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How to use warnIfInvalidElement method in Playwright Internal

Best JavaScript code snippet using playwright-internal

ReactCompositeComponent.js

Source:ReactCompositeComponent.js

...31  function StatelessComponent(Component) {}32  StatelessComponent.prototype.render = function() {33    var Component = ReactInstanceMap.get(this)._currentElement.type;34    var element = Component(this.props, this.context, this.updater);35    warnIfInvalidElement(Component, element);36    return element;37  };38  function warnIfInvalidElement(Component, element) {39    if (process.env.NODE_ENV !== 'production') {40      process.env.NODE_ENV !== 'production' ? warning(element === null || element === false || ReactElement.isValidElement(element), '%s(...): A valid React element (or null) must be returned. You may have ' + 'returned undefined, an array or some other invalid object.', Component.displayName || Component.name || 'Component') : void 0;41    }42  }43  var nextMountID = 1;44  var ReactCompositeComponentMixin = {45    construct: function(element) {46      this._currentElement = element;47      this._rootNodeID = null;48      this._instance = null;49      this._nativeParent = null;50      this._nativeContainerInfo = null;51      this._pendingElement = null;52      this._pendingStateQueue = null;53      this._pendingReplaceState = false;54      this._pendingForceUpdate = false;55      this._renderedNodeType = null;56      this._renderedComponent = null;57      this._context = null;58      this._mountOrder = 0;59      this._topLevelWrapper = null;60      this._pendingCallbacks = null;61    },62    mountComponent: function(transaction, nativeParent, nativeContainerInfo, context) {63      this._context = context;64      this._mountOrder = nextMountID++;65      this._nativeParent = nativeParent;66      this._nativeContainerInfo = nativeContainerInfo;67      var publicProps = this._processProps(this._currentElement.props);68      var publicContext = this._processContext(context);69      var Component = this._currentElement.type;70      var inst;71      var renderedElement;72      if (Component.prototype && Component.prototype.isReactComponent) {73        if (process.env.NODE_ENV !== 'production') {74          ReactCurrentOwner.current = this;75          try {76            inst = new Component(publicProps, publicContext, ReactUpdateQueue);77          } finally {78            ReactCurrentOwner.current = null;79          }80        } else {81          inst = new Component(publicProps, publicContext, ReactUpdateQueue);82        }83      } else {84        if (process.env.NODE_ENV !== 'production') {85          ReactCurrentOwner.current = this;86          try {87            inst = Component(publicProps, publicContext, ReactUpdateQueue);88          } finally {89            ReactCurrentOwner.current = null;90          }91        } else {92          inst = Component(publicProps, publicContext, ReactUpdateQueue);93        }94        if (inst == null || inst.render == null) {95          renderedElement = inst;96          warnIfInvalidElement(Component, renderedElement);97          !(inst === null || inst === false || ReactElement.isValidElement(inst)) ? process.env.NODE_ENV !== 'production' ? invariant(false, '%s(...): A valid React element (or null) must be returned. You may have ' + 'returned undefined, an array or some other invalid object.', Component.displayName || Component.name || 'Component') : invariant(false) : void 0;98          inst = new StatelessComponent(Component);99        }100      }101      if (process.env.NODE_ENV !== 'production') {102        if (inst.render == null) {103          process.env.NODE_ENV !== 'production' ? warning(false, '%s(...): No `render` method found on the returned component ' + 'instance: you may have forgotten to define `render`.', Component.displayName || Component.name || 'Component') : void 0;104        }105        var propsMutated = inst.props !== publicProps;106        var componentName = Component.displayName || Component.name || 'Component';107        process.env.NODE_ENV !== 'production' ? warning(inst.props === undefined || !propsMutated, '%s(...): When calling super() in `%s`, make sure to pass ' + 'up the same props that your component\'s constructor was passed.', componentName, componentName) : void 0;108      }109      inst.props = publicProps;110      inst.context = publicContext;...

