Best JavaScript code snippet using playwright-internal
ReactDOMComponent.js
Source:ReactDOMComponent.js  
...38  dangerouslySetInnerHTML: null,39  suppressContentEditableWarning: null,40};41var deleteListener = EventPluginHub.deleteListener;42function enqueuePutListener(inst, registrationName, listener) {43  EventPluginHub.putListener(44    inst,45    registrationName,46    listener,47  );48}49function isCustomComponent(tagName, props) {50  return tagName.indexOf('-') >= 0 || props.is != null;51}52function ReactDOMComponent(element) {53  var tag = element.type;54  this._currentElement = element;55  this._tag = tag.toLowerCase();56  this._renderedChildren = null;57  this._rootNodeID = 0;58}59ReactDOMComponent.displayName = 'ReactDOMComponent';60ReactDOMComponent.Mixin = {61  mountComponent(62    transaction,63    hostParent,64    hostContainerInfo,65    context,66  ) {67    var props = this._currentElement.props;68    var mountImage;69    this._rootNodeID = globalIdCounter++;70    this._hostParent = hostParent;71    this._hostContainerInfo = hostContainerInfo;72    if (true) {73      var ownerDocument = hostContainerInfo._ownerDocument;74      var el;75      el = ownerDocument.createElement(this._currentElement.type);76      ReactDOMComponentTree.precacheNode(this, el);77      this._updateDOMProperties(null, props, transaction);78      var lazyTree = DOMLazyTree(el);79      this._createInitialChildren(transaction, props, context, lazyTree);80      mountImage = lazyTree;81    } else {82      var tagOpen = this._createOpenTagMarkupAndPutListeners(props);83      var tagContent = this._createContentMarkup(props);84      if (!tagContent && omittedCloseTags[this._tag]) {85        mountImage = tagOpen + '/>';86      } else {87        mountImage = `${tagOpen}>${tagContent}</${this._currentElement.type}>`;88      }89    }90    return mountImage;91  },92  receiveComponent(93    nextElement,94    transaction,95    context,96  ) {97    var prevElement = this._currentElement;98    this._currentElement = nextElement;99    this.updateComponent(transaction, prevElement, nextElement, context);100  },101  updateComponent(102    transaction,103    prevElement,104    nextElement,105    context,106  ) {107    var lastProps = prevElement,props;108    var nextProps = this._currentElement.props;109    this._updateDOMProperties(lastProps, nextProps, transaction);110    this._updateDOMChildren(lastProps, nextProps, transaction, context);111  },112  unmountComponent(safely) {113    this.unmountChildren(safely);114    ReactDOMComponentTree.uncacheNode(this);115    EventPluginHub.deleteAllListeners(this);116    this._domID = 0;117    this._wrapperState = null;118  },119  getHostNode() {120    return getNode(this);121  },122  getPublicInstance() {123    return getNode(this);124  },125  /**126   * @description è¿æ¥ä¸»è¦æ¯åå»ºå¼æ ç¾ï¼ç¶åå° DOM æ ç¾ç屿§åç¸å
³äºä»¶å¥æè®¾ç½®å°å¼æ ç¾127   * @param {*} props128   */129  _createOpenTagMarkupAndPutListeners(props) {130    var ret = `<${this._currentElement.type}`;131    for (var propKey in props) {132      if (!props.hasOwnProperty(propKey)) {133        continue;134      }135      var propValue = props[propKey];136      if (propValue == null) {137        continue;138      }139      // ç»å®äºä»¶å¥æ140      if (registrationNameModules.hasOwnProperty(propKey)) {141        if (propValue) {142          enqueuePutListener(this, propKey, propValue);143        }144      } else {145        if (propKey === 'style') {146          if (propValue) {147            propValue = this._previousStyleCopy = Object.assign({}, props.style);148          }149          propValue = CSSPropertyOperations.createMarkupForStyles(propValue, this);150        }151        var markup = null;152        markup = DOMPropertyOperations.createMarkupForProperty(propKey, propValue);153        if (markup) {154          ret += ' ' + markup;155        }156      }157    }158    return ret;159  },160  _createContentMarkup(props) {161    var ret = '';162    var innerHTML = props.dangerouslySetInnerHTML;163    if (innerHTML != null) {164      if (innerHTML.__html != null) {165        ret = innerHTML.