From bcf9b230be6d74c71567fd0771b31d47d8dd39c7 Mon Sep 17 00:00:00 2001 From: Brian Picciano Date: Thu, 21 Jan 2021 17:22:53 -0700 Subject: build the blog with nix --- assets/viz/1/goog/array/array.js | 1665 ------------- assets/viz/1/goog/asserts/asserts.js | 369 --- assets/viz/1/goog/base.js | 2727 --------------------- assets/viz/1/goog/debug/entrypointregistry.js | 159 -- assets/viz/1/goog/debug/error.js | 63 - assets/viz/1/goog/deps.js | 1508 ------------ assets/viz/1/goog/disposable/disposable.js | 308 --- assets/viz/1/goog/disposable/idisposable.js | 45 - assets/viz/1/goog/dom/browserfeature.js | 73 - assets/viz/1/goog/dom/dom.js | 2992 ------------------------ assets/viz/1/goog/dom/nodetype.js | 48 - assets/viz/1/goog/dom/safe.js | 372 --- assets/viz/1/goog/dom/tagname.js | 160 -- assets/viz/1/goog/dom/tags.js | 41 - assets/viz/1/goog/events/browserevent.js | 402 ---- assets/viz/1/goog/events/browserfeature.js | 84 - assets/viz/1/goog/events/event.js | 145 -- assets/viz/1/goog/events/eventid.js | 46 - 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All Rights Reserved. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS-IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -/** - * @fileoverview Utilities for manipulating arrays. - * - * @author arv@google.com (Erik Arvidsson) - */ - - -goog.provide('goog.array'); - -goog.require('goog.asserts'); - - -/** - * @define {boolean} NATIVE_ARRAY_PROTOTYPES indicates whether the code should - * rely on Array.prototype functions, if available. - * - * The Array.prototype functions can be defined by external libraries like - * Prototype and setting this flag to false forces closure to use its own - * goog.array implementation. - * - * If your javascript can be loaded by a third party site and you are wary about - * relying on the prototype functions, specify - * "--define goog.NATIVE_ARRAY_PROTOTYPES=false" to the JSCompiler. - * - * Setting goog.TRUSTED_SITE to false will automatically set - * NATIVE_ARRAY_PROTOTYPES to false. - */ -goog.define('goog.NATIVE_ARRAY_PROTOTYPES', goog.TRUSTED_SITE); - - -/** - * @define {boolean} If true, JSCompiler will use the native implementation of - * array functions where appropriate (e.g., {@code Array#filter}) and remove the - * unused pure JS implementation. - */ -goog.define('goog.array.ASSUME_NATIVE_FUNCTIONS', false); - - -/** - * Returns the last element in an array without removing it. - * Same as goog.array.last. - * @param {IArrayLike|string} array The array. - * @return {T} Last item in array. - * @template T - */ -goog.array.peek = function(array) { - return array[array.length - 1]; -}; - - -/** - * Returns the last element in an array without removing it. - * Same as goog.array.peek. - * @param {IArrayLike|string} array The array. - * @return {T} Last item in array. - * @template T - */ -goog.array.last = goog.array.peek; - -// NOTE(arv): Since most of the array functions are generic it allows you to -// pass an array-like object. Strings have a length and are considered array- -// like. However, the 'in' operator does not work on strings so we cannot just -// use the array path even if the browser supports indexing into strings. We -// therefore end up splitting the string. - - -/** - * Returns the index of the first element of an array with a specified value, or - * -1 if the element is not present in the array. - * - * See {@link http://tinyurl.com/developer-mozilla-org-array-indexof} - * - * @param {IArrayLike|string} arr The array to be searched. - * @param {T} obj The object for which we are searching. - * @param {number=} opt_fromIndex The index at which to start the search. If - * omitted the search starts at index 0. - * @return {number} The index of the first matching array element. - * @template T - */ -goog.array.indexOf = goog.NATIVE_ARRAY_PROTOTYPES && - (goog.array.ASSUME_NATIVE_FUNCTIONS || Array.prototype.indexOf) ? - function(arr, obj, opt_fromIndex) { - goog.asserts.assert(arr.length != null); - - return Array.prototype.indexOf.call(arr, obj, opt_fromIndex); - } : - function(arr, obj, opt_fromIndex) { - var fromIndex = opt_fromIndex == null ? - 0 : - (opt_fromIndex < 0 ? Math.max(0, arr.length + opt_fromIndex) : - opt_fromIndex); - - if (goog.isString(arr)) { - // Array.prototype.indexOf uses === so only strings should be found. - if (!goog.isString(obj) || obj.length != 1) { - return -1; - } - return arr.indexOf(obj, fromIndex); - } - - for (var i = fromIndex; i < arr.length; i++) { - if (i in arr && arr[i] === obj) return i; - } - return -1; - }; - - -/** - * Returns the index of the last element of an array with a specified value, or - * -1 if the element is not present in the array. - * - * See {@link http://tinyurl.com/developer-mozilla-org-array-lastindexof} - * - * @param {!IArrayLike|string} arr The array to be searched. - * @param {T} obj The object for which we are searching. - * @param {?number=} opt_fromIndex The index at which to start the search. If - * omitted the search starts at the end of the array. - * @return {number} The index of the last matching array element. - * @template T - */ -goog.array.lastIndexOf = goog.NATIVE_ARRAY_PROTOTYPES && - (goog.array.ASSUME_NATIVE_FUNCTIONS || Array.prototype.lastIndexOf) ? - function(arr, obj, opt_fromIndex) { - goog.asserts.assert(arr.length != null); - - // Firefox treats undefined and null as 0 in the fromIndex argument which - // leads it to always return -1 - var fromIndex = opt_fromIndex == null ? arr.length - 1 : opt_fromIndex; - return Array.prototype.lastIndexOf.call(arr, obj, fromIndex); - } : - function(arr, obj, opt_fromIndex) { - var fromIndex = opt_fromIndex == null ? arr.length - 1 : opt_fromIndex; - - if (fromIndex < 0) { - fromIndex = Math.max(0, arr.length + fromIndex); - } - - if (goog.isString(arr)) { - // Array.prototype.lastIndexOf uses === so only strings should be found. - if (!goog.isString(obj) || obj.length != 1) { - return -1; - } - return arr.lastIndexOf(obj, fromIndex); - } - - for (var i = fromIndex; i >= 0; i--) { - if (i in arr && arr[i] === obj) return i; - } - return -1; - }; - - -/** - * Calls a function for each element in an array. Skips holes in the array. - * See {@link http://tinyurl.com/developer-mozilla-org-array-foreach} - * - * @param {IArrayLike|string} arr Array or array like object over - * which to iterate. - * @param {?function(this: S, T, number, ?): ?} f The function to call for every - * element. This function takes 3 arguments (the element, the index and the - * array). The return value is ignored. - * @param {S=} opt_obj The object to be used as the value of 'this' within f. - * @template T,S - */ -goog.array.forEach = goog.NATIVE_ARRAY_PROTOTYPES && - (goog.array.ASSUME_NATIVE_FUNCTIONS || Array.prototype.forEach) ? - function(arr, f, opt_obj) { - goog.asserts.assert(arr.length != null); - - Array.prototype.forEach.call(arr, f, opt_obj); - } : - function(arr, f, opt_obj) { - var l = arr.length; // must be fixed during loop... see docs - var arr2 = goog.isString(arr) ? arr.split('') : arr; - for (var i = 0; i < l; i++) { - if (i in arr2) { - f.call(/** @type {?} */ (opt_obj), arr2[i], i, arr); - } - } - }; - - -/** - * Calls a function for each element in an array, starting from the last - * element rather than the first. - * - * @param {IArrayLike|string} arr Array or array - * like object over which to iterate. - * @param {?function(this: S, T, number, ?): ?} f The function to call for every - * element. This function - * takes 3 arguments (the element, the index and the array). The return - * value is ignored. - * @param {S=} opt_obj The object to be used as the value of 'this' - * within f. - * @template T,S - */ -goog.array.forEachRight = function(arr, f, opt_obj) { - var l = arr.length; // must be fixed during loop... see docs - var arr2 = goog.isString(arr) ? arr.split('') : arr; - for (var i = l - 1; i >= 0; --i) { - if (i in arr2) { - f.call(/** @type {?} */ (opt_obj), arr2[i], i, arr); - } - } -}; - - -/** - * Calls a function for each element in an array, and if the function returns - * true adds the element to a new array. - * - * See {@link http://tinyurl.com/developer-mozilla-org-array-filter} - * - * @param {IArrayLike|string} arr Array or array - * like object over which to iterate. - * @param {?function(this:S, T, number, ?):boolean} f The function to call for - * every element. This function - * takes 3 arguments (the element, the index and the array) and must - * return a Boolean. If the return value is true the element is added to the - * result array. If it is false the element is not included. - * @param {S=} opt_obj The object to be used as the value of 'this' - * within f. - * @return {!Array} a new array in which only elements that passed the test - * are present. - * @template T,S - */ -goog.array.filter = goog.NATIVE_ARRAY_PROTOTYPES && - (goog.array.ASSUME_NATIVE_FUNCTIONS || Array.prototype.filter) ? - function(arr, f, opt_obj) { - goog.asserts.assert(arr.length != null); - - return Array.prototype.filter.call(arr, f, opt_obj); - } : - function(arr, f, opt_obj) { - var l = arr.length; // must be fixed during loop... see docs - var res = []; - var resLength = 0; - var arr2 = goog.isString(arr) ? arr.split('') : arr; - for (var i = 0; i < l; i++) { - if (i in arr2) { - var val = arr2[i]; // in case f mutates arr2 - if (f.call(/** @type {?} */ (opt_obj), val, i, arr)) { - res[resLength++] = val; - } - } - } - return res; - }; - - -/** - * Calls a function for each element in an array and inserts the result into a - * new array. - * - * See {@link http://tinyurl.com/developer-mozilla-org-array-map} - * - * @param {IArrayLike|string} arr Array or array like object - * over which to iterate. - * @param {function(this:THIS, VALUE, number, ?): RESULT} f The function to call - * for every element. This function takes 3 arguments (the element, - * the index and the array) and should return something. The result will be - * inserted into a new array. - * @param {THIS=} opt_obj The object to be used as the value of 'this' within f. - * @return {!Array} a new array with the results from f. - * @template THIS, VALUE, RESULT - */ -goog.array.map = goog.NATIVE_ARRAY_PROTOTYPES && - (goog.array.ASSUME_NATIVE_FUNCTIONS || Array.prototype.map) ? - function(arr, f, opt_obj) { - goog.asserts.assert(arr.length != null); - - return Array.prototype.map.call(arr, f, opt_obj); - } : - function(arr, f, opt_obj) { - var l = arr.length; // must be fixed during loop... see docs - var res = new Array(l); - var arr2 = goog.isString(arr) ? arr.split('') : arr; - for (var i = 0; i < l; i++) { - if (i in arr2) { - res[i] = f.call(/** @type {?} */ (opt_obj), arr2[i], i, arr); - } - } - return res; - }; - - -/** - * Passes every element of an array into a function and accumulates the result. - * - * See {@link http://tinyurl.com/developer-mozilla-org-array-reduce} - * - * For example: - * var a = [1, 2, 3, 4]; - * goog.array.reduce(a, function(r, v, i, arr) {return r + v;}, 0); - * returns 10 - * - * @param {IArrayLike|string} arr Array or array - * like object over which to iterate. - * @param {function(this:S, R, T, number, ?) : R} f The function to call for - * every element. This function - * takes 4 arguments (the function's previous result or the initial value, - * the value of the current array element, the current array index, and the - * array itself) - * function(previousValue, currentValue, index, array). - * @param {?} val The initial value to pass into the function on the first call. - * @param {S=} opt_obj The object to be used as the value of 'this' - * within f. - * @return {R} Result of evaluating f repeatedly across the values of the array. - * @template T,S,R - */ -goog.array.reduce = goog.NATIVE_ARRAY_PROTOTYPES && - (goog.array.ASSUME_NATIVE_FUNCTIONS || Array.prototype.reduce) ? - function(arr, f, val, opt_obj) { - goog.asserts.assert(arr.length != null); - if (opt_obj) { - f = goog.bind(f, opt_obj); - } - return Array.prototype.reduce.call(arr, f, val); - } : - function(arr, f, val, opt_obj) { - var rval = val; - goog.array.forEach(arr, function(val, index) { - rval = f.call(/** @type {?} */ (opt_obj), rval, val, index, arr); - }); - return rval; - }; - - -/** - * Passes every element of an array into a function and accumulates the result, - * starting from the last element and working towards the first. - * - * See {@link http://tinyurl.com/developer-mozilla-org-array-reduceright} - * - * For example: - * var a = ['a', 'b', 'c']; - * goog.array.reduceRight(a, function(r, v, i, arr) {return r + v;}, ''); - * returns 'cba' - * - * @param {IArrayLike|string} arr Array or array - * like object over which to iterate. - * @param {?function(this:S, R, T, number, ?) : R} f The function to call for - * every element. This function - * takes 4 arguments (the function's previous result or the initial value, - * the value of the current array element, the current array index, and the - * array itself) - * function(previousValue, currentValue, index, array). - * @param {?