How to use downgradeES method in Testcafe

Best JavaScript code snippet using testcafe

compile-client-function.js

Source:compile-client-function.js

...55    if (containsAsyncToGeneratorOutputCode(fnCode))56        throw new ClientFunctionAPIError(compilationCallsiteName, instantiationCallsiteName, RUNTIME_ERRORS.regeneratorInClientFunctionCode);57    fnCode = makeFnCodeSuitableForParsing(fnCode);58    // NOTE: we need to recompile ES6 code for the browser if we are on newer versions of Node.59    fnCode = downgradeES(fnCode);60    fnCode = hammerhead.processScript(fnCode, false);61    // NOTE: check compiled code for regenerator injection62    if (REGENERATOR_FOOTPRINTS_RE.test(fnCode))63        throw new ClientFunctionAPIError(compilationCallsiteName, instantiationCallsiteName, RUNTIME_ERRORS.regeneratorInClientFunctionCode);64    if (!TRAILING_SEMICOLON_RE.test(fnCode))65        fnCode += ';';66    const dependenciesDefinition = dependencies ? getDependenciesDefinition(dependencies) : '';67    return `(function(){${dependenciesDefinition} return ${fnCode}})();`;...

Using AI Code Generation

1import { downgradeES } from 'testcafe';2import { Selector } from 'testcafe';3test('My first test', async t => {4        .typeText('#developer-name', 'John Smith')5        .click('#windows')6        .click('#submit-button');7    const articleHeader = await Selector('.result-content').find('h1');8    let headerText = await articleHeader.innerText;9    await t.expect(headerText).eql('Thank you, John Smith!');10});11SyntaxError: Unexpected token import12    at Module._compile (module.js:439:25)13    at Object.Module._extensions..js (module.js:474:10)14    at Module.load (module.js:356:32)15    at Function.Module._load (module.js:312:12)16    at Module.require (module.js:364:17)17    at require (module.js:380:17)18    at Object.<anonymous> (C:\Users\myusername\Desktop\testcafe\test.js:1:1)19    at Module._compile (module.js:456:26)20    at Object.Module._extensions..js (module.js:474:10)21    at Module.load (module.js:356:32)22import { downgradeES } from 'testcafe';23import { Selector } from 'testcafe';24test('My first test', async t => {25        .typeText('#developer-name', 'John Smith')26        .click('#windows')27        .click('#submit-button');28    const articleHeader = await Selector('.result-content').find('h1');29    let headerText = await articleHeader.innerText;30    await t.expect(headerText).eql('Thank you, John Smith!');31});32SyntaxError: Unexpected token import33    at Module._compile (module.js:439:25)34    at Object.Module._extensions..js (module.js:474

Using AI Code Generation

1import { downgradeES } from 'testcafe';2test('My first test', async t => {3        .typeText('#developer-name', 'John Smith')4        .click('#submit-button');5    const articleHeader = await t.select('#article-header');6    await t.expect(articleHeader.innerText).eql('Thank you, John Smith!');7});8import { upgradeES } from 'testcafe';9test('My first test', async t => {10        .typeText('#developer-name', 'John Smith')11        .click('#submit-button');12    const articleHeader = await t.select('#article-header');13    await t.expect(articleHeader.innerText).eql('Thank you, John Smith!');14});15import { createTestCafe } from 'testcafe';16const testcafe = await createTestCafe('localhost', 1337, 1338);17try {18    const runner = testcafe.createRunner();19        .src('tests/fixture.js')20        .browsers('chrome')21        .run();22}23finally {24    testcafe.close();25}26import { createTestFile } from 'testcafe';27await createTestFile({28});29import { createTestCafe } from 'testcafe';30const testcafe = await createTestCafe('localhost', 1337, 1338);31try {32    const runner = testcafe.createRunner();33        .src('tests/fixture.js')34        .browsers('chrome')35        .run();36}37finally {38    testcafe.close();39}40import { createTestFile } from 'testcafe';41await createTestFile({

Using AI Code Generation

1import { downgradeES } from 'testcafe';2test('My test', async t => {3        .typeText('#developer-name', 'John Smith')4        .click('#macos')5        .click('#submit-button');6});7downgradeES();

Using AI Code Generation

1import { downgradeES } from 'testcafe-browser-provider-electron';2import { Selector } from 'testcafe';3test('My first test', async t => {4});5const electronPath = downgradeES(require('electron'));6const electronPath = downgradeES(require('electron'), { useCmd: true });7const electronPath = downgradeES(require('electron'), { useCmd: true, useBundled: true });8const electronPath = downgradeES(require('electron'), { useCmd: true, useBundled: true, electronVersion: '5.0.0' });9const electronPath = downgradeES(require('electron'), { useCmd: true, useBundled: true, electronVersion: '5.0.0', electronPath: 'C:\\Users\\username\\AppData\\Local\\Programs\\electron\\app-5.0.0\\resources\\electron.asar' });10const electronPath = downgradeES(require('electron'), { useCmd: true, useBundled: true, electronVersion: '5.0.0', electronPath: 'C:\\Users\\username\\AppData\\Local\\Programs\\electron\\app-5.0.0\\resources\\electron.asar', electronArgs: ['--remote-debugging-port=9222'] });11const electronPath = downgradeES(require('electron'), { useCmd: true, useBundled: true, electronVersion: '5.0.0', electronPath: 'C:\\Users\\username\\AppData\\Local\\Programs\\electron\\app-5.0.0\\resources\\electron.asar', electronArgs: ['--remote-debugging-port=9222'], cmdArgs: ['--remote-debugging-port=9222'] });12const electronPath = downgradeES(require('electron'), { useCmd: true, useBundled: true, electronVersion: '5.0.0', electronPath: 'C:\\

