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How to use doBeginMatch method in Playwright Internal

Best JavaScript code snippet using playwright-internal

highlight.js

Source:highlight.js

...200        continueScanAtSamePosition = true;201        return 0;202      }203    }204    function doBeginMatch(match) {205      var lexeme = match[0];206      var new_mode = match.rule;207      var mode;208      let resp = new Response(new_mode);209      // first internal before callbacks, then the public ones210      let beforeCallbacks = [new_mode.__beforeBegin, new_mode["on:begin"]];211      for (let cb of beforeCallbacks) {212        if (!cb) continue;213        cb(match, resp);214        if (resp.ignore) return doIgnore(lexeme);215      }216      if (new_mode && new_mode.endSameAsBegin) {217        new_mode.endRe = regex.escape(lexeme);218      }219      if (new_mode.skip) {220        mode_buffer += lexeme;221      } else {222        if (new_mode.excludeBegin) {223          mode_buffer += lexeme;224        }225        processBuffer();226        if (!new_mode.returnBegin && !new_mode.excludeBegin) {227          mode_buffer = lexeme;228        }229      }230      mode = startNewMode(new_mode);231      // if (mode["after:begin"]) {232      //   let resp = new Response(mode);233      //   mode["after:begin"](match, resp);234      // }235      return new_mode.returnBegin ? 0 : lexeme.length;236    }237    function doEndMatch(match) {238      var lexeme = match[0];239      var matchPlusRemainder = codeToHighlight.substr(match.index);240      var end_mode = endOfMode(top, match, matchPlusRemainder);241      if (!end_mode) { return NO_MATCH; }242      var origin = top;243      if (origin.skip) {244        mode_buffer += lexeme;245      } else {246        if (!(origin.returnEnd || origin.excludeEnd)) {247          mode_buffer += lexeme;248        }249        processBuffer();250        if (origin.excludeEnd) {251          mode_buffer = lexeme;252        }253      }254      do {255        if (top.className) {256          emitter.closeNode();257        }258        if (!top.skip && !top.subLanguage) {259          relevance += top.relevance;260        }261        top = top.parent;262      } while (top !== end_mode.parent);263      if (end_mode.starts) {264        if (end_mode.endSameAsBegin) {265          end_mode.starts.endRe = end_mode.endRe;266        }267        startNewMode(end_mode.starts);268      }269      return origin.returnEnd ? 0 : lexeme.length;270    }271    function processContinuations() {272      var list = [];273      for (var current = top; current !== language; current = current.parent) {274        if (current.className) {275          list.unshift(current.className);276        }277      }278      list.forEach(item => emitter.openNode(item));279    }280    var lastMatch = {};281    function processLexeme(textBeforeMatch, match) {282      var lexeme = match && match[0];283      // add non-matched text to the current mode buffer284      mode_buffer += textBeforeMatch;285      if (lexeme == null) {286        processBuffer();287        return 0;288      }289      // we've found a 0 width match and we're stuck, so we need to advance290      // this happens when we have badly behaved rules that have optional matchers to the degree that291      // sometimes they can end up matching nothing at all292      // Ref: https://github.com/highlightjs/highlight.js/issues/2140293      if (lastMatch.type === "begin" && match.type === "end" && lastMatch.index === match.index && lexeme === "") {294        // spit the "skipped" character that our regex choked on back into the output sequence295        mode_buffer += codeToHighlight.slice(match.index, match.index + 1);296        if (!SAFE_MODE) {297          const err = new Error('0 width match regex');298          err.languageName = languageName;299          err.badRule = lastMatch.rule;300          throw err;301        }302        return 1;303      }304      lastMatch = match;305      if (match.type === "begin") {306        return doBeginMatch(match);307      } else if (match.type === "illegal" && !ignoreIllegals) {308        // illegal match, we do not continue processing309        const err = new Error('Illegal lexeme "' + lexeme + '" for mode "' + (top.className || '<unnamed>') + '"');310        err.mode = top;311        throw err;312      } else if (match.type === "end") {313        var processed = doEndMatch(match);314        if (processed !== NO_MATCH) {315          return processed;316        }317      }318      // edge case for when illegal matches $ (end of line) which is technically319      // a 0 width match but not a begin/end match so it's not caught by the320      // first handler (when ignoreIllegals is true)...

