Best JavaScript code snippet using playwright-internal
react.production.min.js
Source:react.production.min.js  
...135        Array.isArray(a)136            ? G(a, d, c, H.thatReturnsArgument)137            : null != a &&138              (t.isValidElement(a) &&139                  (a = t.cloneAndReplaceKey(140                      a,141                      e +142                          (!a.key || (b && b.key === a.key)143                              ? ""144                              : ("" + a.key).replace(N, "$\x26/") + "/") +145                          c146                  )),147              d.push(a));148    }149    function G(a, b, c, d, e) {150        var f = "";151        null != c && (f = ("" + c).replace(N, "$\x26/") + "/");152        b = K(b, f, d, e);153        null == a || u(a, "", U, b);...children.js
Source:children.js  
...27function escapeUserProvidedKey(text) {28  return ('' + text).replace(userProvidedKeyEscapeRegex, '$&/')29}3031function cloneAndReplaceKey(oldElm, newKey) {32  const cloned = cloneVnode(oldElm)33  cloned.key = newKey34  return cloned35}3637function getComponentKey(component, index) {38  return (39    typeof component === 'object' &&40    component !== null &&41    component.key != null42  )43    ? escape(component.key)44    : index.toString(36)45}4647function getPooledTraverseContext(mapResult, keyPrefix, mapFunction, mapContext) {48  if (traverseContextPool.length) {49    const traverseContext = traverseContextPool.pop()50    traverseContext.count = 051    traverseContext.fn = mapFunction52    traverseContext.result = mapResult53    traverseContext.context = mapContext54    traverseContext.keyPrefix = keyPrefix55    return traverseContext56  } else {57    return {58      count: 0,59      fn: mapFunction,60      result: mapResult,61      context: mapContext,62      keyPrefix: keyPrefix,63    }64  }65}6667function releaseTraverseContext(traverseContext) {68  traverseContext.result = null69  traverseContext.keyPrefix = null70  traverseContext.fn = null71  traverseContext.context = null72  traverseContext.count = 073  if (traverseContextPool.length < POOL_SIZE) {74    traverseContextPool.push(traverseContext)75  }76}7778// foreach callback79function forEachSingleChild(bookKeeping, child, name) {80  const { fn, context } = bookKeeping81  fn.call(context, child, bookKeeping.count++)82}8384// map callback85function mapSingleChildIntoContext(bookKeeping, child, childKey) {86  const { fn, result, keyPrefix, context } = bookKeeping87  let mappedChild = fn.call(context, child, bookKeeping.count++)8889  if (isArray(mappedChild)) {90    mapIntoWithKeyPrefixInternal(mappedChild, result, childKey, c => c)91  } else if (mappedChild != null) {92    if (isValidElement(mappedChild)) {93      mappedChild = cloneAndReplaceKey(94        mappedChild,95        // keep key of `newVNode` and `oldVNode`96        keyPrefix +97          (mappedChild.key && (!child || child.key !== mappedChild.key)98            ? escapeUserProvidedKey(mappedChild.key) + '/'99            : '') +100          childKey,101      )102    }103    result.push(mappedChild)104  }105}106107function traverseAllChildrenImpl(children, nameSoFar, callback, traverseContext) {
...ReactElement.js
Source:ReactElement.js  
1import REACT_ELEMENT_TYPE from './ReactElementSymbol'2//è¿æ»¤å±æ§3const RESERVED_PROPS = {4    key: true,5    ref: true,6    __self: true,7    __source: true8};9//å½åè°ç¨ç»ä»¶æé10const ReactCurrentOwner = {11    current: null12  };13//selfåownerï¼refç¨ç产ä¸ç¨ self, source14const ReactElement = function (type, key, ref, self, source, owner, props) {15  const element = {16    $$typeof: REACT_ELEMENT_TYPE, //æ£æµreact对象ï¼é²XSS17    //å
ç´ çå
ç½®å±æ§18    type: type,19    key: key,20    ref: ref,21    props: props,22    // è®°å½å建æ¤å