60dc34ReactCompositeComponent.js

Source:60dc34ReactCompositeComponent.js

...23}24StatelessComponent.prototype.render=function(){25var Component=ReactInstanceMap.get(this)._currentElement.type;26var element=Component(this.props,this.context,this.updater);27warnIfInvalidElement(Component,element);28return element;29};30function warnIfInvalidElement(Component,element){31if(__DEV__){32warning(33element===null||element===false||React.isValidElement(element),34'%s(...): A valid React element (or null) must be returned. You may have '+35'returned undefined, an array or some other invalid object.',36Component.displayName||Component.name||'Component');37warning(38!Component.childContextTypes,39'%s(...): childContextTypes cannot be defined on a functional component.',40Component.displayName||Component.name||'Component');41}42}43function shouldConstruct(Component){44return!!(Component.prototype&&Component.prototype.isReactComponent);45}46function isPureComponent(Component){47return!!(Component.prototype&&Component.prototype.isPureReactComponent);48}49function measureLifeCyclePerf(fn,debugID,timerType){50if(debugID===0){51return fn();52}53ReactInstrumentation.debugTool.onBeginLifeCycleTimer(debugID,timerType);54try{55return fn();56}finally{57ReactInstrumentation.debugTool.onEndLifeCycleTimer(debugID,timerType);58}59}60var nextMountID=1;61var ReactCompositeComponent={62construct:function construct(element){63this._currentElement=element;64this._rootNodeID=0;65this._compositeType=null;66this._instance=null;67this._hostParent=null;68this._hostContainerInfo=null;69this._updateBatchNumber=null;70this._pendingElement=null;71this._pendingStateQueue=null;72this._pendingReplaceState=false;73this._pendingForceUpdate=false;74this._renderedNodeType=null;75this._renderedComponent=null;76this._context=null;77this._mountOrder=0;78this._topLevelWrapper=null;79this._pendingCallbacks=null;80this._calledComponentWillUnmount=false;81if(__DEV__){82this._warnedAboutRefsInRender=false;83}84},85mountComponent:function mountComponent(86transaction,87hostParent,88hostContainerInfo,89context)90{var _this=this;91this._context=context;92this._mountOrder=nextMountID++;93this._hostParent=hostParent;94this._hostContainerInfo=hostContainerInfo;95var publicProps=this._currentElement.props;96var publicContext=this._processContext(context);97var Component=this._currentElement.type;98var updateQueue=transaction.getUpdateQueue();99var doConstruct=shouldConstruct(Component);100var inst=this._constructComponent(101doConstruct,102publicProps,103publicContext,104updateQueue);105var renderedElement;106if(!doConstruct&&(inst==null||inst.render==null)){107renderedElement=inst;108warnIfInvalidElement(Component,renderedElement);109invariant(110inst===null||111inst===false||112React.isValidElement(inst),113'%s(...): A valid React element (or null) must be returned. You may have '+114'returned undefined, an array or some other invalid object.',115Component.displayName||Component.name||'Component');116inst=new StatelessComponent(Component);117this._compositeType=CompositeTypes.StatelessFunctional;118}else{119if(isPureComponent(Component)){120this._compositeType=CompositeTypes.PureClass;121}else{122this._compositeType=CompositeTypes.ImpureClass;...

a0d667ReactCompositeComponent.js

Source:a0d667ReactCompositeComponent.js

...23}24StatelessComponent.prototype.render=function(){25var Component=ReactInstanceMap.get(this)._currentElement.type;26var element=Component(this.props,this.context,this.updater);27warnIfInvalidElement(Component,element);28return element;29};30function warnIfInvalidElement(Component,element){31if(__DEV__){32warning(33element===null||element===false||React.isValidElement(element),34'%s(...): A valid React element (or null) must be returned. You may have '+35'returned undefined, an array or some other invalid object.',36Component.displayName||Component.name||'Component');37warning(38!Component.childContextTypes,39'%s(...): childContextTypes cannot be defined on a functional component.',40Component.displayName||Component.name||'Component');41}42}43function shouldConstruct(Component){44return!!(Component.prototype&&Component.prototype.isReactComponent);45}46function isPureComponent(Component){47return!!(Component.prototype&&Component.prototype.isPureReactComponent);48}49function measureLifeCyclePerf(fn,debugID,timerType){50if(debugID===0){51return fn();52}53ReactInstrumentation.debugTool.onBeginLifeCycleTimer(debugID,timerType);54try{55return fn();56}finally{57ReactInstrumentation.debugTool.onEndLifeCycleTimer(debugID,timerType);58}59}60var nextMountID=1;61var ReactCompositeComponent={62construct:function construct(element){63this._currentElement=element;64this._rootNodeID=0;65this._compositeType=null;66this._instance=null;67this._hostParent=null;68this._hostContainerInfo=null;69this._updateBatchNumber=null;70this._pendingElement=null;71this._pendingStateQueue=null;72this._pendingReplaceState=false;73this._pendingForceUpdate=false;74this._renderedNodeType=null;75this._renderedComponent=null;76this._context=null;77this._mountOrder=0;78this._topLevelWrapper=null;79this._pendingCallbacks=null;80this._calledComponentWillUnmount=false;81if(__DEV__){82this._warnedAboutRefsInRender=false;83}84},85mountComponent:function mountComponent(86transaction,87hostParent,88hostContainerInfo,89context)90{var _this=this;91this._context=context;92this._mountOrder=nextMountID++;93this._hostParent=hostParent;94this._hostContainerInfo=hostContainerInfo;95var publicProps=this._currentElement.props;96var publicContext=this._processContext(context);97var Component=this._currentElement.type;98var updateQueue=transaction.getUpdateQueue();99var doConstruct=shouldConstruct(Component);100var inst=this._constructComponent(101doConstruct,102publicProps,103publicContext,104updateQueue);105var renderedElement;106if(!doConstruct&&(inst==null||inst.render==null)){107renderedElement=inst;108warnIfInvalidElement(Component,renderedElement);109invariant(110inst===null||111inst===false||112React.isValidElement(inst),113'%s(...): A valid React element (or null) must be returned. You may have '+114'returned undefined, an array or some other invalid object.',115Component.displayName||Component.name||'Component');116inst=new StatelessComponent(Component);117this._compositeType=CompositeTypes.StatelessFunctional;118}else{119if(isPureComponent(Component)){120this._compositeType=CompositeTypes.PureClass;121}else{122this._compositeType=CompositeTypes.ImpureClass;...

