How to use createGetter method in Playwright Internal

Best JavaScript code snippet using playwright-internal

index.spec.js

Source: index.spec.js Github

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...6 title: 'Goods',7 foo: undefined8 }9 };10 const getter = createGetter('category.title');11 expect(getter(obj)).toEqual('Goods');12 });13 it('should return "undefined" for properties which does not exist', () => {14 const obj = {15 category: {16 title: 'Goods',17 foo: undefined18 }19 };20 const getter1 = createGetter('category.foo');21 const getter2 = createGetter('category.bar');22 expect(getter1(obj)).toBeUndefined();23 expect(getter2(obj)).toBeUndefined();24 });25 it('gets obj.property', () => {26 const getter = createGetter('property');27 expect(getter({property: 1})).toEqual(1);28 });29 it('returns undefined for no property', () => {30 const getter = createGetter('property');31 expect(getter({})).toBeUndefined();32 });33 it('gets obj.nested.property', () => {34 const getter = createGetter('nested.property');35 expect(getter({nested: {property: 1}})).toEqual(1);36 });37 it('returns undefined for no nested.property', () => {38 const getter = createGetter('nested.property');39 expect(getter({})).toBeUndefined();40 });41 it('gets more.nested.property', () => {42 const getter = createGetter('more.nested.property');43 expect(getter({more: {nested: {property: 1}}})).toEqual(1);44 });...

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Using AI Code Generation

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1const { createGetter } = require('@playwright/​test/​lib/​server/​frames');2const { Page } = require('@playwright/​test/​lib/​server/​page');3const { Frame } = require('@playwright/​test/​lib/​server/​frame');4const { ElementHandle } = require('@playwright/​test/​lib/​server/​elementHandler');5const { createGetter } = require('@playwright/​test/​lib/​server/​frames');6const { Page } = require('@playwright/​test/​lib/​server/​page');7const { Frame } = require('@playwright/​test/​lib/​server/​frame');8const { ElementHandle } = require('@playwright/​test/​lib/​server/​elementHandler');9const { createGetter } = require('@playwright/​test/​lib/​server/​frames');10const { Page } = require('@playwright/​test/​lib/​server/​page');11const { Frame } = require('@playwright/​test/​lib/​server/​frame');12const { ElementHandle } = require('@playwright/​test/​lib/​server/​elementHandler');13const { createGetter } = require('@playwright/​test/​lib/​server/​frames');14const { Page } = require('@playwright/​test/​lib/​server/​page');15const { Frame } = require('@playwright/​test/​lib/​server/​frame');16const { ElementHandle } = require('@playwright/​test/​lib/​server/​elementHandler');17const { createGetter } = require('@playwright/​test/​lib/​server/​frames');18const { Page } = require('@playwright/​test/​lib/​server/​page');19const { Frame } = require('@playwright/​test/​lib/​server/​frame');20const { ElementHandle } = require('@playwright/​test/​lib/​server/​elementHandler');21const { createGetter } = require('@playwright/​test/​lib/​server/​frames');22const { Page } = require('@playwright/​test/​lib/​server/​page');23const { Frame } = require('@playwright/​test/​lib/​server/​frame');24const { ElementHandle } = require('@playwright/​test/​lib/​server/​elementHandler');25const { createGetter } = require('@playwright/​test/​lib/​server/​frames');26const { Page } = require('@playwright/​test/​lib/​server/​page');27const { Frame } = require('@playwright/​test/​lib/​server/​frame');28const { ElementHandle } = require('@play

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Using AI Code Generation

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1const { createGetter } = require('playwright/​lib/​client/​selectorEngine');2const { chromium } = require('playwright');3const { expect } = require('chai');4(async () => {5 const browser = await chromium.launch();6 const context = await browser.newContext();7 const page = await context.newPage();8 const selectorEngine = {9 query(root, selector) {10 return createGetter(selector)(root);11 }12 };13 await page._registerEngine(selectorEngine);14 const element = await page.$('my-engine=Selector Engine');15 expect(await page.evaluate(element => element.textContent, element)).to.equal('Selector Engine');16 await browser.close();17})();

