Best JavaScript code snippet using playwright-internal
definition.js
Source:definition.js  
...103 * @param {object} definition104 * @param {string} fn105 * @returns {string}106 */107function consumeFunctionArguments(definition, fn) {108    const args = definition.consumeUntil(')')109    definition.consume()110    // Terminal notation: `fn(<args>)`111    if (args) {112        return args113    }114    // Non-terminal notation: `<fn()>` (or `rect()`)115    definition = types[fn]116    const alias = definition.replace(/[<>]/g, '')117    // `<alias()> = <target()>`118    if (alias.endsWith('()')) {119        return consumeFunctionName(types[alias], alias)120    }121    return consumeFunctionName(definition, fn)122}123/**124 * @param {object} definition125 * @param {string} currentChar126 * @param {repeat} [repeat]127 * @returns {object}128 *129 * All function types are wrapped between `<` and `>`, except `rect()` or when130 * the arguments are directly expanded, eg. `fit-content(<length-percentage)`.131 * When wrapped between `<` and `>`, the function name is `currentChar`.132 */133function consumeIdentifier(definition, currentChar, repeat) {134    let identifier = currentChar135    for (const currentChar of definition) {136        if (!/[-\w]/.test(currentChar)) { // !isIdentifierChar(currentChar)137            // Function name138            if (currentChar === '(') {139                const args = consumeFunctionArguments(definition, `${identifier}()`)140                return { name: identifier, type: 'function', value: args }141            }142            // Keyword143            definition.reconsume()144            break145        }146        identifier += currentChar147    }148    const node = { type: 'terminal', range: identifier, value: 'keyword' }149    const multiplier = consumeMultiplier(definition, repeat)150    if (multiplier) {151        node.repeat = multiplier152    }153    return node...cssParser.js
Source:cssParser.js  
...77  }78  function isSelectorClauseEnd(p = pos) {79    return isComma(p) || isCloseParen(p) || isEOF(p) || isClauseCombinator(p) || tokens[p] instanceof css.WhitespaceToken;80  }81  function consumeFunctionArguments() {82    const result = [consumeArgument()];83    while (true) {84      skipWhitespace();85      if (!isComma()) break;86      pos++;87      result.push(consumeArgument());88    }89    return result;90  }91  function consumeArgument() {92    skipWhitespace();93    if (isNumber()) return tokens[pos++].value;94    if (isString()) return tokens[pos++].value;95    return consumeComplexSelector();96  }97  function consumeComplexSelector() {98    const result = {99      simples: []100    };101    skipWhitespace();102    if (isClauseCombinator()) {103      // Put implicit ":scope" at the start. https://drafts.csswg.org/selectors-4/#absolutize104      result.simples.push({105        selector: {106          functions: [{107            name: 'scope',108            args: []109          }]110        },111        combinator: ''112      });113    } else {114      result.simples.push({115        selector: consumeSimpleSelector(),116        combinator: ''117      });118    }119    while (true) {120      skipWhitespace();121      if (isClauseCombinator()) {122        result.simples[result.simples.length - 1].combinator = tokens[pos++].value;123        skipWhitespace();124      } else if (isSelectorClauseEnd()) {125        break;126      }127      result.simples.push({128        combinator: '',129        selector: consumeSimpleSelector()130      });131    }132    return result;133  }134  function consumeSimpleSelector() {135    let rawCSSString = '';136    const functions = [];137    while (!isSelectorClauseEnd()) {138      if (isIdent() || isStar()) {139        rawCSSString += tokens[pos++].toSource();140      } else if (tokens[pos] instanceof css.HashToken) {141        rawCSSString += tokens[pos++].toSource();142      } else if (tokens[pos] instanceof css.DelimToken && tokens[pos].value === '.') {143        pos++;144        if (isIdent()) rawCSSString += '.' + tokens[pos++].toSource();else throw unexpected();145      } else if (tokens[pos] instanceof css.ColonToken) {146        pos++;147        if (isIdent()) {148          if (!customNames.has(tokens[pos].value.toLowerCase())) {149            rawCSSString += ':' + tokens[pos++].toSource();150          } else {151            const name = tokens[pos++].value.toLowerCase();152            functions.push({153              name,154              args: []155            });156            names.add(name);157          }158        } else if (tokens[pos] instanceof css.FunctionToken) {159          const name = tokens[pos++].value.toLowerCase();160          if (!customNames.has(name)) {161            rawCSSString += `:${name}(${consumeBuiltinFunctionArguments()})`;162          } else {163            functions.push({164              name,165              args: consumeFunctionArguments()166            });167            names.add(name);168          }169          skipWhitespace();170          if (!isCloseParen()) throw unexpected();171          pos++;172        } else {173          throw unexpected();174        }175      } else if (tokens[pos] instanceof css.OpenSquareToken) {176        rawCSSString += '[';177        pos++;178        while (!