How to use enqueueUpdate method in Playwright Internal

Best JavaScript code snippet using playwright-internal

ReactUpdateQueue.js

Source:ReactUpdateQueue.js Github

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...14var ReactInstrumentation = require('ReactInstrumentation');15var ReactUpdates = require('ReactUpdates');16var invariant = require('invariant');17var warning = require('warning');18function enqueueUpdate(internalInstance) {19 ReactUpdates.enqueueUpdate(internalInstance);20}21function formatUnexpectedArgument(arg) {22 var type = typeof arg;23 if (type !== 'object') {24 return type;25 }26 var displayName = (arg.constructor && arg.constructor.name) || type;27 var keys = Object.keys(arg);28 if (keys.length > 0 && keys.length < 20) {29 return `${displayName} (keys: ${keys.join(', ')})`;30 }31 return displayName;32}33function getInternalInstanceReadyForUpdate(publicInstance, callerName) {34 var internalInstance = ReactInstanceMap.get(publicInstance);35 if (!internalInstance) {36 if (__DEV__) {37 var ctor = publicInstance.constructor;38 // Only warn when we have a callerName. Otherwise we should be silent.39 // We're probably calling from enqueueCallback. We don't want to warn40 // there because we already warned for the corresponding lifecycle method.41 warning(42 !callerName,43 '%s(...): Can only update a mounted or mounting component. ' +44 'This usually means you called %s() on an unmounted component. ' +45 'This is a no-op. Please check the code for the %s component.',46 callerName,47 callerName,48 (ctor && (ctor.displayName || ctor.name)) || 'ReactClass',49 );50 }51 return null;52 }53 if (__DEV__) {54 warning(55 ReactCurrentOwner.current == null,56 '%s(...): Cannot update during an existing state transition (such as ' +57 "within `render` or another component's constructor). Render methods " +58 'should be a pure function of props and state; constructor ' +59 'side-effects are an anti-pattern, but can be moved to ' +60 '`componentWillMount`.',61 callerName,62 );63 }64 return internalInstance;65}66/**67 * ReactUpdateQueue allows for state updates to be scheduled into a later68 * reconciliation step.69 */70var ReactUpdateQueue = {71 /**72 * Checks whether or not this composite component is mounted.73 * @param {ReactClass} publicInstance The instance we want to test.74 * @return {boolean} True if mounted, false otherwise.75 * @protected76 * @final77 */78 isMounted: function(publicInstance) {79 if (__DEV__) {80 var owner = ReactCurrentOwner.current;81 if (owner !== null) {82 warning(83 owner._warnedAboutRefsInRender,84 '%s is accessing isMounted inside its render() function. ' +85 'render() should be a pure function of props and state. It should ' +86 'never access something that requires stale data from the previous ' +87 'render, such as refs. Move this logic to componentDidMount and ' +88 'componentDidUpdate instead.',89 owner.getName() || 'A component',90 );91 owner._warnedAboutRefsInRender = true;92 }93 }94 var internalInstance = ReactInstanceMap.get(publicInstance);95 if (internalInstance) {96 // During componentWillMount and render this will still be null but after97 // that will always render to something. At least for now. So we can use98 // this hack.99 return !!internalInstance._renderedComponent;100 } else {101 return false;102 }103 },104 /**105 * Enqueue a callback that will be executed after all the pending updates106 * have processed.107 *108 * @param {ReactClass} publicInstance The instance to use as `this` context.109 * @param {?function} callback Called after state is updated.110 * @param {string} callerName Name of the calling function in the public API.111 * @internal112 */113 enqueueCallback: function(publicInstance, callback, callerName) {114 ReactUpdateQueue.validateCallback(callback, callerName);115 var internalInstance = getInternalInstanceReadyForUpdate(publicInstance);116 // Previously we would throw an error if we didn't have an internal117 // instance. Since we want to make it a no-op instead, we mirror the same118 // behavior we have in other enqueue* methods.119 // We also need to ignore callbacks in componentWillMount. See120 // enqueueUpdates.121 if (!internalInstance) {122 return null;123 }124 if (internalInstance._pendingCallbacks) {125 