} val The initial value to pass into the function on the first call. - * @param {S=} opt_obj The object to be used as the value of 'this' - * within f. - * @return {R} Object returned as a result of evaluating f repeatedly across the - * values of the array. - * @template T,S,R - */ -goog.array.reduceRight = goog.NATIVE_ARRAY_PROTOTYPES && - (goog.array.ASSUME_NATIVE_FUNCTIONS || Array.prototype.reduceRight) ? - function(arr, f, val, opt_obj) { - goog.asserts.assert(arr.length != null); - goog.asserts.assert(f != null); - if (opt_obj) { - f = goog.bind(f, opt_obj); - } - return Array.prototype.reduceRight.call(arr, f, val); - } : - function(arr, f, val, opt_obj) { - var rval = val; - goog.array.forEachRight(arr, function(val, index) { - rval = f.call(/** @type {?} */ (opt_obj), rval, val, index, arr); - }); - return rval; - }; - - -/** - * Calls f for each element of an array. If any call returns true, some() - * returns true (without checking the remaining elements). If all calls - * return false, some() returns false. - * - * See {@link http://tinyurl.com/developer-mozilla-org-array-some} - * - * @param {IArrayLike|string} arr Array or array - * like object over which to iterate. - * @param {?function(this:S, T, number, ?) : boolean} f The function to call for - * for every element. This function takes 3 arguments (the element, the - * index and the array) and should return a boolean. - * @param {S=} opt_obj The object to be used as the value of 'this' - * within f. - * @return {boolean} true if any element passes the test. - * @template T,S - */ -goog.array.some = goog.NATIVE_ARRAY_PROTOTYPES && - (goog.array.ASSUME_NATIVE_FUNCTIONS || Array.prototype.some) ? - function(arr, f, opt_obj) { - goog.asserts.assert(arr.length != null); - - return Array.prototype.some.call(arr, f, opt_obj); - } : - function(arr, f, opt_obj) { - var l = arr.length; // must be fixed during loop... see docs - var arr2 = goog.isString(arr) ? arr.split('') : arr; - for (var i = 0; i < l; i++) { - if (i in arr2 && f.call(/** @type {?} */ (opt_obj), arr2[i], i, arr)) { - return true; - } - } - return false; - }; - - -/** - * Call f for each element of an array. If all calls return true, every() - * returns true. If any call returns false, every() returns false and - * does not continue to check the remaining elements. - * - * See {@link http://tinyurl.com/developer-mozilla-org-array-every} - * - * @param {IArrayLike|string} arr Array or array - * like object over which to iterate. - * @param {?function(this:S, T, number, ?) : boolean} f The function to call for - * for every element. This function takes 3 arguments (the element, the - * index and the array) and should return a boolean. - * @param {S=} opt_obj The object to be used as the value of 'this' - * within f. - * @return {boolean} false if any element fails the test. - * @template T,S - */ -goog.array.every = goog.NATIVE_ARRAY_PROTOTYPES && - (goog.array.ASSUME_NATIVE_FUNCTIONS || Array.prototype.every) ? - function(arr, f, opt_obj) { - goog.asserts.assert(arr.length != null); - - return Array.prototype.every.call(arr, f, opt_obj); - } : - function(arr, f, opt_obj) { - var l = arr.length; // must be fixed during loop... see docs - var arr2 = goog.isString(arr) ? arr.split('') : arr; - for (var i = 0; i < l; i++) { - if (i in arr2 && !f.call(/** @type {?} */ (opt_obj), arr2[i], i, arr)) { - return false; - } - } - return true; - }; - - -/** - * Counts the array elements that fulfill the predicate, i.e. for which the - * callback function returns true. Skips holes in the array. - * - * @param {!IArrayLike|string} arr Array or array like object - * over which to iterate. - * @param {function(this: S, T, number, ?): boolean} f The function to call for - * every element. Takes 3 arguments (the element, the index and the array). - * @param {S=} opt_obj The object to be used as the value of 'this' within f. - * @return {number} The number of the matching elements. - * @template T,S - */ -goog.array.count = function(arr, f, opt_obj) { - var count = 0; - goog.array.forEach(arr, function(element, index, arr) { - if (f.call(/** @type {?} */ (opt_obj), element, index, arr)) { - ++count; - } - }, opt_obj); - return count; -}; - - -/** - * Search an array for the first element that satisfies a given condition and - * return that element. - * @param {IArrayLike|string} arr Array or array - * like object over which to iterate. - * @param {?function(this:S, T, number, ?) : boolean} f The function to call - * for every element. This function takes 3 arguments (the element, the - * index and the array) and should return a boolean. - * @param {S=} opt_obj An optional "this" context for the function. - * @return {T|null} The first array element that passes the test, or null if no - * element is found. - * @template T,S - */ -goog.array.find = function(arr, f, opt_obj) { - var i = goog.array.findIndex(arr, f, opt_obj); - return i < 0 ? null : goog.isString(arr) ? arr.charAt(i) : arr[i]; -}; - - -/** - * Search an array for the first element that satisfies a given condition and - * return its index. - * @param {IArrayLike|string} arr Array or array - * like object over which to iterate. - * @param {?function(this:S, T, number, ?) : boolean} f The function to call for - * every element. This function - * takes 3 arguments (the element, the index and the array) and should - * return a boolean. - * @param {S=} opt_obj An optional "this" context for the function. - * @return {number} The index of the first array element that passes the test, - * or -1 if no element is found. - * @template T,S - */ -goog.array.findIndex = function(arr, f, opt_obj) { - var l = arr.length; // must be fixed during loop... see docs - var arr2 = goog.isString(arr) ? arr.split('') : arr; - for (var i = 0; i < l; i++) { - if (i in arr2 && f.call(/** @type {?} */ (opt_obj), arr2[i], i, arr)) { - return i; - } - } - return -1; -}; - - -/** - * Search an array (in reverse order) for the last element that satisfies a - * given condition and return that element. - * @param {IArrayLike|string} arr Array or array - * like object over which to iterate. - * @param {?function(this:S, T, number, ?) : boolean} f The function to call - * for every element. This function - * takes 3 arguments (the element, the index and the array) and should - * return a boolean. - * @param {S=} opt_obj An optional "this" context for the function. - * @return {T|null} The last array element that passes the test, or null if no - * element is found. - * @template T,S - */ -goog.array.findRight = function(arr, f, opt_obj) { - var i = goog.array.findIndexRight(arr, f, opt_obj); - return i < 0 ? null : goog.isString(arr) ? arr.charAt(i) : arr[i]; -}; - - -/** - * Search an array (in reverse order) for the last element that satisfies a - * given condition and return its index. - * @param {IArrayLike|string} arr Array or array - * like object over which to iterate. - * @param {?function(this:S, T, number, ?) : boolean} f The function to call - * for every element. This function - * takes 3 arguments (the element, the index and the array) and should - * return a boolean. - * @param {S=} opt_obj An optional "this" context for the function. - * @return {number} The index of the last array element that passes the test, - * or -1 if no element is found. - * @template T,S - */ -goog.array.findIndexRight = function(arr, f, opt_obj) { - var l = arr.length; // must be fixed during loop... see docs - var arr2 = goog.isString(arr) ? arr.split('') : arr; - for (var i = l - 1; i >= 0; i--) { - if (i in arr2 && f.call(/** @type {?} */ (opt_obj), arr2[i], i, arr)) { - return i; - } - } - return -1; -}; - - -/** - * Whether the array contains the given object. - * @param {IArrayLike|string} arr The array to test for the presence of the - * element. - * @param {*} obj The object for which to test. - * @return {boolean} true if obj is present. - */ -goog.array.contains = function(arr, obj) { - return goog.array.indexOf(arr, obj) >= 0; -}; - - -/** - * Whether the array is empty. - * @param {IArrayLike|string} arr The array to test. - * @return {boolean} true if empty. - */ -goog.array.isEmpty = function(arr) { - return arr.length == 0; -}; - - -/** - * Clears the array. - * @param {IArrayLike} arr Array or array like object to clear. - */ -goog.array.clear = function(arr) { - // For non real arrays we don't have the magic length so we delete the - // indices. - if (!goog.isArray(arr)) { - for (var i = arr.length - 1; i >= 0; i--) { - delete arr[i]; - } - } - arr.length = 0; -}; - - -/** - * Pushes an item into an array, if it's not already in the array. - * @param {Array} arr Array into which to insert the item. - * @param {T} obj Value to add. - * @template T - */ -goog.array.insert = function(arr, obj) { - if (!goog.array.contains(arr, obj)) { - arr.push(obj); - } -}; - - -/** - * Inserts an object at the given index of the array. - * @param {IArrayLike} arr The array to modify. - * @param {*} obj The object to insert. - * @param {number=} opt_i The index at which to insert the object. If omitted, - * treated as 0. A negative index is counted from the end of the array. - */ -goog.array.insertAt = function(arr, obj, opt_i) { - goog.array.splice(arr, opt_i, 0, obj); -}; - - -/** - * Inserts at the given index of the array, all elements of another array. - * @param {IArrayLike} arr The array to modify. - * @param {IArrayLike} elementsToAdd The array of elements to add. - * @param {number=} opt_i The index at which to insert the object. If omitted, - * treated as 0. A negative index is counted from the end of the array. - */ -goog.array.insertArrayAt = function(arr, elementsToAdd, opt_i) { - goog.partial(goog.array.splice, arr, opt_i, 0).apply(null, elementsToAdd); -}; - - -/** - * Inserts an object into an array before a specified object. - * @param {Array} arr The array to modify. - * @param {T} obj The object to insert. - * @param {T=} opt_obj2 The object before which obj should be inserted. If obj2 - * is omitted or not found, obj is inserted at the end of the array. - * @template T - */ -goog.array.insertBefore = function(arr, obj, opt_obj2) { - var i; - if (arguments.length == 2 || (i = goog.array.indexOf(arr, opt_obj2)) < 0) { - arr.push(obj); - } else { - goog.array.insertAt(arr, obj, i); - } -}; - - -/** - * Removes the first occurrence of a particular value from an array. - * @param {IArrayLike} arr Array from which to remove - * value. - * @param {T} obj Object to remove. - * @return {boolean} True if an element was removed. - * @template T - */ -goog.array.remove = function(arr, obj) { - var i = goog.array.indexOf(arr, obj); - var rv; - if ((rv = i >= 0)) { - goog.array.removeAt(arr, i); - } - return rv; -}; - - -/** - * Removes the last occurrence of a particular value from an array. - * @param {!IArrayLike} arr Array from which to remove value. - * @param {T} obj Object to remove. - * @return {boolean} True if an element was removed. - * @template T - */ -goog.array.removeLast = function(arr, obj) { - var i = goog.array.lastIndexOf(arr, obj); - if (i >= 0) { - goog.array.removeAt(arr, i); - return true; - } - return false; -}; - - -/** - * Removes from an array the element at index i - * @param {IArrayLike} arr Array or array like object from which to - * remove value. - * @param {number} i The index to remove. - * @return {boolean} True if an element was removed. - */ -goog.array.removeAt = function(arr, i) { - goog.asserts.assert(arr.length != null); - - // use generic form of splice - // splice returns the removed items and if successful the length of that - // will be 1 - return Array.prototype.splice.call(arr, i, 1).length == 1; -}; - - -/** - * Removes the first value that satisfies the given condition. - * @param {IArrayLike} arr Array or array - * like object over which to iterate. - * @param {?function(this:S, T, number, ?) : boolean} f The function to call - * for every element. This function - * takes 3 arguments (the element, the index and the array) and should - * return a boolean. - * @param {S=} opt_obj An optional "this" context for the function. - * @return {boolean} True if an element was removed. - * @template T,S - */ -goog.array.removeIf = function(arr, f, opt_obj) { - var i = goog.array.findIndex(arr, f, opt_obj); - if (i >= 0) { - goog.array.removeAt(arr, i); - return true; - } - return false; -}; - - -/** - * Removes all values that satisfy the given condition. - * @param {IArrayLike} arr Array or array - * like object over which to iterate. - * @param {?function(this:S, T, number, ?) : boolean} f The function to call - * for every element. This function - * takes 3 arguments (the element, the index and the array) and should - * return a boolean. - * @param {S=} opt_obj An optional "this" context for the function. - * @return {number} The number of items removed - * @template T,S - */ -goog.array.removeAllIf = function(arr, f, opt_obj) { - var removedCount = 0; - goog.array.forEachRight(arr, function(val, index) { - if (f.call(/** @type {?