Best JavaScript code snippet using playwright-internal
pngEncoder.js
Source:pngEncoder.js  
...37    this._buffer = new PngBuffer();38    this._buffer.writeBuffer(SIGNATURE);39}40PngEncoder.prototype.writeImageHeader = function PngEncoder_writeImageHeader(width, height, colorType) {41    this._buffer.startChunk("IHDR");42    this._buffer.writeUInt32BE(width);43    this._buffer.writeUInt32BE(height);44    this._buffer.writeUInt8(8); // Bit depth45    this._buffer.writeUInt8(colorType);46    this._buffer.writeUInt8(0); // Compression47    this._buffer.writeUInt8(0); // Filter48    this._buffer.writeUInt8(0); // Interlace49    this._buffer.endChunk();50};51PngEncoder.prototype.writeImageGamma = function PngEncoder_writeImageGamma(gamma) {52    this._buffer.startChunk("gAMA");53    this._buffer.writeUInt32BE(gamma || 45455);54    this._buffer.endChunk();55};56PngEncoder.prototype.writeTrueColorWithAlpha = function PngEncoder_writeTrueColorWithAlpha(colorRanges, width, height) {57    this._buffer.startChunk("IDAT");58    var buffer = Buffer.alloc(width * height * 4 + height);59    var outputCursor = 0;60    var canvasCursor = 0;61    for (var y = 0; y < height; y++) {62        buffer.writeUInt8(0); // No filtering63        outputCursor++;64        for (var x = 0; x < width; canvasCursor++) {65            var count = colorRanges[canvasCursor * 2 + 0];66            // Use a bitwise operator to ensure the color is expressed as a signed 32-bit integer67            var color = colorRanges[canvasCursor * 2 + 1] & 0xffffffff;68            for (var i = 0; i < count; i++) {69                buffer.writeInt32BE(color, outputCursor);70                outputCursor += 4;71            }72            x += count;73        }74    }75    var compressed = zlib.deflateSync(buffer);76    this._buffer.writeBuffer(compressed);77    this._buffer.endChunk();78};79PngEncoder.prototype.writeIndexed = function PngEncoder_writeIndexed(colorRanges, palette, width, height) {80    this._buffer.startChunk("IDAT");81    var buffer = Buffer.alloc(width * height + height);82    var outputCursor = 0;83    var canvasCursor = 0;84    for (var y = 0; y < height; y++) {85        buffer.writeUInt8(0); // No filtering86        outputCursor++;87        for (var x = 0; x < width; canvasCursor++) {88            var count = colorRanges[canvasCursor * 2 + 0];89            var color = colorRanges[canvasCursor * 2 + 1];90            var colorIndex = palette.lookup[color];91            for (var i = 0; i < count; i++) {92                buffer.writeUInt8(colorIndex, outputCursor);93                outputCursor++;94            }95            x += count;96        }97    }98    var compressed = zlib.deflateSync(buffer);99    this._buffer.writeBuffer(compressed);100    this._buffer.endChunk();101};102PngEncoder.prototype.writePalette = function PngEncoder_writePalette(palette) {103    if (palette && palette.isValid) {104        this._buffer.startChunk("PLTE");105        for (var i = 0; i < palette.colors.length; i++) {106            this._buffer.writeUInt8(colorUtils.red(palette.colors[i]));107            this._buffer.writeUInt8(colorUtils.green(palette.colors[i]));108            this._buffer.writeUInt8(colorUtils.blue(palette.colors[i]));109        }110        this._buffer.endChunk();111    }112};113PngEncoder.prototype.writeTransparency = function PngEncoder_writeTransparency(palette) {114    if (palette && palette.isValid && palette.hasAlphaChannel) {115        this._buffer.startChunk("tRNS");116        for (var i = 0; i < palette.colors.length; i++) {117            this._buffer.writeUInt8(colorUtils.alpha(palette.colors[i]));118        }119        this._buffer.endChunk();120    }121};122PngEncoder.prototype.writeTextualData = function PngEncoder_writeTextualData(key, value) {123    this._buffer.startChunk("tEXt");124    this._buffer.writeString(key);125    this._buffer.writeUInt8(0);126    this._buffer.writeString(value);127    this._buffer.endChunk();128};129PngEncoder.prototype.writeImageEnd = function PngEncoder_writeImageEnd() {130    this._buffer.startChunk("IEND");131    this._buffer.endChunk();132};133PngEncoder.prototype.getBuffer = function PngEncoder_getBuffer() {134    return this._buffer.getBuffer();135};136PngEncoder.GRAYSCALE = 0;137PngEncoder.TRUE_COLOR = 2;138PngEncoder.INDEXED_COLOR = 3;139PngEncoder.GRAYSCALE_WITH_ALPHA = 4;140PngEncoder.TRUE_COLOR_WITH_ALPHA = 6;...Upload.js