__html;166      }167    } else {168      var contentToUse = CONTENT_TYPES[typeof props.children] ? props.children : null;169      var childrenToUse = contentToUse != null ? null : props.children;170      if (contentToUse != null) {171        ret = escapeTextContentForBrowser(contentToUse);172      } else if (childrenToUse != null) {173        var mountImages = this.mountChildren(childrenToUse);174        ret = mountImages.join('');175      }176    }177    return ret;178  },179  _updateDOMProperties(lastProps, nextProps, transaction) {180    var propKey;181    var styleName;182    var styleUpdates;183    for (propKey in lastProps) {184      if (nextProps.hasOwnProperty(propKey) || !lastProps.hasOwnProperty(propKey) || lastProps[propKey] == null) {185        continue;186      }187      if (propKey === 'style') {188        var lastStyle = this._previousStyleCopy;189        for (styleName in lastStyle) {190          if (lastStyle.hasOwnProperty(styleName)) {191            styleUpdates = styleUpdates || {};192            styleUpdates[styleName] = '';193          }194        }195        this._previousStyleCopy = null;196      } else if (registrationNameModules.hasOwnProperty(propKey)) {197        if (lastProps[propKey]) {198          deleteListener(this, propKey);199        }200      } else if (isCustomComponent(this._tag, lastProps)) {201        if (!RESERVED_PROPS.hasOwnProperty(propKey)) {202          DOMPropertyOperations.deleteValueForAttribute(203            getNode(this),204            propKey205          );206        }207      } else if (208        DOMProperty.properties[propKey]209        || DOMProperty.isCustomAttribute(propKey)210      ) {211        DOMPropertyOperations.deleteValueForProperty(getNode(this), propKey);212      }213    }214    for (propKey in nextProps) {215      var nextProp = nextProps[propKey];216      var lastProp = propKey === 'style'217        ? this._previousStyleCopy218        : lastProps != null219          ? lastProps[propKey]220          : undefined;221      if (222        !nextProps.hasOwnProperty(propKey) || nextProp === lastProp || (nextProp == null && lastProp == null)223        ) {224          continue;225        }226      if (propKey === 'style') {227        if (nextProp) {228          nextProp = this._previousStyleCopy = Object.assign({}, nextProp);229        } else {230          this._previousStyleCopy = null;231        }232        if (lastProp) {233          for (styleName in lastProp) {234            if (235              lastProp.hasOwnProperty(styleName) &&236              (237                !nextProp || !nextProp.hasOwnProperty(styleName)238              )239            ) {240              styleUpdates = styleUpdates || {};241              styleUpdates[styleName] = '';242            }243          }244          for (styleName in nextProp) {245            if (246              nextProp.hasOwnProperty(styleName) &&247              lastProp[styleName] !== nextProp[styleName]248            ) {249              styleUpdates = styleUpdates || {};250              styleUpdates[styleName] = nextProp[styleName];251            }252          }253        } else {254          styleUpdates = nextProp;255        }256      } else if (registrationNameModules.hasOwnProperty(propKey)) {257        // DOM events258        if (nextProp) {259          enqueuePutListener(this, propKey, nextProp, transaction);260        } else if (lastProp) {261          deleteListener(this, propKey);262        }263      } else if (isCustomComponent(this._tag, nextProps)) {264        // React Component265        if (!RESERVED_PROPS.hasOwnProperty(propKey)) {266          DOMPropertyOperations.setValueForAttribute(267            getNode(this),268            propKey,269            nextProp,270          );271        }272      } else if (273        DOMProperty.properties[propKey] ||...react.js
Source:react.js  
...3  // ...4  for (propKey in nextProps) {5    // 夿æ¯å¦ä¸ºäºä»¶å±æ§ï¼registrationNameModules { onBlur, onClick ..... }6    if (registrationNameModules.hasOwnProperty(propKey)) {7      enqueuePutListener(this, propKey, nextProp, transaction);8    }9  }10}11function enqueuePutListener(inst, registrationName, listener, transaction) {12  // ...13  // doc æ¯ document 14  var doc = isDocumentFragment ? containerInfo._node : containerInfo._ownerDocument; 15  // listenTo å°äºä»¶æ³¨åå° document ä¸16  listenTo(registrationName, doc);17  18  // putListener åå¨äºä»¶ï¼æ¾å
¥äºå¡éåä¸19  transaction.getReactMountReady().enqueue(putListener, {20    inst: inst, // React Component21    registrationName: registrationName, // åæäºä»¶åç§°22    listener: listener // åè°å½æ°23  });24}25// ReactBrowserEventEmitter.js...ReactPutListenerQueue.js
Source:ReactPutListenerQueue.js  
