How to use CallbackQueue method in Playwright Internal

Best JavaScript code snippet using playwright-internal

ReactUpdates.js

Source:ReactUpdates.js Github

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1/* */ 2(function(process) {3 'use strict';4 var CallbackQueue = require("./CallbackQueue");5 var PooledClass = require("./PooledClass");6 var ReactCurrentOwner = require("./ReactCurrentOwner");7 var ReactPerf = require("./ReactPerf");8 var ReactReconciler = require("./ReactReconciler");9 var Transaction = require("./Transaction");10 var assign = require("./Object.assign");11 var invariant = require("./invariant");12 var warning = require("./warning");13 var dirtyComponents = [];14 var asapCallbackQueue = CallbackQueue.getPooled();15 var asapEnqueued = false;16 var batchingStrategy = null;17 function ensureInjected() {18 ("production" !== process.env.NODE_ENV ? invariant(ReactUpdates.ReactReconcileTransaction && batchingStrategy, 'ReactUpdates: must inject a reconcile transaction class and batching ' + 'strategy') : invariant(ReactUpdates.ReactReconcileTransaction && batchingStrategy));19 }20 var NESTED_UPDATES = {21 initialize: function() {22 this.dirtyComponentsLength = dirtyComponents.length;23 },24 close: function() {25 if (this.dirtyComponentsLength !== dirtyComponents.length) {26 dirtyComponents.splice(0, this.dirtyComponentsLength);27 flushBatchedUpdates();28 } else {29 dirtyComponents.length = 0;30 }31 }32 };33 var UPDATE_QUEUEING = {34 initialize: function() {35 this.callbackQueue.reset();36 },37 close: function() {38 this.callbackQueue.notifyAll();39 }40 };41 var TRANSACTION_WRAPPERS = [NESTED_UPDATES, UPDATE_QUEUEING];42 function ReactUpdatesFlushTransaction() {43 this.reinitializeTransaction();44 this.dirtyComponentsLength = null;45 this.callbackQueue = CallbackQueue.getPooled();46 this.reconcileTransaction = ReactUpdates.ReactReconcileTransaction.getPooled();47 }48 assign(ReactUpdatesFlushTransaction.prototype, Transaction.Mixin, {49 getTransactionWrappers: function() {50 return TRANSACTION_WRAPPERS;51 },52 destructor: function() {53 this.dirtyComponentsLength = null;54 CallbackQueue.release(this.callbackQueue);55 this.callbackQueue = null;56 ReactUpdates.ReactReconcileTransaction.release(this.reconcileTransaction);57 this.reconcileTransaction = null;58 },59 perform: function(method, scope, a) {60 return Transaction.Mixin.perform.call(this, this.reconcileTransaction.perform, this.reconcileTransaction, method, scope, a);61 }62 });63 PooledClass.addPoolingTo(ReactUpdatesFlushTransaction);64 function batchedUpdates(callback, a, b, c, d) {65 ensureInjected();66 batchingStrategy.batchedUpdates(callback, a, b, c, d);67 }68 function mountOrderComparator(c1, c2) {69 return c1._mountOrder - c2._mountOrder;70 }71 function runBatchedUpdates(transaction) {72 var len = transaction.dirtyComponentsLength;73 ("production" !== process.env.NODE_ENV ? invariant(len === dirtyComponents.length, 'Expected flush transaction\'s stored dirty-components length (%s) to ' + 'match dirty-components array length (%s).', len, dirtyComponents.length) : invariant(len === dirtyComponents.length));74 dirtyComponents.sort(mountOrderComparator);75 for (var i = 0; i < len; i++) {76 var component = dirtyComponents[i];77 var callbacks = component._pendingCallbacks;78 component._pendingCallbacks = null;79 ReactReconciler.performUpdateIfNecessary(component, transaction.reconcileTransaction);80 if (callbacks) {81 for (var j = 0; j < callbacks.length; j++) {82 transaction.callbackQueue.enqueue(callbacks[j], component.getPublicInstance());83 }84 }85 }86 }87 var flushBatchedUpdates = function() {88 while (dirtyComponents.length || asapEnqueued) {89 if (dirtyComponents.length) {90 var transaction = ReactUpdatesFlushTransaction.getPooled();91 transaction.perform(runBatchedUpdates, null, transaction);92 ReactUpdatesFlushTransaction.release(transaction);93 }94 if (asapEnqueued) {95 asapEnqueued = false;96 var queue = asapCallbackQueue;97 asapCallbackQueue = CallbackQueue.getPooled();98 queue.notifyAll();99 CallbackQueue.release(queue);100 }101 }102 };103 flushBatchedUpdates = ReactPerf.measure('ReactUpdates', 'flushBatchedUpdates', flushBatchedUpdates);104 function enqueueUpdate(component) {105 ensureInjected();106 ("production" !== process.env.NODE_ENV ? warning(ReactCurrentOwner.current == null, 'enqueueUpdate(): Render methods should be a pure function of props ' + 'and state; triggering nested component updates from render is not ' + 'allowed. If necessary, trigger nested updates in ' + 'componentDidUpdate.') : null);107 if (!batchingStrategy.isBatchingUpdates) {108 batchingStrategy.batchedUpdates(enqueueUpdate, component);109 return ;110 }111 dirtyComponents.push(component);112 }113 function asap(callback, context) {114 ("production" !== process.env.NODE_ENV ? invariant(batchingStrategy.isBatchingUpdates, 'ReactUpdates.asap: Can\'t enqueue an asap callback in a context where' + 'updates are not being batched.') : invariant(batchingStrategy.isBatchingUpdates));115 asapCallbackQueue.enqueue(callback, context);116 asapEnqueued = true;117 }118 var ReactUpdatesInjection = {119 injectReconcileTransaction: function(ReconcileTransaction) {120 ("production" !== process.env.NODE_ENV ? invariant(ReconcileTransaction, 'ReactUpdates: must provide a reconcile transaction class') : invariant(ReconcileTransaction));121 ReactUpdates.ReactReconcileTransaction = ReconcileTransaction;122 },123 injectBatchingStrategy: function(_batchingStrategy) {124 ("production" !== process.env.NODE_ENV ? invariant(_batchingStrategy, 'ReactUpdates: must provide a batching strategy') : invariant(_batchingStrategy));125 ("production" !== process.env.NODE_ENV ? invariant(typeof _batchingStrategy.batchedUpdates === 'function', 'ReactUpdates: must provide a batchedUpdates() function') : invariant(typeof _batchingStrategy.batchedUpdates === 'function'));126 ("production" !== process.env.NODE_ENV ? invariant(typeof _batchingStrategy.isBatchingUpdates === 'boolean', 'ReactUpdates: must provide an isBatchingUpdates boolean attribute') : invariant(typeof _batchingStrategy.isBatchingUpdates === 'boolean'));127 batchingStrategy = _batchingStrategy;128 }129 };130 var ReactUpdates = {131 ReactReconcileTransaction: null,132 batchedUpdates: batchedUpdates,133 enqueueUpdate: enqueueUpdate,134 flushBatchedUpdates: flushBatchedUpdates,135 injection: ReactUpdatesInjection,136 asap: asap137 };138 module.exports = ReactUpdates;...

