How to use createDevServer method in Cypress

Best JavaScript code snippet using cypress

background.js

Source: background.js Github

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...49})50/​/​ This method will be called when Electron has finished51/​/​ initialization and is ready to create browser windows.52/​/​ Some APIs can only be used after this event occurs.53async function createDevServer() {54 const route = __dirname + '/​../​backend/​corpora/​manage.py'55 console.log(route)56 const backendServer = await spawn('python3', [route, 'runserver'])57 return backendServer58}59async function createProductionServer() {60 /​/​ first attempt below.. to be continued..61 /​/​ const route = __dirname + '/​manage/​manage'62 /​/​ const backendServer = await execFile(route)63 /​/​ return backendServer64}65app.on('ready', async () => {66 if (isDevelopment && !process.env.IS_TEST) {67 /​/​ Install Vue Devtools68 try {69 await installVueDevtools()70 } catch (e) {71 console.error('Vue Devtools failed to install:', e.toString())72 }73 }74 process.env.NODE_ENV === 'production'75 ? createProductionServer()76 .then(res => {77 console.log('success prod')78 createWindow()79 })80 .catch(res => {81 console.log('failure prod')82 createProductionServer()83 })84 : createDevServer()85 .then(res => {86 console.log('success dev')87 createWindow()88 })89 .catch(res => {90 console.log('failure dev')91 createDevServer()92 })93})94/​/​ Exit cleanly on request from parent process in development mode.95if (isDevelopment) {96 if (process.platform === 'win32') {97 process.on('message', data => {98 if (data === 'graceful-exit') {99 app.quit()100 }101 })102 } else {103 process.on('SIGTERM', () => {104 app.quit()105 })...

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gulpfile.babel.js

Source: gulpfile.babel.js Github

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...8gulp.task('build', shell.task(`9 webpack ${FLAGS}10`));11gulp.task('serve', done => {12 createDevServer().listen('3030', '0.0.0.0', () => {13 open('http:/​/​0.0.0.0:3030/​bindings/​angular2/​examples/​button.html');14 done();15 });16});17 18gulp.task('test', ['e2e-test']);19gulp.task('e2e-test', done => {20 const server = createDevServer({quiet: true});21 server.listen(9090, '0.0.0.0', () => {22 runProtractor().then(code => {23 server.close();24 server.listeningApp.close();25 if (code !== 0) {26 process.exit(code);27 }28 done();29 });30 });31});32function createDevServer(options = {}) {33 const config = require('./​webpack.config.js');34 const serverConfig = Object.assign(options, {35 publicPath: config.output.publicPath,36 stats: {colors: true}37 }, config.devServer);38 const server = new WebpackDevServer(require('webpack')(config), serverConfig);39 return server;40}41function runProtractor() {42 const args = ['protractor-conf.js'];43 if (yargs.argv.specs) {44 args.push('--specs');45 args.push(yargs.argv.specs);46 }...

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generate.js

Source: generate.js Github

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...10const createRedirects = require("./​seo/​createRedirects");11const createPwaFiles = require("./​pwa/​createPwaFiles");12const serveApp = paths => {13 const app$ = createApp(paths)().share();14 const devServer$ = createDevServer(paths)(app$);15 return devServer$;16};17const generate = paths => {18 const app$ = createApp(paths)().share();19 const stats$ = createBundles(paths)(app$);20 return stats$21 .withLatestFrom(app$, (stats, app) => ({ stats, app }))22 .flatMap(({ stats, app }) => {23 return reduceObservable(24 (acc, result) => {},25 null,26 Observable.merge(27 createStaticHtml(paths)(Observable.of(app), Observable.of(stats)),28 createPublic(paths)(),...

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webpack.server.js

Source: webpack.server.js Github

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2var webpack = require('webpack');3var config = require("./​webpack.config.docs.js");4var WebpackDevServer = require('webpack-dev-server');5var OpenBrowserPlugin = require('open-browser-webpack-plugin');6(function createDevServer() {7 var port = parseInt(Math.random() * 10000 + 8000)8 var server = net.createServer();9 server.listen({10 port: port11 }, function () {12 server.close()13 const host = "localhost"14 config.entry.index.unshift("webpack-dev-server/​client?http:/​/​"+host+':'+port);15 config.plugins.push(new OpenBrowserPlugin({url: 'http:/​/​'+host+':'+port}));16 var webpackDevServer = new WebpackDevServer(webpack(config), {17 contentBase: 'build/​docs',18 });19 webpackDevServer.listen(port, host);20 console.log('opening webpack-dev-server(http:/​/​'+host+':'+port+')...')21 })22 server.on('error', function(err){23 if(err.code=='EADDRINUSE'){24 createDevServer()25 }else{26 console.log(err)27 }28 })...