} */ (opt_obj), val, index, arr)) { - if (goog.array.removeAt(arr, index)) { - removedCount++; - } - } - }); - return removedCount; -}; - - -/** - * Returns a new array that is the result of joining the arguments. If arrays - * are passed then their items are added, however, if non-arrays are passed they - * will be added to the return array as is. - * - * Note that ArrayLike objects will be added as is, rather than having their - * items added. - * - * goog.array.concat([1, 2], [3, 4]) -> [1, 2, 3, 4] - * goog.array.concat(0, [1, 2]) -> [0, 1, 2] - * goog.array.concat([1, 2], null) -> [1, 2, null] - * - * There is bug in all current versions of IE (6, 7 and 8) where arrays created - * in an iframe become corrupted soon (not immediately) after the iframe is - * destroyed. This is common if loading data via goog.net.IframeIo, for example. - * This corruption only affects the concat method which will start throwing - * Catastrophic Errors (#-2147418113). - * - * See http://endoflow.com/scratch/corrupted-arrays.html for a test case. - * - * Internally goog.array should use this, so that all methods will continue to - * work on these broken array objects. - * - * @param {...*} var_args Items to concatenate. Arrays will have each item - * added, while primitives and objects will be added as is. - * @return {!Array} The new resultant array. - */ -goog.array.concat = function(var_args) { - return Array.prototype.concat.apply(Array.prototype, arguments); -}; - - -/** - * Returns a new array that contains the contents of all the arrays passed. - * @param {...!Array} var_args - * @return {!Array} - * @template T - */ -goog.array.join = function(var_args) { - return Array.prototype.concat.apply(Array.prototype, arguments); -}; - - -/** - * Converts an object to an array. - * @param {IArrayLike|string} object The object to convert to an - * array. - * @return {!Array} The object converted into an array. If object has a - * length property, every property indexed with a non-negative number - * less than length will be included in the result. If object does not - * have a length property, an empty array will be returned. - * @template T - */ -goog.array.toArray = function(object) { - var length = object.length; - - // If length is not a number the following it false. This case is kept for - // backwards compatibility since there are callers that pass objects that are - // not array like. - if (length > 0) { - var rv = new Array(length); - for (var i = 0; i < length; i++) { - rv[i] = object[i]; - } - return rv; - } - return []; -}; - - -/** - * Does a shallow copy of an array. - * @param {IArrayLike|string} arr Array or array-like object to - * clone. - * @return {!Array} Clone of the input array. - * @template T - */ -goog.array.clone = goog.array.toArray; - - -/** - * Extends an array with another array, element, or "array like" object. - * This function operates 'in-place', it does not create a new Array. - * - * Example: - * var a = []; - * goog.array.extend(a, [0, 1]); - * a; // [0, 1] - * goog.array.extend(a, 2); - * a; // [0, 1, 2] - * - * @param {Array} arr1 The array to modify. - * @param {...(Array|VALUE)} var_args The elements or arrays of elements - * to add to arr1. - * @template VALUE - */ -goog.array.extend = function(arr1, var_args) { - for (var i = 1; i < arguments.length; i++) { - var arr2 = arguments[i]; - if (goog.isArrayLike(arr2)) { - var len1 = arr1.length || 0; - var len2 = arr2.length || 0; - arr1.length = len1 + len2; - for (var j = 0; j < len2; j++) { - arr1[len1 + j] = arr2[j]; - } - } else { - arr1.push(arr2); - } - } -}; - - -/** - * Adds or removes elements from an array. This is a generic version of Array - * splice. This means that it might work on other objects similar to arrays, - * such as the arguments object. - * - * @param {IArrayLike} arr The array to modify. - * @param {number|undefined} index The index at which to start changing the - * array. If not defined, treated as 0. - * @param {number} howMany How many elements to remove (0 means no removal. A - * value below 0 is treated as zero and so is any other non number. Numbers - * are floored). - * @param {...T} var_args Optional, additional elements to insert into the - * array. - * @return {!Array} the removed elements. - * @template T - */ -goog.array.splice = function(arr, index, howMany, var_args) { - goog.asserts.assert(arr.length != null); - - return Array.prototype.splice.apply(arr, goog.array.slice(arguments, 1)); -}; - - -/** - * Returns a new array from a segment of an array. This is a generic version of - * Array slice. This means that it might work on other objects similar to - * arrays, such as the arguments object. - * - * @param {IArrayLike|string} arr The array from - * which to copy a segment. - * @param {number} start The index of the first element to copy. - * @param {number=} opt_end The index after the last element to copy. - * @return {!Array} A new array containing the specified segment of the - * original array. - * @template T - */ -goog.array.slice = function(arr, start, opt_end) { - goog.asserts.assert(arr.length != null); - - // passing 1 arg to slice is not the same as passing 2 where the second is - // null or undefined (in that case the second argument is treated as 0). - // we could use slice on the arguments object and then use apply instead of - // testing the length - if (arguments.length <= 2) { - return Array.prototype.slice.call(arr, start); - } else { - return Array.prototype.slice.call(arr, start, opt_end); - } -}; - - -/** - * Removes all duplicates from an array (retaining only the first - * occurrence of each array element). This function modifies the - * array in place and doesn't change the order of the non-duplicate items. - * - * For objects, duplicates are identified as having the same unique ID as - * defined by {@link goog.getUid}. - * - * Alternatively you can specify a custom hash function that returns a unique - * value for each item in the array it should consider unique. - * - * Runtime: N, - * Worstcase space: 2N (no dupes) - * - * @param {IArrayLike} arr The array from which to remove - * duplicates. - * @param {Array=} opt_rv An optional array in which to return the results, - * instead of performing the removal inplace. If specified, the original - * array will remain unchanged. - * @param {function(T):string=} opt_hashFn An optional function to use to - * apply to every item in the array. This function should return a unique - * value for each item in the array it should consider unique. - * @template T - */ -goog.array.removeDuplicates = function(arr, opt_rv, opt_hashFn) { - var returnArray = opt_rv || arr; - var defaultHashFn = function(item) { - // Prefix each type with a single character representing the type to - // prevent conflicting keys (e.g. true and 'true'). - return goog.isObject(item) ? 'o' + goog.getUid(item) : - (typeof item).charAt(0) + item; - }; - var hashFn = opt_hashFn || defaultHashFn; - - var seen = {}, cursorInsert = 0, cursorRead = 0; - while (cursorRead < arr.length) { - var current = arr[cursorRead++]; - var key = hashFn(current); - if (!Object.prototype.hasOwnProperty.call(seen, key)) { - seen[key] = true; - returnArray[cursorInsert++] = current; - } - } - returnArray.length = cursorInsert; -}; - - -/** - * Searches the specified array for the specified target using the binary - * search algorithm. If no opt_compareFn is specified, elements are compared - * using goog.array.defaultCompare, which compares the elements - * using the built in < and > operators. This will produce the expected - * behavior for homogeneous arrays of String(s) and Number(s). The array - * specified must be sorted in ascending order (as defined by the - * comparison function). If the array is not sorted, results are undefined. - * If the array contains multiple instances of the specified target value, any - * of these instances may be found. - * - * Runtime: O(log n) - * - * @param {IArrayLike} arr The array to be searched. - * @param {TARGET} target The sought value. - * @param {function(TARGET, VALUE): number=} opt_compareFn Optional comparison - * function by which the array is ordered. Should take 2 arguments to - * compare, and return a negative number, zero, or a positive number - * depending on whether the first argument is less than, equal to, or - * greater than the second. - * @return {number} Lowest index of the target value if found, otherwise - * (-(insertion point) - 1). The insertion point is where the value should - * be inserted into arr to preserve the sorted property. Return value >= 0 - * iff target is found. - * @template TARGET, VALUE - */ -goog.array.binarySearch = function(arr, target, opt_compareFn) { - return goog.array.binarySearch_( - arr, opt_compareFn || goog.array.defaultCompare, false /* isEvaluator */, - target); -}; - - -/** - * Selects an index in the specified array using the binary search algorithm. - * The evaluator receives an element and determines whether the desired index - * is before, at, or after it. The evaluator must be consistent (formally, - * goog.array.map(goog.array.map(arr, evaluator, opt_obj), goog.math.sign) - * must be monotonically non-increasing). - * - * Runtime: O(log n) - * - * @param {IArrayLike} arr The array to be searched. - * @param {function(this:THIS, VALUE, number, ?): number} evaluator - * Evaluator function that receives 3 arguments (the element, the index and - * the array). Should return a negative number, zero, or a positive number - * depending on whether the desired index is before, at, or after the - * element passed to it. - * @param {THIS=} opt_obj The object to be used as the value of 'this' - * within evaluator. - * @return {number} Index of the leftmost element matched by the evaluator, if - * such exists; otherwise (-(insertion point) - 1). The insertion point is - * the index of the first element for which the evaluator returns negative, - * or arr.length if no such element exists. The return value is non-negative - * iff a match is found. - * @template THIS, VALUE - */ -goog.array.binarySelect = function(arr, evaluator, opt_obj) { - return goog.array.binarySearch_( - arr, evaluator, true /* isEvaluator */, undefined /* opt_target */, - opt_obj); -}; - - -/** - * Implementation of a binary search algorithm which knows how to use both - * comparison functions and evaluators. If an evaluator is provided, will call - * the evaluator with the given optional data object, conforming to the - * interface defined in binarySelect. Otherwise, if a comparison function is - * provided, will call the comparison function against the given data object. - * - * This implementation purposefully does not use goog.bind or goog.partial for - * performance reasons. - * - * Runtime: O(log n) - * - * @param {IArrayLike} arr The array to be searched. - * @param {function(?, ?, ?): number | function(?, ?): number} compareFn - * Either an evaluator or a comparison function, as defined by binarySearch - * and binarySelect above. - * @param {boolean} isEvaluator Whether the function is an evaluator or a - * comparison function. - * @param {?