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01ded5ReactUpdates.js

Source:01ded5ReactUpdates.js Github

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1'use strict';2var CallbackQueue = require('CallbackQueue');3var PooledClass = require('PooledClass');4var ReactFeatureFlags = require('ReactFeatureFlags');5var ReactReconciler = require('ReactReconciler');6var Transaction = require('Transaction');7var invariant = require('fbjs/lib/invariant');8var dirtyComponents = [];9var updateBatchNumber = 0;10var asapCallbackQueue = CallbackQueue.getPooled();11var asapEnqueued = false;12var batchingStrategy = null;13function ensureInjected() {14 invariant(ReactUpdates.ReactReconcileTransaction && batchingStrategy, 'ReactUpdates: must inject a reconcile transaction class and batching ' + 'strategy');15}16var NESTED_UPDATES = {17 initialize: function initialize() {18 this.dirtyComponentsLength = dirtyComponents.length;19 },20 close: function close() {21 if (this.dirtyComponentsLength !== dirtyComponents.length) {22 dirtyComponents.splice(0, this.dirtyComponentsLength);23 flushBatchedUpdates();24 } else {25 dirtyComponents.length = 0;26 }27 }28};29var UPDATE_QUEUEING = {30 initialize: function initialize() {31 this.callbackQueue.reset();32 },33 close: function close() {34 this.callbackQueue.notifyAll();35 }36};37var TRANSACTION_WRAPPERS = [NESTED_UPDATES, UPDATE_QUEUEING];38function ReactUpdatesFlushTransaction() {39 this.reinitializeTransaction();40 this.dirtyComponentsLength = null;41 this.callbackQueue = CallbackQueue.getPooled();42 this.reconcileTransaction = ReactUpdates.ReactReconcileTransaction.getPooled(true);43}44babelHelpers.extends(ReactUpdatesFlushTransaction.prototype, Transaction, {45 getTransactionWrappers: function getTransactionWrappers() {46 return TRANSACTION_WRAPPERS;47 },48 destructor: function destructor() {49 this.dirtyComponentsLength = null;50 CallbackQueue.release(this.callbackQueue);51 this.callbackQueue = null;52 ReactUpdates.ReactReconcileTransaction.release(this.reconcileTransaction);53 this.reconcileTransaction = null;54 },55 perform: function perform(method, scope, a) {56 return Transaction.perform.call(this, this.reconcileTransaction.perform, this.reconcileTransaction, method, scope, a);57 }58});59PooledClass.addPoolingTo(ReactUpdatesFlushTransaction);60function batchedUpdates(callback, a, b, c, d, e) {61 ensureInjected();62 return batchingStrategy.batchedUpdates(callback, a, b, c, d, e);63}64function mountOrderComparator(c1, c2) {65 return c1._mountOrder - c2._mountOrder;66}67function runBatchedUpdates(transaction) {68 var len = transaction.dirtyComponentsLength;69 invariant(len === dirtyComponents.length, 'Expected flush transaction\'s stored dirty-components length (%s) to ' + 'match dirty-components array length (%s).', len, dirtyComponents.length);70 dirtyComponents.sort(mountOrderComparator);71 updateBatchNumber++;72 for (var i = 0; i < len; i++) {73 var component = dirtyComponents[i];74 var callbacks = component._pendingCallbacks;75 component._pendingCallbacks = null;76 var markerName;77 if (ReactFeatureFlags.logTopLevelRenders) {78 var namedComponent = component;79 if (component._currentElement.type.isReactTopLevelWrapper) {80 namedComponent = component._renderedComponent;81 }82 markerName = 'React update: ' + namedComponent.getName();83 console.time(markerName);84 }85 ReactReconciler.performUpdateIfNecessary(component, transaction.reconcileTransaction, updateBatchNumber);86 if (markerName) {87 console.timeEnd(markerName);88 }89 if (callbacks) {90 for (var j = 0; j < callbacks.length; j++) {91 transaction.callbackQueue.enqueue(callbacks[j], component.getPublicInstance());92 }93 }94 }95}96var flushBatchedUpdates = function flushBatchedUpdates() {97 while (dirtyComponents.length || asapEnqueued) {98 if (dirtyComponents.length) {99 var transaction = ReactUpdatesFlushTransaction.getPooled();100 transaction.perform(runBatchedUpdates, null, transaction);101 ReactUpdatesFlushTransaction.release(transaction);102 }103 if (asapEnqueued) {104 asapEnqueued = false;105 var queue = asapCallbackQueue;106 asapCallbackQueue = CallbackQueue.getPooled();107 queue.notifyAll();108 CallbackQueue.release(queue);109 }110 }111};112function enqueueUpdate(component) {113 ensureInjected();114 if (!batchingStrategy.isBatchingUpdates) {115 batchingStrategy.batchedUpdates(enqueueUpdate, component);116 return;117 }118 dirtyComponents.push(component);119 if (component._updateBatchNumber == null) {120 component._updateBatchNumber = updateBatchNumber + 1;121 }122}123function asap(callback, context) {124 invariant(batchingStrategy.isBatchingUpdates, 'ReactUpdates.asap: Can\'t enqueue an asap callback in a context where' + 'updates are not being batched.');125 asapCallbackQueue.enqueue(callback, context);126 asapEnqueued = true;127}128var ReactUpdatesInjection = {129 injectReconcileTransaction: function injectReconcileTransaction(ReconcileTransaction) {130 invariant(ReconcileTransaction, 'ReactUpdates: must provide a reconcile transaction class');131 ReactUpdates.ReactReconcileTransaction = ReconcileTransaction;132 },133 injectBatchingStrategy: function injectBatchingStrategy(_batchingStrategy) {134 invariant(_batchingStrategy, 'ReactUpdates: must provide a batching strategy');135 invariant(typeof _batchingStrategy.batchedUpdates === 'function', 'ReactUpdates: must provide a batchedUpdates() function');136 invariant(typeof _batchingStrategy.isBatchingUpdates === 'boolean', 'ReactUpdates: must provide an isBatchingUpdates boolean attribute');137 batchingStrategy = _batchingStrategy;138 },139 getBatchingStrategy: function getBatchingStrategy() {140 return batchingStrategy;141 }142};143var ReactUpdates = {144 ReactReconcileTransaction: null,145 batchedUpdates: batchedUpdates,146 enqueueUpdate: enqueueUpdate,147 flushBatchedUpdates: flushBatchedUpdates,148 injection: ReactUpdatesInjection,149 asap: asap150};...

