1021 lines
		
	
	
		
			32 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
			
		
		
	
	
			1021 lines
		
	
	
		
			32 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
| this.workbox = this.workbox || {};
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| this.workbox.routing = (function (exports, assert_mjs, logger_mjs, cacheNames_mjs, WorkboxError_mjs, getFriendlyURL_mjs) {
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|   'use strict';
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| 
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|   try {
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|     self['workbox:routing:4.3.1'] && _();
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|   } catch (e) {} // eslint-disable-line
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| 
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|   /*
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|     Copyright 2018 Google LLC
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| 
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|     Use of this source code is governed by an MIT-style
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|     license that can be found in the LICENSE file or at
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|     https://opensource.org/licenses/MIT.
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|   */
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|   /**
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|    * The default HTTP method, 'GET', used when there's no specific method
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|    * configured for a route.
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|    *
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|    * @type {string}
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|    *
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|    * @private
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|    */
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| 
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|   const defaultMethod = 'GET';
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|   /**
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|    * The list of valid HTTP methods associated with requests that could be routed.
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|    *
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|    * @type {Array<string>}
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|    *
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|    * @private
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|    */
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| 
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|   const validMethods = ['DELETE', 'GET', 'HEAD', 'PATCH', 'POST', 'PUT'];
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| 
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|   /*
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|     Copyright 2018 Google LLC
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| 
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|     Use of this source code is governed by an MIT-style
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|     license that can be found in the LICENSE file or at
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|     https://opensource.org/licenses/MIT.
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|   */
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|   /**
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|    * @param {function()|Object} handler Either a function, or an object with a
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|    * 'handle' method.
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|    * @return {Object} An object with a handle method.
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|    *
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|    * @private
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|    */
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| 
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|   const normalizeHandler = handler => {
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|     if (handler && typeof handler === 'object') {
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|       {
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|         assert_mjs.assert.hasMethod(handler, 'handle', {
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|           moduleName: 'workbox-routing',
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|           className: 'Route',
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|           funcName: 'constructor',
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|           paramName: 'handler'
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|         });
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|       }
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| 
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|       return handler;
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|     } else {
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|       {
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|         assert_mjs.assert.isType(handler, 'function', {
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|           moduleName: 'workbox-routing',
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|           className: 'Route',
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|           funcName: 'constructor',
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|           paramName: 'handler'
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|         });
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|       }
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| 
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|       return {
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|         handle: handler
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|       };
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|     }
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|   };
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| 
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|   /*
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|     Copyright 2018 Google LLC
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| 
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|     Use of this source code is governed by an MIT-style
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|     license that can be found in the LICENSE file or at
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|     https://opensource.org/licenses/MIT.
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|   */
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|   /**
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|    * A `Route` consists of a pair of callback functions, "match" and "handler".
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|    * The "match" callback determine if a route should be used to "handle" a
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|    * request by returning a non-falsy value if it can. The "handler" callback
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|    * is called when there is a match and should return a Promise that resolves
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|    * to a `Response`.
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|    *
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|    * @memberof workbox.routing
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|    */
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| 
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|   class Route {
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|     /**
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|      * Constructor for Route class.
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|      *
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|      * @param {workbox.routing.Route~matchCallback} match
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|      * A callback function that determines whether the route matches a given
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|      * `fetch` event by returning a non-falsy value.
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|      * @param {workbox.routing.Route~handlerCallback} handler A callback
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|      * function that returns a Promise resolving to a Response.
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|      * @param {string} [method='GET'] The HTTP method to match the Route
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|      * against.
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|      */
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|     constructor(match, handler, method) {
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|       {
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|         assert_mjs.assert.isType(match, 'function', {
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|           moduleName: 'workbox-routing',
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|           className: 'Route',
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|           funcName: 'constructor',
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|           paramName: 'match'
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|         });
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| 
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|         if (method) {
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|           assert_mjs.assert.isOneOf(method, validMethods, {
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|             paramName: 'method'
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|           });
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|         }
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|       } // These values are referenced directly by Router so cannot be
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|       // altered by minifification.
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| 
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| 
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|       this.handler = normalizeHandler(handler);
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|       this.match = match;
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|       this.method = method || defaultMethod;
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|     }
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| 
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|   }
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| 
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|   /*
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|     Copyright 2018 Google LLC
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| 
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|     Use of this source code is governed by an MIT-style
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|     license that can be found in the LICENSE file or at
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|     https://opensource.org/licenses/MIT.
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|   */
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|   /**
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|    * NavigationRoute makes it easy to create a [Route]{@link
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|    * workbox.routing.Route} that matches for browser
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|    * [navigation requests]{@link https://developers.google.com/web/fundamentals/primers/service-workers/high-performance-loading#first_what_are_navigation_requests}.
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|    *
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|    * It will only match incoming Requests whose
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|    * [`mode`]{@link https://fetch.spec.whatwg.org/#concept-request-mode}
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|    * is set to `navigate`.