Using AI Code Generation

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.waitForSelector('text=Get started');7  await page.click('text=Get started');8  await page.waitForSelector('text=Playwright is a Node.js library to automate Chromium, Firefox and WebKit with a single API.');9  await page.click('text=Playwright is a Node.js library to automate Chromium, Firefox and WebKit with a single API.');10  await page.click('text=Get started');11  await page.waitForSelector('text=Playwright is a Node.js library to automate Chromium, Firefox and WebKit with a single API.');12  await page.click('text=Playwright is a Node.js library to automate Chromium, Firefox and WebKit with a single API.');13  await page.click('text=Get started');14  await page.waitForSelector('text=Playwright is a Node.js library to automate Chromium, Firefox and WebKit with a single API.');15  await page.click('text=Playwright is a Node.js library to automate Chromium, Firefox and WebKit with a single API.');16  await page.click('text=Get started');17  await page.waitForSelector('text=Playwright is a Node.js library to automate Chromium, Firefox and WebKit with a single API.');18  await page.click('text=Playwright is a Node.js library to automate Chromium, Firefox and WebKit with a single API.');19  await page.click('text=Get started');20  await page.waitForSelector('text=Playwright is a Node.js library to automate Chromium, Firefox and WebKit with a single API.');21  await page.click('text=Playwright is a Node.js library to automate Chromium, Firefox and WebKit with a single API.');22  await page.click('text=Get started');23  await page.waitForSelector('text=Playwright is a Node.js library to automate Chromium, Firefox and WebKit with a single API.');24  await page.click('text=Playwright is a Node.js library to automate Chromium, Firefox and WebKit with a single API.');25  await page.click('text=Get started');26  await page.waitForSelector('text=Playwright is a Node.js library to automate Chromium, Firefox and WebKit with a single API.');27  await page.click('text=

Using AI Code Generation

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.fill('input[aria-label="Search"]', 'hello');7  await page.press('input[aria-label="Search"]', 'Enter');8  await page.waitForNavigation();9  await page.click('text=Images');10  await page.waitForNavigation();11  await page.click('text=Videos');12  await page.waitForNavigation();13  await page.click('text=News');14  await page.waitForNavigation();15  await page.click('text=Maps');16  await page.waitForNavigation();17  await page.click('text=Shopping');18  await page.waitForNavigation();19  await page.click('text=Books');20  await page.waitForNavigation();21  await page.click('text=Flights');22  await page.waitForNavigation();23  await page.click('text=Finance');24  await page.waitForNavigation();25  await page.click('text=More');26  await page.waitForNavigation();27  await page.click('text=Settings');28  await page.waitForNavigation();29  await page.click('text=Tools');30  await page.waitForNavigation();31  await page.click('text=History');32  await page.waitForNavigation();33  await page.click('text=Sign in');34  await page.waitForNavigation();35  await page.click('text=All');36  await page.waitForNavigation();37  await page.click('text=Images');38  await page.waitForNavigation();39  await page.click('text=Videos');40  await page.waitForNavigation();41  await page.click('text=News');42  await page.waitForNavigation();43  await page.click('text=Maps');44  await page.waitForNavigation();45  await page.click('text=Shopping');46  await page.waitForNavigation();47  await page.click('text=Books');48  await page.waitForNavigation();49  await page.click('text=Flights');50  await page.waitForNavigation();51  await page.click('text=Finance');52  await page.waitForNavigation();53  await page.click('text=More');54  await page.waitForNavigation();55  await page.click('text=Settings');56  await page.waitForNavigation();57  await page.click('text=Tools');58  await page.waitForNavigation();59  await page.click('text=History');60  await page.waitForNavigation();61  await page.click('text=Sign in');62  await page.waitForNavigation();

Using AI Code Generation

1const { Playwright } = require('playwright');2const playwright = new Playwright();3(async () => {4  const browser = await playwright.chromium.launch();5  const context = await browser.newContext();6  const page = await context.newPage();7  await page.doBeginMatch('Google');8  await browser.close();9})();10module.exports = {11  use: {12  },13    {14      use: {15      },16    },17};

Using AI Code Generation

1const { chromium } = require('playwright');2const { doBeginMatch } = require('playwright/lib/server/playwright');3(async () => {4  const browser = await chromium.launch();5  const context = await browser.newContext();6  const page = await context.newPage();7  const frame = page.mainFrame();8  const document = frame._document;9  const root = document._documentElement;10  const body = document._body;11  const text = body._children[0];12  const match = await doBeginMatch({13    state: {14    },15  });16  console.log(match);17  await browser.close();18})();19{20  node: {

Using AI Code Generation

1const playwright = require('playwright');2(async () => {3    const browser = await playwright.chromium.launch();4    const page = await browser.newPage();5    const frames = page.frames();6    const frame = frames.find(f => f.url().includes('playwright.dev'));7    const result = await frame.doBeginMatch({8    });9    console.log(result);10    await browser.close();11})();12const playwright = require('playwright');13(async () => {14    const browser = await playwright.chromium.launch();15    const page = await browser.newPage();16    const frames = page.frames();17    const frame = frames.find(f => f.url().includes('playwright.dev'));18    const result = await frame.doContinueAfterResponse({19        timing: {}20    });21    console.log(result);22    await browser.close();23})();24const playwright = require('playwright');25(async () => {26    const browser = await playwright.chromium.launch();27    const page = await browser.newPage();28    const frames = page.frames();29    const frame = frames.find(f => f.url().includes('playwright.dev'));30    const result = await frame.doContinueAfterRequest({31    });32    console.log(result);33    await browser.close();34})();

