| Index: third_party/document_image_extractor/third_party/closure-library/closure/goog/base.js
|
| diff --git a/third_party/document_image_extractor/third_party/closure-library/closure/goog/base.js b/third_party/document_image_extractor/third_party/closure-library/closure/goog/base.js
|
| deleted file mode 100644
|
| index 7723717d33db226cf8c9a2d73df82328a35b666b..0000000000000000000000000000000000000000
|
| --- a/third_party/document_image_extractor/third_party/closure-library/closure/goog/base.js
|
| +++ /dev/null
|
| @@ -1,2496 +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 <code>CLOSURE_NO_DEPS</code> 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 --closure_pass
|
| - * or --mark_as_compiled 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:
|
| - * <pre>
|
| - * var CLOSURE_UNCOMPILED_DEFINES = {'goog.DEBUG': false};
|
| - * </pre>
|
| - *
|
| - * @type {Object<string, (string|number|boolean)>|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:
|
| - * <pre>
|
| - * var CLOSURE_DEFINES = {'goog.DEBUG': false} ;
|
| - * </pre>
|
| - *
|
| - * @type {Object<string, (string|number|boolean)>|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=<locale_name>" 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://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions_and_function_scope/Strict_mode
|
| - *
|
| - */
|
| -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);
|
| -
|
| -
|
| -/**
|
| - * 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 (!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),
|
| - * declareTestMethods: boolean
|
| - * }}
|
| - */
|
| -goog.moduleLoaderState_ = null;
|
| -
|
| -
|
| -/**
|
| - * @private
|
| - * @return {boolean} Whether a goog.module is currently being initialized.
|
| - */
|
| -goog.isInModuleLoader_ = function() {
|
| - return goog.moduleLoaderState_ != null;
|
| -};
|
| -
|
| -
|
| -/**
|
| - * Indicate that a module's exports that are known test methods should
|
| - * be copied to the global object. This makes the test methods visible to
|
| - * test runners that inspect the global object.
|
| - *
|
| - * TODO(johnlenz): Make the test framework aware of goog.module so
|
| - * that this isn't necessary. Alternately combine this with goog.setTestOnly
|
| - * to minimize boiler plate.
|
| - * @suppress {missingProvide}
|
| - */
|
| -goog.module.declareTestMethods = function() {
|
| - if (!goog.isInModuleLoader_()) {
|
| - throw new Error('goog.module.declareTestMethods must be called from ' +
|
| - 'within a goog.module');
|
| - }
|
| - goog.moduleLoaderState_.declareTestMethods = true;
|
| -};
|
| -
|
| -
|
| -/**
|
| - * 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) {};
|
| -
|
| -
|
| -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<string, (boolean|undefined)>}
|
| - * @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<string>} provides An array of strings with
|
| - * the names of the objects this file provides.
|
| - * @param {!Array<string>} requires An array of strings with
|
| - * the names of the objects this file requires.
|
| - * @param {boolean=} opt_isModule Whether this dependency must be loaded as
|
| - * a module as declared by goog.module.
|
| - */
|
| -goog.addDependency = function(relPath, provides, requires, opt_isModule) {
|
| - if (goog.DEPENDENCIES_ENABLED) {
|
| - var provide, require;
|
| - var path = relPath.replace(/\\/g, '/');
|
| - var deps = goog.dependencies_;
|
| - for (var i = 0; provide = provides[i]; i++) {
|
| - deps.nameToPath[provide] = path;
|
| - deps.pathIsModule[path] = !!opt_isModule;
|
| - }
|
| - 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. See http://go/js_deps,
|
| -// http://go/genjsdeps, or, externally, DepsWriter.
|
| -// 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 --closure_pass 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.included_[path] = true;
|
| - goog.writeScripts_();
|
| - 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() {};
|
| -
|
| -
|
| -/**
|
| - * The identity function. Returns its first argument.
|
| - *
|
| - * @param {*=} opt_returnValue The single value that will be returned.
|
| - * @param {...*} var_args Optional trailing arguments. These are ignored.
|
| - * @return {?} The first argument. We can't know the type -- just pass it along
|
| - * without type.
|
| - * @deprecated Use goog.functions.identity instead.
|
| - */
|
| -goog.identityFunction = function(opt_returnValue, var_args) {
|
| - return opt_returnValue;
|
| -};
|
| -
|
| -
|
| -/**
|
| - * 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<!Function>}
|
| - * @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<string, ?>}
|
| - */
|
| -goog.loadedModules_ = {};
|
| -
|
| -
|
| -/**
|
| - * True if goog.dependencies_ is available.
|
| - * @const {boolean}
|
| - */
|
| -goog.DEPENDENCIES_ENABLED = !COMPILED && goog.ENABLE_DEBUG_LOADER;
|
| -
|
| -
|
| -if (goog.DEPENDENCIES_ENABLED) {
|
| - /**
|
| - * Object used to keep track of urls that have already been added. This record
|
| - * allows the prevention of circular dependencies.
|
| - * @private {!Object<string, boolean>}
|
| - */
|
| - goog.included_ = {};
|
| -
|
| -
|
| - /**
|
| - * This object is used to keep track of dependencies and other data that is
|
| - * used for loading scripts.
|
| - * @private
|
| - * @type {{
|
| - * pathIsModule: !Object<string, boolean>,
|
| - * nameToPath: !Object<string, string>,
|
| - * requires: !Object<string, !Object<string, boolean>>,
|
| - * visited: !Object<string, boolean>,
|
| - * written: !Object<string, boolean>,
|
| - * deferred: !Object<string, string>
|
| - * }}
|
| - */
|
| - goog.dependencies_ = {
|
| - pathIsModule: {}, // 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() {
|
| - var doc = goog.global.document;
|
| - return typeof doc != 'undefined' &&
|
| - '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;
|
| - }
|
| - 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;
|
| - }
|
| - };
|
| -
|
| -
|
| - /** @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 the module.
|
| - * @param {string} src Script source URL.
|
| - * @private
|
| - */
|
| - goog.importModule_ = function(src) {
|
| - // 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.retrieveAndExecModule_("' + src + '");';
|
| -
|
| - if (goog.importScript_('', bootstrap)) {
|
| - goog.dependencies_.written[src] = true;
|
| - }
|
| - };
|
| -
|
| -
|
| - /** @private {!Array<string>} */
|
| - 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);
|
| - if (path && goog.dependencies_.pathIsModule[path]) {
|
| - 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);
|
| - }
|
| - };
|
| -
|
| -
|
| - /**
|
| - * @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, declareTestMethods: 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;
|
| - if (goog.moduleLoaderState_.declareTestMethods) {
|
| - for (var entry in exports) {
|
| - if (entry.indexOf('test', 0) === 0 ||
|
| - entry == 'tearDown' ||
|
| - entry == 'setUp' ||
|
| - entry == 'setUpPage' ||
|
| - entry == 'tearDownPage') {
|
| - goog.global[entry] = exports[entry];
|
| - }
|
| - }
|
| - }
|
| - } finally {
|
| - goog.moduleLoaderState_ = previousState;
|
| - }
|
| - };
|
| -
|
| -
|
| - /**
|
| - * @param {string} source
|
| - * @return {!Object}
|
| - * @private
|
| - */
|
| - goog.loadModuleFromSource_ = function(source) {
|
| - // 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;
|
| - };
|
| -
|
| -
|
| - /**
|
| - * The default implementation of the import function. Writes a script tag to
|
| - * import the script.
|
| - *
|
| - * @param {string} src The script url.
|
| - * @param {string=} opt_sourceText The optionally source text to evaluate
|
| - * @return {boolean} True if the script was imported, false otherwise.
