Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

How to use isTypeOverride method in Playwright Internal

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'));

Playwright tutorial

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.

Chapters:

What is Playwright : Playwright is comparatively new but has gained good popularity. Get to know some history of the Playwright with some interesting facts connected with it.
How To Install Playwright : Learn in detail about what basic configuration and dependencies are required for installing Playwright and run a test. Get a step-by-step direction for installing the Playwright automation framework.
Playwright Futuristic Features: Launched in 2020, Playwright gained huge popularity quickly because of some obliging features such as Playwright Test Generator and Inspector, Playwright Reporter, Playwright auto-waiting mechanism and etc. Read up on those features to master Playwright testing.
What is Component Testing: Component testing in Playwright is a unique feature that allows a tester to test a single component of a web application without integrating them with other elements. Learn how to perform Component testing on the Playwright automation framework.
Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
Functions and Selectors in Playwright: Learn how to launch the Chromium browser with Playwright. Also, gain a better understanding of some important functions like “BrowserContext,” which allows you to run multiple browser sessions, and “newPage” which interacts with a page.
Handling Alerts and Dropdowns in Playwright : Playwright interact with different types of alerts and pop-ups, such as simple, confirmation, and prompt, and different types of dropdowns, such as single selector and multi-selector get your hands-on with handling alerts and dropdown in Playright testing.
Playwright vs Puppeteer: Get to know about the difference between two testing frameworks and how they are different than one another, which browsers they support, and what features they provide.
Run Playwright Tests on LambdaTest: Playwright testing with LambdaTest leverages test performance to the utmost. You can run multiple Playwright tests in Parallel with the LammbdaTest test cloud. Get a step-by-step guide to run your Playwright test on the LambdaTest platform.
Playwright Python Tutorial: Playwright automation framework support all major languages such as Python, JavaScript, TypeScript, .NET and etc. However, there are various advantages to Python end-to-end testing with Playwright because of its versatile utility. Get the hang of Playwright python testing with this chapter.
Playwright End To End Testing Tutorial: Get your hands on with Playwright end-to-end testing and learn to use some exciting features such as TraceViewer, Debugging, Networking, Component testing, Visual testing, and many more.
Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.