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How to use rewriteHtmlJsAsync method in Cypress

Best JavaScript code snippet using cypress

ast-rewriter.js

Source:ast-rewriter.js

1"use strict";2var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {3    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }4    return new (P || (P = Promise))(function (resolve, reject) {5        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }6        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }7        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }8        step((generator = generator.apply(thisArg, _arguments || [])).next());9    });10};11var __importDefault = (this && this.__importDefault) || function (mod) {12    return (mod && mod.__esModule) ? mod : { "default": mod };13};14Object.defineProperty(exports, "__esModule", { value: true });15exports.stripStream = exports.strip = void 0;16const rewriter_1 = require("../../../../rewriter");17const duplexify_1 = __importDefault(require("duplexify"));18const network_1 = require("../../../../network");19const stream_1 = __importDefault(require("stream"));20const pumpify = require('pumpify');21const utf8Stream = require('utf8-stream');22const strip = (source, opts) => __awaiter(void 0, void 0, void 0, function* () {23    if (opts.isHtml) {24        return (0, rewriter_1.rewriteHtmlJsAsync)(opts.url, source, opts.deferSourceMapRewrite); // threaded25    }26    return (0, rewriter_1.rewriteJsAsync)(opts.url, source, opts.deferSourceMapRewrite); // threaded27});28exports.strip = strip;29const stripStream = (opts) => {30    if (opts.isHtml) {31        return pumpify(utf8Stream(), (0, rewriter_1.HtmlJsRewriter)(opts.url, opts.deferSourceMapRewrite));32    }33    const pt = new (stream_1.default.PassThrough)();34    return (0, duplexify_1.default)(pumpify(utf8Stream(), (0, network_1.concatStream)((body) => __awaiter(void 0, void 0, void 0, function* () {35        pt.write(yield (0, exports.strip)(body.toString(), opts));36        pt.end();37    }))), pt);38};...

index.js

Source:index.js

1"use strict";2Object.defineProperty(exports, "__esModule", { value: true });3exports.terminateAllWorkers = exports.createInitialWorkers = exports.DeferredSourceMapCache = exports.rewriteHtmlJsAsync = exports.rewriteJsAsync = exports.HtmlJsRewriter = void 0;4var html_1 = require("./html");5Object.defineProperty(exports, "HtmlJsRewriter", { enumerable: true, get: function () { return html_1.HtmlJsRewriter; } });6var async_rewriters_1 = require("./async-rewriters");7Object.defineProperty(exports, "rewriteJsAsync", { enumerable: true, get: function () { return async_rewriters_1.rewriteJsAsync; } });8Object.defineProperty(exports, "rewriteHtmlJsAsync", { enumerable: true, get: function () { return async_rewriters_1.rewriteHtmlJsAsync; } });9var deferred_source_map_cache_1 = require("./deferred-source-map-cache");10Object.defineProperty(exports, "DeferredSourceMapCache", { enumerable: true, get: function () { return deferred_source_map_cache_1.DeferredSourceMapCache; } });11var threads_1 = require("./threads");12Object.defineProperty(exports, "createInitialWorkers", { enumerable: true, get: function () { return threads_1.createInitialWorkers; } });...

async-rewriters.js

Source:async-rewriters.js

...4const threads_1 = require("./threads");5// these functions are not included in `./js` or `./html` because doing so6// would mean that `./threads/worker` would unnecessarily end up loading in the7// `./threads` module for each worker8function rewriteHtmlJsAsync(url, html, deferSourceMapRewrite) {9    return (0, threads_1.queueRewriting)({10        url,11        deferSourceMapRewrite,12        source: html,13        isHtml: true,14    });15}16exports.rewriteHtmlJsAsync = rewriteHtmlJsAsync;17function rewriteJsAsync(url, js, deferSourceMapRewrite) {18    return (0, threads_1.queueRewriting)({19        url,20        deferSourceMapRewrite,21        source: js,22    });...

Using AI Code Generation

1const fs = require('fs');2const path = require('path');3const { rewriteHtmlJsAsync } = require('@cypress/webpack-preprocessor');4module.exports = (on, config) => {5  on('file:preprocessor', async (file) => {6    const options = {7      webpackOptions: {8        module: {9            {10                {11                  options: {12                  },13                },14            },15        },16      },17    };18    if (file.filePath.endsWith('.js')) {19      return rewriteHtmlJsAsync(file, options);20    }21  });22};23module.exports = (on, config) => {24  require('@cypress/code-coverage/task')(on, config);25  require('@cypress/react/plugins/react-scripts')(on, config);26  require('./test')(on, config);27  return config;28};29require('@cypress/code-coverage/support');30require('@cypress/react/support');31{32}33{34  "dependencies": {

Using AI Code Generation

1describe('Test', () => {2  it('test', () => {3      onBeforeLoad(win) {4        cy.stub(win, 'fetch').as('fetch')5      },6    })7    cy.get('@fetch').then((fetch) => {8      cy.wrap(fetch).invoke('restore')9      cy.wrap(fetch).invoke('callThrough')10    })11    cy.get('@fetch').should('be.called')12  })13})14I have a function that is called when a button is clicked. I want to stub that function so that I can test the button click. I have tried using cy.window() to get the window object, but I am not sure how to

