How to use executeDirectDispatch method in Playwright Internal

Best JavaScript code snippet using playwright-internal

EventPluginUtils.js

Source: EventPluginUtils.js Github

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...152 * dealing with "direct" dispatches.153 *154 * @return The return value of executing the single dispatch.155 */​156function executeDirectDispatch(event) {157 if ("production" !== process.env.NODE_ENV) {158 validateEventDispatches(event);159 }160 var dispatchListener = event._dispatchListeners;161 var dispatchID = event._dispatchIDs;162 ("production" !== process.env.NODE_ENV ? invariant(163 !Array.isArray(dispatchListener),164 'executeDirectDispatch(...): Invalid `event`.'165 ) : invariant(!Array.isArray(dispatchListener)));166 var res = dispatchListener ?167 dispatchListener(event, dispatchID) :168 null;169 event._dispatchListeners = null;170 event._dispatchIDs = null;171 return res;172}173/​**174 * @param {SyntheticEvent} event175 * @return {bool} True iff number of dispatches accumulated is greater than 0.176 */​177function hasDispatches(event) {178 return !!event._dispatchListeners;...

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12d1a3EventPluginUtils.js

Source: 12d1a3EventPluginUtils.js Github

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...119event._dispatchInstances=null;120event._dispatchListeners=null;121return ret;122}123function executeDirectDispatch(event){124if(__DEV__){125validateEventDispatches(event);126}127var dispatchListener=event._dispatchListeners;128var dispatchInstance=event._dispatchInstances;129invariant(130!Array.isArray(dispatchListener),131'executeDirectDispatch(...): Invalid `event`.');132event.currentTarget=dispatchListener?EventPluginUtils.getNodeFromInstance(dispatchInstance):null;133var res=dispatchListener?dispatchListener(event):null;134event.currentTarget=null;135event._dispatchListeners=null;136event._dispatchInstances=null;137return res;138}139function hasDispatches(event){140return!!event._dispatchListeners;141}142var EventPluginUtils={143isEndish:isEndish,144isMoveish:isMoveish,145isStartish:isStartish,...

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ce23cbEventPluginUtils.js

Source: ce23cbEventPluginUtils.js Github

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...119event._dispatchInstances=null;120event._dispatchListeners=null;121return ret;122}123function executeDirectDispatch(event){124if(__DEV__){125validateEventDispatches(event);126}127var dispatchListener=event._dispatchListeners;128var dispatchInstance=event._dispatchInstances;129invariant(130!Array.isArray(dispatchListener),131'executeDirectDispatch(...): Invalid `event`.');132event.currentTarget=dispatchListener?EventPluginUtils.getNodeFromInstance(dispatchInstance):null;133var res=dispatchListener?dispatchListener(event):null;134event.currentTarget=null;135event._dispatchListeners=null;136event._dispatchInstances=null;137return res;138}139function hasDispatches(event){140return!!event._dispatchListeners;141}142var EventPluginUtils={143isEndish:isEndish,144isMoveish:isMoveish,145isStartish:isStartish,...

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55777fEventPluginUtils.js

Source: 55777fEventPluginUtils.js Github

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...119event._dispatchInstances=null;120event._dispatchListeners=null;121return ret;122}123function executeDirectDispatch(event){124if(__DEV__){125validateEventDispatches(event);126}127var dispatchListener=event._dispatchListeners;128var dispatchInstance=event._dispatchInstances;129invariant(130!Array.isArray(dispatchListener),131'executeDirectDispatch(...): Invalid `event`.');132event.currentTarget=dispatchListener?EventPluginUtils.getNodeFromInstance(dispatchInstance):null;133var res=dispatchListener?dispatchListener(event):null;134event.currentTarget=null;135event._dispatchListeners=null;136event._dispatchInstances=null;137return res;138}139function hasDispatches(event){140return!!event._dispatchListeners;141}142var EventPluginUtils={143isEndish:isEndish,144isMoveish:isMoveish,145isStartish:isStartish,...