internalInstance._pendingCallbacks.push(callback);126 } else {127 internalInstance._pendingCallbacks = [callback];128 }129 // TODO: The callback here is ignored when setState is called from130 // componentWillMount. Either fix it or disallow doing so completely in131 // favor of getInitialState. Alternatively, we can disallow132 // componentWillMount during server-side rendering.133 enqueueUpdate(internalInstance);134 },135 enqueueCallbackInternal: function(internalInstance, callback) {136 if (internalInstance._pendingCallbacks) {137 internalInstance._pendingCallbacks.push(callback);138 } else {139 internalInstance._pendingCallbacks = [callback];140 }141 enqueueUpdate(internalInstance);142 },143 /**144 * Forces an update. This should only be invoked when it is known with145 * certainty that we are **not** in a DOM transaction.146 *147 * You may want to call this when you know that some deeper aspect of the148 * component's state has changed but `setState` was not called.149 *150 * This will not invoke `shouldComponentUpdate`, but it will invoke151 * `componentWillUpdate` and `componentDidUpdate`.152 *153 * @param {ReactClass} publicInstance The instance that should rerender.154 * @internal155 */156 enqueueForceUpdate: function(publicInstance) {157 var internalInstance = getInternalInstanceReadyForUpdate(158 publicInstance,159 'forceUpdate',160 );161 if (!internalInstance) {162 return;163 }164 internalInstance._pendingForceUpdate = true;165 enqueueUpdate(internalInstance);166 },167 /**168 * Replaces all of the state. Always use this or `setState` to mutate state.169 * You should treat `this.state` as immutable.170 *171 * There is no guarantee that `this.state` will be immediately updated, so172 * accessing `this.state` after calling this method may return the old value.173 *174 * @param {ReactClass} publicInstance The instance that should rerender.175 * @param {object} completeState Next state.176 * @internal177 */178 enqueueReplaceState: function(publicInstance, completeState, callback) {179 var internalInstance = getInternalInstanceReadyForUpdate(180 publicInstance,181 'replaceState',182 );183 if (!internalInstance) {184 return;185 }186 internalInstance._pendingStateQueue = [completeState];187 internalInstance._pendingReplaceState = true;188 // Future-proof 15.5189 if (callback !== undefined && callback !== null) {190 ReactUpdateQueue.validateCallback(callback, 'replaceState');191 if (internalInstance._pendingCallbacks) {192 internalInstance._pendingCallbacks.push(callback);193 } else {194 internalInstance._pendingCallbacks = [callback];195 }196 }197 enqueueUpdate(internalInstance);198 },199 /**200 * Sets a subset of the state. This only exists because _pendingState is201 * internal. This provides a merging strategy that is not available to deep202 * properties which is confusing. TODO: Expose pendingState or don't use it203 * during the merge.204 *205 * @param {ReactClass} publicInstance The instance that should rerender.206 * @param {object} partialState Next partial state to be merged with state.207 * @internal208 */209 enqueueSetState: function(publicInstance, partialState) {210 if (__DEV__) {211 ReactInstrumentation.debugTool.onSetState();212 warning(213 partialState != null,214 'setState(...): You passed an undefined or null state object; ' +215 'instead, use forceUpdate().',216 );217 }218 var internalInstance = getInternalInstanceReadyForUpdate(219 publicInstance,220 'setState',221 );222 if (!internalInstance) {223 return;224 }225 var queue =226 internalInstance._pendingStateQueue ||227 (internalInstance._pendingStateQueue = []);228 queue.push(partialState);229 enqueueUpdate(internalInstance);230 },231 enqueueElementInternal: function(internalInstance, nextElement, nextContext) {232 internalInstance._pendingElement = nextElement;233 // TODO: introduce _pendingContext instead of setting it directly.234 internalInstance._context = nextContext;235 enqueueUpdate(internalInstance);236 },237 validateCallback: function(callback, callerName) {238 invariant(239 !callback || typeof callback === 'function',240 '%s(...): Expected the last optional `callback` argument to be a ' +241 'function. Instead received: %s.',242 callerName,243 formatUnexpectedArgument(callback),244 );245 },246};...