d22e1cReactCompositeComponent.js

Source:d22e1cReactCompositeComponent.js

...23}24StatelessComponent.prototype.render=function(){25var Component=ReactInstanceMap.get(this)._currentElement.type;26var element=Component(this.props,this.context,this.updater);27warnIfInvalidElement(Component,element);28return element;29};30function warnIfInvalidElement(Component,element){31if(__DEV__){32warning(33element===null||element===false||React.isValidElement(element),34'%s(...): A valid React element (or null) must be returned. You may have '+35'returned undefined, an array or some other invalid object.',36Component.displayName||Component.name||'Component');37warning(38!Component.childContextTypes,39'%s(...): childContextTypes cannot be defined on a functional component.',40Component.displayName||Component.name||'Component');41}42}43function shouldConstruct(Component){44return!!(Component.prototype&&Component.prototype.isReactComponent);45}46function isPureComponent(Component){47return!!(Component.prototype&&Component.prototype.isPureReactComponent);48}49function measureLifeCyclePerf(fn,debugID,timerType){50if(debugID===0){51return fn();52}53ReactInstrumentation.debugTool.onBeginLifeCycleTimer(debugID,timerType);54try{55return fn();56}finally{57ReactInstrumentation.debugTool.onEndLifeCycleTimer(debugID,timerType);58}59}60var nextMountID=1;61var ReactCompositeComponent={62construct:function construct(element){63this._currentElement=element;64this._rootNodeID=0;65this._compositeType=null;66this._instance=null;67this._hostParent=null;68this._hostContainerInfo=null;69this._updateBatchNumber=null;70this._pendingElement=null;71this._pendingStateQueue=null;72this._pendingReplaceState=false;73this._pendingForceUpdate=false;74this._renderedNodeType=null;75this._renderedComponent=null;76this._context=null;77this._mountOrder=0;78this._topLevelWrapper=null;79this._pendingCallbacks=null;80this._calledComponentWillUnmount=false;81if(__DEV__){82this._warnedAboutRefsInRender=false;83}84},85mountComponent:function mountComponent(86transaction,87hostParent,88hostContainerInfo,89context)90{var _this=this;91this._context=context;92this._mountOrder=nextMountID++;93this._hostParent=hostParent;94this._hostContainerInfo=hostContainerInfo;95var publicProps=this._currentElement.props;96var publicContext=this._processContext(context);97var Component=this._currentElement.type;98var updateQueue=transaction.getUpdateQueue();99var doConstruct=shouldConstruct(Component);100var inst=this._constructComponent(101doConstruct,102publicProps,103publicContext,104updateQueue);105var renderedElement;106if(!doConstruct&&(inst==null||inst.render==null)){107renderedElement=inst;108warnIfInvalidElement(Component,renderedElement);109invariant(110inst===null||111inst===false||112React.isValidElement(inst),113'%s(...): A valid React element (or null) must be returned. You may have '+114'returned undefined, an array or some other invalid object.',115Component.displayName||Component.name||'Component');116inst=new StatelessComponent(Component);117this._compositeType=CompositeTypes.StatelessFunctional;118}else{119if(isPureComponent(Component)){120this._compositeType=CompositeTypes.PureClass;121}else{122this._compositeType=CompositeTypes.ImpureClass;...

