Best JavaScript code snippet using wpt
sw.js
Source:sw.js
1const HTMLToCache = "/";2const version = "MSW V0.3";3self.addEventListener("install", event => {4 event.waitUntil(5 caches.open(version).then(cache => {6 cache.add(HTMLToCache).then(self.skipWaiting());7 })8 );9});10self.addEventListener("activate", event => {11 event.waitUntil(12 caches13 .keys()14 .then(cacheNames =>15 Promise.all(16 cacheNames.map(cacheName => {17 if (version !== cacheName) return caches.delete(cacheName);18 })19 )20 )21 .then(self.clients.claim())22 );23});24self.addEventListener("fetch", event => {25 const requestToFetch = event.request.clone();26 event.respondWith(27 caches.match(event.request.clone()).then(cached => {28 // We don't return cached HTML (except if fetch failed)29 if (cached) {30 const resourceType = cached.headers.get("content-type");31 // We only return non css/js/html cached response e.g images32 if (!hasHash(event.request.url) && !/text\/html/.test(resourceType)) {33 return cached;34 }35 // If the CSS/JS didn't change since it's been cached, return the cached version36 if (37 hasHash(event.request.url) &&38 hasSameHash(event.request.url, cached.url)39 ) {40 return cached;41 }42 }43 return fetch(requestToFetch)44 .then(response => {45 const clonedResponse = response.clone();46 const contentType = clonedResponse.headers.get("content-type");47 if (48 !clonedResponse ||49 clonedResponse.status !== 200 ||50 clonedResponse.type !== "basic" ||51 /\/sockjs\//.test(event.request.url)52 ) {53 return response;54 }55 if (/html/.test(contentType)) {56 caches57 .open(version)58 .then(cache => cache.put(HTMLToCache, clonedResponse));59 } else {60 // Delete old version of a file61 if (hasHash(event.request.url)) {62 caches.open(version).then(cache =>63 cache.keys().then(keys =>64 keys.forEach(asset => {65 if (66 new RegExp(removeHash(event.request.url)).test(67 removeHash(asset.url)68 )69 ) {70 cache.delete(asset);71 }72 })73 )74 );75 }76 caches77 .open(version)78 .then(cache => cache.put(event.request, clonedResponse));79 }80 return response;81 })82 .catch(() => {83 if (hasHash(event.request.url))84 return caches.match(event.request.url);85 // If the request URL hasn't been served from cache and isn't sockjs we suppose it's HTML86 else if (!/\/sockjs\//.test(event.request.url))87 return caches.match(HTMLToCache);88 // Only for sockjs89 return new Response("No connection to the server", {90 status: 503,91 statusText: "No connection to the server",92 headers: new Headers({ "Content-Type": "text/plain" })93 });94 });95 })96 );97});98function removeHash(element) {99 if (typeof element === "string") return element.split("?hash=")[0];100}101function hasHash(element) {102 if (typeof element === "string") return /\?hash=.*/.test(element);103}104function hasSameHash(firstUrl, secondUrl) {105 if (typeof firstUrl === "string" && typeof secondUrl === "string") {106 return /\?hash=(.*)/.exec(firstUrl)[1] === /\?hash=(.*)/.exec(secondUrl)[1];107 }108}109// Service worker created by Ilan Schemoul alias NitroBAY as a specific Service Worker for Meteor...
index.js
Source:index.js
1const HTMLToCache = '/';2const version = 'MSW V0.3';3self.addEventListener('install', (event) => {4 event.waitUntil(5 caches.open(version).then((cache) => {6 cache.add(HTMLToCache).then(self.skipWaiting());7 }),8 );9});10self.addEventListener('activate', (event) => {11 event.waitUntil(12 caches13 .keys()14 .then((cacheNames) =>15 Promise.all(16 cacheNames.map((cacheName) => {17 if (version !== cacheName) return caches.delete(cacheName);18 }),19 ),20 )21 .then(self.clients.claim()),22 );23});24self.addEventListener('fetch', (event) => {25 const requestToFetch = event.request.clone();26 event.respondWith(27 caches.match(event.request.clone()).then((cached) => {28 // We don't return cached HTML (except if fetch failed)29 if (cached) {30 const resourceType = cached.headers.get('content-type');31 // We only return non css/js/html cached response e.g images32 if (!hasHash(event.request.url) && !/text\/html/.test(resourceType)) {33 return cached;34 }35 // If the CSS/JS didn't change since it's been cached, return the cached version36 if (hasHash(event.request.url) && hasSameHash(event.request.url, cached.url)) {37 return cached;38 }39 }40 return fetch(requestToFetch)41 .then((response) => {42 const clonedResponse = response.clone();43 const contentType = clonedResponse.headers.get('content-type');44 if (45 !clonedResponse ||46 clonedResponse.status !== 200 ||47 clonedResponse.type !== 'basic' ||48 /\/sockjs\//.test(event.request.url)49 ) {50 return response;51 }52 if (/html/.test(contentType)) {53 caches.open(version).then((cache) => cache.put(HTMLToCache, clonedResponse));54 } else {55 // Delete old version of a file56 if (hasHash(event.request.url)) {57 caches.open(version).then((cache) =>58 cache.keys().then((keys) =>59 keys.forEach((asset) => {60 if (new RegExp(removeHash(event.request.url)).test(removeHash(asset.url))) {61 cache.delete(asset);62 }63 }),64 ),65 );66 }67 caches.open(version).then((cache) => cache.put(event.request, clonedResponse));68 }69 return response;70 })71 .catch(() => {72 if (hasHash(event.request.url)) return caches.match(event.request.url);73 // If the request URL hasn't been served from cache and isn't sockjs we suppose it's HTML74 else if (!/\/sockjs\//.test(event.request.url)) return caches.match(HTMLToCache);75 // Only for sockjs76 return new Response('No connection to the server', {77 status: 503,78 statusText: 'No connection to the server',79 headers: new Headers({ 'Content-Type': 'text/plain' }),80 });81 });82 }),83 );84});85function removeHash(element) {86 if (typeof element === 'string') return element.split('?hash=')[0];87}88function hasHash(element) {89 if (typeof element === 'string') return /\?hash=.*/.test(element);90}91function hasSameHash(firstUrl, secondUrl) {92 if (typeof firstUrl === 'string' && typeof secondUrl === 'string') {93 return /\?hash=(.*)/.exec(firstUrl)[1] === /\?hash=(.*)/.exec(secondUrl)[1];94 }95}96// Service worker created by Ilan Schemoul alias NitroBAY as a specific Service Worker for Meteor...