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dev.js

Source: dev.js Github

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...5module.exports = async function dev() {6 process.chdir(srcDir);7 global.LAYER0_NEXT_APP = next({ dev: true });8 process.chdir(cwd);9 return createDevServer({10 label: 'Next',11 command: (port) => `npm start -- --port=${port}`,12 ready: [/​on http:\/​\/​localhost:3001/​i],13 });...

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config-overrides.js

Source: config-overrides.js Github

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...3 /​/​do stuff with the webpack config...4 devServer: function (configFunction, env) {5 return function (proxy, allowedHost) {6 const webserverConfig = configFunction(proxy, allowedHost);7 webserverConfig.setup = createDevServer({});8 return webserverConfig;9 };10 },...

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watch.js

Source: watch.js Github

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1/​* ------------------------------------------2 Watch3--------------------------------------------- */​4const createDevServer = require('../​build/​createDevServer');5createDevServer()6 .catch(() => {7 process.exit(1);...

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index.ts

Source: index.ts Github

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1#! /​usr/​bin/​env node2import createDevServer from '@start-dev/​core';3createDevServer({4 appDirectory: process.cwd(),5 portNumber: 3001,...

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Using AI Code Generation

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1const { createDevServer } = require('@cypress/​vite-dev-server')2module.exports = (on, config) => {3 on('dev-server:start', async (options) => {4 return createDevServer({ options, viteConfig: require('./​vite.config.js') })5 })6}7{8 "devServer": {9 "env": {10 }11 }12}13describe('My First Test', () => {14 it('Visits the app root url', () => {15 cy.visit('/​')16 cy.contains('h1', 'Hello world!')17 })18})19import { defineConfig } from 'vite'20import vue from '@vitejs/​plugin-vue'21export default defineConfig({22 plugins: [vue()]23})24{25 "scripts": {26 },27 "devDependencies": {28 }29}

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Using AI Code Generation

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1const { createDevServer } = require('@cypress/​vite-dev-server')2module.exports = (on, config) => {3 on('dev-server:start', (options) => {4 return createDevServer({ options })5 })6}7const { createDevServer } = require('@cypress/​vite-dev-server')8module.exports = (on, config) => {9 on('dev-server:start', (options) => {10 return createDevServer({ options })11 })12}13{14 "component": {15 "testFiles": "**/​*.spec.{js,jsx,ts,tsx}"16 },17 "devServer": {18 "env": {19 }20 }21}22describe('My First Test', () => {23 it('Visits the app root url', () => {24 cy.visit('/​')25 cy.contains('h1', 'Welcome to Your Vue.js + TypeScript App')26 })27})28describe('My Second Test', () => {29 it('Visits the app root url', () => {30 cy.visit('/​')31 cy.contains('h1', 'Welcome to Your Vue.js + TypeScript App')32 })33})

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Using AI Code Generation

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1const { createDevServer } = require('@cypress/​webpack-dev-server')2const webpackConfig = require('@vue/​cli-service/​webpack.config.js')3const options = {4}5module.exports = (on, config) => {6 on('dev-server:start', (options) => {7 return createDevServer({ options })8 })9}10const { startDevServer } = require('@cypress/​webpack-dev-server')11const webpackConfig = require('@vue/​cli-service/​webpack.config.js')12const options = {13}14module.exports = (on, config) => {15 on('dev-server:start', (options) => {16 return startDevServer({ options })17 })18}19Cypress.Commands.add('visitWithWebPack', (url, options) => {20 cy.server()21 cy.route('GET', '/​api/​v1/​health', 'fixture:health.json')22 cy.visit(url, options)23})24describe('Health', () => {25 it('Visits the app root url', () => {26 cy.visitWithWebPack('/​')27 cy.contains('h1', 'Hello World')28 })29})30{31}32{33}34{35 "scripts": {36 },37 "dependencies": {

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Using AI Code Generation

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1const { createDevServer } = require('@cypress/​webpack-dev-server')2const webpackConfig = require('../​webpack.config')3module.exports = (on, config) => {4 on('dev-server:start', async (options) => {5 return createDevServer({ options, webpackConfig })6 })7}8const path = require('path')9const HtmlWebpackPlugin = require('html-webpack-plugin')10module.exports = {11 output: {12 path: path.resolve(__dirname, 'dist'),13 },14 devServer: {15 },16 new HtmlWebpackPlugin({17 }),18}19{20}21"scripts": {22 },23describe('My First Test', () => {24 it('Visits the Kitchen Sink', () => {25 cy.visit('/​')26 cy.contains('h1', 'Hello World')27 })28})29import './​index.html'30describe('My First Test', () => {31 it('Visits

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Using AI Code Generation

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1const cypress = require('cypress');2const { createDevServer } = require('@cypress/​webpack-dev-server');3const webpackConfig = require('../​webpack.config');4module.exports = (on, config) => {5 on('dev-server:start', (options) => {6 return createDevServer({7 });8 });9};10const wp = require('../​test');11module.exports = (on, config) => {12 wp(on, config);13};14{15 "testFiles": "**/​*.{spec,features}",16 "env": {17 }18}19const path = require('path');20module.exports = {21 output: {22 path: path.resolve(__dirname, 'dist'),23 },24 devServer: {25 contentBase: path.join(__dirname, 'dist'),26 },27 module: {28 {29 test: /​\.(js|jsx)$/​,30 },31 },32 resolve: {33 },34};35{36 "scripts": {37 },38 "dependencies": {

