Best JavaScript code snippet using playwright-internal
v8-profiler.js
Source:v8-profiler.js  
...15        expect(Object.keys(profiler.profiles)).to.have.length(1);16      });17      it('should replace profile title, if started with name argument', function() {18        profiler.startProfiling('P');19        var profile = profiler.stopProfiling();20        expect(profile.title).to.equal('P');21      });22      it('should record samples, if started with recsamples argument', function() {23        if (NODE_V_010) return;24        profiler.startProfiling(true);25        var profile = profiler.stopProfiling();26        expect(profile.samples.length > 0).to.equal(true);27      });28      it('should throw on setSamplingInterval if profile recording in progress', function() {29        profiler.startProfiling();30        expect(profiler.setSamplingInterval).to.throw(31          'setSamplingInterval must be called when there are no profiles being recorded.');32        profiler.stopProfiling();33      });34      it('should set sampling interval', function() {35        profiler.setSamplingInterval(1000);36      });37    });38    describe('Profile', function() {39      it('should export itself with callback', function() {40        profiler.startProfiling('', true);41        var profile = profiler.stopProfiling();42        profile.export(function(error, result) {43          var _result = JSON.parse(result);44          expect(result).to.be.a('string');45          expect(_result).to.be.an('object');46        });47      });48      it('should export itself with stream', function(done) {49        profiler.startProfiling('', true);50        var profile = profiler.stopProfiling();51        var fs = require('fs'),52            ws = fs.createWriteStream('profile.json');53        profile.export().pipe(ws);54        ws.on('finish', function() {55          fs.unlink('profile.json', done);56        });57      });58    });59    function deleteAllProfiles() {60      Object.keys(profiler.profiles).forEach(function(key) {61        profiler.profiles[key].delete();62      });63    }64  });...binding.test.js
Source:binding.test.js  
...27    describe('Profile', function () {28      afterEach(() => cpu.setGenerateType(0));29      it('has expected structure', function () {30        cpu.startProfiling('', true);31        const profile = cpu.stopProfiling();32        const properties = NODE_V_010 ?33          ['delete', 'typeId', 'uid', 'title', 'head'] :34          ['delete', 'typeId', 'uid', 'title', 'head', 'startTime', 'endTime', 'samples', 'timestamps'];35        properties.forEach(function (prop) {36          expect(profile).to.have.property(prop);37        });38      });39      it('has expected structure with generateType 1', function () {40        cpu.setGenerateType(1);41        cpu.startProfiling('', true);42        const profile = cpu.stopProfiling();43        const properties = NODE_V_010 ?44          ['delete', 'typeId', 'uid', 'title', 'head'] :45          ['delete', 'typeId', 'uid', 'title', 'nodes', 'startTime', 'endTime', 'samples', 'timeDeltas'];46        properties.forEach(function (prop) {47          expect(profile).to.have.property(prop);48        });49      });50      it('should delete itself from profiler cache', function () {51        cpu.startProfiling('', true);52        const profile = cpu.stopProfiling();53        const oldProfilesLength = Object.keys(cpu.profiles).length;54        profile.delete();55        expect(oldProfilesLength - Object.keys(cpu.profiles).length).to.equal(1);56      });57    });58    describe('Profile Node', function () {59      it('has expected structure', function () {60        cpu.startProfiling('P');61        const profile = cpu.stopProfiling();62        const mainProps = ['functionName', 'url', 'lineNumber', 'children',63          'bailoutReason', 'id', 'hitCount'];64        const extendedProps = NODE_V_010 ? [] : ['scriptId'];65        const properties = mainProps.concat(extendedProps);66        properties.forEach(function (prop) {67          expect(profile.head).to.have.property(prop);68        });69      });70    });71    describe('Profile Nodes', function () {72      it('has expected structure', function () {73        cpu.setGenerateType(1);74        cpu.startProfiling('P');75        const profile = cpu.stopProfiling('P');76        const mainProps = ['id', 'hitCount', 'callFrame', 'children'];77        const callFrameMainProps = ['functionName', 'scriptId', 'lineNumber', 'columnNumber',78          'bailoutReason', 'url'];79        const extendedProps = NODE_V_010 ? [] : ['scriptId'];80        const callFrameProps = callFrameMainProps.concat(extendedProps);81        mainProps.forEach(function (prop) {82          for (const node of profile.nodes) {83            expect(node).to.have.property(prop);84          }85        });86        callFrameProps.forEach(function (prop) {87          for (const node of profile.nodes) {88            expect(node.callFrame).to.have.property(prop);89          }...100:main.js
