How to use hasDispatches method in Playwright Internal

Best JavaScript code snippet using playwright-internal

EventPluginUtils.js

Source: EventPluginUtils.js Github

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...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;179}180/​**181 * General utilities that are useful in creating custom Event Plugins.182 */​183var EventPluginUtils = {184 isEndish: isEndish,185 isMoveish: isMoveish,186 isStartish: isStartish,187 executeDirectDispatch: executeDirectDispatch,188 executeDispatch: executeDispatch,189 executeDispatchesInOrder: executeDispatchesInOrder,190 executeDispatchesInOrderStopAtTrue: executeDispatchesInOrderStopAtTrue,191 hasDispatches: hasDispatches,...

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55777fEventPluginUtils.js

Source: 55777fEventPluginUtils.js Github

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...135event._dispatchListeners=null;136event._dispatchInstances=null;137return res;138}139function hasDispatches(event){140return!!event._dispatchListeners;141}142var EventPluginUtils={143isEndish:isEndish,144isMoveish:isMoveish,145isStartish:isStartish,146executeDirectDispatch:executeDirectDispatch,147executeDispatchesInOrder:executeDispatchesInOrder,148executeDispatchesInOrderStopAtTrue:executeDispatchesInOrderStopAtTrue,149hasDispatches:hasDispatches,150getInstanceFromNode:function getInstanceFromNode(node){151return ComponentTree.getInstanceFromNode(node);152},153getNodeFromInstance:function getNodeFromInstance(node){...

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ce23cbEventPluginUtils.js

Source: ce23cbEventPluginUtils.js Github

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...135event._dispatchListeners=null;136event._dispatchInstances=null;137return res;138}139function hasDispatches(event){140return!!event._dispatchListeners;141}142var EventPluginUtils={143isEndish:isEndish,144isMoveish:isMoveish,145isStartish:isStartish,146executeDirectDispatch:executeDirectDispatch,147executeDispatchesInOrder:executeDispatchesInOrder,148executeDispatchesInOrderStopAtTrue:executeDispatchesInOrderStopAtTrue,149hasDispatches:hasDispatches,150getInstanceFromNode:function getInstanceFromNode(node){151return ComponentTree.getInstanceFromNode(node);152},153getNodeFromInstance:function getNodeFromInstance(node){...

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12d1a3EventPluginUtils.js

Source: 12d1a3EventPluginUtils.js Github

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...135event._dispatchListeners=null;136event._dispatchInstances=null;137return res;138}139function hasDispatches(event){140return!!event._dispatchListeners;141}142var EventPluginUtils={143isEndish:isEndish,144isMoveish:isMoveish,145isStartish:isStartish,146executeDirectDispatch:executeDirectDispatch,147executeDispatchesInOrder:executeDispatchesInOrder,148executeDispatchesInOrderStopAtTrue:executeDispatchesInOrderStopAtTrue,149hasDispatches:hasDispatches,150getInstanceFromNode:function getInstanceFromNode(node){151return ComponentTree.getInstanceFromNode(node);152},153getNodeFromInstance:function getNodeFromInstance(node){...

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7193daEventPluginUtils.js

Source: 7193daEventPluginUtils.js Github

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...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,113 executeDirectDispatch: executeDirectDispatch,114 executeDispatchesInOrder: executeDispatchesInOrder,115 executeDispatchesInOrderStopAtTrue: executeDispatchesInOrderStopAtTrue,116 hasDispatches: hasDispatches,117 getFiberCurrentPropsFromNode: function getFiberCurrentPropsFromNode(node) {118 return ComponentTree.getFiberCurrentPropsFromNode(node);119 },120 getInstanceFromNode: function getInstanceFromNode(node) {...

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7cab9b1f4d2a502fd27b0a837c64a8d246e401EventPluginUtils.js

Source: 7cab9b1f4d2a502fd27b0a837c64a8d246e401EventPluginUtils.js Github

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...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,109 executeDirectDispatch: executeDirectDispatch,110 executeDispatchesInOrder: executeDispatchesInOrder,111 executeDispatchesInOrderStopAtTrue: executeDispatchesInOrderStopAtTrue,112 hasDispatches: hasDispatches,113 getFiberCurrentPropsFromNode: function getFiberCurrentPropsFromNode(node) {114 return ComponentTree.getFiberCurrentPropsFromNode(node);115 },116 getInstanceFromNode: function getInstanceFromNode(node) {...