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|    *
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|    * You can optionally only apply this route to a subset of navigation requests
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|    * by using one or both of the `blacklist` and `whitelist` parameters.
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|    *
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|    * @memberof workbox.routing
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|    * @extends workbox.routing.Route
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|    */
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| 
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|   class NavigationRoute extends Route {
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|     /**
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|      * If both `blacklist` and `whiltelist` are provided, the `blacklist` will
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|      * take precedence and the request will not match this route.
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|      *
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|      * The regular expressions in `whitelist` and `blacklist`
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|      * are matched against the concatenated
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|      * [`pathname`]{@link https://developer.mozilla.org/en-US/docs/Web/API/HTMLHyperlinkElementUtils/pathname}
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|      * and [`search`]{@link https://developer.mozilla.org/en-US/docs/Web/API/HTMLHyperlinkElementUtils/search}
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|      * portions of the requested URL.
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|      *
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|      * @param {workbox.routing.Route~handlerCallback} handler A callback
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|      * function that returns a Promise resulting in a Response.
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|      * @param {Object} options
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|      * @param {Array<RegExp>} [options.blacklist] If any of these patterns match,
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|      * the route will not handle the request (even if a whitelist RegExp matches).
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|      * @param {Array<RegExp>} [options.whitelist=[/./]] If any of these patterns
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|      * match the URL's pathname and search parameter, the route will handle the
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|      * request (assuming the blacklist doesn't match).
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|      */
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|     constructor(handler, {
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|       whitelist = [/./],
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|       blacklist = []
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|     } = {}) {
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|       {
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|         assert_mjs.assert.isArrayOfClass(whitelist, RegExp, {
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|           moduleName: 'workbox-routing',
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|           className: 'NavigationRoute',
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|           funcName: 'constructor',
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|           paramName: 'options.whitelist'
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|         });
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|         assert_mjs.assert.isArrayOfClass(blacklist, RegExp, {
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|           moduleName: 'workbox-routing',
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|           className: 'NavigationRoute',
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|           funcName: 'constructor',
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|           paramName: 'options.blacklist'
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|         });
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|       }
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| 
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|       super(options => this._match(options), handler);
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|       this._whitelist = whitelist;
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|       this._blacklist = blacklist;
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|     }
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|     /**
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|      * Routes match handler.
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|      *
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|      * @param {Object} options
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|      * @param {URL} options.url
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|      * @param {Request} options.request
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|      * @return {boolean}
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|      *
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|      * @private
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|      */
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| 
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| 
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|     _match({
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|       url,
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|       request
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|     }) {
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|       if (request.mode !== 'navigate') {
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|         return false;
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|       }
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| 
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|       const pathnameAndSearch = url.pathname + url.search;
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| 
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|       for (const regExp of this._blacklist) {
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|         if (regExp.test(pathnameAndSearch)) {
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|           {
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|             logger_mjs.logger.log(`The navigation route is not being used, since the ` + `URL matches this blacklist pattern: ${regExp}`);
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|           }
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| 
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|           return false;
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|         }
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|       }
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| 
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|       if (this._whitelist.some(regExp => regExp.test(pathnameAndSearch))) {
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|         {
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|           logger_mjs.logger.debug(`The navigation route is being used.`);
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|         }
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| 
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|         return true;
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|       }
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| 
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|       {
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|         logger_mjs.logger.log(`The navigation route is not being used, since the URL ` + `being navigated to doesn't match the whitelist.`);
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|       }
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| 
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|       return false;
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|     }
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| 
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|   }
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| 
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|   /*
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|     Copyright 2018 Google LLC
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| 
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|     Use of this source code is governed by an MIT-style
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|     license that can be found in the LICENSE file or at
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|     https://opensource.org/licenses/MIT.
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|   */
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|   /**
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|    * RegExpRoute makes it easy to create a regular expression based
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|    * [Route]{@link workbox.routing.Route}.
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|    *
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|    * For same-origin requests the RegExp only needs to match part of the URL. For
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|    * requests against third-party servers, you must define a RegExp that matches
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|    * the start of the URL.
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|    *
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|    * [See the module docs for info.]{@link https://developers.google.com/web/tools/workbox/modules/workbox-routing}
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|    *
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|    * @memberof workbox.routing
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|    * @extends workbox.routing.Route
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|    */
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| 
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|   class RegExpRoute extends Route {
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|     /**
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|      * If the regulard expression contains
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|      * [capture groups]{@link https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp#grouping-back-references},
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|      * th ecaptured values will be passed to the
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|      * [handler's]{@link workbox.routing.Route~handlerCallback} `params`
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|      * argument.
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|      *
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|      * @param {RegExp} regExp The regular expression to match against URLs.
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|      * @param {workbox.routing.Route~handlerCallback} handler A callback
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|      * function that returns a Promise resulting in a Response.