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Using AI Code Generation

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1const { createGetter } = require('playwright/​lib/​client/​selectorEngine');2const { Page } = require('playwright');3const { createGetter } = require('playwright/​lib/​client/​selectorEngine');4const { Page } = require('playwright');5const { createGetter } = require('playwright/​lib/​client/​selectorEngine');6const { Page } = require('playwright');7const { createGetter } = require('playwright/​lib/​client/​selectorEngine');8const { Page } = require('playwright');9const { createGetter } = require('playwright/​lib/​client/​selectorEngine');10const { Page } = require('playwright');11const { createGetter } = require('playwright/​lib/​client/​selectorEngine');12const { Page } = require('playwright');13const { createGetter } = require('playwright/​lib/​client/​selectorEngine');14const { Page } = require('playwright');15const { createGetter } = require('playwright/​lib/​client/​selectorEngine');16const { Page } = require('playwright');17const { createGetter } = require('playwright/​lib/​client/​selectorEngine');18const { Page } = require('playwright');19const { createGetter } = require('playwright/​lib/​client/​selectorEngine');20const { Page } = require('playwright');21const { createGetter } = require('playwright/​lib/​client/​selectorEngine');22const { Page } = require('playwright');23const { createGetter } = require('playwright/​lib/​client/​selectorEngine');24const { Page } = require('playwright');25const { createGetter } = require('playwright/​lib/​client/​selectorEngine');26const { Page } = require('playwright');

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Using AI Code Generation

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1const { createGetter } = require('playwright');2const path = require('path');3const fs = require('fs');4const { chromium } = require('playwright');5const { expect } = require('chai');6(async () => {7 const browser = await chromium.launch();8 const context = await browser.newContext();9 const page = await context.newPage();10 const getter = createGetter(page);11 const title = await getter('document.title');12 expect(title).equals('Example Domain');13 await browser.close();14})();15const { expect } = require('chai');16const { chromium } = require('playwright');17const { createGetter } = require('playwright');18describe('Playwright Internal API', () => {19 let browser;20 let context;21 let page;22 let getter;23 before(async () => {24 browser = await chromium.launch();25 context = await browser.newContext();26 page = await context.newPage();27 getter = createGetter(page);28 });29 after(async () => {30 await browser.close();31 });32 it('should get the title of the page', async () => {33 const title = await getter('document.title');34 expect(title).equals('Example Domain');35 });36});37const { expect } = require('chai');38const { chromium } = require('playwright');39const { createGetter } = require('playwright');40describe('Playwright Internal API', () => {41 let browser;42 let context;43 let page;44 let getter;45 before(async () => {46 browser = await chromium.launch();47 context = await browser.newContext();48 page = await context.newPage();49 getter = createGetter(page);50 });51 after(async () => {52 await browser.close();53 });54 it('should get the title of the page', async () => {55 const title = await getter('document.title');56 expect(title).equals('Example Domain');57 });58});59const { expect } = require('chai');60const { chromium } = require('playwright');61const { createGetter } = require('playwright');62describe('Playwright Internal API', () => {63 let browser;64 let context;

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Using AI Code Generation

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1const { createGetter } = require('playwright/​lib/​server/​frames');2const { Frame } = require('playwright/​lib/​server/​frames');3const { JSHandle } = require('playwright/​lib/​server/​chromium/​crExecutionContext');4const { DOMWorld } = require('playwright/​lib/​server/​chromium/​crDomWorld');5const frame = new Frame(new DOMWorld(new JSHandle(), new JSHandle()), 'frameId');6const element = new JSHandle(frame, {}, 'elementHandleId');7const getter = createGetter('name', false, false);8getter(element).then((value) => {9 console.log(value);10});11const { createSetter } = require('playwright/​lib/​server/​frames');12const { Frame } = require('playwright/​lib/​server/​frames');13const { JSHandle } = require('playwright/​lib/​server/​chromium/​crExecutionContext');14const { DOMWorld } = require('playwright/​lib/​server/​chromium/​crDomWorld');15const frame = new Frame(new DOMWorld(new JSHandle(), new JSHandle()), 'frameId');

