924 lines
30 KiB
JavaScript
924 lines
30 KiB
JavaScript
this.workbox = this.workbox || {};
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this.workbox.routing = (function (exports, assert_js, logger_js, WorkboxError_js, getFriendlyURL_js) {
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'use strict';
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try {
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self['workbox:routing:5.1.4'] && _();
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} catch (e) {}
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/*
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Copyright 2018 Google LLC
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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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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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const validMethods = ['DELETE', 'GET', 'HEAD', 'PATCH', 'POST', 'PUT'];
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/*
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Copyright 2018 Google LLC
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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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const normalizeHandler = handler => {
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if (handler && typeof handler === 'object') {
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{
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assert_js.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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return handler;
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} else {
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{
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assert_js.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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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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Copyright 2018 Google LLC
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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 module:workbox-routing
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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 {module:workbox-routing~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 {module:workbox-routing~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 = defaultMethod) {
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{
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assert_js.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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if (method) {
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assert_js.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 minificaton.
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this.handler = normalizeHandler(handler);
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this.match = match;
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this.method = method;
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}
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}
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/*
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Copyright 2018 Google LLC
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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
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* [Route]{@link module: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 `denylist` and `allowlist` parameters.
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*
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* @memberof module:workbox-routing
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* @extends module:workbox-routing.Route
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*/
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class NavigationRoute extends Route {
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/**
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* If both `denylist` and `allowlist` are provided, the `denylist` 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 `allowlist` and `denylist`
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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 {module:workbox-routing~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.denylist] If any of these patterns match,
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* the route will not handle the request (even if a allowlist RegExp matches).
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* @param {Array<RegExp>} [options.allowlist=[/./]] 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 denylist doesn't match).
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*/
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constructor(handler, {
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allowlist = [/./],
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denylist = []
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} = {}) {
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{
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assert_js.assert.isArrayOfClass(allowlist, 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.allowlist'
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});
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assert_js.assert.isArrayOfClass(denylist, 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.denylist'
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});
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}
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super(options => this._match(options), handler);
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this._allowlist = allowlist;
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this._denylist = denylist;
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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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_match({
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url,
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request
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}) {
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if (request && request.mode !== 'navigate') {
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return false;
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}
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const pathnameAndSearch = url.pathname + url.search;
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for (const regExp of this._denylist) {
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if (regExp.test(pathnameAndSearch)) {
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{
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logger_js.logger.log(`The navigation route ${pathnameAndSearch} is not ` + `being used, since the URL matches this denylist pattern: ` + `${regExp}`);
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}
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return false;
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}
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}
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if (this._allowlist.some(regExp => regExp.test(pathnameAndSearch))) {
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{
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logger_js.logger.debug(`The navigation route ${pathnameAndSearch} ` + `is being used.`);
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}
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return true;
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}
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{
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logger_js.logger.log(`The navigation route ${pathnameAndSearch} is not ` + `being used, since the URL being navigated to doesn't ` + `match the allowlist.`);
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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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Copyright 2018 Google LLC
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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 module: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 module:workbox-routing
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* @extends module:workbox-routing.Route
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*/
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class RegExpRoute extends Route {
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/**
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* If the regular 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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* the captured values will be passed to the
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* [handler's]{@link module:workbox-routing~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 {module:workbox-routing~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_js.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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const match = ({
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url
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}) => {
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const result = regExp.exec(url.href); // Return immediately if there's no match.
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if (!result) {
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return;
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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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if (url.origin !== location.origin && result.index !== 0) {
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{
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logger_js.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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return;
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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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return result.slice(1);
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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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Copyright 2018 Google LLC
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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 module: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 module:workbox-routing
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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<module: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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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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addFetchListener() {
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// See https://github.com/Microsoft/TypeScript/issues/28357#issuecomment-436484705
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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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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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addCacheListener() {
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// See https://github.com/Microsoft/TypeScript/issues/28357#issuecomment-436484705
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self.addEventListener('message', 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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logger_js.logger.debug(`Caching URLs from the window`, payload.urlsToCache);
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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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const request = new Request(...entry);
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return this.handleRequest({
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request
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}); // TODO(philipwalton): TypeScript errors without this typecast for
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// some reason (probably a bug). The real type here should work but
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// doesn't: `Array<Promise<Response> | undefined>`.