73d7a4ReactCompositeComponent.js

Source:73d7a4ReactCompositeComponent.js

...23}24StatelessComponent.prototype.render=function(){25var Component=ReactInstanceMap.get(this)._currentElement.type;26var element=Component(this.props,this.context,this.updater);27warnIfInvalidElement(Component,element);28return element;29};30function warnIfInvalidElement(Component,element){31if(__DEV__){32warning(33element===null||element===false||React.isValidElement(element),34'%s(...): A valid React element (or null) must be returned. You may have '+35'returned undefined, an array or some other invalid object.',36Component.displayName||Component.name||'Component');37warning(38!Component.childContextTypes,39'%s(...): childContextTypes cannot be defined on a functional component.',40Component.displayName||Component.name||'Component');41}42}43function shouldConstruct(Component){44return!!(Component.prototype&&Component.prototype.isReactComponent);45}46function isPureComponent(Component){47return!!(Component.prototype&&Component.prototype.isPureReactComponent);48}49function measureLifeCyclePerf(fn,debugID,timerType){50if(debugID===0){51return fn();52}53ReactInstrumentation.debugTool.onBeginLifeCycleTimer(debugID,timerType);54try{55return fn();56}finally{57ReactInstrumentation.debugTool.onEndLifeCycleTimer(debugID,timerType);58}59}60var nextMountID=1;61var ReactCompositeComponent={62construct:function construct(element){63this._currentElement=element;64this._rootNodeID=0;65this._compositeType=null;66this._instance=null;67this._hostParent=null;68this._hostContainerInfo=null;69this._updateBatchNumber=null;70this._pendingElement=null;71this._pendingStateQueue=null;72this._pendingReplaceState=false;73this._pendingForceUpdate=false;74this._renderedNodeType=null;75this._renderedComponent=null;76this._context=null;77this._mountOrder=0;78this._topLevelWrapper=null;79this._pendingCallbacks=null;80this._calledComponentWillUnmount=false;81if(__DEV__){82this._warnedAboutRefsInRender=false;83}84},85mountComponent:function mountComponent(86transaction,87hostParent,88hostContainerInfo,89context)90{var _this=this;91this._context=context;92this._mountOrder=nextMountID++;93this._hostParent=hostParent;94this._hostContainerInfo=hostContainerInfo;95var publicProps=this._currentElement.props;96var publicContext=this._processContext(context);97var Component=this._currentElement.type;98var updateQueue=transaction.getUpdateQueue();99var doConstruct=shouldConstruct(Component);100var inst=this._constructComponent(101doConstruct,102publicProps,103publicContext,104updateQueue);105var renderedElement;106if(!doConstruct&&(inst==null||inst.render==null)){107renderedElement=inst;108warnIfInvalidElement(Component,renderedElement);109invariant(110inst===null||111inst===false||112React.isValidElement(inst),113'%s(...): A valid React element (or null) must be returned. You may have '+114'returned undefined, an array or some other invalid object.',115Component.displayName||Component.name||'Component');116inst=new StatelessComponent(Component);117this._compositeType=CompositeTypes.StatelessFunctional;118}else{119if(isPureComponent(Component)){120this._compositeType=CompositeTypes.PureClass;121}else{122this._compositeType=CompositeTypes.ImpureClass;...

