Join the 1-day Testing & QA Summit featuring 15+ Expert Speakers.Register for FREE! Join TestMu Conference

How to use nullToUndefined method in Playwright Internal

Best JavaScript code snippet using playwright-internal

BrowserHandler.js

Source:BrowserHandler.js

...145  ['Browser.setExtraHTTPHeaders']({browserContextId, headers}) {146    this._targetRegistry.browserContextForId(browserContextId).extraHTTPHeaders = headers;147  }148  ['Browser.setHTTPCredentials']({browserContextId, credentials}) {149    this._targetRegistry.browserContextForId(browserContextId).httpCredentials = nullToUndefined(credentials);150  }151  async ['Browser.setBrowserProxy']({type, host, port, bypass, username, password}) {152    this._targetRegistry.setBrowserProxy({ type, host, port, bypass, username, password});153  }154  async ['Browser.setContextProxy']({browserContextId, type, host, port, bypass, username, password}) {155    const browserContext = this._targetRegistry.browserContextForId(browserContextId);156    browserContext.setProxy({ type, host, port, bypass, username, password });157  }158  ['Browser.setRequestInterception']({browserContextId, enabled}) {159    this._targetRegistry.browserContextForId(browserContextId).requestInterceptionEnabled = enabled;160  }161  ['Browser.setIgnoreHTTPSErrors']({browserContextId, ignoreHTTPSErrors}) {162    this._targetRegistry.browserContextForId(browserContextId).setIgnoreHTTPSErrors(nullToUndefined(ignoreHTTPSErrors));163  }164  ['Browser.setDownloadOptions']({browserContextId, downloadOptions}) {165    this._targetRegistry.browserContextForId(browserContextId).downloadOptions = nullToUndefined(downloadOptions);166  }167  async ['Browser.setGeolocationOverride']({browserContextId, geolocation}) {168    await this._targetRegistry.browserContextForId(browserContextId).applySetting('geolocation', nullToUndefined(geolocation));169  }170  async ['Browser.setOnlineOverride']({browserContextId, override}) {171    await this._targetRegistry.browserContextForId(browserContextId).applySetting('onlineOverride', nullToUndefined(override));172  }173  async ['Browser.setColorScheme']({browserContextId, colorScheme}) {174    await this._targetRegistry.browserContextForId(browserContextId).setColorScheme(nullToUndefined(colorScheme));175  }176  async ['Browser.setReducedMotion']({browserContextId, reducedMotion}) {177    await this._targetRegistry.browserContextForId(browserContextId).setReducedMotion(nullToUndefined(reducedMotion));178  }179  async ['Browser.setForcedColors']({browserContextId, forcedColors}) {180    await this._targetRegistry.browserContextForId(browserContextId).setForcedColors(nullToUndefined(forcedColors));181  }182  async ['Browser.setVideoRecordingOptions']({browserContextId, options}) {183    await this._targetRegistry.browserContextForId(browserContextId).setVideoRecordingOptions(options);184  }185  async ['Browser.setUserAgentOverride']({browserContextId, userAgent}) {186    await this._targetRegistry.browserContextForId(browserContextId).setDefaultUserAgent(userAgent);187  }188  async ['Browser.setBypassCSP']({browserContextId, bypassCSP}) {189    await this._targetRegistry.browserContextForId(browserContextId).applySetting('bypassCSP', nullToUndefined(bypassCSP));190  }191  async ['Browser.setJavaScriptDisabled']({browserContextId, javaScriptDisabled}) {192    await this._targetRegistry.browserContextForId(browserContextId).setJavaScriptDisabled(javaScriptDisabled);193  }194  async ['Browser.setLocaleOverride']({browserContextId, locale}) {195    