|
| - * @private
|
| - */
|
| - goog.writeScriptTag_ = function(src, opt_sourceText) {
|
| - if (goog.inHtmlDocument_()) {
|
| - var doc = goog.global.document;
|
| -
|
| - // If the user tries to require a new symbol after document load,
|
| - // something has gone terribly wrong. Doing a document.write would
|
| - // wipe out the page.
|
| - if (doc.readyState == 'complete') {
|
| - // Certain test frameworks load base.js multiple times, which tries
|
| - // to write deps.js each time. If that happens, just fail silently.
|
| - // These frameworks wipe the page between each load of base.js, so this
|
| - // is OK.
|
| - var isDeps = /\bdeps.js$/.test(src);
|
| - if (isDeps) {
|
| - return false;
|
| - } else {
|
| - throw Error('Cannot write "' + src + '" after document load');
|
| - }
|
| - }
|
| -
|
| - var isOldIE = goog.IS_OLD_IE_;
|
| -
|
| - if (opt_sourceText === undefined) {
|
| - if (!isOldIE) {
|
| - doc.write(
|
| - '<script type="text/javascript" src="' +
|
| - src + '"></' + 'script>');
|
| - } else {
|
| - var state = " onreadystatechange='goog.onScriptLoad_(this, " +
|
| - ++goog.lastNonModuleScriptIndex_ + ")' ";
|
| - doc.write(
|
| - '<script type="text/javascript" src="' +
|
| - src + '"' + state + '></' + 'script>');
|
| - }
|
| - } else {
|
| - doc.write(
|
| - '<script type="text/javascript">' +
|
| - opt_sourceText +
|
| - '</' + 'script>');
|
| - }
|
| - return true;
|
| - } else {
|
| - return false;
|
| - }
|
| - };
|
| -
|
| -
|
| - /** @private {number} */
|
| - goog.lastNonModuleScriptIndex_ = 0;
|
| -
|
| -
|
| - /**
|
| - * A readystatechange handler for legacy IE
|
| - * @param {!HTMLScriptElement} script
|
| - * @param {number} scriptIndex
|
| - * @return {boolean}
|
| - * @private
|
| - */
|
| - goog.onScriptLoad_ = function(script, scriptIndex) {
|
| - // for now load the modules when we reach the last script,
|
| - // later allow more inter-mingling.
|
| - if (script.readyState == 'complete' &&
|
| - goog.lastNonModuleScriptIndex_ == scriptIndex) {
|
| - goog.loadQueuedModules_();
|
| - }
|
| - return true;
|
| - };
|
| -
|
| - /**
|
| - * Resolves dependencies based on the dependencies added using addDependency
|
| - * and calls importScript_ in the correct order.
|
| - * @private
|
| - */
|
| - goog.writeScripts_ = function() {
|
| - /** @type {!Array<string>} The scripts we need to write this time. */
|
| - var scripts = [];
|
| - var seenScript = {};
|
| - var deps = goog.dependencies_;
|
| -
|
| - /** @param {string} path */
|
| - function visitNode(path) {
|
| - if (path in deps.written) {
|
| - return;
|
| - }
|
| -
|
| - // We have already visited this one. We can get here if we have cyclic
|
| - // dependencies.
|
| - if (path in deps.visited) {
|
| - if (!(path in seenScript)) {
|
| - seenScript[path] = true;
|
| - scripts.push(path);
|
| - }
|
| - return;
|
| - }
|
| -
|
| - deps.visited[path] = true;
|
| -
|
| - if (path in deps.requires) {
|
| - for (var requireName in deps.requires[path]) {
|
| - // If the required name is defined, we assume that it was already
|
| - // bootstrapped by other means.
|
| - if (!goog.isProvided_(requireName)) {
|
| - if (requireName in deps.nameToPath) {
|
| - visitNode(deps.nameToPath[requireName]);
|
| - } else {
|
| - throw Error('Undefined nameToPath for ' + requireName);
|
| - }
|
| - }
|
| - }
|
| - }
|
| -
|
| - if (!(path in seenScript)) {
|
| - seenScript[path] = true;
|
| - scripts.push(path);
|
| - }
|
| - }
|
| -
|
| - for (var path in goog.included_) {
|
| - if (!deps.written[path]) {
|
| - visitNode(path);
|
| - }
|
| - }
|
| -
|
| - // record that we are going to load all these scripts.
|
| - for (var i = 0; i < scripts.length; i++) {
|
| - var path = scripts[i];
|
| - goog.dependencies_.written[path] = true;
|
| - }
|
| -
|
| - // If a module is loaded synchronously then we need to
|
| - // clear the current inModuleLoader value, and restore it when we are
|
| - // done loading the current "requires".
|
| - var moduleState = goog.moduleLoaderState_;
|
| - goog.moduleLoaderState_ = null;
|
| -
|
| - var loadingModule = false;
|
| - for (var i = 0; i < scripts.length; i++) {
|
| - var path = scripts[i];
|
| - if (path) {
|
| - if (!deps.pathIsModule[path]) {
|
| - goog.importScript_(goog.basePath + path);
|
| - } else {
|
| - loadingModule = true;
|
| - goog.importModule_(goog.basePath + path);
|
| - }
|
| - } else {
|
| - goog.moduleLoaderState_ = moduleState;
|
| - throw Error('Undefined script input');
|
| - }
|
| - }
|
| -
|
| - // restore the current "module loading state"
|
| - goog.moduleLoaderState_ = moduleState;
|
| - };
|
| -
|
| -
|
| - /**
|
| - * Looks at the dependency rules and tries to determine the script file that
|
| - * fulfills a particular rule.
|
| - * @param {string} rule In the form goog.namespace.Class or project.script.
|
| - * @return {?string} Url corresponding to the rule, or null.
|
| - * @private
|
| - */
|
| - goog.getPathFromDeps_ = function(rule) {
|
| - if (rule in goog.dependencies_.nameToPath) {
|
| - return goog.dependencies_.nameToPath[rule];
|
| - } else {
|
| - return null;
|
| - }
|
| - };
|
| -
|
| - goog.findBasePath_();
|
| -
|
| - // Allow projects to manage the deps files themselves.
|
| - if (!goog.global.CLOSURE_NO_DEPS) {
|
| - goog.importScript_(goog.basePath + 'deps.js');
|
| - }
|
| -}
|
| -
|
| -
|
| -/**
|
| - * Normalize a file path by removing redundant ".." and extraneous "." file
|
| - * path components.
|
| - * @param {string} path
|
| - * @return {string}
|
| - * @private
|
| - */
|
| -goog.normalizePath_ = function(path) {
|
| - var components = path.split('/');
|
| - var i = 0;
|
| - while (i < components.length) {
|
| - if (components[i] == '.') {
|
| - components.splice(i, 1);
|
| - } else if (i && components[i] == '..' &&
|
| - components[i - 1] && components[i - 1] != '..') {
|
| - components.splice(--i, 2);
|
| - } else {
|
| - i++;
|
| - }
|
| - }
|
| - return components.join('/');
|
| -};
|
| -
|
| -
|
| -/**
|
| - * Retrieve and execute a module.
|
| - * @param {string} src Script source URL.
|
| - * @private
|
| - */
|
| -goog.retrieveAndExecModule_ = function(src) {
|
| - if (!COMPILED) {
|
| - // The full but non-canonicalized URL for later use.
|
| - var originalPath = src;
|
| - // Canonicalize the path, removing any /./ or /../ since Chrome's debugging
|
| - // console doesn't auto-canonicalize XHR loads as it does <script> srcs.