React3CompositeComponentWrapper.js

Source:React3CompositeComponentWrapper.js

...12ReactCompositeComponentMixinImpl.prototype = {13  ...ReactCompositeComponentMixinImpl.prototype,14  ...ReactCompositeComponent,15};16function warnIfInvalidElement(Component, element) {17  if (process.env.NODE_ENV !== 'production') {18    warning(19      element === null || element === false || ReactElement.isValidElement(element),20      '%s(...): A valid React element (or null) must be returned. You may have ' +21      'returned undefined, an array or some other invalid object.',22      Component.displayName || Component.name || 'Component'23    );24  }25}26const CompositeTypes = {27  ImpureClass: 0,28  PureClass: 1,29  StatelessFunctional: 2,30};31function shouldConstruct(Component) {32  return (!!Component.prototype && Component.prototype.isReactComponent);33}34function isPureComponent(Component) {35  return !!(Component.prototype && Component.prototype.isPureReactComponent);36}37let invokeComponentDidMountWithTimer;38if (process.env.NODE_ENV !== 'production') {39  invokeComponentDidMountWithTimer = function _invokeComponentDidMountWithTimer() {40    const publicInstance = this._instance;41    if (this._debugID !== 0) {42      ReactInstrumentation.debugTool.onBeginLifeCycleTimer(43        this._debugID,44        'componentDidMount'45      );46    }47    publicInstance.componentDidMount();48    if (this._debugID !== 0) {49      ReactInstrumentation.debugTool.onEndLifeCycleTimer(50        this._debugID,51        'componentDidMount'52      );53    }54  };55}56class StatelessComponent {57  render() {58    const componentCreator = ReactInstanceMap.get(this)._currentElement.type;59    const element = componentCreator(this.props, this.context, this.updater);60    warnIfInvalidElement(componentCreator, element);61    return element;62  }63}64class React3CompositeComponentWrapper extends ReactCompositeComponentMixinImpl {65  constructor(element, react3RendererInstance) {66    super();67    this._react3RendererInstance = react3RendererInstance;68    this.construct(element);69  }70  getHostMarkup() {71    return super.getHostNode();72  }73  construct(element) {74    super.construct(element);75    this._threeObject = null;76  }77  /**78   * @see ReactCompositeComponent.79   *80   * Cloned because it needs to set _threeObject and remove dev tool81   *82   * Call the component's `render` method and update the DOM accordingly.83   *84   * @param {ReactReconcileTransaction} transaction85   * @param context86   * @internal87   */88  _updateRenderedComponent(transaction, context) {89    let devToolRemoved;90    if (process.env.NODE_ENV !== 'production') {91      devToolRemoved = removeDevTool();92    }93    super._updateRenderedComponent(transaction, context);94    if (process.env.NODE_ENV !== 'production') {95      if (devToolRemoved) {96        removeDevTool.restore();97      }98    }99    this._threeObject = this._renderedComponent._threeObject;100  }101  _instantiateReactComponent(element, shouldHaveDebugID) {102    return this._react3RendererInstance.instantiateReactComponent(element, shouldHaveDebugID);103  }104  // TODO: prevInstance105  _replaceNodeWithMarkup(oldMarkup, nextMarkup) {106    const parentMarkup = oldMarkup.parentMarkup;107    const ownerChildrenMarkups = parentMarkup.childrenMarkup;108    const indexInParent = ownerChildrenMarkups.indexOf(oldMarkup);109    if (process.env.NODE_ENV !== 'production') {110      invariant(indexInParent !== -1, 'The node has no parent');111    } else {112      invariant(indexInParent !== -1);113    }114    const parentInternalComponent = parentMarkup.threeObject.userData.react3internalComponent;115    const originalInternalComponent = oldMarkup.threeObject.userData.react3internalComponent;116    parentInternalComponent.removeChild(originalInternalComponent, oldMarkup);117    const nextChild = nextMarkup.threeObject.userData.react3internalComponent;118    nextChild._mountIndex = indexInParent;119    parentInternalComponent.createChild(nextChild, null, nextMarkup);120  }121  // See ReactCompositeComponent.mountComponent122  /**123   * Initializes the component, renders markup, and registers event listeners.124   *125   * @param {ReactReconcileTransaction|ReactServerRenderingTransaction} transaction126   * @param {?object} hostParent127   * @param {?object} hostContainerInfo128   * @param {?object} context129   * @return {?string} Rendered markup to be inserted into the DOM.130   * @final131   * @internal132   */133  mountComponent(transaction,134    hostParent,135    hostContainerInfo,136    context) {137    this._context = context;138    this._mountOrder = this._react3RendererInstance.nextMountID++;139    this._hostParent = hostParent;140    this._hostContainerInfo = hostContainerInfo;141    const publicProps = this._currentElement.props;142    const publicContext = this._processContext(context);143    const Component = this._currentElement.type;144    const updateQueue = transaction.getUpdateQueue();145    // Initialize the public class146    const doConstruct = shouldConstruct(Component);147    let inst = this._constructComponent(148      doConstruct,149      publicProps,150      publicContext,151      updateQueue152    );153    let renderedElement;154    // Support functional components155    if (!doConstruct && (inst == null || inst.render == null)) {156      renderedElement = inst;157      warnIfInvalidElement(Component, renderedElement);158      invariant(159        inst === null ||160        inst === false ||161        ReactElement.isValidElement(inst),162        '%s(...): A valid React element (or null) must be returned. You may have ' +163        'returned undefined, an array or some other invalid object.',164        Component.displayName || Component.name || 'Component'165      );166      inst = new StatelessComponent(Component);167      this._compositeType = CompositeTypes.StatelessFunctional;168    } else if (isPureComponent(Component)) {169      this._compositeType = CompositeTypes.PureClass;170    } else {171      this._compositeType = CompositeTypes.ImpureClass;...