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})); // TypeScript
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event.waitUntil(requestPromises); // If a MessageChannel was used, reply to the message on success.
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if (event.ports && event.ports[0]) {
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requestPromises.then(() => 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,
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* 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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handleRequest({
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request,
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event
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}) {
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{
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assert_js.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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const url = new URL(request.url, location.href);
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if (!url.protocol.startsWith('http')) {
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{
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logger_js.logger.debug(`Workbox Router only supports URLs that start with 'http'.`);
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}
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return;
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}
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const {
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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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const 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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}
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} // If we don't have a handler because there was no matching route, then
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// fall back to defaultHandler if that's defined.
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|
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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.`);
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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_js.logger.debug(`No route found for: ${getFriendlyURL_js.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_js.logger.groupCollapsed(`Router is responding to: ${getFriendlyURL_js.getFriendlyURL(url)}`);
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debugMessages.forEach(msg => {
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if (Array.isArray(msg)) {
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logger_js.logger.log(...msg);
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} else {
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logger_js.logger.log(msg);
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}
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});
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logger_js.logger.groupEnd();
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} // Wrap in try and catch in case the handle method throws a synchronous
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// error. It should still callback to the catch handler.
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|
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let responsePromise;
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try {
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responsePromise = handler.handle({
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url,
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request,
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event,
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params
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});
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} catch (err) {
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responsePromise = Promise.reject(err);
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}
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if (responsePromise instanceof Promise && this._catchHandler) {
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responsePromise = responsePromise.catch(err => {
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{
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// Still include URL here as it will be async from the console group
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// and may not make sense without the URL
|
|
logger_js.logger.groupCollapsed(`Error thrown when responding to: ` + ` ${getFriendlyURL_js.getFriendlyURL(url)}. Falling back to Catch Handler.`);
|
|
logger_js.logger.error(`Error thrown by:`, route);
|
|
logger_js.logger.error(err);
|
|
logger_js.logger.groupEnd();
|
|
}
|
|
|
|
return this._catchHandler.handle({
|
|
url,
|
|
request,
|
|
event
|
|
});
|
|
});
|
|
}
|
|
|
|
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 {Event} [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_js.assert.isInstance(url, URL, {
|
|
moduleName: 'workbox-routing',
|
|
className: 'Router',
|
|
funcName: 'findMatchingRoute',
|
|
paramName: 'options.url'
|
|
});
|
|
assert_js.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;
|
|
const matchResult = route.match({
|
|
url,
|
|
request,
|
|
event
|
|
});
|
|
|
|
if (matchResult) {
|
|
// See https://github.com/GoogleChrome/workbox/issues/2079
|
|
params = matchResult;
|
|
|
|
if (Array.isArray(matchResult) && matchResult.length === 0) {
|
|
// Instead of passing an empty array in as params, use undefined.
|
|
params = undefined;
|
|
} else if (matchResult.constructor === Object && Object.keys(matchResult).length === 0) {
|
|
// Instead of passing an empty object in as params, use undefined.
|
|
params = undefined;
|
|
} else if (typeof matchResult === 'boolean') {
|
|
// For the boolean value true (rather than just something truth-y),
|
|
// don't set params.
|
|
// See https://github.com/GoogleChrome/workbox/pull/2134#issuecomment-513924353
|
|
params = undefined;
|
|
} // 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 {module:workbox-routing~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 {module:workbox-routing~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 {module:workbox-routing.Route} route The route to register.