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7193daEventPluginUtils.js

Source: 7193daEventPluginUtils.js Github

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...88 event._dispatchInstances = null;89 event._dispatchListeners = null;90 return ret;91}92function executeDirectDispatch(event) {93 if (__DEV__) {94 validateEventDispatches(event);95 }96 var dispatchListener = event._dispatchListeners;97 var dispatchInstance = event._dispatchInstances;98 invariant(!Array.isArray(dispatchListener), 'executeDirectDispatch(...): Invalid `event`.');99 event.currentTarget = dispatchListener ? EventPluginUtils.getNodeFromInstance(dispatchInstance) : null;100 var res = dispatchListener ? dispatchListener(event) : null;101 event.currentTarget = null;102 event._dispatchListeners = null;103 event._dispatchInstances = null;104 return res;105}106function hasDispatches(event) {107 return !!event._dispatchListeners;108}109var EventPluginUtils = {110 isEndish: isEndish,111 isMoveish: isMoveish,112 isStartish: isStartish,...

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7cab9b1f4d2a502fd27b0a837c64a8d246e401EventPluginUtils.js

Source: 7cab9b1f4d2a502fd27b0a837c64a8d246e401EventPluginUtils.js Github

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...84 event._dispatchInstances = null;85 event._dispatchListeners = null;86 return ret;87}88function executeDirectDispatch(event) {89 if (__DEV__) {90 validateEventDispatches(event);91 }92 var dispatchListener = event._dispatchListeners;93 var dispatchInstance = event._dispatchInstances;94 invariant(!Array.isArray(dispatchListener), 'executeDirectDispatch(...): Invalid `event`.');95 event.currentTarget = dispatchListener ? EventPluginUtils.getNodeFromInstance(dispatchInstance) : null;96 var res = dispatchListener ? dispatchListener(event) : null;97 event.currentTarget = null;98 event._dispatchListeners = null;99 event._dispatchInstances = null;100 return res;101}102function hasDispatches(event) {103 return !!event._dispatchListeners;104}105var EventPluginUtils = {106 isEndish: isEndish,107 isMoveish: isMoveish,108 isStartish: isStartish,...

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e2bd6a2e9fd814d0497873925663c5c23ac231EventPluginUtils.js

Source: e2bd6a2e9fd814d0497873925663c5c23ac231EventPluginUtils.js Github

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...84 event._dispatchInstances = null;85 event._dispatchListeners = null;86 return ret;87}88function executeDirectDispatch(event) {89 if (__DEV__) {90 validateEventDispatches(event);91 }92 var dispatchListener = event._dispatchListeners;93 var dispatchInstance = event._dispatchInstances;94 invariant(!Array.isArray(dispatchListener), 'executeDirectDispatch(...): Invalid `event`.');95 event.currentTarget = dispatchListener ? EventPluginUtils.getNodeFromInstance(dispatchInstance) : null;96 var res = dispatchListener ? dispatchListener(event) : null;97 event.currentTarget = null;98 event._dispatchListeners = null;99 event._dispatchInstances = null;100 return res;101}102function hasDispatches(event) {103 return !!event._dispatchListeners;104}105var EventPluginUtils = {106 isEndish: isEndish,107 isMoveish: isMoveish,108 isStartish: isStartish,...

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00c680fdf9da442f92abc53037dc70ddd2a493EventPluginUtils.js

Source: 00c680fdf9da442f92abc53037dc70ddd2a493EventPluginUtils.js Github

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...84 event._dispatchInstances = null;85 event._dispatchListeners = null;86 return ret;87}88function executeDirectDispatch(event) {89 if (__DEV__) {90 validateEventDispatches(event);91 }92 var dispatchListener = event._dispatchListeners;93 var dispatchInstance = event._dispatchInstances;94 invariant(!Array.isArray(dispatchListener), 'executeDirectDispatch(...): Invalid `event`.');95 event.currentTarget = dispatchListener ? EventPluginUtils.getNodeFromInstance(dispatchInstance) : null;96 var res = dispatchListener ? dispatchListener(event) : null;97 event.currentTarget = null;98 event._dispatchListeners = null;99 event._dispatchInstances = null;100 return res;101}102function hasDispatches(event) {103 return !!event._dispatchListeners;104}105var EventPluginUtils = {106 isEndish: isEndish,107 isMoveish: isMoveish,108 isStartish: isStartish,...

