadyState;
}
function whenDocumentReady(callback, doc) {
if (!isDocumentReady(doc)) {
var checkReady = function() {
if (doc.readyState === "complete" || doc.readyState === requiredReadyState) {
doc.removeEventListener(READY_EVENT, checkReady);
whenDocumentReady(callback, doc);
}
};
doc.addEventListener(READY_EVENT, checkReady);
} else if (callback) {
callback();
}
}
function markTargetLoaded(event) {
event.target.__loaded = true;
}
function watchImportsLoad(callback, doc) {
var imports = doc.querySelectorAll("link[rel=import]");
var parsedCount = 0, importCount = imports.length, newImports = [], errorImports = [];
function checkDone() {
if (parsedCount == importCount && callback) {
callback({
allImports: imports,
loadedImports: newImports,
errorImports: errorImports
});
}
}
function loadedImport(e) {
markTargetLoaded(e);
newImports.push(this);
parsedCount++;
checkDone();
}
function errorLoadingImport(e) {
errorImports.push(this);
parsedCount++;
checkDone();
}
if (importCount) {
for (var i = 0, imp; i < importCount && (imp = imports[i]); i++) {
if (isImportLoaded(imp)) {
newImports.push(this);
parsedCount++;
checkDone();
} else {
imp.addEventListener("load", loadedImport);
imp.addEventListener("error", errorLoadingImport);
}
}
} else {
checkDone();
}
}
function isImportLoaded(link) {
return useNative ? link.__loaded || link.import && link.import.readyState !== "loading" : link.__importParsed;
}
if (useNative) {
new MutationObserver(function(mxns) {
for (var i = 0, l = mxns.length, m; i < l && (m = mxns[i]); i++) {
if (m.addedNodes) {
handleImports(m.addedNodes);
}
}
}).observe(document.head, {
childList: true
});
function handleImports(nodes) {
for (var i = 0, l = nodes.length, n; i < l && (n = nodes[i]); i++) {
if (isImport(n)) {
handleImport(n);
}
}
}
function isImport(element) {
return element.localName === "link" && element.rel === "import";
}
function handleImport(element) {
var loaded = element.import;
if (loaded) {
markTargetLoaded({
target: element
});
} else {
element.addEventListener("load", markTargetLoaded);
element.addEventListener("error", markTargetLoaded);
}
}
(function() {
if (document.readyState === "loading") {
var imports = document.querySelectorAll("link[rel=import]");
for (var i = 0, l = imports.length, imp; i < l && (imp = imports[i]); i++) {
handleImport(imp);
}
}
})();
}
whenReady(function(detail) {
window.HTMLImports.ready = true;
window.HTMLImports.readyTime = new Date().getTime();
var evt = rootDocument.createEvent("CustomEvent");
evt.initCustomEvent("HTMLImportsLoaded", true, true, detail);
rootDocument.dispatchEvent(evt);
});
scope.IMPORT_LINK_TYPE = IMPORT_LINK_TYPE;
scope.useNative = useNative;
scope.rootDocument = rootDocument;
scope.whenReady = whenReady;
scope.isIE = isIE;
})(window.HTMLImports);
(function(scope) {
var modules = [];
var addModule = function(module) {
modules.push(module);
};
var initializeModules = function() {
modules.forEach(function(module) {
module(scope);
});
};
scope.addModule = addModule;
scope.initializeModules = initializeModules;
})(window.HTMLImports);
window.HTMLImports.addModule(function(scope) {
var CSS_URL_REGEXP = /(url\()([^)]*)(\))/g;
var CSS_IMPORT_REGEXP = /(@import[\s]+(?!url\())([^;]*)(;)/g;
var path = {
resolveUrlsInStyle: function(style, linkUrl) {
var doc = style.ownerDocument;
var resolver = doc.createElement("a");
style.textContent = this.resolveUrlsInCssText(style.textContent, linkUrl, resolver);
return style;
},
resolveUrlsInCssText: function(cssText, linkUrl, urlObj) {
var r = this.replaceUrls(cssText, urlObj, linkUrl, CSS_URL_REGEXP);
r = this.replaceUrls(r, urlObj, linkUrl, CSS_IMPORT_REGEXP);