|
|
*/
|
|
|
|
|
|
registerRoute(route) {
|
|
{
|
|
assert_js.assert.isType(route, 'object', {
|
|
moduleName: 'workbox-routing',
|
|
className: 'Router',
|
|
funcName: 'registerRoute',
|
|
paramName: 'route'
|
|
});
|
|
assert_js.assert.hasMethod(route, 'match', {
|
|
moduleName: 'workbox-routing',
|
|
className: 'Router',
|
|
funcName: 'registerRoute',
|
|
paramName: 'route'
|
|
});
|
|
assert_js.assert.isType(route.handler, 'object', {
|
|
moduleName: 'workbox-routing',
|
|
className: 'Router',
|
|
funcName: 'registerRoute',
|
|
paramName: 'route'
|
|
});
|
|
assert_js.assert.hasMethod(route.handler, 'handle', {
|
|
moduleName: 'workbox-routing',
|
|
className: 'Router',
|
|
funcName: 'registerRoute',
|
|
paramName: 'route.handler'
|
|
});
|
|
assert_js.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 {module:workbox-routing.Route} route The route to unregister.
|
|
*/
|
|
|
|
|
|
unregisterRoute(route) {
|
|
if (!this._routes.has(route.method)) {
|
|
throw new WorkboxError_js.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_js.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.
|
|
*/
|
|
/**
|
|
* 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 [registerRoute()]{@link module:workbox-routing.Router#registerRoute}.
|
|
*
|
|
* @param {RegExp|string|module:workbox-routing.Route~matchCallback|module:workbox-routing.Route} capture
|
|
* If the capture param is a `Route`, all other arguments will be ignored.
|
|
* @param {module:workbox-routing~handlerCallback} [handler] A callback
|
|
* function that returns a Promise resulting in a Response. This parameter
|
|
* is required if `capture` is not a `Route` object.
|
|
* @param {string} [method='GET'] The HTTP method to match the Route
|
|
* against.
|
|
* @return {module:workbox-routing.Route} The generated `Route`(Useful for
|
|
* unregistering).
|
|
*
|
|
* @memberof module:workbox-routing
|
|
*/
|
|
|
|
function registerRoute(capture, handler, method) {
|
|
let route;
|
|
|
|
if (typeof capture === 'string') {
|
|
const captureUrl = new URL(capture, location.href);
|
|
|
|
{
|
|
if (!(capture.startsWith('/') || capture.startsWith('http'))) {
|
|
throw new WorkboxError_js.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 (new RegExp(`${wildcards}`).exec(valueToCheck)) {
|
|
logger_js.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_js.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;
|
|
}; // If `capture` is a string then `handler` and `method` must be present.
|
|
|
|
|
|
route = new Route(matchCallback, handler, method);
|
|
} else if (capture instanceof RegExp) {
|
|
// If `capture` is a `RegExp` then `handler` and `method` must be present.
|
|
route = new RegExpRoute(capture, handler, method);
|
|
} else if (typeof capture === 'function') {
|
|
// If `capture` is a function then `handler` and `method` must be present.
|
|
route = new Route(capture, handler, method);
|
|
} else if (capture instanceof Route) {
|
|
route = capture;
|
|
} else {
|
|
throw new WorkboxError_js.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 {module:workbox-routing~handlerCallback} handler A callback
|
|
* function that returns a Promise resulting in a Response.
|
|
*
|
|
* @memberof module:workbox-routing
|
|
*/
|
|
|
|
function 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 {module:workbox-routing~handlerCallback} handler A callback
|
|
* function that returns a Promise resulting in a Response.
|
|
*
|
|
* @memberof module:workbox-routing
|
|
*/
|
|
|
|
function setDefaultHandler(handler) {
|
|
const defaultRouter = getOrCreateDefaultRouter();
|
|
defaultRouter.setDefaultHandler(handler);
|
|
}
|
|
|
|
exports.NavigationRoute = NavigationRoute;
|
|
exports.RegExpRoute = RegExpRoute;
|
|
exports.Route = Route;
|
|
exports.Router = Router;
|
|
exports.registerRoute = registerRoute;
|
|
exports.setCatchHandler = setCatchHandler;
|
|
exports.setDefaultHandler = setDefaultHandler;
|
|
|
|
return exports;
|
|
|
|
}({}, workbox.core._private, workbox.core._private, workbox.core._private, workbox.core._private));
|
|
|