ç´ çç»ä»¶ã23    _owner: owner24  };25  return element;26};27//top-level-api createElement æ ¼å¼åJSX对象28ReactElement.createElement = function (type, config, children) {29    //åå§å屿§30    const props = {};31    let propName;32    let key = null; 33    let ref = null;34    let self = null;35    let source = null;36  37    if (config != null) {38        ref = config.ref === undefined ? null : config.ref;39        key = config.key === undefined ? '' + null : config.key;40        self = config.__self === undefined ? null : config.__self;41        source = config.__source === undefined ? null : config.__source;42      // å¤çå
¶å®å±æ§43      for (propName in config) {44        if (hasOwnProperty.call(config, propName) && !RESERVED_PROPS.hasOwnProperty(propName)) {45          props[propName] = config[propName];46        }47      }48    }49  50    // å¤çchildren,大äº1个childï¼è½¬æ¢ä¸ºæ°ç»51    const childrenLength = arguments.length - 2;52    if (childrenLength === 1) {53      props.children = children;54    } else if (childrenLength > 1) {55      const childArray = Array(childrenLength);56      for (let i = 0; i < childrenLength; i++) {57        childArray[i] = arguments[i + 2];58      }59      props.children = childArray;60    }61  62    // é»è®¤å±æ§63    if (type && type.defaultProps) {64      const defaultProps = type.defaultProps;65      for (propName in defaultProps) {66        if (props[propName] === undefined) {67          props[propName] = defaultProps[propName];68        }69      }70    }71    return ReactElement(type, key, ref, self, source, ReactCurrentOwner.current, props);72  };73//top-level-api createFactory æ´é²type屿§74ReactElement.createFactory = function (type) {75  const factory = ReactElement.createElement.bind(null, type);76  factory.type = type;77  return factory;78};79//cloneAndReplaceKey å
鿢key80ReactElement.cloneAndReplaceKey = function (oldElement, newKey) {81  const newElement = ReactElement(oldElement.type, newKey, oldElement.ref, oldElement._self, oldElement._source, oldElement._owner, oldElement.props);82  return newElement;83};84//top-level-api å
éå
ç´ 85ReactElement.cloneElement = function (element, config, children) {86  // åprops87  const props = Object.assign({}, element.props);88  let propName;89  let key = element.key;90  let ref = element.ref;91  let self = element._self;92  let source = element._source;93  let owner = element._owner;94  if (config != null) {95    ref = config.ref === undefined ? null : config.ref;96    key = config.key === undefined ? '' + null : config.key;97    // é»è®¤å±æ§98    let defaultProps;99    if (element.type && element.type.defaultProps) {100      defaultProps = element.type.defaultProps;101    }102    for (propName in config) {103      if (hasOwnProperty.call(config, propName) && !RESERVED_PROPS.hasOwnProperty(propName)) {104        if (config[propName] === undefined && defaultProps !== undefined) {105          props[propName] = defaultProps[propName];106        } else {107          props[propName] = config[propName];108        }109      }110    }111  }112  const childrenLength = arguments.length - 2;113  if (childrenLength === 1) {114    props.children = children;115  } else if (childrenLength > 1) {116    const childArray = Array(childrenLength);117    for (let i = 0; i < childrenLength; i++) {118      childArray[i] = arguments[i + 2];119    }120    props.children = childArray;121  }122  return ReactElement(element.type, key, ref, self, source, owner, props);123};124//top-level-api æ£æµå
ç´ æ¯å¦æ¯reactå
ç´ 125ReactElement.isValidElement = function (object) {126  return typeof object === 'object' && object !== null && object.$$typeof === REACT_ELEMENT_TYPE;127};...ReactChildren.js
Source:ReactChildren.js  
...55        escapedChildKey = escapeUserProvidedKey(childKey) + '/';56      mapIntoArray(mappedChild, array, escapedChildKey, '', (c) => c);57    } else if (mappedChild !== null) {58      if (isValidElement(mappedChild)) {59        mappedChild = cloneAndReplaceKey(60          mappedChild,61          escapedPrefix +62            (mappedChild.key && (!child || child.key !== mappedChild.key)63              ? escapeUserProvidedKey('' + mappedChild.key) + '/'64              : '') +65            childKey66        );67      }68      array.push(mappedChild);69    }70    return 1;71  }72  let child;73  let nextName;...BlockList.js
Source:BlockList.js  
