+
+
+
diff --git a/osm/v4.1.0-dist/ol-debug.js b/osm/v4.1.0-dist/ol-debug.js
new file mode 100644
index 0000000..7e0dfd1
--- /dev/null
+++ b/osm/v4.1.0-dist/ol-debug.js
@@ -0,0 +1,92034 @@
+// OpenLayers. See https://openlayers.org/
+// License: https://raw.githubusercontent.com/openlayers/openlayers/master/LICENSE.md
+// Version: v4.1.0
+;(function (root, factory) {
+ if (typeof exports === "object") {
+ module.exports = factory();
+ } else if (typeof define === "function" && define.amd) {
+ define([], factory);
+ } else {
+ root.ol = factory();
+ }
+}(this, function () {
+ var OPENLAYERS = {};
+ var goog = this.goog = {};
+this.CLOSURE_NO_DEPS = true;
+// 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.
+ *
+ * Avoid including base.js more than once. This is strictly discouraged and not
+ * supported. goog.require(...) won't work properly in that case.
+ *
+ * @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] && Object.prototype.hasOwnProperty.call(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.
+ * @return {void}
+ */
+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. Note, ' +
+ 'modules cannot be loaded as normal scripts. They require some kind of ' +
+ 'pre-processing step. You\'re likely trying to load a module via a ' +
+ 'script tag or as a part of a concatenated bundle without rewriting the ' +
+ 'module. For more info see: ' +
+ 'https://github.com/google/closure-library/wiki/goog.module:-an-ES6-module-like-alternative-to-goog.provide.');
+ }
+ 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 (name in goog.loadedModules_) {
+ return goog.loadedModules_[name];
+ } else if (!goog.implicitNamespaces_[name]) {
+ var ns = goog.getObjectByName(name);
+ return ns != null ? ns : null;
+ }
+ }
+ 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.
+ *
+ * Before using goog.forwardDeclare, please read the documentation at
+ * https://github.com/google/closure-compiler/wiki/Bad-Type-Annotation to
+ * understand the options and tradeoffs when working with forward declarations.
+ *
+ * @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 if (goog.ENABLE_DEBUG_LOADER) {
+ var path = goog.getPathFromDeps_(name);
+ if (path) {
+ goog.writeScripts_(path);
+ } else {
+ var errorMessage = 'goog.require could not find: ' + name;
+ goog.logToConsole_(errorMessage);
+
+ throw Error(errorMessage);
+ }
+ }
+
+ return null;
+ }
+};
+
+
+/**
+ * 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) {
+ // instance_ is immediately set to prevent issues with sealed constructors
+ // such as are encountered when a constructor is returned as the export object
+ // of a goog.module in unoptimized code.
+ ctor.instance_ = undefined;
+ 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] || {};
+ var languageLevel = loadFlags['lang'] || 'es3';
+ if (path && (loadFlags['module'] == 'goog' ||
+ goog.needsTranspile_(languageLevel))) {
+ 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);
+ };
+
+
+ /**
+ * 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(
+ '
