| this.workbox = this.workbox || {}; |
| this.workbox.routing = (function (exports, assert_mjs, logger_mjs, cacheNames_mjs, WorkboxError_mjs, getFriendlyURL_mjs) { |
| 'use strict'; |
| |
| try { |
| self['workbox:routing:4.3.1'] && _(); |
| } catch (e) {} // eslint-disable-line |
| |
| /* |
| 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. |
| */ |
| /** |
| * The default HTTP method, 'GET', used when there's no specific method |
| * configured for a route. |
| * |
| * @type {string} |
| * |
| * @private |
| */ |
| |
| const defaultMethod = 'GET'; |
| /** |
| * The list of valid HTTP methods associated with requests that could be routed. |
| * |
| * @type {Array<string>} |
| * |
| * @private |
| */ |
| |
| const validMethods = ['DELETE', 'GET', 'HEAD', 'PATCH', 'POST', 'PUT']; |
| |
| /* |
| 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. |
| */ |
| /** |
| * @param {function()|Object} handler Either a function, or an object with a |
| * 'handle' method. |
| * @return {Object} An object with a handle method. |
| * |
| * @private |
| */ |
| |
| const normalizeHandler = handler => { |
| if (handler && typeof handler === 'object') { |
| { |
| assert_mjs.assert.hasMethod(handler, 'handle', { |
| moduleName: 'workbox-routing', |
| className: 'Route', |
| funcName: 'constructor', |
| paramName: 'handler' |
| }); |
| } |
| |
| return handler; |
| } else { |
| { |
| assert_mjs.assert.isType(handler, 'function', { |
| moduleName: 'workbox-routing', |
| className: 'Route', |
| funcName: 'constructor', |
| paramName: 'handler' |
| }); |
| } |
| |
| return { |
| handle: 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. |
| */ |
| /** |
| * A `Route` consists of a pair of callback functions, "match" and "handler". |
| * The "match" callback determine if a route should be used to "handle" a |
| * request by returning a non-falsy value if it can. The "handler" callback |
| * is called when there is a match and should return a Promise that resolves |
| * to a `Response`. |
| * |
| * @memberof workbox.routing |
| */ |
| |
| class Route { |
| /** |
| * Constructor for Route class. |
| * |
| * @param {workbox.routing.Route~matchCallback} match |
| * A callback function that determines whether the route matches a given |
| * `fetch` event by returning a non-falsy value. |
| * @param {workbox.routing.Route~handlerCallback} handler A callback |
| * function that returns a Promise resolving to a Response. |
| * @param {string} [method='GET'] The HTTP method to match the Route |
| * against. |
| */ |
| constructor(match, handler, method) { |
| { |
| assert_mjs.assert.isType(match, 'function', { |
| moduleName: 'workbox-routing', |
| className: 'Route', |
| funcName: 'constructor', |
| paramName: 'match' |
| }); |
| |
| if (method) { |
| assert_mjs.assert.isOneOf(method, validMethods, { |
| paramName: 'method' |
| }); |
| } |
| } // These values are referenced directly by Router so cannot be |
| // altered by minifification. |
| |
| |
| this.handler = normalizeHandler(handler); |
| this.match = match; |
| this.method = method || defaultMethod; |
| } |
| |
| } |
| |
| /* |
| 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. |
| */ |
| /** |
| * NavigationRoute makes it easy to create a [Route]{@link |
| * workbox.routing.Route} that matches for browser |
| * [navigation requests]{@link https://developers.google.com/web/fundamentals/primers/service-workers/high-performance-loading#first_what_are_navigation_requests}. |
| * |
| * It will only match incoming Requests whose |
| * [`mode`]{@link https://fetch.spec.whatwg.org/#concept-request-mode} |
| * is set to `navigate`. |
| * |
| * You can optionally only apply this route to a subset of navigation requests |
| * by using one or both of the `blacklist` and `whitelist` parameters. |
| * |
| * @memberof workbox.routing |
| * @extends workbox.routing.Route |
| */ |
| |
| class NavigationRoute extends Route { |
| /** |
| * If both `blacklist` and `whiltelist` are provided, the `blacklist` will |
| * take precedence and the request will not match this route. |
| * |
| * The regular expressions in `whitelist` and `blacklist` |
| * are matched against the concatenated |
| * [`pathname`]{@link https://developer.mozilla.org/en-US/docs/Web/API/HTMLHyperlinkElementUtils/pathname} |
| * and [`search`]{@link https://developer.mozilla.org/en-US/docs/Web/API/HTMLHyperlinkElementUtils/search} |
| * portions of the requested URL. |
| * |
| * @param {workbox.routing.Route~handlerCallback} handler A callback |
| * function that returns a Promise resulting in a Response. |
| * @param {Object} options |
| * @param {Array<RegExp>} [options.blacklist] If any of these patterns match, |
| * the route will not handle the request (even if a whitelist RegExp 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). |
| */ |