LifeCycle_Source.js

Source:LifeCycle_Source.js

...45  var inst = this._constructComponent(publicProps, publicContext);46  var renderedElement;47  if (!shouldConstruct(Component) && (inst == null || inst.render == null)) {48    renderedElement = inst;49    warnIfInvalidElement(Component, renderedElement);50    inst = new StatelessComponent(Component);51  }52  inst.props = publicProps;53  inst.context = publicContext;54  inst.refs = emptyObject;55  inst.updater = ReactUpdateQueue;56  this._instance = inst;57  ReactInstanceMap.set(inst, this);58  var initialState = inst.state;59  if (initialState === undefined) {60    inst.state = initialState = null;61  }62  this._pendingStateQueue = null;63  this._pendingReplaceState = false;64  this._pendingForceUpdate = false;65  var markup;66  if (inst.unstable_handleError) {67    markup = this.performInitialMountWithErrorHandling(renderedElement, nativeParent,68      nativeContainerInfo, transaction, context);69  } else {70    markup = this.performInitialMount(renderedElement, nativeParent, nativeContainerInfo, transaction,71      context);72  }73if (inst.componentDidMount) {74    transaction.getReactMountReady().enqueue(inst.componentDidMount, inst);75  }76  return markup;77}78performInitialMountWithErrorHandling: function(renderedElement, nativeParent, nativeContainerInfo,79                                               transaction, context) {80  var markup;81  var checkpoint = transaction.checkpoint();82  try {83    markup = this.performInitialMount(renderedElement, nativeParent, nativeContainerInfo, transaction,84      context);85  } catch (e) {86    transaction.rollback(checkpoint);87    this._instance.unstable_handleError(e);88    if (this._pendingStateQueue) {89      this._instance.state = this._processPendingState(this._instance.props, this._instance.context);90    }91    checkpoint = transaction.checkpoint();92    this._renderedComponent.unmountComponent(true);93    transaction.rollback(checkpoint);94    markup = this.performInitialMount(renderedElement, nativeParent, nativeContainerInfo, transaction,95      context);96  }97  return markup;98  },99performInitialMount: function(renderedElement, nativeParent, nativeContainerInfo, transaction,    context) {100  var inst = this._instance;101  if (inst.componentWillMount) {102    inst.componentWillMount();103    if (this._pendingStateQueue) {104      inst.state = this._processPendingState(inst.props, inst.context);105    }106  }107  if (renderedElement === undefined) {108    renderedElement = this._renderValidatedComponent();109  }110  this._renderedNodeType = ReactNodeTypes.getType(renderedElement);111  this._renderedComponent = this._instantiateReactComponent( renderedElement   );112  var markup = ReactReconciler.mountComponent(this._renderedComponent, transaction, nativeParent,113    nativeContainerInfo, this._processChildContext(context));114  return markup;115  },116/*****RECEIVE_PROPSï¼componentWillReceiveProps shouldComponentUpdate componentWillUpdate renderåcomponentDidUpdate****/117receiveComponent: function(nextElement, transaction, nextContext) {118  var prevElement = this._currentElement;119  var prevContext = this._context;120  this._pendingElement = null;121  this.updateComponent(transaction, prevElement, nextElement, prevContext, nextContext);122  },123updateComponent: function(transaction, prevParentElement, nextParentElement, prevUnmaskedContext, nextUnmaskedContext) {124  var inst = this._instance;125  var willReceive = false;126  var nextContext;127  var nextProps;128  if (this._context === nextUnmaskedContext) {129    nextContext = inst.context;130  } else {131    nextContext = this._processContext(nextUnmaskedContext);132    willReceive = true;133  }134  if (prevParentElement === nextParentElement) {135    nextProps = nextParentElement.props;136  } else {137    nextProps = this._processProps(nextParentElement.props);138    willReceive = true;139  }140  if (willReceive && inst.componentWillReceiveProps) {141    inst.componentWillReceiveProps(nextProps, nextContext);142  }143  var nextState = this._processPendingState(nextProps, nextContext);144  var shouldUpdate =145    this._pendingForceUpdate ||146    !inst.shouldComponentUpdate ||147    inst.shouldComponentUpdate(nextProps, nextState, nextContext);148  if (shouldUpdate) {149    this._pendingForceUpdate = false;150    this._performComponentUpdate(nextParentElement, nextProps, nextState, nextContext, transaction,151      nextUnmaskedContext);152  } else {153    this._currentElement = nextParentElement;154    this._context = nextUnmaskedContext;155    inst.props = nextProps;156    inst.state = nextState;157    inst.context = nextContext;158  }159},160_performComponentUpdate: function(nextElement, nextProps, nextState, nextContext, transaction, unmaskedContext) {161  var inst = this._instance;162  var hasComponentDidUpdate = Boolean(inst.componentDidUpdate);163  var prevProps;164  var prevState;165  var prevContext;166  if (hasComponentDidUpdate) {167    prevProps = inst.props;168    prevState = inst.state;169    prevContext = inst.context;170  }171  if (inst.componentWillUpdate) {172    inst.componentWillUpdate(nextProps, nextState, nextContext);173  }174  this._currentElement = nextElement;175  this._context = unmaskedContext;176  inst.props = nextProps;177  inst.state = nextState;178  inst.context = nextContext;179  this._updateRenderedComponent(transaction, unmaskedContext);180  if (hasComponentDidUpdate) {181    transaction.getReactMountReady().enqueue(182      inst.componentDidUpdate.bind(inst, prevProps, prevState, prevContext),183      inst184    );185  }186},187_updateRenderedComponent: function(transaction, context) {188  var prevComponentInstance = this._renderedComponent;189  var prevRenderedElement = prevComponentInstance._currentElement;190  var nextRenderedElement = this._renderValidatedComponent();191  if (shouldUpdateReactComponent(prevRenderedElement, nextRenderedElement)) {192    ReactReconciler.receiveComponent(prevComponentInstance, nextRenderedElement, transaction,193      this._processChildContext(context));194  } else {195    var oldNativeNode = ReactReconciler.getNativeNode(prevComponentInstance);196    ReactReconciler.unmountComponent(prevComponentInstance);197    this._renderedNodeType = ReactNodeTypes.getType(nextRenderedElement);198    this._renderedComponent = this._instantiateReactComponent(199      nextRenderedElement200    );201    var nextMarkup = ReactReconciler.mountComponent(this._renderedComponent, transaction,202      this._nativeParent, this._nativeContainerInfo, this._processChildContext(context));203      this._replaceNodeWithMarkup(oldNativeNode, nextMarkup);204  }205}206/*****UNMOUNTINGï¼è´è´£componentWillUnmount*****/207unmountComponent: function(safely) {208  if (!this._renderedComponent) {209    return;210  }211  var inst = this._instance;212  if (inst.componentWillUnmount) {213    if (safely) {214      var name = this.getName() + '.componentWillUnmount()';215      ReactErrorUtils.invokeGuardedCallback(name, inst.componentWillUnmount.bind(inst));216    } else {217      inst.componentWillUnmount();218    }219  }220  if (this._renderedComponent) {221    ReactReconciler.unmountComponent(this._renderedComponent, safely);222    this._renderedNodeType = null;223    this._renderedComponent = null;224    this._instance = null;225  }226  this._pendingStateQueue = null;227  this._pendingReplaceState = false;228  this._pendingForceUpdate = false;229  this._pendingCallbacks = null;230  this._pendingElement = null;231  this._context = null;232  this._rootNodeID = null;233  this._topLevelWrapper = null;234  ReactInstanceMap.remove(inst);235}236/*******æ ç¶æç»ä»¶*****/237StatelessComponent.prototype.render = function() {238  var Component = ReactInstanceMap.get(this)._currentElement.type; //    state239  var element = Component(this.props, this.context, this.updater);240  warnIfInvalidElement(Component, element);241  return element;242};243function shouldConstruct(Component) {244  return Component.prototype && Component.prototype.isReactComponent;245}246/******setState*****/247ReactComponent.prototype.setState = function(partialState, callback) {248  this.updater.enqueueSetState(this, partialState);249  if (callback) {250    this.updater.enqueueCallback(this, callback, 'setState');251  }252};253enqueueSetState: function(publicInstance, partialState) {254  var internalInstance = getInternalInstanceReadyForUpdate(...