await this._targetRegistry.browserContextForId(browserContextId).applySetting('locale', nullToUndefined(locale));196  }197  async ['Browser.setTimezoneOverride']({browserContextId, timezoneId}) {198    await this._targetRegistry.browserContextForId(browserContextId).applySetting('timezoneId', nullToUndefined(timezoneId));199  }200  async ['Browser.setTouchOverride']({browserContextId, hasTouch}) {201    await this._targetRegistry.browserContextForId(browserContextId).setTouchOverride(nullToUndefined(hasTouch));202  }203  async ['Browser.setDefaultViewport']({browserContextId, viewport}) {204    await this._targetRegistry.browserContextForId(browserContextId).setDefaultViewport(nullToUndefined(viewport));205  }206  async ['Browser.setScrollbarsHidden']({browserContextId, hidden}) {207    await this._targetRegistry.browserContextForId(browserContextId).applySetting('scrollbarsHidden', nullToUndefined(hidden));208  }209  async ['Browser.addScriptToEvaluateOnNewDocument']({browserContextId, script}) {210    await this._targetRegistry.browserContextForId(browserContextId).addScriptToEvaluateOnNewDocument(script);211  }212  async ['Browser.addBinding']({browserContextId, worldName, name, script}) {213    await this._targetRegistry.browserContextForId(browserContextId).addBinding(worldName, name, script);214  }215  ['Browser.setCookies']({browserContextId, cookies}) {216    this._targetRegistry.browserContextForId(browserContextId).setCookies(cookies);217  }218  ['Browser.clearCookies']({browserContextId}) {219    this._targetRegistry.browserContextForId(browserContextId).clearCookies();220  }221  ['Browser.getCookies']({browserContextId}) {222    const cookies = this._targetRegistry.browserContextForId(browserContextId).getCookies();223    return {cookies};224  }225  async ['Browser.getInfo']() {226    const version = AppConstants.MOZ_APP_VERSION_DISPLAY;227    const userAgent = Components.classes["@mozilla.org/network/protocol;1?name=http"]228                                .getService(Components.interfaces.nsIHttpProtocolHandler)229                                .userAgent;230    return {version: 'Firefox/' + version, userAgent};231  }232}233async function waitForSearchService() {234  const searchService = Components.classes["@mozilla.org/browser/search-service;1"].getService(Components.interfaces.nsISearchService);235  await searchService.init();236}237async function waitForAddonManager() {238  if (AddonManager.isReady)239    return;240  await new Promise(resolve => {241    let listener = {242      onStartup() {243        AddonManager.removeManagerListener(listener);244        resolve();245      },246      onShutdown() { },247    };248    AddonManager.addManagerListener(listener);249  });250}251async function waitForWindowClosed(browserWindow) {252  if (browserWindow.closed)253    return;254  await new Promise((resolve => {255    const listener = {256      onCloseWindow: window => {257        let domWindow;258        if (window instanceof Ci.nsIAppWindow)259          domWindow = window.QueryInterface(Ci.nsIInterfaceRequestor).getInterface(Ci.nsIDOMWindowInternal || Ci.nsIDOMWindow);260        else261          domWindow = window;262        if (domWindow === browserWindow) {263          Services.wm.removeListener(listener);264          resolve();265        }266      },267    };268    Services.wm.addListener(listener);269  }));270}271function nullToUndefined(value) {272  return value === null ? undefined : value;273}274var EXPORTED_SYMBOLS = ['BrowserHandler'];...