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Using AI Code Generation

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1const playwright = require('playwright');2(async () => {3 const browser = await playwright.chromium.launch();4 const context = await browser.newContext();5 const page = await context.newPage();6 await page.evaluate(() => {7 window.playwright._internal.executeDirectDispatch({ type: 'keydown', modifiers: 0, windowsVirtualKeyCode: 0x41, code: 'KeyA', key: 'a' });8 });9 await page.screenshot({ path: 'a.png' });10 await browser.close();11})();

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Using AI Code Generation

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1const playwright = require('playwright');2(async () => {3 const browser = await playwright.chromium.launch();4 const page = await browser.newPage();5 await page.evaluate(() => {6 window['playwrightDispatch'] = (event) => {7 if (event.method === 'Page.navigate') {8 return Promise.resolve({ error: { message: 'Navigation disabled' }});9 }10 return window['playwrightDispatch'](event);11 };12 });13 await browser.close();14})();

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Using AI Code Generation

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1const { chromium } = require('playwright');2const path = require('path');3(async () => {4 const browser = await chromium.launch();5 const page = await browser.newPage();6 const userAgent = await page.evaluate(() => navigator.userAgent);7 console.log(userAgent);8 await page.close();9 await browser.close();10})();11const { chromium } = require('playwright');12const path = require('path');13(async () => {14 const browser = await chromium.launch();15 const page = await browser.newPage();16 await page.evaluate(() => {17 const userAgent = navigator.userAgent;18 console.log(userAgent);19 });20 await page.close();21 await browser.close();22})();23const { chromium } = require('playwright');24const path = require('path');25(async () => {26 const browser = await chromium.launch();27 const page = await browser.newPage();28 await page.evaluate(() => {29 const userAgent = navigator.userAgent;30 console.log(userAgent);31 });32 await page.close();33 await browser.close();34})();35const { chromium } = require('playwright');36const path = require('path');37(async () => {38 const browser = await chromium.launch();39 const page = await browser.newPage();40 await page.evaluate(() => {41 const userAgent = navigator.userAgent;42 console.log(userAgent);43 });44 await page.close();45 await browser.close();46})();47const { chromium } = require('playwright');48const path = require('path');49(async () => {50 const browser = await chromium.launch();51 const page = await browser.newPage();52 await page.evaluate(() => {53 const userAgent = navigator.userAgent;54 console.log(userAgent);55 });56 await page.close();

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Using AI Code Generation

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1const { executeDirectDispatch } = require('playwright/​lib/​client/​transport');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 page.click('text="Docs"');8 await page.waitForSelector('text="API"');9 const selector = 'text="API"';10 const options = { timeout: 30000 };11 const method = 'click';12 const args = [selector, options];13 await executeDirectDispatch(page, method, args);14 await browser.close();15})();

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Using AI Code Generation

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1const { chromium } = require('playwright');2const { executeDirectDispatch } = require('playwright/​lib/​server/​transport');3(async () => {4 const browser = await chromium.launch();5 const context = await browser.newContext();6 const page = await context.newPage();7 const result = await executeDirectDispatch(page, 'Page.printToPDF', { transferMode: 'ReturnAsStream', printBackground: true });8 const file = fs.createWriteStream("./​test.pdf");9 const stream = await result.stream();10 stream.pipe(file);11 stream.on("end", () => {12 console.log("PDF saved");13 });14 await browser.close();15})();16const { chromium } = require('playwright');17const { executeDirectDispatch } = require('playwright/​lib/​server/​transport');18(async () => {19 const browser = await chromium.launch();20 const context = await browser.newContext();21 const page = await context.newPage();22 const result = await executeDirectDispatch(page, 'Page.printToPDF', { transferMode: 'ReturnAsStream', printBackground: true });23 const file = fs.createWriteStream("./​test.pdf");24 const stream = await result.stream();25 stream.pipe(file);26 stream.on("end", () => {27 console.log("PDF saved");28 });29 await browser.close();30})();31 at CDPSession.send (C:\Users\user\Documents\playwright\playwright\lib\server\cdp.js:152:13)32 at CDPSession.send (C:\Users\user\Documents\playwright\playwright\lib\server\instrumentation.js:30:27)33 at CDPSession.send (C:\Users\user\Documents\playwright\playwright\lib\server\instrumentation.js:30:27)34 at CDPSession.send (C:\Users\user\Documents\playwright\playwright\lib\server\instrumentation.js:30:27)35 at CDPSession.send (C:\Users\user\Documents\