Using AI Code Generation

1import { downgradeES } from 'testcafe';2test('My test', async t => {3        .click('button');4});5downgradeES();6import { downgradeES } from 'testcafe';7test('My test', async t => {8        .click('button');9});10downgradeES();11import { downgradeES } from 'testcafe';12test('My test', async t => {13        .click('button');14});15downgradeES();16import { downgradeES } from 'testcafe';17test('My test', async t => {18        .click('button');19});20downgradeES();21import { downgradeES } from 'testcafe';22test('My test', async t => {23        .click('button');24});25downgradeES();26import { downgradeES } from 'testcafe';27test('My test', async t => {28        .click('button');29});30downgradeES();31import { downgradeES } from 'testcafe';

Using AI Code Generation

1import { downgradeES } from 'testcafe';2const testControllerHolder = require('./testControllerHolder');3test('My test', async t => {4    testControllerHolder.set(t);5        .typeText('#developer-name', 'John Smith')6        .click('#submit-button');7});8const testControllerHolder = require('./testControllerHolder');9test('My test', async t => {10        .typeText('#developer-name', 'John Smith')11        .click('#submit-button');12});13const testControllerHolder = {14    set (testController) {15        this.testController = testController;16    },17    get () {18        return this.testController;19    }20};21module.exports = testControllerHolder;22const testControllerHolder = require('./testControllerHolder');23const testController = testControllerHolder.get();24    .typeText('#developer-name', 'John Smith')25    .click('#submit-button');26import { Selector } from 'testcafe';27test('My test', async t => {28    const developerNameInput = Selector('#developer-name');29        .typeText(developerNameInput, 'John Smith')30        .click('#submit-button');31});32import { Selector } from 'testcafe';33test('My test', async t => {34    const developerNameInput = Selector('#developer-name');35        .typeText(developerNameInput, 'John Smith')36        .click('#submit-button');37});38import { Selector } from 'testcafe';39test('My test', async t => {40    const developerNameInput = Selector('#developer-name');41        .typeText(developerNameInput, 'John Smith')42        .click('#submit-button');43});44import { Selector } from 'testcafe';

Using AI Code Generation

1import { downgradeES } from "./node_modules/testcafe/lib/client-functions/downgrade-es";2test('My Test', async t => {3        .click('button');4});5export function downgradeES (fn) {6    return fn;7}8export default class ClientFunctionBuilder {9    constructor (fn, options, callsiteNames) {10        this.fn           = downgradeES(fn);11        this.options      = options;12        this.callsiteName = callsiteNames.get();13    }14}15export default class ClientFunction {16    constructor (fn, options, callsiteNames) {17        this.builder = new ClientFunctionBuilder(fn, options, callsiteNames);18    }19    _getFnCode () {20        return this.builder.fn.toString();21    }22}23export default class SelectorBuilder {24    constructor (fn, options, callsiteNames) {25        this.fn           = downgradeES(fn);26        this.options      = options;27        this.callsiteName = callsiteNames.get();28    }29}30export default class Selector {31    constructor (fn, options, callsiteNames) {32        this.builder = new SelectorBuilder(fn, options, callsiteNames);33    }34    _getFnCode () {35        return this.builder.fn.toString();36    }37}38export default class ClientFunctionBuilder {39    constructor (fn, options, callsiteNames) {40        this.fn           = downgradeES(fn);41        this.options      = options;42        this.callsiteName = callsiteNames.get();43    }44}45export default class ClientFunction {46    constructor (fn, options, callsiteNames) {47        this.builder = new ClientFunctionBuilder(fn, options, callsiteNames);48    }49    _getFnCode () {50        return this.builder.fn.toString();51    }52}

Using AI Code Generation

1import { downgradeES } from 'testcafe';2test('test', async t => {3        .click('#button')4        .expect(downgradeES('#header').innerText).eql('Test');5});6import { downgradeES } from 'testcafe';7test('test', async t => {8        .click('#button')9        .expect(downgradeES('#header').innerText).eql('Test');10});11import { downgradeES } from 'testcafe';12test('test', async t => {13        .click('#button')14        .expect(downgradeES('#header').innerText).eql('Test');15});16import { downgradeES } from 'testcafe';17test('test', async t => {18        .click('#button')19        .expect(downgradeES('#header').innerText).eql('Test');20});21import { downgradeES } from 'testcafe';22test('test', async t => {23        .click('#button')24        .expect(downgradeES('#header').innerText).eql('Test');25});26import { downgradeES } from 'testcafe';27test('test', async t => {28        .click('#button')29        .expect(downgradeES('#header').innerText).eql('Test');30});31import { downgradeES }

Automation Testing Tutorials

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.