Source:Upload.js  
1import React, { useEffect, useState } from "react";2import { ProgressBar, Jumbotron, Form } from "react-bootstrap";3import axios from "axios";4const chunkSize = 1048576 * 100; //its 3MB, increase the number measure in mb5function Upload() {6  const [showProgress, setShowProgress] = useState(false);7  const [progress, setProgress] = useState(0);8  const [fileState, setFileState] = useState({9    fileSize: 0,10    fileId: "",11    totalChunks: 0,12    totalChunksUploaded: 0,13    startChunk: 0,14    endChunk: chunkSize,15    fileToUpload: null,16    uploadedBytes: 0,17  });18  const progressInstance = (19    <ProgressBar animated now={progress} label={`${progress.toFixed(3)}%`} />20  );21  useEffect(() => {22    if (fileState.fileSize > 0) {23      fileUpload(fileState.totalChunksUploaded);24    }25  }, [fileState.fileSize, fileState.totalChunksUploaded]);26  const getFileContext = (e) => {27    setShowProgress(true);28    setProgress(0);29    resetState();30    const file_obj = e.target.files[0];31    const fileId = `${file_obj.size}-${file_obj.lastModified}-${file_obj.name}`;32    axios33      .get("http://localhost:3002/upload/status", {34        headers: {35          "x-file-name": fileId,36          "file-size": file_obj.size,37        },38      })39      .then(({ data }) => {40        const uploadedBytes = data.uploaded;41        console.log("uploaded bbytes ", uploadedBytes);42        const bytesRemaining = file_obj.size - uploadedBytes;43        const endingChunk = Math.min(uploadedBytes + chunkSize, file_obj.size);44        setFileState({45          fileSize: file_obj.size,46          fileId,47          totalChunks: Math.ceil(bytesRemaining / chunkSize),48          totalChunksUploaded: 0,49          startChunk: uploadedBytes,50          endChunk:51            endingChunk === fileState.fileSize ? endingChunk + 1 : endingChunk,52          fileToUpload: file_obj,53          uploadedBytes,54        });55      })56      .catch((err) => console.error("Status call failed ", err));57  };58  const fileUpload = (totalChunksUploaded) => {59    const {60      totalChunks,61      fileToUpload,62      startChunk,63      endChunk,64      fileId,65    } = fileState;66    if (totalChunksUploaded <= totalChunks) {67      var chunk = fileToUpload.slice(startChunk, endChunk);68      uploadChunk(chunk);69    } else {70      axios71        .post("http://localhost:3002/upload/complete", {72          headers: {73            "x-file-name": fileId,74          },75        })76        .then(resetState);77    }78  };79  const uploadChunk = (chunk) => {80    console.table({ ...fileState, fileToUpload: "" });81    const {82      fileId,83      startChunk,84      endChunk,85      fileSize,86      totalChunksUploaded,87      uploadedBytes,88    } = fileState;89    axios90      .post("http://localhost:3002/upload/files", chunk, {91        headers: {92          "x-file-name": fileId,93          "Content-Range": `bytes ${startChunk}-${endChunk}/${fileSize}`,94          "file-size": fileSize,95        },96      })97      .then(({ data }) => {98        const endingChunk = Math.min(endChunk + chunkSize, fileSize);99        setFileState({100          ...fileState,101          totalChunksUploaded: totalChunksUploaded + 1,102          startChunk: endChunk,103          endChunk: endingChunk === fileSize ? endingChunk + 1 : endingChunk,104          uploadedBytes: endingChunk,105        });106        const prog = fileSize ? (uploadedBytes / fileSize) * 100 : 0.1;107        setProgress(prog);108      });109  };110  const resetState = () => {111    setFileState({112      fileSize: 0,113      fileId: "",114      totalChunks: 0,115      totalChunksUploaded: 0,116      startChunk: 0,117      endChunk: chunkSize,118      fileToUpload: null,119      uploadedBytes: 0,120    });121  };122  return (123    <Jumbotron>124      <Form>125        <Form.Group>126          <Form.File127            id="exampleFormControlFile1"128            onChange={getFileContext}129            label="Example file input"130          />131        </Form.Group>132        <Form.Group style={{ display: showProgress ? "block" : "none" }}>133          {progressInstance}134        </Form.Group>135      </Form>136    </Jumbotron>137  );138}...readAsyncIterUntilSequence.js
Source:readAsyncIterUntilSequence.js  
1const CBuffer = require('cbuffer');2const looseAsyncIterWrapper = require('../looseAsyncIterWrapper');3const checkIfAsyncIterEmpty = require('../iter-utils/checkIfAsyncIterEmpty');4const iterFrom = require('../iter-utils/iterFrom');5const cBufferEqualsSequence = require('./cBufferEqualsSequence');6module.exports = readAsyncIterUntilSequence;7function readAsyncIterUntilSequence(source, sequence) {8  const sourceIterator = source[Symbol.asyncIterator]();9  // const sequenceBuf = Buffer.from(sequence);10  const sequenceBuf =11    sequence.constructor === Buffer ? sequence : Buffer.from(sequence);12  const compWindow = new CBuffer(sequenceBuf.length);13  let tempChunk = [];14  let intermediateChunk1 = Buffer.alloc(0);15  let intermediateChunk2 = Buffer.alloc(0);16  // const untilNextOccurance = (async function* () {17  //   for await (const chunk of looseAsyncIterWrapper(sourceIterator)) {18  //     const idx = chunk.indexOf(sequenceBuf);19  //     for (let i = 0; i < chunk.length; ++i) {20  //       compWindow.push(chunk[i]);21  //       if (cBufferEqualsSequence(compWindow, sequenceBuf)) {22  //         const startChunk = chunk.subarray(0, i + 1 - sequenceBuf.length);23  //         const endChunk = chunk.subarray(i + 1);24  //         yield startChunk;25  //         if (endChunk.length) {26  //           tempChunk = iterFrom(endChunk);27  //         }28  //         return;29  //       }30  //     }31  //     yield chunk;32  //   }33  // })();34  const untilNextOccurance = (async function* () {35    let chunk;36    for await (chunk of looseAsyncIterWrapper(sourceIterator)) {37      // let idx;38      // for (;;) {39      //   idx = chunk.indexOf(sequenceBuf);40      //   if (idx === -1) {41      //     yield chunk;42      //     break;43      //   }44      //   const startChunk = chunk.subarray(0, idx + 1 - sequenceBuf.length);45      //   const endChunk = chunk.subarray(idx + 1);46      //   yield startChunk;47      // }48      const idx = chunk.indexOf(sequenceBuf);49      if (idx !== -1) {50        const startChunk = chunk.subarray(0, idx + 1 - sequenceBuf.length);51        const endChunk = chunk.subarray(idx + 1);52        yield startChunk;53        if (endChunk.length) {54          tempChunk = iterFrom(endChunk);55        }56        break;57      }58      yield chunk;59    }60  })();61  //   const untilNextOccurance2 = (async function* () {62  //     const untilMatch = takeFromAsyncIterUntil(63  //       sourceIterator,64  //       chunk => {65  //         for (let i = 0; i < chunk.length; ++i) {66  //           compWindow.push(chunk[i]);67  //           if (cBufferEqualsSequence(compWindow, sequenceBuf)) {68  //             return true;69  //             const startChunk = chunk.subarray(0, i + 1 - sequenceBuf.length);70  //             const endChunk = chunk.subarray(i + 1);71  //             // if (startChunk.length) {72  //             // yield startChunk;73  //             // }74  //             if (endChunk.length) {75  //               tempChunk = iterFrom(endChunk);76  //             }77  //           }78  //         }79  //       },80  //       { includeLast: true }81  //     );82  //     let chunk;83  //     for await (chunk of untilMatch) {84  //       yield chunk;85  //     }86  //     if (chunk !