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|      * @param {string} [method='GET'] The HTTP method to match the Route
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|      * against.
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|      */
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|     constructor(regExp, handler, method) {
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|       {
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|         assert_mjs.assert.isInstance(regExp, RegExp, {
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|           moduleName: 'workbox-routing',
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|           className: 'RegExpRoute',
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|           funcName: 'constructor',
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|           paramName: 'pattern'
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|         });
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|       }
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| 
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|       const match = ({
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|         url
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|       }) => {
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|         const result = regExp.exec(url.href); // Return null immediately if there's no match.
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| 
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|         if (!result) {
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|           return null;
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|         } // Require that the match start at the first character in the URL string
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|         // if it's a cross-origin request.
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|         // See https://github.com/GoogleChrome/workbox/issues/281 for the context
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|         // behind this behavior.
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| 
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| 
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|         if (url.origin !== location.origin && result.index !== 0) {
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|           {
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|             logger_mjs.logger.debug(`The regular expression '${regExp}' only partially matched ` + `against the cross-origin URL '${url}'. RegExpRoute's will only ` + `handle cross-origin requests if they match the entire URL.`);
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|           }
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| 
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|           return null;
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|         } // If the route matches, but there aren't any capture groups defined, then
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|         // this will return [], which is truthy and therefore sufficient to
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|         // indicate a match.
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|         // If there are capture groups, then it will return their values.
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| 
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| 
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|         return result.slice(1);
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|       };
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| 
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|       super(match, handler, method);
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|     }
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| 
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|   }
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| 
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|   /*
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|     Copyright 2018 Google LLC
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| 
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|     Use of this source code is governed by an MIT-style
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|     license that can be found in the LICENSE file or at
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|     https://opensource.org/licenses/MIT.
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|   */
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|   /**
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|    * The Router can be used to process a FetchEvent through one or more
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|    * [Routes]{@link workbox.routing.Route} responding  with a Request if
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|    * a matching route exists.
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|    *
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|    * If no route matches a given a request, the Router will use a "default"
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|    * handler if one is defined.
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|    *
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|    * Should the matching Route throw an error, the Router will use a "catch"
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|    * handler if one is defined to gracefully deal with issues and respond with a
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|    * Request.
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|    *
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|    * If a request matches multiple routes, the **earliest** registered route will
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|    * be used to respond to the request.
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|    *
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|    * @memberof workbox.routing
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|    */
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| 
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|   class Router {
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|     /**
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|      * Initializes a new Router.
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|      */
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|     constructor() {
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|       this._routes = new Map();
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|     }
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|     /**
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|      * @return {Map<string, Array<workbox.routing.Route>>} routes A `Map` of HTTP
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|      * method name ('GET', etc.) to an array of all the corresponding `Route`
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|      * instances that are registered.
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|      */
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| 
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| 
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|     get routes() {
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|       return this._routes;
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|     }
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|     /**
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|      * Adds a fetch event listener to respond to events when a route matches
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|      * the event's request.
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|      */
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| 
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| 
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|     addFetchListener() {
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|       self.addEventListener('fetch', event => {
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|         const {
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|           request
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|         } = event;
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|         const responsePromise = this.handleRequest({
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|           request,
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|           event
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|         });
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| 
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|         if (responsePromise) {
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|           event.respondWith(responsePromise);
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|         }
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|       });
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|     }
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|     /**
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|      * Adds a message event listener for URLs to cache from the window.
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|      * This is useful to cache resources loaded on the page prior to when the
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|      * service worker started controlling it.
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|      *
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|      * The format of the message data sent from the window should be as follows.
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|      * Where the `urlsToCache` array may consist of URL strings or an array of
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|      * URL string + `requestInit` object (the same as you'd pass to `fetch()`).
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|      *
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|      * ```
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|      * {
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|      *   type: 'CACHE_URLS',
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|      *   payload: {
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|      *     urlsToCache: [
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|      *       './script1.js',
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|      *       './script2.js',
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|      *       ['./script3.js', {mode: 'no-cors'}],
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|      *     ],
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|      *   },
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|      * }
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|      * ```
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|      */
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| 
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| 
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|     addCacheListener() {
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|       self.addEventListener('message', async event => {
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|         if (event.data && event.data.type === 'CACHE_URLS') {
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|           const {
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|             payload
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|           } = event.data;
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| 
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|           {
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|             logger_mjs.logger.debug(`Caching URLs from the window`, payload.urlsToCache);
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|           }
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| 
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|           const requestPromises = Promise.all(payload.urlsToCache.map(entry => {
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|             if (typeof entry === 'string') {
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|               entry = [entry];
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|             }
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| 
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|             const request = new Request(...entry);
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|             return this.handleRequest({
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|               request
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|             });
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|           }));
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|           event.waitUntil(requestPromises); // If a MessageChannel was used, reply to the message on success.
