| /* |
| * Copyright (C) 2011 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| function createDescriptionList(items) { |
| var list = document.createElement('dl'); |
| items.forEach(function(pair) { |
| var dt = document.createElement('dt'); |
| dt.appendChild(pair[0]); |
| var dd = document.createElement('dd'); |
| dd.appendChild(pair[1]); |
| list.appendChild(dt); |
| list.appendChild(dd); |
| }); |
| return list; |
| } |
| |
| function fetchResource(url, method, queryParameters, callback, errorCallback) { |
| var xhr = new XMLHttpRequest(); |
| xhr.onreadystatechange = function() { |
| if (this.readyState !== 4) |
| return; |
| // Allow a status of 0 for easier testing with local files. |
| if (!this.status || this.status === 200) |
| callback(this); |
| else if (errorCallback) |
| errorCallback(this); |
| }; |
| |
| if (method === 'GET' && queryParameters) |
| url = addQueryParametersToURL(url, queryParameters); |
| |
| xhr.open(method, url); |
| |
| if (method === 'GET') { |
| xhr.send(); |
| return; |
| } |
| |
| var data = urlEncodeQueryParameters(queryParameters); |
| xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded'); |
| xhr.send(data); |
| } |
| |
| function getResource(url, callback, errorCallback) { |
| fetchResource(url, 'GET', null, callback, errorCallback); |
| } |
| |
| function urlEncodeQueryParameters(queryParameters) { |
| var encodedParameters = Object.keys(queryParameters).map(function(key) { |
| return key + '=' + encodeURIComponent(queryParameters[key]); |
| }); |
| return encodedParameters.join('&'); |
| } |
| |
| function addQueryParametersToURL(url, queryParameters) { |
| if (url.indexOf('?') < 0) |
| url += '?'; |
| else |
| url += '&'; |
| |
| return url + urlEncodeQueryParameters(queryParameters); |
| } |
| |
| function longestCommonPathPrefix(paths) { |
| const separator = '/'; |
| |
| var splitPaths = paths.map(function(path) { return path.split(separator) }); |
| var firstSplitPath = splitPaths.shift(); |
| |
| var result = []; |
| for (var i = 0; i < firstSplitPath.length; ++i) { |
| if (!splitPaths.every(function(splitPath) { return splitPath[i] === firstSplitPath[i] })) |
| break; |
| result.push(firstSplitPath[i]); |
| } |
| |
| if (!result.length) |
| return null; |
| return result.join(separator); |
| } |
| |
| function removePathExtension(string) { |
| var dotIndex = string.lastIndexOf('.'); |
| if (dotIndex < 0) |
| return string; |
| return string.substring(0, dotIndex); |
| } |
| |
| function sorted(array, sortFunction) { |
| var newArray = array.slice(); |
| newArray.sort(sortFunction); |
| return newArray; |
| } |
| |
| Array.prototype.contains = function(value) { |
| return this.indexOf(value) >= 0; |
| } |
| |
| Array.prototype.findFirst = function(predicate) { |
| for (var i = 0; i < this.length; ++i) { |
| if (predicate(this[i])) |
| return this[i]; |
| } |
| return null; |
| } |
| |
| Array.prototype.findLast = function(predicate) { |
| for (var i = this.length - 1; i >= 0; --i) { |
| if (predicate(this[i])) |
| return this[i]; |
| } |
| return null; |
| } |
| |
| Array.prototype.last = function() { |
| if (!this.length) |
| return undefined; |
| return this[this.length - 1]; |
| } |
| |
| Element.prototype.hasStyleClass = function(klass) { |
| var regex = new RegExp('\\b' + klass + '\\b'); |
| return regex.test(this.className); |
| } |
| |
| Element.prototype.addStyleClass = function(klass) { |
| if (this.hasStyleClass(klass)) |
| return; |
| this.className += ' ' + klass; |
| } |
| |
| Element.prototype.removeStyleClass = function(klass) { |
| var regex = new RegExp('\\b' + klass + '\\b', 'g'); |
| this.className = this.className.replace(regex, ''); |
| } |
| |
| Element.prototype.toggleStyleClass = function(klass) { |
| if (this.hasStyleClass(klass)) |
| this.removeStyleClass(klass); |
| else |
| this.addStyleClass(klass); |
| } |
| |
| Node.prototype.appendChildren = function(children) { |
| for (var i = 0; i < children.length; ++i) |
| this.appendChild(children[i]); |
| } |
| |
| Node.prototype.removeAllChildren = function() { |
| while (this.firstChild) |
| this.removeChild(this.firstChild); |
| } |
| |
| String.prototype.contains = function(substring) { |
| return this.indexOf(substring) >= 0; |
| } |