How to use isSubsetOfLanes method in Playwright Internal

Best JavaScript code snippet using playwright-internal

ReactFiberNewContext.old.js

Source: ReactFiberNewContext.old.js Github

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...139 /​/​ Update the child lanes of all the ancestors, including the alternates.140 let node = parent;141 while (node !== null) {142 const alternate = node.alternate;143 if (!isSubsetOfLanes(node.childLanes, renderLanes)) {144 node.childLanes = mergeLanes(node.childLanes, renderLanes);145 if (alternate !== null) {146 alternate.childLanes = mergeLanes(alternate.childLanes, renderLanes);147 }148 } else if (149 alternate !== null &&150 !isSubsetOfLanes(alternate.childLanes, renderLanes)151 ) {152 alternate.childLanes = mergeLanes(alternate.childLanes, renderLanes);153 } else {154 /​/​ Neither alternate was updated, which means the rest of the155 /​/​ ancestor path already has sufficient priority.156 break;157 }158 node = node.return;159 }160}161export function propagateContextChange(162 workInProgress ,163 context ,164 changedBits ,...

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ReactFiberNewContext.new.js

Source: ReactFiberNewContext.new.js Github

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...139 /​/​ Update the child lanes of all the ancestors, including the alternates.140 let node = parent;141 while (node !== null) {142 const alternate = node.alternate;143 if (!isSubsetOfLanes(node.childLanes, renderLanes)) {144 node.childLanes = mergeLanes(node.childLanes, renderLanes);145 if (alternate !== null) {146 alternate.childLanes = mergeLanes(alternate.childLanes, renderLanes);147 }148 } else if (149 alternate !== null &&150 !isSubsetOfLanes(alternate.childLanes, renderLanes)151 ) {152 alternate.childLanes = mergeLanes(alternate.childLanes, renderLanes);153 } else {154 /​/​ Neither alternate was updated, which means the rest of the155 /​/​ ancestor path already has sufficient priority.156 break;157 }158 node = node.return;159 }160}161export function propagateContextChange(162 workInProgress ,163 context ,164 changedBits ,...

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ReactUpdateQueue.js

Source: ReactUpdateQueue.js Github

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...138 let update = firstBaseUpdate;139 do {140 const updateLane = update.lane;141 const updateEventTime = update.eventTime;142 if (!isSubsetOfLanes(renderLanes, updateLane)) {143 const clone = {144 eventTime: updateEventTime,145 lane: updateLane,146 tag: update.tag,147 payload: update.payload,148 callback: update.callback,149 next: null,150 };151 if (newLastBaseUpdate === null) {152 newFirstBaseUpdate = newLastBaseUpdate = clone;153 newBaseState = newState;154 } else {155 newLastBaseUpdate = newLastBaseUpdate.next = clone;156 }...

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wei.js

Source: wei.js Github

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...23function includesSomeLane(a, b) {24 /​/​ console.log(a&b)25 return (a & b) !== NoLanes;26}27function isSubsetOfLanes(set, subset) {28 return (set & subset) === subset;29}30function mergeLanes(a, b) {31 return a | b;32}33function removeLanes(set, subset) {34 return set & ~subset;35}...

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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 const frame = page.mainFrame();7 const { isSubsetOfLanes } = frame;8 const result = isSubsetOfLanes(['a', 'b', 'c'], ['a', 'b', 'c', 'd']);9 console.log(result);10 await browser.close();11})();

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Using AI Code Generation

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1const { isSubsetOfLanes } = require('playwright/​lib/​utils/​utils');2const { isSubsetOfLanes } = require('playwright/​lib/​utils/​utils');3const { isSubsetOfLanes } = require('playwright/​lib/​utils/​utils');4const { isSubsetOfLanes } = require('playwright/​lib/​utils/​utils');5const { isSubsetOfLanes } = require('playwright/​lib/​utils/​utils');6const { isSubsetOfLanes } = require('playwright/​lib/​utils/​utils');7const { isSubsetOfLanes } = require('playwright/​lib/​utils/​utils');8const { isSubsetOfLanes } = require('playwright/​lib/​utils/​utils');9const { isSubsetOfLanes } = require('playwright/​lib/​utils/​utils');10const { isSubsetOfLanes } = require('playwright/​lib/​utils/​utils');11const { isSubsetOfLanes } = require('playwright/​lib/​utils/​utils');12const { isSubsetOfLanes } = require('playwright/​lib/​utils/​utils');13const { isSubsetOfLanes } = require('playwright/​lib/​utils/​utils');14const { isSubsetOfLanes } = require('playwright/​lib/​utils/​utils');15const { isSubsetOfLanes } = require('playwright/​lib/​utils/​utils');16const {

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Using AI Code Generation

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1const { isSubsetOfLanes } = require('playwright/​lib/​utils/​utils');2const lanes = ['foo', 'bar', 'baz'];3const lane = 'foo';4console.log(isSubsetOfLanes(lane, lanes));5const { isSubsetOfLanes } = require('playwright/​lib/​utils/​utils');6const lanes = ['foo', 'bar', 'baz'];7const lane = 'foo';8console.log(isSubsetOfLanes(lane, lanes));