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76d678197db2ab5a25d520672612d8d438b61bReactUpdateQueue.js

Source:76d678197db2ab5a25d520672612d8d438b61bReactUpdateQueue.js Github

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...8 var warnOnInvalidCallback = function warnOnInvalidCallback(callback, callerName) {9 warning(callback === null || typeof callback === 'function', '%s(...): Expected the last optional `callback` argument to be a ' + 'function. Instead received: %s.', callerName, '' + callback);10 };11}12function enqueueUpdate(internalInstance) {13 ReactUpdates.enqueueUpdate(internalInstance);14}15function getInternalInstanceReadyForUpdate(publicInstance, callerName) {16 var internalInstance = ReactInstanceMap.get(publicInstance);17 if (!internalInstance) {18 if (__DEV__) {19 var ctor = publicInstance.constructor;20 warning(false, 'Can only update a mounted or mounting component. This usually means ' + 'you called setState, replaceState, or forceUpdate on an unmounted ' + 'component. This is a no-op.\n\nPlease check the code for the ' + '%s component.', ctor && (ctor.displayName || ctor.name) || 'ReactClass');21 }22 return null;23 }24 if (__DEV__) {25 warning(ReactCurrentOwner.current == null, 'Cannot update during an existing state transition (such as within ' + "`render` or another component's constructor). Render methods should " + 'be a pure function of props and state; constructor side-effects are ' + 'an anti-pattern, but can be moved to `componentWillMount`.');26 }27 return internalInstance;28}29var ReactUpdateQueue = {30 isMounted: function isMounted(publicInstance) {31 if (__DEV__) {32 var owner = ReactCurrentOwner.current;33 if (owner !== null) {34 warning(owner._warnedAboutRefsInRender, '%s is accessing isMounted inside its render() function. ' + 'render() should be a pure function of props and state. It should ' + 'never access something that requires stale data from the previous ' + 'render, such as refs. Move this logic to componentDidMount and ' + 'componentDidUpdate instead.', owner.getName() || 'A component');35 owner._warnedAboutRefsInRender = true;36 }37 }38 var internalInstance = ReactInstanceMap.get(publicInstance);39 if (internalInstance) {40 return !!internalInstance._renderedComponent;41 } else {42 return false;43 }44 },45 enqueueCallbackInternal: function enqueueCallbackInternal(internalInstance, callback) {46 if (internalInstance._pendingCallbacks) {47 internalInstance._pendingCallbacks.push(callback);48 } else {49 internalInstance._pendingCallbacks = [callback];50 }51 enqueueUpdate(internalInstance);52 },53 enqueueForceUpdate: function enqueueForceUpdate(publicInstance, callback, callerName) {54 var internalInstance = getInternalInstanceReadyForUpdate(publicInstance);55 if (!internalInstance) {56 return;57 }58 callback = callback === undefined ? null : callback;59 if (callback !== null) {60 if (__DEV__) {61 warnOnInvalidCallback(callback, callerName);62 }63 if (internalInstance._pendingCallbacks) {64 internalInstance._pendingCallbacks.push(callback);65 } else {66 internalInstance._pendingCallbacks = [callback];67 }68 }69 internalInstance._pendingForceUpdate = true;70 enqueueUpdate(internalInstance);71 },72 enqueueReplaceState: function enqueueReplaceState(publicInstance, completeState, callback, callerName) {73 var internalInstance = getInternalInstanceReadyForUpdate(publicInstance);74 if (!internalInstance) {75 return;76 }77 internalInstance._pendingStateQueue = [completeState];78 internalInstance._pendingReplaceState = true;79 callback = callback === undefined ? null : callback;80 if (callback !== null) {81 if (__DEV__) {82 warnOnInvalidCallback(callback, callerName);83 }84 if (internalInstance._pendingCallbacks) {85 internalInstance._pendingCallbacks.push(callback);86 } else {87 internalInstance._pendingCallbacks = [callback];88 }89 }90 enqueueUpdate(internalInstance);91 },92 enqueueSetState: function enqueueSetState(publicInstance, partialState, callback, callerName) {93 if (__DEV__) {94 ReactInstrumentation.debugTool.onSetState();95 warning(partialState != null, 'setState(...): You passed an undefined or null state object; ' + 'instead, use forceUpdate().');96 }97 var internalInstance = getInternalInstanceReadyForUpdate(publicInstance);98 if (!internalInstance) {99 return;100 }101 var queue = internalInstance._pendingStateQueue || (internalInstance._pendingStateQueue = []);102 queue.push(partialState);103 callback = callback === undefined ? null : callback;104 if (callback !== null) {105 if (__DEV__) {106 warnOnInvalidCallback(callback, callerName);107 }108 if (internalInstance._pendingCallbacks) {109 internalInstance._pendingCallbacks.push(callback);110 } else {111 internalInstance._pendingCallbacks = [callback];112 }113 }114 enqueueUpdate(internalInstance);115 },116 enqueueElementInternal: function enqueueElementInternal(internalInstance, nextElement, nextContext) {117 internalInstance._pendingElement = nextElement;118 internalInstance._context = nextContext;119 enqueueUpdate(internalInstance);120 }121};...