migration.js

Source:migration.js

...26}27function transformGroup(group) {28  // groups: parent: undefined or objectid29  let changed = false;30  changed |= nullToUndefined(group, 'parent');31  changed |= stringToOid(group, 'parent');32  return changed && group;33}34function transformOperation(operation) {35  // operations: account => object id account36  // operations: null values -> undefined values37  let changed = false;38  changed |= stringToOid(operation, 'account');39  changed |= nullToUndefined(operation, 'group');40  changed |= nullToUndefined(operation, 'note');41  changed |= stringToDate(operation, 'date');42  return changed && operation;43}44function newObjectID(id) {45  return getService('database').newObjectID(id);46}47function stringToOid(record, prop) {48  if(typeof record[prop] !== 'string') {49    return false;50  }51  record[prop] = newObjectID(record[prop]);52  return true;53}54function stringToDate(record, prop) {55  if(typeof record[prop] !== 'string') {56    return false;57  }58  record[prop] = new Date(record[prop]);59  return true;60}61function nullToUndefined(record, prop) {62  if(record[prop] !== null) {63    return false;64  }65  delete record[prop];66  return true;...

readSource.js

Source:readSource.js

...19  try {20    newSource = JSON.parse(typeof source === 'string' ? source : JSON.stringify(source));21    returnSource.name = newSource.source_name;22    returnSource.connection = parseConnection(newSource.connection);23    returnSource.filter = nullToUndefined(JSON.parse(newSource.filter));24    returnSource.translation = nullToUndefined(newSource.osm_translation);25    returnSource.fields = {26      'data': nullToUndefined(newSource.field_data),27      'forced': nullToUndefined(newSource.field_forced),28      'hash': nullToUndefined(newSource.field_hash),29      'lastUpdated': nullToUndefined(newSource.field_last_updated),30      'mapped': nullToUndefined(JSON.parse(newSource.field_mapped)),31      'primaryKey': parseJson(nullToUndefined(newSource.field_primary_key)),32      'foreignKey': nullToUndefined(newSource.field_foreign_key),33      'removed': nullToUndefined(newSource.field_removed),34      'removedValue': nullToUndefined(newSource.field_removed_value),35      'transforms': nullToUndefined(JSON.parse(newSource.transforms)),36      'valueMapped': nullToUndefined(JSON.parse(newSource.value_mapped))37    };38    return returnSource;39  } catch (e) {40    throw (e);41  }...

createItems.js

Source:createItems.js

...40  );41  const formatted_tags = tags.map(({ id }) => id);42  return {43    ...props,44    shield_type: nullToUndefined(shield_type),45    weapon_type: nullToUndefined(weapon_type),46    component_attribute_requirement: nullToUndefined(47      component_attribute_requirement,48    ),49    component_armour: nullToUndefined(component_armour),50    implicit_mods: formatted_implicits,51    item_class: item_class.id,52    tags: formatted_tags,53  };...

state-persistence.js

Source:state-persistence.js

...13// When the page is reloaded, current Redux state is restored14// from the sessionStorage.15export const loadState = () =>16    handleException(17        () => nullToUndefined(18            JSON.parse(sessionStorage.getItem(env.ssAppStateKey))19        ),20        // eslint-disable-next-line no-console21        (ex) => nullToUndefined(console.log(ex))...

test.js

Source:test.js

...7  return x;8}9// test deduping of inferred types10const nullToUndefined = val => val === null ? undefined : val;11function f0(x: ?Object) { return nullToUndefined(x); }12function f1(x: ?Object) { return nullToUndefined(x); }13function f2(x: ?string) { return nullToUndefined(x); }14function f3(x: ?string) { return nullToUndefined(x); }15declare var idx: $Facebookism$Idx;16declare var obj: {a?: {b: ?{c: null | {d: number}}}};...

utils.js

Source:utils.js

1const undefinedToNull = (x) =>2  Object.keys(x).reduce((p, c) => {3    p[c] = x[c] || null;4    return p;5  }, {});6const nullToUndefined = (x) =>7  Object.keys(x).reduce((p, c) => {8    p[c] = x[c] || undefined;9    return p;10  }, {});11function isMessageValid(msg) {12  try{13    let valid_msg = JSON.parse(msg);14    return valid_msg15  }16  catch(e){17    console.log(e.message);18    return e19  }20};...