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Using AI Code Generation

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1import { Playwright } from 'playwright-core/​lib/​server/​playwright';2import { Page } from 'playwright-core/​lib/​server/​page';3import { BrowserContext } from 'playwright-core/​lib/​server/​browserContext';4import { Frame } from 'playwright-core/​lib/​server/​frame';5import { Request } from 'playwright-core/​lib/​server/​network';6import { Response } from 'playwright-core/​lib/​server/​network';7import { ElementHandle } from 'playwright-core/​lib/​server/​dom';8import { JSHandle } from 'playwright-core/​lib/​server/​jsHandle';9import { FileChooser } from 'playwright-core/​lib/​server/​fileChooser';10import { Worker } from 'playwright-core/​lib/​server/​worker';11import { ConsoleMessage } from 'playwright-core/​lib/​server/​console';12import { Dialog } from 'playwright-core/​lib/​server/​dialog';13import { Download } from 'playwright-core/​lib/​server/​download';14import { WebSocket } from 'playwright-core/​lib/​server/​webSocketTransport';15import { WebSocketFrame } from 'playwright-core/​lib/​server/​webSocketTransport';16const playwright: Playwright = require('playwright-core');17const browser = await playwright.chromium.launch();18const context = await browser.newContext();19const page = await context.newPage();20const frame = await page.mainFrame();21const elementHandle = await page.$('div');22const jsHandle = await page.evaluateHandle(() => document.body);23const fileChooser = await page.waitForFileChooser();24const worker = await page.waitForWorker();25const consoleMessage = await page.waitForConsoleMessage();26const dialog = await page.waitForDialog();27const download = await page.waitForDownload();28await page.executeDirectDispatch({29 params: {30 },31});32await page.executeDirectDispatch({33 params: {34 },35});36await page.executeDirectDispatch({37 params: {38 },39});40await page.executeDirectDispatch({

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Using AI Code Generation

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1const playwright = require('playwright-core');2const { executeDirectDispatch } = require('playwright-core/​lib/​server/​transport');3const browser = await playwright.chromium.launch({ headless: false });4const page = await browser.newPage();5await executeDirectDispatch(page, {6 params: {7 },8});9await page.screenshot({ path: 'youtube.png' });10await browser.close();

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Using AI Code Generation

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1const { chromium } = require('playwright');2const path = require('path');3(async () => {4 const browser = await chromium.launch({5 "--disable-extensions-except=" + path.join(__dirname, 'extension'),6 "--load-extension=" + path.join(__dirname, 'extension'),7 });8 const page = await browser.newPage();9 await page.evaluate(() => {10 window.playwrightInternal.executeDirectDispatch({11 params: {12 source: 'window.__injected = 123;'13 }14 });15 });16 await page.waitForTimeout(2000);17 await page.reload();18 await page.waitForTimeout(2000);19 await browser.close();20})();21{22 "background": {23 }24}25chrome.runtime.onConnect.addListener((port) => {26 console.log('Connected ..');27 port.onMessage.addListener((msg) => {28 console.log('message received: ', msg);29 });30});31chrome.runtime.onConnect.addListener((port) => {32 console.log('Connected ..');33 port.onMessage.addListener((msg) => {34 console.log('message received: ', msg);35 });36});37chrome.runtime.onConnect.addListener((port) => {38 console.log('Connected ..');39 port.onMessage.addListener((msg) => {40 console.log('message received: ', msg);41 });42});43chrome.runtime.onConnect.addListener((port) => {44 console.log('Connected ..');45 port.onMessage.addListener((msg) => {46 console.log('message received: ', msg);47 });48});49chrome.runtime.onConnect.addListener((port) => {50 console.log('Connected ..');51 port.onMessage.addListener((msg) => {52 console.log('message received: ', msg);53 });54});55chrome.runtime.onConnect.addListener((port) => {56 console.log('Connected ..');57 port.onMessage.addListener((msg) => {58 console.log('

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Using AI Code Generation

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1const { executeDirectDispatch } = require('playwright-core/​lib/​server/​dispatcher/​dispatcher');2const { Events } = require('playwright-core/​lib/​server/​dispatcher/​events');3const { getEventArguments } = require('playwright-core/​lib/​server/​dispatcher/​dispatcher');4const event = new Events.PageLoadEvent();5const args = getEventArguments(event);6executeDirectDispatch(page, event, args);

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Using AI Code Generation

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1const { internal } = require('playwright');2const { dispatchEvent } = internal;3module.exports = async function executeDirectDispatch(elementHandle, type, eventInit) {4 await elementHandle.evaluate((element, type, eventInit) => {5 const event = new Event(type, eventInit);6 element.dispatchEvent(event);7 }, type, eventInit);8}

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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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