== undefined) {87  //       const startChunk = chunk.subarray(0, i + 1 - sequenceBuf.length);88  //       const endChunk = chunk.subarray(i + 1);89  // }90  //   })();91  const restOfSource = (async function* () {92    yield* tempChunk;93    yield* looseAsyncIterWrapper(sourceIterator);94  })();95  return [untilNextOccurance, restOfSource];96}97async function* takeFromAsyncIterUntil(98  source,99  predicate = () => false,100  { includeLast = false } = {}101) {102  for await (const item of looseAsyncIterWrapper(source)) {103    if (!predicate(item)) {104      if (includeLast) {105        yield item;106      }107      break;108    }109    yield item;110  }...file.controller.js
Source:file.controller.js  
1const httpStatus = require('http-status');2const mongoose = require('mongoose');3const sharp = require('sharp');4const GridFs = require('gridfs-stream');5eval(`GridFs.prototype.findOne = ${GridFs.prototype.findOne.toString().replace('nextObject', 'next')}`);6const GifEncoder = require('gif-encoder');7const catchAsync = require('../utils/catchAsync');8const config = require('../config/config');9let gfs;10const conn = mongoose.createConnection(config.mongoose.url_file, config.mongoose.options);11conn.once('open', () => {12  // Init stream13  gfs = GridFs(conn.db, mongoose.mongo);14  gfs.collection('files');15});16const getFiles = catchAsync(async (req, res) => {17  const { id } = req.params;18  const { w, h } = req.query;19  if (!id || id === 'undefined') {20    res.status(httpStatus.BAD_REQUEST, 'No imges were found');21  }22  const _id = new mongoose.Types.ObjectId(id);23  gfs.findOne({ _id }, (err, files) => {24    if (err) res.send(err);25    if (!files || files.length === 0) return res.status(httpStatus.BAD_REQUEST).send('no files exist');26    const fileTypes = files.contentType.split('/')[0].toUpperCase();27    if (fileTypes === 'IMAGE') {28      if (files.contentType === 'image/gif') {29        const gif = new GifEncoder(w, h);30        gif.pipe(gfs.createReadStream(_id)).pipe(res);31      } else {32        gfs33          .createReadStream(_id)34          .pipe(sharp().resize({ width: w, height: h, fit: sharp.fit.inside }).png())35          .pipe(res);36      }37    } else if (fileTypes === 'AUDIO' || fileTypes === 'VIDEO') {38      const { range } = req.headers;39      const { length } = files;40      const CHUNK_SIZE = 10 ** 6;41      const startChunk = Number((range || '').replace(/bytes=/, '').split('-')[0]);42      const endChunk = Math.min(startChunk + CHUNK_SIZE, length - 1);43      const chunkSize = endChunk - startChunk + 1;44      res.set({45        'Content-Range': `bytes ${startChunk}-${endChunk}/${length}`,46        'Content-Length': chunkSize,47        'Content-Type': files.contentType,48        'Accept-Ranges': 'bytes',49      });50      res.status(206);51      const fileReadStream = gfs.createReadStream({52        _id,53        range: {54          startPos: startChunk,55          endPos: endChunk,56        },57      });58      fileReadStream.on('open', () => fileReadStream.pipe(res));59      fileReadStream.on('end', () => res.end());60    } else {61      const { length } = files;62      if (files.contentType === 'application/pdf') {63        res.set({64          'Content-Length': length,65          'Content-Type': files.contentType,66          'Content-Transfer-Encoding': 'binary',67          'Accept-Ranges': 'bytes',68        });69      } else70        res.set({71          'Content-Length': length,72          'Content-Disposition': `attachment; filename=${files.filename}`,73          'Content-Type': files.contentType,74          'Content-Transfer-Encoding': 'binary',75          'Accept-Ranges': 'bytes',76        });77      gfs.createReadStream(_id).pipe(res);78    }79  });80});81module.exports = {82  getFiles,...Decompose DNA.js