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926d1dReactUpdateQueue.js

Source:926d1dReactUpdateQueue.js Github

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...8 var warnOnInvalidCallback = function warnOnInvalidCallback(callback, callerName) {9 warning(callback === null || typeof callback === 'function', '%s(...): Expected the last optional `callback` argument to be a ' + 'function. Instead received: %s.', callerName, String(callback));10 };11}12function enqueueUpdate(internalInstance) {13 ReactUpdates.enqueueUpdate(internalInstance);14}15function getInternalInstanceReadyForUpdate(publicInstance, callerName) {16 var internalInstance = ReactInstanceMap.get(publicInstance);17 if (!internalInstance) {18 if (__DEV__) {19 var ctor = publicInstance.constructor;20 warning(false, 'Can only update a mounted or mounting component. This usually means ' + 'you called setState, replaceState, or forceUpdate on an unmounted ' + 'component. This is a no-op.\n\nPlease check the code for the ' + '%s component.', ctor && (ctor.displayName || ctor.name) || 'ReactClass');21 }22 return null;23 }24 if (__DEV__) {25 warning(ReactCurrentOwner.current == null, 'Cannot update during an existing state transition (such as within ' + '`render` or another component\'s constructor). Render methods should ' + 'be a pure function of props and state; constructor side-effects are ' + 'an anti-pattern, but can be moved to `componentWillMount`.');26 }27 return internalInstance;28}29var ReactUpdateQueue = {30 isMounted: function isMounted(publicInstance) {31 if (__DEV__) {32 var owner = ReactCurrentOwner.current;33 if (owner !== null) {34 warning(owner._warnedAboutRefsInRender, '%s is accessing isMounted inside its render() function. ' + 'render() should be a pure function of props and state. It should ' + 'never access something that requires stale data from the previous ' + 'render, such as refs. Move this logic to componentDidMount and ' + 'componentDidUpdate instead.', owner.getName() || 'A component');35 owner._warnedAboutRefsInRender = true;36 }37 }38 var internalInstance = ReactInstanceMap.get(publicInstance);39 if (internalInstance) {40 return !!internalInstance._renderedComponent;41 } else {42 return false;43 }44 },45 enqueueCallbackInternal: function enqueueCallbackInternal(internalInstance, callback) {46 if (internalInstance._pendingCallbacks) {47 internalInstance._pendingCallbacks.push(callback);48 } else {49 internalInstance._pendingCallbacks = [callback];50 }51 enqueueUpdate(internalInstance);52 },53 enqueueForceUpdate: function enqueueForceUpdate(publicInstance, callback, callerName) {54 var internalInstance = getInternalInstanceReadyForUpdate(publicInstance);55 if (!internalInstance) {56 return;57 }58 if (callback) {59 callback = callback === undefined ? null : callback;60 if (__DEV__) {61 warnOnInvalidCallback(callback, callerName);62 }63 if (internalInstance._pendingCallbacks) {64 internalInstance._pendingCallbacks.push(callback);65 } else {66 internalInstance._pendingCallbacks = [callback];67 }68 }69 internalInstance._pendingForceUpdate = true;70 enqueueUpdate(internalInstance);71 },72 enqueueReplaceState: function enqueueReplaceState(publicInstance, completeState, callback, callerName) {73 var internalInstance = getInternalInstanceReadyForUpdate(publicInstance);74 if (!internalInstance) {75 return;76 }77 internalInstance._pendingStateQueue = [completeState];78 internalInstance._pendingReplaceState = true;79 if (callback) {80 callback = callback === undefined ? null : callback;81 if (__DEV__) {82 warnOnInvalidCallback(callback, callerName);83 }84 if (internalInstance._pendingCallbacks) {85 internalInstance._pendingCallbacks.push(callback);86 } else {87 internalInstance._pendingCallbacks = [callback];88 }89 }90 enqueueUpdate(internalInstance);91 },92 enqueueSetState: function enqueueSetState(publicInstance, partialState, callback, callerName) {93 if (__DEV__) {94 ReactInstrumentation.debugTool.onSetState();95 warning(partialState != null, 'setState(...): You passed an undefined or null state object; ' + 'instead, use forceUpdate().');96 }97 var internalInstance = getInternalInstanceReadyForUpdate(publicInstance);98 if (!internalInstance) {99 return;100 }101 var queue = internalInstance._pendingStateQueue || (internalInstance._pendingStateQueue = []);102 queue.push(partialState);103 if (callback) {104 callback = callback === undefined ? null : callback;105 if (__DEV__) {106 warnOnInvalidCallback(callback, callerName);107 }108 if (internalInstance._pendingCallbacks) {109 internalInstance._pendingCallbacks.push(callback);110 } else {111 internalInstance._pendingCallbacks = [callback];112 }113 }114 enqueueUpdate(internalInstance);115 },116 enqueueElementInternal: function enqueueElementInternal(internalInstance, nextElement, nextContext) {117 internalInstance._pendingElement = nextElement;118 internalInstance._context = nextContext;119 enqueueUpdate(internalInstance);120 }121};...