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| 
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|           if (event.ports && event.ports[0]) {
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|             await requestPromises;
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|             event.ports[0].postMessage(true);
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|           }
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|         }
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|       });
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|     }
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|     /**
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|      * Apply the routing rules to a FetchEvent object to get a Response from an
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|      * appropriate Route's handler.
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|      *
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|      * @param {Object} options
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|      * @param {Request} options.request The request to handle (this is usually
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|      *     from a fetch event, but it does not have to be).
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|      * @param {FetchEvent} [options.event] The event that triggered the request,
 | |
|      *     if applicable.
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|      * @return {Promise<Response>|undefined} A promise is returned if a
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|      *     registered route can handle the request. If there is no matching
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|      *     route and there's no `defaultHandler`, `undefined` is returned.
 | |
|      */
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| 
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| 
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|     handleRequest({
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|       request,
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|       event
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|     }) {
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|       {
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|         assert_mjs.assert.isInstance(request, Request, {
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|           moduleName: 'workbox-routing',
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|           className: 'Router',
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|           funcName: 'handleRequest',
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|           paramName: 'options.request'
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|         });
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|       }
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| 
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|       const url = new URL(request.url, location);
 | |
| 
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|       if (!url.protocol.startsWith('http')) {
 | |
|         {
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|           logger_mjs.logger.debug(`Workbox Router only supports URLs that start with 'http'.`);
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|         }
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| 
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|         return;
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|       }
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| 
 | |
|       let {
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|         params,
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|         route
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|       } = this.findMatchingRoute({
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|         url,
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|         request,
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|         event
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|       });
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|       let handler = route && route.handler;
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|       let debugMessages = [];
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| 
 | |
|       {
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|         if (handler) {
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|           debugMessages.push([`Found a route to handle this request:`, route]);
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| 
 | |
|           if (params) {
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|             debugMessages.push([`Passing the following params to the route's handler:`, params]);
 | |
|           }
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|         }
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|       } // If we don't have a handler because there was no matching route, then
 | |
|       // fall back to defaultHandler if that's defined.
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| 
 | |
| 
 | |
|       if (!handler && this._defaultHandler) {
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|         {
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|           debugMessages.push(`Failed to find a matching route. Falling ` + `back to the default handler.`); // This is used for debugging in logs in the case of an error.
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| 
 | |
|           route = '[Default Handler]';
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|         }
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| 
 | |
|         handler = this._defaultHandler;
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|       }
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| 
 | |
|       if (!handler) {
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|         {
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|           // No handler so Workbox will do nothing. If logs is set of debug
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|           // i.e. verbose, we should print out this information.
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|           logger_mjs.logger.debug(`No route found for: ${getFriendlyURL_mjs.getFriendlyURL(url)}`);
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|         }
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| 
 | |
|         return;
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|       }
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| 
 | |
|       {
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|         // We have a handler, meaning Workbox is going to handle the route.
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|         // print the routing details to the console.
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|         logger_mjs.logger.groupCollapsed(`Router is responding to: ${getFriendlyURL_mjs.getFriendlyURL(url)}`);
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|         debugMessages.forEach(msg => {
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|           if (Array.isArray(msg)) {
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|             logger_mjs.logger.log(...msg);
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|           } else {
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|             logger_mjs.logger.log(msg);
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|           }
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|         }); // The Request and Response objects contains a great deal of information,
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|         // hide it under a group in case developers want to see it.
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| 
 | |
|         logger_mjs.logger.groupCollapsed(`View request details here.`);
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|         logger_mjs.logger.log(request);
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|         logger_mjs.logger.groupEnd();
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|         logger_mjs.logger.groupEnd();
 | |
|       } // Wrap in try and catch in case the handle method throws a synchronous
 | |
|       // error. It should still callback to the catch handler.
 | |
| 
 | |
| 
 | |
|       let responsePromise;
 | |
| 
 | |
|       try {
 | |
|         responsePromise = handler.handle({
 | |
|           url,
 | |
|           request,
 | |
|           event,
 | |
|           params
 | |
|         });
 | |
|       } catch (err) {
 | |
|         responsePromise = Promise.reject(err);
 | |
|       }
 | |
| 
 | |
|       if (responsePromise && this._catchHandler) {
 | |
|         responsePromise = responsePromise.catch(err => {
 | |
|           {
 | |
|             // Still include URL here as it will be async from the console group
 | |
|             // and may not make sense without the URL
 | |
|             logger_mjs.logger.groupCollapsed(`Error thrown when responding to: ` + ` ${getFriendlyURL_mjs.getFriendlyURL(url)}. Falling back to Catch Handler.`);
 | |
|             logger_mjs.logger.error(`Error thrown by:`, route);
 | |
|             logger_mjs.logger.error(err);
 | |
|             logger_mjs.logger.groupEnd();
 | |
|           }
 | |
| 
 | |
|           return this._catchHandler.handle({
 | |
|             url,
 | |
|             event,
 | |
|             err
 | |
|           });
 | |
|         });
 | |
|       }
 | |
| 
 | |
|       return responsePromise;
 | |
|     }
 | |
|     /**
 | |
|      * Checks a request and URL (and optionally an event) against the list of
 | |
|      * registered routes, and if there's a match, returns the corresponding
 | |
|      * route along with any params generated by the match.