Source:Decompose DNA.js  
1// https://www.codewars.com/kata/decompose-double-strand-dna-into-6-reading-frames2const REVERSING = {3    A:'T',4    G:'C',5    T:'A',6    C:'G'7};8const FRAMES_SCHEMA = [9    {name:'Frame 1',startChunk:3,maxChunkSize:3},10    {name:'Frame 2',startChunk:1,maxChunkSize:3},11    {name:'Frame 3',startChunk:2,maxChunkSize:3}12]13function spliceStingIntoChunks(string,startChunk,maxChunkSize){14    const array = Array.from(string);15    const chunks = [];16    let i = 0;17    while(array.length>0) {18        chunks.push(array.splice(0, i?maxChunkSize:startChunk));19        i++;20    }21    return chunks;22}23const COMMA_REGEXP = /\,/g;24function combineStringFromChunks(chunks) {25    return chunks.join(' ').replace(COMMA_REGEXP,'');26}27function replaceAt(str,index,sub) {28    return str.substr(0,index) + sub + str.substr(index+1,str.length);29}30function reverseDNA(dna) {31    let i = 0;32    while(dna.length>i) {33        dna = replaceAt(dna,i,REVERSING[dna[i]] || dna[i]);34        i++;35    }36    return dna;37}38function decomposeDoubleStrand(doubleStrand){39    let outputData = '';40    FRAMES_SCHEMA.forEach(({name,startChunk,maxChunkSize})=>{41        outputData+= name+': '+combineStringFromChunks(spliceStingIntoChunks(doubleStrand,startChunk,maxChunkSize))+'\n';42    });43    outputData+='\n';44    const reversedDna = reverseDNA(doubleStrand).split('').reverse().join('');45    FRAMES_SCHEMA.forEach(({name,startChunk,maxChunkSize})=>{46        outputData+= 'Reverse '+name+': '+combineStringFromChunks(spliceStingIntoChunks(reversedDna,startChunk,maxChunkSize))+'\n';47    });48    return outputData.substr(0,outputData.length-1);49}...jsonp.js
Source:jsonp.js  
1/*!2 * jsonp.js3 * Created by Kilian Ciuffolo on Dec 25, 20134 * Copyright (c) 2013 Kilian Ciuffolo, me@nailik.org5 */6'use strict'7const JSONPStream = require('./jsonp-stream')8module.exports = function jsonp (options) {9  options = options || {}10  let domain = options.domain || '.default.lan'11  let callbackName = options.callbackName || 'callback'12  let iframeHtmlTemplate = [13    '<!doctype html><html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"/><script type="text/javascript">document.domain = "' + domain + '";parent.',14    '(',15    ');</script></head><body></body></html>'16  ]17  return function * _jsonp (next) {18    yield* next19    let startChunk, endChunk20    let callback = this.query[callbackName]21    if (!callback) return22    if (this.body == null) return23    if (this.method === 'POST') {24      this.type = 'html'25      startChunk = iframeHtmlTemplate[0] + callback + iframeHtmlTemplate[1]26      endChunk = iframeHtmlTemplate[2]27    } else {28      this.type = 'text/javascript'29      startChunk = ';' + callback + '('30      endChunk = ');'31    }32    // handle streams33    if (typeof this.body.pipe === 'function') {34      this.body = this.body.pipe(new JSONPStream({35        startChunk: startChunk,36        endChunk: endChunk37      }))38    } else {39      this.body = startChunk + JSON.stringify(this.body, null, this.app.jsonSpaces) + endChunk40      // JSON parse vs eval fix. https://github.com/rack/rack-contrib/pull/3741      this.body = this.body42        .replace(/\u2028/g, '\\u2028')43        .replace(/\u2029/g, '\\u2029')44    }45  }...index.js
Source:index.js  