cleanRedirect.mjs
Source:cleanRedirect.mjs
1/*2 Copyright 2018 Google LLC3 Use of this source code is governed by an MIT-style4 license that can be found in the LICENSE file or at5 https://opensource.org/licenses/MIT.6*/7import '../_version.mjs';8/**9 * @param {Response} response10 * @return {Response}11 *12 * @private13 * @memberof module:workbox-precaching14 */15export async function cleanRedirect(response) {16 const clonedResponse = response.clone();17 // Not all browsers support the Response.body stream, so fall back18 // to reading the entire body into memory as a blob.19 const bodyPromise = 'body' in clonedResponse ?20 Promise.resolve(clonedResponse.body) :21 clonedResponse.blob();22 const body = await bodyPromise;23 // new Response() is happy when passed either a stream or a Blob.24 return new Response(body, {25 headers: clonedResponse.headers,26 status: clonedResponse.status,27 statusText: clonedResponse.statusText,28 });...
Using AI Code Generation
1var wpt = require('wpt');2var wpt = new WebPageTest('www.webpagetest.org');3var options = {4};5 if (err) return console.error(err);6 wpt.getTestResults(data.data.testId, function(err, data) {7 if (err) return console.error(err);8 console.log(JSON.stringify(data.data.runs[1].firstView, null, 2));9 });10});
Using AI Code Generation
1var response = require('wpt-response');2var clonedResponse = response.clonedResponse();3console.log(clonedResponse);4### response.jsonResponse()5var response = require('wpt-response');6var jsonResponse = response.jsonResponse();7console.log(jsonResponse);8### response.rawResponse()9var response = require('wpt-response');10var rawResponse = response.rawResponse();11console.log(rawResponse);12### response.statusCode()13var response = require('wpt-response');14var statusCode = response.statusCode();15console.log(statusCode);16### response.statusMessage()17var response = require('wpt-response');18var statusMessage = response.statusMessage();19console.log(statusMessage);20### response.headers()21var response = require('wpt-response');22var headers = response.headers();23console.log(headers);24### response.header(name)25var response = require('wpt-response');26var header = response.header('content-type');27console.log(header);28### response.trailers()29var response = require('wpt-response');30var trailers = response.trailers();31console.log(trailers);32### response.trailer(name)33var response = require('wpt-response');34var trailer = response.trailer('content-type');35console.log(trailer
Using AI Code Generation
1module.exports = function (wpt) {2 return {3 test: function (url, callback) {4 wpt.clonedResponse(url, function (err, data) {5 if (err) {6 console.log(err);7 } else {8 console.log(data);9 }10 });11 }12 };13};
Using AI Code Generation
1var wpt = require('webpagetest');2var options = {3};4var test = wpt(options);5test.runTest(testUrl, { location: 'Dulles:Chrome', firstViewOnly: true }, function(err, data) {6 if (err) return console.error(err);7 console.log('Test %s has been started. Check results at %s', data.data.testId, data.data.summary);8 test.getTestResults(data.data.testId, function(err, data) {9 if (err) return console.error(err);10 console.log(data.data.median.firstView.SpeedIndex);11 console.log(data.data.median.firstView.TTFB);12 console.log(data.data.median.firstView.render);13 console.log(data.data.median.firstView.fullyLoaded);14 console.log(data.data.median.firstView.docTime);15 console.log(data.data.median.firstView.loadTime);16 console.log(data.data.median.firstView.bytesIn);17 console.log(data.data.median.firstView.bytesOut);18 console.log(data.data.median.firstView.requests);19 console.log(data.data.median.firstView.requestsDoc);20 console.log(data.data.median.firstView.responses_200);21 console.log(data.data.median.firstView.responses_404);22 console.log(data.data.median.firstView.responses_other);23 console.log(data.data.median.firstView.result);24 console.log(data.data.median.firstView.testStartOffset);25 });26});
Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.
You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.
Get 100 minutes of automation test minutes FREE!!