=} opt_target If the function is a comparison function, then - * this is the target to binary search for. - * @param {Object=} opt_selfObj If the function is an evaluator, this is an - * optional this object for the evaluator. - * @return {number} Lowest index of the target value if found, otherwise - * (-(insertion point) - 1). The insertion point is where the value should - * be inserted into arr to preserve the sorted property. Return value >= 0 - * iff target is found. - * @private - */ -goog.array.binarySearch_ = function( - arr, compareFn, isEvaluator, opt_target, opt_selfObj) { - var left = 0; // inclusive - var right = arr.length; // exclusive - var found; - while (left < right) { - var middle = (left + right) >> 1; - var compareResult; - if (isEvaluator) { - compareResult = compareFn.call(opt_selfObj, arr[middle], middle, arr); - } else { - // NOTE(dimvar): To avoid this cast, we'd have to use function overloading - // for the type of binarySearch_, which the type system can't express yet. - compareResult = /** @type {function(?, ?): number} */ (compareFn)( - opt_target, arr[middle]); - } - if (compareResult > 0) { - left = middle + 1; - } else { - right = middle; - // We are looking for the lowest index so we can't return immediately. - found = !compareResult; - } - } - // left is the index if found, or the insertion point otherwise. - // ~left is a shorthand for -left - 1. - return found ? left : ~left; -}; - - -/** - * Sorts the specified array into ascending order. If no opt_compareFn is - * specified, elements are compared using - * goog.array.defaultCompare, which compares the elements using - * the built in < and > operators. This will produce the expected behavior - * for homogeneous arrays of String(s) and Number(s), unlike the native sort, - * but will give unpredictable results for heterogeneous lists of strings and - * numbers with different numbers of digits. - * - * This sort is not guaranteed to be stable. - * - * Runtime: Same as Array.prototype.sort - * - * @param {Array} arr The array to be sorted. - * @param {?function(T,T):number=} opt_compareFn Optional comparison - * function by which the - * array is to be ordered. Should take 2 arguments to compare, and return a - * negative number, zero, or a positive number depending on whether the - * first argument is less than, equal to, or greater than the second. - * @template T - */ -goog.array.sort = function(arr, opt_compareFn) { - // TODO(arv): Update type annotation since null is not accepted. - arr.sort(opt_compareFn || goog.array.defaultCompare); -}; - - -/** - * Sorts the specified array into ascending order in a stable way. If no - * opt_compareFn is specified, elements are compared using - * goog.array.defaultCompare, which compares the elements using - * the built in < and > operators. This will produce the expected behavior - * for homogeneous arrays of String(s) and Number(s). - * - * Runtime: Same as Array.prototype.sort, plus an additional - * O(n) overhead of copying the array twice. - * - * @param {Array} arr The array to be sorted. - * @param {?function(T, T): number=} opt_compareFn Optional comparison function - * by which the array is to be ordered. Should take 2 arguments to compare, - * and return a negative number, zero, or a positive number depending on - * whether the first argument is less than, equal to, or greater than the - * second. - * @template T - */ -goog.array.stableSort = function(arr, opt_compareFn) { - var compArr = new Array(arr.length); - for (var i = 0; i < arr.length; i++) { - compArr[i] = {index: i, value: arr[i]}; - } - var valueCompareFn = opt_compareFn || goog.array.defaultCompare; - function stableCompareFn(obj1, obj2) { - return valueCompareFn(obj1.value, obj2.value) || obj1.index - obj2.index; - } - goog.array.sort(compArr, stableCompareFn); - for (var i = 0; i < arr.length; i++) { - arr[i] = compArr[i].value; - } -}; - - -/** - * Sort the specified array into ascending order based on item keys - * returned by the specified key function. - * If no opt_compareFn is specified, the keys are compared in ascending order - * using goog.array.defaultCompare. - * - * Runtime: O(S(f(n)), where S is runtime of goog.array.sort - * and f(n) is runtime of the key function. - * - * @param {Array} arr The array to be sorted. - * @param {function(T): K} keyFn Function taking array element and returning - * a key used for sorting this element. - * @param {?function(K, K): number=} opt_compareFn Optional comparison function - * by which the keys are to be ordered. Should take 2 arguments to compare, - * and return a negative number, zero, or a positive number depending on - * whether the first argument is less than, equal to, or greater than the - * second. - * @template T,K - */ -goog.array.sortByKey = function(arr, keyFn, opt_compareFn) { - var keyCompareFn = opt_compareFn || goog.array.defaultCompare; - goog.array.sort( - arr, function(a, b) { return keyCompareFn(keyFn(a), keyFn(b)); }); -}; - - -/** - * Sorts an array of objects by the specified object key and compare - * function. If no compare function is provided, the key values are - * compared in ascending order using goog.array.defaultCompare. - * This won't work for keys that get renamed by the compiler. So use - * {'foo': 1, 'bar': 2} rather than {foo: 1, bar: 2}. - * @param {Array} arr An array of objects to sort. - * @param {string} key The object key to sort by. - * @param {Function=} opt_compareFn The function to use to compare key - * values. - */ -goog.array.sortObjectsByKey = function(arr, key, opt_compareFn) { - goog.array.sortByKey(arr, function(obj) { return obj[key]; }, opt_compareFn); -}; - - -/** - * Tells if the array is sorted. - * @param {!Array} arr The array. - * @param {?function(T,T):number=} opt_compareFn Function to compare the - * array elements. - * Should take 2 arguments to compare, and return a negative number, zero, - * or a positive number depending on whether the first argument is less - * than, equal to, or greater than the second. - * @param {boolean=} opt_strict If true no equal elements are allowed. - * @return {boolean} Whether the array is sorted. - * @template T - */ -goog.array.isSorted = function(arr, opt_compareFn, opt_strict) { - var compare = opt_compareFn || goog.array.defaultCompare; - for (var i = 1; i < arr.length; i++) { - var compareResult = compare(arr[i - 1], arr[i]); - if (compareResult > 0 || compareResult == 0 && opt_strict) { - return false; - } - } - return true; -}; - - -/** - * Compares two arrays for equality. Two arrays are considered equal if they - * have the same length and their corresponding elements are equal according to - * the comparison function. - * - * @param {IArrayLike} arr1 The first array to compare. - * @param {IArrayLike} arr2 The second array to compare. - * @param {Function=} opt_equalsFn Optional comparison function. - * Should take 2 arguments to compare, and return true if the arguments - * are equal. Defaults to {@link goog.array.defaultCompareEquality} which - * compares the elements using the built-in '===' operator. - * @return {boolean} Whether the two arrays are equal. - */ -goog.array.equals = function(arr1, arr2, opt_equalsFn) { - if (!goog.isArrayLike(arr1) || !goog.isArrayLike(arr2) || - arr1.length != arr2.length) { - return false; - } - var l = arr1.length; - var equalsFn = opt_equalsFn || goog.array.defaultCompareEquality; - for (var i = 0; i < l; i++) { - if (!equalsFn(arr1[i], arr2[i])) { - return false; - } - } - return true; -}; - - -/** - * 3-way array compare function. - * @param {!IArrayLike} arr1 The first array to - * compare. - * @param {!IArrayLike} arr2 The second array to - * compare. - * @param {function(VALUE, VALUE): number=} opt_compareFn Optional comparison - * function by which the array is to be ordered. Should take 2 arguments to - * compare, and return a negative number, zero, or a positive number - * depending on whether the first argument is less than, equal to, or - * greater than the second. - * @return {number} Negative number, zero, or a positive number depending on - * whether the first argument is less than, equal to, or greater than the - * second. - * @template VALUE - */ -goog.array.compare3 = function(arr1, arr2, opt_compareFn) { - var compare = opt_compareFn || goog.array.defaultCompare; - var l = Math.min(arr1.length, arr2.length); - for (var i = 0; i < l; i++) { - var result = compare(arr1[i], arr2[i]); - if (result != 0) { - return result; - } - } - return goog.array.defaultCompare(arr1.length, arr2.length); -}; - - -/** - * Compares its two arguments for order, using the built in < and > - * operators. - * @param {VALUE} a The first object to be compared. - * @param {VALUE} b The second object to be compared. - * @return {number} A negative number, zero, or a positive number as the first - * argument is less than, equal to, or greater than the second, - * respectively. - * @template VALUE - */ -goog.array.defaultCompare = function(a, b) { - return a > b ? 1 : a < b ? -1 : 0; -}; - - -/** - * Compares its two arguments for inverse order, using the built in < and > - * operators. - * @param {VALUE} a The first object to be compared. - * @param {VALUE} b The second object to be compared. - * @return {number} A negative number, zero, or a positive number as the first - * argument is greater than, equal to, or less than the second, - * respectively. - * @template VALUE - */ -goog.array.inverseDefaultCompare = function(a, b) { - return -goog.array.defaultCompare(a, b); -}; - - -/** - * Compares its two arguments for equality, using the built in === operator. - * @param {*} a The first object to compare. - * @param {*} b The second object to compare. - * @return {boolean} True if the two arguments are equal, false otherwise. - */ -goog.array.defaultCompareEquality = function(a, b) { - return a === b; -}; - - -/** - * Inserts a value into a sorted array. The array is not modified if the - * value is already present. - * @param {IArrayLike} array The array to modify. - * @param {VALUE} value The object to insert. - * @param {function(VALUE, VALUE): number=} opt_compareFn Optional comparison - * function by which the array is ordered. Should take 2 arguments to - * compare, and return a negative number, zero, or a positive number - * depending on whether the first argument is less than, equal to, or - * greater than the second. - * @return {boolean} True if an element was inserted. - * @template VALUE - */ -goog.array.binaryInsert = function(array, value, opt_compareFn) { - var index = goog.array.binarySearch(array, value, opt_compareFn); - if (index < 0) { - goog.array.insertAt(array, value, -(index + 1)); - return true; - } - return false; -}; - - -/** - * Removes a value from a sorted array. - * @param {!IArrayLike} array The array to modify. - * @param {VALUE} value The object to remove. - * @param {function(VALUE, VALUE): number=} opt_compareFn Optional comparison - * function by which the array is ordered. Should take 2 arguments to - * compare, and return a negative number, zero, or a positive number - * depending on whether the first argument is less than, equal to, or - * greater than the second. - * @return {boolean} True if an element was removed. - * @template VALUE - */ -goog.array.binaryRemove = function(array, value, opt_compareFn) { - var index = goog.array.binarySearch(array, value, opt_compareFn); - return (index >= 0) ? goog.array.removeAt(array, index) : false; -}; - - -/** - * Splits an array into disjoint buckets according to a splitting function. - * @param {Array} array The array. - * @param {function(this:S, T,number,Array):?} sorter Function to call for - * every element. This takes 3 arguments (the element, the index and the - * array) and must return a valid object key (a string, number, etc), or - * undefined, if that object should not be placed in a bucket. - * @param {S=} opt_obj The object to be used as the value of 'this' within - * sorter. - * @return {!Object} An object, with keys being all of the unique return values - * of sorter, and values being arrays containing the items for - * which the splitter returned that key. - * @template T,S - */ -goog.array.bucket = function(array, sorter, opt_obj) { - var buckets = {}; - - for (var i = 0; i < array.length; i++) { - var value = array[i]; - var key = sorter.call(/** @type {?} */ (opt_obj), value, i, array); - if (goog.isDef(key)) { - // Push the value to the right bucket, creating it if necessary. - var bucket = buckets[key] || (buckets[key] = []); - bucket.push(value); - } - } - - return buckets; -}; - - -/** - * Creates a new object built from the provided array and the key-generation - * function. - * @param {IArrayLike} arr Array or array like object over - * which to iterate whose elements will be the values in the new object. - * @param {?function(this:S, T, number, ?) : string} keyFunc The function to - * call for every element. This function takes 3 arguments (the element, the - * index and the array) and should return a string that will be used as the - * key for the element in the new object. If the function returns the same - * key for more than one element, the value for that key is - * implementation-defined. - * @param {S=} opt_obj The object to be used as the value of 'this' - * within keyFunc. - * @return {!Object} The new object. - * @template T,S - */ -goog.array.toObject = function(arr, keyFunc, opt_obj) { - var ret = {}; - goog.array.forEach(arr, function(element, index) { - ret[keyFunc.call(/** @type {?} */ (opt_obj), element, index, arr)] = - element; - }); - return ret; -}; - - -/** - * Creates a range of numbers in an arithmetic progression. - * - * Range takes 1, 2, or 3 arguments: - * 
- * range(5) is the same as range(0, 5, 1) and produces [0, 1, 2, 3, 4]
- * range(2, 5) is the same as range(2, 5, 1) and produces [2, 3, 4]
- * range(-2, -5, -1) produces [-2, -3, -4]
- * range(-2, -5, 1) produces [], since stepping by 1 wouldn't ever reach -5.