| constructor(handler, { |
| whitelist = [/./], |
| blacklist = [] |
| } = {}) { |
| { |
| assert_mjs.assert.isArrayOfClass(whitelist, RegExp, { |
| moduleName: 'workbox-routing', |
| className: 'NavigationRoute', |
| funcName: 'constructor', |
| paramName: 'options.whitelist' |
| }); |
| assert_mjs.assert.isArrayOfClass(blacklist, RegExp, { |
| moduleName: 'workbox-routing', |
| className: 'NavigationRoute', |
| funcName: 'constructor', |
| paramName: 'options.blacklist' |
| }); |
| } |
| |
| super(options => this._match(options), handler); |
| this._whitelist = whitelist; |
| this._blacklist = blacklist; |
| } |
| /** |
| * Routes match handler. |
| * |
| * @param {Object} options |
| * @param {URL} options.url |
| * @param {Request} options.request |
| * @return {boolean} |
| * |
| * @private |
| */ |
| |
| |
| _match({ |
| url, |
| request |
| }) { |
| if (request.mode !== 'navigate') { |
| return false; |
| } |
| |
| const pathnameAndSearch = url.pathname + url.search; |
| |
| for (const regExp of this._blacklist) { |
| if (regExp.test(pathnameAndSearch)) { |
| { |
| logger_mjs.logger.log(`The navigation route is not being used, since the ` + `URL matches this blacklist pattern: ${regExp}`); |
| } |
| |
| return false; |
| } |
| } |
| |
| if (this._whitelist.some(regExp => regExp.test(pathnameAndSearch))) { |
| { |
| logger_mjs.logger.debug(`The navigation route is being used.`); |
| } |
| |
| return true; |
| } |
| |
| { |
| logger_mjs.logger.log(`The navigation route is not being used, since the URL ` + `being navigated to doesn't match the whitelist.`); |
| } |
| |
| return false; |
| } |
| |
| } |
| |
| /* |
| 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. |
| */ |
| /** |
| * RegExpRoute makes it easy to create a regular expression based |
| * [Route]{@link workbox.routing.Route}. |
| * |
| * For same-origin requests the RegExp only needs to match part of the URL. For |
| * requests against third-party servers, you must define a RegExp that matches |
| * the start of the URL. |
| * |
| * [See the module docs for info.]{@link https://developers.google.com/web/tools/workbox/modules/workbox-routing} |
| * |
| * @memberof workbox.routing |
| * @extends workbox.routing.Route |
| */ |
| |
| class RegExpRoute extends Route { |
| /** |
| * If the regulard expression contains |
| * [capture groups]{@link https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp#grouping-back-references}, |
| * th ecaptured values will be passed to the |
| * [handler's]{@link workbox.routing.Route~handlerCallback} `params` |
| * argument. |
| * |
| * @param {RegExp} regExp The regular expression to match against URLs. |
| * @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. |
| */ |
| constructor(regExp, handler, method) { |
| { |
| assert_mjs.assert.isInstance(regExp, RegExp, { |
| moduleName: 'workbox-routing', |
| className: 'RegExpRoute', |
| funcName: 'constructor', |
| paramName: 'pattern' |
| }); |
| } |
| |
| const match = ({ |
| url |
| }) => { |
| const result = regExp.exec(url.href); // Return null immediately if there's no match. |
| |
| if (!result) { |
| return null; |
| } // Require that the match start at the first character in the URL string |
| // if it's a cross-origin request. |
| // See https://github.com/GoogleChrome/workbox/issues/281 for the context |
| // behind this behavior. |
| |
| |
| if (url.origin !== location.origin && result.index !== 0) { |
| { |
| 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.`); |
| } |
| |
| return null; |
| } // If the route matches, but there aren't any capture groups defined, then |
| // this will return [], which is truthy and therefore sufficient to |
| // indicate a match. |
| // If there are capture groups, then it will return their values. |
| |
| |
| return result.slice(1); |
| }; |
| |
| super(match, handler, method); |
| } |
| |
| } |
| |
| /* |
| 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. |
| */ |
| /** |
| * The Router can be used to process a FetchEvent through one or more |
| * [Routes]{@link workbox.routing.Route} responding with a Request if |
| * a matching route exists. |
| * |
| * If no route matches a given a request, the Router will use a "default" |
| * handler if one is defined. |
| * |
| * Should the matching Route throw an error, the Router will use a "catch" |
| * handler if one is defined to gracefully deal with issues and respond with a |
| * Request. |
| * |
| * If a request matches multiple routes, the **earliest** registered route will |
| * be used to respond to the request. |
| * |
| * @memberof workbox.routing |
| */ |
| |
| class Router { |
| /** |
| * Initializes a new Router. |
| */ |
| constructor() { |
| this._routes = new Map(); |
| } |
| /** |
| * @return {Map<string, Array<workbox.routing.Route>>} routes A `Map` of HTTP |
