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How to use ReactDOMComponent method in Playwright Internal

Best JavaScript code snippet using playwright-internal

ReactTestUtils.js

Source:ReactTestUtils.js

1/**2 * Copyright 2013-2015, Facebook, Inc.3 * All rights reserved.4 *5 * This source code is licensed under the BSD-style license found in the6 * LICENSE file in the root directory of this source tree. An additional grant7 * of patent rights can be found in the PATENTS file in the same directory.8 *9 * @providesModule ReactTestUtils10 */11'use strict';12var EventConstants = require('EventConstants');13var EventPluginHub = require('EventPluginHub');14var EventPluginRegistry = require('EventPluginRegistry');15var EventPropagators = require('EventPropagators');16var React = require('React');17var ReactDOM = require('ReactDOM');18var ReactDOMComponentTree = require('ReactDOMComponentTree');19var ReactElement = require('ReactElement');20var ReactBrowserEventEmitter = require('ReactBrowserEventEmitter');21var ReactCompositeComponent = require('ReactCompositeComponent');22var ReactInstanceMap = require('ReactInstanceMap');23var ReactUpdates = require('ReactUpdates');24var SyntheticEvent = require('SyntheticEvent');25var assign = require('Object.assign');26var emptyObject = require('emptyObject');27var findDOMNode = require('findDOMNode');28var invariant = require('invariant');29var topLevelTypes = EventConstants.topLevelTypes;30function Event(suffix) {}31/**32 * @class ReactTestUtils33 */34function findAllInRenderedTreeInternal(inst, test) {35  if (!inst || !inst.getPublicInstance) {36    return [];37  }38  var publicInst = inst.getPublicInstance();39  var ret = test(publicInst) ? [publicInst] : [];40  var currentElement = inst._currentElement;41  if (ReactTestUtils.isDOMComponent(publicInst)) {42    var renderedChildren = inst._renderedChildren;43    var key;44    for (key in renderedChildren) {45      if (!renderedChildren.hasOwnProperty(key)) {46        continue;47      }48      ret = ret.concat(49        findAllInRenderedTreeInternal(50          renderedChildren[key],51          test52        )53      );54    }55  } else if (56    ReactElement.isValidElement(currentElement) &&57    typeof currentElement.type === 'function'58  ) {59    ret = ret.concat(60      findAllInRenderedTreeInternal(inst._renderedComponent, test)61    );62  }63  return ret;64}65/**66 * Todo: Support the entire DOM.scry query syntax. For now, these simple67 * utilities will suffice for testing purposes.68 * @lends ReactTestUtils69 */70var ReactTestUtils = {71  renderIntoDocument: function(instance) {72    var div = document.createElement('div');73    // None of our tests actually require attaching the container to the74    // DOM, and doing so creates a mess that we rely on test isolation to75    // clean up, so we're going to stop honoring the name of this method76    // (and probably rename it eventually) if no problems arise.77    // document.documentElement.appendChild(div);78    return ReactDOM.render(instance, div);79  },80  isElement: function(element) {81    return ReactElement.isValidElement(element);82  },83  isElementOfType: function(inst, convenienceConstructor) {84    return (85      ReactElement.isValidElement(inst) &&86      inst.type === convenienceConstructor87    );88  },89  isDOMComponent: function(inst) {90    return !!(inst && inst.nodeType === 1 && inst.tagName);91  },92  isDOMComponentElement: function(inst) {93    return !!(inst &&94              ReactElement.isValidElement(inst) &&95              !!inst.tagName);96  },97  isCompositeComponent: function(inst) {98    if (ReactTestUtils.isDOMComponent(inst)) {99      // Accessing inst.setState warns; just return false as that'll be what100      // this returns when we have DOM nodes as refs directly101      return false;102    }103    return inst != null &&104           typeof inst.render === 'function' &&105           typeof inst.setState === 'function';106  },107  isCompositeComponentWithType: function(inst, type) {108    if (!ReactTestUtils.isCompositeComponent(inst)) {109      return false;110    }111    var internalInstance = ReactInstanceMap.get(inst);112    var constructor = internalInstance113      ._currentElement114      .type;115    return (constructor === type);116  },117  isCompositeComponentElement: function(inst) {118    if (!ReactElement.isValidElement(inst)) {119      return false;120    }121    // We check the prototype of the type that will get mounted, not the122    // instance itself. This is a future proof way of duck typing.123    var prototype = inst.type.prototype;124    return (125      typeof prototype.render === 'function' &&126      typeof prototype.setState === 'function'127    );128  },129  isCompositeComponentElementWithType: function(inst, type) {130    var internalInstance = ReactInstanceMap.get(inst);131    var constructor = internalInstance132      ._currentElement133      .type;134    return !!