How to use setCurrentUpdateLanePriority method in Playwright Internal

Best JavaScript code snippet using playwright-internal

ReactDOMEventListener.js

Source: ReactDOMEventListener.js Github

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...151 if (decoupleUpdatePriorityFromScheduler) {152 const previousPriority = getCurrentUpdateLanePriority();153 try {154 /​/​ TODO: Double wrapping is necessary while we decouple Scheduler priority.155 setCurrentUpdateLanePriority(InputContinuousLanePriority);156 runWithPriority(157 UserBlockingPriority,158 dispatchEvent.bind(159 null,160 domEventName,161 eventSystemFlags,162 container,163 nativeEvent,164 ),165 );166 } finally {167 setCurrentUpdateLanePriority(previousPriority);168 }169 } else {170 runWithPriority(171 UserBlockingPriority,172 dispatchEvent.bind(173 null,174 domEventName,175 eventSystemFlags,176 container,177 nativeEvent,178 ),179 );180 }181}...

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SchedulerWithReactIntegration.new.js

Source: SchedulerWithReactIntegration.new.js Github

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...164 const previousLanePriority = getCurrentUpdateLanePriority();165 try {166 const isSync = true;167 const queue = syncQueue;168 setCurrentUpdateLanePriority(SyncLanePriority);169 runWithPriority(ImmediatePriority, () => {170 for (; i < queue.length; i++) {171 let callback = queue[i];172 do {173 callback = callback(isSync);174 } while (callback !== null);175 }176 });177 syncQueue = null;178 } catch (error) {179 /​/​ If something throws, leave the remaining callbacks on the queue.180 if (syncQueue !== null) {181 syncQueue = syncQueue.slice(i + 1);182 }183 /​/​ Resume flushing in the next tick184 Scheduler_scheduleCallback(185 Scheduler_ImmediatePriority,186 flushSyncCallbackQueue,187 );188 throw error;189 } finally {190 setCurrentUpdateLanePriority(previousLanePriority);191 isFlushingSyncQueue = false;192 }193 } else {194 try {195 const isSync = true;196 const queue = syncQueue;197 runWithPriority(ImmediatePriority, () => {198 for (; i < queue.length; i++) {199 let callback = queue[i];200 do {201 callback = callback(isSync);202 } while (callback !== null);203 }204 });...

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SchedulerWithReactIntegration.old.js

Source: SchedulerWithReactIntegration.old.js Github

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...164 const previousLanePriority = getCurrentUpdateLanePriority();165 try {166 const isSync = true;167 const queue = syncQueue;168 setCurrentUpdateLanePriority(SyncLanePriority);169 runWithPriority(ImmediatePriority, () => {170 for (; i < queue.length; i++) {171 let callback = queue[i];172 do {173 callback = callback(isSync);174 } while (callback !== null);175 }176 });177 syncQueue = null;178 } catch (error) {179 /​/​ If something throws, leave the remaining callbacks on the queue.180 if (syncQueue !== null) {181 syncQueue = syncQueue.slice(i + 1);182 }183 /​/​ Resume flushing in the next tick184 Scheduler_scheduleCallback(185 Scheduler_ImmediatePriority,186 flushSyncCallbackQueue,187 );188 throw error;189 } finally {190 setCurrentUpdateLanePriority(previousLanePriority);191 isFlushingSyncQueue = false;192 }193 } else {194 try {195 const isSync = true;196 const queue = syncQueue;197 runWithPriority(ImmediatePriority, () => {198 for (; i < queue.length; i++) {199 let callback = queue[i];200 do {201 callback = callback(isSync);202 } while (callback !== null);203 }204 });...

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SchedulerWithReactIntegration.js

Source: SchedulerWithReactIntegration.js Github

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...103 const previousLanePriority = getCurrentUpdateLanePriority();104 try {105 const isSync = true;106 const queue = syncQueue;107 setCurrentUpdateLanePriority(SyncLanePriority);108 runWithPriority(109 ImmediatePriority,110 () => {111 for(; i < queue.length; i++) {112 let callback = queue[i];113 do{114 callback = callback(isSync);115 } while(callback !== null)116 }117 }118 );119 syncQueue = null;120 } catch(err) {121 122 } finally {123 setCurrentUpdateLanePriority(previousLanePriority);124 isFlushingSyncQueue = false;125 }126 } else {127 try {128 const isSync = true;129 const queue = syncQueue;130 runWithPriority(131 ImmediatePriority,132 () => {133 for(; i < queue.length; i++) {134 let callback = queue[i];135 do{136 callback = callback(isSync);137 } while(callback !== null)...