Source:100:main.js  
1//////////////////////////////////////////////////////////////////2///////////////////////////3)main3//////////////////////////////////////////////////////////////////4include("015:debug");5stopProfiling(); //fin importation des fichiers6startProfiling("Chargement des data");7if (getTurn() === 1) { //ou 1 ? 8	setWeapon(getWeapons()[count(getWeapons())-1]);9	//les armes sont triées par ordre croissant de niveau, on prend le top level10	startProfiling("Initialisation premier tour");11	DATA_VOISIN_VIDE =  SetDataVoisin();12	DATA_VOISIN_OBSTACLE = SetDataVoisinObstacle();13	setDataMapScoreObstacle();14	stopProfiling();15}16startProfiling("Data voisin & AoE");17DATA_VOISIN = MajDataVoisin(DATA_VOISIN_OBSTACLE);18DATA_AOE = getFilledArray(614, getFilledArray(8, []));19DATA_AOE_SCORE = getFilledArray(614, getFilledArray(8, 0));20SetDataAOE();21SetAoeLigne();22stopProfiling();23startProfiling("Data LoS enemie & map score ");24DATA_LOS_ENEMIE = getFilledArray(614, 0);25DATA_MAP_SCORE = getFilledArray(614, 0);26DATA_MAP_SCORE_ANGLE = getFilledArray(614, 0);27SetDataScoreAngle();28SetDataLosEnemie();29DATA_DISTANCES = getTerrainDeplacement();30SetCellsScore();31if (getTurn() <= 8) {32	startProfiling("afficher map score");33	AfficherMapScore();34	stopProfiling();35}36stopProfiling();37stopProfiling(); //fin calculs des datas	38var svg_ma_cell = getCell();39startProfiling("main");40startProfiling("jouer");41//actions : [score, arme, cell_cible]42//scores replis : [score,cell_repplis]43var conteur_action = 0;44startProfiling("action " + conteur_action);45var pointeur = 0;46startProfiling("cells et LoS");47var mes_cells = GetCellAccesibles(getMP(), getCell(), DATA_VOISIN);48var cell_los = SetDataLos(mes_cells);49stopProfiling();50startProfiling("actions");51var actions = getActionsAvancees(mes_cells, cell_los);52AfficherActions(actions);53AfficherScoreActionArmes(actions);54stopProfiling();55stopProfiling();56while (pointeur < count(actions)) {57	var arme = actions[pointeur][ACTION_ARME];58	if (getTP() > getArmeCost(arme) or((getTP() == getArmeCost(arme)) and(IsChip(arme) or getWeapon() == arme))) {59		if (actions[pointeur][ACTION_SCORE_PLACEMENT] >= DATA_MAP_SCORE_REPPLIS_MOYENNE * COEF_MINIMUM_REPPLIS and actions[pointeur][ACTION_SCORE_TOTAL] >= COEF_MINIMUM_ACTION) {60			//Jouer61			startProfiling("jouer");62			var derniere_cell = getCell();63			var cell_cible = actions[pointeur][ACTION_CELL_CIBLE];64			var cell_attaquant = actions[pointeur][ACTION_CELL_PLACEMENT];65			debug("déplacement " + getCell() + " -> " + cell_attaquant + " pour attaquer la cell " + getCellContentString(cell_cible) + " avec l'arme " + getArmeName(arme));66			if (not isStackableArme(arme) and isLeek(cell_cible) and  isAlreadyEffected(getLeekOnCell(cell_cible),arme)) {67				continue;68			}69			moveTowardCell(cell_attaquant);70			jouerAction(arme, cell_cible);71			conteur_action += 1;72			stopProfiling();73			if (derniere_cell !== getCell() or getOperations()/OPERATIONS_LIMIT < 0.6) {74				startProfiling("action " + conteur_action);75				pointeur = 0;76				startProfiling("cells et LoS");77				mes_cells = GetCellAccesibles(getMP(), getCell(), DATA_VOISIN);78				cell_los = SetDataLos(mes_cells);79				stopProfiling();80				startProfiling("actions");81				actions = getActionsAvancees(mes_cells, cell_los);82				stopProfiling();83				stopProfiling();84			}85			if (getOperations() > OPERATIONS_LIMIT - 100000) {86				debugW("fin du tour par limite d'opération");87				pointeur = count(actions) + 1;88			}89		}90	} //bon score91	pointeur++;92} //while pointeur93//déplacement cell final94mes_cells = getCellAccesiblesFlatten(getMP(), getCell(), DATA_VOISIN);95var cell_max = null;96var score_max = -9999999;97for (var cell in mes_cells[0]) {...profiler.js
Source:profiler.js  