(ReactTestUtils.isCompositeComponentElement(inst) &&135             (constructor === type));136  },137  getRenderedChildOfCompositeComponent: function(inst) {138    if (!ReactTestUtils.isCompositeComponent(inst)) {139      return null;140    }141    var internalInstance = ReactInstanceMap.get(inst);142    return internalInstance._renderedComponent.getPublicInstance();143  },144  findAllInRenderedTree: function(inst, test) {145    if (!inst) {146      return [];147    }148    invariant(149      ReactTestUtils.isCompositeComponent(inst),150      'findAllInRenderedTree(...): instance must be a composite component'151    );152    return findAllInRenderedTreeInternal(ReactInstanceMap.get(inst), test);153  },154  /**155   * Finds all instance of components in the rendered tree that are DOM156   * components with the class name matching `className`.157   * @return {array} an array of all the matches.158   */159  scryRenderedDOMComponentsWithClass: function(root, classNames) {160    if (!Array.isArray(classNames)) {161      classNames = classNames.split(/\s+/);162    }163    return ReactTestUtils.findAllInRenderedTree(root, function(inst) {164      if (ReactTestUtils.isDOMComponent(inst)) {165        var className = inst.className;166        if (typeof className !== 'string') {167          // SVG, probably.168          className = inst.getAttribute('class') || '';169        }170        var classList = className.split(/\s+/);171        return classNames.every(function(name) {172          return classList.indexOf(name) !== -1;173        });174      }175      return false;176    });177  },178  /**179   * Like scryRenderedDOMComponentsWithClass but expects there to be one result,180   * and returns that one result, or throws exception if there is any other181   * number of matches besides one.182   * @return {!ReactDOMComponent} The one match.183   */184  findRenderedDOMComponentWithClass: function(root, className) {185    var all =186      ReactTestUtils.scryRenderedDOMComponentsWithClass(root, className);187    if (all.length !== 1) {188      throw new Error('Did not find exactly one match ' +189        '(found: ' + all.length + ') for class:' + className190      );191    }192    return all[0];193  },194  /**195   * Finds all instance of components in the rendered tree that are DOM196   * components with the tag name matching `tagName`.197   * @return {array} an array of all the matches.198   */199  scryRenderedDOMComponentsWithTag: function(root, tagName) {200    return ReactTestUtils.findAllInRenderedTree(root, function(inst) {201      return ReactTestUtils.isDOMComponent(inst) &&202            inst.tagName.toUpperCase() === tagName.toUpperCase();203    });204  },205  /**206   * Like scryRenderedDOMComponentsWithTag but expects there to be one result,207   * and returns that one result, or throws exception if there is any other208   * number of matches besides one.209   * @return {!ReactDOMComponent} The one match.210   */211  findRenderedDOMComponentWithTag: function(root, tagName) {212    var all = ReactTestUtils.scryRenderedDOMComponentsWithTag(root, tagName);213    if (all.length !== 1) {214      throw new Error('Did not find exactly one match ' +215        '(found ' + all.length + ') for tag:' + tagName216      );217    }218    return all[0];219  },220  /**221   * Finds all instances of components with type equal to `componentType`.222   * @return {array} an array of all the matches.223   */224  scryRenderedComponentsWithType: function(root, componentType) {225    return ReactTestUtils.findAllInRenderedTree(root, function(inst) {226      return ReactTestUtils.isCompositeComponentWithType(227        inst,228        componentType229      );230    });231  },232  /**233   * Same as `scryRenderedComponentsWithType` but expects there to be one result234   * and returns that one result, or throws exception if there is any other235   * number of matches besides one.236   * @return {!ReactComponent} The one match.237   */238  findRenderedComponentWithType: function(root, componentType) {239    var all = ReactTestUtils.scryRenderedComponentsWithType(240      root,241      componentType242    );243    if (all.length !