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- /*
- 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.
- */
- import { assert } from 'workbox-core/_private/assert.js';
- import { logger } from 'workbox-core/_private/logger.js';
- import { Route } from './Route.js';
- import './_version.js';
- /**
- * NavigationRoute makes it easy to create a
- * [Route]{@link module: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 `denylist` and `allowlist` parameters.
- *
- * @memberof module:workbox-routing
- * @extends module:workbox-routing.Route
- */
- class NavigationRoute extends Route {
- /**
- * If both `denylist` and `allowlist` are provided, the `denylist` will
- * take precedence and the request will not match this route.
- *
- * The regular expressions in `allowlist` and `denylist`
- * 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 {module:workbox-routing~handlerCallback} handler A callback
- * function that returns a Promise resulting in a Response.
- * @param {Object} options
- * @param {Array<RegExp>} [options.denylist] If any of these patterns match,
- * the route will not handle the request (even if a allowlist RegExp matches).
- * @param {Array<RegExp>} [options.allowlist=[/./]] If any of these patterns
- * match the URL's pathname and search parameter, the route will handle the
- * request (assuming the denylist doesn't match).
- */
- constructor(handler, { allowlist = [/./], denylist = [] } = {}) {
- if (process.env.NODE_ENV !== 'production') {
- assert.isArrayOfClass(allowlist, RegExp, {
- moduleName: 'workbox-routing',
- className: 'NavigationRoute',
- funcName: 'constructor',
- paramName: 'options.allowlist',
- });
- assert.isArrayOfClass(denylist, RegExp, {
- moduleName: 'workbox-routing',
- className: 'NavigationRoute',
- funcName: 'constructor',
- paramName: 'options.denylist',
- });
- }
- super((options) => this._match(options), handler);
- this._allowlist = allowlist;
- this._denylist = denylist;
- }
- /**
- * Routes match handler.
- *
- * @param {Object} options
- * @param {URL} options.url
- * @param {Request} options.request
- * @return {boolean}
- *
- * @private
- */
- _match({ url, request }) {
- if (request && request.mode !== 'navigate') {
- return false;
- }
- const pathnameAndSearch = url.pathname + url.search;
- for (const regExp of this._denylist) {
- if (regExp.test(pathnameAndSearch)) {
- if (process.env.NODE_ENV !== 'production') {
- logger.log(`The navigation route ${pathnameAndSearch} is not ` +
- `being used, since the URL matches this denylist pattern: ` +
- `${regExp}`);
- }
- return false;
- }
- }
- if (this._allowlist.some((regExp) => regExp.test(pathnameAndSearch))) {
- if (process.env.NODE_ENV !== 'production') {
- logger.debug(`The navigation route ${pathnameAndSearch} ` +
- `is being used.`);
- }
- return true;
- }
- if (process.env.NODE_ENV !== 'production') {
- logger.log(`The navigation route ${pathnameAndSearch} is not ` +
- `being used, since the URL being navigated to doesn't ` +
- `match the allowlist.`);
- }
- return false;
- }
- }
- export { NavigationRoute };
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