How to use warnIfInvalidElement method in Playwright Internal

Best JavaScript code snippet using playwright-internal

ReactCompositeComponent.js

Source:ReactCompositeComponent.js Github

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...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;...

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60dc34ReactCompositeComponent.js

Source:60dc34ReactCompositeComponent.js Github

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...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;...

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a0d667ReactCompositeComponent.js

Source:a0d667ReactCompositeComponent.js Github

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...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;...

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d22e1cReactCompositeComponent.js

Source:d22e1cReactCompositeComponent.js Github

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...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;...

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73d7a4ReactCompositeComponent.js

Source:73d7a4ReactCompositeComponent.js Github

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...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;...

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React3CompositeComponentWrapper.js

Source:React3CompositeComponentWrapper.js Github

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...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;...

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LifeCycle_Source.js

Source:LifeCycle_Source.js Github

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...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_PROPS：componentWillReceiveProps shouldComponentUpdate componentWillUpdate render和componentDidUpdate****/​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/​*****UNMOUNTING：负责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/​*******无状态组件*****/​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(...

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statelessComponent.js

Source:statelessComponent.js Github

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...3StatelessComponent.prototype.render = function() {4 var Component = ReactInstanceMap.get(this)._currentElement.type5 /​/​ 没有 state 状态6 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...

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Using AI Code Generation

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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})();

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Using AI Code Generation

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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');

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Using AI Code Generation

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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'));

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Using AI Code Generation

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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}

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Using AI Code Generation

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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});

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Using AI Code Generation

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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));

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Using AI Code Generation

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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({});

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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:

  1. 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.
  2. 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.
  3. 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.
  4. 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.
  5. Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
  6. 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.
  7. 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.
  8. 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.
  9. 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.
  10. 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.
  11. 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.
  12. Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.

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