Using AI Code Generation

1const { doBeginMatch } = require('@playwright/test/lib/test');2const { test } = require('@playwright/test');3test('my test', async ({ page }) => {4  doBeginMatch('my test');5  doEndMatch();6});7const { doEndMatch } = require('@playwright/test/lib/test');8const { test } = require('@playwright/test');9test('my test', async ({ page }) => {10  doBeginMatch('my test');11  doEndMatch();12});13const { doBeginMatch } = require('@playwright/test/lib/test');14const { test } = require('@playwright/test');15test('my test', async ({ page }) => {16  doBeginMatch('my test');17  doEndMatch();18});19const { doEndMatch } = require('@playwright/test/lib/test');20const { test } = require('@playwright/test');21test('my test', async ({ page }) => {22  doBeginMatch('my test');23  doEndMatch();24});25const { doBeginMatch } = require('@playwright/test/lib/test');26const { test } = require('@playwright/test');27test('my test', async ({ page }) => {28  doBeginMatch('my test');29  doEndMatch();30});31const { doEndMatch } = require('@playwright/test/lib/test');32const { test } = require('@playwright/test');33test('my test', async ({ page }) => {34  doBeginMatch('my test');35  doEndMatch();36});37const { doBeginMatch } = require('@playwright/test/lib/test');38const { test } =

Using AI Code Generation

1import { doBeginMatch } from 'playwright-internal';2import { expect } from 'chai';3describe('test', () => {4  it('test', async () => {5    const result = await doBeginMatch();6    expect(result).to.be.equal('hello');7  });8});9import { test } from '@playwright/test';10test('test', async ({ page }) => {11  await page.click('text="Google Search"');12  await page.waitForTimeout(1000);13});

Using AI Code Generation

1const { chromium } = require('playwright');2const { doBeginMatch } = require('playwright/lib/server/inspector');3(async () => {4  const browser = await chromium.launch();5  const page = await browser.newPage();6  const context = await browser.newContext();7  const page2 = await context.newPage();8  const match = await doBeginMatch(browser, [page, page2]);9  console.log(match);10  await browser.close();11})();12const { chromium } = require('playwright');13const { doBeginMatch } = require('playwright/lib/server/inspector');14(async () => {15  const browser = await chromium.launch();16  const page = await browser.newPage();17  const context = await browser.newContext();18  const page2 = await context.newPage();19  const match = await doBeginMatch(browser, [page, page2]);20  console.log(match);21  await browser.close();22})();23const { chromium } = require('playwright');24const { doBeginMatch } = require('playwright/lib/server/inspector');25(async () => {26  const browser = await chromium.launch();27  const page = await browser.newPage();28  const context = await browser.newContext();29  const page2 = await context.newPage();30  const match = await doBeginMatch(browser, [page, page2]);31  console.log(match);32  await browser.close();33})();34const { chromium } = require('playwright');35const { doBeginMatch } = require('playwright/lib/server/inspector');36(async () => {37  const browser = await chromium.launch();38  const page = await browser.newPage();

Playwright tutorial

LambdaTest’s Playwright tutorial will give you a broader idea about the Playwright automation framework, its unique features, and use cases with examples to exceed your understanding of Playwright testing. This tutorial will give A to Z guidance, from installing the Playwright framework to some best practices and advanced concepts.

Chapters:

What is Playwright : Playwright is comparatively new but has gained good popularity. Get to know some history of the Playwright with some interesting facts connected with it.
How To Install Playwright : Learn in detail about what basic configuration and dependencies are required for installing Playwright and run a test. Get a step-by-step direction for installing the Playwright automation framework.
Playwright Futuristic Features: Launched in 2020, Playwright gained huge popularity quickly because of some obliging features such as Playwright Test Generator and Inspector, Playwright Reporter, Playwright auto-waiting mechanism and etc. Read up on those features to master Playwright testing.
What is Component Testing: Component testing in Playwright is a unique feature that allows a tester to test a single component of a web application without integrating them with other elements. Learn how to perform Component testing on the Playwright automation framework.
Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
Functions and Selectors in Playwright: Learn how to launch the Chromium browser with Playwright. Also, gain a better understanding of some important functions like “BrowserContext,” which allows you to run multiple browser sessions, and “newPage” which interacts with a page.
Handling Alerts and Dropdowns in Playwright : Playwright interact with different types of alerts and pop-ups, such as simple, confirmation, and prompt, and different types of dropdowns, such as single selector and multi-selector get your hands-on with handling alerts and dropdown in Playright testing.
Playwright vs Puppeteer: Get to know about the difference between two testing frameworks and how they are different than one another, which browsers they support, and what features they provide.
Run Playwright Tests on LambdaTest: Playwright testing with LambdaTest leverages test performance to the utmost. You can run multiple Playwright tests in Parallel with the LammbdaTest test cloud. Get a step-by-step guide to run your Playwright test on the LambdaTest platform.
Playwright Python Tutorial: Playwright automation framework support all major languages such as Python, JavaScript, TypeScript, .NET and etc. However, there are various advantages to Python end-to-end testing with Playwright because of its versatile utility. Get the hang of Playwright python testing with this chapter.
Playwright End To End Testing Tutorial: Get your hands on with Playwright end-to-end testing and learn to use some exciting features such as TraceViewer, Debugging, Networking, Component testing, Visual testing, and many more.
Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.