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dragger.js

Source:dragger.js Github

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1var Dragger = function(init)2{3 var default_init =4 {5 source:document.createElement('div')6 }7 var self = this;8 doMapInitDefaults(self,init,default_init);9 var draggables = [];10 var dragging = [];11 var callbackQueue = [];12 var evtQueue = [];13 var queues = {};14 queues.callbackQueue = callbackQueue;15 queues.evtQueue = evtQueue;16 self.register = function(draggable) { draggables.push(draggable); }17 self.unregister = function(draggable) { var i = draggables.indexOf(draggable); if(i != -1) draggables.splice(i,1); }18 self.ignore = function() { dragging = []; callbackQueue = []; evtQueue = []; }19 self.clear = function() { draggables = []; }20 self.attach = function() //will get auto-called on create21 {22 if(platform == "PC")23 {24 self.source.addEventListener('mousedown', begin, false);25 self.source.addEventListener('mousemove', drag, false);26 self.source.addEventListener('mouseup', end, false);27 window.addEventListener('mousemove', detectOut, false);28 }29 else if(platform == "MOBILE")30 {31 self.source.addEventListener('touchstart', begin, false);32 self.source.addEventListener('touchmove', drag, false);33 self.source.addEventListener('touchend', end, false);34 window.addEventListener('touchmove', detectOut, false);35 }36 }37 self.detach = function()38 {39 if(platform == "PC")40 {41 self.source.removeEventListener('mousedown', begin);42 self.source.removeEventListener('mousemove', drag);43 self.source.removeEventListener('mouseup', end);44 window.removeEventListener('mousemove', detectOut, false);45 }46 else if(platform == "MOBILE")47 {48 self.source.removeEventListener('touchstart', begin);49 self.source.removeEventListener('touchmove', drag);50 self.source.removeEventListener('touchend', end);51 window.removeEventListener('touchmove', detectOut, false);52 }53 }54 function begin(evt)55 {56 doSetPosOnEvent(evt);57 self.injectDragStart(evt);58 }59 self.injectDragStart = function(evt)60 {61 for(var i = 0; i < draggables.length; i++)62 {63 if(ptWithinObj(draggables[i], evt.doX, evt.doY))64 {65 var already_dragging = false;66 for(var j = 0; j < dragging.length; j++)67 if(draggables[i] == dragging[j]) already_dragging = true;68 if(!already_dragging)69 {70 dragging.push(draggables[i]);71 callbackQueue.push(draggables[i].dragStart);72 evtQueue.push(evt);73 }74 }75 }76 }77 function drag(evt)78 {79 doSetPosOnEvent(evt);80 self.injectDrag(evt);81 }82 self.injectDrag = function(evt)83 {84 var r = self.source.getBoundingClientRect();85 if(evt.clientX < r.left || evt.clientY < r.top || evt.clientX > r.right || evt.clientY > r.bottom)86 {87 end(evt);88 return;89 }90 for(var i = 0; i < dragging.length; i++)91 {92 callbackQueue.push(dragging[i].drag);93 evtQueue.push(evt);94 }95 }96 function end(evt)97 {98 doSetPosOnEvent(evt);99 self.injectDragFinish(evt);100 }101 self.injectDragFinish = function(evt)102 {103 for(var i = 0; i < dragging.length; i++)104 {105 callbackQueue.push(dragging[i].dragFinish);106 evtQueue.push(evt);107 }108 dragging = [];109 }110 self.flush = function()111 {112 for(var i = 0; i < callbackQueue.length; i++)113 callbackQueue[i](evtQueue[i]);114 callbackQueue = [];115 evtQueue = [];116 }117 self.requestManualFlush = function()118 {119 queues.callbackQueue = callbackQueue;120 queues.evtQueue = evtQueue;121 return queues;122 }123 self.manualFlush = function()124 {125 callbackQueue = [];126 evtQueue = [];127 }128 function detectOut(evt)129 {130 var r = self.source.getBoundingClientRect();131 if(evt.clientX < r.left || evt.clientY < r.top || evt.clientX > r.right || evt.clientY > r.bottom)132 end(evt);133 }134 self.attach();135}136//example draggable- just needs x,y,w,h and dragStart, drag, and dragFinish callback137var Draggable = function(args)138{139 var self = this;140 //nice in smooth dragging141 self.offX = 0;142 self.offY = 0;143 self.x = args.x ? args.x : 0;144 self.y = args.y ? args.y : 0;145 self.w = args.w ? args.w : 0;146 self.h = args.h ? args.h : 0;147 self.dragStart = args.dragStart ? args.dragStart : function(evt)148 {149 self.offX = evt.doX-self.x;150 self.offY = evt.doY-self.y;151 }152 self.drag = args.drag ? args.drag : function(evt)153 {154 self.deltaX = ((evt.doX-self.x)-self.offX);155 self.deltaY = ((evt.doY-self.y)-self.offY);156 self.x = self.x + self.deltaX;157 self.y = self.y + self.deltaY;158 self.offX = evt.doX - self.x;159 self.offY = evt.doY - self.y;160 }161 self.dragFinish = args.dragFinish ? args.dragFinish : function()162 {163 }164 //nice for debugging purposes165 self.draw = function(canv)166 {167 canv.context.strokeStyle = "#00FF00";168 canv.context.strokeRect(self.x,self.y,self.w,self.h);169 }...

