61 lines
2.1 KiB
JavaScript
61 lines
2.1 KiB
JavaScript
/*
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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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import { assert } from 'workbox-core/_private/assert.js';
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import { defaultMethod, validMethods } from './utils/constants.js';
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import { normalizeHandler } from './utils/normalizeHandler.js';
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import './_version.js';
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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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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~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~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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if (process.env.NODE_ENV !== 'production') {
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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.isOneOf(method, validMethods, { 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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* @param {workbox-routing-handlerCallback} handler A callback
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* function that returns a Promise resolving to a Response
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*/
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setCatchHandler(handler) {
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this.catchHandler = normalizeHandler(handler);
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}
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}
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export { Route };
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