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Using AI Code Generation

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

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Using AI Code Generation

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1const { setCurrentUpdateLanePriority } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement.js');2setCurrentUpdateLanePriority(1);3const { chromium } = require('playwright');4(async () => {5 const browser = await chromium.launch();6 const context = await browser.newContext();7 const page = await context.newPage();8 await page.screenshot({ path: `example.png` });9 await browser.close();10})();11const browser = await chromium.launch();12const page = await browser.newPage();13const element = await page.$('selector');14const context = await browser.newContext();15Selectors are the most important part of Playwright. They are used to find elements on the page. Playwright supports the following selectors:16const element = await page.$('css=selector');17const element = await page.$('xpath=selector');18const element = await page.$('text=selector');19const element = await page.$('text=/​selector/​i');

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Using AI Code Generation

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1const { setCurrentUpdateLanePriority } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement.js');2setCurrentUpdateLanePriority(1);3const { setCurrentUpdateLanePriority } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement.js');4setCurrentUpdateLanePriority(1);5const { chromium } = require('playwright');6const { test, expect } = require('@playwright/​test');7test('test', async ({ page }) => {8 const selector = 'text=Get Started';9 await page.waitForSelector(selector);10 await page.click(selector);11});12module.exports = {13 use: {14 viewport: { width: 1280, height: 720 },15 },16};

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Using AI Code Generation

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1const { setCurrentUpdateLanePriority } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');2setCurrentUpdateLanePriority(1);3setCurrentUpdateLanePriority(2);4setCurrentUpdateLanePriority(3);5setCurrentUpdateLanePriority(4);6setCurrentUpdateLanePriority(5);7setCurrentUpdateLanePriority(6);8setCurrentUpdateLanePriority(7);9setCurrentUpdateLanePriority(8);10setCurrentUpdateLanePriority(9);11setCurrentUpdateLanePriority(10);12setCurrentUpdateLanePriority(11);13setCurrentUpdateLanePriority(12);14setCurrentUpdateLanePriority(13);15setCurrentUpdateLanePriority(14);16setCurrentUpdateLanePriority(15);17setCurrentUpdateLanePriority(16);18setCurrentUpdateLanePriority(17);19setCurrentUpdateLanePriority(18);20setCurrentUpdateLanePriority(19);21setCurrentUpdateLanePriority(20);22setCurrentUpdateLanePriority(21);

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Using AI Code Generation

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1const { setCurrentUpdateLanePriority } = require('playwright-core/​lib/​server/​supplements/​recorder/​recorderSupplement.js');2setCurrentUpdateLanePriority(1);3const { chromium } = require('playwright-core');4(async () => {5 const browser = await chromium.launch();6 const context = await browser.newContext();7 const page = await context.newPage();8 await page.screenshot({ path: `example.png` });9 await browser.close();10})();11const { setCurrentUpdateLanePriority } = require('playwright-core/​lib/​server/​supplements/​recorder/​recorderSupplement.js');12setCurrentUpdateLanePriority(1);13const { chromium } = require('playwright-core');14(async () => {15 const browser = await chromium.launch();16 const context = await browser.newContext();17 const page = await context.newPage();18 await page.screenshot({ path: `example.png` });19 await browser.close();20})();

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Using AI Code Generation

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1const { setCurrentUpdateLanePriority } = require('playwright/​lib/​server/​supplements/​utils/​scheduler');2setCurrentUpdateLanePriority(3);3const { chromium } = require('playwright');4(async () => {5 const browser = await chromium.launch();6 const context = await browser.newContext();7 const page = await context.newPage();8 await page.screenshot({ path: 'example.png' });9 await browser.close();10})();11const { setCurrentUpdateLanePriority } = require('playwright/​lib/​server/​supplements/​utils/​scheduler');12const { setCurrentUpdateLanePriority } = require('playwright/​lib/​server/​supplements/​utils/​scheduler');13const { setCurrentUpdateLanePriority } = require('playwright/​lib/​server/​supplements/​utils/​scheduler');

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Using AI Code Generation

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1const { setUpdateLanePriority } = require('playwright/​lib/​internalAPIs');2setUpdateLanePriority('input', 1);3const { chromium } = require('playwright');4(async () => {5 const browser = await chromium.launch();6 const context = await browser.newContext();7 const page = await context.newPage();8 await page.click('text=Get started');9 await page.click('text=Docs');10 await browser.close();11})();

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Using AI Code Generation

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1const { setCurrentUpdateLanePriority } = require('playwright/​lib/​server/​supplements/​utils/​playwrightInternals');2setCurrentUpdateLanePriority(2);3const page = await context.newPage();4await page.click('text=Google apps');5await page.click('text=Drive');6await page.click('text=Create a new document');7await page.click('text=Blank');8await page.click('text=Untitled document');9setCurrentUpdateLanePriority(1);10await page.fill('css=[contenteditable="true"]', 'Hello World');11await page.click('text=File');12await page.click('text=Download as');13await page.click('text=Microsoft Word (.docx)');14await page.click('text=Download');15await page.click(

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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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