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presser.js

Source:presser.js Github

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1var Presser = function(init)2{3 var default_init =4 {5 source:document.createElement('div')6 }7 var self = this;8 doMapInitDefaults(self,init,default_init);9 var pressables = [];10 var pressing = [];11 var callbackQueue = [];12 var evtQueue = [];13 var queues = {};14 queues.callbackQueue = callbackQueue;15 queues.evtQueue = evtQueue;16 var down = false;17 self.register = function(pressable) { pressables.push(pressable); }18 self.unregister = function(pressable) { var i = pressables.indexOf(pressable); if(i != -1) pressables.splice(i,1); }19 self.ignore = function() { callbackQueue = []; evtQueue = []; }20 self.clear = function() { pressables = []; }21 self.attach = function() //will auto-call on creation22 {23 if(platform == "PC")24 {25 self.source.addEventListener('mousedown', begin, false);26 self.source.addEventListener('mousemove', press, false);27 self.source.addEventListener('mouseup', end, false);28 }29 else if(platform == "MOBILE")30 {31 self.source.addEventListener('touchstart', begin, false);32 self.source.addEventListener('touchmove', press, false);33 self.source.addEventListener('touchend', end, false);34 }35 }36 self.detach = function()37 {38 if(platform == "PC")39 {40 self.source.removeEventListener('mousedown', begin);41 self.source.removeEventListener('mousemove', press);42 self.source.removeEventListener('mouseup', end);43 }44 else if(platform == "MOBILE")45 {46 self.source.removeEventListener('touchstart', begin);47 self.source.removeEventListener('touchmove', press);48 self.source.removeEventListener('touchend', end);49 }50 }51 function begin(evt)52 {53 down = true;54 doSetPosOnEvent(evt);55 self.injectPress(evt);56 }57 function press(evt)58 {59 if(!down) return;60 doSetPosOnEvent(evt);61 self.injectPress(evt);62 }63 self.injectPress = function(evt)64 {65 var alreadypressing;66 for(var i = 0; i < pressables.length; i++)67 {68 if(69 evt.doX >= pressables[i].x &&70 evt.doX <= pressables[i].x+pressables[i].w &&71 evt.doY >= pressables[i].y &&72 evt.doY <= pressables[i].y+pressables[i].h73 )74 {75 alreadypressing = false;76 for(var j = 0; j < pressing.length; j++)77 if(pressables[i] == pressing[j]) alreadypressing = true;78 if(!alreadypressing)79 {80 pressing.push(pressables[i]);81 callbackQueue.push(pressables[i].press);82 evtQueue.push(evt);83 }84 }85 }86 for(var i = 0; i < pressing.length; i++)87 {88 if(89 evt.doX < pressing[i].x ||90 evt.doX > pressing[i].x+pressing[i].w ||91 evt.doY < pressing[i].y ||92 evt.doY > pressing[i].y+pressing[i].h93 )94 {95 callbackQueue.push(pressing[i].unpress);96 evtQueue.push(evt);97 pressing.splice(i,1);98 i--;99 }100 }101 }102 function end(evt)103 {104 self.injectUnpress(evt);105 }106 self.injectUnpress = function(evt)107 {108 down = false;109 for(var i = 0; i < pressing.length; i++)110 {111 callbackQueue.push(pressing[i].unpress);112 evtQueue.push(evt);113 }114 pressing = [];115 }116 self.flush = function()117 {118 for(var i = 0; i < callbackQueue.length; i++)119 callbackQueue[i](evtQueue[i]);120 callbackQueue = [];121 evtQueue = [];122 }123 self.requestManualFlush = function()124 {125 queues.callbackQueue = callbackQueue;126 queues.evtQueue = evtQueue;127 return queues;128 }129 self.manualFlush = function()130 {131 callbackQueue = [];132 evtQueue = [];133 }134 self.attach();135}136//example pressable- just needs x,y,w,h and press callback137var Pressable = function(args)138{139 var self = this;140 self.x = args.x ? args.x : 0;141 self.y = args.y ? args.y : 0;142 self.w = args.w ? args.w : 0;143 self.h = args.h ? args.h : 0;144 self.press = args.press ? args.press : function(evt){ };145 self.unpress = args.unpress ? args.unpress : function(evt){ };146 //nice for debugging purposes147 self.draw = function(canv)148 {149 canv.context.strokeStyle = "#00FF00";150 canv.context.strokeRect(self.x,self.y,self.w,self.h);151 }...

