How to use _dispatchKeyEvent method in Playwright Internal

Best JavaScript code snippet using playwright-internal

PageAgent.js

Source: PageAgent.js Github

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...485 }486 const data = takeScreenshot(content, content.scrollX, content.scrollY, content.innerWidth, content.innerHeight, mimeType, omitDeviceScaleFactor);487 return {data};488 }489 async _dispatchKeyEvent({type, keyCode, code, key, repeat, location, text}) {490 /​/​ key events don't fire if we are dragging.491 if (this._dragging) {492 if (type === 'keydown' && key === 'Escape')493 this._cancelDragIfNeeded();494 return;495 }496 const frame = this._frameTree.mainFrame();497 const tip = frame.textInputProcessor();498 if (key === 'Meta' && Services.appinfo.OS !== 'Darwin')499 key = 'OS';500 else if (key === 'OS' && Services.appinfo.OS === 'Darwin')501 key = 'Meta';502 let keyEvent = new (frame.domWindow().KeyboardEvent)("", {503 key,...

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InputModel.js

Source: InputModel.js Github

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...117 this._lastEventTime = eventData.timestamp;118 if (InputModel.MouseEventTypes.has(eventData.type)) {119 this._dispatchMouseEvent(/​** @type {!MouseEventData} */​ (eventData));120 } else if (InputModel.KeyboardEventTypes.has(eventData.type)) {121 this._dispatchKeyEvent(/​** @type {!KeyboardEventData} */​ (eventData));122 }123 ++this._dispatchingIndex;124 if (this._dispatchingIndex < this._dispatchEventDataList.length) {125 const waitTime = (this._dispatchEventDataList[this._dispatchingIndex].timestamp - this._lastEventTime) /​ 1000;126 this._eventDispatchTimer = setTimeout(this._dispatchNextEvent.bind(this), waitTime);127 } else {128 this._replayStopped();129 }130 }131 /​**132 * @param {!MouseEventData} eventData133 */​134 async _dispatchMouseEvent(eventData) {135 console.assert(InputModel.MouseEventTypes.has(eventData.type));136 const buttons = {0: 'left', 1: 'middle', 2: 'right', 3: 'back', 4: 'forward'};137 const params = {138 type: InputModel.MouseEventTypes.get(eventData.type),139 x: eventData.x,140 y: eventData.y,141 modifiers: eventData.modifiers,142 button: (eventData.type === 'mousedown' || eventData.type === 'mouseup') ? buttons[eventData.button] : 'none',143 buttons: eventData.buttons,144 clickCount: eventData.clickCount,145 deltaX: eventData.deltaX,146 deltaY: eventData.deltaY147 };148 await this._inputAgent.invoke_dispatchMouseEvent(params);149 }150 /​**151 * @param {!KeyboardEventData} eventData152 */​153 async _dispatchKeyEvent(eventData) {154 console.assert(InputModel.KeyboardEventTypes.has(eventData.type));155 const text = eventData.type === 'keypress' ? eventData.key[0] : undefined;156 const params = {157 type: InputModel.KeyboardEventTypes.get(eventData.type),158 modifiers: eventData.modifiers,159 text: text,160 unmodifiedText: text ? text.toLowerCase() : undefined,161 code: eventData.code,162 key: eventData.key163 };164 await this._inputAgent.invoke_dispatchKeyEvent(params);165 }166 _replayStopped() {167 clearTimeout(this._eventDispatchTimer);168 this._reset();169 this._finishCallback();170 }171}172InputModel.MouseEventTypes = new Map([173 ['mousedown', 'mousePressed'], ['mouseup', 'mouseReleased'], ['mousemove', 'mouseMoved'], ['wheel', 'mouseWheel']174]);175InputModel.KeyboardEventTypes = new Map([['keydown', 'keyDown'], ['keyup', 'keyUp'], ['keypress', 'char']]);176SDK.SDKModel.SDKModel.register(InputModel, SDK.SDKModel.Capability.Input, false);177/​** @typedef {{type: string, modifiers: number, timestamp: number}} */​178export let EventData;...

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Using AI Code Generation

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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._dispatchKeyEvent('keydown', { code: 'Enter' });7 await page._dispatchKeyEvent('keyup', { code: 'Enter' });8 await browser.close();9})();10I tried this code but it didn’t work. I was able to get the test to run by adding the following line after the page.goto() call:11await page.evaluate(() => document.querySelector('body').focus());

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Using AI Code Generation

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1const { _dispatchKeyEvent } = require('playwright/​lib/​server/​chromium/​crPage');2const { chromium } = require('playwright');3(async () => {4 const browser = await chromium.launch();5 const context = await browser.newContext();6 const page = await context.newPage();7 await _dispatchKeyEvent(page, 'keydown', {8 });9 await page.screenshot({ path: 'example.png' });10 await browser.close();11})();