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42896aReactUpdateQueue.js

Source:42896aReactUpdateQueue.js Github

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...4var ReactInstrumentation=require('ReactInstrumentation');5var ReactUpdates=require('ReactUpdates');6var invariant=require('fbjs/lib/invariant');7var warning=require('fbjs/lib/warning');8function enqueueUpdate(internalInstance){9ReactUpdates.enqueueUpdate(internalInstance);10}11function formatUnexpectedArgument(arg){12var type=typeof arg;13if(type!=='object'){14return type;15}16var displayName=arg.constructor&&arg.constructor.name||type;17var keys=Object.keys(arg);18if(keys.length>0&&keys.length<20){19return displayName+' (keys: '+keys.join(', ')+')';20}21return displayName;22}23function getInternalInstanceReadyForUpdate(publicInstance,callerName){24var internalInstance=ReactInstanceMap.get(publicInstance);25if(!internalInstance){26if(__DEV__){27var ctor=publicInstance.constructor;28warning(29!callerName,30'%s(...): Can only update a mounted or mounting component. '+31'This usually means you called %s() on an unmounted component. '+32'This is a no-op. Please check the code for the %s component.',33callerName,34callerName,35ctor&&(ctor.displayName||ctor.name)||'ReactClass');36}37return null;38}39if(__DEV__){40warning(41ReactCurrentOwner.current==null,42'%s(...): Cannot update during an existing state transition (such as '+43'within `render` or another component\'s constructor). Render methods '+44'should be a pure function of props and state; constructor '+45'side-effects are an anti-pattern, but can be moved to '+46'`componentWillMount`.',47callerName);48}49return internalInstance;50}51var ReactUpdateQueue={52isMounted:function isMounted(publicInstance){53if(__DEV__){54var owner=ReactCurrentOwner.current;55if(owner!==null){56warning(57owner._warnedAboutRefsInRender,58'%s is accessing isMounted inside its render() function. '+59'render() should be a pure function of props and state. It should '+60'never access something that requires stale data from the previous '+61'render, such as refs. Move this logic to componentDidMount and '+62'componentDidUpdate instead.',63owner.getName()||'A component');64owner._warnedAboutRefsInRender=true;65}66}67var internalInstance=ReactInstanceMap.get(publicInstance);68if(internalInstance){69return!!internalInstance._renderedComponent;70}else{71return false;72}73},74enqueueCallback:function enqueueCallback(publicInstance,callback,callerName){75ReactUpdateQueue.validateCallback(callback,callerName);76var internalInstance=getInternalInstanceReadyForUpdate(publicInstance);77if(!internalInstance){78return null;79}80if(internalInstance._pendingCallbacks){81internalInstance._pendingCallbacks.push(callback);82}else{83internalInstance._pendingCallbacks=[callback];84}85enqueueUpdate(internalInstance);86},87enqueueCallbackInternal:function enqueueCallbackInternal(internalInstance,callback){88if(internalInstance._pendingCallbacks){89internalInstance._pendingCallbacks.push(callback);90}else{91internalInstance._pendingCallbacks=[callback];92}93enqueueUpdate(internalInstance);94},95enqueueForceUpdate:function enqueueForceUpdate(publicInstance){96var internalInstance=getInternalInstanceReadyForUpdate(97publicInstance,98'forceUpdate');99if(!internalInstance){100return;101}102internalInstance._pendingForceUpdate=true;103enqueueUpdate(internalInstance);104},105enqueueReplaceState:function enqueueReplaceState(publicInstance,completeState){106var internalInstance=getInternalInstanceReadyForUpdate(107publicInstance,108'replaceState');109if(!internalInstance){110return;111}112internalInstance._pendingStateQueue=[completeState];113internalInstance._pendingReplaceState=true;114enqueueUpdate(internalInstance);115},116enqueueSetState:function enqueueSetState(publicInstance,partialState){117if(__DEV__){118ReactInstrumentation.debugTool.onSetState();119warning(120partialState!=null,121'setState(...): You passed an undefined or null state object; '+122'instead, use forceUpdate().');123}124var internalInstance=getInternalInstanceReadyForUpdate(125publicInstance,126'setState');127if(!internalInstance){128return;129}130var queue=131internalInstance._pendingStateQueue||(132internalInstance._pendingStateQueue=[]);133queue.push(partialState);134enqueueUpdate(internalInstance);135},136enqueueElementInternal:function enqueueElementInternal(internalInstance,nextElement,nextContext){137internalInstance._pendingElement=nextElement;138internalInstance._context=nextContext;139enqueueUpdate(internalInstance);140},141validateCallback:function validateCallback(callback,callerName){142invariant(143!callback||typeof callback==='function',144'%s(...): Expected the last optional `callback` argument to be a '+145'function. Instead received: %s.',146callerName,147formatUnexpectedArgument(callback));148}};...

