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How to use onBeforeInputAction method in Playwright Internal

Best JavaScript code snippet using playwright-internal

debugger.js

Source:debugger.js

...45  async onBeforeCall(sdkObject, metadata) {46    if (this._muted) return;47    if (shouldPauseOnCall(sdkObject, metadata) || this._pauseOnNextStatement && shouldPauseBeforeStep(metadata)) await this.pause(sdkObject, metadata);48  }49  async onBeforeInputAction(sdkObject, metadata) {50    if (this._muted) return;51    if (this._enabled && this._pauseOnNextStatement) await this.pause(sdkObject, metadata);52  }53  async pause(sdkObject, metadata) {54    if (this._muted) return;55    this._enabled = true;56    metadata.pauseStartTime = (0, _utils.monotonicTime)();57    const result = new Promise(resolve => {58      this._pausedCallsMetadata.set(metadata, {59        resolve,60        sdkObject61      });62    });63    this.emit(Debugger.Events.PausedStateChanged);...

progress.js

Source:progress.js

...75      throwIfAborted: () => {76        if (this._state === 'aborted') throw new AbortedError();77      },78      beforeInputAction: async element => {79        await this.instrumentation.onBeforeInputAction(this.sdkObject, this.metadata, element);80      },81      metadata: this.metadata82    };83    const timeoutError = new _errors.TimeoutError(`Timeout ${this._timeout}ms exceeded.`);84    const timer = setTimeout(() => this._forceAbortPromise.reject(timeoutError), progress.timeUntilDeadline());85    try {86      const promise = task(progress);87      const result = await Promise.race([promise, this._forceAbortPromise]);88      this._state = 'finished';89      return result;90    } catch (e) {91      this._state = 'aborted';92      await Promise.all(this._cleanups.splice(0).map(runCleanup));93      throw e;...

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.type('input[name="q"]', 'playwright');7  await page.keyboard.press('Enter');8  await page.waitForNavigation();9  await page.evaluate(() => {10  });11  await page.waitForSelector('text=Playwright');12  await page.screenshot({ path: 'playwright.png' });13  await browser.close();14})();15const { chromium, webkit, firefox } = require('playwright');16(async () => {17  const browser = await chromium.launch({ headless: false });18  const context = await browser.newContext();19  const page = await context.newPage();20  await page.type('input[name="q"]', 'playwright');21  await page.keyboard.press('Enter');22  await page.waitForNavigation();23  await page.evaluate(() => {24  });25  await page.waitForSelector('text=Playwright');26  await page.screenshot({ path: 'playwright.png' });27  await browser.close();28})();29const { chromium, webkit, firefox } = require('playwright');30(async () => {31  const browser = await chromium.launch({ headless: false });32  const context = await browser.newContext();33  const page = await context.newPage();34  await page.type('input[name="q"]', 'playwright');35  await page.keyboard.press('Enter');36  await page.waitForNavigation();37  await page.evaluate(() => {38  });39  await page.waitForSelector('text=Playwright');40  await page.screenshot({ path: 'playwright.png' });41  await browser.close();42})();43const { chromium, webkit, firefox } = require('playwright

Using AI Code Generation

1const { chromium } = require('playwright');2const { onBeforeInputAction } = require('playwright/lib/internal/input');3(async () => {4  const browser = await chromium.launch();5  const page = await browser.newPage();6  onBeforeInputAction((event, context) => {7    console.log('before input action', event, context);8  });9  await page.click('text=Get started');10  await page.click('text=Docs');11  await page.click('text=API');12  await page.click('text=class: Browser');13  await browser.close();14})();15before input action { type: 'mouseDown', button: 'left', x: 296, y: 154, clickCount: 1, modifiers: 0 } { isTrusted: true }16before input action { type: 'mouseUp', button: 'left', x: 296, y: 154, clickCount: 1, modifiers: 0 } { isTrusted: true }17before input action { type: 'mouseDown', button: 'left', x: 295, y: 207, clickCount: 1, modifiers: 0 } { isTrusted: true }18before input action { type: 'mouseUp', button: 'left', x: 295, y: 207, clickCount: 1, modifiers: 0 } { isTrusted: true }19before input action { type: 'mouseDown', button: 'left', x: 294, y: 261, clickCount: 1, modifiers: 0 } { isTrusted: true }20before input action { type: 'mouseUp', button: 'left', x: 294, y: 261, clickCount: 1, modifiers: 0 } { isTrusted: true }21before input action { type: 'mouseDown', button: 'left', x: 292, y: 312, clickCount: 1, modifiers: 0 } { isTrusted: true }22before input action { type: 'mouseUp', button: 'left', x: 292, y: 312, clickCount: 1, modifiers: 0 } { isTrusted: true }

Using AI Code Generation

1const { chromium } = require('playwright');2(async () => {3  const browser = await chromium.launch();4  const page = await browser.newPage();5  await page.waitForSelector('input[name="q"]');6  await page.evaluate(async () => {7    await window.playwright._enableBeforeInputAction();8    window.playwright._beforeInputActionLog = [];9    window.addEventListener('beforeinput', event => {10      window.playwright._beforeInputActionLog.push(event);11    });12  });13  await page.type('input[name="q"]', 'Hello World');14  console.log(await page.evaluate(() => window.playwright._beforeInputActionLog));15  await browser.close();16})();17  {18    "target": {19      "shadowRoot": {},20      "children": {},21      "firstChild": {},22      "lastChild": {},23      "firstElementChild": {},24      "lastElementChild": {},25      "childNodes": {},26      "parentElement": {},27      "parentNode": {},28      "previousSibling": {},29      "nextSibling": {},30      "previousElementSibling": {},31      "nextElementSibling": {},32      "ownerDocument": {},33      "attributes": {},34      "dataset": {},35      "classList": {},