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b5ecb2572bfdf20ac003648b9086b76ecc91c1EventPluginUtils.js

Source: b5ecb2572bfdf20ac003648b9086b76ecc91c1EventPluginUtils.js Github

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...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,109 executeDirectDispatch: executeDirectDispatch,110 executeDispatchesInOrder: executeDispatchesInOrder,111 executeDispatchesInOrderStopAtTrue: executeDispatchesInOrderStopAtTrue,112 hasDispatches: hasDispatches,113 getFiberCurrentPropsFromNode: function getFiberCurrentPropsFromNode(node) {114 return ComponentTree.getFiberCurrentPropsFromNode(node);115 },116 getInstanceFromNode: function getInstanceFromNode(node) {...

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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.evaluate(() => {7 window.dispatchEvent(8 new CustomEvent("myEvent", {9 detail: {10 },11 })12 );13 });14 console.log(await page.hasDispatches("myEvent"));15 await browser.close();16})();17hasDispatches() method is used to check if there are any dispatches of a particular event type. This method is used with the help of the following methods:18page.hasDispatches(eventType)19page.hasDispatches(eventType, predicate)20page.hasDispatches(eventType, predicate, options)21The hasDispatches() method accepts the following parameters:22Example 2: hasDispatches() method with predicate23const { chromium } = require("playwright");24(async () => {25 const browser = await chromium.launch();26 const context = await browser.newContext();27 const page = await context.newPage();28 await page.evaluate(() => {29 window.dispatchEvent(30 new CustomEvent("myEvent", {31 detail: {32 },33 })34 );35 });36 console.log(37 await page.hasDispatches("myEvent", (event) => {38 return event.detail.foo === "bar";39 })40 );41 await browser.close();42})();43Example 3: hasDispatches() method with predicate and options44const { chromium } = require("playwright");45(async () => {46 const browser = await chromium.launch();47 const context = await browser.newContext();

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Using AI Code Generation

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1const { hasDispatches } = require('playwright/​lib/​internal/​dispatchers/​dispatcher');2const { chromium } = require('playwright');3(async () => {4 const browser = await chromium.launch();5 console.log(hasDispatches(browser));6 await browser.close();7})();8I have also tried using the browser.isConnected() method but it is also not working as expected. I am getting the following error:9Your name to display (optional):10Your name to display (optional):11Your name to display (optional):

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Using AI Code Generation

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1const { InternalDispatcher } = require('playwright/​lib/​server/​dispatchers/​dispatcher');2InternalDispatcher.prototype.hasDispatches = function() {3 return this._dispatches.size > 0;4};5const playwright = require('playwright');6const { chromium } = playwright;7(async () => {8 const browser = await chromium.launch({ headless: false, slowMo: 50 });9 const context = await browser.newContext();10 const page = await context.newPage();11 await page.screenshot({ path: 'google.png' });12 await browser.close();13})();14Chromium: 84.0.4147.0 (r792387)15User-Agent: Mozilla/​5.0 (X11; Linux x86_64) AppleWebKit/​537.36 (KHTML, like Gecko) HeadlessChrome/​84.0.4147.0 Safari/​537.3616Chromium: 84.0.4147.0 (r792387)