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index.js

Source:index.js Github

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...20 21 if (isFunction(callback)) {22 update.callback = callback;23 }24 enqueueUpdate(fiber, update);25 scheduleWork(fiber);26 },27 enqueueReplaceState(inst, payload, callback) {28 const fiber = getInstance(inst);29 const currentTime = requestCurrentTime();30 const suspenseConfig = requestCurrentSuspenseConfig();31 const expirationTime = computeExpirationForFiber(32 currentTime,33 fiber,34 suspenseConfig,35 );36 const update = createUpdate(expirationTime, suspenseConfig);37 update.tag = ReplaceState;38 update.payload = payload;39 if (callback !== undefined && callback !== null) {40 if (__DEV__) {41 warnOnInvalidCallback(callback, 'replaceState');42 }43 update.callback = callback;44 }45 if (revertPassiveEffectsChange) {46 flushPassiveEffects();47 }48 enqueueUpdate(fiber, update);49 scheduleWork(fiber, expirationTime);50 },51 enqueueForceUpdate(52 instance, 53 callback54 ) {55 const fiber56 const update = createUpdate(expirationTime, suspenseConfig);57 update.tag = FORCE_UPDATE;58 if (isFunction(callback)) {59 update.callback = callback;60 }61 enqueueUpdate(fiber, update);62 scheduleWork(fiber);63 },64};65// function appendUpdateToQueue (66// queue,67// update,68// ) {69 70// if (queue.lastUpdate === null) {71// queue.firstUpdate = queue.lastUpdate = update;72// } else {73// queue.lastUpdate.next = update;74// queue.lastUpdate = update;75// }...

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queue.js

Source:queue.js Github

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...19 this.baseState = null; // 原状态20 this.firstUpdate = null; // 第一个更新21 this.lastUpdate = null; // 最后一个更新22 }23 enqueueUpdate(update) {24 if (this.firstUpdate == null) {25 this.firstUpdate = this.lastUpdate = update;26 } else {27 this.lastUpdate.nextUpload = update;28 this.lastUpdate = update;29 }30 }31 // 获取老状态，然后遍历整个链表，进行更新32 forceUpdate() {33 let currentState = this.baseState || {};34 let currentUpdate = this.firstUpdate;35 while (currentUpdate) {36 let nextState =37 typeof currentUpdate.payload == "function"38 ? currentUpdate.payload(currentState)39 : currentUpdate.payload;40 currentState = { ...currentState, ...nextState };41 currentUpdate = currentUpdate.nextUpload;42 }43 this.firstUpdate = this.lastUpdate = null;44 this.baseState = currentState;45 return currentState;46 }47}48// 计数{number: 0}49// setState({number: 1})50// setState((state) => ({number: state.number + 1}))51let queue = new UpdateQueue();52queue.enqueueUpdate(new Update({ name: "hello" }));53queue.enqueueUpdate(new Update({ number: 0 }));54queue.enqueueUpdate(new Update((state) => ({ number: state.number + 1 })));55queue.enqueueUpdate(new Update((state) => ({ number: state.number + 1 })));56queue.forceUpdate();57console.log(queue.baseState);58console.log(queue.firstUpdate);59console.log(queue.lastUpdate);60let root = {61 key: "a1",62 children: [63 {64 key: "b1",65 children: [66 {67 key: "c1",68 children: [],69 },...

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classComponentUpdater.js

Source:classComponentUpdater.js Github

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...17 18 if (isFunction(callback)) {19 update.callback = callback;20 }21 enqueueUpdate(fiber, update);22 scheduleWork(fiber);23 },24 enqueueReplaceState(25 instance, 26 payload, 27 callback28 ) {29 const fiber = getFiber(instance);30 const update = createUpdate();31 update.tag = REPLACE_STATE;32 update.payload = payload;33 if (isFunction(callback)) {34 update.callback = callback;35 }36 enqueueUpdate(fiber, update);37 scheduleWork(fiber);38 },39 enqueueForceUpdate(40 instance, 41 callback42 ) {43 const fiber = getFiber(instance);44 const update = createUpdate();45 46 update.tag = FORCE_UPDATE;47 if (isFunction(callback)) {48 update.callback = callback;49 }50 enqueueUpdate(fiber, update);51 scheduleWork(fiber, expirationTime);52 },...