statelessComponent.js

Source:statelessComponent.js

...3StatelessComponent.prototype.render = function() {4  var Component = ReactInstanceMap.get(this)._currentElement.type5  // æ²¡æ state ç¶æ6  var element = Component(this.props, this.context, this.updater)7  warnIfInvalidElement(Component, element)8  return element9}10function shouldConstruct(Component) {11  return Component.prototype && Component.prototype.isReactComponent...

Using AI Code Generation

1const { warnIfInvalidElement } = require('playwright/lib/server/dom.js');2const { chromium } = require('playwright');3(async () => {4  const browser = await chromium.launch();5  const context = await browser.newContext();6  const page = await context.newPage();7  const elementHandle = await page.$('input');8  const result = warnIfInvalidElement(elementHandle);9  console.log(result);10  await browser.close();11})();

Using AI Code Generation

1const { warnIfInvalidElement } = require('playwright/lib/server/dom.js');2const { ElementHandle } = require('playwright/lib/server/dom.js');3const { JSHandle } = require('playwright/lib/server/dom.js');4const elementHandle = new ElementHandle(new JSHandle(), null, null, null);5warnIfInvalidElement(elementHandle);6console.log('No error');7const { warnIfInvalidElement } = require('playwright/lib/server/dom.js');8const { ElementHandle } = require('playwright/lib/server/dom.js');9const { JSHandle } = require('playwright/lib/server/dom.js');10const elementHandle = new ElementHandle(new JSHandle(), null, null, null);11warnIfInvalidElement(elementHandle);12console.log('No error');13const { warnIfInvalidElement } = require('playwright/lib/server/dom.js');14const { ElementHandle } = require('playwright/lib/server/dom.js');15const { JSHandle } = require('playwright/lib/server/dom.js');16const elementHandle = new ElementHandle(new JSHandle(), null, null, null);17warnIfInvalidElement(elementHandle);18console.log('No error');19const { warnIfInvalidElement } = require('playwright/lib/server/dom.js');20const { ElementHandle } = require('playwright/lib/server/dom.js');21const { JSHandle } = require('playwright/lib/server/dom.js');22const elementHandle = new ElementHandle(new JSHandle(), null, null, null);23warnIfInvalidElement(elementHandle);24console.log('No error');25const { warnIfInvalidElement } = require('playwright/lib/server/dom.js');26const { ElementHandle } = require('playwright/lib/server/dom.js');27const { JSHandle } = require('playwright/lib/server/dom.js');28const elementHandle = new ElementHandle(new JSHandle(), null, null, null);29warnIfInvalidElement(elementHandle);30console.log('No error');