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Using AI Code Generation

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1const { hasDispatches } = require('playwright/​lib/​utils/​dispatchers');2console.log(hasDispatches(new Page()));3const { hasDispatches } = require('playwright/​lib/​utils/​dispatchers');4console.log(hasDispatches(new Page()));5const { hasDispatches } = require('playwright/​lib/​utils/​dispatchers');6console.log(hasDispatches(new Page()));7const { hasDispatches } = require('playwright/​lib/​utils/​dispatchers');8console.log(hasDispatches(new Page()));9const { hasDispatches } = require('playwright/​lib/​utils/​dispatchers');10console.log(hasDispatches(new Page()));11const { hasDispatches } = require('playwright/​lib/​utils/​dispatchers');12console.log(hasDispatches(new Page()));13const { hasDispatches } = require('playwright/​lib/​utils/​dispatchers');14console.log(hasDispatches(new Page()));15const { hasDispatches } = require('playwright/​lib/​utils/​dispatchers');16console.log(hasDispatches(new Page()));17const { hasDispatches } = require('playwright/​lib/​utils/​dispatchers');18console.log(hasDispatches(new Page()));19const { hasDispatches } = require('playwright/​lib/​utils/​dispatchers');20console.log(hasDispatches(new Page()));21const { hasDispatches } = require('playwright/​lib/​utils/​dispatchers');22console.log(hasDispatches(new Page()));23const {

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Using AI Code Generation

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1const { hasDispatches } = require('playwright/​lib/​utils/​dispatchers');2console.log(hasDispatches(page));3const { hasDispatches } = require('playwright/​lib/​utils/​dispatchers');4console.log(hasDispatches(page));5const { hasDispatches } = require('playwright/​lib/​utils/​dispatchers');6console.log(hasDispatches(page));7const { hasDispatches } = require('playwright/​lib/​utils/​dispatchers');8console.log(hasDispatches(page));9const { hasDispatches } = require('playwright/​lib/​utils/​dispatchers');10console.log(hasDispatches(page));11const { hasDispatches } = require('playwright/​lib/​utils/​dispatchers');12console.log(hasDispatches(page));

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Using AI Code Generation

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1const { hasDispatches } = require('playwright/​lib/​server/​trace/​traceModel');2const traceModel = require('playwright/​lib/​server/​trace/​traceModel');3console.log(hasDispatches);4const traceModel = require('playwright/​lib/​server/​trace/​traceModel');5console.log(traceModel);6const { hasDispatches } = require('playwright/​lib/​server/​trace/​traceModel');7console.log(hasDispatches);8const traceModel = require('playwright/​lib/​server/​trace/​traceModel');9console.log(traceModel);10const { hasDispatches } = require('playwright/​lib/​server/​trace/​traceModel');11console.log(hasDispatches);12const traceModel = require('playwright/​lib/​server/​trace/​traceModel');13console.log(traceModel);14const { hasDispatches } = require('playwright/​lib/​server/​trace/​traceModel');15console.log(hasDispatches);16const traceModel = require('playwright/​lib/​server/​trace/​traceModel');17console.log(traceModel);18const { hasDispatches } = require('playwright/​lib/​server/​trace/​traceModel');19console.log(hasDispatches);20const traceModel = require('playwright/​lib/​server/​trace/​traceModel');21console.log(traceModel);22const { hasDispatches } = require('playwright/​lib/​server/​trace/​traceModel');23console.log(hasDispatches);24const traceModel = require('playwright/​lib/​server/​trace/​traceModel');25console.log(traceModel);

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Using AI Code Generation

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1const { hasDispatches } = require('playwright/​lib/​server/​trace/​recorder/​dispatches');2const { setUnderTest } = require('playwright/​lib/​utils/​utils');3setUnderTest();4console.log(hasDispatches());5How to use Playwright to automate your web browser (part 2)6How to use Playwright to automate your web browser (part 3)7How to use Playwright to automate your web browser (part 4)8How to use Playwright to automate your web browser (part 5)9How to use Playwright to automate your web browser (part 6)10How to use Playwright to automate your web browser (part 7)11How to use Playwright to automate your web browser (part 8)12How to use Playwright to automate your web browser (part 9)13How to use Playwright to automate your web browser (part 10)14How to use Playwright to automate your web browser (part 11)15How to use Playwright to automate your web browser (part 12)16How to use Playwright to automate your web browser (part 13)17How to use Playwright to automate your web browser (part 14)18How to use Playwright to automate your web browser (part 15)19How to use Playwright to automate your web browser (part 16)20How to use Playwright to automate your web browser (part 17)21How to use Playwright to automate your web browser (part 18)22How to use Playwright to automate your web browser (part 19)23How to use Playwright to automate your web browser (part 20)

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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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