1const splitter = (promises, options, cb) => new Promise(async (resolve, reject) => {2  if (!promises.length) return resolve();3  const defaultOptions = {4    chunkSize: 5,5    retryLimit: 3,6    startChunk: 1,7    verbose: false,8    logger: {9      log: console.log,10      error: console.error11    }12  };13  if (typeof options === 'function') {14    cb = options;15    options = {};16  } else if (typeof options === 'undefined') {17    options = {};18  }19  options = Object.assign(defaultOptions, options);20  const { chunkSize, retryLimit, verbose, startChunk, logger } = options;21  const l = promises.length;22  const chunkTotal = Math.ceil(l / chunkSize);23  const out = [];24  if (verbose) logger.log(`Splitting promise list in ${chunkTotal} chunk${chunkTotal > 1 ? 's': ''} of ${chunkSize} promise${chunkSize > 1 ? 's' : ''}, starting from chunk ${startChunk}.`);25  for (let i = (startChunk - 1) * chunkSize; i < l; i+=chunkSize) {26    const chunkIndex = i / chunkSize + 1;27    let retryCount = retryLimit || 1;28    if (verbose) logger.log(`chunk ${chunkIndex}`);29    while (retryCount) try {30      const result = await Promise.all(promises.slice(i, i + chunkSize).map(fn => fn(chunkIndex)));31      out.push(result);32      if (cb) cb(null, result);33      break;34    } catch (err) {35      err.chunkIndex = chunkIndex;36      logger.error(err);37      logger.log(`retry ${retryLimit - retryCount + 1}/${retryLimit}...`);38      retryCount--;39      if (retryCount === 0) {40        return reject(err);41      }42      if (cb) cb(err);43    }44  }45  resolve(out);46});...Level.js
Source:Level.js  
...9    this.chunk = 0;10    //debug a specific chunk (0-6)11    this.chunk = 0;12    this.build();13    this.startChunk(0);14}15Level.prototype.update = function(dt) {16    this.chunks[this.chunk].update(dt);17};18Level.prototype.build = function() {19    this.chunks = [20        new IntroChunk(this),21        new SparseChunk(this),22        new FourthNoteChunk(this),23        new DenseChunk(this),24        new BossChunk(this),25        new ChorusChunk(this),26        new ClimaxChunk(this)27    ];28};29Level.prototype.doItem = function(item) {30    item.action(this.game);31};32Level.prototype.chunkComplete = function(extraTime){33    this.chunk++;34    if(this.chunk >= this.chunks.length) this.chunk = 0;35    this.startChunk(extraTime);36};37Level.prototype.startChunk = function(extraTime) {38    this.chunks[this.chunk].start(extraTime);...Using AI Code Generation
1const { chromium } = require('playwright');2(async () => {3  const browser = await chromium.launch();4  const page = await browser.newPage();5  await page.startChunk();6  await page.startChunk();7  await browser.close();8})();Using AI Code Generation
1const { startChunk } = require('@playwright/test');2const { chromium } = require('playwright');3const browser = await chromium.launch();4const context = await browser.newContext();5const page = await context.newPage();6const recorder = await startChunk(page);7const { stopChunk } = require('@playwright/test');8const { chromium } = require('playwright');9const browser = await chromium.launch();10const context = await browser.newContext();11const page = await context.newPage();12const recorder = await startChunk(page);13await stopChunk(recorder);14### `startChunk(page)`15### `stopChunk(recorder)`16const { test, expect } = require('@playwright/test');17const { startChunk, stopChunk } = require('@playwright/test');18test('basic test', async ({ page }) => {19  const recorder = await startChunk(page);20  await expect(page).toHaveTitle('Playwright');21  await stopChunk(recorder);22});23- [Playwright](Using AI Code Generation
1const { Playwright } = require("playwright");2const playwright = new Playwright();3(async () => {4  const browser = await playwright.chromium.launch();5  const page = await browser.newPage();6  await page.startChunk();7  await page.stopChunk();8  await browser.close();9})();10### `page.startChunk()`11### `page.stopChunk()`12### `page.isRecording()`13### `page.getChunks()`14### `page.saveChunks(file)`15### `page.loadChunks(file)`Using AI Code Generation