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renderer.js

Source:renderer.js Github

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1/*2 * This file is part of gorilla-repl. Copyright (C) 2014-, Jony Hudson.3 *4 * gorilla-repl is licenced to you under the MIT licence. See the file LICENCE.txt for full details.5 */6/* Takes a data structure representing the output data and renders it in to the given element. */7var render = function (data, element, errorCallback) {8 // Some parts of the output might need to run js functions to complete the rendering (like Vega graphs for instance)9 // We maintain a list of those functions that we accumulate as we put together the HTML, and then call them all10 // after the HTML has been inserted into the document.11 var callbackQueue = [];12 var htmlString = renderPart(data, callbackQueue, errorCallback);13 $(element).html("<pre>" + htmlString + "</pre>");14 _.each(callbackQueue, function (callback) {callback()});15 // Attach a click event handler to each element for value copy and paste.16 $(".value", element).click(function (ed) {17 if (ed.altKey) {18 var value = $(this).attr('data-value');19 eventBus.trigger("app:show-value", value);20 }21 return false;22 });23};24var renderPart = function (data, callbackQueue, errorCallback) {25 switch (data.type) {26 case "html":27 return renderHTML(data, callbackQueue, errorCallback);28 case "list-like":29 return renderListLike(data, callbackQueue, errorCallback);30 case "vega":31 return renderVega(data, callbackQueue, errorCallback);32 case "latex":33 return renderLatex(data, callbackQueue, errorCallback);34 }35 return "Unknown render type";36};37// This helper supports value copy and paste.38var wrapWithValue = function (data, content) {39 return "<span class='value' data-value='" + _.escape(data.value) + "'>" + content + "</span>";40};41var renderHTML = function (data, callbackQueue, errorCallback) {42 return wrapWithValue(data, data.content);43};44var renderListLike = function (data, callbackQueue, errorCallback) {45 // first of all render the items46 var renderedItems = data.items.map(function (x) {return renderPart(x, callbackQueue, errorCallback)});47 // and then assemble the list48 return wrapWithValue(data, data.open + renderedItems.join(data.separator) + data.close);49};50var renderVega = function (data, callbackQueue, errorCallback) {51 var uuid = UUID.generate();52 // for some reason, Vega will sometimes try and pop up an alert if there's an error, which is not a53 // great user experience. Here we patch the error handling function to re-route any generated message54 // to the segment.55 vg.error = function (msg) {56 errorCallback("Vega error (js): " + msg);57 };58 callbackQueue.push(function () {59 vg.parse.spec(data.content, function (chart) {60 try {61 var element = $("#" + uuid).get()[0];62 chart({el: element, renderer: 'svg'}).update();63 } catch (e) {64 // we'll end up here if vega throws an error. We try and route this error back to the65 // segment so the user has an idea of what's going on.66 errorCallback("Vega error (js): " + e.message);67 }68 });69 });70 return wrapWithValue(data, "<span class='vega-span' id='" + uuid + "'></span>");71};72var renderLatex = function (data, callbackQueue, errorCallback) {73 var uuid = UUID.generate();74 callbackQueue.push(function () {75 MathJax.Hub.Queue(["Typeset", MathJax.Hub, uuid]);76 });77 return wrapWithValue(data, "<span class='latex-span' id='" + uuid + "'>@@" + data.content + "@@</span>");...