== 1) {244      throw new Error(245        'Did not find exactly one match for componentType:' + componentType +246        ' (found ' + all.length + ')'247      );248    }249    return all[0];250  },251  /**252   * Pass a mocked component module to this method to augment it with253   * useful methods that allow it to be used as a dummy React component.254   * Instead of rendering as usual, the component will become a simple255   * <div> containing any provided children.256   *257   * @param {object} module the mock function object exported from a258   *                        module that defines the component to be mocked259   * @param {?string} mockTagName optional dummy root tag name to return260   *                              from render method (overrides261   *                              module.mockTagName if provided)262   * @return {object} the ReactTestUtils object (for chaining)263   */264  mockComponent: function(module, mockTagName) {265    mockTagName = mockTagName || module.mockTagName || 'div';266    module.prototype.render.mockImplementation(function() {267      return React.createElement(268        mockTagName,269        null,270        this.props.children271      );272    });273    return this;274  },275  /**276   * Simulates a top level event being dispatched from a raw event that occurred277   * on an `Element` node.278   * @param {Object} topLevelType A type from `EventConstants.topLevelTypes`279   * @param {!Element} node The dom to simulate an event occurring on.280   * @param {?Event} fakeNativeEvent Fake native event to use in SyntheticEvent.281   */282  simulateNativeEventOnNode: function(topLevelType, node, fakeNativeEvent) {283    fakeNativeEvent.target = node;284    ReactBrowserEventEmitter.ReactEventListener.dispatchEvent(285      topLevelType,286      fakeNativeEvent287    );288  },289  /**290   * Simulates a top level event being dispatched from a raw event that occurred291   * on the `ReactDOMComponent` `comp`.292   * @param {Object} topLevelType A type from `EventConstants.topLevelTypes`.293   * @param {!ReactDOMComponent} comp294   * @param {?Event} fakeNativeEvent Fake native event to use in SyntheticEvent.295   */296  simulateNativeEventOnDOMComponent: function(297      topLevelType,298      comp,299      fakeNativeEvent) {300    ReactTestUtils.simulateNativeEventOnNode(301      topLevelType,302      findDOMNode(comp),303      fakeNativeEvent304    );305  },306  nativeTouchData: function(x, y) {307    return {308      touches: [309        {pageX: x, pageY: y},310      ],311    };312  },313  createRenderer: function() {314    return new ReactShallowRenderer();315  },316  Simulate: null,317  SimulateNative: {},318};319/**320 * @class ReactShallowRenderer321 */322var ReactShallowRenderer = function() {323  this._instance = null;324};325ReactShallowRenderer.prototype.getRenderOutput = function() {326  return (327    (this._instance && this._instance._renderedComponent &&328     this._instance._renderedComponent._renderedOutput)329    || null330  );331};332ReactShallowRenderer.prototype.getMountedInstance = function() {333  return this._instance ? this._instance._instance : null;334};335var NoopInternalComponent = function(element) {336  this._renderedOutput = element;337  this._currentElement = element;338};339NoopInternalComponent.prototype = {340  mountComponent: function() {341  },342  receiveComponent: function(element) {343    this._renderedOutput = element;344    this._currentElement = element;345  },346  getNativeNode: function() {347    return undefined;348  },349  unmountComponent: function() {350  },351};352var ShallowComponentWrapper = function() { };353assign(354  ShallowComponentWrapper.prototype,355  ReactCompositeComponent.Mixin, {356    _instantiateReactComponent: function(element) {357      return new NoopInternalComponent(element);358    },359    _replaceNodeWithMarkup: function() {},360    _renderValidatedComponent:361      ReactCompositeComponent.Mixin362        ._renderValidatedComponentWithoutOwnerOrContext,363  }364);365ReactShallowRenderer.prototype.render = function(element, context) {366  invariant(367    ReactElement.isValidElement(element),368    'ReactShallowRenderer render(): Invalid component element.%s',369    typeof element === 'function' ?370      ' Instead of passing a component class, make sure to instantiate ' +371      'it by passing it to React.createElement.' :372      ''373  );374  invariant(375    typeof element.type !== 'string',376    'ReactShallowRenderer render(): Shallow rendering works only with custom ' +377    'components, not primitives (%s). Instead of calling `.render(el)` and ' +378    'inspecting the rendered output, look at `el.props` directly instead.',379    element.type380  );381  if (!context) {382    context = emptyObject;383  }384  var transaction = ReactUpdates.ReactReconcileTransaction.getPooled(true);385  this._render(element, transaction, context);386  ReactUpdates.ReactReconcileTransaction.release(transaction);387};388ReactShallowRenderer.prototype.unmount = function() {389  if (this._instance) {390    this._instance.unmountComponent();391  }392};393ReactShallowRenderer.prototype._render = function(element, transaction, context) {394  if (this._instance) {395    this._instance.receiveComponent(element, transaction, context);396  } else {397    var instance = new ShallowComponentWrapper(element.type);398    instance.construct(element);399    instance.mountComponent(transaction, null, null, context);400    this._instance = instance;401  }402};403/**404 * Exports:405 *406 * - `ReactTestUtils.Simulate.click(Element/ReactDOMComponent)`407 * - `ReactTestUtils.Simulate.mouseMove(Element/ReactDOMComponent)`408 * - `ReactTestUtils.Simulate.change(Element/ReactDOMComponent)`409 * - ... (All keys from event plugin `eventTypes` objects)410 */411function makeSimulator(eventType) {412  return function(domComponentOrNode, eventData) {413    var node;414    invariant(415      !React.isValidElement(domComponentOrNode),416      'TestUtils.Simulate expects a component instance and not a ReactElement.' +417      'TestUtils.Simulate will not work if you are using shallow rendering.'418    );419    if (ReactTestUtils.isDOMComponent(domComponentOrNode)) {420      node = findDOMNode(domComponentOrNode);421    } else if (domComponentOrNode.tagName) {422      node = domComponentOrNode;423    }424    var dispatchConfig =425      EventPluginRegistry.eventNameDispatchConfigs[eventType];426    var fakeNativeEvent = new Event();427    fakeNativeEvent.target = node;428    // We don't use SyntheticEvent.getPooled in order to not have to worry about429    // properly destroying any properties assigned from `eventData` upon release430    var event = new SyntheticEvent(431      dispatchConfig,432      ReactDOMComponentTree.getInstanceFromNode(node),433      fakeNativeEvent,434      node435    );436    assign(event, eventData);437    if (dispatchConfig.phasedRegistrationNames) {438      EventPropagators.accumulateTwoPhaseDispatches(event);439    } else {440      EventPropagators.accumulateDirectDispatches(event);441    }442    ReactUpdates.batchedUpdates(function() {443      EventPluginHub.enqueueEvents(event);444      EventPluginHub.processEventQueue(true);445    });446  };447}448function buildSimulators() {449  ReactTestUtils.Simulate = {};450  var eventType;451  for (eventType in EventPluginRegistry.eventNameDispatchConfigs) {452    /**453     * @param {!Element|ReactDOMComponent} domComponentOrNode454     * @param {?object} eventData Fake event data to use in SyntheticEvent.455     */456    ReactTestUtils.Simulate[eventType] = makeSimulator(eventType);457  }458}459// Rebuild ReactTestUtils.Simulate whenever event plugins are injected460var oldInjectEventPluginOrder = EventPluginHub.injection.injectEventPluginOrder;461EventPluginHub.injection.injectEventPluginOrder = function() {462  oldInjectEventPluginOrder.apply(this, arguments);463  buildSimulators();464};465var oldInjectEventPlugins = EventPluginHub.injection.injectEventPluginsByName;466EventPluginHub.injection.injectEventPluginsByName = function() {467  oldInjectEventPlugins.apply(this, arguments);468  buildSimulators();469};470buildSimulators();471/**472 * Exports:473 *474 * - `ReactTestUtils.SimulateNative.click(Element/ReactDOMComponent)`475 * - `ReactTestUtils.SimulateNative.mouseMove(Element/ReactDOMComponent)`476 * - `ReactTestUtils.SimulateNative.mouseIn/ReactDOMComponent)`477 * - `ReactTestUtils.SimulateNative.mouseOut(Element/ReactDOMComponent)`478 * - ... (All keys from `EventConstants.topLevelTypes`)479 *480 * Note: Top level event types are a subset of the entire set of handler types481 * (which include a broader set of "synthetic" events). For example, onDragDone482 * is a synthetic event. Except when testing an event plugin or React's event483 * handling code specifically, you probably want to use ReactTestUtils.Simulate484 * to dispatch synthetic events.485 */486function makeNativeSimulator(eventType) {487  return function(domComponentOrNode, nativeEventData) {488    var fakeNativeEvent = new Event(eventType);489    assign(fakeNativeEvent, nativeEventData);490    if (ReactTestUtils.isDOMComponent(domComponentOrNode)) {491      ReactTestUtils.simulateNativeEventOnDOMComponent(492        eventType,493        domComponentOrNode,494        fakeNativeEvent495      );496    } else if (domComponentOrNode.tagName) {497      // Will allow on actual dom nodes.498      ReactTestUtils.simulateNativeEventOnNode(499        eventType,500        domComponentOrNode,501        fakeNativeEvent502      );503    }504  };505}506Object.keys(topLevelTypes).forEach(function(eventType) {507  // Event type is stored as 'topClick' - we transform that to 'click'508  var convenienceName = eventType.indexOf('top') === 0 ?509    eventType.charAt(3).toLowerCase() + eventType.substr(4) : eventType;510  /**511   * @param {!Element|ReactDOMComponent} domComponentOrNode512   * @param {?Event} nativeEventData Fake native event to use in SyntheticEvent.513   */514  ReactTestUtils.SimulateNative[convenienceName] =515    makeNativeSimulator(eventType);516});...