 | |
|      *
 | |
|      * @param {Object} options
 | |
|      * @param {URL} options.url
 | |
|      * @param {Request} options.request The request to match.
 | |
|      * @param {FetchEvent} [options.event] The corresponding event (unless N/A).
 | |
|      * @return {Object} An object with `route` and `params` properties.
 | |
|      *     They are populated if a matching route was found or `undefined`
 | |
|      *     otherwise.
 | |
|      */
 | |
| 
 | |
| 
 | |
|     findMatchingRoute({
 | |
|       url,
 | |
|       request,
 | |
|       event
 | |
|     }) {
 | |
|       {
 | |
|         assert_mjs.assert.isInstance(url, URL, {
 | |
|           moduleName: 'workbox-routing',
 | |
|           className: 'Router',
 | |
|           funcName: 'findMatchingRoute',
 | |
|           paramName: 'options.url'
 | |
|         });
 | |
|         assert_mjs.assert.isInstance(request, Request, {
 | |
|           moduleName: 'workbox-routing',
 | |
|           className: 'Router',
 | |
|           funcName: 'findMatchingRoute',
 | |
|           paramName: 'options.request'
 | |
|         });
 | |
|       }
 | |
| 
 | |
|       const routes = this._routes.get(request.method) || [];
 | |
| 
 | |
|       for (const route of routes) {
 | |
|         let params;
 | |
|         let matchResult = route.match({
 | |
|           url,
 | |
|           request,
 | |
|           event
 | |
|         });
 | |
| 
 | |
|         if (matchResult) {
 | |
|           if (Array.isArray(matchResult) && matchResult.length > 0) {
 | |
|             // Instead of passing an empty array in as params, use undefined.
 | |
|             params = matchResult;
 | |
|           } else if (matchResult.constructor === Object && Object.keys(matchResult).length > 0) {
 | |
|             // Instead of passing an empty object in as params, use undefined.
 | |
|             params = matchResult;
 | |
|           } // Return early if have a match.
 | |
| 
 | |
| 
 | |
|           return {
 | |
|             route,
 | |
|             params
 | |
|           };
 | |
|         }
 | |
|       } // If no match was found above, return and empty object.
 | |
| 
 | |
| 
 | |
|       return {};
 | |
|     }
 | |
|     /**
 | |
|      * Define a default `handler` that's called when no routes explicitly
 | |
|      * match the incoming request.
 | |
|      *
 | |
|      * Without a default handler, unmatched requests will go against the
 | |
|      * network as if there were no service worker present.
 | |
|      *
 | |
|      * @param {workbox.routing.Route~handlerCallback} handler A callback
 | |
|      * function that returns a Promise resulting in a Response.
 | |
|      */
 | |
| 
 | |
| 
 | |
|     setDefaultHandler(handler) {
 | |
|       this._defaultHandler = normalizeHandler(handler);
 | |
|     }
 | |
|     /**
 | |
|      * If a Route throws an error while handling a request, this `handler`
 | |
|      * will be called and given a chance to provide a response.
 | |
|      *
 | |
|      * @param {workbox.routing.Route~handlerCallback} handler A callback
 | |
|      * function that returns a Promise resulting in a Response.
 | |
|      */
 | |
| 
 | |
| 
 | |
|     setCatchHandler(handler) {
 | |
|       this._catchHandler = normalizeHandler(handler);
 | |
|     }
 | |
|     /**
 | |
|      * Registers a route with the router.
 | |
|      *
 | |
|      * @param {workbox.routing.Route} route The route to register.
 | |
|      */
 | |
| 
 | |
| 
 | |
|     registerRoute(route) {
 | |
|       {
 | |
|         assert_mjs.assert.isType(route, 'object', {
 | |
|           moduleName: 'workbox-routing',
 | |
|           className: 'Router',
 | |
|           funcName: 'registerRoute',
 | |
|           paramName: 'route'
 | |
|         });
 | |
|         assert_mjs.assert.hasMethod(route, 'match', {
 | |
|           moduleName: 'workbox-routing',
 | |
|           className: 'Router',
 | |
|           funcName: 'registerRoute',
 | |
|           paramName: 'route'
 | |
|         });
 | |
|         assert_mjs.assert.isType(route.handler, 'object', {
 | |
|           moduleName: 'workbox-routing',
 | |
|           className: 'Router',
 | |
|           funcName: 'registerRoute',
 | |
|           paramName: 'route'
 | |
|         });
 | |
|         assert_mjs.assert.hasMethod(route.handler, 'handle', {
 | |
|           moduleName: 'workbox-routing',
 | |
|           className: 'Router',
 | |
|           funcName: 'registerRoute',
 | |
|           paramName: 'route.handler'
 | |
|         });
 | |
|         assert_mjs.assert.isType(route.method, 'string', {
 | |
|           moduleName: 'workbox-routing',
 | |
|           className: 'Router',
 | |
|           funcName: 'registerRoute',
 | |
|           paramName: 'route.method'
 | |
|         });
 | |
|       }
 | |
| 
 | |
|       if (!this._routes.has(route.method)) {
 | |
|         this._routes.set(route.method, []);
 | |
|       } // Give precedence to all of the earlier routes by adding this additional
 | |
|       // route to the end of the array.
