How to use addPageBinding method in Playwright Internal

Best JavaScript code snippet using playwright-internal

page.js

Source:page.js

...487    }488  }489}490exports.PageBinding = PageBinding;491function addPageBinding(bindingName, needsHandle) {492  const binding = globalThis[bindingName];493  if (binding.__installed) return;494  globalThis[bindingName] = (...args) => {495    const me = globalThis[bindingName];496    if (needsHandle && args.slice(1).some(arg => arg !== undefined)) throw new Error(`exposeBindingHandle supports a single argument, ${args.length} received`);497    let callbacks = me['callbacks'];498    if (!callbacks) {499      callbacks = new Map();500      me['callbacks'] = callbacks;501    }502    const seq = (me['lastSeq'] || 0) + 1;503    me['lastSeq'] = seq;504    let handles = me['handles'];505    if (!handles) {...

helper.js

Source:helper.js

...125    }126    return `(${fun})(${args.map(serializeArgument).join(',')})`;127}128function pageBindingInitString(type, name) {129    function addPageBinding(type, bindingName) {130        /* Cast window to any here as we're about to add properties to it131         * via win[bindingName] which TypeScript doesn't like.132         */133        const win = window;134        const binding = win[bindingName];135        win[bindingName] = (...args) => {136            const me = window[bindingName];137            let callbacks = me.callbacks;138            if (!callbacks) {139                callbacks = new Map();140                me.callbacks = callbacks;141            }142            const seq = (me.lastSeq || 0) + 1;143            me.lastSeq = seq;...

expose-function.js

Source:expose-function.js

...4  const _pageBindings = new Map()5  return function exposeFunctionAgain(name, puppeteerFunction) {6    const expression = `(${addPageBinding.toString()})("${name}")`;7    return page.evaluate(expression)8    function addPageBinding(bindingName) {9      console.log('MY ADDING page binding', bindingName, 'on', document.location.href)10      const win = window;11      const binding = win[`${bindingName}`];12      console.log('binding', binding.toString())13      win[bindingName] = (...args) => {14        const me = window[bindingName];15        let callbacks = me.callbacks;16        if (!callbacks) {17          callbacks = new Map();18          me.callbacks = callbacks;19        }20        const seq = (me.lastSeq || 0) + 1;21        me.lastSeq = seq;22        const promise = new Promise((resolve, reject) => callbacks.set(seq, { resolve, reject }));...

Using AI Code Generation

1const { chromium, webkit, firefox } = require('playwright');2(async () => {3  const browser = await chromium.launch({ headless: false });4  const context = await browser.newContext();5  const page = await context.newPage();6  await page.addBinding('bindingName', () => { console.log('hello'); });7  await page.evaluate(() => {8    bindingName();9  });10  await browser.close();11})();12const { chromium, webkit, firefox } = require('playwright');13(async () => {14  const browser = await chromium.launch({ headless: false });15  const context = await browser.newContext();16  await context.addInitScript(() => { console.log('hello'); });17  const page = await context.newPage();18  await browser.close();19})();20const { chromium, webkit, firefox } = require('playwright');21(async () => {22  const browser = await chromium.launch({ headless: false });23  const context = await browser.newContext();24  await context.addInitScript({ path: './path/to/file.js' });25  const page = await context.newPage();26  await browser.close();27})();

Using AI Code Generation

1const { chromium } = require('playwright');2(async () => {3  const browser = await chromium.launch();4  const context = await browser.newContext();5  const page = await context.newPage();6  page.on('console', consoleObj => console.log(consoleObj.text()));7  await page.addInitScript(() => {8    window.playwright = {9      addPageBinding: (name, callback) => {10        window[name] = callback;11      },12    };13  });14  await page.addPageBinding('foo', (arg) => {15    console.log(arg);16  });17  await page.evaluate(() => {18    foo('bar');19  });20  await browser.close();21})();22const { chromium } = require('playwright');23(async () => {24  const browser = await chromium.launch();25  const context = await browser.newContext();26  const page = await context.newPage();27  page.on('console', consoleObj => console.log(consoleObj.text()));28  await page.exposeBinding('foo', (source, arg) => {29    console.log(arg);30  });31  await page.evaluate(() => {32    foo('bar');33  });34  await browser.close();35})();

Using AI Code Generation

1const { chromium } = require('playwright');2const { addPageBinding } = require('playwright/lib/server/pageBinding.js');3(async () => {4  const browser = await chromium.launch();5  const context = await browser.newContext();6  const page = await context.newPage();7  await addPageBinding(page, 'myBinding', (source, target) => {8    console.log('myBinding', source, target);9  });10  await browser.close();11})();