|
| - src = goog.normalizePath_(src);
|
| -
|
| - var importScript = goog.global.CLOSURE_IMPORT_SCRIPT ||
|
| - goog.writeScriptTag_;
|
| -
|
| - var scriptText = null;
|
| -
|
| - var xhr = new goog.global['XMLHttpRequest']();
|
| -
|
| - /** @this {Object} */
|
| - xhr.onload = function() {
|
| - scriptText = this.responseText;
|
| - };
|
| - xhr.open('get', src, false);
|
| - xhr.send();
|
| -
|
| - scriptText = xhr.responseText;
|
| -
|
| - if (scriptText != null) {
|
| - var execModuleScript = goog.wrapModule_(src, scriptText);
|
| - var isOldIE = goog.IS_OLD_IE_;
|
| - if (isOldIE) {
|
| - goog.dependencies_.deferred[originalPath] = execModuleScript;
|
| - goog.queuedModules_.push(originalPath);
|
| - } else {
|
| - importScript(src, execModuleScript);
|
| - }
|
| - } else {
|
| - throw new Error('load of ' + src + 'failed');
|
| - }
|
| - }
|
| -};
|
| -
|
| -
|
| -//==============================================================================
|
| -// Language Enhancements
|
| -//==============================================================================
|
| -
|
| -
|
| -/**
|
| - * This is a "fixed" version of the typeof operator. It differs from the typeof
|
| - * operator in such a way that null returns 'null' and arrays return 'array'.
|
| - * @param {*} value The value to get the type of.
|
| - * @return {string} The name of the type.
|
| - */
|
| -goog.typeOf = function(value) {
|
| - var s = typeof value;
|
| - if (s == 'object') {
|
| - if (value) {
|
| - // Check these first, so we can avoid calling Object.prototype.toString if
|
| - // possible.
|
| - //
|
| - // IE improperly marshals tyepof across execution contexts, but a
|
| - // cross-context object will still return false for "instanceof Object".
|
| - if (value instanceof Array) {
|
| - return 'array';
|
| - } else if (value instanceof Object) {
|
| - return s;
|
| - }
|
| -
|
| - // HACK: In order to use an Object prototype method on the arbitrary
|
| - // value, the compiler requires the value be cast to type Object,
|
| - // even though the ECMA spec explicitly allows it.
|
| - var className = Object.prototype.toString.call(
|
| - /** @type {Object} */ (value));
|
| - // In Firefox 3.6, attempting to access iframe window objects' length
|
| - // property throws an NS_ERROR_FAILURE, so we need to special-case it
|
| - // here.
|
| - if (className == '[object Window]') {
|
| - return 'object';
|
| - }
|
| -
|
| - // We cannot always use constructor == Array or instanceof Array because
|
| - // different frames have different Array objects. In IE6, if the iframe
|
| - // where the array was created is destroyed, the array loses its
|
| - // prototype. Then dereferencing val.splice here throws an exception, so
|
| - // we can't use goog.isFunction. Calling typeof directly returns 'unknown'
|
| - // so that will work. In this case, this function will return false and
|
| - // most array functions will still work because the array is still
|
| - // array-like (supports length and []) even though it has lost its
|
| - // prototype.
|
| - // Mark Miller noticed that Object.prototype.toString
|
| - // allows access to the unforgeable [[Class]] property.
|
| - // 15.2.4.2 Object.prototype.toString ( )
|
| - // When the toString method is called, the following steps are taken:
|
| - // 1. Get the [[Class]] property of this object.
|
| - // 2. Compute a string value by concatenating the three strings
|
| - // "[object ", Result(1), and "]".
|
| - // 3. Return Result(2).
|
| - // and this behavior survives the destruction of the execution context.
|
| - if ((className == '[object Array]' ||
|
| - // In IE all non value types are wrapped as objects across window
|
| - // boundaries (not iframe though) so we have to do object detection
|
| - // for this edge case.
|
| - typeof value.length == 'number' &&
|
| - typeof value.splice != 'undefined' &&
|
| - typeof value.propertyIsEnumerable != 'undefined' &&
|
| - !value.propertyIsEnumerable('splice')
|
| -
|
| - )) {
|
| - return 'array';
|
| - }
|
| - // HACK: There is still an array case that fails.
|
| - // function ArrayImpostor() {}
|
| - // ArrayImpostor.prototype = [];
|
| - // var impostor = new ArrayImpostor;
|
| - // this can be fixed by getting rid of the fast path
|
| - // (value instanceof Array) and solely relying on
|
| - // (value && Object.prototype.toString.vall(value) === '[object Array]')
|
| - // but that would require many more function calls and is not warranted
|
| - // unless closure code is receiving objects from untrusted sources.
|
| -
|
| - // IE in cross-window calls does not correctly marshal the function type
|
| - // (it appears just as an object) so we cannot use just typeof val ==
|
| - // 'function'. However, if the object has a call property, it is a
|
| - // function.
|
| - if ((className == '[object Function]' ||
|
| - typeof value.call != 'undefined' &&
|
| - typeof value.propertyIsEnumerable != 'undefined' &&
|
| - !value.propertyIsEnumerable('call'))) {
|
| - return 'function';
|
| - }
|
| -
|
| - } else {
|
| - return 'null';
|
| - }
|
| -
|
| - } else if (s == 'function' && typeof value.call == 'undefined') {
|
| - // In Safari typeof nodeList returns 'function', and on Firefox typeof
|
| - // behaves similarly for HTML{Applet,Embed,Object}, Elements and RegExps. We
|
| - // would like to return object for those and we can detect an invalid
|
| - // function by making sure that the function object has a call method.
|
| - return 'object';
|
| - }
|
| - return s;
|
| -};
|
| -
|
| -
|
| -/**
|
| - * Returns true if the specified value is null.
|
| - * @param {?} val Variable to test.
|
| - * @return {boolean} Whether variable is null.
|
| - */
|
| -goog.isNull = function(val) {
|
| - return val === null;
|
| -};
|
| -
|
| -
|
| -/**
|
| - * Returns true if the specified value is defined and not null.
|
| - * @param {?} val Variable to test.
|
| - * @return {boolean} Whether variable is defined and not null.
|
| - */
|
| -goog.isDefAndNotNull = function(val) {
|
| - // Note that undefined == null.
|
| - return val != null;
|
| -};
|
| -
|
| -
|
| -/**
|
| - * Returns true if the specified value is an array.
|
| - * @param {?} val Variable to test.
|
| - * @return {boolean} Whether variable is an array.
|
| - */
|
| -goog.isArray = function(val) {
|
| - return goog.typeOf(val) == 'array';
|
| -};
|
| -
|
| -
|
| -/**
|
| - * Returns true if the object looks like an array. To qualify as array like
|
| - * the value needs to be either a NodeList or an object with a Number length
|
| - * property. As a special case, a function value is not array like, because its
|
| - * length property is fixed to correspond to the number of expected arguments.
|
| - * @param {?} val Variable to test.
|
| - * @return {boolean} Whether variable is an array.
|
| - */
|
| -goog.isArrayLike = function(val) {
|
| - var type = goog.typeOf(val);
|
| - // We do not use goog.isObject here in order to exclude function values.
|
| - return type == 'array' || type == 'object' && typeof val.length == 'number';
|
| -};
|
| -
|
| -
|
| -/**
|
| - * Returns true if the object looks like a Date. To qualify as Date-like the
|
| - * value needs to be an object and have a getFullYear() function.
|
| - * @param {?} val Variable to test.
|
| - * @return {boolean} Whether variable is a like a Date.
|
| - */
|
| -goog.isDateLike = function(val) {
|
| - return goog.isObject(val) && typeof val.getFullYear == 'function';
|
| -};
|
| -
|
| -
|
| -/**
|
| - * Returns true if the specified value is a string.
|
| - * @param {?} val Variable to test.