1"use strict";2function r() {3    this.listenersToPut = [];4}5var o = require("./PooledClass"), i = require("./ReactBrowserEventEmitter"), s = require("./Object.assign");6s(r.prototype, {7    enqueuePutListener: function(e, t, n) {8        this.listenersToPut.push({9            rootNodeID: e,10            propKey: t,11            propValue: n12        });13    },14    putListeners: function() {15        for (var e = 0; e < this.listenersToPut.length; e++) {16            var t = this.listenersToPut[e];17            i.putListener(t.rootNodeID, t.propKey, t.propValue);18        }19    },20    reset: function() {21        this.listenersToPut.length = 0;22    },23    destructor: function() {24        this.reset();25    }26});27o.addPoolingTo(r);...Using AI Code Generation
1const { enqueuePutListener } = require('playwright/lib/server/supplements/recorder/recorderSupplement');2const { chromium } = require('playwright');3(async () => {4  const browser = await chromium.launch();5  const context = await browser.newContext();6  const page = await context.newPage();Using AI Code Generation
1const { chromium } = require('playwright');2(async () => {3  const browser = await chromium.launch({headless: false});4  const page = await browser.newPage();5  await page.route('**', route => {6    console.log(route.request().url());7    route.continue();8  });9  await browser.close();10})();11const { chromium } = require('playwright');12(async () => {13  const browser = await chromium.launch({headless: false});14  const page = await browser.newPage();15  await page.route('**', route => {16    console.log(route.request().url());17    route.continue();18  });19  await browser.close();20})();21const { chromium } = require('playwright');22(async () => {23  const browser = await chromium.launch({headless: false});24  const page = await browser.newPage();25  await page.route('**', route => {26    console.log(route.request().url());27    route.continue();28  });29  await browser.close();30})();31const { chromium } = require('playwright');32(async () => {33  const browser = await chromium.launch({headless: false});34  const page = await browser.newPage();35  await page.route('**', route => {36    console.log(route.request().url());37    route.continue();38  });39  await browser.close();40})();41const { chromium } = require('playwright');42(async () => {43  const browser = await chromium.launch({headless: false});44  const page = await browser.newPage();45  await page.route('**', route =>Using AI Code Generation
1const { enqueuePutListener } = require('playwright/lib/server/supplements/recorder/recorderSupplement');2enqueuePutListener((name, ...args) => {3  console.log(name, args);4});5const { test, expect } = require('@playwright/test');6test('test', async ({ page }) => {7  await page.click('text=Get Started');Using AI Code Generation
1const { enqueuePutListener } = require("playwright");2module.exports = async (page) => {3  await page.waitForSelector("text=Docs");4  await enqueuePutListener(page, "document", "click");5  await page.click("text=Docs");6  const [event] = await page.waitForEvent("document", "click");7  console.log(event);8};9{ type: 'click',10  target: { type: 'node', subtype: 'html', nodeName: 'A', ... },11  timeStamp: 1626735316462 }12const { waitForEvent } = require("playwright");13module.exports = async (page) => {14  await page.waitForSelector("text=Docs");15  await page.click("text=Docs");16  const [event] = await waitForEvent("page", "navigation");17  console.log(event);18};19  timestamp: 1626735316462 }Using AI Code Generation
1const { enqueuePutListener } = require('@playwright/test/lib/utils/patchRequire');2enqueuePutListener((event) => {3    if (event.name === 'testDone') {4        console.log('Test Done', event.test.title);5    }6});7const { test } = require('@playwright/test');8test('test', async ({ page }) => {9});10module.exports = {11    use: {12    },13        ['json', { outputFile: 'test-results.json' }],14        {15            use: {16            },17        },18};19  1/1 test › test (1s)20  ✓ 1 passed (2s)21  1/1 test › test (1s)22  ✓ 1 passed (2s)23I am also unable to get the testDone event to fire when the test fails (i.e. the test throws an exception). Is there a way to get the testDone event to fire when the test fails?24const { enqueuePutListener } = require('@playwright/test/lib/utils/patchRequire');25enqueuePutListener((event) => {26    if (event.name === 'testDone') {27        console.log('Test Done', event.test.title);28    }29});Using AI Code Generation