...33    }34    React.Children.forEach(this.props.children, (element, index) => {35      if (element) {36        if (element.key == null) {37          arr.push(ReactElement.cloneAndReplaceKey(element, 'c-' + index));38        } else {39          arr.push(element);40        }41        this._renderSeparate(arr, 'sp-' + index);42      }43    });44    if (!this.props.separateBottom && this._separate) {45      arr.pop();46    }47    return arr;48  }49  _renderSeparate(arr, key) {50    if (this._separate === undefined) {51      if (this.props.line) {52        this._separate = LAB.render(this.props.line, { key });53        arr.push(this._separate);54      } else if (this.props.blank) {55        this._separate = LAB.render(this.props.blank, { key });56        arr.push(this._separate);57      } else {58        this._separate = null;59      }60    } else if (this._separate) {61      arr.push(ReactElement.cloneAndReplaceKey(this._separate, key));62    }63  }64}65const styles = StyleSheet.create({66  container: {67    flexGrow: 1,68    flexShrink: 1,69  },70});...PopupContainer.js
Source:PopupContainer.js  
...21    if (!element) {22      return;23    }24    const lid = ++_lid;25    this.state.viewStack.push(ReactElement.cloneAndReplaceKey(element, lid));26    this.forceUpdate();27    return lid;28  }29  pop(id, cb) {30    if (this._isUnmounted) {31      return;32    }33    const viewStack = this.state.viewStack;34    const len = viewStack.length;35    if (!len) {36      return;37    }38    if (typeof id !== 'number') {39      viewStack.splice(len - 1, 1);...flat1.js
Source:flat1.js  
1/**2 * Copyright (c) 2014-present, Facebook, Inc.3 *4 * This source code is licensed under the MIT license found in the5 * LICENSE file in the root directory of this source tree.6 *7 */8'use strict';9var _assign = require('object-assign');10var ReactCurrentOwner = require('./ReactCurrentOwner');11var warning = require('fbjs/lib/warning');12var canDefineProperty = require('./canDefineProperty');13var hasOwnProperty = Object.prototype.hasOwnProperty;14var REACT_ELEMENT_TYPE = require('./ReactElementSymbol');15var RESERVED_PROPS = {16  key: true,17  ref: true,18  __self: true,19  __source: true20};21var specialPropKeyWarningShown, specialPropRefWarningShown;22function hasValidRef(config) {/* ... */}23function hasValidKey(config) {/* ... */}24function defineKeyPropWarningGetter(props, displayName) {/* ... */}25function defineRefPropWarningGetter(props, displayName) {/* ... */}26var ReactElement = function (type, key, ref, self, source, owner, props) {/* ... */};27ReactElement.createElement = function (type, config, children) {/* ... */};28ReactElement.createFactory = function (type) {/* ... */};29ReactElement.cloneAndReplaceKey = function (oldElement, newKey) {/* ... */};30ReactElement.cloneElement = function (element, config, children) {/* ... */};31/* éªè¯ React å
ç´  */32ReactElement.isValidElement = function (object) {/* ... */};...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.keyboard.press('Enter');6  await page.keyboard.press('Enter');7  let cookies = await page.context().cookies();8  cookies = await page.context().addCookies(cookies.map(c => page.context()._browserContext._options.browserWSEndpoint.cloneAndReplaceKey(c)));9  console.log(cookies);10  await browser.close();11})();Using AI Code Generation
1const { chromium } = require('playwright');2(async () => {3  const browser = await chromium.launch();4  const page = await browser.newPage();5  await newPage.close();6  await browser.close();7})();8const { chromium } = require('playwright');9(async () => {10  const browser = await chromium.launch();11  const page = await browser.newPage();12  const newPage = await page.clone();13  await newPage.close();14  await browser.close();15})();16const { chromium } = require('playwright');17(async () => {18  const browser = await chromium.launch();19  const page = await browser.newPage();20  const newPage = await page.clone();21  await newPage.close();22  await browser.close();23})();24const { chromium } = require('playwright');25(async () => {26  