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Using AI Code Generation

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1import { createDevServer } from '@cypress/​vite-dev-server'2module.exports = (on, config) => {3 on('dev-server:start', (options) => {4 return createDevServer({ options })5 })6}7{8 "env": {9 }10}11describe('My First Test', () => {12 it('Does not do much!', () => {13 cy.visit('/​')14 cy.contains('Hello World')15 })16})17import '@cypress/​vite-dev-server/​support'18const { startDevServer } = require('@cypress/​vite-dev-server')19module.exports = (on, config) => {20 on('dev-server:start', (options) => {21 return startDevServer({ options })22 })23}24import '@cypress/​vite-dev-server/​support'25const { startDevServer } = require('@cypress/​vite-dev-server')26module.exports = (on, config) => {27 on('dev-server:start', (options) => {28 return startDevServer({ options })29 })30}31import '@cypress/​vite-dev-server/​support'32const { startDevServer } = require('@cypress/​vite-dev-server')33module.exports = (on, config) => {34 on('dev-server:start', (options) => {35 return startDevServer({ options })36 })37}38import '@cypress/​vite-dev-server/​support'39const { startDevServer } = require('@cypress/​vite-dev-server')40module.exports = (on, config) => {41 on('dev-server:start', (options) => {42 return startDevServer({ options })43 })44}45import '@cypress/​vite-dev-server/​support'46const { startDevServer } = require('@cypress/​vite

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Using AI Code Generation

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1const { createDevServer } = require("@cypress/​vite-dev-server");2const { startDevServer } = require("@cypress/​webpack-dev-server");3module.exports = (on, config) => {4 on("dev-server:start", async (options) => {5 return startDevServer({6 viteConfig: {7 },8 });9 });10};11{12 "testFiles": "**/​*.{spec,features}",13 "env": {14 },15 "devServer": {16 "env": {17 }18 }19}20import vue from "@vitejs/​plugin-vue";21import { defineConfig } from "vite";22import { resolve } from "path";23export default defineConfig({24 plugins: [vue()],25 resolve: {26 alias: {27 "@": resolve(__dirname, "src"),28 },29 },30});31{32 "scripts": {33 },34 "dependencies": {

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Using AI Code Generation

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1const { createDevServer } = require('@cypress/​vite-dev-server')2module.exports = (on, config) => {3 on('dev-server:start', (options) => {4 return createDevServer({5 viteConfig: {6 }7 })8 })9}10{11}12const { startDevServer } = require('@cypress/​vite-dev-server')13module.exports = (on, config) => {14 on('dev-server:start', (options) => {15 return startDevServer({ options })16 })17}18import '@testing-library/​cypress/​add-commands'19import 'cypress-axe'20import '@testing-library/​cypress/​add-commands'21import 'cypress-axe'22describe('Hello World', () => {23 it('works', () => {24 cy.visit('/​')25 cy.contains('h1', 'Hello World')26 })27})28{

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Using AI Code Generation

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1const { createDevServer } = require('@cypress/​vite-dev-server')2const { viteConfig } = require('./​vite.config')3module.exports = async (on, config) => {4 const devServer = await createDevServer({ options: viteConfig })5 on('dev-server:start', (options) => devServer.listen(options.port, options.host))6}7{8}9{10 "scripts": {11 },12 "devDependencies": {13 }14}15{16 "env": {17 }18}19describe('My First Test', () => {20 it('Does not do much!', () => {21 cy.visit('/​')22 cy.contains('Hello World

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StackOverFlow community discussions

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Don't know if this is going to help you or if you already fixed it, but I did find a solution to access an iframe inside another iframe, cause I was trying to solve that issue for myself, will leave the answer here and hope it can help.

So an example of the id of the iframes:

  • Iframe1, id='first_iframe"
  • Iframe2, id='second_iframe"

Here is the code sample you can try:

cy.get('#first_iframe').then($firstIframe => {
  const $secondIframeReference = $firstIframe.contents().find('#second_iframe');

  cy.wrap($secondIframeReference).as('secondIframeReference'); // Saving this as a reference so we can access it again using get command

  // Now we are accessing the second iframe
  cy.get('@secondIframeReference').then($secondIframe => {
    const $elementYouWant = $secondIframe.contents().find('element you want to interact with');

    cy.wrap('$elementYouWant').type("It's writing some stuff"); // In case it is an input field, for example
  });
});

Got into this solution after reading this article

https://stackoverflow.com/questions/64606194/cypress-access-to-an-iframe-into-another-iframe

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