return r;
},
replaceUrls: function(text, urlObj, linkUrl, regexp) {
return text.replace(regexp, function(m, pre, url, post) {
var urlPath = url.replace(/["']/g, "");
if (linkUrl) {
urlPath = new URL(urlPath, linkUrl).href;
}
urlObj.href = urlPath;
urlPath = urlObj.href;
return pre + "'" + urlPath + "'" + post;
});
}
};
scope.path = path;
});
window.HTMLImports.addModule(function(scope) {
var xhr = {
async: true,
ok: function(request) {
return request.status >= 200 && request.status < 300 || request.status === 304 || request.status === 0;
},
load: function(url, next, nextContext) {
var request = new XMLHttpRequest();
if (scope.flags.debug || scope.flags.bust) {
url += "?" + Math.random();
}
request.open("GET", url, xhr.async);
request.addEventListener("readystatechange", function(e) {
if (request.readyState === 4) {
var redirectedUrl = null;
try {
var locationHeader = request.getResponseHeader("Location");
if (locationHeader) {
redirectedUrl = locationHeader.substr(0, 1) === "/" ? location.origin + locationHeader : locationHeader;
}
} catch (e) {
console.error(e.message);
}
next.call(nextContext, !xhr.ok(request) && request, request.response || request.responseText, redirectedUrl);
}
});
request.send();
return request;
},
loadDocument: function(url, next, nextContext) {
this.load(url, next, nextContext).responseType = "document";
}
};
scope.xhr = xhr;
});
window.HTMLImports.addModule(function(scope) {
var xhr = scope.xhr;
var flags = scope.flags;
var Loader = function(onLoad, onComplete) {
this.cache = {};
this.onload = onLoad;
this.oncomplete = onComplete;
this.inflight = 0;
this.pending = {};
};
Loader.prototype = {
addNodes: function(nodes) {
this.inflight += nodes.length;
for (var i = 0, l = nodes.length, n; i < l && (n = nodes[i]); i++) {
this.require(n);
}
this.checkDone();
},
addNode: function(node) {
this.inflight++;
this.require(node);
this.checkDone();
},
require: function(elt) {
var url = elt.src || elt.href;
elt.__nodeUrl = url;
if (!this.dedupe(url, elt)) {
this.fetch(url, elt);
}
},
dedupe: function(url, elt) {
if (this.pending[url]) {
this.pending[url].push(elt);
return true;
}
var resource;
if (this.cache[url]) {
this.onload(url, elt, this.cache[url]);
this.tail();
return true;
}
this.pending[url] = [ elt ];
return false;
},
fetch: function(url, elt) {
flags.load && console.log("fetch", url, elt);
if (!url) {
setTimeout(function() {
this.receive(url, elt, {
error: "href must be specified"
}, null);
}.bind(this), 0);
} else if (url.match(/^data:/)) {
var pieces = url.split(",");
var header = pieces[0];
var body = pieces[1];
if (header.indexOf(";base64") > -1) {
body = atob(body);
} else {
body = decodeURIComponent(body);
}
setTimeout(function() {
this.receive(url, elt, null, body);
}.bind(this), 0);
} else {
var receiveXhr = function(err, resource, redirectedUrl) {
this.receive(url, elt, err, resource, redirectedUrl);
}.bind(this);
xhr.load(url, receiveXhr);
}
},
receive: function(url, elt, err, resource, redirectedUrl) {
this.cache[url] = resource;
var $p = this.pending[url];
for (var i = 0, l = $p.length, p; i < l && (p = $p[i]); i++) {
this.onload(url, p, resource, err, redirectedUrl);
this.tail();
}
this.pending[url] = null;
},
tail: function() {
--this.inflight;
this.checkDone();
},
checkDone: function() {
if (!this.inflight) {
this.oncomplete();
}
}
};
scope.Loader = Loader;
});
window.HTMLImports.addModule(function(scope) {
var Observer = function(addCallback) {
this.addCallback = addCallback;
this.mo = new MutationObserver(this.handler.bind(this));
};
Observer.prototype = {
handler: function(mutations) {