const browser = await chromium.launch();27  const page = await browser.newPage();28  const newPage = await page.clone();29  await newPage.close();30  await browser.close();31})();32const { chromium } = require('playwright');33(async () => {34  const browser = await chromium.launch();35  const page = await browser.newPage();36  const newPage = await page.clone();37  await newPage.close();38  await browser.close();39})();40const { chromium } = require('playwright');41(async () => {42  const browser = await chromium.launch();43  const page = await browser.newPage();44  const newPage = await page.clone();45  await newPage.close();46  await browser.close();47})();Using AI Code Generation
1const { cloneAndReplaceKey } = require('playwright/lib/utils/utils');2const obj = { a: { b: { c: 1 } } };3const newObj = cloneAndReplaceKey(obj, ['a', 'b', 'c'], 2);4console.log(newObj);5const { cloneAndReplaceKey } = require('playwright/lib/utils/utils');6const obj = { a: { b: { c: 1 } } };7const newObj = cloneAndReplaceKey(obj, ['a', 'b', 'c'], 2);8console.log(newObj);9const { cloneAndReplaceKey } = require('playwright/lib/utils/utils');10const obj = { a: { b: { c: 1 } } };11const newObj = cloneAndReplaceKey(obj, ['a', 'b', 'c'], 2);12console.log(newObj);13const { cloneAndReplaceKey } = require('playwright/lib/utils/utils');14const obj = { a: { b: { c: 1 } } };15const newObj = cloneAndReplaceKey(obj, ['a', 'b', 'c'], 2);16console.log(newObj);17const { cloneAndReplaceKey } = require('playwright/lib/utils/utils');18const obj = { a: { b: { c: 1 } } };19const newObj = cloneAndReplaceKey(obj, ['a', 'b', 'c'], 2);20console.log(newObj);21const { cloneAndReplaceKey } = require('playwrightUsing AI Code Generation
1const { cloneAndReplaceKey } = require('playwright/lib/utils/utils');2const obj = { a: 1, b: 2, c: 3, d: 4 };3const newObj = cloneAndReplaceKey(obj, 'a', 'e');4console.log(newObj);5{ e: 1, b: 2, c: 3, d: 4 }6const { cloneObject } = require('playwright/lib/utils/utils');7const obj = { a: 1, b: 2, c: 3, d: 4 };8const newObj = cloneObject(obj);9console.log(newObj);10{ a: 1, b: 2, c: 3, d: 4 }11const { cloneRegExp } = require('playwright/lib/utils/utils');12const obj = /ab+c/;13const newObj = cloneRegExp(obj);14console.log(newObj);Using AI Code Generation
1const { cloneAndReplaceKey } = require('playwright/lib/utils/utils');2const obj = { a: 1, b: { c: 2 } };3const clonedObj = cloneAndReplaceKey(obj, 'a', 'd');4console.log(clonedObj);5{ d: 1, b: { c: 2 } }6  pw:api utils.cloneAndReplaceKey { a: 1, b: { c: 2 } } +0ms7  pw:api utils.cloneAndReplaceKey { d: 1, b: { c: 2 } } +2ms8{ d: 1, b: { c: 2 } }Using AI Code Generation
1const { cloneAndReplaceKey } = require('playwright/lib/utils/utils');2const newObject = cloneAndReplaceKey({ a: 'a', b: 'b' }, 'b', 'c');3console.log(newObject);4const { cloneAndReplaceValue } = require('playwright/lib/utils/utils');5const newObject = cloneAndReplaceValue({ a: 'a', b: 'b' }, 'b', 'c');6console.log(newObject);7const { cloneAndMerge } = require('playwright/lib/utils/utils');8const newObject = cloneAndMerge({ a: 'a', b: 'b' }, { b: 'c', c: 'd' });9console.log(newObject);Using AI Code Generation
1const { cloneAndReplaceKey } = require('@playwright/test/lib/server/trace/snapshot/snapshotter');2const obj = {3  b: {4  }5};6console.log(cloneAndReplaceKey(obj, 'a', 5));7const { cloneAndReplaceKey } = require('@playwright/test/lib/server/trace/snapshot/snapshotter');8const obj = {9  b: {10  }11};12console.log(cloneAndReplaceKey(obj, 'c', 5));13const { cloneAndReplaceKey } = require('@playwright/test/lib/server/trace/snapshot/snapshotter');14const obj = {15  b: {16  }17};18console.log(cloneAndReplaceKey(obj, 'e', 5));19const { cloneAndReplaceKey } = require('@playwright/test/lib/server/trace/snapshot/snapshotter');20const obj = {21  b: {22  }23};24console.log(cloneAndReplaceKey(obj, 'd', 5));25const { cloneAndReplaceKey } = require('@playwright/test/lib/server/trace/snapshot/snapshotter');26const obj = {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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