 | |
| 
 | |
| 
 | |
|       this._routes.get(route.method).push(route);
 | |
|     }
 | |
|     /**
 | |
|      * Unregisters a route with the router.
 | |
|      *
 | |
|      * @param {workbox.routing.Route} route The route to unregister.
 | |
|      */
 | |
| 
 | |
| 
 | |
|     unregisterRoute(route) {
 | |
|       if (!this._routes.has(route.method)) {
 | |
|         throw new WorkboxError_mjs.WorkboxError('unregister-route-but-not-found-with-method', {
 | |
|           method: route.method
 | |
|         });
 | |
|       }
 | |
| 
 | |
|       const routeIndex = this._routes.get(route.method).indexOf(route);
 | |
| 
 | |
|       if (routeIndex > -1) {
 | |
|         this._routes.get(route.method).splice(routeIndex, 1);
 | |
|       } else {
 | |
|         throw new WorkboxError_mjs.WorkboxError('unregister-route-route-not-registered');
 | |
|       }
 | |
|     }
 | |
| 
 | |
|   }
 | |
| 
 | |
|   /*
 | |
|     Copyright 2019 Google LLC
 | |
| 
 | |
|     Use of this source code is governed by an MIT-style
 | |
|     license that can be found in the LICENSE file or at
 | |
|     https://opensource.org/licenses/MIT.
 | |
|   */
 | |
|   let defaultRouter;
 | |
|   /**
 | |
|    * Creates a new, singleton Router instance if one does not exist. If one
 | |
|    * does already exist, that instance is returned.
 | |
|    *
 | |
|    * @private
 | |
|    * @return {Router}
 | |
|    */
 | |
| 
 | |
|   const getOrCreateDefaultRouter = () => {
 | |
|     if (!defaultRouter) {
 | |
|       defaultRouter = new Router(); // The helpers that use the default Router assume these listeners exist.
 | |
| 
 | |
|       defaultRouter.addFetchListener();
 | |
|       defaultRouter.addCacheListener();
 | |
|     }
 | |
| 
 | |
|     return defaultRouter;
 | |
|   };
 | |
| 
 | |
|   /*
 | |
|     Copyright 2019 Google LLC
 | |
| 
 | |
|     Use of this source code is governed by an MIT-style
 | |
|     license that can be found in the LICENSE file or at
 | |
|     https://opensource.org/licenses/MIT.
 | |
|   */
 | |
|   /**
 | |
|    * Registers a route that will return a precached file for a navigation
 | |
|    * request. This is useful for the
 | |
|    * [application shell pattern]{@link https://developers.google.com/web/fundamentals/architecture/app-shell}.
 | |
|    *
 | |
|    * When determining the URL of the precached HTML document, you will likely need
 | |
|    * to call `workbox.precaching.getCacheKeyForURL(originalUrl)`, to account for
 | |
|    * the fact that Workbox's precaching naming conventions often results in URL
 | |
|    * cache keys that contain extra revisioning info.
 | |
|    *
 | |
|    * This method will generate a
 | |
|    * [NavigationRoute]{@link workbox.routing.NavigationRoute}
 | |
|    * and call
 | |
|    * [Router.registerRoute()]{@link workbox.routing.Router#registerRoute} on a
 | |
|    * singleton Router instance.
 | |
|    *
 | |
|    * @param {string} cachedAssetUrl The cache key to use for the HTML file.
 | |
|    * @param {Object} [options]
 | |
|    * @param {string} [options.cacheName] Cache name to store and retrieve
 | |
|    * requests. Defaults to precache cache name provided by
 | |
|    * [workbox-core.cacheNames]{@link workbox.core.cacheNames}.
 | |
|    * @param {Array<RegExp>} [options.blacklist=[]] If any of these patterns
 | |
|    * match, the route will not handle the request (even if a whitelist entry
 | |
|    * matches).
 | |
|    * @param {Array<RegExp>} [options.whitelist=[/./]] If any of these patterns
 | |
|    * match the URL's pathname and search parameter, the route will handle the
 | |
|    * request (assuming the blacklist doesn't match).