Using AI Code Generation

1const { warnIfInvalidElement } = require('playwright/lib/server/chromium/crPage');2const { Page } = require('playwright/lib/server/chromium/crPage');3const { ElementHandle } = require('playwright/lib/server/chromium/crElementHandle');4warnIfInvalidElement(new ElementHandle(new Page(null, null), null, 'test'));5warnIfInvalidElement(new ElementHandle(new Page(null, null), null, 'test'));6warnIfInvalidElement(new ElementHandle(new Page(null, null), null, 'test'));7warnIfInvalidElement(new ElementHandle(new Page(null, null), null, 'test'));8warnIfInvalidElement(new ElementHandle(new Page(null, null), null, 'test'));9warnIfInvalidElement(new ElementHandle(new Page(null, null), null, 'test'));10warnIfInvalidElement(new ElementHandle(new Page(null, null), null, 'test'));11warnIfInvalidElement(new ElementHandle(new Page(null, null), null, 'test'));12warnIfInvalidElement(new ElementHandle(new Page(null, null), null, 'test'));13warnIfInvalidElement(new ElementHandle(new Page(null, null), null, 'test'));14warnIfInvalidElement(new ElementHandle(new Page(null, null), null, 'test'));15warnIfInvalidElement(new ElementHandle(new Page(null, null), null, 'test'));16warnIfInvalidElement(new ElementHandle(new Page(null, null), null, 'test'));

Using AI Code Generation

1const { warnIfInvalidElement } = require('@playwright/test/lib/utils/elementHandler');2const { test } = require('@playwright/test');3test('test', async ({ page }) => {4  const element = await page.$('input');5  warnIfInvalidElement(element);6});7{8  "scripts": {9  },10  "dependencies": {11  }12}

Using AI Code Generation

1const { warnIfInvalidElement } = require('@playwright/test/lib/server/dom');2const { test, expect } = require('@playwright/test');3test('warnIfInvalidElement', async ({ page }) => {4  await page.setContent('<div>Test</div>');5  const element = await page.$('div');6  await expect(warnIfInvalidElement(element)).toBeUndefined();7});8const { warnIfInvalidElement } = require('@playwright/test/lib/server/dom');9const { test, expect } = require('@playwright/test');10test('warnIfInvalidElement', async ({ page }) => {11  await page.setContent('<div>Test</div>');12  const element = await page.$('div');13  await expect(element).toBeValidElement();14});

Using AI Code Generation

1const { warnIfInvalidElement } = require('playwright/lib/internal/elementHandleDispatcher');2const { ElementHandle } = require('playwright/lib/elementHandle');3const { JSHandle } = require('playwright/lib/jsHandle');4const elementHandle = new ElementHandle(new JSHandle(), new JSHandle(), new JSHandle(), () => Promise.resolve());5warnIfInvalidElement(elementHandle);6const { isElementHandle } = require('playwright/lib/internal/isElementHandle');7const { ElementHandle } = require('playwright/lib/elementHandle');8const { JSHandle } = require('playwright/lib/jsHandle');9const elementHandle = new ElementHandle(new JSHandle(), new JSHandle(), new JSHandle(), () => Promise.resolve());10console.log(isElementHandle(elementHandle));11const { getBoundingBoxCenter } = require('playwright/lib/internal/geometry');12const { ElementHandle } = require('playwright/lib/elementHandle');13const { JSHandle } = require('playwright/lib/jsHandle');14const elementHandle = new ElementHandle(new JSHandle(), new JSHandle(), new JSHandle(), () => Promise.resolve());15const boundingBox = { x: 10, y: 20, width: 30, height: 40 };16console.log(getBoundingBoxCenter(elementHandle, boundingBox));

Using AI Code Generation

1const { InternalApi } = require('playwright');2const internalApi = new InternalApi();3internalApi.warnIfInvalidElement({});4const { InternalApi } = require('playwright');5const internalApi = new InternalApi();6internalApi.warnIfInvalidElement({});7const { InternalApi } = require('playwright');8const internalApi = new InternalApi();9internalApi.warnIfInvalidElement({});10const { InternalApi } = require('playwright');11const internalApi = new InternalApi();12internalApi.warnIfInvalidElement({});13const { InternalApi } = require('playwright');14const internalApi = new InternalApi();15internalApi.warnIfInvalidElement({});16const { InternalApi } = require('playwright');17const internalApi = new InternalApi();18internalApi.warnIfInvalidElement({});19const { InternalApi } = require('playwright');20const internalApi = new InternalApi();21internalApi.warnIfInvalidElement({});22const { InternalApi } = require('playwright');23const internalApi = new InternalApi();24internalApi.warnIfInvalidElement({});25const { InternalApi } = require('playwright');26const internalApi = new InternalApi();27internalApi.warnIfInvalidElement({});28const { InternalApi } = require('playwright');29const internalApi = new InternalApi();30internalApi.warnIfInvalidElement({});31const { InternalApi } = require('playwright');32const internalApi = new InternalApi();33internalApi.warnIfInvalidElement({});34const { InternalApi } = require('playwright');35const internalApi = new InternalApi();36internalApi.warnIfInvalidElement({});

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.