1const { test } = require('@playwright/test');2const { startChunk } = require('@playwright/test/lib/server/chromium/recorder/recorderApp');3const path = require('path');4test('test', async ({ page }) => {5  await startChunk(page, path.join(__dirname, 'testChunk'));6  await page.click('text="Docs"');7  await page.click('text="API"');8  await page.click('text="class"');9  await page.click('text="BrowserConUsing AI Code Generation
1const { startChunk, stopChunk } = require('playwright-core/lib/server/chromium/recorder/recorderApp');2startChunk(page);3stopChunk(page);4const { startChunk, stopChunk } = require('playwright-core/lib/server/chromium/recorder/recorderApp');5const { chromium } = require('playwright-core');6(async () => {7  const browser = await chromium.launch();8  const page = await browser.newPage();9  startChunk(page);10  await page.click('text=Get started');11  stopChunk(page);12  await browser.close();13})();14#### startChunk(page: Page)15#### stopChunk(page: Page)Using AI Code Generation
1const { _electron } = require('playwright');2const path = require('path');3const fs = require('fs');4const { promisify } = require('util');5const writeFileAsync = promisify(fs.writeFile);6const { chromium } = require('playwright');7(async () => {8  const browser = await chromium.launch({ headless: false });9  const context = await browser.newContext();10  const page = await context.newPage();11  const video = await page.$('video');12  const videoPath = path.join(__dirname, 'video.mp4');13  const videoWriter = await _electron.startChunk(video, videoPath);14  await page.waitForTimeout(5000);15  await videoWriter.stop();16  await browser.close();17})();Using AI Code Generation
1const { chromium } = require('playwright');2const path = require('path');3(async () => {4  const browser = await chromium.launch({5  });6  const context = await browser.newContext({7    recordVideo: { dir: path.join(__dirname, 'videos') },8  });9  const page = await context.newPage();10  await page._client.send('Network.setCacheDisabled', { cacheDisabled: true });11  await page._client.send('Network.setBypassServiceWorker', { bypass: true });12  await page._client.send('Network.emulateNetworkConditions', {13  });14  await page._client.send('Network.setExtraHTTPHeaders', {15    headers: {16      'Accept-Language': 'en-US,en;q=0.9',17    },18  });19  await page._client.send('Network.setAcceptLanguageOverride', {20    acceptLanguage: 'en-US,en;q=0.9',21  });22  await page._client.send('Network.setUserAgentOverride', {23      'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4427.0 Safari/537.36',24  });25  await page._client.send('Network.setBlockedURLs', {26  });27  await page._client.send('Using AI Code Generation
1const { startChunk, endChunk } = require('playwright/lib/server/chromium/recorder/recorderApp');2(async () => {3  await startChunk('test');4  await endChunk();5})();6const { test, startChunk, endChunk } = require('@playwright/test');7test('test', async ({ page }) => {8  await startChunk('test');9  await endChunk();10});11const { startChunk, endChunk } = require('playwright/lib/server/chromium/recorder/recorderApp');12(async () => {13  await startChunk('test');14  await endChunk();15})();16const { test, startChunk, endChunk } = require('@playwright/test');17test('test', async ({ page }) => {18  await startChunk('test');19  await endChunk();20});21const { startChunk, pauseChunk, endChunk } = require('playwright/lib/server/chromium/recorder/recorderApp');22(async () => {23  await startChunk('test');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.
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