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How to use _rewriteJsUnsafe method in Cypress

Best JavaScript code snippet using cypress

js.js

Source:js.js

...55        return { err };56    }57}58exports.rewriteJsSourceMap = rewriteJsSourceMap;59function _rewriteJsUnsafe(url, js, deferSourceMapRewrite) {60    const ast = recast.parse(js);61    try {62        astTypes.visit(ast, js_rules_1.jsRules);63    }64    catch (err) {65        // if visiting fails, it points to a bug in our rewriting logic, so raise the error to the driver66        return _generateDriverError(url, err);67    }68    const { code } = recast.print(ast, defaultPrintOpts);69    if (!deferSourceMapRewrite) {70        // no sourcemaps71        return sourceMaps.stripMappingUrl(code);72    }73    // get an ID that can be used to lazy-generate the source map later74    const sourceMapId = deferSourceMapRewrite({ url, js });75    return sourceMaps.urlFormatter(76    // using a relative URL ensures that required cookies + other headers are sent along77    // and can be reused if the user's sourcemap requires an HTTP request to be made78    `/__cypress/source-maps/${sourceMapId}.map`, code);79}80exports._rewriteJsUnsafe = _rewriteJsUnsafe;81function rewriteJs(url, js, deferSourceMapRewrite) {82    try {83        // rewriting can throw on invalid JS or if there are bugs in the js-rules, so always wrap it84        return _rewriteJsUnsafe(url, js, deferSourceMapRewrite);85    }86    catch (err) {87        debug('error while parsing JS %o', { err, js: js.slice ? js.slice(0, 500) : js });88        return js;89    }90}...

Using AI Code Generation

1describe('My First Test', function() {2  it('Does not do much!', function() {3    cy.get('.home-list li:first').click()4    cy.contains('type')5    cy.url().should('include', '/commands/actions')6  })7})8Cypress.Commands.add('rewriteJsUnsafe', { prevSubject: 'element' }, (subject, script) => {9    return cy.window().then((win) => {10        win.Cypress._rewriteJsUnsafe(subject, script)11    })12})13import './commands'14module.exports = (on, config) => {15}16{17}18Cypress.Commands.add('rewriteJsUnsafe', { prevSubject: 'element' }, (subject, script) => {19    return cy.window().then((win) => {20        win.Cypress._rewriteJsUnsafe(subject, script)21    })22})23Cypress.Commands.add('rewriteJsUnsafe', { prevSubject: 'element' }, (subject, script) => {24    return cy.window().then((win) => {25        win.Cypress._rewriteJsUnsafe(subject, script)26    })27})28Cypress.Commands.add('rewriteJsUnsafe', { prevSubject: 'element' }, (subject, script) => {29    return cy.window().then((win) => {30        win.Cypress._rewriteJsUnsafe(subject, script)31    })32})33Cypress.Commands.add('rewriteJsUnsafe', { prevSubject: 'element' }, (subject, script) => {34    return cy.window().then((win) => {35        win.Cypress._rewriteJsUnsafe(subject, script)36    })37})38Cypress.Commands.add('rewriteJsUnsafe', { prevSubject: 'element' }, (subject, script) => {39    return cy.window().then((win) => {40        win.Cypress._rewriteJsUnsafe(subject, script)41    })42})

Using AI Code Generation

1Cypress.Commands.add("rewriteJsUnsafe", (code) => {2  return cy.window().then((win) => {3    return win.Cypress._rewriteJsUnsafe(code);4  });5});6Cypress.Commands.add("rewriteJsUnsafe", (code) => {7  return cy.window().then((win) => {8    return win.Cypress._rewriteJsUnsafe(code);9  });10});11Cypress.Commands.add("rewriteJsUnsafe", (code) => {12  return cy.window().then((win) => {13    return win.Cypress._rewriteJsUnsafe(code);14  });15});16Cypress.Commands.add("rewriteJsUnsafe", (code) => {17  return cy.window().then((win) => {18    return win.Cypress._rewriteJsUnsafe(code);19  });20});21Cypress.Commands.add("rewriteJsUnsafe", (code) => {22  return cy.window().then((win) => {23    return win.Cypress._rewriteJsUnsafe(code);24  });25});26Cypress.Commands.add("rewriteJsUnsafe", (code) => {27  return cy.window().then((win) => {28    return win.Cypress._rewriteJsUnsafe(code);29  });30});31Cypress.Commands.add("rewriteJsUnsafe", (code) => {32  return cy.window().then((win) => {33    return win.Cypress._rewriteJsUnsafe(code);34  });35});36Cypress.Commands.add("rewriteJsUnsafe", (code) => {37  return cy.window().then((win) => {