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updateQueue.js

Source:updateQueue.js Github

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...9 this.baseState = null;10 this.firstUpdate = null;11 this.lastUpdate = null;12 }13 enqueueUpdate(update){14 if(!this.firstUpdate){15 this.firstUpdate = this.lastUpdate = update;16 }else{17 this.lastUpdate.nextUpdate = update;18 this.lastUpdate = update;19 }20 }21 forceUpdate(){22 let currentState = this.baseState || {};23 let currentUpdate = this.firstUpdate;24 while(currentUpdate){25 let nextState = typeof currentUpdate.payload === 'function'?currentUpdate.payload(currentState):currentUpdate.payload;26 currentState = {...currentState,...nextState};27 currentUpdate = currentUpdate.nextUpdate;28 }29 this.firstUpdate = this.lastUpdate = null;30 this.baseState = currentState;31 return currentState32 }33}34let queue = new UpdateQueue();35queue.enqueueUpdate(new Update({ name: 'www' }))36queue.enqueueUpdate(new Update({ age: 10 }))37queue.enqueueUpdate(new Update(state => ({ age: state.age + 1 })))38queue.enqueueUpdate(new Update(state => ({ age: state.age + 1 })))39queue.forceUpdate()...

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Using AI Code Generation

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1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch();4 const context = await browser.newContext();5 const page = await context.newPage();6 await page.evaluate(() => {7 });8 await browser.close();9})();

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Using AI Code Generation

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1const { chromium } = require("playwright");2(async () => {3 const browser = await chromium.launch({ headless: false });4 const page = await browser.newPage();5 await page.click("text=Get started");6 await page.waitForSelector("text=Create a test");7 await page.click("text=Create a test");8 await page.waitForSelector("text=Playwright");9 await page.click("text=Playwright");10 await page.waitForSelector("text=Playwright is a Node.js library to automate");11 await page.click("text=Playwright is a Node.js library to automate");12 await page._delegate._browserContext._doEnqueueUpdate(() => {13 console.log("Hello World");14 });15 await page.screenshot({ path: "example.png" });16 await browser.close();17})();18const { chromium } = require("playwright");19(async () => {20 const browser = await chromium.launch({ headless: false });21 const page = await browser.newPage();22 await page.click("text=Get started");23 await page.waitForSelector("text=Create a test");24 await page.click("text=Create a test");25 await page.waitForSelector("text=Playwright");26 await page.click("text=Playwright");27 await page.waitForSelector("text=Playwright is a Node.js library to automate");28 await page.click("text=Playwright is a Node.js library to automate");29 await page._delegate._browserContext._doEnqueueUpdate(() => {30 console.log("Hello World");31 });32 await page.screenshot({ path: "example.png" });33 await browser.close();34})();35const { chromium } = require("playwright");36(async () => {37 const browser = await chromium.launch({ headless: false });38 const page = await browser.newPage();39 await page.click("text=Get started");40 await page.waitForSelector("text=

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Using AI Code Generation

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1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch();4 const context = await browser.newContext();5 const page = await context.newPage();6 await page.screenshot({ path: 'google.png' });7 await browser.close();8})();9const { chromium } = require('playwright');10(async () => {11 const browser = await chromium.launch();12 const context = await browser.newContext();13 const page = await context.newPage();14 await page.screenshot({ path: 'google.png' });15 await browser.close();16})();17const { chromium } = require('playwright');18(async () => {19 const browser = await chromium.launch();20 const context = await browser.newContext();21 const page = await context.newPage();22 await page.screenshot({ path: 'google.png' });23 await browser.close();24})();25const { chromium } = require('playwright');26(async () => {27 const browser = await chromium.launch();28 const context = await browser.newContext();29 const page = await context.newPage();30 await page.screenshot({ path: 'google.png' });31 await browser.close();32})();33const { chromium } = require('playwright');34(async () => {35 const browser = await chromium.launch();36 const context = await browser.newContext();37 const page = await context.newPage();38 await page.screenshot({ path: 'google.png' });39 await browser.close();40})();

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Using AI Code Generation

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1const { chromium } = require('playwright');2const { enqueueUpdate } = require('playwright/lib/server/frames');3(async () => {4 const browser = await chromium.launch();5 const context = await browser.newContext();6 const page = await context.newPage();7 await page.evaluate(() => {8 const connection = window.navigator.connection;9 enqueueUpdate('Network.emulateNetworkConditions', {10 }, connection);11 });12 await page.screenshot({ path: 'google.png' });13 await browser.close();14})();