1const {chromium} = require('playwright');2(async () => {3  const browser = await chromium.launch({headless: false});4  const context = await browser.newContext();5  const page = await context.newPage();6  await page.waitForLoadState();7  await page.evaluate(() => {8    window.addEventListener('load', () => {9      console.log('load event fired');10    });11    window.addEventListener('DOMContentLoaded', () => {12      console.log('DOMContentLoaded event fired');13    });14  });15  await page.waitForLoadState('networkidle');16  await browser.close();17})();18const {chromium} = require('playwright');19const config = {20  use: {21    viewport: { width: 1280, height: 720 },22    launchOptions: {23    },24    contextOptions: {25    },26    pageOptions: {27    },28  },29};30module.exports = config;31const {chromium} = require('playwright');32const config = {33  use: {34    viewport: { width: 1280, height: 720 },Using AI Code Generation
1const { enqueuePutListener } = require('playwright/lib/server/browserContext');2enqueuePutListener('browserContext', 'didCreatePage', (page) => {3  page.route('**', (route) => {4    console.log('Route intercepted');5    route.continue();6  });7});8const { test, expect } = require('@playwright/test');9test('test', async ({ page }) => {10  await page.waitForTimeout(3000);11  expect(await page.title()).toBe('Playwright');12});Using AI Code Generation
1const { enqueuePutListener } = require('playwright/lib/server/webkit');2const { context } = require('playwright');3const contextId = '0x1';4const pageId = '0x2';5enqueuePutListener(wsEndpoint, contextId, pageId, 'Page.loadEventFired', (event) => {6  console.log(event);7});8const { enqueuePutListener } = require('playwright/lib/server/webkit');9const { context } = require('playwright');10const contextId = '0x1';11const pageId = '0x2';12enqueuePutListener(wsEndpoint, contextId, pageId, 'Page.loadEventFired', (event) => {13  console.log(event);14});15const { enqueuePutListener } = require('playwright/lib/server/webkit');16const { context } = require('playwright');17const contextId = '0x1';18const pageId = '0x2';19enqueuePutListener(wsEndpoint, contextId, pageId, 'Page.loadEventFired', (event) => {20  console.log(event);21});22const { enqueuePutListener } = require('playwright/lib/server/webkit');23const { context } = require('playwright');Using AI Code Generation
1const {  putListener } = require('playwright/internal/transport');2const {  helper } = require('playwright/internal/helper');3const {  assert } = require('playwright/internal/assert');4const {  BrowserContext } = require('playwright/internal/browserContext');5const {  Browser } = require('playwright/internal/browser');6const {  Page } = require('playwright/internal/page');7const {  ElementHandle } = require('playwright/internal/elementHandle');8const {  Frame } = require('playwright/internal/frame');9const {  JSHandle } = require('playwright/internal/jsHandle');10const {  JSHandleDispatcher } = require('playwright/internal/dispatchers/jsHandleDispatcher');11const {  ElementHandleDispatcher } = require('playwright/internal/dispatchers/elementHandleDispatcher');12const {  FrameDispatcher } = require('playwright/internal/dispatchers/frameDispatcher');13const {  PageDispatcher } = require('playwright/internal/dispatchers/pageDispatcher');14const {  BrowserDispatcher } = require('playwright/internal/dispatchers/browserDispatcher');15const {  BrowserContextDispatcher } = require('playwright/internal/dispatchers/browserContextDispatcher');16const {  Connection } = require('playwright/internal/connection');17const {  ConnectionTransport } = require('playwright/internal/connectionTransport');18const {  Protocol } = require('playwright/internal/protocol');19const {  EventEmitter } = require('events');20const {  Readable } = require('stream');21const {  WebSocket } = require('ws');22const {  WebSocketTransport } = require('playwright/internal/webSocketTransport');23const {  BrowserServer } = require('playwright/internal/browserServer');24const {  BrowserType } = require('playwright/internal/browserType');25const {  BrowserTypeDispatcher } = require('playwright/internal/dispatchers/browserTypeDispatcher');26const {  BrowserServerDispatcher } = require('playwright/internal/dispatchers/browserServerDispatcher');27const {  BrowserContextChannel } = require('playwright/internal/channels');28const {  BrowserChannel } = require('playwright/internal/channels');29const {  PageChannel } = require('playwright/internal/channels');30const {  ElementHandleChannel } = require('playwright/internal/channels');31const {  FrameChannel } = require('playwright/internal/channels');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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