GoScrobble/web/node_modules/workbox-routing/NavigationRoute.js

/*
  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 };