|
| - * @return {boolean} Whether variable is a string.
|
| - */
|
| -goog.isString = function(val) {
|
| - return typeof val == 'string';
|
| -};
|
| -
|
| -
|
| -/**
|
| - * Returns true if the specified value is a boolean.
|
| - * @param {?} val Variable to test.
|
| - * @return {boolean} Whether variable is boolean.
|
| - */
|
| -goog.isBoolean = function(val) {
|
| - return typeof val == 'boolean';
|
| -};
|
| -
|
| -
|
| -/**
|
| - * Returns true if the specified value is a number.
|
| - * @param {?} val Variable to test.
|
| - * @return {boolean} Whether variable is a number.
|
| - */
|
| -goog.isNumber = function(val) {
|
| - return typeof val == 'number';
|
| -};
|
| -
|
| -
|
| -/**
|
| - * Returns true if the specified value is a function.
|
| - * @param {?} val Variable to test.
|
| - * @return {boolean} Whether variable is a function.
|
| - */
|
| -goog.isFunction = function(val) {
|
| - return goog.typeOf(val) == 'function';
|
| -};
|
| -
|
| -
|
| -/**
|
| - * Returns true if the specified value is an object. This includes arrays and
|
| - * functions.
|
| - * @param {?} val Variable to test.
|
| - * @return {boolean} Whether variable is an object.
|
| - */
|
| -goog.isObject = function(val) {
|
| - var type = typeof val;
|
| - return type == 'object' && val != null || type == 'function';
|
| - // return Object(val) === val also works, but is slower, especially if val is
|
| - // not an object.
|
| -};
|
| -
|
| -
|
| -/**
|
| - * Gets a unique ID for an object. This mutates the object so that further calls
|
| - * with the same object as a parameter returns the same value. The unique ID is
|
| - * guaranteed to be unique across the current session amongst objects that are
|
| - * passed into {@code getUid}. There is no guarantee that the ID is unique or
|
| - * consistent across sessions. It is unsafe to generate unique ID for function
|
| - * prototypes.
|
| - *
|
| - * @param {Object} obj The object to get the unique ID for.
|
| - * @return {number} The unique ID for the object.
|
| - */
|
| -goog.getUid = function(obj) {
|
| - // TODO(arv): Make the type stricter, do not accept null.
|
| -
|
| - // In Opera window.hasOwnProperty exists but always returns false so we avoid
|
| - // using it. As a consequence the unique ID generated for BaseClass.prototype
|
| - // and SubClass.prototype will be the same.
|
| - return obj[goog.UID_PROPERTY_] ||
|
| - (obj[goog.UID_PROPERTY_] = ++goog.uidCounter_);
|
| -};
|
| -
|
| -
|
| -/**
|
| - * Whether the given object is already assigned a unique ID.
|
| - *
|
| - * This does not modify the object.
|
| - *
|
| - * @param {!Object} obj The object to check.
|
| - * @return {boolean} Whether there is an assigned unique id for the object.
|
| - */
|
| -goog.hasUid = function(obj) {
|
| - return !!obj[goog.UID_PROPERTY_];
|
| -};
|
| -
|
| -
|
| -/**
|
| - * Removes the unique ID from an object. This is useful if the object was
|
| - * previously mutated using {@code goog.getUid} in which case the mutation is
|
| - * undone.
|
| - * @param {Object} obj The object to remove the unique ID field from.
|
| - */
|
| -goog.removeUid = function(obj) {
|
| - // TODO(arv): Make the type stricter, do not accept null.
|
| -
|
| - // In IE, DOM nodes are not instances of Object and throw an exception if we
|
| - // try to delete. Instead we try to use removeAttribute.
|
| - if ('removeAttribute' in obj) {
|
| - obj.removeAttribute(goog.UID_PROPERTY_);
|
| - }
|
| - /** @preserveTry */
|
| - try {
|
| - delete obj[goog.UID_PROPERTY_];
|
| - } catch (ex) {
|
| - }
|
| -};
|
| -
|
| -
|
| -/**
|
| - * Name for unique ID property. Initialized in a way to help avoid collisions
|
| - * with other closure JavaScript on the same page.
|
| - * @type {string}
|
| - * @private
|
| - */
|
| -goog.UID_PROPERTY_ = 'closure_uid_' + ((Math.random() * 1e9) >>> 0);
|
| -
|
| -
|
| -/**
|
| - * Counter for UID.
|
| - * @type {number}
|
| - * @private
|
| - */
|
| -goog.uidCounter_ = 0;
|
| -
|
| -
|
| -/**
|
| - * Adds a hash code field to an object. The hash code is unique for the
|
| - * given object.
|
| - * @param {Object} obj The object to get the hash code for.
|
| - * @return {number} The hash code for the object.
|
| - * @deprecated Use goog.getUid instead.
|
| - */
|
| -goog.getHashCode = goog.getUid;
|
| -
|
| -
|
| -/**
|
| - * Removes the hash code field from an object.
|
| - * @param {Object} obj The object to remove the field from.
|
| - * @deprecated Use goog.removeUid instead.
|
| - */
|
| -goog.removeHashCode = goog.removeUid;
|
| -
|
| -
|
| -/**
|
| - * Clones a value. The input may be an Object, Array, or basic type. Objects and
|
| - * arrays will be cloned recursively.
|
| - *
|
| - * WARNINGS:
|
| - * <code>goog.cloneObject</code> does not detect reference loops. Objects that
|
| - * refer to themselves will cause infinite recursion.
|
| - *
|
| - * <code>goog.cloneObject</code> is unaware of unique identifiers, and copies
|
| - * UIDs created by <code>getUid</code> into cloned results.
|
| - *
|
| - * @param {*} obj The value to clone.
|
| - * @return {*} A clone of the input value.
|
| - * @deprecated goog.cloneObject is unsafe. Prefer the goog.object methods.
|
| - */
|
| -goog.cloneObject = function(obj) {
|
| - var type = goog.typeOf(obj);
|
| - if (type == 'object' || type == 'array') {
|
| - if (obj.clone) {
|
| - return obj.clone();
|
| - }
|
| - var clone = type == 'array' ? [] : {};
|
| - for (var key in obj) {
|
| - clone[key] = goog.cloneObject(obj[key]);
|
| - }
|
| - return clone;
|
| - }
|
| -
|
| - return obj;
|
| -};
|
| -
|
| -
|
| -/**
|
| - * A native implementation of goog.bind.
|
| - * @param {Function} fn A function to partially apply.
|
| - * @param {Object|undefined} selfObj Specifies the object which this should
|
| - * point to when the function is run.
|
| - * @param {...*} var_args Additional arguments that are partially applied to the
|
| - * function.
|
| - * @return {!Function} A partially-applied form of the function bind() was
|
| - * invoked as a method of.
|
| - * @private
|
| - * @suppress {deprecated} The compiler thinks that Function.prototype.bind is
|
| - * deprecated because some people have declared a pure-JS version.
|
| - * Only the pure-JS version is truly deprecated.
|
| - */
|
| -goog.bindNative_ = function(fn, selfObj, var_args) {
|
| - return /** @type {!Function} */ (fn.call.apply(fn.bind, arguments));
|
| -};
|
| -
|
| -
|
| -/**
|
| - * A pure-JS implementation of goog.bind.
|
| - * @param {Function} fn A function to partially apply.
|
| - * @param {Object|undefined} selfObj Specifies the object which this should
|
| - * point to when the function is run.
|
| - * @param {...*} var_args Additional arguments that are partially applied to the
|
| - * function.
|
| - * @return {!Function} A partially-applied form of the function bind() was
|
| - * invoked as a method of.