(tokens[pos] instanceof css.CloseSquareToken) && !isEOF()) rawCSSString += tokens[pos++].toSource();179        if (!(tokens[pos] instanceof css.CloseSquareToken)) throw unexpected();180        rawCSSString += ']';181        pos++;182      } else {183        throw unexpected();184      }185    }186    if (!rawCSSString && !functions.length) throw unexpected();187    return {188      css: rawCSSString || undefined,189      functions190    };191  }192  function consumeBuiltinFunctionArguments() {193    let s = '';194    while (!isCloseParen() && !isEOF()) s += tokens[pos++].toSource();195    return s;196  }197  const result = consumeFunctionArguments();198  if (!isEOF()) throw new _selectorErrors.InvalidSelectorError(`Error while parsing selector "${selector}"`);199  if (result.some(arg => typeof arg !== 'object' || !('simples' in arg))) throw new _selectorErrors.InvalidSelectorError(`Error while parsing selector "${selector}"`);200  return {201    selector: result,202    names: Array.from(names)203  };204}205function serializeSelector(args) {206  return args.map(arg => {207    if (typeof arg === 'string') return `"${arg}"`;208    if (typeof arg === 'number') return String(arg);209    return arg.simples.map(({210      selector,211      combinator...Using AI Code Generation
1const { consumeFunctionArguments } = require('playwright/lib/utils/utils');2const { chromium } = require('playwright');3(async () => {4  const browser = await chromium.launch();5  const page = await browser.newPage();6  await page.screenshot({ path: 'google.png' });7  await page.screenshot({ path: 'google.png' });8  await page.screenshot({ path: 'google.png' });9  await browser.close();10})();11const { consumeFunctionArguments } = require('playwright/lib/utils/utils');12const { chromium } = require('playwright');13(async () => {14  const browser = await chromium.launch();15  const page = await browser.newPage();16  await page.screenshot({ path: 'google.png' });17  await page.screenshot({ path: 'google.png' });18  await page.screenshot({ path: 'google.png' });19  await browser.close();20})();21const { consumeFunctionArguments } = require('playwright/lib/utils/utils');22const { chromium } = require('playwright');23(async () => {24  const browser = await chromium.launch();25  const page = await browser.newPage();26  await page.screenshot({ path: 'google.png' });27  await page.screenshot({ path: 'google.png' });28  await page.screenshot({ path: 'google.png' });29  await browser.close();30})();31const { consumeFunctionArguments } = require('playwright/lib/utils/utils');32const { chromium } = require('playwright');33(async () => {34  const browser = await chromium.launch();35  const page = await browser.newPage();36  await page.screenshot({ path: 'google.png' });37  await page.screenshot({ path: 'google.png' });38  await page.screenshot({ path: 'google.png' });39  await browser.close();40})();41const { consumeFunctionArguments } = require('Using AI Code Generation
1const { consumeFunctionArguments } = require('playwright/lib/server/browserContext');2const { chromium } = require('playwright');3(async () => {4  const browser = await chromium.launch();5  const page = await browser.newPage();6  const [ searchValue ] = await consumeFunctionArguments(page, async (searchValue) => {7    const searchBox = document.querySelector('input[type="text"]');8    searchBox.value = searchValue;9    return searchValue;10  }, 'Playwright');11  console.log(searchValue);12  await browser.close();13})();Using AI Code Generation
1const { consumeFunctionArguments } = require('playwright/lib/utils/stackTrace');2const { test } = require('@playwright/test');3test('test', async ({ page }) => {4  await page.click('text=Get started');5  await page.click('text=Docs');6  await page.click('text=API');7  await page.click('text=Page');8  await page.click('text=page.click');9  await page.click('text=Parameters');10  await page.click('text=selector', { timeout: 5000 });11  await page.click('text=Examples');12  await page.click('text=Click a button', { timeout: 5000 });13  await page.click('text=button');14  await page.click('text=Click a link', { timeout: 5000 });15  await page.click('text=link');16  await page.click('text=Click a div', { timeout: 5000 });17  await page.click('text=div');18  await page.click('text=Click a span', { timeout: 5000 });19  await page.click('text=span');20  await page.click('text=Click a text', { timeout: 5000 });21  await page.click('text=text');22  await page.click('text=Click a input', { timeout: 5000 });23  await page.click('text=input');24  await page.click('text=Click a textarea', { timeout: 5000 });25  await page.click('text=textarea');26  await page.click('text=Click a checkbox', { timeout: 5000 });27  await page.click('text=checkbox');28  await page.click('text=Click a radio', { timeout: 5000 });29  await page.click('text=radio');30  await page.click('text=Click a select', { timeout: 5000 });31  await page.click('text=select');32  await page.click('text=Click a option', { timeout: 5000 });33  await page.click('text=option');34  await page.click('text=Click a label', { timeout: 5000 });35  await page.click('text=label');36  await page.click('text=Click a form', { timeout: 5000 });37  await page.click('text=form');38  await page.click('text=Click a iframe', { timeout: 5000 });Using AI Code Generation