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Using AI Code Generation

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1async function dispatchKeyPress(page, key) {2 await page._client.send('Input.dispatchKeyEvent', {3 });4 await page._client.send('Input.dispatchKeyEvent', {5 });6}7(async () => {8 const browser = await chromium.launch();9 const context = await browser.newContext();10 const page = await context.newPage();11 await page.focus('input[name="q"]');12 await dispatchKeyPress(page, 65);13 await browser.close();14})();15page.waitForFileChooser()16page.waitForRequest()17page.waitForResponse()18page.waitForEvent()19page.waitForLoadState()20page.waitForNavigation()21page.waitForSelector()22page.waitForTimeout()23page.waitForURL()24page.waitForWorker()25page.onFileChooser()26page.onRequest()27page.onResponse()28page.onRequestFailed()29page.onRequestFinished()30page.onConsole()31page.onDialog()32page.onDownload()33page.onError()34page.onFrameAttached()35page.onFrameDetached()36page.onFrameNavigated()37page.onLoadState()38page.onPageError()39page.onPopup()40page.onRequestFailed()41page.onRequestFinished()42page.onRequest()43page.onResponse()44page.onWorker()45page.onWebSocket()46page.onWebSocketClosed()47page.onWebSocketCreated()48page.onWebSocketFrameError()49page.onWebSocketFrameReceived()50page.onWebSocketFrameSent()51page.onWebSocketError()

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Using AI Code Generation

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1const { _dispatchKeyEvent } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement.js');2let key = {3};4await _dispatchKeyEvent(page, 'keydown', key);5await _dispatchKeyEvent(page, 'keyup', key);6await _dispatchKeyEvent(page, 'keypress', key);7const { _dispatchMouseEvent } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement.js');8let mouse = {9};10await _dispatchMouseEvent(page, 'mousedown', mouse);11await _dispatchMouseEvent(page, 'mouseup', mouse);12await _dispatchMouseEvent(page, 'mousemove', mouse);13await _dispatchMouseEvent(page, 'click', mouse);14const { _dispatchTouchEvent } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement.js');15let touch = {16};

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Using AI Code Generation

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1const { Page } = require('playwright/​lib/​server/​page');2Page.prototype._dispatchKeyEvent = function (type, event) {3 return this._frameManager.frame(this._mainFrame)._dispatchKeyEvent(type, event);4};5const { chromium } = require('playwright');6(async () => {7 const browser = await chromium.launch();8 const context = await browser.newContext();

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Using AI Code Generation

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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._dispatchKeyEvent('keydown', {7 });8 await page._dispatchKeyEvent('keyup', {9 });10 await context.close();11 await browser.close();12})();13const { chromium } = require('playwright');14(async () => {15 const browser = await chromium.launch();16 const context = await browser.newContext();17 const page = await context.newPage();18 await page._dispatchKeyEvent('keydown', {19 });20 await page._dispatchKeyEvent('keyup', {21 });22 await context.close();23 await browser.close();24})();25const { chromium } = require('playwright');26(async () => {27 const browser = await chromium.launch();28 const context = await browser.newContext();

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Using AI Code Generation

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1const { _dispatchKeyEvent } = require('playwright/​lib/​server/​chromium/​crPage')2const page = await browser.newPage()3await page.evaluate(() => {4 window.addEventListener('keydown', (e) => console.log(e))5})6await page.evaluate(() => {7 window.addEventListener('keyup', (e) => console.log(e))8})9await _dispatchKeyEvent(page, 'keydown', {10 timestamp: Date.now(),11})12await _dispatchKeyEvent(page, 'keyup', {13 timestamp: Date.now(),14})15const { _dispatchKeyEvent } = require('playwright/​lib/​server/​chromium/​crPage')16const page = await browser.newPage()17await page.evaluate(() => {18 window.addEventListener('keydown', (e) => console.log(e))19})20await page.evaluate(() => {21 window.addEventListener('keyup', (e) => console.log(e))22})23await _dispatchKeyEvent(page, 'keydown', {24 timestamp: Date.now(),25})26await _dispatchKeyEvent(page, 'keyup', {27 timestamp: Date.now(),

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Using AI Code Generation

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1const { _dispatchKeyEvent } = require('@playwright/​test/​lib/​server/​frames');2await _dispatchKeyEvent(page, 'keydown', {code: 'KeyA', key: 'a', keyCode: 65, charCode: 65, text: 'a', location: 0, repeat: false, isComposing: false, altKey: false, ctrlKey: false, metaKey: false, shiftKey: false,});3await _dispatchKeyEvent(page, 'keydown', {code: 'KeyA', key: 'a', keyCode: 65, charCode: 65, text: 'a', location: 0, repeat: false, isComposing: false, altKey: false, ctrlKey: false, metaKey: false, shiftKey: false,});4await _dispatchKeyEvent(page, 'keydown', {code: 'KeyA', key: 'a', keyCode: 65, charCode: 65, text: 'a', location: 0, repeat: false, isComposing: false, altKey: false, ctrlKey: false, metaKey: false, shiftKey: false,});5await _dispatchKeyEvent(page, 'keydown', {code: 'KeyA', key: 'a', keyCode: 65, charCode: 65, text: 'a', location: 0, repeat: false, isComposing: false, altKey: false, ctrlKey: false, metaKey: false, shiftKey: false,});6await _dispatchKeyEvent(page, 'keydown',

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Using AI Code Generation

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1const { _dispatchKeyEvent } = require('playwright/​lib/​server/​dom.js');2const { chromium } = require('playwright');3(async () => {4 const browser = await chromium.launch();5 const context = await browser.newContext();6 const page = await context.newPage();7 const search = await page.$('input[name="q"]');8 await search.focus();9 await _dispatchKeyEvent(page, search, 'keydown', {10 });11 await page.screenshot({ path: `example.png` });12 await browser.close();13})();14const { chromium } = require('playwright');15(async () => {16 const browser = await chromium.launch();17 const context = await browser.newContext();18 const page = await context.newPage();19 const search = await page.$('input[name="q"]');20 await search.focus();21 await search.dispatchEvent('keydown', {22 });23 await page.screenshot({ path: `example.png` });24 await browser.close();25})();

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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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