|
| - * @private
|
| - */
|
| -goog.bindJs_ = function(fn, selfObj, var_args) {
|
| - if (!fn) {
|
| - throw new Error();
|
| - }
|
| -
|
| - if (arguments.length > 2) {
|
| - var boundArgs = Array.prototype.slice.call(arguments, 2);
|
| - return function() {
|
| - // Prepend the bound arguments to the current arguments.
|
| - var newArgs = Array.prototype.slice.call(arguments);
|
| - Array.prototype.unshift.apply(newArgs, boundArgs);
|
| - return fn.apply(selfObj, newArgs);
|
| - };
|
| -
|
| - } else {
|
| - return function() {
|
| - return fn.apply(selfObj, arguments);
|
| - };
|
| - }
|
| -};
|
| -
|
| -
|
| -/**
|
| - * Partially applies this function to a particular 'this object' and zero or
|
| - * more arguments. The result is a new function with some arguments of the first
|
| - * function pre-filled and the value of this 'pre-specified'.
|
| - *
|
| - * Remaining arguments specified at call-time are appended to the pre-specified
|
| - * ones.
|
| - *
|
| - * Also see: {@link #partial}.
|
| - *
|
| - * Usage:
|
| - * <pre>var barMethBound = bind(myFunction, myObj, 'arg1', 'arg2');
|
| - * barMethBound('arg3', 'arg4');</pre>
|
| - *
|
| - * @param {?function(this:T, ...)} fn A function to partially apply.
|
| - * @param {T} selfObj Specifies the object which this should point to when the
|
| - * function is run.
|
| - * @param {...*} var_args Additional arguments that are partially applied to the
|
| - * function.
|
| - * @return {!Function} A partially-applied form of the function bind() was
|
| - * invoked as a method of.
|
| - * @template T
|
| - * @suppress {deprecated} See above.
|
| - */
|
| -goog.bind = function(fn, selfObj, var_args) {
|
| - // TODO(nicksantos): narrow the type signature.
|
| - if (Function.prototype.bind &&
|
| - // NOTE(nicksantos): Somebody pulled base.js into the default Chrome
|
| - // extension environment. This means that for Chrome extensions, they get
|
| - // the implementation of Function.prototype.bind that calls goog.bind
|
| - // instead of the native one. Even worse, we don't want to introduce a
|
| - // circular dependency between goog.bind and Function.prototype.bind, so
|
| - // we have to hack this to make sure it works correctly.
|
| - Function.prototype.bind.toString().indexOf('native code') != -1) {
|
| - goog.bind = goog.bindNative_;
|
| - } else {
|
| - goog.bind = goog.bindJs_;
|
| - }
|
| - return goog.bind.apply(null, arguments);
|
| -};
|
| -
|
| -
|
| -/**
|
| - * Like bind(), except that a 'this object' is not required. Useful when the
|
| - * target function is already bound.
|
| - *
|
| - * Usage:
|
| - * var g = partial(f, arg1, arg2);
|
| - * g(arg3, arg4);
|
| - *
|
| - * @param {Function} fn A function to partially apply.
|
| - * @param {...*} var_args Additional arguments that are partially applied to fn.
|
| - * @return {!Function} A partially-applied form of the function bind() was
|
| - * invoked as a method of.
|
| - */
|
| -goog.partial = function(fn, var_args) {
|
| - var args = Array.prototype.slice.call(arguments, 1);
|
| - return function() {
|
| - // Clone the array (with slice()) and append additional arguments
|
| - // to the existing arguments.
|
| - var newArgs = args.slice();
|
| - newArgs.push.apply(newArgs, arguments);
|
| - return fn.apply(this, newArgs);
|
| - };
|
| -};
|
| -
|
| -
|
| -/**
|
| - * Copies all the members of a source object to a target object. This method
|
| - * does not work on all browsers for all objects that contain keys such as
|
| - * toString or hasOwnProperty. Use goog.object.extend for this purpose.
|
| - * @param {Object} target Target.
|
| - * @param {Object} source Source.
|
| - */
|
| -goog.mixin = function(target, source) {
|
| - for (var x in source) {
|
| - target[x] = source[x];
|
| - }
|
| -
|
| - // For IE7 or lower, the for-in-loop does not contain any properties that are
|
| - // not enumerable on the prototype object (for example, isPrototypeOf from
|
| - // Object.prototype) but also it will not include 'replace' on objects that
|
| - // extend String and change 'replace' (not that it is common for anyone to
|
| - // extend anything except Object).
|
| -};
|
| -
|
| -
|
| -/**
|
| - * @return {number} An integer value representing the number of milliseconds
|
| - * between midnight, January 1, 1970 and the current time.
|
| - */
|
| -goog.now = (goog.TRUSTED_SITE && Date.now) || (function() {
|
| - // Unary plus operator converts its operand to a number which in the case of
|
| - // a date is done by calling getTime().
|
| - return +new Date();
|
| -});
|
| -
|
| -
|
| -/**
|
| - * Evals JavaScript in the global scope. In IE this uses execScript, other
|
| - * browsers use goog.global.eval. If goog.global.eval does not evaluate in the
|
| - * global scope (for example, in Safari), appends a script tag instead.
|
| - * Throws an exception if neither execScript or eval is defined.
|
| - * @param {string} script JavaScript string.
|
| - */
|
| -goog.globalEval = function(script) {
|
| - if (goog.global.execScript) {
|
| - goog.global.execScript(script, 'JavaScript');
|
| - } else if (goog.global.eval) {
|
| - // Test to see if eval works
|
| - if (goog.evalWorksForGlobals_ == null) {
|
| - goog.global.eval('var _et_ = 1;');
|
| - if (typeof goog.global['_et_'] != 'undefined') {
|
| - delete goog.global['_et_'];
|
| - goog.evalWorksForGlobals_ = true;
|
| - } else {
|
| - goog.evalWorksForGlobals_ = false;
|
| - }
|
| - }
|
| -
|
| - if (goog.evalWorksForGlobals_) {
|
| - goog.global.eval(script);
|
| - } else {
|
| - var doc = goog.global.document;
|
| - var scriptElt = doc.createElement('script');
|
| - scriptElt.type = 'text/javascript';
|
| - scriptElt.defer = false;
|
| - // Note(user): can't use .innerHTML since "t('<test>')" will fail and
|
| - // .text doesn't work in Safari 2. Therefore we append a text node.
|
| - scriptElt.appendChild(doc.createTextNode(script));
|
| - doc.body.appendChild(scriptElt);
|
| - doc.body.removeChild(scriptElt);
|
| - }
|
| - } else {
|
| - throw Error('goog.globalEval not available');
|
| - }
|
| -};
|
| -
|
| -
|
| -/**
|
| - * Indicates whether or not we can call 'eval' directly to eval code in the
|
| - * global scope. Set to a Boolean by the first call to goog.globalEval (which
|
| - * empirically tests whether eval works for globals). @see goog.globalEval
|
| - * @type {?boolean}
|
| - * @private
|
| - */
|
| -goog.evalWorksForGlobals_ = null;
|
| -
|
| -
|
| -/**
|
| - * Optional map of CSS class names to obfuscated names used with
|
| - * goog.getCssName().
|
| - * @private {!Object<string, string>|undefined}
|
| - * @see goog.setCssNameMapping
|
| - */
|
| -goog.cssNameMapping_;
|
| -
|
| -
|
| -/**
|
| - * Optional obfuscation style for CSS class names. Should be set to either
|
| - * 'BY_WHOLE' or 'BY_PART' if defined.
|
| - * @type {string|undefined}
|
| - * @private
|
| - * @see goog.setCssNameMapping
|
| - */
|
| -goog.cssNameMappingStyle_;
|
| -
|
| -
|
| -/**
|
| - * Handles strings that are intended to be used as CSS class names.
