From f1998c321a4eec6d75b58d84aa8610971bf21979 Mon Sep 17 00:00:00 2001 From: Brian Picciano Date: Sat, 31 Jul 2021 11:35:39 -0600 Subject: move static files into static sub-dir, refactor nix a bit --- static/src/assets/viz/1/goog/base.js | 2727 ++++++++++++++++++++++++++++++++++ 1 file changed, 2727 insertions(+) create mode 100644 static/src/assets/viz/1/goog/base.js (limited to 'static/src/assets/viz/1/goog/base.js') diff --git a/static/src/assets/viz/1/goog/base.js b/static/src/assets/viz/1/goog/base.js new file mode 100644 index 0000000..97a9947 --- /dev/null +++ b/static/src/assets/viz/1/goog/base.js @@ -0,0 +1,2727 @@ +// 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( + '