Using AI Code Generation

1const { Playwright } = require('@playwright/test');2Playwright.prototype.onBeforeInputAction = async (action, page) => {3  console.log('onBeforeInputAction: ' + action);4  await page.waitForTimeout(1000);5};6Playwright.prototype.onAfterInputAction = async (action, page) => {7  console.log('onAfterInputAction: ' + action);8  await page.waitForTimeout(2000);9};10Playwright.prototype.onBeforeInputAction = async (action, page) => {11  console.log('onBeforeInputAction: ' + action);12  await page.waitForTimeout(1000);13};14Playwright.prototype.onAfterInputAction = async (action, page) => {15  console.log('onAfterInputAction: ' + action);16  await page.waitForTimeout(2000);17};18Playwright.prototype.onBeforeInputAction = async (action, page) => {19  console.log('onBeforeInputAction: ' + action);20  await page.waitForTimeout(1000);21};22Playwright.prototype.onAfterInputAction = async (action, page) => {23  console.log('onAfterInputAction: ' + action);24  await page.waitForTimeout(2000);25};26Playwright.prototype.onBeforeInputAction = async (action, page) => {27  console.log('onBeforeInputAction: ' + action);28  await page.waitForTimeout(1000);29};30Playwright.prototype.onAfterInputAction = async (action, page) => {31  console.log('onAfterInputAction: ' + action);32  await page.waitForTimeout(2000);33};34Playwright.prototype.onBeforeInputAction = async (action, page) => {35  console.log('onBeforeInputAction: ' + action);36  await page.waitForTimeout(1000);37};

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  await page.screenshot({path: 'google.png'});7  await browser.close();8})();9const { chromium } = require('playwright');10(async () => {11  const browser = await chromium.launch();12  const context = await browser.newContext();13  const page = await context.newPage();14  await page.screenshot({path: 'google.png'});15  await browser.close();16})();17const { chromium } = require('playwright');18(async () => {19  const browser = await chromium.launch();20  const context = await browser.newContext();21  const page = await context.newPage();22  await page.screenshot({path: 'google.png'});23  await browser.close();24})();25const { chromium } = require('playwright');26(async () => {27  const browser = await chromium.launch();28  const context = await browser.newContext();29  const page = await context.newPage();30  await page.screenshot({path: 'google.png'});31  await browser.close();32})();33const { chromium } = require('playwright');34(async () => {35  const browser = await chromium.launch();36  const context = await browser.newContext();37  const page = await context.newPage();38  await page.screenshot({path: 'google.png'});39  await browser.close();40})();

Using AI Code Generation

1const { chromium } = require("playwright");2const { PlaywrightInternal } = require("playwright/lib/server/playwright");3(async () => {4  const browser = await chromium.launch();5  const context = await browser.newContext();6  const page = await context.newPage();7  const playwrightInternal = new PlaywrightInternal(browser);8  playwrightInternal.onBeforeInputAction = async (action) => {9    await new Promise((resolve) => setTimeout(resolve, 1000));10  };11  await page.fill("input", "hello");12  await page.click("input");13  await page.keyboard.type("world");14  await page.close();15  await browser.close();16})();

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  await page.evaluate(() => {7    document.querySelector('input[name="q"]').addEventListener('beforeinput', (e) => {8      e.preventDefault();9      const inputEvent = new InputEvent('input', { data: 'test', inputType: 'insertText' });10      e.target.dispatchEvent(inputEvent);11    }, true);12  });13  await page.type('input[name="q"]', 'test');14  await page.screenshot({ path: `example.png` });15  await browser.close();16})();

Using AI Code Generation

1const { chromium } = require('playwright');2(async () => {3  const browser = await chromium.launch();4  const page = await browser.newPage();5  await page.keyboard.type('Hello World');6  await browser.close();7})();

Using AI Code Generation

1const { chromium } = require('playwright');2const pw = require('playwright/lib/server/chromium/crInput');3const { onBeforeInputAction } = pw;4(async () => {5  const browser = await chromium.launch();6  const context = await browser.newContext();7  const page = await context.newPage();8  await page.waitForSelector('input');9  const input = await page.$('input');10  await input.evaluate((input) => {11    input.addEventListener('beforeinput', (e) => {12      const text = e.data;13      onBeforeInputAction(input, e, text);14      e.preventDefault();15    });16  });17  await page.type('input', 'test');18  await page.screenshot({ path: 'example.png' });19  await browser.close();20})();21const { chromium } = require('playwright');22const pw = require('playwright/lib/server/chromium/crInput');23const { onBeforeInputAction } = pw;24(async () => {25  const browser = await chromium.launch();26  const context = await browser.newContext();27  const page = await context.newPage();28  await page.waitForSelector('input');29  const input = await page.$('input');30  await input.evaluate((input) => {31    input.addEventListener('beforeinput', (e) => {32      const text = e.data;33      onBeforeInputAction(input, e, text);34      e.preventDefault();35    });36  });37  await page.type('input', 'test');38  await page.screenshot({ path: 'example.png' });39  await browser.close();40})();41const { chromium } = require('playwright');42const pw = require('playwright/lib/server/chromium/crInput');43const { onBeforeInputAction } =

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.
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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.
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