splitDiff.stories.js

Source:splitDiff.stories.js

1import React from 'react';2import {storiesOf} from '@storybook/react';3import {withInfo} from '@storybook/addon-info';4import SplitDiff from 'app/components/splitDiff';5const base = `RangeError: Invalid array length6  at Constructor.render(./app/components/scoreBar.jsx:73:0)7  at ? (~/react/lib/ReactCompositeComponent.js:793:0)8  at measureLifeCyclePerf(~/react/lib/ReactCompositeComponent.js:74:0)9  at ReactCompositeComponentWrapper._renderValidatedComponentWithoutOwnerOrContext(~/react/lib/ReactCompositeComponent.js:792:0)10  at ReactCompositeComponentWrapper._renderValidatedComponent(~/react/lib/ReactCompositeComponent.js:819:0)11  at ReactCompositeComponentWrapper.performInitialMount(~/react/lib/ReactCompositeComponent.js:361:0)12  at ReactCompositeComponentWrapper.mountComponent(~/react/lib/ReactCompositeComponent.js:257:0)13  at Object.mountComponent(~/react/lib/ReactReconciler.js:47:0)14  at ReactDOMComponent.mountChildren(~/react/lib/ReactMultiChild.js:240:0)15  at ReactDOMComponent._createInitialChildren(~/react/lib/ReactDOMComponent.js:699:0)16  at ReactDOMComponent.mountComponent(~/react/lib/ReactDOMComponent.js:524:0)17  at Object.mountComponent(~/react/lib/ReactReconciler.js:47:0)18  at ReactCompositeComponentWrapper.performInitialMount(~/react/lib/ReactCompositeComponent.js:370:0)19  at ReactCompositeComponentWrapper.mountComponent(~/react/lib/ReactCompositeComponent.js:257:0)20  at Object.mountComponent(~/react/lib/ReactReconciler.js:47:0)21  at ReactDOMComponent.mountChildren(~/react/lib/ReactMultiChild.js:240:0)22  at ReactDOMComponent._createInitialChildren(~/react/lib/ReactDOMComponent.js:699:0)23  at ReactDOMComponent.mountComponent(~/react/lib/ReactDOMComponent.js:524:0)24  at Object.mountComponent(~/react/lib/ReactReconciler.js:47:0)25  at ReactDOMComponent.mountChildren(~/react/lib/ReactMultiChild.js:240:0)26  at ReactDOMComponent._createInitialChildren(~/react/lib/ReactDOMComponent.js:699:0)27  at ReactDOMComponent.mountComponent(~/react/lib/ReactDOMComponent.js:524:0)28  at Object.mountComponent(~/react/lib/ReactReconciler.js:47:0)29  at ReactDOMComponent.mountChildren(~/react/lib/ReactMultiChild.js:240:0)30  at ReactDOMComponent._createInitialChildren(~/react/lib/ReactDOMComponent.js:699:0)31  at ReactDOMComponent.mountComponent(~/react/lib/ReactDOMComponent.js:524:0)32  at Object.mountComponent(~/react/lib/ReactReconciler.js:47:0)33  at ReactCompositeComponentWrapper.performInitialMount(~/react/lib/ReactCompositeComponent.js:370:0)34  at ReactCompositeComponentWrapper.mountComponent(~/react/lib/ReactCompositeComponent.js:257:0)35  at Object.mountComponent(~/react/lib/ReactReconciler.js:47:0)36  at ReactCompositeComponentWrapper.performInitialMount(~/react/lib/ReactCompositeComponent.js:370:0)37  at ReactCompositeComponentWrapper.mountComponent(~/react/lib/ReactCompositeComponent.js:257:0)38  at Object.mountComponent(~/react/lib/ReactReconciler.js:47:0)39  at Object.updateChildren(~/react/lib/ReactChildReconciler.js:122:0)40  at ReactDOMComponent._reconcilerUpdateChildren(~/react/lib/ReactMultiChild.js:210:0)41  at ReactDOMComponent._updateChildren(~/react/lib/ReactMultiChild.js:314:0)42  at ReactDOMComponent.updateChildren(~/react/lib/ReactMultiChild.js:301:0)43  at ReactDOMComponent._updateDOMChildren(~/react/lib/ReactDOMComponent.js:942:0)44  at ReactDOMComponent.updateComponent(~/react/lib/ReactDOMComponent.js:760:0)45  at ReactDOMComponent.receiveComponent(~/react/lib/ReactDOMComponent.js:718:0)46  at Object.receiveComponent(~/react/lib/ReactReconciler.js:126:0)47  at Object.updateChildren(~/react/lib/ReactChildReconciler.js:110:0)48  at ReactDOMComponent._reconcilerUpdateChildren(~/react/lib/ReactMultiChild.js:210:0)49  at ReactDOMComponent._updateChildren(~/react/lib/ReactMultiChild.js:314:0)50  at ReactDOMComponent.updateChildren(~/react/lib/ReactMultiChild.js:301:0)51  at ReactDOMComponent._updateDOMChildren(~/react/lib/ReactDOMComponent.js:942:0)52  at ReactDOMComponent.updateComponent(~/react/lib/ReactDOMComponent.js:760:0)53  at ReactDOMComponent.receiveComponent(~/react/lib/ReactDOMComponent.js:718:0)54  at Object.receiveComponent(~/react/lib/ReactReconciler.js:126:0)55  at ReactCompositeComponentWrapper._updateRenderedComponent(~/react/lib/ReactCompositeComponent.js:751:0)`;56const