|
| - *
|
| - * This function works in tandem with @see goog.setCssNameMapping.
|
| - *
|
| - * Without any mapping set, the arguments are simple joined with a hyphen and
|
| - * passed through unaltered.
|
| - *
|
| - * When there is a mapping, there are two possible styles in which these
|
| - * mappings are used. In the BY_PART style, each part (i.e. in between hyphens)
|
| - * of the passed in css name is rewritten according to the map. In the BY_WHOLE
|
| - * style, the full css name is looked up in the map directly. If a rewrite is
|
| - * not specified by the map, the compiler will output a warning.
|
| - *
|
| - * When the mapping is passed to the compiler, it will replace calls to
|
| - * goog.getCssName with the strings from the mapping, e.g.
|
| - * var x = goog.getCssName('foo');
|
| - * var y = goog.getCssName(this.baseClass, 'active');
|
| - * becomes:
|
| - * var x= 'foo';
|
| - * var y = this.baseClass + '-active';
|
| - *
|
| - * If one argument is passed it will be processed, if two are passed only the
|
| - * modifier will be processed, as it is assumed the first argument was generated
|
| - * as a result of calling goog.getCssName.
|
| - *
|
| - * @param {string} className The class name.
|
| - * @param {string=} opt_modifier A modifier to be appended to the class name.
|
| - * @return {string} The class name or the concatenation of the class name and
|
| - * the modifier.
|
| - */
|
| -goog.getCssName = function(className, opt_modifier) {
|
| - var getMapping = function(cssName) {
|
| - return goog.cssNameMapping_[cssName] || cssName;
|
| - };
|
| -
|
| - var renameByParts = function(cssName) {
|
| - // Remap all the parts individually.
|
| - var parts = cssName.split('-');
|
| - var mapped = [];
|
| - for (var i = 0; i < parts.length; i++) {
|
| - mapped.push(getMapping(parts[i]));
|
| - }
|
| - return mapped.join('-');
|
| - };
|
| -
|
| - var rename;
|
| - if (goog.cssNameMapping_) {
|
| - rename = goog.cssNameMappingStyle_ == 'BY_WHOLE' ?
|
| - getMapping : renameByParts;
|
| - } else {
|
| - rename = function(a) {
|
| - return a;
|
| - };
|
| - }
|
| -
|
| - if (opt_modifier) {
|
| - return className + '-' + rename(opt_modifier);
|
| - } else {
|
| - return rename(className);
|
| - }
|
| -};
|
| -
|
| -
|
| -/**
|
| - * Sets the map to check when returning a value from goog.getCssName(). Example:
|
| - * <pre>
|
| - * goog.setCssNameMapping({
|
| - * "goog": "a",
|
| - * "disabled": "b",
|
| - * });
|
| - *
|
| - * var x = goog.getCssName('goog');
|
| - * // The following evaluates to: "a a-b".
|
| - * goog.getCssName('goog') + ' ' + goog.getCssName(x, 'disabled')
|
| - * </pre>
|
| - * When declared as a map of string literals to string literals, the JSCompiler
|
| - * will replace all calls to goog.getCssName() using the supplied map if the
|
| - * --closure_pass flag is set.
|
| - *
|
| - * @param {!Object} mapping A map of strings to strings where keys are possible
|
| - * arguments to goog.getCssName() and values are the corresponding values
|
| - * that should be returned.
|
| - * @param {string=} opt_style The style of css name mapping. There are two valid
|
| - * options: 'BY_PART', and 'BY_WHOLE'.
|
| - * @see goog.getCssName for a description.
|
| - */
|
| -goog.setCssNameMapping = function(mapping, opt_style) {
|
| - goog.cssNameMapping_ = mapping;
|
| - goog.cssNameMappingStyle_ = opt_style;
|
| -};
|
| -
|
| -
|
| -/**
|
| - * To use CSS renaming in compiled mode, one of the input files should have a
|
| - * call to goog.setCssNameMapping() with an object literal that the JSCompiler
|
| - * can extract and use to replace all calls to goog.getCssName(). In uncompiled
|
| - * mode, JavaScript code should be loaded before this base.js file that declares
|
| - * a global variable, CLOSURE_CSS_NAME_MAPPING, which is used below. This is
|
| - * to ensure that the mapping is loaded before any calls to goog.getCssName()
|
| - * are made in uncompiled mode.
|
| - *
|
| - * A hook for overriding the CSS name mapping.
|
| - * @type {!Object<string, string>|undefined}
|
| - */
|
| -goog.global.CLOSURE_CSS_NAME_MAPPING;
|
| -
|
| -
|
| -if (!COMPILED && goog.global.CLOSURE_CSS_NAME_MAPPING) {
|
| - // This does not call goog.setCssNameMapping() because the JSCompiler
|
| - // requires that goog.setCssNameMapping() be called with an object literal.
|
| - goog.cssNameMapping_ = goog.global.CLOSURE_CSS_NAME_MAPPING;
|
| -}
|
| -
|
| -
|
| -/**
|
| - * Gets a localized message.
|
| - *
|
| - * This function is a compiler primitive. If you give the compiler a localized
|
| - * message bundle, it will replace the string at compile-time with a localized
|
| - * version, and expand goog.getMsg call to a concatenated string.
|
| - *
|
| - * Messages must be initialized in the form:
|
| - * <code>
|
| - * var MSG_NAME = goog.getMsg('Hello {$placeholder}', {'placeholder': 'world'});
|
| - * </code>
|
| - *
|
| - * @param {string} str Translatable string, places holders in the form {$foo}.
|
| - * @param {Object<string, string>=} opt_values Maps place holder name to value.
|
| - * @return {string} message with placeholders filled.
|
| - */
|
| -goog.getMsg = function(str, opt_values) {
|
| - if (opt_values) {
|
| - str = str.replace(/\{\$([^}]+)}/g, function(match, key) {
|
| - return key in opt_values ? opt_values[key] : match;
|
| - });
|
| - }
|
| - return str;
|
| -};
|
| -
|
| -
|
| -/**
|
| - * Gets a localized message. If the message does not have a translation, gives a
|
| - * fallback message.
|
| - *
|
| - * This is useful when introducing a new message that has not yet been
|
| - * translated into all languages.
|
| - *
|
| - * This function is a compiler primitive. Must be used in the form:
|
| - * <code>var x = goog.getMsgWithFallback(MSG_A, MSG_B);</code>
|
| - * where MSG_A and MSG_B were initialized with goog.getMsg.
|
| - *
|
| - * @param {string} a The preferred message.
|
| - * @param {string} b The fallback message.
|
| - * @return {string} The best translated message.
|
| - */
|
| -goog.getMsgWithFallback = function(a, b) {
|
| - return a;
|
| -};
|
| -
|
| -
|
| -/**
|
| - * Exposes an unobfuscated global namespace path for the given object.
|
| - * Note that fields of the exported object *will* be obfuscated, unless they are
|
| - * exported in turn via this function or goog.exportProperty.
|
| - *
|
| - * Also handy for making public items that are defined in anonymous closures.
|
| - *
|
| - * ex. goog.exportSymbol('public.path.Foo', Foo);
|
| - *
|
| - * ex. goog.exportSymbol('public.path.Foo.staticFunction', Foo.staticFunction);
|
| - * public.path.Foo.staticFunction();
|
| - *
|
| - * ex. goog.exportSymbol('public.path.Foo.prototype.myMethod',
|
| - * Foo.prototype.myMethod);
|
| - * new public.path.Foo().myMethod();
|
| - *
|
| - * @param {string} publicPath Unobfuscated name to export.
|
| - * @param {*} object Object the name should point to.