Using AI Code Generation

1  onBeforeLoad(win) {2    cy.stub(win, 'open', url => {3      cy.log('window.open was called with the url: ' + url);4    }).as('_open');5  }6});7Cypress.Commands.overwrite('visit', (originalFn, url, options) => {8  cy.on('window:before:load', win => {9    cy.stub(win, 'open', url => {10    }).as('_open');11  });12  return originalFn(url, options);13});14  onBeforeLoad(win) {15    cy.stub(win, 'open', url => {16      cy.log('window.open was called with the url: ' + url);17    }).as('_open');18  }19});20Cypress.Commands.overwrite('visit', (originalFn, url, options) => {21  cy.on('window:before:load', win => {22    cy.stub(win, 'open', url => {23    }).as('_open');24  });25  return originalFn(url, options);26});27  onBeforeLoad(win) {28    cy.stub(win, 'open', url => {29      cy.log('window.open was called with the url: ' + url);30    }).as('_open');31  }32});33Cypress.Commands.overwrite('visit', (originalFn, url

Using AI Code Generation

1Cypress._rewriteJsUnsafe = (code) => {2    return code.replace(/cy\.get\(/g, 'cy.getWithCustomTimeout(');3};4Cypress.Commands.add('getWithCustomTimeout', { prevSubject: 'optional' }, (subject, selector, options) => {5    options = options || {};6    options.timeout = 5000;7    return cy.get(selector, options);8});9cy.getWithCustomTimeout('#element').should('be.visible');

Using AI Code Generation

1Cypress.Commands.overwrite('visit', (originalFn, url, options) => {2  if (options && options.rewrite) {3    url = Cypress._.reduce(4      (url, fn, pattern) => url.replace(pattern, fn),5  }6  return originalFn(url, options)7})8Cypress.Commands.add('visitWithRewrite', (url, options = {}) => {9  options.rewrite = {10  }11  return cy.visit(url, options)12})13describe('example', () => {14  it('works', () => {15    cy.visitWithRewrite('/html/index.html')16  })17})18Cypress.Commands.add('getIframe', () => {19  return cy.get('iframe').its('0.contentDocument.body').should('not.be.empty').then(cy.wrap)20})21Cypress.Commands.add('getIframeBody', () => {22  return cy.get('iframe').its('0.contentDocument.body').should('not.be.empty').then(cy.wrap)23})24Cypress.Commands.add('getIframeElement', () => {25  return cy.get('iframe').its('0.contentDocument.body').should('not.be.empty').then(cy.wrap)26})27Cypress.Commands.add('getIframeHead', () => {28  return cy.get('iframe').its('0.contentDocument.head').should('not.be.empty').then(cy.wrap)29})30Cypress.Commands.add('getIframeWindow', () => {31  return cy.get('iframe').its('0.contentWindow').should('not.be.empty').then(cy.wrap)32})33Cypress.Commands.add('getIframeDocument', () => {34  return cy.get('iframe').its('0.contentDocument').should('not.be.empty').then(cy.wrap)

Using AI Code Generation

1Cypress._rewriteJsUnsafe(2  () => {3    console.log('rewritten')4  }5console.log('original')6Cypress._rewriteJsUnsafe(7  () => {8    console.log('rewritten')9  }10console.log('original')11Cypress._rewriteJsUnsafe(12  () => {13    console.log('rewritten')14  }15console.log('original')16Cypress._rewriteJsUnsafe(17  () => {18    console.log('rewritten')19  }20console.log('original')21Cypress._rewriteJsUnsafe(

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.