- *
- * - * @param {number} startOrEnd The starting value of the range if an end argument - * is provided. Otherwise, the start value is 0, and this is the end value. - * @param {number=} opt_end The optional end value of the range. - * @param {number=} opt_step The step size between range values. Defaults to 1 - * if opt_step is undefined or 0. - * @return {!Array} An array of numbers for the requested range. May be - * an empty array if adding the step would not converge toward the end - * value. - */ -goog.array.range = function(startOrEnd, opt_end, opt_step) { - var array = []; - var start = 0; - var end = startOrEnd; - var step = opt_step || 1; - if (opt_end !== undefined) { - start = startOrEnd; - end = opt_end; - } - - if (step * (end - start) < 0) { - // Sign mismatch: start + step will never reach the end value. - return []; - } - - if (step > 0) { - for (var i = start; i < end; i += step) { - array.push(i); - } - } else { - for (var i = start; i > end; i += step) { - array.push(i); - } - } - return array; -}; - - -/** - * Returns an array consisting of the given value repeated N times. - * - * @param {VALUE} value The value to repeat. - * @param {number} n The repeat count. - * @return {!Array} An array with the repeated value. - * @template VALUE - */ -goog.array.repeat = function(value, n) { - var array = []; - for (var i = 0; i < n; i++) { - array[i] = value; - } - return array; -}; - - -/** - * Returns an array consisting of every argument with all arrays - * expanded in-place recursively. - * - * @param {...*} var_args The values to flatten. - * @return {!Array} An array containing the flattened values. - */ -goog.array.flatten = function(var_args) { - var CHUNK_SIZE = 8192; - - var result = []; - for (var i = 0; i < arguments.length; i++) { - var element = arguments[i]; - if (goog.isArray(element)) { - for (var c = 0; c < element.length; c += CHUNK_SIZE) { - var chunk = goog.array.slice(element, c, c + CHUNK_SIZE); - var recurseResult = goog.array.flatten.apply(null, chunk); - for (var r = 0; r < recurseResult.length; r++) { - result.push(recurseResult[r]); - } - } - } else { - result.push(element); - } - } - return result; -}; - - -/** - * Rotates an array in-place. After calling this method, the element at - * index i will be the element previously at index (i - n) % - * array.length, for all values of i between 0 and array.length - 1, - * inclusive. - * - * For example, suppose list comprises [t, a, n, k, s]. After invoking - * rotate(array, 1) (or rotate(array, -4)), array will comprise [s, t, a, n, k]. - * - * @param {!Array} array The array to rotate. - * @param {number} n The amount to rotate. - * @return {!Array} The array. - * @template T - */ -goog.array.rotate = function(array, n) { - goog.asserts.assert(array.length != null); - - if (array.length) { - n %= array.length; - if (n > 0) { - Array.prototype.unshift.apply(array, array.splice(-n, n)); - } else if (n < 0) { - Array.prototype.push.apply(array, array.splice(0, -n)); - } - } - return array; -}; - - -/** - * Moves one item of an array to a new position keeping the order of the rest - * of the items. Example use case: keeping a list of JavaScript objects - * synchronized with the corresponding list of DOM elements after one of the - * elements has been dragged to a new position. - * @param {!IArrayLike} arr The array to modify. - * @param {number} fromIndex Index of the item to move between 0 and - * {@code arr.length - 1}. - * @param {number} toIndex Target index between 0 and {@code arr.length - 1}. - */ -goog.array.moveItem = function(arr, fromIndex, toIndex) { - goog.asserts.assert(fromIndex >= 0 && fromIndex < arr.length); - goog.asserts.assert(toIndex >= 0 && toIndex < arr.length); - // Remove 1 item at fromIndex. - var removedItems = Array.prototype.splice.call(arr, fromIndex, 1); - // Insert the removed item at toIndex. - Array.prototype.splice.call(arr, toIndex, 0, removedItems[0]); - // We don't use goog.array.insertAt and goog.array.removeAt, because they're - // significantly slower than splice. -}; - - -/** - * Creates a new array for which the element at position i is an array of the - * ith element of the provided arrays. The returned array will only be as long - * as the shortest array provided; additional values are ignored. For example, - * the result of zipping [1, 2] and [3, 4, 5] is [[1,3], [2, 4]]. - * - * This is similar to the zip() function in Python. See {@link - * http://docs.python.org/library/functions.html#zip} - * - * @param {...!IArrayLike} var_args Arrays to be combined. - * @return {!Array>} A new array of arrays created from - * provided arrays. - */ -goog.array.zip = function(var_args) { - if (!arguments.length) { - return []; - } - var result = []; - var minLen = arguments[0].length; - for (var i = 1; i < arguments.length; i++) { - if (arguments[i].length < minLen) { - minLen = arguments[i].length; - } - } - for (var i = 0; i < minLen; i++) { - var value = []; - for (var j = 0; j < arguments.length; j++) { - value.push(arguments[j][i]); - } - result.push(value); - } - return result; -}; - - -/** - * Shuffles the values in the specified array using the Fisher-Yates in-place - * shuffle (also known as the Knuth Shuffle). By default, calls Math.random() - * and so resets the state of that random number generator. Similarly, may reset - * the state of the any other specified random number generator. - * - * Runtime: O(n) - * - * @param {!Array} arr The array to be shuffled. - * @param {function():number=} opt_randFn Optional random function to use for - * shuffling. - * Takes no arguments, and returns a random number on the interval [0, 1). - * Defaults to Math.random() using JavaScript's built-in Math library. - */ -goog.array.shuffle = function(arr, opt_randFn) { - var randFn = opt_randFn || Math.random; - - for (var i = arr.length - 1; i > 0; i--) { - // Choose a random array index in [0, i] (inclusive with i). - var j = Math.floor(randFn() * (i + 1)); - - var tmp = arr[i]; - arr[i] = arr[j]; - arr[j] = tmp; - } -}; - - -/** - * Returns a new array of elements from arr, based on the indexes of elements - * provided by index_arr. For example, the result of index copying - * ['a', 'b', 'c'] with index_arr [1,0,0,2] is ['b', 'a', 'a', 'c']. - * - * @param {!Array} arr The array to get a indexed copy from. - * @param {!Array} index_arr An array of indexes to get from arr. - * @return {!Array} A new array of elements from arr in index_arr order. - * @template T - */ -goog.array.copyByIndex = function(arr, index_arr) { - var result = []; - goog.array.forEach(index_arr, function(index) { result.push(arr[index]); }); - return result; -}; - - -/** - * Maps each element of the input array into zero or more elements of the output - * array. - * - * @param {!IArrayLike|string} arr Array or array like object - * over which to iterate. - * @param {function(this:THIS, VALUE, number, ?): !Array} f The function - * to call for every element. This function takes 3 arguments (the element, - * the index and the array) and should return an array. The result will be - * used to extend a new array. - * @param {THIS=} opt_obj The object to be used as the value of 'this' within f. - * @return {!Array} a new array with the concatenation of all arrays - * returned from f. - * @template THIS, VALUE, RESULT - */ -goog.array.concatMap = function(arr, f, opt_obj) { - return goog.array.concat.apply([], goog.array.map(arr, f, opt_obj)); -}; diff --git a/assets/viz/1/goog/asserts/asserts.js b/assets/viz/1/goog/asserts/asserts.js deleted file mode 100644 index 1f4b653..0000000 --- a/assets/viz/1/goog/asserts/asserts.js +++ /dev/null @@ -1,369 +0,0 @@ -// Copyright 2008 The Closure Library Authors. All Rights Reserved. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS-IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -/** - * @fileoverview Utilities to check the preconditions, postconditions and - * invariants runtime. - * - * Methods in this package should be given special treatment by the compiler - * for type-inference. For example, goog.asserts.assert(foo) - * will restrict foo to a truthy value. - * - * The compiler has an option to disable asserts. So code like: - * - * var x = goog.asserts.assert(foo()); goog.asserts.assert(bar()); - * - * will be transformed into: - * - * var x = foo(); - * - * The compiler will leave in foo() (because its return value is used), - * but it will remove bar() because it assumes it does not have side-effects. - * - * @author agrieve@google.com (Andrew Grieve) - */ - -goog.provide('goog.asserts'); -goog.provide('goog.asserts.AssertionError'); - -goog.require('goog.debug.Error'); -goog.require('goog.dom.NodeType'); -goog.require('goog.string'); - - -/** - * @define {boolean} Whether to strip out asserts or to leave them in. - */ -goog.define('goog.asserts.ENABLE_ASSERTS', goog.DEBUG); - - - -/** - * Error object for failed assertions. - * @param {string} messagePattern The pattern that was used to form message. - * @param {!Array<*>} messageArgs The items to substitute into the pattern. - * @constructor - * @extends {goog.debug.Error} - * @final - */ -goog.asserts.AssertionError = function(messagePattern, messageArgs) { - messageArgs.unshift(messagePattern); - goog.debug.Error.call(this, goog.string.subs.apply(null, messageArgs)); - // Remove the messagePattern afterwards to avoid permanently modifying the - // passed in array. - messageArgs.shift(); - - /** - * The message pattern used to format the error message. Error handlers can - * use this to uniquely identify the assertion. - * @type {string} - */ - this.messagePattern = messagePattern; -}; -goog.inherits(goog.asserts.AssertionError, goog.debug.Error); - - -/** @override */ -goog.asserts.AssertionError.prototype.name = 'AssertionError'; - - -/** - * The default error handler. - * @param {!goog.asserts.AssertionError} e The exception to be handled. - */ -goog.asserts.DEFAULT_ERROR_HANDLER = function(e) { - throw e; -}; - - -/** - * The handler responsible for throwing or logging assertion errors. - * @private {function(!goog.asserts.AssertionError)} - */ -goog.asserts.errorHandler_ = goog.asserts.DEFAULT_ERROR_HANDLER; - - -/** - * Throws an exception with the given message and "Assertion failed" prefixed - * onto it. - * @param {string} defaultMessage The message to use if givenMessage is empty. - * @param {Array<*>} defaultArgs The substitution arguments for defaultMessage. - * @param {string|undefined} givenMessage Message supplied by the caller. - * @param {Array<*>} givenArgs The substitution arguments for givenMessage. - * @throws {goog.asserts.AssertionError} When the value is not a number. - * @private - */ -goog.asserts.doAssertFailure_ = function( - defaultMessage, defaultArgs, givenMessage, givenArgs) { - var message = 'Assertion failed'; - if (givenMessage) { - message += ': ' + givenMessage; - var args = givenArgs; - } else if (defaultMessage) { - message += ': ' + defaultMessage; - args = defaultArgs; - } - // The '' + works around an Opera 10 bug in the unit tests. Without it, - // a stack trace is added to var message above. With this, a stack trace is - // not added until this line (it causes the extra garbage to be added after - // the assertion message instead of in the middle of it). - var e = new goog.asserts.AssertionError('' + message, args || []); - goog.asserts.errorHandler_(e); -}; - - -/** - * Sets a custom error handler that can be used to customize the behavior of - * assertion failures, for example by turning all assertion failures into log - * messages. - * @param {function(!goog.asserts.AssertionError)} errorHandler - */ -goog.asserts.setErrorHandler = function(errorHandler) { - if (goog.asserts.ENABLE_ASSERTS) { - goog.asserts.errorHandler_ = errorHandler; - } -}; - - -/** - * Checks if the condition evaluates to true if goog.asserts.ENABLE_ASSERTS is - * true. - * @template T - * @param {T} condition The condition to check. - * @param {string=} opt_message Error message in case of failure. - * @param {...*} var_args The items to substitute into the failure message. - * @return {T} The value of the condition. - * @throws {goog.asserts.AssertionError} When the condition evaluates to false. - */ -goog.asserts.assert = function(condition, opt_message, var_args) { - if (goog.asserts.ENABLE_ASSERTS && !condition) { - goog.asserts.doAssertFailure_( - '', null, opt_message, Array.prototype.slice.call(arguments, 2)); - } - return condition; -}; - - -/** - * Fails if goog.asserts.ENABLE_ASSERTS is true. This function is useful in case - * when we want to add a check in the unreachable area like switch-case - * statement: - * - * 
- *  switch(type) {
- *    case FOO: doSomething(); break;
- *    case BAR: doSomethingElse(); break;
- *    default: goog.asserts.fail('Unrecognized type: ' + type);
- *      // We have only 2 types - "default:" section is unreachable code.
- *  }
- *