|
| - * @param {Object=} opt_objectToExportTo The object to add the path to; default
|
| - * is goog.global.
|
| - */
|
| -goog.exportSymbol = function(publicPath, object, opt_objectToExportTo) {
|
| - goog.exportPath_(publicPath, object, opt_objectToExportTo);
|
| -};
|
| -
|
| -
|
| -/**
|
| - * Exports a property unobfuscated into the object's namespace.
|
| - * ex. goog.exportProperty(Foo, 'staticFunction', Foo.staticFunction);
|
| - * ex. goog.exportProperty(Foo.prototype, 'myMethod', Foo.prototype.myMethod);
|
| - * @param {Object} object Object whose static property is being exported.
|
| - * @param {string} publicName Unobfuscated name to export.
|
| - * @param {*} symbol Object the name should point to.
|
| - */
|
| -goog.exportProperty = function(object, publicName, symbol) {
|
| - object[publicName] = symbol;
|
| -};
|
| -
|
| -
|
| -/**
|
| - * Inherit the prototype methods from one constructor into another.
|
| - *
|
| - * Usage:
|
| - * <pre>
|
| - * function ParentClass(a, b) { }
|
| - * ParentClass.prototype.foo = function(a) { };
|
| - *
|
| - * function ChildClass(a, b, c) {
|
| - * ChildClass.base(this, 'constructor', a, b);
|
| - * }
|
| - * goog.inherits(ChildClass, ParentClass);
|
| - *
|
| - * var child = new ChildClass('a', 'b', 'see');
|
| - * child.foo(); // This works.
|
| - * </pre>
|
| - *
|
| - * @param {Function} childCtor Child class.
|
| - * @param {Function} parentCtor Parent class.
|
| - */
|
| -goog.inherits = function(childCtor, parentCtor) {
|
| - /** @constructor */
|
| - function tempCtor() {};
|
| - tempCtor.prototype = parentCtor.prototype;
|
| - childCtor.superClass_ = parentCtor.prototype;
|
| - childCtor.prototype = new tempCtor();
|
| - /** @override */
|
| - childCtor.prototype.constructor = childCtor;
|
| -
|
| - /**
|
| - * Calls superclass constructor/method.
|
| - *
|
| - * This function is only available if you use goog.inherits to
|
| - * express inheritance relationships between classes.
|
| - *
|
| - * NOTE: This is a replacement for goog.base and for superClass_
|
| - * property defined in childCtor.
|
| - *
|
| - * @param {!Object} me Should always be "this".
|
| - * @param {string} methodName The method name to call. Calling
|
| - * superclass constructor can be done with the special string
|
| - * 'constructor'.
|
| - * @param {...*} var_args The arguments to pass to superclass
|
| - * method/constructor.
|
| - * @return {*} The return value of the superclass method/constructor.
|
| - */
|
| - childCtor.base = function(me, methodName, var_args) {
|
| - // Copying using loop to avoid deop due to passing arguments object to
|
| - // function. This is faster in many JS engines as of late 2014.
|
| - var args = new Array(arguments.length - 2);
|
| - for (var i = 2; i < arguments.length; i++) {
|
| - args[i - 2] = arguments[i];
|
| - }
|
| - return parentCtor.prototype[methodName].apply(me, args);
|
| - };
|
| -};
|
| -
|
| -
|
| -/**
|
| - * Call up to the superclass.
|
| - *
|
| - * If this is called from a constructor, then this calls the superclass
|
| - * constructor with arguments 1-N.
|
| - *
|
| - * If this is called from a prototype method, then you must pass the name of the
|
| - * method as the second argument to this function. If you do not, you will get a
|
| - * runtime error. This calls the superclass' method with arguments 2-N.
|
| - *
|
| - * This function only works if you use goog.inherits to express inheritance
|
| - * relationships between your classes.
|
| - *
|
| - * This function is a compiler primitive. At compile-time, the compiler will do
|
| - * macro expansion to remove a lot of the extra overhead that this function
|
| - * introduces. The compiler will also enforce a lot of the assumptions that this
|
| - * function makes, and treat it as a compiler error if you break them.
|
| - *
|
| - * @param {!Object} me Should always be "this".
|
| - * @param {*=} opt_methodName The method name if calling a super method.
|
| - * @param {...*} var_args The rest of the arguments.
|
| - * @return {*} The return value of the superclass method.
|
| - * @suppress {es5Strict} This method can not be used in strict mode, but
|
| - * all Closure Library consumers must depend on this file.
|
| - */
|
| -goog.base = function(me, opt_methodName, var_args) {
|
| - var caller = arguments.callee.caller;
|
| -
|
| - if (goog.STRICT_MODE_COMPATIBLE || (goog.DEBUG && !caller)) {
|
| - throw Error('arguments.caller not defined. goog.base() cannot be used ' +
|
| - 'with strict mode code. See ' +
|
| - 'http://www.ecma-international.org/ecma-262/5.1/#sec-C');
|
| - }
|
| -
|
| - if (caller.superClass_) {
|
| - // Copying using loop to avoid deop due to passing arguments object to
|
| - // function. This is faster in many JS engines as of late 2014.
|
| - var ctorArgs = new Array(arguments.length - 1);
|
| - for (var i = 1; i < arguments.length; i++) {
|
| - ctorArgs[i - 1] = arguments[i];
|
| - }
|
| - // This is a constructor. Call the superclass constructor.
|
| - return caller.superClass_.constructor.apply(me, ctorArgs);
|
| - }
|
| -
|
| - // Copying using loop to avoid deop due to passing arguments object to
|
| - // function. This is faster in many JS engines as of late 2014.
|
| - var args = new Array(arguments.length - 2);
|
| - for (var i = 2; i < arguments.length; i++) {
|
| - args[i - 2] = arguments[i];
|
| - }
|
| - var foundCaller = false;
|
| - for (var ctor = me.constructor;
|
| - ctor; ctor = ctor.superClass_ && ctor.superClass_.constructor) {
|
| - if (ctor.prototype[opt_methodName] === caller) {
|
| - foundCaller = true;
|
| - } else if (foundCaller) {
|
| - return ctor.prototype[opt_methodName].apply(me, args);
|
| - }
|
| - }
|
| -
|
| - // If we did not find the caller in the prototype chain, then one of two
|
| - // things happened:
|
| - // 1) The caller is an instance method.
|
| - // 2) This method was not called by the right caller.
|
| - if (me[opt_methodName] === caller) {
|
| - return me.constructor.prototype[opt_methodName].apply(me, args);
|
| - } else {
|
| - throw Error(
|
| - 'goog.base called from a method of one name ' +
|
| - 'to a method of a different name');
|
| - }
|
| -};
|
| -
|
| -
|
| -/**
|
| - * Allow for aliasing within scope functions. This function exists for
|
| - * uncompiled code - in compiled code the calls will be inlined and the aliases
|
| - * applied. In uncompiled code the function is simply run since the aliases as
|
| - * written are valid JavaScript.
|
| - *
|
| - *
|
| - * @param {function()} fn Function to call. This function can contain aliases
|
| - * to namespaces (e.g. "var dom = goog.dom") or classes
|
| - * (e.g. "var Timer = goog.Timer").
|
| - */
|
| -goog.scope = function(fn) {
|
| - fn.call(goog.global);
|
| -};
|
| -
|
| -
|
| -/*
|
| - * To support uncompiled, strict mode bundles that use eval to divide source
|
| - * like so:
|
| - * eval('someSource;//# sourceUrl sourcefile.js');
|
| - * We need to export the globally defined symbols "goog" and "COMPILED".
|
| - * Exporting "goog" breaks the compiler optimizations, so we required that
|
| - * be defined externally.