 | |
|    * @return {workbox.routing.NavigationRoute} Returns the generated
 | |
|    * Route.
 | |
|    *
 | |
|    * @alias workbox.routing.registerNavigationRoute
 | |
|    */
 | |
| 
 | |
|   const registerNavigationRoute = (cachedAssetUrl, options = {}) => {
 | |
|     {
 | |
|       assert_mjs.assert.isType(cachedAssetUrl, 'string', {
 | |
|         moduleName: 'workbox-routing',
 | |
|         funcName: 'registerNavigationRoute',
 | |
|         paramName: 'cachedAssetUrl'
 | |
|       });
 | |
|     }
 | |
| 
 | |
|     const cacheName = cacheNames_mjs.cacheNames.getPrecacheName(options.cacheName);
 | |
| 
 | |
|     const handler = async () => {
 | |
|       try {
 | |
|         const response = await caches.match(cachedAssetUrl, {
 | |
|           cacheName
 | |
|         });
 | |
| 
 | |
|         if (response) {
 | |
|           return response;
 | |
|         } // This shouldn't normally happen, but there are edge cases:
 | |
|         // https://github.com/GoogleChrome/workbox/issues/1441
 | |
| 
 | |
| 
 | |
|         throw new Error(`The cache ${cacheName} did not have an entry for ` + `${cachedAssetUrl}.`);
 | |
|       } catch (error) {
 | |
|         // If there's either a cache miss, or the caches.match() call threw
 | |
|         // an exception, then attempt to fulfill the navigation request with
 | |
|         // a response from the network rather than leaving the user with a
 | |
|         // failed navigation.
 | |
|         {
 | |
|           logger_mjs.logger.debug(`Unable to respond to navigation request with ` + `cached response. Falling back to network.`, error);
 | |
|         } // This might still fail if the browser is offline...
 | |
| 
 | |
| 
 | |
|         return fetch(cachedAssetUrl);
 | |
|       }
 | |
|     };
 | |
| 
 | |
|     const route = new NavigationRoute(handler, {
 | |
|       whitelist: options.whitelist,
 | |
|       blacklist: options.blacklist
 | |
|     });
 | |
|     const defaultRouter = getOrCreateDefaultRouter();
 | |
|     defaultRouter.registerRoute(route);
 | |
|     return route;
 | |
|   };
 | |
| 
 | |
|   /*
 | |
|     Copyright 2019 Google LLC
 | |
| 
 | |
|     Use of this source code is governed by an MIT-style
 | |
|     license that can be found in the LICENSE file or at
 | |
|     https://opensource.org/licenses/MIT.
 | |
|   */
 | |
|   /**
 | |
|    * Easily register a RegExp, string, or function with a caching
 | |
|    * strategy to a singleton Router instance.
 | |
|    *
 | |
|    * This method will generate a Route for you if needed and
 | |
|    * call [Router.registerRoute()]{@link
 | |
|    * workbox.routing.Router#registerRoute}.
 | |
|    *
 | |
|    * @param {
 | |
|    * RegExp|
 | |
|    * string|
 | |
|    * workbox.routing.Route~matchCallback|
 | |
|    * workbox.routing.Route
 | |
|    * } capture
 | |
|    * If the capture param is a `Route`, all other arguments will be ignored.
 | |
|    * @param {workbox.routing.Route~handlerCallback} handler A callback
 | |
|    * function that returns a Promise resulting in a Response.
 | |
|    * @param {string} [method='GET'] The HTTP method to match the Route
 | |
|    * against.
 | |
|    * @return {workbox.routing.Route} The generated `Route`(Useful for
 | |
|    * unregistering).
 | |
|    *
 | |
|    * @alias workbox.routing.registerRoute
 | |
|    */
 | |
| 
 | |
|   const registerRoute = (capture, handler, method = 'GET') => {
 | |
|     let route;
 | |
| 
 | |
|     if (typeof capture === 'string') {
 | |
|       const captureUrl = new URL(capture, location);
 | |
| 
 | |
|       {
 | |
|         if (!(capture.startsWith('/') || capture.startsWith('http'))) {
 | |
|           throw new WorkboxError_mjs.WorkboxError('invalid-string', {
 | |
|             moduleName: 'workbox-routing',
 | |
|             funcName: 'registerRoute',
 | |
|             paramName: 'capture'
 | |
|           });
 | |
|         } // We want to check if Express-style wildcards are in the pathname only.
 | |
|         // TODO: Remove this log message in v4.