Using AI Code Generation

1const { addPageBinding } = require('playwright/lib/server/chromium/crPage');2const { Page } = require('playwright/lib/server/chromium/crPage');3const { Frame } = require('playwright/lib/server/chromium/crPage');4const { addBinding } = require('playwright/lib/server/cjs/polyfills/bindings');5const { BindingCall } = require('playwright/lib/server/cjs/polyfills/bindings');6const { addBinding } = require('playwright/lib/server/cjs/polyfills/bindings');7const { BindingCall } = require('playwright/lib/server/cjs/polyfills/bindings');8const { addBinding } = require('playwright/lib/server/cjs/polyfills/bindings');9const { BindingCall } = require('playwright/lib/server/cjs/polyfills/bindings');10const { addBinding } = require('playwright/lib/server/cjs/polyfills/bindings');11const { BindingCall } = require('playwright/lib/server/cjs/polyfills/bindings');12const { addBinding } = require('playwright/lib/server/cjs/polyfills/bindings');13const { BindingCall } = require('playwright/lib/server/cjs/polyfills/bindings');14const { addBinding } = require('playwright/lib/server/cjs/polyfills/bindings');15const { BindingCall } = require('playwright/lib/server/cjs/polyfills/bindings');16const { addBinding } = require('playwright/lib/server/cjs/polyfills/bindings');17const { BindingCall } = require('playwright/lib/server/cjs/polyfills/bindings');18const { addBinding } = require('playwright/lib/server/cjs/polyfills/bindings');19const { BindingCall } = require('playwright/lib/server/cjs/polyfills/bindings');20const { addBinding } = require

Using AI Code Generation

1const playwright = require('playwright');2(async () => {3  const browser = await playwright['chromium'].launch();4  const page = await browser.newPage();5  await page.addBinding('foo', () => 'bar');6  const result = await page.evaluate(() => foo);7  console.log(result);8  await browser.close();9})();10const playwright = require('playwright');11(async () => {12  const browser = await playwright['chromium'].launch();13  const page = await browser.newPage();14  await page.exposeBinding('foo', () => 'bar');15  const result = await page.evaluate(() => foo);16  console.log(result);17  await browser.close();18})();19const playwright = require('playwright');20(async () => {21  const browser = await playwright['chromium'].launch();22  const page = await browser.newPage();23  await page.exposeBinding('foo', () => 'bar', false);24  const result = await page.evaluate(() => foo);25  console.log(result);26  await browser.close();27})();28const playwright = require('playwright');29(async () => {30  const browser = await playwright['chromium'].launch();31  const page = await browser.newPage();32  await page.exposeBinding('foo', () => 'bar', true);33  const result = await page.evaluate(() => foo);34  console.log(result);35  await browser.close();36})();37const playwright = require('playwright');38(async () => {39  const browser = await playwright['chromium'].launch();40  const page = await browser.newPage();41  await page.exposeBinding('foo', () => 'bar', { handle: true });42  const result = await page.evaluate(() => foo);43  console.log(result);44  await browser.close();45})();46const playwright = require('playwright');47(async () => {48  const browser = await playwright['chromium'].launch();49  const page = await browser.newPage();50  await page.exposeBinding('foo', () => 'bar', { handle

Using AI Code Generation

1const { addPageBinding } = require('playwright/lib/server/chromium/crPage');2const { Page } = require('playwright/lib/server/chromium/crPage');3const { Frame } = require('playwright/lib/server/chromium/crPage');4const { FrameManager } = require('playwright/lib/server/chromium/crPage');5const { CDPSession } = require('playwright/lib/server/chromium/cdpsession');6const { addPageBinding } = require('playwright/lib/server/chromium/crPage');7const { Page } = require('playwright/lib/server/chromium/crPage');8const { Frame } = require('playwright/lib/server/chromium/crPage');9const { FrameManager } = require('playwright/lib/server/chromium/crPage');10const { CDPSession } = require('playwright/lib/server/chromium/cdpsession');11const { addPageBinding } = require('playwright/lib/server/chromium/crPage');12const { Page } = require('playwright/lib/server/chromium/crPage');13const { Frame } = require('playwright/lib/server/chromium/crPage');14const { FrameManager } = require('playwright/lib/server/chromium/crPage');15const { CDPSession } = require('playwright/lib/server/chromium/cdpsession');16const { addPageBinding } = require('playwright/lib/server/chromium/crPage');17const { Page } = require('playwright/lib/server/chromium/crPage');18const { Frame } = require('playwright/lib/server/chromium/crPage');19const { FrameManager } = require('playwright/lib/server/chromium/crPage');20const { CDPSession } = require('playwright/lib/server/chromium/cdpsession');21const { addPageBinding } = require('playwright/lib/server/chromium/crPage');22const { Page } = require('playwright/lib/server/chromium/crPage');23const { Frame } = require('playwright/lib/server/chromium/crPage');24const { FrameManager } = require('playwright/lib/server/chromium/crPage');25const { CDPSession }