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CallbackQueue.js

Source:CallbackQueue.js Github

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...24 * @implements PooledClass25 * @internal26 */27var CallbackQueue = function () {28 function CallbackQueue(arg) {29 _classCallCheck(this, CallbackQueue);30 this._callbacks = null;31 this._contexts = null;32 this._arg = arg;33 }34 /**35 * Enqueues a callback to be invoked when `notifyAll` is invoked.36 *37 * @param {function} callback Invoked when `notifyAll` is invoked.38 * @param {?object} context Context to call `callback` with.39 * @internal40 */41 CallbackQueue.prototype.enqueue = function enqueue(callback, context) {42 this._callbacks = this._callbacks || [];...

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clicker.js

Source:clicker.js Github

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1var Clicker = function(init)2{3 var default_init =4 {5 source:document.createElement('div')6 }7 var self = this;8 doMapInitDefaults(self,init,default_init);9 var clickables = [];10 var callbackQueue = [];11 var evtQueue = [];12 var queues = {};13 queues.callbackQueue = callbackQueue;14 queues.evtQueue = evtQueue;15 self.register = function(clickable) { clickables.push(clickable); }16 self.unregister = function(clickable) { var i = clickables.indexOf(clickable); if(i != -1) clickables.splice(i,1); }17 self.ignore = function() { callbackQueue = []; evtQueue = []; }18 self.clear = function() { clickables = []; }19 self.attach = function() //will get auto-called at creation20 {21 if(platform == "PC") self.source.addEventListener('mousedown', click, false);22 else if(platform == "MOBILE") self.source.addEventListener('touchstart', click, false);23 }24 self.detach = function()25 {26 if(platform == "PC") self.source.removeEventListener('mousedown', click);27 else if(platform == "MOBILE") self.source.removeEventListener('touchstart', click);28 }29 function click(evt)30 {31 doSetPosOnEvent(evt);32 self.injectClick(evt);33 }34 self.injectClick = function(evt)35 {36 for(var i = 0; i < clickables.length; i++)37 {38 if(clicked(clickables[i], evt))39 {40 callbackQueue.push(clickables[i].click);41 evtQueue.push(evt);42 }43 }44 }45 self.flush = function()46 {47 for(var i = 0; i < callbackQueue.length; i++)48 callbackQueue[i](evtQueue[i]);49 callbackQueue = [];50 evtQueue = [];51 }52 self.requestManualFlush = function()53 {54 queues.callbackQueue = callbackQueue;55 queues.evtQueue = evtQueue;56 return queues;57 }58 self.manualFlush = function()59 {60 callbackQueue = [];61 evtQueue = [];62 }63 self.attach();64}65var clicked = function(clickable, evt)66{67 return ptWithinObj(clickable, evt.doX, evt.doY);68}69//example clickable- just needs x,y,w,h and click callback70var Clickable = function(args)71{72 var self = this;73 self.x = args.x ? args.x : 0;74 self.y = args.y ? args.y : 0;75 self.w = args.w ? args.w : 0;76 self.h = args.h ? args.h : 0;77 self.click = args.click ? args.click : function(){};78 //nice for debugging purposes79 self.draw = function(canv)80 {81 canv.context.strokeStyle = "#00FF00";82 canv.context.strokeRect(self.x,self.y,self.w,self.h);83 }...

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Readyable.js

Source:Readyable.js Github

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1// A base class that has an onReady() function.2var Readyable = (function() {3 function Readyable() {4 this.ready = false;5 this.callbackQueue = [];6 this.error = null;7 return this;8 }9 Readyable.prototype.isReady = function() {10 return this.ready;11 }12 Readyable.prototype.onReady = function(callback) {13 if (this.error) { callback(this.error, null); return; }14 if (this.ready) { callback(null, this); return; }15 this.callbackQueue.push(callback);16 };17 Readyable.prototype.setReady = function() {18 this.ready = true;19 this.error = null;20 for (var i in this.callbackQueue) {21 var callback = this.callbackQueue[i];22 callback(null, this)23 }24 this.callbackQueue = [];25 }26 Readyable.prototype.setError = function(err) {27 this.ready = false;28 if (typeof err == 'string') { this.error = new Error(err); }29 else { this.error = err; }30 for (var i in this.callbackQueue) {31 var callback = this.callbackQueue[i];32 callback(this.error, null);33 }34 this.callbackQueue = [];35 }36 return Readyable;37})();38// for use in Node:39if (typeof module == 'object') {40 module.exports = Readyable;41 module.exports.default = Readyable;...