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Using AI Code Generation

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1const { chromium } = require('playwright');2const { enqueueUpdate } = require('playwright/lib/server/browserType');3(async () => {4 const browser = await chromium.launch({headless: false});5 const context = await browser.newContext();6 const page = await context.newPage();7 await page.screenshot({path: `example.png`});8 await browser.close();9})();10 at Object.enqueueUpdate (C:\Users\shubh\Documents\GitHub\playwright\lib\server\browserType.js:62:11)11 at async Object.exports.chromium (C:\Users\shubh\Documents\GitHub\playwright\lib\server\browserType.js:116:5)12 at async main (C:\Users\shubh\Documents\GitHub\playwright\test.js:6:16)13const { chromium } = require('playwright');14const { enqueueUpdate } = require('playwright/lib/server/browserType');15(async () => {16 const browserServer = await chromium.launchServer({headless: false});17 const browser = await chromium.connect({ wsEndpoint: browserServer.wsEndpoint() });18 const context = await browser.newContext();19 const page = await context.newPage();20 await page.screenshot({path: `example.png`});21 await browser.close();22})();

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Using AI Code Generation

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1const { test, expect } = require('@playwright/test');2const { enqueueUpdate } = require('playwright-core/lib/server/browserContext');3test('test', async ({ page }) => {4 await page.waitForTimeout(1000);5 const title = await page.title();6 expect(title).toBe('Playwright');7});

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Using AI Code Generation

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1const {enqueueUpdate} = require('playwright/lib/server/supplements/recorder/recorderApp');2enqueueUpdate({type: 'recorder', state: 'recording'});3const {enqueueUpdate} = require('playwright/lib/server/supplements/recorder/recorderApp');4enqueueUpdate({type: 'recorder', state: 'paused'});5const {enqueueUpdate} = require('playwright/lib/server/supplements/recorder/recorderApp');6enqueueUpdate({type: 'recorder', state: 'stopped'});7const {enqueueUpdate} = require('playwright/lib/server/supplements/recorder/recorderApp');8enqueueUpdate({type: 'recorder', state: 'recording'});9const {enqueueUpdate} = require('playwright/lib/server/supplements/recorder/recorderApp');10enqueueUpdate({type: 'recorder', state: 'paused'});11const {enqueueUpdate} = require('playwright/lib/server/supplements/recorder/recorderApp');12enqueueUpdate({type: 'recorder', state: 'stopped'});13const {enqueueUpdate} = require('playwright/lib/server/supplements/recorder/recorderApp');14enqueueUpdate({type: 'recorder', state: 'recording'});15const {enqueueUpdate} = require('playwright/lib/server/supplements/recorder/recorderApp');16enqueueUpdate({type: 'recorder', state: 'paused'});17const {enqueueUpdate} = require('playwright/lib/server/supplements/recorder/recorderApp');18enqueueUpdate({type: 'recorder', state: 'stopped'});19const {enqueueUpdate} = require('playwright/lib/server/supplements/recorder/recorderApp');20enqueueUpdate({type: 'recorder', state: 'recording

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Using AI Code Generation

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1const { enqueueUpdate } = require('playwright/lib/server/trace/recorder');2enqueueUpdate({foo: 'bar'});3const { traceViewer } = require('playwright/lib/server/trace/viewer');4traceViewer({foo: 'bar'});5const { traceViewerUi } = require('playwright/lib/server/trace/viewer');6traceViewerUi({foo: 'bar'});7const { traceViewerUi } = require('playwright/lib/server/trace/viewer');8traceViewerUi({foo: 'bar'});9const { traceViewerUi } = require('playwright/lib/server/trace/viewer');10traceViewerUi({foo: 'bar'});11const { traceViewerUi } = require('playwright/lib/server/trace/viewer');12traceViewerUi({foo: 'bar'});13const { traceViewerUi } = require('playwright/lib/server/trace/viewer');14traceViewerUi({foo: 'bar'});15const { traceViewerUi } = require('playwright/lib/server/trace/viewer');16traceViewerUi({foo: 'bar'});17const { traceViewerUi } = require('playwright/lib/server/trace/viewer');18traceViewerUi({foo: 'bar'});19const { traceViewerUi } = require('playwright/lib/server/trace/viewer');20traceViewerUi({foo: 'bar'});21const { traceViewerUi } = require('playwright/lib/server/trace/viewer');22traceViewerUi({foo: 'bar'});23const { traceViewerUi } = require('playwright/lib/server/trace/viewer');24traceViewerUi({foo: 'bar'});25const { traceViewerUi } = require('playwright/lib/server/trace/viewer');26traceViewerUi({foo: 'bar'});27const { traceViewerUi } = require

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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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