| * method name ('GET', etc.) to an array of all the corresponding `Route` |
| * instances that are registered. |
| */ |
| |
| |
| get routes() { |
| return this._routes; |
| } |
| /** |
| * Adds a fetch event listener to respond to events when a route matches |
| * the event's request. |
| */ |
| |
| |
| addFetchListener() { |
| self.addEventListener('fetch', event => { |
| const { |
| request |
| } = event; |
| const responsePromise = this.handleRequest({ |
| request, |
| event |
| }); |
| |
| if (responsePromise) { |
| event.respondWith(responsePromise); |
| } |
| }); |
| } |
| /** |
| * Adds a message event listener for URLs to cache from the window. |
| * This is useful to cache resources loaded on the page prior to when the |
| * service worker started controlling it. |
| * |
| * The format of the message data sent from the window should be as follows. |
| * Where the `urlsToCache` array may consist of URL strings or an array of |
| * URL string + `requestInit` object (the same as you'd pass to `fetch()`). |
| * |
| * ``` |
| * { |
| * type: 'CACHE_URLS', |
| * payload: { |
| * urlsToCache: [ |
| * './script1.js', |
| * './script2.js', |
| * ['./script3.js', {mode: 'no-cors'}], |
| * ], |
| * }, |
| * } |
| * ``` |
| */ |
| |
| |
| addCacheListener() { |
| self.addEventListener('message', async event => { |
| if (event.data && event.data.type === 'CACHE_URLS') { |
| const { |
| payload |
| } = event.data; |
| |
| { |
| logger_mjs.logger.debug(`Caching URLs from the window`, payload.urlsToCache); |
| } |
| |
| const requestPromises = Promise.all(payload.urlsToCache.map(entry => { |
| if (typeof entry === 'string') { |
| entry = [entry]; |
| } |
| |
| const request = new Request(...entry); |
| return this.handleRequest({ |
| request |
| }); |
| })); |
| event.waitUntil(requestPromises); // If a MessageChannel was used, reply to the message on success. |
| |
| if (event.ports && event.ports[0]) { |
| await requestPromises; |
| event.ports[0].postMessage(true); |
| } |
| } |
| }); |
| } |
| /** |
| * Apply the routing rules to a FetchEvent object to get a Response from an |
| * appropriate Route's handler. |
| * |
| * @param {Object} options |
| * @param {Request} options.request The request to handle (this is usually |
| * from a fetch event, but it does not have to be). |
| * @param {FetchEvent} [options.event] The event that triggered the request, |
| * if applicable. |
| * @return {Promise<Response>|undefined} A promise is returned if a |
| * registered route can handle the request. If there is no matching |
| * route and there's no `defaultHandler`, `undefined` is returned. |
| */ |
| |
| |
| handleRequest({ |
| request, |
| event |
| }) { |
| { |
| assert_mjs.assert.isInstance(request, Request, { |
| moduleName: 'workbox-routing', |
| className: 'Router', |
| funcName: 'handleRequest', |
| paramName: 'options.request' |
| }); |
| } |
| |
| const url = new URL(request.url, location); |
| |
| if (!url.protocol.startsWith('http')) { |
| { |
| logger_mjs.logger.debug(`Workbox Router only supports URLs that start with 'http'.`); |
| } |
| |
| return; |
| } |
| |
| let { |
| params, |
| route |
| } = this.findMatchingRoute({ |
| url, |
| request, |
| event |
| }); |
| let handler = route && route.handler; |
| let debugMessages = []; |
| |
| { |
| if (handler) { |
| debugMessages.push([`Found a route to handle this request:`, route]); |
| |
| if (params) { |
| debugMessages.push([`Passing the following params to the route's handler:`, params]); |
| } |
| } |
| } // If we don't have a handler because there was no matching route, then |
| // fall back to defaultHandler if that's defined. |
| |
| |
| if (!handler && this._defaultHandler) { |
| { |
| 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. |
| |
| route = '[Default Handler]'; |
| } |
| |
| handler = this._defaultHandler; |
| } |
| |
| if (!handler) { |
| { |
| // No handler so Workbox will do nothing. If logs is set of debug |
| // i.e. verbose, we should print out this information. |
| logger_mjs.logger.debug(`No route found for: ${getFriendlyURL_mjs.getFriendlyURL(url)}`); |
| } |
| |
| return; |
| } |
| |
| { |
| // We have a handler, meaning Workbox is going to handle the route. |
| // print the routing details to the console. |
| logger_mjs.logger.groupCollapsed(`Router is responding to: ${getFriendlyURL_mjs.getFriendlyURL(url)}`); |
| debugMessages.forEach(msg => { |
| if (Array.isArray(msg)) { |
| logger_mjs.logger.log(...msg); |
| } else { |
| logger_mjs.logger.log(msg); |
| } |
| }); // The Request and Response objects contains a great deal of information, |
| // hide it under a group in case developers want to see it. |
| |
| logger_mjs.logger.groupCollapsed(`View request details here.`); |
| logger_mjs.logger.log(request); |
| logger_mjs.logger.groupEnd(); |
| 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 |