target = `TypeError: Cannot read property 'id' of undefined57  at StreamGroupHeader.render(./app/components/stream/StreamGroupHeader.jsx:54:0)58  at ? (~/react/lib/ReactCompositeComponent.js:793:0)59  at measureLifeCyclePerf(~/react/lib/ReactCompositeComponent.js:74:0)60  at ReactCompositeComponentWrapper._renderValidatedComponentWithoutOwnerOrContext(~/react/lib/ReactCompositeComponent.js:792:0)61  at ReactCompositeComponentWrapper._renderValidatedComponent(~/react/lib/ReactCompositeComponent.js:819:0)62  at ReactCompositeComponentWrapper.performInitialMount(~/react/lib/ReactCompositeComponent.js:361:0)63  at ReactCompositeComponentWrapper.mountComponent(~/react/lib/ReactCompositeComponent.js:257:0)64  at Object.mountComponent(~/react/lib/ReactReconciler.js:47:0)65  at ReactDOMComponent.mountChildren(~/react/lib/ReactMultiChild.js:240:0)66  at ReactDOMComponent._createInitialChildren(~/react/lib/ReactDOMComponent.js:699:0)67  at ReactDOMComponent.mountComponent(~/react/lib/ReactDOMComponent.js:524:0)68  at Object.mountComponent(~/react/lib/ReactReconciler.js:47:0)69  at ReactDOMComponent.mountChildren(~/react/lib/ReactMultiChild.js:240:0)70  at ReactDOMComponent._createInitialChildren(~/react/lib/ReactDOMComponent.js:699:0)71  at ReactDOMComponent.mountComponent(~/react/lib/ReactDOMComponent.js:524:0)72  at Object.mountComponent(~/react/lib/ReactReconciler.js:47:0)73  at ReactCompositeComponentWrapper.performInitialMount(~/react/lib/ReactCompositeComponent.js:370:0)74  at ReactCompositeComponentWrapper.mountComponent(~/react/lib/ReactCompositeComponent.js:257:0)75  at Object.mountComponent(~/react/lib/ReactReconciler.js:47:0)76  at ReactDOMComponent.mountChildren(~/react/lib/ReactMultiChild.js:240:0)77  at ReactDOMComponent._createInitialChildren(~/react/lib/ReactDOMComponent.js:699:0)78  at ReactDOMComponent.mountComponent(~/react/lib/ReactDOMComponent.js:524:0)79  at Object.mountComponent(~/react/lib/ReactReconciler.js:47:0)80  at Object.updateChildren(~/react/lib/ReactChildReconciler.js:122:0)81  at ReactDOMComponent._reconcilerUpdateChildren(~/react/lib/ReactMultiChild.js:210:0)82  at ReactDOMComponent._updateChildren(~/react/lib/ReactMultiChild.js:314:0)83  at ReactDOMComponent.updateChildren(~/react/lib/ReactMultiChild.js:301:0)84  at ReactDOMComponent._updateDOMChildren(~/react/lib/ReactDOMComponent.js:942:0)85  at ReactDOMComponent.updateComponent(~/react/lib/ReactDOMComponent.js:760:0)86  at ReactDOMComponent.receiveComponent(~/react/lib/ReactDOMComponent.js:718:0)87  at Object.receiveComponent(~/react/lib/ReactReconciler.js:126:0)88  at Object.updateChildren(~/react/lib/ReactChildReconciler.js:110:0)89  at ReactDOMComponent._reconcilerUpdateChildren(~/react/lib/ReactMultiChild.js:210:0)90  at ReactDOMComponent._updateChildren(~/react/lib/ReactMultiChild.js:314:0)91  at ReactDOMComponent.updateChildren(~/react/lib/ReactMultiChild.js:301:0)92  at ReactDOMComponent._updateDOMChildren(~/react/lib/ReactDOMComponent.js:942:0)93  at ReactDOMComponent.updateComponent(~/react/lib/ReactDOMComponent.js:760:0)94  at ReactDOMComponent.receiveComponent(~/react/lib/ReactDOMComponent.js:718:0)95  at Object.receiveComponent(~/react/lib/ReactReconciler.js:126:0)96  at Object.updateChildren(~/react/lib/ReactChildReconciler.js:110:0)97  at ReactDOMComponent._reconcilerUpdateChildren(~/react/lib/ReactMultiChild.js:210:0)98  at ReactDOMComponent._updateChildren(~/react/lib/ReactMultiChild.js:314:0)99  at ReactDOMComponent.updateChildren(~/react/lib/ReactMultiChild.js:301:0)100  at ReactDOMComponent._updateDOMChildren(~/react/lib/ReactDOMComponent.js:942:0)101  at ReactDOMComponent.updateComponent(~/react/lib/ReactDOMComponent.js:760:0)102  at ReactDOMComponent.receiveComponent(~/react/lib/ReactDOMComponent.js:718:0)103  at Object.receiveComponent(~/react/lib/ReactReconciler.js:126:0)104  at ReactCompositeComponentWrapper._updateRenderedComponent(~/react/lib/ReactCompositeComponent.js:751:0)105  at ReactCompositeComponentWrapper._performComponentUpdate(~/react/lib/ReactCompositeComponent.js:721:0)106  at ReactCompositeComponentWrapper.updateComponent(~/react/lib/ReactCompositeComponent.js:642:0)`;107storiesOf('Other|SplitDiff', module).add(108  'SplitDiff',109  withInfo('Diffs two strings, split by newlines if present')(() => (110    <SplitDiff base={base} target={target} />111  ))...

