Best JavaScript code snippet using playwright-internal
ReactPerf.js
Source:ReactPerf.js  
...350    };351  });352  consoleTable(table);353}354function printOperations(flushHistory) {355  if (!(process.env.NODE_ENV !== 'production')) {356    warnInProduction();357    return;358  }359  var stats = getOperations(flushHistory);360  var table = stats.map(function (stat) {361    return {362      'Owner > Node': stat.key,363      Operation: stat.type,364      Payload: typeof stat.payload === 'object' ? JSON.stringify(stat.payload) : stat.payload,365      'Flush index': stat.flushIndex,366      'Owner Component ID': stat.ownerID,367      'DOM Component ID': stat.instanceID368    };369  });370  consoleTable(table);371}372var warnedAboutPrintDOM = false;373function printDOM(measurements) {374  lowPriorityWarning(warnedAboutPrintDOM, '`ReactPerf.printDOM(...)` is deprecated. Use ' + '`ReactPerf.printOperations(...)` instead.');375  warnedAboutPrintDOM = true;376  return printOperations(measurements);377}378var warnedAboutGetMeasurementsSummaryMap = false;379function getMeasurementsSummaryMap(measurements) {380  lowPriorityWarning(warnedAboutGetMeasurementsSummaryMap, '`ReactPerf.getMeasurementsSummaryMap(...)` is deprecated. Use ' + '`ReactPerf.getWasted(...)` instead.');381  warnedAboutGetMeasurementsSummaryMap = true;382  return getWasted(measurements);383}384function start() {385  if (!(process.env.NODE_ENV !== 'production')) {386    warnInProduction();387    return;388  }389  ReactDebugTool.beginProfiling();390}...6558d0ReactPerf.js
Source:6558d0ReactPerf.js  
...289'Render count':renderCount};290});291consoleTable(table);292}293function printOperations(flushHistory){294if(!__DEV__){295warnInProduction();296return;297}298var stats=getOperations(flushHistory);299var table=stats.map(function(stat){return{300'Owner > Node':stat.key,301'Operation':stat.type,302'Payload':typeof stat.payload==='object'?303JSON.stringify(stat.payload):304stat.payload,305'Flush index':stat.flushIndex,306'Owner Component ID':stat.ownerID,307'DOM Component ID':stat.instanceID};});308consoleTable(table);309}310var warnedAboutPrintDOM=false;311function printDOM(measurements){312warning(313warnedAboutPrintDOM,314'`ReactPerf.printDOM(...)` is deprecated. Use '+315'`ReactPerf.printOperations(...)` instead.');316warnedAboutPrintDOM=true;317return printOperations(measurements);318}319var warnedAboutGetMeasurementsSummaryMap=false;320function getMeasurementsSummaryMap(measurements){321warning(322warnedAboutGetMeasurementsSummaryMap,323'`ReactPerf.getMeasurementsSummaryMap(...)` is deprecated. Use '+324'`ReactPerf.getWasted(...)` instead.');325warnedAboutGetMeasurementsSummaryMap=true;326return getWasted(measurements);327}328function start(){329if(!__DEV__){330warnInProduction();331return;...PrimitiveCalculator.js
Source:PrimitiveCalculator.js  
...14    bag[i] = { operations: [], minimum: 0 };15  }16  return bag;17}18function printOperations(operations) {19  var result = [1];20  var ops = operations;21  ops.reduce(function (acc, i) {22    var n = PRIMITIVES[i](acc);23    result.push(n);24    return n;25  }, 1);26  return result.join(', ');27}28function calculatePrimitive(number) {29  var bag = _initializeBag(number + 1);30  if (number === 1) {31    return { operations: [], minimum: 0 };32  }33  for (var j = 1; j <= number; j++) {34    if (j === 0) {35      continue;36    } else if (j === 1) {37      bag[j].operations.push(ADD_ONE);38      bag[j].minimum = 1;39    } else if (j === 2) {40      bag[j].operations.push(MULTIPLY_TWO);41      bag[j].minimum = 1;42    } else if (j === 3) {43      bag[j].operations.push(MULTIPLY_THREE);44      bag[j].minimum = 1;45    } else {46      var currentMinimum = bag[j - 1].minimum;47      var currentOp = ADD_ONE;48      var currentOps = bag[j - 1].operations.slice(0);49      if (j % 3 === 0 && bag[j / 3].minimum < currentMinimum) {50        currentMinimum = bag[j / 3].minimum;51        currentOp = MULTIPLY_THREE;52        currentOps = bag[j / 3].operations.slice(0);53      }54      if (j % 2 === 0 && bag[j / 2].minimum < currentMinimum) {55        currentMinimum = bag[j / 2].minimum;56        currentOp = MULTIPLY_TWO;57        currentOps = bag[j / 2].operations.slice(0);58      }59      bag[j].minimum = currentMinimum + 1;60      bag[j].operations = currentOps;61      bag[j].operations.push(currentOp);62    }63  }64  return bag[number];65}66function onLine(line) {67  var result = calculatePrimitive(parseInt(line, 10));68  console.log(result.minimum);69  console.log(printOperations(result.operations));70}71(function main() {72  process.stdin.setEncoding('utf8');73  rl = readline.createInterface({74    input: process.stdin,75    terminal: false76  });77  rl.on('line', onLine);78}());79module.exports = {80  calculatePrimitive: calculatePrimitive,81  printOperations: printOperations...client.js
Source:client.js  
...21  setMemento(memento) {22    this.firstNumber = memento.getFirstNumber();23    this.secondNumber = memento.getSecondNumber();24  }25  printOperations() {26    console.log(`${this.firstNumber} + ${this.secondNumber} = ${this.firstNumber + this.secondNumber}`);27    console.log(`${this.firstNumber} - ${this.secondNumber} = ${this.firstNumber - this.secondNumber}`);28    console.log(`${this.firstNumber} * ${this.secondNumber} = ${this.firstNumber * this.secondNumber}`);29    console.log(`${this.firstNumber} / ${this.secondNumber} = ${this.firstNumber / this.secondNumber}`);30  }31  setFirstNumber(firstNumber) {32    this.firstNumber = firstNumber;33  }34  setSecondNumber(secondNumber) {35    this.secondNumber = secondNumber;36  }37}38let operationOriginator = new OperationOriginator();39operationOriginator.setFirstNumber(100);40operationOriginator.setSecondNumber(10);41operationOriginator.printOperations();42console.log("create Memnto");43let operationMemento = operationOriginator.createMemento();44operationOriginator.setFirstNumber(60);45operationOriginator.setSecondNumber(30);46operationOriginator.printOperations();47console.log("restore Memento");48operationOriginator.setMemento(operationMemento);...index.js
Source:index.js  
...19        Perf.printWasted(lastMeasurements);20    }21    printOperations = () => {22        const lastMeasurements = Perf.getLastMeasurements();23        Perf.printOperations(lastMeasurements);24    }25    printInclusive = () => {26        const lastMeasurements = Perf.getLastMeasurements();27        Perf.printInclusive(lastMeasurements);28    }29    printExclusive = () => {30        const lastMeasurements = Perf.getLastMeasurements();31        Perf.printExclusive(lastMeasurements);32    }33    render() {34        const { started } = this.state;35        return <div className={styles.perfProfiler}>36            <h1>Performance Profiler</h1>37            <button onClick={this.toggle}>{started ? 'Stop' : 'Start'}</button>...calculator.js
Source:calculator.js  
...29}30var newCalculator = new Calculator();31newCalculator.add(2,3);32newCalculator.divide(134,2);33newCalculator.printOperations();34newCalculator.clearOperations();...zadanie02.js
Source:zadanie02.js  
...29}30const calc = new Calculator();31console.log(calc);32calc.add(2,3);33calc.printOperations();34calc.multiply(3,1);35calc.printOperations();36console.log(calc.subtract(9,1));37calc.clearOperations();...perf-profiler.js
Source:perf-profiler.js  
...17    Perf.printWasted(lastMeasurements)18  }19  printOperations = () => {20    const lastMeasurements = Perf.getLastMeasurements()21    Perf.printOperations(lastMeasurements)22  }23  render() {24    const { started, } = this.state25    return (26      <div className="perf-profiler">27        <button onKeyPress={this.toggle} onClick={this.toggle}>28          {started ? "Stop" : "Start"}29        </button>30        <button onKeyPress={this.printWasted} onClick={this.printWasted}>31          Print Wasted32        </button>33        <button onKeyPress={this.printOperations} onClick={this.printOperations}>34          Print Operations35        </button>...Using AI Code Generation
