Best JavaScript code snippet using playwright-internal
api_parser.js
Source:api_parser.js  
...97        member.async = true;98    }99    const clazz = this.classes.get(match[2]);100    const existingMember = clazz.membersArray.find(m => m.name === name && m.kind === member.kind);101    if (existingMember && isTypeOverride(existingMember, member)) {102      for (const lang of member.langs.only) {103        existingMember.langs.types = existingMember.langs.types || {};104        existingMember.langs.types[lang] = returnType;105      }106    } else {107      clazz.membersArray.push(member);108    }109  }110  /**111   * @param {MarkdownNode} spec112   */113  parseArgument(spec) {114    const match = spec.text.match(/(param|option): (.*)/);115    if (!match)116      throw `Something went wrong with matching ${spec.text}`;117    // For "test.describe.only.title":118    // - className is "test"119    // - methodName is "describe.only"120    // - argument name is "title"121    const parts = match[2].split('.');122    const className = parts[0];123    const name = parts[parts.length - 1];124    const methodName = parts.slice(1, parts.length - 1).join('.');125    const clazz = this.classes.get(className);126    if (!clazz)127      throw new Error('Invalid class ' + className);128    const method = clazz.membersArray.find(m => m.kind === 'method' && m.name === methodName);129    if (!method)130      throw new Error(`Invalid method ${className}.${methodName} when parsing: ${match[0]}`);131    if (!name)132      throw new Error('Invalid member name ' + spec.text);133    if (match[1] === 'param') {134      const arg = this.parseProperty(spec);135      arg.name = name;136      const existingArg = method.argsArray.find(m => m.name === arg.name);137      if (existingArg && isTypeOverride(existingArg, arg)) {138        if (!arg.langs || !arg.langs.only)139          throw new Error('Override does not have lang: ' + spec.text);140        for (const lang of arg.langs.only) {141          existingArg.langs.overrides = existingArg.langs.overrides || {};142          existingArg.langs.overrides[lang] = arg;143        }144      } else {145        method.argsArray.push(arg);146      }147    } else {148      let options = method.argsArray.find(o => o.name === 'options');149      if (!options) {150        const type = new Documentation.Type('Object', []);151        options = Documentation.Member.createProperty({}, 'options', type, undefined, false);152        method.argsArray.push(options);153      }154      const p = this.parseProperty(spec);155      p.required = false;156      options.type.properties.push(p);157    }158  }159  /**160   * @param {MarkdownNode} spec161   */162  parseProperty(spec) {163    const param = childrenWithoutProperties(spec)[0];164    const text = param.text;165    const name = text.substring(0, text.indexOf('<')).replace(/\`/g, '').trim();166    const comments = extractComments(spec);167    return Documentation.Member.createProperty(extractLangs(spec), name, this.parseType(param), comments, guessRequired(md.render(comments)));168  }169  /**170   * @param {MarkdownNode=} spec171   * @return {Documentation.Type}172   */173  parseType(spec) {174    const arg = parseVariable(spec.text);175    const properties = [];176    for (const child of spec.children || []) {177      const { name, text } = parseVariable(child.text);178      const comments = /** @type {MarkdownNode[]} */ ([{ type: 'text', text }]);179      properties.push(Documentation.Member.createProperty({}, name, this.parseType(child), comments, guessRequired(text)));180    }181    return Documentation.Type.parse(arg.type, properties);182  }183}184/**185 * @param {string} line186 * @returns {{ name: string, type: string, text: string }}187 */188function parseVariable(line) {189  let match = line.match(/^`([^`]+)` (.*)/);190  if (!match)191    match = line.match(/^(returns): (.*)/);192  if (!match)193    match = line.match(/^(type): (.*)/);194  if (!match)195    match = line.match(/^(argument): (.*)/);196  if (!match)197    throw new Error('Invalid argument: ' + line);198  const name = match[1];199  const remainder = match[2];200  if (!remainder.startsWith('<'))201    throw new Error(`Bad argument: "${name}" in "${line}"`);202  let depth = 0;203  for (let i = 0; i < remainder.length; ++i) {204    const c = remainder.charAt(i);205    if (c === '<')206      ++depth;207    if (c === '>')208      --depth;209    if (depth === 0)210      return { name, type: remainder.substring(1, i), text: remainder.substring(i + 2) };211  }212  throw new Error('Should not be reached');213}214/**215 * @param {MarkdownNode[]} body216 * @param {MarkdownNode[]} params217 */218function applyTemplates(body, params) {219  const paramsMap = new Map();220  for (const node of params)221    paramsMap.set('%%-' + node.text + '-%%', node);222  const visit = (node, parent) => {223    if (node.text && node.text.includes('-inline- = %%')) {224      const [name, key] = node.text.split('-inline- = ');225      const list = paramsMap.get(key);226      const newChildren = [];227      if (!list)228        throw new Error('Bad template: ' + key);229      for (const prop of list.children) {230        const template = paramsMap.get(prop.text);231        if (!template)232          throw new Error('Bad template: ' + prop.text);233        const children = childrenWithoutProperties(template);234        const { name: argName } = parseVariable(children[0].text);235        newChildren.push({236          type: node.type,237          text: name + argName,238          children: template.children.map(c => md.clone(c))239        });240      }241      const nodeIndex = parent.children.indexOf(node);242      parent.children = [...parent.children.slice(0, nodeIndex), ...newChildren, ...parent.children.slice(nodeIndex + 1)];243    } else if (node.text && node.text.includes(' = %%')) {244      const [name, key] = node.text.split(' = ');245      node.text = name;246      const template = paramsMap.get(key);247      if (!template)248        throw new Error('Bad template: ' + key);249      node.children.push(...template.children.map(c => md.clone(c)));250    }251    for (const child of node.children || [])252      visit(child, node);253    if (node.children)254      node.children = node.children.filter(child => !child.text || !child.text.includes('-inline- = %%'));255  };256  for (const node of body)257    visit(node, null);258  return body;259}260/**261 * @param {MarkdownNode} item262 * @returns {MarkdownNode[]}263 */264function extractComments(item) {265  return (item.children || []).filter(c => {266    if (c.type.startsWith('h'))267      return false;268    if (c.type === 'li' && c.liType === 'default')269      return false;270    if (c.type === 'li' && c.text.startsWith('langs:'))271      return false;272    return true;273  });274}275/**276 * @param {string} comment277 */278function guessRequired(comment) {279  let required = true;280  if (comment.toLowerCase().includes('defaults to '))281    required = false;282  if (comment.startsWith('Optional'))283    required = false;284  if (comment.endsWith('Optional.'))285    required = false;286  if (comment.toLowerCase().includes('if set'))287    required = false;288  if (comment.toLowerCase().includes('if applicable'))289    required = false;290  if (comment.toLowerCase().includes('if available'))291    required = false;292  return required;293}294/**295 * @param {string} apiDir296 * @param {string=} paramsPath297 */298function parseApi(apiDir, paramsPath) {299  return new ApiParser(apiDir, paramsPath).documentation;300}301/**302 * @param {MarkdownNode} spec303 * @returns {import('./documentation').Langs}304 */305function extractLangs(spec) {306  for (const child of spec.children) {307    if (child.type !== 'li' || child.liType !== 'bullet' || !child.text.startsWith('langs:'))308      continue;309    const only = child.text.substring('langs:'.length).trim();310    /** @type {Object<string, string>} */311    const aliases = {};312    for (const p of child.children || []) {313      const match = p.text.match(/alias-(\w+)[\s]*:(.*)/);314      if (match)315        aliases[match[1].trim()] = match[2].trim();316    }317    return {318      only: only ? only.split(',').map(l => l.trim()) : undefined,319      aliases,320      types: {},321      overrides: {}322    };323  }324  return {};325}326/**327 * @param {MarkdownNode} spec328 * @returns {MarkdownNode[]}329 */330function childrenWithoutProperties(spec) {331  return spec.children.filter(c => c.liType !== 'bullet' || !c.text.startsWith('langs'));332}333/**334 * @param {Documentation.Member} existingMember335 * @param {Documentation.Member} member336 * @returns {boolean}337 */338function isTypeOverride(existingMember, member) {339  if (!existingMember.langs.only)340    return true;341  if (member.langs.only.every(l => existingMember.langs.only.includes(l))) {342    return true;343  } else if (member.langs.only.some(l => existingMember.langs.only.includes(l))) {344    throw new Error(`Ambiguous language override for: ${member.name}`);345  }346  return false;347}...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.click('text=Get started');7  await page.waitForSelector('text=Playwright is a Node library to automate Chromium, Firefox and WebKit with a single API.');8  await browser.close();9})();Using AI Code Generation
1const { isTypeOverride } = require('playwright/lib/server/chromium/crNetworkManager');2const { chromium } = require('playwright');3(async () => {4  const browser = await chromium.launch({ headless: false });5  const context = await browser.newContext();6  const page = await context.newPage();7  await page.route('**/*', route => {8    if (isTypeOverride(route.request().resourceType())) {9      route.fulfill({10      });11    } else {12      route.continue();13    }14  });15  await page.screenshot({ path: `google.png` });16  await browser.close();17})();Using AI Code Generation
1const { isTypeOverride } = require('@playwright/test/lib/utils/utils');2console.log(isTypeOverride('string'));3console.log(isTypeOverride('number'));4console.log(isTypeOverride('boolean'));5console.log(isTypeOverride('object'));6console.log(isTypeOverride('function'));7console.log(isTypeOverride('symbol'));8console.log(isTypeOverride('undefined'));9console.log(isTypeOverride('null'));10console.log(isTypeOverride('bigint'));11console.log(isTypeOverride('Array'));12console.log(isTypeOverride('Object'));13console.log(isTypeOverride('Boolean'));14console.log(isTypeOverride('Number'));15console.log(isTypeOverride('String'));16console.log(isTypeOverride('Function'));17console.log(isTypeOverride('Symbol'));18console.log(isTypeOverride('Undefined'));19console.log(isTypeOverride('Null'));20console.log(isTypeOverride('BigInt'));Using AI Code Generation
1const { isTypeOverride } = require('playwright/lib/client/overrides');2console.log(isTypeOverride('text'));3const { isClickOverride } = require('playwright/lib/client/overrides');4console.log(isClickOverride('click'));5const { isCheckOverride } = require('playwright/lib/client/overrides');6console.log(isCheckOverride('check'));7const { isUncheckOverride } = require('playwright/lib/client/overrides');8console.log(isUncheckOverride('uncheck'));9const { isSelectOverride } = require('playwright/lib/client/overrides');10console.log(isSelectOverride('select'));11const { isFillOverride } = require('playwright/lib/client/overrides');12console.log(isFillOverride('fill'));13const { isPressOverride } = require('playwright/lib/client/overrides');14console.log(isPressOverride('press'));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.
Get 100 minutes of automation test minutes FREE!!