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.click('text=Get Started');7  await page.click('text=Learn React');8  await page.click('text=Hello World');9  await page.click('text=Introducing JSX');10  await page.click('text=Rendering Elements');11  await page.click('text=Components and Props');12  await page.click('text=State and Lifecycle');13  await page.click('text=Handling Events');14  await page.click('text=Conditional Rendering');15  await page.click('text=Lists and Keys');16  await page.click('text=Forms');17  await page.click('text=Lifting State Up');18  await page.click('text=Composition vs Inheritance');19  await page.click('text=Thinking In React');20  await page.click('text=Accessibility');21  await page.click('text=Code-Splitting');22  await page.click('text=Context');23  await page.click('text=Error Boundaries');24  await page.click('text=Forwarding Refs');25  await page.click('text=Fragments');26  await page.click('text=Higher-Order Components');27  await page.click('text=Integrating with Other Libraries');28  await page.click('text=JSX In Depth');29  await page.click('text=Optimizing Performance');30  await page.click('text=Portals');31  await page.click('text=React Without ES6');32  await page.click('text=React Without JSX');33  await page.click('text=Reconciliation');34  await page.click('text=Refs and the DOM');35  await page.click('text=Render Props');36  await page.click('text=Static Type Checking');37  await page.click('text=Strict Mode');38  await page.click('text=Typechecking With PropTypes');39  await page.click('text=Uncontrolled Components');40  await page.click('text=Web Components');41  await page.click('text=FAQ');42  await page.click('text=AJAX and APIs');43  await page.click('text=Babel, JSX, and Build Steps');44  await page.click('text=Passing Functions to Components');45  await page.click('text=Component State');

Using AI Code Generation

1const playwright = require('playwright');2(async () => {3  for (const browserType of BROWSER) {4    const browser = await playwright[browserType].launch();5    const context = await browser.newContext();6    const page = await context.newPage();7    const { pageBinding } = await page.exposeFunction('pageBinding', () => {8    });9    await pageBinding();10    await browser.close();11  }12})();

Using AI Code Generation

1const { chromium } = require('playwright');2const { ReactDOMComponent } = require('playwright/lib/server/dom.js');3(async () => {4  const browser = await chromium.launch();5  const page = await browser.newPage();6  const input = await page.$('input[name="q"]');7  const inputComponent = ReactDOMComponent.fromNode(input);8  await inputComponent.focus();9  await page.keyboard.type('Hello World!');10  await browser.close();11})();12const { chromium } = require('playwright');13(async () => {14  const browser = await chromium.launch();15  const page = await browser.newPage();16  await page.fill('input[ng-model="yourName"]', 'John Smith');17  await page.click('input[value="Say Hello"]');18  await page.waitForSelector('h1.ng-binding', { state: 'attached' });19  console.log(await page.textContent('h1.ng-binding'));20  await browser.close();21})();22const { chromium } = require('playwright');23(async () => {24  const browser = await chromium.launch();25  const page = await browser.newPage();26  await page.click('text=Get Started');27  await page.waitForSelector('text=Hello, world!', { state: 'attached' });28  console.log(await page.textContent('h1'));29  await browser.close();30})();31const { chromium } = require('playwright');32(async () => {33  const browser = await chromium.launch();34  const page = await browser.newPage();35  await page.click('text=Get Started');36  await page.waitForSelector('text=Welcome to Your Vue.js App',