1const { printOperations } = require('playwright/lib/protocol/protocol');2const { chromium } = require('playwright');3(async () => {4  const browser = await chromium.launch();5  const context = await browser.newContext();6  const page = await context.newPage();7  await page.click('text=Docs');8  await page.click('text=API');9  await page.click('text=Chromium');10  await page.click('text=BrowserContext');11  await page.click('text=BrowserContext.newPage');12  await page.click('text=BrowserContext.newContext');13  await page.click('text=BrowserContext.close');14  await page.click('text=BrowserContext.cookies');15  await page.click('text=BrowserContext.addCookies');16  await page.click('text=BrowserContext.clearCookies');17  await page.click('text=BrowserContext.clearPermissions');18  await page.click('text=BrowserContext.grantPermissions');19  await page.click('text=BrowserContext.setGeolocation');20  await page.click('text=BrowserContext.setExtraHTTPHeaders');21  await page.click('text=BrowserContext.setOffline');22  await page.click('text=BrowserContext.setHTTPCredentials');23  await page.click('text=BrowserContext.setNetworkInterceptionEnabled');24  await page.click('text=BrowserContext.addInitScript');25  await page.click('text=BrowserContext.exposeBinding');26  await page.click('text=BrowserContext.route');27  await page.click('text=BrowserContext.unroute');28  await page.click('text=BrowserContext.waitForEvent');29  await page.click('text=BrowserContext.close');30  await page.click('text=Browser');31  await page.click('text=Browser.newContext');32  await page.click('text=Browser.close');33  await page.click('text=Browser.version');34  await page.click('text=Browser.userAgent');35  await page.click('text=Browser.process');36  await page.click('text=Browser.wsEndpoint');37  await page.click('text=Browser.isConnected');38  await page.click('text=Browser.on');39  await page.click('text=Browser.off');40  await page.click('text=Browser.once');41  await page.click('text=Browser.removeListener');42  await page.click('text=Browser.removeAllListeners');43  await page.click('text=Browser.waitForEvent');44  await page.click('text=Browser.close');45  await page.click('Using AI Code Generation
1const { printOperations } = require('playwright/lib/server/trace/recorder');2const { chromium } = require('playwright');3const fs = require('fs');4(async () => {5  const browser = await chromium.launch();6  const context = await browser.newContext();7  const page = await context.newPage();8  await page.click('text=Docs');9  await page.click('text=API');10  await page.click('text=class: Browser');11  await page.click('text=BrowserContext');12  await page.click('text=class: Page');13  await page.click('text=PaUsing AI Code Generation
1const { printOperations } = require('playwright-core/lib/utils/trace');2const fs = require('fs');3const path = require('path');4const playwright = require('playwright-core');5const browserName = 'chromium';6const browser = await playwright[browserName].launch();7const context = await browser.newContext();8const page = await context.newPage();9await page.click('text=What needs to be done?');10await page.fill('text=What needs to be done?', 'Learn Playwright');11await page.press('text=What needs to be done?', 'Enter');12await page.click('text=Learn Playwright');13await page.click('text=Clear completed');14await page.close();15await context.close();16await browser.close();17const trace = await context.tracing.stop();18const traceFile = path.join(__dirname, 'trace.json');19fs.writeFileSync(traceFile, JSON.stringify(trace));20printOperations(trace);21page.click("text=What needs to be done?")22page.fill("text=What needs to be done?", "Learn Playwright")23page.press("text=What needs to be done?", "Enter")24page.click("text=Learn Playwright")25page.click("text=Clear completed")26page.close()27context.close()28browser.close()Using AI Code Generation