|
| - * NOTE: We don't use goog.exportSymbol here because we don't want to trigger
|
| - * extern generation when that compiler option is enabled.
|
| - */
|
| -if (!COMPILED) {
|
| - goog.global['COMPILED'] = COMPILED;
|
| -}
|
| -
|
| -
|
| -
|
| -//==============================================================================
|
| -// goog.defineClass implementation
|
| -//==============================================================================
|
| -
|
| -
|
| -/**
|
| - * Creates a restricted form of a Closure "class":
|
| - * - from the compiler's perspective, the instance returned from the
|
| - * constructor is sealed (no new properties may be added). This enables
|
| - * better checks.
|
| - * - the compiler will rewrite this definition to a form that is optimal
|
| - * for type checking and optimization (initially this will be a more
|
| - * traditional form).
|
| - *
|
| - * @param {Function} superClass The superclass, Object or null.
|
| - * @param {goog.defineClass.ClassDescriptor} def
|
| - * An object literal describing
|
| - * the class. It may have the following properties:
|
| - * "constructor": the constructor function
|
| - * "statics": an object literal containing methods to add to the constructor
|
| - * as "static" methods or a function that will receive the constructor
|
| - * function as its only parameter to which static properties can
|
| - * be added.
|
| - * all other properties are added to the prototype.
|
| - * @return {!Function} The class constructor.
|
| - */
|
| -goog.defineClass = function(superClass, def) {
|
| - // TODO(johnlenz): consider making the superClass an optional parameter.
|
| - var constructor = def.constructor;
|
| - var statics = def.statics;
|
| - // Wrap the constructor prior to setting up the prototype and static methods.
|
| - if (!constructor || constructor == Object.prototype.constructor) {
|
| - constructor = function() {
|
| - throw Error('cannot instantiate an interface (no constructor defined).');
|
| - };
|
| - }
|
| -
|
| - var cls = goog.defineClass.createSealingConstructor_(constructor, superClass);
|
| - if (superClass) {
|
| - goog.inherits(cls, superClass);
|
| - }
|
| -
|
| - // Remove all the properties that should not be copied to the prototype.
|
| - delete def.constructor;
|
| - delete def.statics;
|
| -
|
| - goog.defineClass.applyProperties_(cls.prototype, def);
|
| - if (statics != null) {
|
| - if (statics instanceof Function) {
|
| - statics(cls);
|
| - } else {
|
| - goog.defineClass.applyProperties_(cls, statics);
|
| - }
|
| - }
|
| -
|
| - return cls;
|
| -};
|
| -
|
| -
|
| -/**
|
| - * @typedef {
|
| - * !Object|
|
| - * {constructor:!Function}|
|
| - * {constructor:!Function, statics:(Object|function(Function):void)}}
|
| - * @suppress {missingProvide}
|
| - */
|
| -goog.defineClass.ClassDescriptor;
|
| -
|
| -
|
| -/**
|
| - * @define {boolean} Whether the instances returned by
|
| - * goog.defineClass should be sealed when possible.
|
| - */
|
| -goog.define('goog.defineClass.SEAL_CLASS_INSTANCES', goog.DEBUG);
|
| -
|
| -
|
| -/**
|
| - * If goog.defineClass.SEAL_CLASS_INSTANCES is enabled and Object.seal is
|
| - * defined, this function will wrap the constructor in a function that seals the
|
| - * results of the provided constructor function.
|
| - *
|
| - * @param {!Function} ctr The constructor whose results maybe be sealed.
|
| - * @param {Function} superClass The superclass constructor.
|
| - * @return {!Function} The replacement constructor.
|
| - * @private
|
| - */
|
| -goog.defineClass.createSealingConstructor_ = function(ctr, superClass) {
|
| - if (goog.defineClass.SEAL_CLASS_INSTANCES &&
|
| - Object.seal instanceof Function) {
|
| - // Don't seal subclasses of unsealable-tagged legacy classes.
|
| - if (superClass && superClass.prototype &&
|
| - superClass.prototype[goog.UNSEALABLE_CONSTRUCTOR_PROPERTY_]) {
|
| - return ctr;
|
| - }
|
| - /**
|
| - * @this {*}
|
| - * @return {?}
|
| - */
|
| - var wrappedCtr = function() {
|
| - // Don't seal an instance of a subclass when it calls the constructor of
|
| - // its super class as there is most likely still setup to do.
|
| - var instance = ctr.apply(this, arguments) || this;
|
| - instance[goog.UID_PROPERTY_] = instance[goog.UID_PROPERTY_];
|
| - if (this.constructor === wrappedCtr) {
|
| - Object.seal(instance);
|
| - }
|
| - return instance;
|
| - };
|
| - return wrappedCtr;
|
| - }
|
| - return ctr;
|
| -};
|
| -
|
| -
|
| -// TODO(johnlenz): share these values with the goog.object
|
| -/**
|
| - * The names of the fields that are defined on Object.prototype.
|
| - * @type {!Array<string>}
|
| - * @private
|
| - * @const
|
| - */
|
| -goog.defineClass.OBJECT_PROTOTYPE_FIELDS_ = [
|
| - 'constructor',
|
| - 'hasOwnProperty',
|
| - 'isPrototypeOf',
|
| - 'propertyIsEnumerable',
|
| - 'toLocaleString',
|
| - 'toString',
|
| - 'valueOf'
|
| -];
|
| -
|
| -
|
| -// TODO(johnlenz): share this function with the goog.object
|
| -/**
|
| - * @param {!Object} target The object to add properties to.
|
| - * @param {!Object} source The object to copy properties from.
|
| - * @private
|
| - */
|
| -goog.defineClass.applyProperties_ = function(target, source) {
|
| - // TODO(johnlenz): update this to support ES5 getters/setters
|
| -
|
| - var key;
|
| - for (key in source) {
|
| - if (Object.prototype.hasOwnProperty.call(source, key)) {
|
| - target[key] = source[key];
|
| - }
|
| - }
|
| -
|
| - // For IE the for-in-loop does not contain any properties that are not
|
| - // enumerable on the prototype object (for example isPrototypeOf from
|
| - // Object.prototype) and it will also not include 'replace' on objects that
|
| - // extend String and change 'replace' (not that it is common for anyone to
|
| - // extend anything except Object).
|
| - for (var i = 0; i < goog.defineClass.OBJECT_PROTOTYPE_FIELDS_.length; i++) {
|
| - key = goog.defineClass.OBJECT_PROTOTYPE_FIELDS_[i];
|
| - if (Object.prototype.hasOwnProperty.call(source, key)) {
|
| - target[key] = source[key];
|
| - }
|
| - }
|
| -};
|
| -
|
| -
|
| -/**
|
| - * Sealing classes breaks the older idiom of assigning properties on the
|
| - * prototype rather than in the constructor. As such, goog.defineClass
|
| - * must not seal subclasses of these old-style classes until they are fixed.
|
| - * Until then, this marks a class as "broken", instructing defineClass
|
| - * not to seal subclasses.
|
| - * @param {!Function} ctr The legacy constructor to tag as unsealable.
|
| - */
|
| -goog.tagUnsealableClass = function(ctr) {
|
| - if (!COMPILED && goog.defineClass.SEAL_CLASS_INSTANCES) {
|
| - ctr.prototype[goog.UNSEALABLE_CONSTRUCTOR_PROPERTY_] = true;
|
| - }
|
| -};
|
| -
|
| -
|
| -/**
|
| - * Name for unsealable tag property.
|
| - * @const @private {string}
|
| - */
|
| -goog.UNSEALABLE_CONSTRUCTOR_PROPERTY_ = 'goog_defineClass_legacy_unsealable';
|
|
|