for (var i = 0, l = mutations.length, m; i < l && (m = mutations[i]); i++) {
if (m.type === "childList" && m.addedNodes.length) {
this.addedNodes(m.addedNodes);
}
}
},
addedNodes: function(nodes) {
if (this.addCallback) {
this.addCallback(nodes);
}
for (var i = 0, l = nodes.length, n, loading; i < l && (n = nodes[i]); i++) {
if (n.children && n.children.length) {
this.addedNodes(n.children);
}
}
},
observe: function(root) {
this.mo.observe(root, {
childList: true,
subtree: true
});
}
};
scope.Observer = Observer;
});
window.HTMLImports.addModule(function(scope) {
var path = scope.path;
var rootDocument = scope.rootDocument;
var flags = scope.flags;
var isIE = scope.isIE;
var IMPORT_LINK_TYPE = scope.IMPORT_LINK_TYPE;
var IMPORT_SELECTOR = "link[rel=" + IMPORT_LINK_TYPE + "]";
var importParser = {
documentSelectors: IMPORT_SELECTOR,
importsSelectors: [ IMPORT_SELECTOR, "link[rel=stylesheet]:not([type])", "style:not([type])", "script:not([type])", 'script[type="application/javascript"]', 'script[type="text/javascript"]' ].join(","),
map: {
link: "parseLink",
script: "parseScript",
style: "parseStyle"
},
dynamicElements: [],
parseNext: function() {
var next = this.nextToParse();
if (next) {
this.parse(next);
}
},
parse: function(elt) {
if (this.isParsed(elt)) {
flags.parse && console.log("[%s] is already parsed", elt.localName);
return;
}
var fn = this[this.map[elt.localName]];
if (fn) {
this.markParsing(elt);
fn.call(this, elt);
}
},
parseDynamic: function(elt, quiet) {
this.dynamicElements.push(elt);
if (!quiet) {
this.parseNext();
}
},
markParsing: function(elt) {
flags.parse && console.log("parsing", elt);
this.parsingElement = elt;
},
markParsingComplete: function(elt) {
elt.__importParsed = true;
this.markDynamicParsingComplete(elt);
if (elt.__importElement) {
elt.__importElement.__importParsed = true;
this.markDynamicParsingComplete(elt.__importElement);
}
this.parsingElement = null;
flags.parse && console.log("completed", elt);
},
markDynamicParsingComplete: function(elt) {
var i = this.dynamicElements.indexOf(elt);
if (i >= 0) {
this.dynamicElements.splice(i, 1);
}
},
parseImport: function(elt) {
elt.import = elt.__doc;
if (window.HTMLImports.__importsParsingHook) {
window.HTMLImports.__importsParsingHook(elt);
}
if (elt.import) {
elt.import.__importParsed = true;
}
this.markParsingComplete(elt);
if (elt.__resource && !elt.__error) {
elt.dispatchEvent(new CustomEvent("load", {
bubbles: false
}));
} else {
elt.dispatchEvent(new CustomEvent("error", {
bubbles: false
}));
}
if (elt.__pending) {
var fn;
while (elt.__pending.length) {
fn = elt.__pending.shift();
if (fn) {
fn({
target: elt
});
}
}
}
this.parseNext();
},
parseLink: function(linkElt) {
if (nodeIsImport(linkElt)) {
this.parseImport(linkElt);
} else {
linkElt.href = linkElt.href;
this.parseGeneric(linkElt);
}
},
parseStyle: function(elt) {
var src = elt;
elt = cloneStyle(elt);
src.__appliedElement = elt;
elt.__importElement = src;
this.parseGeneric(elt);
},
parseGeneric: function(elt) {
this.trackElement(elt);
this.addElementToDocument(elt);
},
rootImportForElement: function(elt) {
var n = elt;
while (n.ownerDocument.__importLink) {
n = n.ownerDocument.__importLink;
}
return n;
},
addElementToDocument: function(elt) {
var port = this.rootImportForElement(elt.__importElement || elt);
port.parentNode.insertBefore(elt, port);
},
trackElement: function(elt, callback) {
var self = this;
var done = function(e) {
elt.removeEventListener("load", done);
elt.removeEventListener("error", done);
if (callback) {
callback(e);
}
self.markParsingComplete(elt);
self.parseNext();
};
elt.addEventListener("load", done);