...86    duration = arguments[1];87  }88  native.startProfiling(path, duration);89}90function stopProfiling() {91  native.stopProfiling();92  return new Profile();93}94exports.takeSnapshot = takeSnapshot;95exports.startProfiling = startProfiling;...cpuprofiler.js
Source:cpuprofiler.js  
...14/**15 * Stops the profiler and writes the data to a file16 * @param id the id of the profiler process to stop17 */18function stopProfiling(id) {19  var profile = profiler.stopProfiling(id)20  fs.writeFile(_datadir + '/' + id + '.cpuprofile', JSON.stringify(profile), function () {21    console.log('Profiler data written')22  })23}24/**25 * Starts profiling and schedules its end26 */27function startProfiling() {28  pusage.stat(process.pid, function(err, stat) {29    // console.log('Pcpu: %s', stat.cpu)30    // console.log('Mem: %s', stat.memory)31    if (!!process.env.CPU_TRACER_TRESHOLD && Number(stat.cpu) >= Number(process.env.CPU_TRACER_TRESHOLD)) {32      var stamp = Date.now()33      var id = '' + stamp34      // Use stdout directly to bypass eventloop35      // fs.writeSync(1, 'Start profiler with Id [' + id + ']\n')36      // Start profiling37      profiler.startProfiling(id)38      // Schedule stop of profiling in x seconds39      setTimeout(function () {40        stopProfiling(id)41      }, 5 * 1000)42    }43  })44}45/**46 * Init and schedule profiler runs47 *48 * @param datadir Folder to save the data to49 */50module.exports.init = function (datadir) {51  _datadir = (process.cwd() + '/' + datadir)52  fs.exists(_datadir, function(exists) {53    if (!exists) {54      fs.mkdir(_datadir, function() {...bench.js
Source:bench.js  
...13endTime = process.hrtime(startTime);14console.log(JSON.stringify(x.slice(4), null, "  "));15console.log(endTime);16//console.log("x=%d", x);17//var cpuProfile = v8p.stopProfiling('captureStackTrace');18//fs.writeFileSync('captureStackTrace.log', JSON.stringify(cpuProfile, null, "  "));19console.log('--------------------------------------');20//v8p.startProfiling('getStackParsedFrames');21startTime = process.hrtime();22for (i = 0; i < COUNT; ++i) x = client.getStackParsedFrames();23endTime = process.hrtime(startTime);24console.log(JSON.stringify(x.slice(4), null, "  "));25console.log(endTime);26//console.log("x=%d", x);27//var cpuProfile3 = v8p.stopProfiling('getStackParsedFrames');28//fs.writeFileSync('getStackParsedFrames.log', JSON.stringify(cpuProfile3, null, "  "));29console.log('--------------------------------------');30//v8p.startProfiling('getRawStackFrames');31startTime = process.hrtime();32for (i = 0; i < COUNT; ++i) x = getStackFrames_better();33console.log(JSON.stringify(x.slice(4), null, "  "));34endTime = process.hrtime(startTime);35console.log(endTime);36//var cpuProfile2 = v8p.stopProfiling('getRawStackFrames');...profiling.js
Source:profiling.js  
...6function resetProfiler() {7    if (!!timeoutProfiling)8        clearTimeout(timeoutProfiling);9    timeoutProfiling = setTimeout(resetProfiler, timeoutProfilingDuration);10    const profile = profiler.stopProfiling();11    profile.delete();12    profiler.deleteAllProfiles();13    profiler.startProfiling(new Date().getTime().toString());14    return profile;15}16function startProfiling(opts) {17    if (!opts)18        opts = {};19    const samplingInterval = !!opts.samplingInterval ? opts.samplingInterval : DEFAULT_SAMPLING_INTERVAL;20    profiler.setSamplingInterval(samplingInterval);21    profiler.startProfiling(new Date().getTime().toString());22    timeoutProfiling = setTimeout(resetProfiler, timeoutProfilingDuration);23};24function stopProfiling() {25    if (!!timeoutProfiling)26        clearTimeout(timeoutProfiling);27    const profile = profiler.stopProfiling();28    profile.delete();29    profiler.deleteAllProfiles();30}...ProfilerAgent.js
Source:ProfilerAgent.js  
...7    profiler.startProfiling();8    profilingEnabled = true;9  });10  debug.register('Profiler.stop', function(request, response) {11    var profile = profiler.stopProfiling();12    profilingEnabled = false;13    response.body = {profile: profile};14    process.nextTick(function() {15      profile.delete();16    });17  });18  debug.on('close', function() {19    if (profilingEnabled) profiler.stopProfiling();20    profiler.deleteAllProfiles();21  });...Using AI Code Generation