 | |
| 
 | |
| 
 | |
|         const valueToCheck = capture.startsWith('http') ? captureUrl.pathname : capture; // See https://github.com/pillarjs/path-to-regexp#parameters
 | |
| 
 | |
|         const wildcards = '[*:?+]';
 | |
| 
 | |
|         if (valueToCheck.match(new RegExp(`${wildcards}`))) {
 | |
|           logger_mjs.logger.debug(`The '$capture' parameter contains an Express-style wildcard ` + `character (${wildcards}). Strings are now always interpreted as ` + `exact matches; use a RegExp for partial or wildcard matches.`);
 | |
|         }
 | |
|       }
 | |
| 
 | |
|       const matchCallback = ({
 | |
|         url
 | |
|       }) => {
 | |
|         {
 | |
|           if (url.pathname === captureUrl.pathname && url.origin !== captureUrl.origin) {
 | |
|             logger_mjs.logger.debug(`${capture} only partially matches the cross-origin URL ` + `${url}. This route will only handle cross-origin requests ` + `if they match the entire URL.`);
 | |
|           }
 | |
|         }
 | |
| 
 | |
|         return url.href === captureUrl.href;
 | |
|       };
 | |
| 
 | |
|       route = new Route(matchCallback, handler, method);
 | |
|     } else if (capture instanceof RegExp) {
 | |
|       route = new RegExpRoute(capture, handler, method);
 | |
|     } else if (typeof capture === 'function') {
 | |
|       route = new Route(capture, handler, method);
 | |
|     } else if (capture instanceof Route) {
 | |
|       route = capture;
 | |
|     } else {
 | |
|       throw new WorkboxError_mjs.WorkboxError('unsupported-route-type', {
 | |
|         moduleName: 'workbox-routing',
 | |
|         funcName: 'registerRoute',
 | |
|         paramName: 'capture'
 | |
|       });
 | |
|     }
 | |
| 
 | |
|     const defaultRouter = getOrCreateDefaultRouter();
 | |
|     defaultRouter.registerRoute(route);
 | |
|     return route;
 | |
|   };
 | |
| 
 | |
|   /*
 | |
|     Copyright 2019 Google LLC
 | |
| 
 | |
|     Use of this source code is governed by an MIT-style
 | |
|     license that can be found in the LICENSE file or at
 | |
|     https://opensource.org/licenses/MIT.
 | |
|   */
 | |
|   /**
 | |
|    * If a Route throws an error while handling a request, this `handler`
 | |
|    * will be called and given a chance to provide a response.
 | |
|    *
 | |
|    * @param {workbox.routing.Route~handlerCallback} handler A callback
 | |
|    * function that returns a Promise resulting in a Response.
 | |
|    *
 | |
|    * @alias workbox.routing.setCatchHandler
 | |
|    */
 | |
| 
 | |
|   const setCatchHandler = handler => {
 | |
|     const defaultRouter = getOrCreateDefaultRouter();
 | |
|     defaultRouter.setCatchHandler(handler);
 | |
|   };
 | |
| 
 | |
|   /*
 | |
|     Copyright 2019 Google LLC
 | |
| 
 | |
|     Use of this source code is governed by an MIT-style
 | |
|     license that can be found in the LICENSE file or at
 | |
|     https://opensource.org/licenses/MIT.
 | |
|   */
 | |
|   /**
 | |
|    * Define a default `handler` that's called when no routes explicitly
 | |
|    * match the incoming request.
 | |
|    *
 | |
|    * Without a default handler, unmatched requests will go against the
 | |
|    * network as if there were no service worker present.
 | |
|    *
 | |
|    * @param {workbox.routing.Route~handlerCallback} handler A callback
 | |
|    * function that returns a Promise resulting in a Response.
 | |
|    *
 | |
|    * @alias workbox.routing.setDefaultHandler
 | |
|    */
 | |
| 
 | |
|   const setDefaultHandler = handler => {
 | |
|     const defaultRouter = getOrCreateDefaultRouter();
 | |
|     defaultRouter.setDefaultHandler(handler);
 | |
|   };
 | |
| 
 | |
|   /*
 | |
|     Copyright 2018 Google LLC
 | |
| 
 | |
|     Use of this source code is governed by an MIT-style
 | |
|     license that can be found in the LICENSE file or at
 | |
|     https://opensource.org/licenses/MIT.
 | |
|   */
 | |
| 
 | |
|   {
 | |
|     assert_mjs.assert.isSWEnv('workbox-routing');
 | |
|   }
 | |
| 
 | |
|   exports.NavigationRoute = NavigationRoute;
 | |
|   exports.RegExpRoute = RegExpRoute;
 | |
|   exports.registerNavigationRoute = registerNavigationRoute;
 | |
|   exports.registerRoute = registerRoute;
 | |
|   exports.Route = Route;
 | |
|   exports.Router = Router;
 | |
|   exports.setCatchHandler = setCatchHandler;
 | |
|   exports.setDefaultHandler = setDefaultHandler;
 | |
| 
 | |
|   return exports;
 | |
| 
 | |
| }({}, workbox.core._private, workbox.core._private, workbox.core._private, workbox.core._private, workbox.core._private));
 | |
| //# sourceMappingURL=workbox-routing.dev.js.map
 |