elt.addEventListener("error", done);
if (isIE && elt.localName === "style") {
var fakeLoad = false;
if (elt.textContent.indexOf("@import") == -1) {
fakeLoad = true;
} else if (elt.sheet) {
fakeLoad = true;
var csr = elt.sheet.cssRules;
var len = csr ? csr.length : 0;
for (var i = 0, r; i < len && (r = csr[i]); i++) {
if (r.type === CSSRule.IMPORT_RULE) {
fakeLoad = fakeLoad && Boolean(r.styleSheet);
}
}
}
if (fakeLoad) {
setTimeout(function() {
elt.dispatchEvent(new CustomEvent("load", {
bubbles: false
}));
});
}
}
},
parseScript: function(scriptElt) {
var script = document.createElement("script");
script.__importElement = scriptElt;
script.src = scriptElt.src ? scriptElt.src : generateScriptDataUrl(scriptElt);
scope.currentScript = scriptElt;
this.trackElement(script, function(e) {
if (script.parentNode) {
script.parentNode.removeChild(script);
}
scope.currentScript = null;
});
this.addElementToDocument(script);
},
nextToParse: function() {
this._mayParse = [];
return !this.parsingElement && (this.nextToParseInDoc(rootDocument) || this.nextToParseDynamic());
},
nextToParseInDoc: function(doc, link) {
if (doc && this._mayParse.indexOf(doc) < 0) {
this._mayParse.push(doc);
var nodes = doc.querySelectorAll(this.parseSelectorsForNode(doc));
for (var i = 0, l = nodes.length, n; i < l && (n = nodes[i]); i++) {
if (!this.isParsed(n)) {
if (this.hasResource(n)) {
return nodeIsImport(n) ? this.nextToParseInDoc(n.__doc, n) : n;
} else {
return;
}
}
}
}
return link;
},
nextToParseDynamic: function() {
return this.dynamicElements[0];
},
parseSelectorsForNode: function(node) {
var doc = node.ownerDocument || node;
return doc === rootDocument ? this.documentSelectors : this.importsSelectors;
},
isParsed: function(node) {
return node.__importParsed;
},
needsDynamicParsing: function(elt) {
return this.dynamicElements.indexOf(elt) >= 0;
},
hasResource: function(node) {
if (nodeIsImport(node) && node.__doc === undefined) {
return false;
}
return true;
}
};
function nodeIsImport(elt) {
return elt.localName === "link" && elt.rel === IMPORT_LINK_TYPE;
}
function generateScriptDataUrl(script) {
var scriptContent = generateScriptContent(script);
return "data:text/javascript;charset=utf-8," + encodeURIComponent(scriptContent);
}
function generateScriptContent(script) {
return script.textContent + generateSourceMapHint(script);
}
function generateSourceMapHint(script) {
var owner = script.ownerDocument;
owner.__importedScripts = owner.__importedScripts || 0;
var moniker = script.ownerDocument.baseURI;
var num = owner.__importedScripts ? "-" + owner.__importedScripts : "";
owner.__importedScripts++;
return "\n//# sourceURL=" + moniker + num + ".js\n";
}
function cloneStyle(style) {
var clone = style.ownerDocument.createElement("style");
clone.textContent = style.textContent;
path.resolveUrlsInStyle(clone);
return clone;
}
scope.parser = importParser;
scope.IMPORT_SELECTOR = IMPORT_SELECTOR;
});
window.HTMLImports.addModule(function(scope) {
var flags = scope.flags;
var IMPORT_LINK_TYPE = scope.IMPORT_LINK_TYPE;
var IMPORT_SELECTOR = scope.IMPORT_SELECTOR;
var rootDocument = scope.rootDocument;
var Loader = scope.Loader;
var Observer = scope.Observer;
var parser = scope.parser;
var importer = {
documents: {},
documentPreloadSelectors: IMPORT_SELECTOR,
importsPreloadSelectors: [ IMPORT_SELECTOR ].join(","),
loadNode: function(node) {
importLoader.addNode(node);
},
loadSubtree: function(parent) {
var nodes = this.marshalNodes(parent);
importLoader.addNodes(nodes);
},
marshalNodes: function(parent) {
return parent.querySelectorAll(this.loadSelectorsForNode(parent));
},
loadSelectorsForNode: function(node) {