1const { chromium } = require('playwright');2(async () => {3  const browser = await chromium.launch({ headless: false });4  const context = await browser.newContext();5  const page = await context.newPage();6  await page.screenshot({ path: 'example.png' });7  const profile = await page.context().stopProfiling();8  await browser.close();9})();10const { chromium } = require('playwright');11(async () => {12  const browser = await chromium.launch({ headless: false });13  const context = await browser.newContext();14  const page = await context.newPage();15  await page.screenshot({ path: 'example.png' });16  await page.context().startProfiling();17  await browser.close();18})();19const { chromium } = require('playwright');20(async () => {21  const browser = await chromium.launch({ headless: false });22  const context = await browser.newContext();23  const page = await context.newPage();24  await page.screenshot({ path: 'example.png' });25  await page.context().startTracing();26  await browser.close();27})();28const { chromium } = require('playwright');29(async () => {30  const browser = await chromium.launch({ headless: false });31  const context = await browser.newContext();32  const page = await context.newPage();33  await page.screenshot({ path: 'example.png' });34  const trace = await page.context().stopTracing();35  await browser.close();36})();37const { chromium } = require('playwright');38(async () => {39  const browser = await chromium.launch({ headless: false });40  const context = await browser.newContext();41  const page = await context.newPage();42  await page.screenshot({ path: 'example.png' });43  const client = await page.context().newCDPSession(page);44  await browser.close();45})();Using AI Code Generation
1const { chromium } = require('playwright');2(async () => {3  const browser = await chromium.launch({ headless: false });4  const context = await browser.newContext();5  const page = await context.newPage();6  const profile = await page.stopProfiling();7  await browser.close();8})();9const { chromium } = require('playwright');10(async () => {11  const browser = await chromium.launch({ headless: false });12  const context = await browser.newContext();13  const page = await context.newPage();14  await page.startProfiling();15  const profile = await page.stopProfiling();16  await browser.close();17})();18const { chromium } = require('playwright');19(async () => {20  const browser = await chromium.launch({ headless: false });21  const context = await browser.newContext();22  const page = await context.newPage();23  await page.startProfiling();24  const profile = await page.stopProfiling();25  await browser.close();26})();27const { chromium } = require('playwright');28(async () => {29  const browser = await chromium.launch({ headless: false });30  const context = await browser.newContext();31  const page = await context.newPage();32  await page.startProfiling();33  const profile = await page.stopProfiling();34  await browser.close();35})();36const { chromium } = require('playwright');37(async () => {38  const browser = await chromium.launch({ headless: false });39  const context = await browser.newContext();40  const page = await context.newPage();41  await page.startProfiling();42  const profile = await page.stopProfiling();Using AI Code Generation
1const { chromium } = require('playwright');2const fs = require('fs');3(async () => {4    const browser = await chromium.launch();5    const context = await browser.newContext();6    const page = await context.newPage();7    const profile = await page.context()._browser._connection.send('Profiler.stop');8    fs.writeFileSync('profile.json', JSON.stringify(profile));9    await browser.close();10})();11Error: Protocol error (Profiler.stop): Profiler is not started12const profile = await page.context()._browser._connection.send('Profiler.stop');13    fs.writeFileSync('profile.json', JSON.stringify(profile));14Error: Protocol error (Profiler.stop): Profiler is not started15const profile = await page.context()._browser._connection.send('Profiler.stop');16    fs.writeFileSync('profile.json', JSON.stringify(profile));17Error: Protocol error (Profiler.stop): Profiler is not started18const profile = await page.context()._browser._connection.send('Profiler.stop');19    fs.writeFileSync('profile.json', JSON.stringify(profile));20Error: Protocol error (Profiler.stop): Profiler is not started21const profile = await page.context()._browser._connection.send('Profiler.stop');22    fs.writeFileSync('profile.json', JSON.stringify(profile));23Error: Protocol error (Profiler.stop): Profiler is not started24const profile = await page.context()._browser._connection.send('Profiler.stop');25    fs.writeFileSync('profile.json', JSON.stringify(profile));26Error: Protocol error (Profiler.stop): Profiler is not started27const profile = await page.context()._browser._connection.send('Profiler.stop');28    fs.writeFileSync('profile.json', JSON.stringify(profile));29Error: Protocol error (Profiler.stop): Profiler is not started30const profile = await page.context()._browser._connection.send('Profiler.stop');31    fs.writeFileSync('profile.jsonUsing AI Code Generation