Using AI Code Generation

1const fs = require('fs');2const path = require('path');3const html = fs.readFileSync(path.resolve(__dirname, 'index.html'), 'utf-8');4const js = fs.readFileSync(path.resolve(__dirname, 'index.js'), 'utf-8');5cy.rewriteHtmlJsAsync(html, js).then((html) => {6    cy.visit('about:blank');7    cy.document().invoke('write', html);8});9const el = document.createElement('div');10el.innerText = 'Hello world';11document.getElementById('app').appendChild(el);12describe('Test', () => {13    it('should display hello world', () => {14        cy.visit('test.html');15        cy.get('#app').should('contain', 'Hello world');16    });17});

Using AI Code Generation

1import { rewriteHtmlJsAsync } from 'cypress-rewriter'2import { rewriteHtmlJs } from 'cypress-rewriter'3import { rewriteHtmlJsAsync } from 'cypress-rewriter'4import { rewriteHtmlJs } from 'cypress-rewriter'5import { rewriteHtmlJsAsync } from 'cypress-rewriter'6import { rewriteHtmlJs } from 'cypress-rewriter'7import { rewriteHtmlJsAsync } from 'cypress-rewriter'8import { rewriteHtmlJs } from 'cypress-rewriter'9import { rewriteHtmlJsAsync } from 'cypress-rewriter'10import { rewriteHtmlJs } from 'cypress-rewriter'11import { rewriteHtmlJsAsync } from 'cypress-rewriter'12import { rewriteHtmlJs } from 'cypress-rewriter'13import { rewriteHtmlJsAsync } from 'cypress-rewriter'14import { rewriteHtmlJs } from 'cypress-rewriter'15import { rewriteHtmlJsAsync } from 'cypress-rewriter'16import { rewriteHtmlJs } from 'cypress-rewriter'17import { rewriteHtmlJsAsync } from 'cypress-rewriter'18import { rewriteHtmlJs } from 'cypress-rewriter'19import { rewriteHtmlJsAsync } from 'cypress-rewriter'20import { rewriteHtmlJs

Using AI Code Generation

1describe('My First Test', () => {2  it('Visits the Kitchen Sink', () => {3  })4})5describe('My First Test', () => {6  it('Visits the Kitchen Sink', () => {7  })8})9describe('My First Test', () => {10  it('Visits the Kitchen Sink', () => {11  })12})13describe('My First Test', () => {14  it('Visits the Kitchen Sink', () => {15  })16})17describe('My First Test', () => {18  it('Visits the Kitchen Sink', () => {19  })20})21describe('My First Test', () => {22  it('Visits the Kitchen Sink', () => {

Using AI Code Generation

1describe('Rewrite HTML JS', () => {2  it('Rewrite HTML JS', () => {3    cy.rewriteHtmlJsAsync({4      rewrite: function (html) {5        return html.replace(/<script/g, '<script disabled')6      },7    })8  })9})

Using AI Code Generation

1describe('My First Test', function() {2  it('Does not do much!', function() {3    cy.rewriteHtmlJsAsync({4    })5    cy.get('[data-cy="myId"]').should('have.text', 'myValue')6  })7})8Cypress.Commands.add('rewriteHtmlJsAsync', options => {9  return new Promise((resolve, reject) => {10    cy.document().then(doc => {11      let script = doc.createElement('script')12        var elems = document.querySelectorAll('[id]')13        for (var i = 0; i < elems.length; i++) {14          if (elem.id in ${JSON.stringify(options)}) {15            elem.setAttribute('data-cy', elem.id)16            elem.innerHTML = ${JSON.stringify(options[elem.id])}17          }18        }19      doc.body.appendChild(script)20      resolve()21    })22  })23})24import './commands'25Cypress.on('window:before:load', win => {26})27Cypress.on('window:load', win => {28})29Cypress.on('uncaught:exception', (err, runnable) => {30})31Cypress.on('fail', (err, runnable) => {32})33Cypress.on('test:after:run', (test, runnable) => {34  if (test.state === 'failed

Cypress Tutorial

Cypress is a renowned Javascript-based open-source, easy-to-use end-to-end testing framework primarily used for testing web applications. Cypress is a relatively new player in the automation testing space and has been gaining much traction lately, as evidenced by the number of Forks (2.7K) and Stars (42.1K) for the project. LambdaTest’s Cypress Tutorial covers step-by-step guides that will help you learn from the basics till you run automation tests on LambdaTest.

Chapters:

What is Cypress? -
Why Cypress? - Learn why Cypress might be a good choice for testing your web applications.
Features of Cypress Testing - Learn about features that make Cypress a powerful and flexible tool for testing web applications.
Cypress Drawbacks - Although Cypress has many strengths, it has a few limitations that you should be aware of.
Cypress Architecture - Learn more about Cypress architecture and how it is designed to be run directly in the browser, i.e., it does not have any additional servers.
Browsers Supported by Cypress - Cypress is built on top of the Electron browser, supporting all modern web browsers. Learn browsers that support Cypress.
Selenium vs Cypress: A Detailed Comparison - Compare and explore some key differences in terms of their design and features.
Cypress Learning: Best Practices - Take a deep dive into some of the best practices you should use to avoid anti-patterns in your automation tests.
How To Run Cypress Tests on LambdaTest? - Set up a LambdaTest account, and now you are all set to learn how to run Cypress tests.

Certification

You can elevate your expertise with end-to-end testing using the Cypress automation framework and stay one step ahead in your career by earning a Cypress certification. Check out our Cypress 101 Certification.