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Using AI Code Generation

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1const { createGetter } = require('playwright/​lib/​utils/​structs');2const struct = {3 { name: 'name', type: 'string' },4 { name: 'age', type: 'number' },5 { name: 'isAdult', type: 'boolean' },6 { name: 'address', type: 'Address' },7};8const addressStruct = {9 { name: 'street', type: 'string' },10 { name: 'city', type: 'string' },11 { name: 'state', type: 'string' },12 { name: 'zip', type: 'string' },13};14const person = {15 address: {16 },17};18const getter = createGetter(struct, addressStruct);19const personGetter = getter(person);20console.log(personGetter.name);21console.log(personGetter.address.street);22const { createGuid } = require('playwright/​lib/​utils/​utils');23const guid = createGuid();24console.log(guid);25const { createGuidRegex } = require('playwright/​lib/​utils/​utils');26const guidRegex = createGuidRegex();27console.log(guidRegex);28/​[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}/​g

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Using AI Code Generation

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1const { createGetter } = require('playwright/​lib/​internal/​evaluators/​JSHandle.js');2const { createJSHandle } = require('playwright/​lib/​internal/​evaluators/​JSHandle.js');3const { ElementHandle } = require('playwright/​lib/​JSHandle.js');4const { Page } = require('playwright/​lib/​Page.js');5const { Frame } = require('playwright/​lib/​FrameManager.js');6const { CDPSession } = require('playwright/​lib/​Connection.js');7const { ConnectionTransport } = require('playwright/​lib/​Transport.js');8const page = new Page(new CDPSession(new ConnectionTransport()), false, null);9const frame = new Frame(page, null, null, null);10const elementHandle = new ElementHandle(frame, null, null);11const getter = createGetter('window');12getter(elementHandle).then(result => {13 console.log(result);14});15const getter = createGetter('document');16getter(elementHandle).then(result => {17 console.log(result);18});19const getter = createGetter('document.body');20getter(elementHandle).then(result => {21 console.log(result);22});23const getter = createGetter('document.body.childNodes');24getter(elementHandle).then(result => {25 console.log(result);26});27const getter = createGetter('document.body.childNodes.length');28getter(elementHandle).then(result => {29 console.log(result);30});31const getter = createGetter('document.body.childNodes[0]');32getter(elementHandle).then(result => {33 console.log(result);34});35const getter = createGetter('document.body.childNodes[0].textContent');36getter(elementHandle).then(result => {37 console.log(result);38});39const getter = createGetter('document.body.childNodes[0].textContent.trim()');40getter(elementHandle).then(result => {41 console.log(result);42});43const getter = createGetter('document.body.childNodes[0].textContent.trim().length');44getter(elementHandle).then(result => {45 console.log(result);46});47const getter = createGetter('document.body.childNodes[0].textContent.trim().length.toString()');

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Using AI Code Generation

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1const { createGetter } = require('playwright-core/​lib/​server/​injected/​injectedScript');2const { WebKit } = require('playwright-core/​lib/​server/​webkit');3const { createTestServer } = require('playwright-core/​lib/​utils/​testserver/​');4const { test, expect } = require('@playwright/​test');5test('Test', async ({ page }) => {6 const server = await createTestServer();7 await page.goto(server.PREFIX + '/​input/​button.html');8 const getter = await page.evaluateHandle(createGetter('button'));9 const result = await page.evaluate((button) => button.outerHTML, getter);10 expect(result).toBe('<button></​button>');11});12at ExecutionContext._evaluateInternal (node_modules/​playwright-core/​lib/​server/​frames.js:131:19)13at processTicksAndRejections (internal/​process/​task_queues.js:93:5)14at async ExecutionContext.evaluate (node_modules/​playwright-core/​lib/​server/​frames.js:76:16)15at async Object.<anonymous> (test.js:13:27)16at async Test._runBody (node_modules/​playwright-core/​lib/​server/​test.js:238:7)17at async Test._run (node_modules/​playwright-core/​lib/​server/​test.js:179:7)18at async Object.<anonymous> (test.js:3:1)19at async Object.runTest (node_modules/​playwright-core/​lib/​server/​test.js:494:7)20at async Object.run (node_modules/​playwright-core/​lib/​server/​test.js:406:16)21at async Object.main (node_modules/​playwright-core/​lib/​server/​test.js:566:7)22at async main (node_modules/​playwright-core/​lib/​cli/​cli.js:170:7)