1const { printOperations } = require('playwright/lib/server/trace/recorder/playwright');2const fs = require('fs');3fs.readFile('trace.json', 'utf8', (err, data) => {4  if (err) {5    console.error(err)6  }7  const trace = JSON.parse(data);8  console.log(printOperations(trace));9});10const { test } = require('@playwright/test');11test('my test', async ({ page }) => {12  await page.click('text=Google apps');13  await page.click('text=Translate');14  await page.click('input[aria-label="Search Google Translate"]');15  await page.fill('input[aria-label="Search Google Translate"]', 'hello');16  await page.press('input[aria-label="Search Google Translate"]', 'Enter');17  await page.click('text=English');18  await page.click('text=French');19  await page.click('text=French');20  await page.click('text=English');21  await page.click('text=English');22  await page.click('text=French');23  await page.click('text=French');24  await page.click('text=English');25  await page.click('text=English');26  await page.click('text=French');27  await page.click('text=French');28  await page.click('text=English');29  await page.click('text=English');30  await page.click('text=French');31  await page.click('text=French');32  await page.click('text=English');33  await page.click('text=English');34  await page.click('text=French');35  await page.click('text=French');36  await page.click('text=English');37  await page.click('text=English');38  await page.click('text=French');39  await page.click('text=French');40  await page.click('text=English');41  await page.click('text=English');42  await page.click('text=French');43  await page.click('text=French');44  await page.click('text=English');45  await page.click('text=English');46  await page.click('text=French');47  await page.click('text=French');48  await page.click('text=English');Using AI Code Generation
1const { printOperations } = require('@playwright/test/lib/server/playwright');2printOperations();3  {4    "metadata": {5      "env": {},6    }7  },8  {9    "metadata": {10      "env": {},11    }12  },13  {14    "metadata": {Using AI Code Generation
1const pw = require('playwright');2const { printOperations } = require('playwright/lib/utils/traceModel');3const trace = require('./trace.json');4printOperations(trace);5[2021-05-31T23:05:11.000Z] 0.000s START    page.waitForLoadState()6[2021-05-31T23:05:11.000Z] 0.000s START    page.waitForSelector("text=Google")7[2021-05-31T23:05:11.000Z] 0.000s START    page.fill("input[name=q]", "Hello World")8[2021-05-31T23:05:11.000Z] 0.000s START    page.click("text=Google Search")9[2021-05-31T23:05:11.000Z] 0.000s START    page.waitForSelector("text=Hello World")10[2021-05-31T23:05:11.000Z] 0.000s START    page.click("text=Hello World")11[2021-05-31T23:05:11.000Z] 0.000s START    page.waitForSelector("text=Hello World - Wikipedia")12[2021-05-31T23:05:11.000Z] 0.000s START    page.click("text=Hello World - Wikipedia")13[2021-05-31T23:05:11.000Z] 0.000s START    page.waitForSelector("text=Hello world")14[2021-05-31T23:05:11.000Z] 0.000s START    page.click("text=Hello world")15[2021-05-31T23:05:11.000Z] 0.000s START    page.waitForSelector("text=Hello world - Wikipedia")16[2021-05-31T23:05:11.000Z] 0.000s START    page.click("text=Hello world - Wikipedia")Using AI Code Generation
1const { printOperations } = require('playwright/internal/inspector');2printOperations();3[ { type: 'page',4  { type: 'page',5    params: { selector: '[name="q"]', value: 'hello' } },6  { type: 'page',7    params: { selector: '[name="btnK"]' } },8  { type: 'page',9    params: { selector: '[name="btnK"]' } } ]10const { printOperations } = require('playwright/internal/inspector');11const operations = printOperations();12console.log(operations);13for (let i = 0; i < operations.length; i++) {14    if (operations[i].method == 'click') {15        console.log(operations[i].params.selector);16    }17}18[ { type: 'page',19  { type: 'page',20    params: { selector: '[name="q"]', value: 'hello' } },21  { type: 'page',22    params: { selector: '[name="btnK"]' } },23  { typeLambdaTest’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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