Using AI Code Generation

1const { addPageBinding } = require('playwright');2const { Page } = require('playwright/lib/server/page');3Page.prototype.addBinding = addPageBinding;4const { chromium } = require('playwright');5(async () => {6  const browser = await chromium.launch();7  const context = await browser.newContext();8  const page = await context.newPage();9  await page.addBinding('foo', () => 'bar');10  const result = await page.evaluate(() => {11    return foo;12  });13  console.log(result);14  await browser.close();15})();16const { addBinding } = require('playwright');17const { Page } = require('playwright/lib/server/page');18Page.prototype.addBinding = addBinding;19const { chromium } = require('playwright');20(async () => {21  const browser = await chromium.launch();22  const context = await browser.newContext();23  const page = await context.newPage();24  await page.addBinding('foo', () => 'bar');25  const result = await page.evaluate(() => {26    return foo;27  });28  console.log(result);29  await browser.close();30})();31const { addBinding } = require('playwright');32const { Page } = require('playwright/lib/server/page');33Page.prototype.addBinding = addBinding;34const { chromium } = require('playwright');35(async () => {36  const browser = await chromium.launch();37  const context = await browser.newContext();38  const page = await context.newPage();39  await page.addBinding('foo', () => 'bar');40  const result = await page.evaluate(() => {41    return foo;42  });43  console.log(result);44  await browser.close();45})();46const { addBinding } = require('playwright');47const { Page } = require('playwright/lib/server/page');48Page.prototype.addBinding = addBinding;49const { chromium } = require('playwright');50(async () => {51  const browser = await chromium.launch();52  const context = await browser.newContext();

Using AI Code Generation

1const { addPageBinding } = require('playwright/lib/server/page');2const { Page } = require('playwright/lib/server/chromium/crPage');3const { Frame } = require('playwright/lib/server/chromium/crFrame');4const { ElementHandle } = require('playwright/lib/server/chromium/crElementHandle');5addPageBinding(Page, 'playwrightAddBinding', bindingSource => {6  const binding = new Function('source', bindingSource);7  return binding.call(null, bindingSource);8});9addPageBinding(Frame, 'playwrightAddBinding', bindingSource => {10  const binding = new Function('source', bindingSource);11  return binding.call(null, bindingSource);12});13addPageBinding(ElementHandle, 'playwrightAddBinding', bindingSource => {14  const binding = new Function('source', bindingSource);15  return binding.call(null, bindingSource);16});17const { addBinding } = require('playwright/lib/server/page');18const { Page } = require('playwright/lib/server/chromium/crPage');19const { Frame } = require('playwright/lib/server/chromium/crFrame');20const { ElementHandle } = require('playwright/lib/server/chromium/crElementHandle');21addBinding(Page, 'playwrightAddBinding', bindingSource => {22  const binding = new Function('source', bindingSource);23  return binding.call(null, bindingSource);24});25addBinding(Frame, 'playwrightAddBinding', bindingSource => {26  const binding = new Function('source', bindingSource);27  return binding.call(null, bindingSource);28});29addBinding(ElementHandle, 'playwrightAddBinding', bindingSource => {30  const binding = new Function('source', bindingSource);31  return binding.call(null, bindingSource);32});33const { addInitScript } = require('playwright/lib/server/page');34const { Page } = require('playwright/lib/server/chromium/crPage');35const { Frame } = require('playwright/lib/server/chromium/crFrame');36const { ElementHandle } = require('

Playwright tutorial

LambdaTest’s Playwright tutorial will give you a broader idea about the Playwright automation framework, its unique features, and use cases with examples to exceed your understanding of Playwright testing. This tutorial will give A to Z guidance, from installing the Playwright framework to some best practices and advanced concepts.

Chapters:

What is Playwright : Playwright is comparatively new but has gained good popularity. Get to know some history of the Playwright with some interesting facts connected with it.
How To Install Playwright : Learn in detail about what basic configuration and dependencies are required for installing Playwright and run a test. Get a step-by-step direction for installing the Playwright automation framework.
Playwright Futuristic Features: Launched in 2020, Playwright gained huge popularity quickly because of some obliging features such as Playwright Test Generator and Inspector, Playwright Reporter, Playwright auto-waiting mechanism and etc. Read up on those features to master Playwright testing.
What is Component Testing: Component testing in Playwright is a unique feature that allows a tester to test a single component of a web application without integrating them with other elements. Learn how to perform Component testing on the Playwright automation framework.
Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
Functions and Selectors in Playwright: Learn how to launch the Chromium browser with Playwright. Also, gain a better understanding of some important functions like “BrowserContext,” which allows you to run multiple browser sessions, and “newPage” which interacts with a page.
Handling Alerts and Dropdowns in Playwright : Playwright interact with different types of alerts and pop-ups, such as simple, confirmation, and prompt, and different types of dropdowns, such as single selector and multi-selector get your hands-on with handling alerts and dropdown in Playright testing.
Playwright vs Puppeteer: Get to know about the difference between two testing frameworks and how they are different than one another, which browsers they support, and what features they provide.
Run Playwright Tests on LambdaTest: Playwright testing with LambdaTest leverages test performance to the utmost. You can run multiple Playwright tests in Parallel with the LammbdaTest test cloud. Get a step-by-step guide to run your Playwright test on the LambdaTest platform.
Playwright Python Tutorial: Playwright automation framework support all major languages such as Python, JavaScript, TypeScript, .NET and etc. However, there are various advantages to Python end-to-end testing with Playwright because of its versatile utility. Get the hang of Playwright python testing with this chapter.
Playwright End To End Testing Tutorial: Get your hands on with Playwright end-to-end testing and learn to use some exciting features such as TraceViewer, Debugging, Networking, Component testing, Visual testing, and many more.
Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.