- * - * @param {string=} opt_message Error message in case of failure. - * @param {...*} var_args The items to substitute into the failure message. - * @throws {goog.asserts.AssertionError} Failure. - */ -goog.asserts.fail = function(opt_message, var_args) { - if (goog.asserts.ENABLE_ASSERTS) { - goog.asserts.errorHandler_( - new goog.asserts.AssertionError( - 'Failure' + (opt_message ? ': ' + opt_message : ''), - Array.prototype.slice.call(arguments, 1))); - } -}; - - -/** - * Checks if the value is a number if goog.asserts.ENABLE_ASSERTS is true. - * @param {*} value The value to check. - * @param {string=} opt_message Error message in case of failure. - * @param {...*} var_args The items to substitute into the failure message. - * @return {number} The value, guaranteed to be a number when asserts enabled. - * @throws {goog.asserts.AssertionError} When the value is not a number. - */ -goog.asserts.assertNumber = function(value, opt_message, var_args) { - if (goog.asserts.ENABLE_ASSERTS && !goog.isNumber(value)) { - goog.asserts.doAssertFailure_( - 'Expected number but got %s: %s.', [goog.typeOf(value), value], - opt_message, Array.prototype.slice.call(arguments, 2)); - } - return /** @type {number} */ (value); -}; - - -/** - * Checks if the value is a string if goog.asserts.ENABLE_ASSERTS is true. - * @param {*} value The value to check. - * @param {string=} opt_message Error message in case of failure. - * @param {...*} var_args The items to substitute into the failure message. - * @return {string} The value, guaranteed to be a string when asserts enabled. - * @throws {goog.asserts.AssertionError} When the value is not a string. - */ -goog.asserts.assertString = function(value, opt_message, var_args) { - if (goog.asserts.ENABLE_ASSERTS && !goog.isString(value)) { - goog.asserts.doAssertFailure_( - 'Expected string but got %s: %s.', [goog.typeOf(value), value], - opt_message, Array.prototype.slice.call(arguments, 2)); - } - return /** @type {string} */ (value); -}; - - -/** - * Checks if the value is a function if goog.asserts.ENABLE_ASSERTS is true. - * @param {*} value The value to check. - * @param {string=} opt_message Error message in case of failure. - * @param {...*} var_args The items to substitute into the failure message. - * @return {!Function} The value, guaranteed to be a function when asserts - * enabled. - * @throws {goog.asserts.AssertionError} When the value is not a function. - */ -goog.asserts.assertFunction = function(value, opt_message, var_args) { - if (goog.asserts.ENABLE_ASSERTS && !goog.isFunction(value)) { - goog.asserts.doAssertFailure_( - 'Expected function but got %s: %s.', [goog.typeOf(value), value], - opt_message, Array.prototype.slice.call(arguments, 2)); - } - return /** @type {!Function} */ (value); -}; - - -/** - * Checks if the value is an Object if goog.asserts.ENABLE_ASSERTS is true. - * @param {*} value The value to check. - * @param {string=} opt_message Error message in case of failure. - * @param {...*} var_args The items to substitute into the failure message. - * @return {!Object} The value, guaranteed to be a non-null object. - * @throws {goog.asserts.AssertionError} When the value is not an object. - */ -goog.asserts.assertObject = function(value, opt_message, var_args) { - if (goog.asserts.ENABLE_ASSERTS && !goog.isObject(value)) { - goog.asserts.doAssertFailure_( - 'Expected object but got %s: %s.', [goog.typeOf(value), value], - opt_message, Array.prototype.slice.call(arguments, 2)); - } - return /** @type {!Object} */ (value); -}; - - -/** - * Checks if the value is an Array if goog.asserts.ENABLE_ASSERTS is true. - * @param {*} value The value to check. - * @param {string=} opt_message Error message in case of failure. - * @param {...*} var_args The items to substitute into the failure message. - * @return {!Array} The value, guaranteed to be a non-null array. - * @throws {goog.asserts.AssertionError} When the value is not an array. - */ -goog.asserts.assertArray = function(value, opt_message, var_args) { - if (goog.asserts.ENABLE_ASSERTS && !goog.isArray(value)) { - goog.asserts.doAssertFailure_( - 'Expected array but got %s: %s.', [goog.typeOf(value), value], - opt_message, Array.prototype.slice.call(arguments, 2)); - } - return /** @type {!Array} */ (value); -}; - - -/** - * Checks if the value is a boolean if goog.asserts.ENABLE_ASSERTS is true. - * @param {*} value The value to check. - * @param {string=} opt_message Error message in case of failure. - * @param {...*} var_args The items to substitute into the failure message. - * @return {boolean} The value, guaranteed to be a boolean when asserts are - * enabled. - * @throws {goog.asserts.AssertionError} When the value is not a boolean. - */ -goog.asserts.assertBoolean = function(value, opt_message, var_args) { - if (goog.asserts.ENABLE_ASSERTS && !goog.isBoolean(value)) { - goog.asserts.doAssertFailure_( - 'Expected boolean but got %s: %s.', [goog.typeOf(value), value], - opt_message, Array.prototype.slice.call(arguments, 2)); - } - return /** @type {boolean} */ (value); -}; - - -/** - * Checks if the value is a DOM Element if goog.asserts.ENABLE_ASSERTS is true. - * @param {*} value The value to check. - * @param {string=} opt_message Error message in case of failure. - * @param {...*} var_args The items to substitute into the failure message. - * @return {!Element} The value, likely to be a DOM Element when asserts are - * enabled. - * @throws {goog.asserts.AssertionError} When the value is not an Element. - */ -goog.asserts.assertElement = function(value, opt_message, var_args) { - if (goog.asserts.ENABLE_ASSERTS && - (!goog.isObject(value) || value.nodeType != goog.dom.NodeType.ELEMENT)) { - goog.asserts.doAssertFailure_( - 'Expected Element but got %s: %s.', [goog.typeOf(value), value], - opt_message, Array.prototype.slice.call(arguments, 2)); - } - return /** @type {!Element} */ (value); -}; - - -/** - * Checks if the value is an instance of the user-defined type if - * goog.asserts.ENABLE_ASSERTS is true. - * - * The compiler may tighten the type returned by this function. - * - * @param {?} value The value to check. - * @param {function(new: T, ...)} type A user-defined constructor. - * @param {string=} opt_message Error message in case of failure. - * @param {...*} var_args The items to substitute into the failure message. - * @throws {goog.asserts.AssertionError} When the value is not an instance of - * type. - * @return {T} - * @template T - */ -goog.asserts.assertInstanceof = function(value, type, opt_message, var_args) { - if (goog.asserts.ENABLE_ASSERTS && !(value instanceof type)) { - goog.asserts.doAssertFailure_( - 'Expected instanceof %s but got %s.', - [goog.asserts.getType_(type), goog.asserts.getType_(value)], - opt_message, Array.prototype.slice.call(arguments, 3)); - } - return value; -}; - - -/** - * Checks that no enumerable keys are present in Object.prototype. Such keys - * would break most code that use {@code for (var ... in ...)} loops. - */ -goog.asserts.assertObjectPrototypeIsIntact = function() { - for (var key in Object.prototype) { - goog.asserts.fail(key + ' should not be enumerable in Object.prototype.'); - } -}; - - -/** - * Returns the type of a value. If a constructor is passed, and a suitable - * string cannot be found, 'unknown type name' will be returned. - * @param {*} value A constructor, object, or primitive. - * @return {string} The best display name for the value, or 'unknown type name'. - * @private - */ -goog.asserts.getType_ = function(value) { - if (value instanceof Function) { - return value.displayName || value.name || 'unknown type name'; - } else if (value instanceof Object) { - return value.constructor.displayName || value.constructor.name || - Object.prototype.toString.call(value); - } else { - return value === null ? 'null' : typeof value; - } -}; diff --git a/assets/viz/1/goog/base.js b/assets/viz/1/goog/base.js deleted file mode 100644 index 97a9947..0000000 --- a/assets/viz/1/goog/base.js +++ /dev/null @@ -1,2727 +0,0 @@ -// Copyright 2006 The Closure Library Authors. All Rights Reserved. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS-IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -/** - * @fileoverview Bootstrap for the Google JS Library (Closure). - * - * In uncompiled mode base.js will write out Closure's deps file, unless the - * global CLOSURE_NO_DEPS is set to true. This allows projects to - * include their own deps file(s) from different locations. - * - * @author arv@google.com (Erik Arvidsson) - * - * @provideGoog - */ - - -/** - * @define {boolean} Overridden to true by the compiler when - * --process_closure_primitives is specified. - */ -var COMPILED = false; - - -/** - * Base namespace for the Closure library. Checks to see goog is already - * defined in the current scope before assigning to prevent clobbering if - * base.js is loaded more than once. - * - * @const - */ -var goog = goog || {}; - - -/** - * Reference to the global context. In most cases this will be 'window'. - */ -goog.global = this; - - -/** - * A hook for overriding the define values in uncompiled mode. - * - * In uncompiled mode, {@code CLOSURE_UNCOMPILED_DEFINES} may be defined before - * loading base.js. If a key is defined in {@code CLOSURE_UNCOMPILED_DEFINES}, - * {@code goog.define} will use the value instead of the default value. This - * allows flags to be overwritten without compilation (this is normally - * accomplished with the compiler's "define" flag). - * - * Example: - * 
- *   var CLOSURE_UNCOMPILED_DEFINES = {'goog.DEBUG': false};
- *
- * - * @type {Object|undefined} - */ -goog.global.CLOSURE_UNCOMPILED_DEFINES; - - -/** - * A hook for overriding the define values in uncompiled or compiled mode, - * like CLOSURE_UNCOMPILED_DEFINES but effective in compiled code. In - * uncompiled code CLOSURE_UNCOMPILED_DEFINES takes precedence. - * - * Also unlike CLOSURE_UNCOMPILED_DEFINES the values must be number, boolean or - * string literals or the compiler will emit an error. - * - * While any @define value may be set, only those set with goog.define will be - * effective for uncompiled code. - * - * Example: - * 
- *   var CLOSURE_DEFINES = {'goog.DEBUG': false} ;
- *
- * - * @type {Object|undefined} - */ -goog.global.CLOSURE_DEFINES; - - -/** - * Returns true if the specified value is not undefined. - * WARNING: Do not use this to test if an object has a property. Use the in - * operator instead. - * - * @param {?} val Variable to test. - * @return {boolean} Whether variable is defined. - */ -goog.isDef = function(val) { - // void 0 always evaluates to undefined and hence we do not need to depend on - // the definition of the global variable named 'undefined'. - return val !== void 0; -}; - - -/** - * Builds an object structure for the provided namespace path, ensuring that - * names that already exist are not overwritten. For example: - * "a.b.c" -> a = {};a.b={};a.b.c={}; - * Used by goog.provide and goog.exportSymbol. - * @param {string} name name of the object that this file defines. - * @param {*=} opt_object the object to expose at the end of the path. - * @param {Object=} opt_objectToExportTo The object to add the path to; default - * is |goog.global|. - * @private - */ -goog.exportPath_ = function(name, opt_object, opt_objectToExportTo) { - var parts = name.split('.'); - var cur = opt_objectToExportTo || goog.global; - - // Internet Explorer exhibits strange behavior when throwing errors from - // methods externed in this manner. See the testExportSymbolExceptions in - // base_test.html for an example. - if (!(parts[0] in cur) && cur.execScript) { - cur.execScript('var ' + parts[0]); - } - - // Certain browsers cannot parse code in the form for((a in b); c;); - // This pattern is produced by the JSCompiler when it collapses the - // statement above into the conditional loop below. To prevent this from - // happening, use a for-loop and reserve the init logic as below. - - // Parentheses added to eliminate strict JS warning in Firefox. - for (var part; parts.length && (part = parts.shift());) { - if (!parts.length && goog.isDef(opt_object)) { - // last part and we have an object; use it - cur[part] = opt_object; - } else if (cur[part]) { - cur = cur[part]; - } else { - cur = cur[part] = {}; - } - } -}; - - -/** - * Defines a named value. In uncompiled mode, the value is retrieved from - * CLOSURE_DEFINES or CLOSURE_UNCOMPILED_DEFINES if the object is defined and - * has the property specified, and otherwise used the defined defaultValue. - * When compiled the default can be overridden using the compiler - * options or the value set in the CLOSURE_DEFINES object. - * - * @param {string} name The distinguished name to provide. - * @param {string|number|boolean} defaultValue - */ -goog.define = function(name, defaultValue) { - var value = defaultValue; - if (!COMPILED) { - if (goog.global.CLOSURE_UNCOMPILED_DEFINES && - Object.prototype.hasOwnProperty.call( - goog.global.CLOSURE_UNCOMPILED_DEFINES, name)) { - value = goog.global.CLOSURE_UNCOMPILED_DEFINES[name]; - } else if ( - goog.global.CLOSURE_DEFINES && - Object.prototype.hasOwnProperty.call( - goog.global.CLOSURE_DEFINES, name)) { - value = goog.global.CLOSURE_DEFINES[name]; - } - } - goog.exportPath_(name, value); -}; - - -/** - * @define {boolean} DEBUG is provided as a convenience so that debugging code - * that should not be included in a production js_binary can be easily stripped - * by specifying --define goog.DEBUG=false to the JSCompiler. For example, most - * toString() methods should be declared inside an "if (goog.DEBUG)" conditional - * because they are generally used for debugging purposes and it is difficult - * for the JSCompiler to statically determine whether they are used. - */ -goog.define('goog.DEBUG', true); - - -/** - * @define {string} LOCALE defines the locale being used for compilation. It is - * used to select locale specific data to be compiled in js binary. BUILD rule - * can specify this value by "--define goog.LOCALE=" as JSCompiler - * option. - * - * Take into account that the locale code format is important. You should use - * the canonical Unicode format with hyphen as a delimiter. Language must be - * lowercase, Language Script - Capitalized, Region - UPPERCASE. - * There are few examples: pt-BR, en, en-US, sr-Latin-BO, zh-Hans-CN. - * - * See more info about locale codes here: - * http://www.unicode.org/reports/tr35/#Unicode_Language_and_Locale_Identifiers - * - * For language codes you should use values defined by ISO 693-1. See it here - * http://www.w3.org/WAI/ER/IG/ert/iso639.htm. There is only one exception from - * this rule: the Hebrew language. For legacy reasons the old code (iw) should - * be used instead of the new code (he), see http://wiki/Main/IIISynonyms. - */ -goog.define('goog.LOCALE', 'en'); // default to en - - -/** - * @define {boolean} Whether this code is running on trusted sites. - * - * On untrusted sites, several native functions can be defined or overridden by - * external libraries like Prototype, Datejs, and JQuery and setting this flag - * to false forces closure to use its own implementations when possible. - * - * If your JavaScript can be loaded by a third party site and you are wary about - * relying on non-standard implementations, specify - * "--define goog.TRUSTED_SITE=false" to the JSCompiler. - */ -goog.define('goog.TRUSTED_SITE', true); - - -/** - * @define {boolean} Whether a project is expected to be running in strict mode. - * - * This define can be used to trigger alternate implementations compatible with - * running in EcmaScript Strict mode or warn about unavailable functionality. - * @see https://goo.gl/PudQ4y - * - */ -goog.define('goog.STRICT_MODE_COMPATIBLE', false); - - -/** - * @define {boolean} Whether code that calls {@link goog.setTestOnly} should - * be disallowed in the compilation unit. - */ -goog.define('goog.DISALLOW_TEST_ONLY_CODE', COMPILED && !goog.DEBUG); - - -/** - * @define {boolean} Whether to use a Chrome app CSP-compliant method for - * loading scripts via goog.require. @see appendScriptSrcNode_. - */ -goog.define('goog.ENABLE_CHROME_APP_SAFE_SCRIPT_LOADING', false); - - -/** - * Defines a namespace in Closure. - * - * A namespace may only be defined once in a codebase. It may be defined using - * goog.provide() or goog.module(). - * - * The presence of one or more goog.provide() calls in a file indicates - * that the file defines the given objects/namespaces. - * Provided symbols must not be null or undefined. - * - * In addition, goog.provide() creates the object stubs for a namespace - * (for example, goog.provide("goog.foo.bar") will create the object - * goog.foo.bar if it does not already exist). - * - * Build tools also scan for provide/require/module statements - * to discern dependencies, build dependency files (see deps.js), etc. - * - * @see goog.require - * @see goog.module - * @param {string} name Namespace provided by this file in the form - * "goog.package.part". - */ -goog.provide = function(name) { - if (goog.isInModuleLoader_()) { - throw Error('goog.provide can not be used within a goog.module.'); - } - if (!COMPILED) { - // Ensure that the same namespace isn't provided twice. - // A goog.module/goog.provide maps a goog.require to a specific file - if (goog.isProvided_(name)) { - throw Error('Namespace "' + name + '" already declared.'); - } - } - - goog.constructNamespace_(name); -}; - - -/** - * @param {string} name Namespace provided by this file in the form - * "goog.package.part". - * @param {Object=} opt_obj The object to embed in the namespace. - * @private - */ -goog.constructNamespace_ = function(name, opt_obj) { - if (!COMPILED) { - delete goog.implicitNamespaces_[name]; - - var namespace = name; - while ((namespace = namespace.substring(0, namespace.lastIndexOf('.')))) { - if (goog.getObjectByName(namespace)) { - break; - } - goog.implicitNamespaces_[namespace] = true; - } - } - - goog.exportPath_(name, opt_obj); -}; - - -/** - * Module identifier validation regexp. - * Note: This is a conservative check, it is very possible to be more lenient, - * the primary exclusion here is "/" and "\" and a leading ".", these - * restrictions are intended to leave the door open for using goog.require - * with relative file paths rather than module identifiers. - * @private - */ -goog.VALID_MODULE_RE_ = /^[a-zA-Z_$][a-zA-Z0-9._$]*$/; - - -/** - * Defines a module in Closure. - * - * Marks that this file must be loaded as a module and claims the namespace. - * - * A namespace may only be defined once in a codebase. It may be defined using - * goog.provide() or goog.module(). - * - * goog.module() has three requirements: - * - goog.module may not be used in the same file as goog.provide. - * - goog.module must be the first statement in the file. - * - only one goog.module is allowed per file. - * - * When a goog.module annotated file is loaded, it is enclosed in - * a strict function closure. This means that: - * - any variables declared in a goog.module file are private to the file - * (not global), though the compiler is expected to inline the module. - * - The code must obey all the rules of "strict" JavaScript. - * - the file will be marked as "use strict" - * - * NOTE: unlike goog.provide, goog.module does not declare any symbols by - * itself. If declared symbols are desired, use - * goog.module.declareLegacyNamespace(). - * - * - * See the public goog.module proposal: http://goo.gl/Va1hin - * - * @param {string} name Namespace provided by this file in the form - * "goog.package.part", is expected but not required. - */ -goog.module = function(name) { - if (!goog.isString(name) || !name || - name.search(goog.VALID_MODULE_RE_) == -1) { - throw Error('Invalid module identifier'); - } - if (!goog.isInModuleLoader_()) { - throw Error('Module ' + name + ' has been loaded incorrectly.'); - } - if (goog.moduleLoaderState_.moduleName) { - throw Error('goog.module may only be called once per module.'); - } - - // Store the module name for the loader. - goog.moduleLoaderState_.moduleName = name; - if (!COMPILED) { - // Ensure that the same namespace isn't provided twice. - // A goog.module/goog.provide maps a goog.require to a specific file - if (goog.isProvided_(name)) { - throw Error('Namespace "' + name + '" already declared.'); - } - delete goog.implicitNamespaces_[name]; - } -}; - - -/** - * @param {string} name The module identifier. - * @return {?} The module exports for an already loaded module or null. - * - * Note: This is not an alternative to goog.require, it does not - * indicate a hard dependency, instead it is used to indicate - * an optional dependency or to access the exports of a module - * that has already been loaded. - * @suppress {missingProvide} - */ -goog.module.get = function(name) { - return goog.module.getInternal_(name); -}; - - -/** - * @param {string} name The module identifier. - * @return {?} The module exports for an already loaded module or null. - * @private - */ -goog.module.getInternal_ = function(name) { - if (!COMPILED) { - if (goog.isProvided_(name)) { - // goog.require only return a value with-in goog.module files. - return name in goog.loadedModules_ ? goog.loadedModules_[name] : - goog.getObjectByName(name); - } else { - return null; - } - } -}; - - -/** - * @private {?{moduleName: (string|undefined), declareLegacyNamespace:boolean}} - */ -goog.moduleLoaderState_ = null; - - -/** - * @private - * @return {boolean} Whether a goog.module is currently being initialized. - */ -goog.isInModuleLoader_ = function() { - return goog.moduleLoaderState_ != null; -}; - - -/** - * Provide the module's exports as a globally accessible object under the - * module's declared name. This is intended to ease migration to goog.module - * for files that have existing usages. - * @suppress {missingProvide} - */ -goog.module.declareLegacyNamespace = function() { - if (!COMPILED && !goog.isInModuleLoader_()) { - throw new Error( - 'goog.module.declareLegacyNamespace must be called from ' + - 'within a goog.module'); - } - if (!COMPILED && !goog.moduleLoaderState_.moduleName) { - throw Error( - 'goog.module must be called prior to ' + - 'goog.module.declareLegacyNamespace.'); - } - goog.moduleLoaderState_.declareLegacyNamespace = true; -}; - - -/** - * Marks that the current file should only be used for testing, and never for - * live code in production. - * - * In the case of unit tests, the message may optionally be an exact namespace - * for the test (e.g. 'goog.stringTest'). The linter will then ignore the extra - * provide (if not explicitly defined in the code). - * - * @param {string=} opt_message Optional message to add to the error that's - * raised when used in production code. - */ -goog.setTestOnly = function(opt_message) { - if (goog.DISALLOW_TEST_ONLY_CODE) { - opt_message = opt_message || ''; - throw Error( - 'Importing test-only code into non-debug environment' + - (opt_message ? ': ' + opt_message : '.')); - } -}; - - -/** - * Forward declares a symbol. This is an indication to the compiler that the - * symbol may be used in the source yet is not required and may not be provided - * in compilation. - * - * The most common usage of forward declaration is code that takes a type as a - * function parameter but does not need to require it. By forward declaring - * instead of requiring, no hard dependency is made, and (if not required - * elsewhere) the namespace may never be required and thus, not be pulled - * into the JavaScript binary. If it is required elsewhere, it will be type - * checked as normal. - * - * - * @param {string} name The namespace to forward declare in the form of - * "goog.package.part". - */ -goog.forwardDeclare = function(name) {}; - - -/** - * Forward declare type information. Used to assign types to goog.global - * referenced object that would otherwise result in unknown type references - * and thus block property disambiguation. - */ -goog.forwardDeclare('Document'); -goog.forwardDeclare('HTMLScriptElement'); -goog.forwardDeclare('XMLHttpRequest'); - - -if (!COMPILED) { - /** - * Check if the given name has been goog.provided. This will return false for - * names that are available only as implicit namespaces. - * @param {string} name name of the object to look for. - * @return {boolean} Whether the name has been provided. - * @private - */ - goog.isProvided_ = function(name) { - return (name in goog.loadedModules_) || - (!goog.implicitNamespaces_[name] && - goog.isDefAndNotNull(goog.getObjectByName(name))); - }; - - /** - * Namespaces implicitly defined by goog.provide. For example, - * goog.provide('goog.events.Event') implicitly declares that 'goog' and - * 'goog.events' must be namespaces. - * - * @type {!Object} - * @private - */ - goog.implicitNamespaces_ = {'goog.module': true}; - - // NOTE: We add goog.module as an implicit namespace as goog.module is defined - // here and because the existing module package has not been moved yet out of - // the goog.module namespace. This satisifies both the debug loader and - // ahead-of-time dependency management. -} - - -/** - * Returns an object based on its fully qualified external name. The object - * is not found if null or undefined. If you are using a compilation pass that - * renames property names beware that using this function will not find renamed - * properties. - * - * @param {string} name The fully qualified name. - * @param {Object=} opt_obj The object within which to look; default is - * |goog.global|. - * @return {?} The value (object or primitive) or, if not found, null. - */ -goog.getObjectByName = function(name, opt_obj) { - var parts = name.split('.'); - var cur = opt_obj || goog.global; - for (var part; part = parts.shift();) { - if (goog.isDefAndNotNull(cur[part])) { - cur = cur[part]; - } else { - return null; - } - } - return cur; -}; - - -/** - * Globalizes a whole namespace, such as goog or goog.lang. - * - * @param {!Object} obj The namespace to globalize. - * @param {Object=} opt_global The object to add the properties to. - * @deprecated Properties may be explicitly exported to the global scope, but - * this should no longer be done in bulk. - */ -goog.globalize = function(obj, opt_global) { - var global = opt_global || goog.global; - for (var x in obj) { - global[x] = obj[x]; - } -}; - - -/** - * Adds a dependency from a file to the files it requires. - * @param {string} relPath The path to the js file. - * @param {!Array} provides An array of strings with - * the names of the objects this file provides. - * @param {!Array} requires An array of strings with - * the names of the objects this file requires. - * @param {boolean|!Object=} opt_loadFlags Parameters indicating - * how the file must be loaded. The boolean 'true' is equivalent - * to {'module': 'goog'} for backwards-compatibility. Valid properties - * and values include {'module': 'goog'} and {'lang': 'es6'}. - */ -goog.addDependency = function(relPath, provides, requires, opt_loadFlags) { - if (goog.DEPENDENCIES_ENABLED) { - var provide, require; - var path = relPath.replace(/\\/g, '/'); - var deps = goog.dependencies_; - if (!opt_loadFlags || typeof opt_loadFlags === 'boolean') { - opt_loadFlags = opt_loadFlags ? {'module': 'goog'} : {}; - } - for (var i = 0; provide = provides[i]; i++) { - deps.nameToPath[provide] = path; - deps.loadFlags[path] = opt_loadFlags; - } - for (var j = 0; require = requires[j]; j++) { - if (!(path in deps.requires)) { - deps.requires[path] = {}; - } - deps.requires[path][require] = true; - } - } -}; - - - - -// NOTE(nnaze): The debug DOM loader was included in base.js as an original way -// to do "debug-mode" development. The dependency system can sometimes be -// confusing, as can the debug DOM loader's asynchronous nature. -// -// With the DOM loader, a call to goog.require() is not blocking -- the script -// will not load until some point after the current script. If a namespace is -// needed at runtime, it needs to be defined in a previous script, or loaded via -// require() with its registered dependencies. -// -// User-defined namespaces may need their own deps file. For a reference on -// creating a deps file, see: -// Externally: https://developers.google.com/closure/library/docs/depswriter -// -// Because of legacy clients, the DOM loader can't be easily removed from -// base.js. Work is being done to make it disableable or replaceable for -// different environments (DOM-less JavaScript interpreters like Rhino or V8, -// for example). See bootstrap/ for more information. - - -/** - * @define {boolean} Whether to enable the debug loader. - * - * If enabled, a call to goog.require() will attempt to load the namespace by - * appending a script tag to the DOM (if the namespace has been registered). - * - * If disabled, goog.require() will simply assert that the namespace has been - * provided (and depend on the fact that some outside tool correctly ordered - * the script). - */ -goog.define('goog.ENABLE_DEBUG_LOADER', true); - - -/** - * @param {string} msg - * @private - */ -goog.logToConsole_ = function(msg) { - if (goog.global.console) { - goog.global.console['error'](msg); - } -}; - - -/** - * Implements a system for the dynamic resolution of dependencies that works in - * parallel with the BUILD system. Note that all calls to goog.require will be - * stripped by the JSCompiler when the --process_closure_primitives option is - * used. - * @see goog.provide - * @param {string} name Namespace to include (as was given in goog.provide()) in - * the form "goog.package.part". - * @return {?