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Using AI Code Generation

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1const {createGetter} = require('playwright/​lib/​server/​dom.js');2const {jsdom} = require('jsdom');3const dom = jsdom('<html><body><div id="id1">Div1</​div></​body></​html>');4const getter = createGetter(dom.window);5const div1 = dom.window.document.getElementById('id1');6const div1Handle = getter(div1);7console.log(await div1Handle.textContent());8I tried to import the dom.js file from playwright. But I am getting the following error:9I tried to import the dom.js file from playwright. But I am getting the following error:10const { createGetter } = require('playwright/​lib/​server/​dom.js');

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Using AI Code Generation

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1const { createGetter } = require('playwright/​lib/​server/​frames');2const frame = page.mainFrame();3const getter = createGetter('test', frame);4getter.evaluate((arg) => {5 return document.querySelector(arg);6}, 'h1').then((element) => {7 console.log(element);8});9const { createJSHandle } = require('playwright/​lib/​server/​frames');10const frame = page.mainFrame();11const handle = createJSHandle(frame, 'test');12handle.evaluate((arg) => {13 return document.querySelector(arg);14}, 'h1').then((element) => {15 console.log(element);16});17const { createJSHandleFromElementHandle } = require('playwright/​lib/​server/​frames');18const frame = page.mainFrame();19const handle = createJSHandleFromElementHandle(frame, 'test');20handle.evaluate((arg) => {21 return document.querySelector(arg);22}, 'h1').then((element) => {23 console.log(element);24});25const { createJSHandleFromElementHandle } = require('playwright/​lib/​server/​frames');26const frame = page.mainFrame();27const handle = createJSHandleFromElementHandle(frame, 'test');28handle.evaluate((arg) => {29 return document.querySelector(arg);30}, 'h1').then((element) => {31 console.log(element);32});33const { createJSHandleFromElementHandle } = require('playwright/​lib/​server/​frames');34const frame = page.mainFrame();35const handle = createJSHandleFromElementHandle(frame, 'test');36handle.evaluate((arg) => {37 return document.querySelector(arg);38}, 'h1').then((element) => {39 console.log(element);40});41const { createJSHandleFromElementHandle } = require('playwright/​lib/​server/​frames');42const frame = page.mainFrame();43const handle = createJSHandleFromElementHandle(frame, 'test');44handle.evaluate((arg) => {

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StackOverFlow community discussions

Questions
Discussion

Jest + Playwright - Test callbacks of event-based DOM library

firefox browser does not start in playwright

Is it possible to get the selector from a locator object in playwright?

How to run a list of test suites in a single file concurrently in jest?

Running Playwright in Azure Function

firefox browser does not start in playwright

This question is quite close to a "need more focus" question. But let's try to give it some focus:

Does Playwright has access to the cPicker object on the page? Does it has access to the window object?

Yes, you can access both cPicker and the window object inside an evaluate call.

Should I trigger the events from the HTML file itself, and in the callbacks, print in the DOM the result, in some dummy-element, and then infer from that dummy element text that the callbacks fired?

Exactly, or you can assign values to a javascript variable:

const cPicker = new ColorPicker({
  onClickOutside(e){
  },
  onInput(color){
    window['color'] = color;
  },
  onChange(color){
    window['result'] = color;
  }
})

And then

it('Should call all callbacks with correct arguments', async() => {
    await page.goto(`http://localhost:5000/tests/visual/basic.html`, {waitUntil:'load'})

    // Wait until the next frame
    await page.evaluate(() => new Promise(requestAnimationFrame))

    // Act
   
    // Assert
    const result = await page.evaluate(() => window['color']);
    // Check the value
})
https://stackoverflow.com/questions/65477895/jest-playwright-test-callbacks-of-event-based-dom-library

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