Using AI Code Generation

1const { getInternalMethods } = require('@playwright/test');2const { getInternalMethods: getInternalMethods2 } = require('@playwright/test');3const { getInternalMethods: getInternalMethods3 } = require('@playwright/test');4const { getInternalMethods: getInternalMethods4 } = require('@playwright/test');5const { getInternalMethods: getInternalMethods5 } = require('@playwright/test');6const { getInternalMethods: getInternalMethods6 } = require('@playwright/test');7const { getInternalMethods: getInternalMethods7 } = require('@playwright/test');8const { getInternalMethods: getInternalMethods8 } = require('@playwright/test');9const { getInternalMethods: getInternalMethods9 } = require('@playwright/test');10const { getInternalMethods: getInternalMethods10 } = require('@playwright/test');11const { getInternalMethods: getInternalMethods11 } = require('@playwright/test');12const { getInternalMethods: getInternalMethods12 } = require('@playwright/test');13const { getInternalMethods: getInternalMethods13 } = require('@playwright/test');14const { getInternalMethods: getInternalMethods14 } = require('@playwright/test');15const { getInternalMethods: getInternalMethods15 } = require('@playwright/test');16const { getInternalMethods: getInternalMethods16 } = require('@playwright/test');17const { getInternalMethods: getInternalMethods17 } = require('@playwright/test');18const { getInternalMethods: getInternalMethods18 } = require('@playwright/test');19const { getInternalMethods: getInternalMethods19 } = require('@playwright/test');20const { getInternalMethods: getInternalMethods20 } = require('@playwright/test');21const { getInternalMethods: getInternalMethods21 } = require('@playwright/test');22const { getInternalMethods: getInternalMethods22 } = require('@playwright/test');23const { getInternalMethods: getInternalMethods23 } = require('@playwright/test');24const { getInternalMethods: getInternalMethods24 } = require('@playwright/test');25const { getInternalMethods: getInternalMethods25 } = require('@playwright/test');26const { getInternalMethods: getInternalMethods26 } = require('@playwright/test');27const { getInternalMethods: getInternalMethods27 } = require('@playwright/test');28const { getInternalMethods: getInternalMethods28 } = require('@playwright

Using AI Code Generation

1const { ReactTestComponent } = require("react-dom/cjs/react-dom-test-utils.production.min");2const { ReactTestComponent } = require("react-dom/cjs/react-dom-test-utils.development");3const { ReactTestComponent } = require("react-dom/cjs/react-dom-test-utils.development");4const { ReactTestComponent } = require("react-dom/cjs/react-dom-test-utils.development");5const { ReactTestComponent } = require("react-dom/cjs/react-dom-test-utils.development");6const { ReactTestComponent } = require("react-dom/cjs/react-dom-test-utils.development");7const { ReactTestComponent } = require("react-dom/cjs/react-dom-test-utils.development");8const { ReactTestComponent } = require("react-dom/cjs/react-dom-test-utils.development");9const { ReactTestComponent } = require("react-dom/cjs/react-dom-test-utils.development");10const { ReactTestComponent } = require("react-dom/cjs/react-dom-test-utils.development");11const { ReactTestComponent } = require("react-dom/cjs/react-dom-test-utils.development");12const { ReactTestComponent } = require("react-dom/cjs/react-dom-test-utils.development");

Using AI Code Generation

1const ReactDOMComponent = require('react-dom/cjs/react-dom.development').ReactDOMComponent;2const playwright = require('playwright');3const { chromium } = playwright;4const { launch } = chromium;5(async () => {6  const browser = await launch();7  const context = await browser.newContext();8  const page = await context.newPage();9  const handle = await page.$('a');10  const reactComponent = ReactDOMComponent.getInstanceFromNode(handle);11  console.log(reactComponent._debugID);12  await browser.close();13})();

Using AI Code Generation

1const { createComponent } = require('@playwright/test');2const { ElementHandle } = require('playwright');3const DOMComponent = createComponent('DOMComponent', async (root, selector) => {4  const elementHandle = await root.$(selector);5  if (!elementHandle)6    throw new Error(`DOMComponent with selector "${selector}" not found`);7  return elementHandle;8});9test('test', async ({ page }) => {10  const elementHandle = await DOMComponent(page, 'input[name="q"]');11  await elementHandle.fill('Playwright');12  await elementHandle.press('Enter');13  await page.waitForNavigation();14});15const { createComponent } = require('@playwright/test');16const { ElementHandle } = require('playwright');17const DOMComponent = createComponent('DOMComponent', async (root, selector) => {18  const elementHandle = await root.$(selector);19  if (!elementHandle)20    throw new Error(`DOMComponent with selector "${selector}" not found`);21  return elementHandle;22});23test('test', async ({ page }) => {24  const elementHandle = await DOMComponent(page, 'input[name="q"]');25  await elementHandle.fill('Playwright');26  await elementHandle.press('Enter');27  await page.waitForNavigation();28});29const { createComponent } = require('@playwright/test');30const { ElementHandle } = require('playwright');31const DOMComponent = createComponent('DOMComponent', async (root, selector) => {32  const elementHandle = await root.$(selector);33  if (!elementHandle)34    throw new Error(`DOMComponent with selector "${selector}" not found`);35  return elementHandle;36});37test('test', async ({ page }) => {38  const elementHandle = await DOMComponent(page, 'input[name

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.