Using AI Code Generation

1const { nullToUndefined } = require('playwright-core/lib/utils/utils');2const { nullToUndefined } = require('playwright-core/lib/utils/utils');3const { chromium } = require('playwright-core');4(async () => {5  const browser = await chromium.launch();6  const page = await browser.newPage();7  await page.screenshot({ path: 'example.png' });8  await browser.close();9})();10const { nullToUndefined } = require('playwright-core/lib/utils/utils');11const { chromium } = require('playwright-core');12(async () => {13  const browser = await chromium.launch();14  const page = await browser.newPage();15  await page.screenshot({ path: 'example.png' });16  await browser.close();17})();18const { nullToUndefined } = require('playwright-core/lib/utils/utils');19const { chromium } = require('playwright-core');20(async () => {21  const browser = await chromium.launch();22  const page = await browser.newPage();23  await page.screenshot({ path: 'example.png' });24  await browser.close();25})();26const { nullToUndefined } = require('playwright-core/lib/utils/utils');27const { chromium } = require('playwright-core');28(async () => {29  const browser = await chromium.launch();30  const page = await browser.newPage();31  await page.screenshot({ path: 'example.png' });32  await browser.close();33})();34const { nullToUndefined } = require('playwright-core/lib/utils/utils');35const { chromium } = require('playwright-core');36(async () => {37  const browser = await chromium.launch();38  const page = await browser.newPage();39  await page.screenshot({ path: 'example.png' });

Using AI Code Generation

1const { nullToUndefined } = require('playwright/lib/utils/utils');2const { nullToUndefined } = require('playwright/lib/utils/utils');3const { nullToUndefined } = require('playwright/lib/utils/utils');4const { nullToUndefined } = require('playwright/lib/utils/utils');5const { nullToUndefined } = require('playwright/lib/utils/utils');6const { nullToUndefined } = require('playwright/lib/utils/utils');7const { nullToUndefined } = require('playwright/lib/utils/utils');8const { nullToUndefined } = require('playwright/lib/utils/utils');9const { nullToUndefined } = require('playwright/lib/utils/utils');10const { nullToUndefined } = require('playwright/lib/utils/utils');11const { nullToUndefined } = require('playwright/lib/utils

Using AI Code Generation

1const { nullToUndefined } = require('@playwright/test/lib/utils/utils');2const { test } = require('@playwright/test');3test('nullToUndefined', async ({ page }) => {4  const obj = { a: 1, b: null, c: { d: 2, e: null } };5  const result = nullToUndefined(obj);6  console.log(result);7});8Output: { a: 1, b: undefined, c: { d: 2, e: undefined } }9Your name to display (optional):10Your name to display (optional):

Using AI Code Generation

1const { nullToUndefined } = require('playwright/lib/internal/utils');2const { chromium } = require('playwright');3const browser = await chromium.launch();4const page = await browser.newPage();5const { nullToUndefined } = require('playwright/lib/internal/utils');6const { nullToUndefined } = require('playwright/lib/internal/utils');7const { nullToUndefined } = require('playwright/lib/internal/utils');8const { nullToUndefined } = require('playwright/lib/internal/utils');9const { chromium } = require('playwright');10const browser = await chromium.launch();11const page = await browser.newPage();12const { nullToUndefined } = require('playwright/lib/internal/utils');13const { chromium } = require('playwright');14const browser = await chromium.launch();15const page = await browser.newPage();16const { nullToUndefined } = require('playwright/lib/internal/utils');17const { nullToUndefined } = require('playwright/lib/internal/utils');18const { nullToUndefined } = require('playwright/lib/internal/utils');19const { nullToUndefined } = require('playwright/lib/internal/utils');20const { nullToUndefined } = require('playwright/lib/internal/utils');21const { chromium } = require('playwright');22const browser = await chromium.launch();23const page = await browser.newPage();24const { nullToUndefined } = require('playwright/lib/internal/utils');25const { chromium } = require('playwright');26const browser = await chromium.launch();27const page = await browser.newPage();28const { nullToUndefined } = require('playwright/lib/internal/utils');

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.