this.workbox = this.workbox || {}; this.workbox.googleAnalytics = (function (exports, BackgroundSyncPlugin_js, cacheNames_js, getFriendlyURL_js, logger_js, Route_js, Router_js, NetworkFirst_js, NetworkOnly_js) { 'use strict'; try { self['workbox:google-analytics:6.5.3'] && _(); } catch (e) {} /* 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. */ const QUEUE_NAME = 'workbox-google-analytics'; const MAX_RETENTION_TIME = 60 * 48; // Two days in minutes const GOOGLE_ANALYTICS_HOST = 'www.google-analytics.com'; const GTM_HOST = 'www.googletagmanager.com'; const ANALYTICS_JS_PATH = '/analytics.js'; const GTAG_JS_PATH = '/gtag/js'; const GTM_JS_PATH = '/gtm.js'; // endpoints. Most of the time the default path (/collect) is used, but // occasionally an experimental endpoint is used when testing new features, // (e.g. /r/collect or /j/collect) const COLLECT_PATHS_REGEX = /^\/(\w+\/)?collect/; /* 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. */ /** * Creates the requestWillDequeue callback to be used with the background * sync plugin. The callback takes the failed request and adds the * `qt` param based on the current time, as well as applies any other * user-defined hit modifications. * * @param {Object} config See {@link workbox-google-analytics.initialize}. * @return {Function} The requestWillDequeue callback function. * * @private */ const createOnSyncCallback = config => { return async ({ queue }) => { let entry; while (entry = await queue.shiftRequest()) { const { request, timestamp } = entry; const url = new URL(request.url); try { // Measurement protocol requests can set their payload parameters in // either the URL query string (for GET requests) or the POST body. const params = request.method === 'POST' ? new URLSearchParams(await request.clone().text()) : url.searchParams; // Calculate the qt param, accounting for the fact that an existing // qt param may be present and should be updated rather than replaced. const originalHitTime = timestamp - (Number(params.get('qt')) || 0); const queueTime = Date.now() - originalHitTime; // Set the qt param prior to applying hitFilter or parameterOverrides. params.set('qt', String(queueTime)); // Apply `parameterOverrides`, if set. if (config.parameterOverrides) { for (const param of Object.keys(config.parameterOverrides)) { const value = config.parameterOverrides[param]; params.set(param, value); } } // Apply `hitFilter`, if set. if (typeof config.hitFilter === 'function') { config.hitFilter.call(null, params); } // Retry the fetch. Ignore URL search params from the URL as they're // now in the post body. await fetch(new Request(url.origin + url.pathname, { body: params.toString(), method: 'POST', mode: 'cors', credentials: 'omit', headers: { 'Content-Type': 'text/plain' } })); if ("dev" !== 'production') { logger_js.logger.log(`Request for '${getFriendlyURL_js.getFriendlyURL(url.href)}' ` + `has been replayed`); } } catch (err) { await queue.unshiftRequest(entry); { logger_js.logger.log(`Request for '${getFriendlyURL_js.getFriendlyURL(url.href)}' ` + `failed to replay, putting it back in the queue.`); } throw err; } } { logger_js.logger.log(`All Google Analytics request successfully replayed; ` + `the queue is now empty!`); } }; }; /** * Creates GET and POST routes to catch failed Measurement Protocol hits. * * @param {BackgroundSyncPlugin} bgSyncPlugin * @return {Array} The created routes. * * @private */ const createCollectRoutes = bgSyncPlugin => { const match = ({ url }) => url.hostname === GOOGLE_ANALYTICS_HOST && COLLECT_PATHS_REGEX.test(url.pathname); const handler = new NetworkOnly_js.NetworkOnly({ plugins: [bgSyncPlugin] }); return [new Route_js.Route(match, handler, 'GET'), new Route_js.Route(match, handler, 'POST')]; }; /** * Creates a route with a network first strategy for the analytics.js script. * * @param {string} cacheName * @return {Route} The created route. * * @private */ const createAnalyticsJsRoute = cacheName => { const match = ({ url }) => url.hostname === GOOGLE_ANALYTICS_HOST && url.pathname === ANALYTICS_JS_PATH; const handler = new NetworkFirst_js.NetworkFirst({ cacheName }); return new Route_js.Route(match, handler, 'GET'); }; /** * Creates a route with a network first strategy for the gtag.js script. * * @param {string} cacheName * @return {Route} The created route. * * @private */ const createGtagJsRoute = cacheName => { const match = ({ url }) => url.hostname === GTM_HOST && url.pathname === GTAG_JS_PATH; const handler = new NetworkFirst_js.NetworkFirst({ cacheName }); return new Route_js.Route(match, handler, 'GET'); }; /** * Creates a route with a network first strategy for the gtm.js script. * * @param {string} cacheName * @return {Route} The created route. * * @private */ const createGtmJsRoute = cacheName => { const match = ({ url }) => url.hostname === GTM_HOST && url.pathname === GTM_JS_PATH; const handler = new NetworkFirst_js.NetworkFirst({ cacheName }); return new Route_js.Route(match, handler, 'GET'); }; /** * @param {Object=} [options] * @param {Object} [options.cacheName] The cache name to store and retrieve * analytics.js. Defaults to the cache names provided by `workbox-core`. * @param {Object} [options.parameterOverrides] * [Measurement Protocol parameters](https://developers.google.com/analytics/devguides/collection/protocol/v1/parameters), * expressed as key/value pairs, to be added to replayed Google Analytics * requests. This can be used to, e.g., set a custom dimension indicating * that the request was replayed. * @param {Function} [options.hitFilter] A function that allows you to modify * the hit parameters prior to replaying * the hit. The function is invoked with the original hit's URLSearchParams * object as its only argument. * * @memberof workbox-google-analytics */ const initialize = (options = {}) => { const cacheName = cacheNames_js.cacheNames.getGoogleAnalyticsName(options.cacheName); const bgSyncPlugin = new BackgroundSyncPlugin_js.BackgroundSyncPlugin(QUEUE_NAME, { maxRetentionTime: MAX_RETENTION_TIME, onSync: createOnSyncCallback(options) }); const routes = [createGtmJsRoute(cacheName), createAnalyticsJsRoute(cacheName), createGtagJsRoute(cacheName), ...createCollectRoutes(bgSyncPlugin)]; const router = new Router_js.Router(); for (const route of routes) { router.registerRoute(route); } router.addFetchListener(); }; exports.initialize = initialize; return exports; }({}, workbox.backgroundSync, workbox.core._private, workbox.core._private, workbox.core._private, workbox.routing, workbox.routing, workbox.strategies, workbox.strategies)); //# sourceMappingURL=workbox-offline-ga.dev.js.map