1const { consumeFunctionArguments } = require('@playwright/test/lib/utils/stackTrace');2const { test } = require('@playwright/test');3test('test', async ({ page }) => {4  const { args } = consumeFunctionArguments(test);5  console.log(args);6});7const { consumeFunctionArguments } = require('@playwright/test/lib/utils/stackTrace');8const { test } = require('@playwright/test');9const fs = require('fs');10test.describe('test', () => {11  const { args } = consumeFunctionArguments(test);12  const data = fs.readFileSync('testData.json', 'utf8');13  const testData = JSON.parse(data);14  for (const key in testData) {15    test(`test-${key}`, async ({ page }) => {16      console.log(testData[key]);17    }).params(testData[key]);18  }19});20const { consumeFunctionArguments } = require('@playwright/test/lib/utils/stackTrace');21const { test } = require('@playwright/test');22const fs = require('fs');23test.describe('test', () => {24  const { args } = consumeFunctionArguments(test);25  const data = fs.readFileSync('testData.json', 'utf8');26  const testData = JSON.parse(data);27  for (const key in testData) {28    test.use({29    });30    test(`test-${key}`, async ({ page, [key]: value }) => {31      console.log(value);32    });33  }34});Using AI Code Generation
1const { consumeFunctionArguments } = require('@playwright/test/lib/server/frames');2const { test } = require('@playwright/test');3test('test', async ({ page }) => {4  const result = await page.evaluate(async () => {5    const { consumeFunctionArguments } = require('@playwright/test/lib/server/frames');6    const [arg1, arg2] = await consumeFunctionArguments();7    return { arg1, arg2 };8  });9  expect(result).toEqual({ arg1: 'foo', arg2: 'bar' });10});11import { consumeFunctionArguments } from '@playwright/test/lib/server/frames';12import { test } from '@playwright/test';13test('test', async ({ page }) => {14  const result = await page.evaluate(async () => {15    const { consumeFunctionArguments } = require('@playwright/test/lib/server/frames');16    const [arg1, arg2] = await consumeFunctionArguments();17    return { arg1, arg2 };18  });19  expect(result).toEqual({ arg1: 'foo', arg2: 'bar' });20});Using AI Code Generation
1const { consumeFunctionArguments } = require('playwright/lib/helper');2const { test } = require('@playwright/test');3test('test', async ({ page }) => {4  const args = consumeFunctionArguments(['string', 'number'], ['abc', 123]);5  console.log(args);6});7const { consumeFunctionArguments } = require('playwright/lib/helper');8const { test } = require('@playwright/test');9test('test', async ({ page }) => {10  const args = consumeFunctionArguments(['string', 'number'], ['abc', 123, 456]);11  console.log(args);12});13const { consumeFunctionArguments } = require('playwright/lib/helper');14const { test } = require('@playwright/test');15test('test', async ({ page }) => {16  const args = consumeFunctionArguments(['string', 'number'], ['abc', 123, 456, 'def']);17  console.log(args);18});19const { consumeFunctionArguments } = require('playwright/lib/helper');20const { test } = require('@playwright/test');21test('test', async ({ page }) => {22  const args = consumeFunctionArguments(['string', 'number'], ['abc', 123, 456, 'def', 789]);23  console.log(args);24});25const { consumeFunctionArguments } = require('playwright/lib/helper');26const { test } = require('@playwright/test');27test('test', async ({ page }) => {28  const args = consumeFunctionArguments(['string', 'number'], ['abc', 123, 456, 'def', 789, 101]);29  console.log(args);30});Using AI Code Generation
1const { consumeFunctionArguments } = require('@playwright/test/lib/test');2const { test } = require('@playwright/test');3test('test', async ({ page }) => {4  const { arg1, arg2 } = consumeFunctionArguments();5  console.log(arg1, arg2);6  await page.goto(arg1);7  await page.click(arg2);8});9const { test } = require('@playwright/test');10const { arg1, arg2 } = require('./test.js');11test('test', arg1, arg2);12const { test } = require('@playwright/test');13const { arg1, arg2 } = require('./test.js');14test.use({ arg1, arg2 });15const { test } = require('@playwright/test');16test('test', async ({ page }, { arg1, arg2 }) => {17  await page.goto(arg1);18  await page.click(arg2);19});20test.use({21});22const { test } = require('@playwright/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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