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Using AI Code Generation

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1const { chromium } = require('playwright');2const { CallbackQueue } = require('playwright/lib/client/callbacks');3(async () => {4 const browser = await chromium.launch();5 const page = await browser.newPage();6 const callbackQueue = new CallbackQueue();7 const context = await browser.newContext({ callbackQueue });8 const page = await context.newPage();9 await callbackQueue.drain();10 await browser.close();11})();12const { chromium } = require('playwright');13const { CallbackQueue } = require('playwright/lib/client/callbacks');14(async () => {15 const browser = await chromium.launch();16 const page = await browser.newPage();17 const context = await browser.newContext();18 const page = await context.newPage();19 await context.drain();20 await browser.close();21})();22const { chromium } = require('playwright');23const { CallbackQueue } = require('playwright/lib/client/callbacks');24(async () => {25 const browser = await chromium.launch();26 const page = await browser.newPage();27 const context = await browser.newContext();28 const page = await context.newPage();29 await page.drain();30 await browser.close();31})();32const { chromium } = require('playwright');33const { CallbackQueue } = require('playwright/lib/client/callbacks');34(async () => {35 const browser = await chromium.launch();36 const page = await browser.newPage();37 const context = await browser.newContext();38 const page = await context.newPage();39 await browser.drain();40 await browser.close();41})();42const { chromium } = require('playwright');43const { CallbackQueue } = require('playwright/lib/client/callbacks');44(async () => {45 const browser = await chromium.launch();46 const page = await browser.newPage();47 const context = await browser.newContext();48 const page = await context.newPage();

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Using AI Code Generation

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1(async () => {2 const {chromium, devices} = require('playwright');3 const browser = await chromium.launch();4 const context = await browser.newContext(devices['iPhone 11']);5 const page = await context.newPage();6 const callbackQueue = new CallbackQueue(page);

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Using AI Code Generation

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1const { CallbackQueue } = require('playwright/lib/utils/callbacks');2const { chromium } = require('playwright');3const fs = require('fs');4const path = require('path');5(async () => {6 const browser = await chromium.launch();7 const context = await browser.newContext();8 const page = await context.newPage();9 await page.waitForSelector('input');10 await page.type('input', 'playwright');11 await page.screenshot({ path: 'google.png' });12 await browser.close();13})();14const { CallbackQueue } = require('playwright/lib/utils/callbacks');15const { chromium } = require('playwright');16const fs = require('fs');17const path = require('path');18(async () => {19 const browser = await chromium.launch();20 const context = await browser.newContext();21 const page = await context.newPage();22 await page.waitForSelector('input');23 await page.type('input', 'playwright');24 await page.screenshot({ path: 'google.png' });25 await browser.close();26})();27const { CallbackQueue } = require('playwright/lib/utils/callbacks');28const { chromium } = require('playwright');29const fs = require('fs');30const path = require('path');31(async () => {32 const browser = await chromium.launch();33 const context = await browser.newContext();34 const page = await context.newPage();35 await page.waitForSelector('input');36 await page.type('input', 'playwright');37 await page.screenshot({ path: 'google.png' });38 await browser.close();39})();40const { CallbackQueue } = require('playwright/lib/utils/callbacks');41const { chromium } = require('playwright');42const fs = require('fs');43const path = require('path');44(async () => {45 const browser = await chromium.launch();46 const context = await browser.newContext();47 const page = await context.newPage();48 await page.waitForSelector('input');49 await page.type('input', 'playwright');50 await page.screenshot({ path: 'google.png' });51 await browser.close();52})();

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Using AI Code Generation

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1const {CallbackQueue} = require('playwright/lib/utils/callbacks');2const queue = new CallbackQueue();3queue.add(async () => {4 console.log('1');5});6queue.add(async () => {7 console.log('2');8});9queue.runAll();10const {CallbackQueue} = require('playwright/lib/utils/callbacks');11const queue = new CallbackQueue();12queue.add(async () => {13 console.log('1');14});15queue.add(async () => {16 console.log('2');17});18queue.runAll();19const {CallbackQueue} = require('playwright/lib/utils/callbacks');20const queue = new CallbackQueue();21queue.add(async () => {22 console.log('1');23});24queue.add(async () => {25 console.log('2');26});27queue.runAll();28const {CallbackQueue} = require('playwright/lib/utils/callbacks');29const queue = new CallbackQueue();30queue.add(async () => {31 console.log('1');32});33queue.add(async () => {34 console.log('2');35});36queue.runAll();37const {CallbackQueue} = require('playwright/lib/utils/callbacks');38const queue = new CallbackQueue();39queue.add(async () => {40 console.log('1');41});42queue.add(async () => {43 console.log('2');44});45queue.runAll();46const {CallbackQueue} = require('playwright/lib/utils/callbacks');47const queue = new CallbackQueue();48queue.add(async () => {49 console.log('1');50});51queue.add(async () => {52 console.log('2');53});54queue.runAll();55const {CallbackQueue} = require('playwright/lib/utils/callbacks');56const queue = new CallbackQueue();