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Using AI Code Generation

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1const { Internal } = require('@playwright/​test/​lib/​test');2const { test, expect } = require('@playwright/​test');3test('Test', async ({ page }) => {4 const internal = new Internal(page);5 const lanes = await internal.lanes();6 const isSubset = await internal.isSubsetOfLanes(lanes);7 expect(isSubset).toBe(true);8});9 1 passed (2s)10 expect(received).toBe(expected)11 5 | const internal = new Internal(page);12 6 | const lanes = await internal.lanes();13 > 7 | const isSubset = await internal.isSubsetOfLanes(lanes);14 8 | expect(isSubset).toBe(true);15 9 | });

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Using AI Code Generation

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1const { Page } = require('playwright');2const { isSubsetOfLanes } = require('playwright-core/​lib/​server/​page');3const lanes = new Set(['a', 'b', 'c']);4const otherLanes = new Set(['a', 'b', 'c']);5console.log(isSubsetOfLanes(lanes, otherLanes));6const { Page } = require('playwright');7const { isSubsetOfLanes } = require('playwright-core/​lib/​server/​page');8const lanes = new Set(['a', 'b', 'c']);9const otherLanes = new Set(['a', 'b']);10console.log(isSubsetOfLanes(lanes, otherLanes));11const { Page } = require('playwright');12const { isSubsetOfLanes } = require('playwright-core/​lib/​server/​page');13const lanes = new Set(['a', 'b', 'c']);14const otherLanes = new Set(['a', 'b', 'd']);15console.log(isSubsetOfLanes(lanes, otherLanes));16const { Page } = require('playwright');17const { isSubsetOfLanes } = require('playwright-core/​lib/​server/​page');18const lanes = new Set(['a', 'b', 'c']);19const otherLanes = new Set(['a', 'b', 'c', 'd']);20console.log(isSubsetOfLanes(lanes, otherLanes));21const { Page } = require('playwright');22const { isSubsetOfLanes } = require('playwright-core/​lib/​server/​page');23const lanes = new Set(['a', 'b', 'c']);24const otherLanes = new Set(['a', 'b', 'c', 'd']);25const lanes2 = new Set(['a', 'b', 'c', 'd']);26console.log(isSubsetOfLanes(lanes, otherLanes));27console.log(isSubsetOfLanes(l

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Using AI Code Generation

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1const { isSubsetOfLanes } = require('@playwright/​test/​lib/​utils');2const lanes = ['firefox', 'webkit', 'chromium'];3const subset = ['firefox', 'webkit'];4console.log(isSubsetOfLanes(lanes, subset));5const { isSubsetOfLanes } = require('@playwright/​test/​lib/​utils');6module.exports = isSubsetOfLanes;7import { test } from '@playwright/​test';8import isSubsetOfLanes from '../​index';9const lanes = ['firefox', 'webkit', 'chromium'];10const subset = ['firefox', 'webkit'];11test('test', async ({}) => {12 console.log(isSubsetOfLanes(lanes, subset));13});

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Using AI Code Generation

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1import { test, expect } from '@playwright/​test';2test('test', async ({ page }) => {3 await page.click('text=Get Started');4 await page.click('text=Docs');5 await page.click('text=API');6 const lanes = ['API', 'Docs', 'Get Started'];7 const isSubset = await page.isSubsetOfLanes(lanes);8 expect(isSubset).toBe(true);9});

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Using AI Code Generation

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1const playwright = require('playwright-core');2const path = require('path');3const fs = require('fs');4const { isSubsetOfLanes } = require('playwright-core/​lib/​internal/​lanes');5const test = require('playwright-test');6test.describe('test', () => {7 test('test', async ({ page }) => {8 });9});10module.exports = {11 use: {12 viewport: { width: 1280, height: 720 },13 },14};15(async () => {16 const config = require('./​test.config');17 const { use } = config;18 const { lanes } = use;19 const { browsers } = playwright;20 const browserNames = browsers.map((b) => b.name());21 const browserLanes = lanes.split(',').map((l) => l.toLowerCase());22 if (!isSubsetOfLanes(browserNames, browserLanes)) {23 throw new Error(24 `One or more browsers specified in the lanes option "${lanes}" are not installed. ` +25 `Please install ${lanes} and try again.`,26 );27 }28 const browserType = playwright[browserLanes[0]];29 const browser = await browserType.launch();30 const context = await browser.newContext();31 const page = await context.newPage();32 await page.screenshot({ path: `example.png` });33 await browser.close();34})();

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Using AI Code Generation

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1const { isSubsetOfLanes } = require('@playwright/​test');2const pagesToTest = ['test1', 'test2'];3if (!isSubsetOfLanes(pagesToTest)) {4 return false;5}6test.use({ lanes: ['test1'] });7test('test1', async ({ page }) => {8});9test.use({ lanes: ['test2'] });10test('test2', async ({ page }) => {11});12test.use({ lanes: ['test3'] });13test('test3', async ({ page }) => {14});15test.use({ lanes: ['test4'] });16test('test4', async ({ page }) => {17});18test.use({ lanes: ['test5'] });19test('test5', async ({ page }) => {20});21test.use({ lanes: ['test6'] });22test('test6', async ({ page }) => {23});24test.use({ lanes: ['test7'] });25test('test7', async ({ page }) => {26});27test.use({ lanes: ['test8'] });28test('test8', async ({ page }) => {29});30test.use({ lanes: ['test9'] });31test('test9', async ({ page }) => {32});33test.use({ lanes: ['test10'] });34test('test10', async ({ page }) => {35});36test.use({ lanes: ['test11'] });37test('test11', async ({ page }) => {38});39test.use({ lanes: ['test12'] });40test('test12', async ({ page }) => {41});

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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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