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.
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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.