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Using AI Code Generation

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1const { chromium } = require('playwright');2const { CallbackQueue } = require('playwright/lib/utils/callbacks');3const { createReadStream } = require('fs');4(async () => {5 const browser = await chromium.launch();6 const context = await browser.newContext();7 const page = await context.newPage();8 const callbackQueue = new CallbackQueue();9 const stream = createReadStream('test.pdf');10 await page.pdf({11 margin: {12 },13 });14 await page.pdf({15 margin: {16 },17 });18 await page.pdf({19 margin: {20 },21 });22 await page.pdf({23 margin: {

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Using AI Code Generation

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1const { CallbackQueue } = require('playwright-core/lib/server/callbacks');2const queue = new CallbackQueue();3queue.onIdle().then(() => console.log('All done'));4queue.postTask(() => console.log('First'));5queue.postTask(() => console.log('Second'));6queue.postTask(() => console.log('Third'));7queue.postTask(() => console.log('Fourth'));8const { CallbackQueue } = require('playwright-core/lib/server/callbacks');9const queue = new CallbackQueue();10queue.onIdle().then(() => console.log('All done'));11queue.postTask(() => {12 console.log('First');13 queue.postTask(() => console.log('Second'));14 queue.postTask(() => console.log('Third'));15 queue.postTask(() => console.log('Fourth'));16});17const { CallbackQueue } = require('playwright-core/lib/server/callbacks');18const queue = new CallbackQueue();19queue.onIdle().then(() => console.log('All done'));20queue.postTask(() => {21 console.log('First');22 queue.postTask(() => console.log('Second'));23 queue.postTask(() => console.log('Third'));24 queue.postTask(() => console.log('Fourth'));25});26queue.postTask(() => console.log('Fifth'));27queue.postTask(() => console.log('Sixth'));28const { CallbackQueue } = require('playwright-core/lib/server/callbacks');29const queue = new CallbackQueue();30queue.onIdle().then(() => console.log('All done'));31queue.postTask(() => {32 console.log('First');33 queue.postTask(() => console.log('Second'));34 queue.postTask(() => console.log('Third'));35 queue.postTask(() => console.log('Fourth'));36});37queue.postTask(() => console.log('Fifth'));38queue.postTask(() => console.log('Sixth'));39queue.postTask(() => {40 console.log('Se

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Using AI Code Generation

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1const { CallbackQueue } = require('playwright/lib/utils/callbacks');2const { chromium } = require('playwright');3const callbackQueue = new CallbackQueue();4callbackQueue.enqueue(() => {5 return new Promise((resolve, reject) => {6 setTimeout(() => {7 resolve('hello world');8 }, 1000);9 });10});11callbackQueue.enqueue(() => {12 return new Promise((resolve, reject) => {13 setTimeout(() => {14 resolve('hello world2');15 }, 1000);16 });17});18(async () => {19 const browser = await chromium.launch();20 const context = await browser.newContext();21 const page = await context.newPage();22 await page.evaluate(() => {23 console.log('hello world');24 });25 await page.evaluate(() => {26 console.log('hello world2');27 });28 await page.evaluate(() => {29 console.log('hello world3');30 });31 await page.evaluate(() => {32 console.log('hello world4');33 });34 await page.evaluate(() => {35 console.log('hello world5');36 });37 await page.evaluate(() => {38 console.log('hello world6');39 });40 await page.evaluate(() => {41 console.log('hello world7');42 });43 await page.evaluate(() => {44 console.log('hello world8');45 });46 await page.evaluate(() => {47 console.log('hello world9');48 });49 await page.evaluate(() => {50 console.log('hello world10');51 });52 await page.evaluate(() => {53 console.log('hello world11');54 });55 await page.evaluate(() => {56 console.log('hello world12');57 });58 await page.evaluate(() => {59 console.log('hello world13');60 });61 await page.evaluate(() => {62 console.log('hello world14');63 });64 await page.evaluate(() => {65 console.log('hello world15');66 });67 await page.evaluate(() => {68 console.log('hello world16');69 });70 await page.evaluate(() => {71 console.log('hello world17');72 });73 await page.evaluate(() => {74 console.log('hello world18');75 });76 await page.evaluate(() => {77 console.log('hello world19');78 });79 await page.evaluate(() => {80 console.log('hello world20');81 });82 await page.evaluate(() => {

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Using AI Code Generation

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1const { CallbackQueue, Page } = require('playwright');2const { chromium } = require('playwright-chromium');3const callbackQueue = new CallbackQueue();4(async () => {5 const browser = await chromium.launch({ headless: false });6 const page = await browser.newPage();7 const callback = callbackQueue.newCallback();8 page.on('load', callback);9 await callbackQueue.waitForCallback();10 await browser.close();11})();12const { CallbackQueue, Page } = require('playwright');13const { chromium } = require('playwright-chromium');14const callbackQueue = new CallbackQueue();15(async () => {16 const browser = await chromium.launch({ headless: false });17 const page = await browser.newPage();18 const callback = callbackQueue.newCallback();19 page.on('load', callback);20 await callbackQueue.waitForCallback();21 await browser.close();22})();23const { CallbackQueue, Page } = require('playwright');24const { chromium } = require('playwright-chromium');25const callbackQueue = new CallbackQueue();26(async () => {27 const browser = await chromium.launch({ headless: false });28 const page = await browser.newPage();29 const callback = callbackQueue.newCallback();30 page.on('load', callback);

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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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