} If called within a goog.module file, the associated namespace or - * module otherwise null. - */ -goog.require = function(name) { - // If the object already exists we do not need do do anything. - if (!COMPILED) { - if (goog.ENABLE_DEBUG_LOADER && goog.IS_OLD_IE_) { - goog.maybeProcessDeferredDep_(name); - } - - if (goog.isProvided_(name)) { - if (goog.isInModuleLoader_()) { - return goog.module.getInternal_(name); - } else { - return null; - } - } - - if (goog.ENABLE_DEBUG_LOADER) { - var path = goog.getPathFromDeps_(name); - if (path) { - goog.writeScripts_(path); - return null; - } - } - - var errorMessage = 'goog.require could not find: ' + name; - goog.logToConsole_(errorMessage); - - throw Error(errorMessage); - } -}; - - -/** - * Path for included scripts. - * @type {string} - */ -goog.basePath = ''; - - -/** - * A hook for overriding the base path. - * @type {string|undefined} - */ -goog.global.CLOSURE_BASE_PATH; - - -/** - * Whether to write out Closure's deps file. By default, the deps are written. - * @type {boolean|undefined} - */ -goog.global.CLOSURE_NO_DEPS; - - -/** - * A function to import a single script. This is meant to be overridden when - * Closure is being run in non-HTML contexts, such as web workers. It's defined - * in the global scope so that it can be set before base.js is loaded, which - * allows deps.js to be imported properly. - * - * The function is passed the script source, which is a relative URI. It should - * return true if the script was imported, false otherwise. - * @type {(function(string): boolean)|undefined} - */ -goog.global.CLOSURE_IMPORT_SCRIPT; - - -/** - * Null function used for default values of callbacks, etc. - * @return {void} Nothing. - */ -goog.nullFunction = function() {}; - - -/** - * When defining a class Foo with an abstract method bar(), you can do: - * Foo.prototype.bar = goog.abstractMethod - * - * Now if a subclass of Foo fails to override bar(), an error will be thrown - * when bar() is invoked. - * - * Note: This does not take the name of the function to override as an argument - * because that would make it more difficult to obfuscate our JavaScript code. - * - * @type {!Function} - * @throws {Error} when invoked to indicate the method should be overridden. - */ -goog.abstractMethod = function() { - throw Error('unimplemented abstract method'); -}; - - -/** - * Adds a {@code getInstance} static method that always returns the same - * instance object. - * @param {!Function} ctor The constructor for the class to add the static - * method to. - */ -goog.addSingletonGetter = function(ctor) { - ctor.getInstance = function() { - if (ctor.instance_) { - return ctor.instance_; - } - if (goog.DEBUG) { - // NOTE: JSCompiler can't optimize away Array#push. - goog.instantiatedSingletons_[goog.instantiatedSingletons_.length] = ctor; - } - return ctor.instance_ = new ctor; - }; -}; - - -/** - * All singleton classes that have been instantiated, for testing. Don't read - * it directly, use the {@code goog.testing.singleton} module. The compiler - * removes this variable if unused. - * @type {!Array} - * @private - */ -goog.instantiatedSingletons_ = []; - - -/** - * @define {boolean} Whether to load goog.modules using {@code eval} when using - * the debug loader. This provides a better debugging experience as the - * source is unmodified and can be edited using Chrome Workspaces or similar. - * However in some environments the use of {@code eval} is banned - * so we provide an alternative. - */ -goog.define('goog.LOAD_MODULE_USING_EVAL', true); - - -/** - * @define {boolean} Whether the exports of goog.modules should be sealed when - * possible. - */ -goog.define('goog.SEAL_MODULE_EXPORTS', goog.DEBUG); - - -/** - * The registry of initialized modules: - * the module identifier to module exports map. - * @private @const {!Object} - */ -goog.loadedModules_ = {}; - - -/** - * True if goog.dependencies_ is available. - * @const {boolean} - */ -goog.DEPENDENCIES_ENABLED = !COMPILED && goog.ENABLE_DEBUG_LOADER; - - -/** - * @define {string} How to decide whether to transpile. Valid values - * are 'always', 'never', and 'detect'. The default ('detect') is to - * use feature detection to determine which language levels need - * transpilation. - */ -// NOTE(user): we could expand this to accept a language level to bypass -// detection: e.g. goog.TRANSPILE == 'es5' would transpile ES6 files but -// would leave ES3 and ES5 files alone. -goog.define('goog.TRANSPILE', 'detect'); - - -/** - * @define {string} Path to the transpiler. Executing the script at this - * path (relative to base.js) should define a function $jscomp.transpile. - */ -goog.define('goog.TRANSPILER', 'transpile.js'); - - -if (goog.DEPENDENCIES_ENABLED) { - /** - * This object is used to keep track of dependencies and other data that is - * used for loading scripts. - * @private - * @type {{ - * loadFlags: !Object>, - * nameToPath: !Object, - * requires: !Object>, - * visited: !Object, - * written: !Object, - * deferred: !Object - * }} - */ - goog.dependencies_ = { - loadFlags: {}, // 1 to 1 - - nameToPath: {}, // 1 to 1 - - requires: {}, // 1 to many - - // Used when resolving dependencies to prevent us from visiting file twice. - visited: {}, - - written: {}, // Used to keep track of script files we have written. - - deferred: {} // Used to track deferred module evaluations in old IEs - }; - - - /** - * Tries to detect whether is in the context of an HTML document. - * @return {boolean} True if it looks like HTML document. - * @private - */ - goog.inHtmlDocument_ = function() { - /** @type {Document} */ - var doc = goog.global.document; - return doc != null && 'write' in doc; // XULDocument misses write. - }; - - - /** - * Tries to detect the base path of base.js script that bootstraps Closure. - * @private - */ - goog.findBasePath_ = function() { - if (goog.isDef(goog.global.CLOSURE_BASE_PATH)) { - goog.basePath = goog.global.CLOSURE_BASE_PATH; - return; - } else if (!goog.inHtmlDocument_()) { - return; - } - /** @type {Document} */ - var doc = goog.global.document; - var scripts = doc.getElementsByTagName('SCRIPT'); - // Search backwards since the current script is in almost all cases the one - // that has base.js. - for (var i = scripts.length - 1; i >= 0; --i) { - var script = /** @type {!HTMLScriptElement} */ (scripts[i]); - var src = script.src; - var qmark = src.lastIndexOf('?'); - var l = qmark == -1 ? src.length : qmark; - if (src.substr(l - 7, 7) == 'base.js') { - goog.basePath = src.substr(0, l - 7); - return; - } - } - }; - - - /** - * Imports a script if, and only if, that script hasn't already been imported. - * (Must be called at execution time) - * @param {string} src Script source. - * @param {string=} opt_sourceText The optionally source text to evaluate - * @private - */ - goog.importScript_ = function(src, opt_sourceText) { - var importScript = - goog.global.CLOSURE_IMPORT_SCRIPT || goog.writeScriptTag_; - if (importScript(src, opt_sourceText)) { - goog.dependencies_.written[src] = true; - } - }; - - - /** - * Whether the browser is IE9 or earlier, which needs special handling - * for deferred modules. - * @const @private {boolean} - */ - goog.IS_OLD_IE_ = - !!(!goog.global.atob && goog.global.document && goog.global.document.all); - - - /** - * Given a URL initiate retrieval and execution of a script that needs - * pre-processing. - * @param {string} src Script source URL. - * @param {boolean} isModule Whether this is a goog.module. - * @param {boolean} needsTranspile Whether this source needs transpilation. - * @private - */ - goog.importProcessedScript_ = function(src, isModule, needsTranspile) { - // In an attempt to keep browsers from timing out loading scripts using - // synchronous XHRs, put each load in its own script block. - var bootstrap = 'goog.retrieveAndExec_("' + src + '", ' + isModule + ', ' + - needsTranspile + ');'; - - goog.importScript_('', bootstrap); - }; - - - /** @private {!Array} */ - goog.queuedModules_ = []; - - - /** - * Return an appropriate module text. Suitable to insert into - * a script tag (that is unescaped). - * @param {string} srcUrl - * @param {string} scriptText - * @return {string} - * @private - */ - goog.wrapModule_ = function(srcUrl, scriptText) { - if (!goog.LOAD_MODULE_USING_EVAL || !goog.isDef(goog.global.JSON)) { - return '' + - 'goog.loadModule(function(exports) {' + - '"use strict";' + scriptText + - '\n' + // terminate any trailing single line comment. - ';return exports' + - '});' + - '\n//# sourceURL=' + srcUrl + '\n'; - } else { - return '' + - 'goog.loadModule(' + - goog.global.JSON.stringify( - scriptText + '\n//# sourceURL=' + srcUrl + '\n') + - ');'; - } - }; - - // On IE9 and earlier, it is necessary to handle - // deferred module loads. In later browsers, the - // code to be evaluated is simply inserted as a script - // block in the correct order. To eval deferred - // code at the right time, we piggy back on goog.require to call - // goog.maybeProcessDeferredDep_. - // - // The goog.requires are used both to bootstrap - // the loading process (when no deps are available) and - // declare that they should be available. - // - // Here we eval the sources, if all the deps are available - // either already eval'd or goog.require'd. This will - // be the case when all the dependencies have already - // been loaded, and the dependent module is loaded. - // - // But this alone isn't sufficient because it is also - // necessary to handle the case where there is no root - // that is not deferred. For that there we register for an event - // and trigger goog.loadQueuedModules_ handle any remaining deferred - // evaluations. - - /** - * Handle any remaining deferred goog.module evals. - * @private - */ - goog.loadQueuedModules_ = function() { - var count = goog.queuedModules_.length; - if (count > 0) { - var queue = goog.queuedModules_; - goog.queuedModules_ = []; - for (var i = 0; i < count; i++) { - var path = queue[i]; - goog.maybeProcessDeferredPath_(path); - } - } - }; - - - /** - * Eval the named module if its dependencies are - * available. - * @param {string} name The module to load. - * @private - */ - goog.maybeProcessDeferredDep_ = function(name) { - if (goog.isDeferredModule_(name) && goog.allDepsAreAvailable_(name)) { - var path = goog.getPathFromDeps_(name); - goog.maybeProcessDeferredPath_(goog.basePath + path); - } - }; - - /** - * @param {string} name The module to check. - * @return {boolean} Whether the name represents a - * module whose evaluation has been deferred. - * @private - */ - goog.isDeferredModule_ = function(name) { - var path = goog.getPathFromDeps_(name); - var loadFlags = path && goog.dependencies_.loadFlags[path] || {}; - if (path && (loadFlags['module'] == 'goog' || - goog.needsTranspile_(loadFlags['lang']))) { - var abspath = goog.basePath + path; - return (abspath) in goog.dependencies_.deferred; - } - return false; - }; - - /** - * @param {string} name The module to check. - * @return {boolean} Whether the name represents a - * module whose declared dependencies have all been loaded - * (eval'd or a deferred module load) - * @private - */ - goog.allDepsAreAvailable_ = function(name) { - var path = goog.getPathFromDeps_(name); - if (path && (path in goog.dependencies_.requires)) { - for (var requireName in goog.dependencies_.requires[path]) { - if (!goog.isProvided_(requireName) && - !goog.isDeferredModule_(requireName)) { - return false; - } - } - } - return true; - }; - - - /** - * @param {string} abspath - * @private - */ - goog.maybeProcessDeferredPath_ = function(abspath) { - if (abspath in goog.dependencies_.deferred) { - var src = goog.dependencies_.deferred[abspath]; - delete goog.dependencies_.deferred[abspath]; - goog.globalEval(src); - } - }; - - - /** - * Load a goog.module from the provided URL. This is not a general purpose - * code loader and does not support late loading code, that is it should only - * be used during page load. This method exists to support unit tests and - * "debug" loaders that would otherwise have inserted script tags. Under the - * hood this needs to use a synchronous XHR and is not recommeneded for - * production code. - * - * The module's goog.requires must have already been satisified; an exception - * will be thrown if this is not the case. This assumption is that no - * "deps.js" file exists, so there is no way to discover and locate the - * module-to-be-loaded's dependencies and no attempt is made to do so. - * - * There should only be one attempt to load a module. If - * "goog.loadModuleFromUrl" is called for an already loaded module, an - * exception will be throw. - * - * @param {string} url The URL from which to attempt to load the goog.module. - */ - goog.loadModuleFromUrl = function(url) { - // Because this executes synchronously, we don't need to do any additional - // bookkeeping. When "goog.loadModule" the namespace will be marked as - // having been provided which is sufficient. - goog.retrieveAndExec_(url, true, false); - }; - - - /** - * @param {function(?):?|string} moduleDef The module definition. - */ - goog.loadModule = function(moduleDef) { - // NOTE: we allow function definitions to be either in the from - // of a string to eval (which keeps the original source intact) or - // in a eval forbidden environment (CSP) we allow a function definition - // which in its body must call {@code goog.module}, and return the exports - // of the module. - var previousState = goog.moduleLoaderState_; - try { - goog.moduleLoaderState_ = { - moduleName: undefined, - declareLegacyNamespace: false - }; - var exports; - if (goog.isFunction(moduleDef)) { - exports = moduleDef.call(goog.global, {}); - } else if (goog.isString(moduleDef)) { - exports = goog.loadModuleFromSource_.call(goog.global, moduleDef); - } else { - throw Error('Invalid module definition'); - } - - var moduleName = goog.moduleLoaderState_.moduleName; - if (!goog.isString(moduleName) || !moduleName) { - throw Error('Invalid module name \"' + moduleName + '\"'); - } - - // Don't seal legacy namespaces as they may be uses as a parent of - // another namespace - if (goog.moduleLoaderState_.declareLegacyNamespace) { - goog.constructNamespace_(moduleName, exports); - } else if (goog.SEAL_MODULE_EXPORTS && Object.seal) { - Object.seal(exports); - } - - goog.loadedModules_[moduleName] = exports; - } finally { - goog.moduleLoaderState_ = previousState; - } - }; - - - /** - * @private @const {function(string):?} - * - * The new type inference warns because this function has no formal - * parameters, but its jsdoc says that it takes one argument. - * (The argument is used via arguments[0], but NTI does not detect this.) - * @suppress {newCheckTypes} - */ - goog.loadModuleFromSource_ = function() { - // NOTE: we avoid declaring parameters or local variables here to avoid - // masking globals or leaking values into the module definition. - 'use strict'; - var exports = {}; - eval(arguments[0]); - return exports; - }; - - - /** - * Writes a new script pointing to {@code src} directly into the DOM. - * - * NOTE: This method is not CSP-compliant. @see goog.appendScriptSrcNode_ for - * the fallback mechanism. - * - * @param {string} src The script URL. - * @private - */ - goog.writeScriptSrcNode_ = function(src) { - goog.global.document.write( - '