var doc = node.ownerDocument || node;
return doc === rootDocument ? this.documentPreloadSelectors : this.importsPreloadSelectors;
},
loaded: function(url, elt, resource, err, redirectedUrl) {
flags.load && console.log("loaded", url, elt);
elt.__resource = resource;
elt.__error = err;
if (isImportLink(elt)) {
var doc = this.documents[url];
if (doc === undefined) {
doc = err ? null : makeDocument(resource, redirectedUrl || url);
if (doc) {
doc.__importLink = elt;
this.bootDocument(doc);
}
this.documents[url] = doc;
}
elt.__doc = doc;
}
parser.parseNext();
},
bootDocument: function(doc) {
this.loadSubtree(doc);
this.observer.observe(doc);
parser.parseNext();
},
loadedAll: function() {
parser.parseNext();
}
};
var importLoader = new Loader(importer.loaded.bind(importer), importer.loadedAll.bind(importer));
importer.observer = new Observer();
function isImportLink(elt) {
return isLinkRel(elt, IMPORT_LINK_TYPE);
}
function isLinkRel(elt, rel) {
return elt.localName === "link" && elt.getAttribute("rel") === rel;
}
function hasBaseURIAccessor(doc) {
return !!Object.getOwnPropertyDescriptor(doc, "baseURI");
}
function makeDocument(resource, url) {
var doc = document.implementation.createHTMLDocument(IMPORT_LINK_TYPE);
doc._URL = url;
var base = doc.createElement("base");
base.setAttribute("href", url);
if (!doc.baseURI && !hasBaseURIAccessor(doc)) {
Object.defineProperty(doc, "baseURI", {
value: url
});
}
var meta = doc.createElement("meta");
meta.setAttribute("charset", "utf-8");
doc.head.appendChild(meta);
doc.head.appendChild(base);
doc.body.innerHTML = resource;
if (window.HTMLTemplateElement && HTMLTemplateElement.bootstrap) {
HTMLTemplateElement.bootstrap(doc);
}
return doc;
}
if (!document.baseURI) {
var baseURIDescriptor = {
get: function() {
var base = document.querySelector("base");
return base ? base.href : window.location.href;
},
configurable: true
};
Object.defineProperty(document, "baseURI", baseURIDescriptor);
Object.defineProperty(rootDocument, "baseURI", baseURIDescriptor);
}
scope.importer = importer;
scope.importLoader = importLoader;
});
window.HTMLImports.addModule(function(scope) {
var parser = scope.parser;
var importer = scope.importer;
var dynamic = {
added: function(nodes) {
var owner, parsed, loading;
for (var i = 0, l = nodes.length, n; i < l && (n = nodes[i]); i++) {
if (!owner) {
owner = n.ownerDocument;
parsed = parser.isParsed(owner);
}
loading = this.shouldLoadNode(n);
if (loading) {
importer.loadNode(n);
}
if (this.shouldParseNode(n) && parsed) {
parser.parseDynamic(n, loading);
}
}
},
shouldLoadNode: function(node) {
return node.nodeType === 1 && matches.call(node, importer.loadSelectorsForNode(node));
},
shouldParseNode: function(node) {
return node.nodeType === 1 && matches.call(node, parser.parseSelectorsForNode(node));
}
};
importer.observer.addCallback = dynamic.added.bind(dynamic);
var matches = HTMLElement.prototype.matches || HTMLElement.prototype.matchesSelector || HTMLElement.prototype.webkitMatchesSelector || HTMLElement.prototype.mozMatchesSelector || HTMLElement.prototype.msMatchesSelector;
});
(function(scope) {
var initializeModules = scope.initializeModules;
var isIE = scope.isIE;
if (scope.useNative) {
return;
}
initializeModules();
var rootDocument = scope.rootDocument;
function bootstrap() {
window.HTMLImports.importer.bootDocument(rootDocument);
}
if (document.readyState === "complete" || document.readyState === "interactive" && !window.attachEvent) {
bootstrap();
} else {
document.addEventListener("DOMContentLoaded", bootstrap);
}
})(window.HTMLImports);© 2015 - 2024 Weber Informatics LLC | Privacy Policy