1const fs = require('fs');2const { chromium } = require('playwright');3(async () => {4  const browser = await chromium.launch();5  const page = await browser.newPage();6  await page.click('text=Sign in');7  await page.fill('input[type="email"]', 'Using AI Code Generation
1const fs = require('fs');2const path = require('path');3const { chromium } = require('playwright');4const { stopProfiling } = require('playwright/lib/client/profiler');5(async () => {6  const browser = await chromium.launch();7  const context = await browser.newContext();8  const page = await context.newPage();9  await page.screenshot({ path: 'example.png' });10  await browser.close();11  const profile = await stopProfiling();12  fs.writeFileSync(path.join(__dirname, 'profile.json'), JSON.stringify(profile));13})();14const browser = await chromium.launch({ devtools: true });15const fs = require('fs');16const path = require('path');17const { chromium } = require('playwright');18const { chromiumLauncher } = require('playwright/lib/server/chromium/chromiumLauncher');19(async () => {20  const browser = await chromium.launch({ devtools: true });21  const browserServer = await chromiumLauncher.launchProcess({ ...browser.options(), headless: true });22  const browserWSEndpoint = browserServer.wsEndpoint();23  const context = await browser.newContext();24  const page = await context.newPage();25  await page.screenshot({ path: 'example.png' });26  const profile = await page.context().profile();27  fs.writeFileSync(path.join(__dirname, 'profile.json'), JSON.stringify(profile));28  await browser.close();29  await browserServer.close();30})();Using AI Code Generation
1const { chromium, devices, webkit, firefox } = require('playwright');2const fs = require('fs');3(async () => {4  const browser = await chromium.launch();5  const page = await browser.newPage();6  await page.waitForTimeout(5000);7  const profile = await page.context().internalApi().stopProfiling();8  fs.writeFile('profile.json', JSON.stringify(profile), 'utf8', function(err) {9    if (err) {10      return console.log(err);11    }12    console.log('The file was saved!');13  });14  await browser.close();15})();16{17    {18      "callFrame": {19      },Using AI Code Generation
1const fs = require("fs");2const util = require("util");3const { chromium } = require("playwright");4const { PlaywrightInternal } = require("playwright-core/lib/server/playwright");5const writeFileAsync = util.promisify(fs.writeFile);6(async () => {7  const browser = await chromium.launch({ headless: false });8  const page = await browser.newPage();9  await page.type("#lst-ib", "hello world");10  await page.keyboard.press("Enter");11  const internal = PlaywrightInternal.from(browser);12  const profile = await internal.stopProfiling();13  await writeFileAsync("profile.cpuprofile", JSON.stringify(profile));14  await browser.close();15})();16{17  "scripts": {18  },19  "dependencies": {20  }21}Using AI Code Generation
1const { chromium } = require('playwright');2const path = require('path');3(async () => {4  const browser = await chromium.launch();5  const context = await browser.newContext();6  const page = await context.newPage();7  const profile = await page.stopProfiling();8  await browser.close();9})();10const fs = require('fs');11const path = require('path');12module.exports = async function saveProfile(profile) {13  const dir = path.join(__dirname, 'profiles');14  if (!fs.existsSync(dir)) {15    fs.mkdirSync(dir);16  }17  const profilePath = path.join(dir, `profile-${Date.now()}.json`);18  await profile.save(profilePath);19  console.log(`Profile saved at ${profilePath}`);20};21{22  "scripts": {23  },24  "dependencies": {25  }26}27{28    {29      "callFrame": {30        "functionName": "(root)",31      },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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