How to use shouldUseChangeEvent method in Playwright Internal
Best JavaScript code snippet using playwright-internal
ChangeEventPlugin.js
Source:ChangeEventPlugin.js 
...21 var activeElement = null;22 var activeElementID = null;23 var activeElementValue = null;24 var activeElementValueProp = null;25 function shouldUseChangeEvent(elem) {26 return (elem.nodeName === 'SELECT' || (elem.nodeName === 'INPUT' && elem.type === 'file'));27 }28 var doesChangeEventBubble = false;29 if (ExecutionEnvironment.canUseDOM) {30 doesChangeEventBubble = isEventSupported('change') && ((!('documentMode' in document) || document.documentMode > 8));31 }32 function manualDispatchChangeEvent(nativeEvent) {33 var event = SyntheticEvent.getPooled(eventTypes.change, activeElementID, nativeEvent);34 EventPropagators.accumulateTwoPhaseDispatches(event);35 ReactUpdates.batchedUpdates(runEventInBatch, event);36 }37 function runEventInBatch(event) {38 EventPluginHub.enqueueEvents(event);39 EventPluginHub.processEventQueue();40 }41 function startWatchingForChangeEventIE8(target, targetID) {42 activeElement = target;43 activeElementID = targetID;44 activeElement.attachEvent('onchange', manualDispatchChangeEvent);45 }46 function stopWatchingForChangeEventIE8() {47 if (!activeElement) {48 return;49 }50 activeElement.detachEvent('onchange', manualDispatchChangeEvent);51 activeElement = null;52 activeElementID = null;53 }54 function getTargetIDForChangeEvent(topLevelType, topLevelTarget, topLevelTargetID) {55 if (topLevelType === topLevelTypes.topChange) {56 return topLevelTargetID;57 }58 }59 function handleEventsForChangeEventIE8(topLevelType, topLevelTarget, topLevelTargetID) {60 if (topLevelType === topLevelTypes.topFocus) {61 stopWatchingForChangeEventIE8();62 startWatchingForChangeEventIE8(topLevelTarget, topLevelTargetID);63 } else if (topLevelType === topLevelTypes.topBlur) {64 stopWatchingForChangeEventIE8();65 }66 }67 var isInputEventSupported = false;68 if (ExecutionEnvironment.canUseDOM) {69 isInputEventSupported = isEventSupported('input') && ((!('documentMode' in document) || document.documentMode > 9));70 }71 var newValueProp = {72 get: function() {73 return activeElementValueProp.get.call(this);74 },75 set: function(val) {76 activeElementValue = '' + val;77 activeElementValueProp.set.call(this, val);78 }79 };80 function startWatchingForValueChange(target, targetID) {81 activeElement = target;82 activeElementID = targetID;83 activeElementValue = target.value;84 activeElementValueProp = Object.getOwnPropertyDescriptor(target.constructor.prototype, 'value');85 Object.defineProperty(activeElement, 'value', newValueProp);86 activeElement.attachEvent('onpropertychange', handlePropertyChange);87 }88 function stopWatchingForValueChange() {89 if (!activeElement) {90 return;91 }92 delete activeElement.value;93 activeElement.detachEvent('onpropertychange', handlePropertyChange);94 activeElement = null;95 activeElementID = null;96 activeElementValue = null;97 activeElementValueProp = null;98 }99 function handlePropertyChange(nativeEvent) {100 if (nativeEvent.propertyName !== 'value') {101 return;102 }103 var value = nativeEvent.srcElement.value;104 if (value === activeElementValue) {105 return;106 }107 activeElementValue = value;108 manualDispatchChangeEvent(nativeEvent);109 }110 function getTargetIDForInputEvent(topLevelType, topLevelTarget, topLevelTargetID) {111 if (topLevelType === topLevelTypes.topInput) {112 return topLevelTargetID;113 }114 }115 function handleEventsForInputEventIE(topLevelType, topLevelTarget, topLevelTargetID) {116 if (topLevelType === topLevelTypes.topFocus) {117 stopWatchingForValueChange();118 startWatchingForValueChange(topLevelTarget, topLevelTargetID);119 } else if (topLevelType === topLevelTypes.topBlur) {120 stopWatchingForValueChange();121 }122 }123 function getTargetIDForInputEventIE(topLevelType, topLevelTarget, topLevelTargetID) {124 if (topLevelType === topLevelTypes.topSelectionChange || topLevelType === topLevelTypes.topKeyUp || topLevelType === topLevelTypes.topKeyDown) {125 if (activeElement && activeElement.value !== activeElementValue) {126 activeElementValue = activeElement.value;127 return activeElementID;128 }129 }130 }131 function shouldUseClickEvent(elem) {132 return (elem.nodeName === 'INPUT' && (elem.type === 'checkbox' || elem.type === 'radio'));133 }134 function getTargetIDForClickEvent(topLevelType, topLevelTarget, topLevelTargetID) {135 if (topLevelType === topLevelTypes.topClick) {136 return topLevelTargetID;137 }138 }139 var ChangeEventPlugin = {140 eventTypes: eventTypes,141 extractEvents: function(topLevelType, topLevelTarget, topLevelTargetID, nativeEvent) {142 var getTargetIDFunc,143 handleEventFunc;144 if (shouldUseChangeEvent(topLevelTarget)) {145 if (doesChangeEventBubble) {146 getTargetIDFunc = getTargetIDForChangeEvent;147 } else {148 handleEventFunc = handleEventsForChangeEventIE8;149 }150 } else if (isTextInputElement(topLevelTarget)) {151 if (isInputEventSupported) {152 getTargetIDFunc = getTargetIDForInputEvent;153 } else {154 getTargetIDFunc = getTargetIDForInputEventIE;155 handleEventFunc = handleEventsForInputEventIE;156 }157 } else if (shouldUseClickEvent(topLevelTarget)) {158 getTargetIDFunc = getTargetIDForClickEvent;...
Input.js
Source:Input.js
...92 const nodeName = getNodeName(elem);93 const type = (elem: any).type;94 return nodeName === 'input' && (type === 'checkbox' || type === 'radio');95}96function shouldUseChangeEvent(elem: Element | Document): boolean {97 const nodeName = getNodeName(elem);98 return (99 nodeName === 'select' ||100 (nodeName === 'input' && (elem: any).type === 'file')101 );102}103function dispatchChangeEvent(104 context: ReactDOMResponderContext,105 props: InputResponderProps,106 target: Element | Document,107): void {108 const onValueChange = props.onValueChange;109 if (isFunction(onValueChange)) {110 const value = getValueFromNode(target);111 context.dispatchEvent(value, onValueChange, DiscreteEvent);112 }113}114function dispatchBothChangeEvents(115 event: ReactDOMResponderEvent,116 context: ReactDOMResponderContext,117 props: InputResponderProps,118 target: Document | Element,119): void {120 context.enqueueStateRestore(target);121 const onChange = props.onChange;122 if (isFunction(onChange)) {123 dispatchInputEvent(event, onChange, context, 'change', target);124 }125 dispatchChangeEvent(context, props, target);126}127function updateValueIfChanged(elem: Element | Document): boolean {128 // React's internal value tracker129 const valueTracker = (elem: any)._valueTracker;130 if (valueTracker == null) {131 return true;132 }133 const prevValue = valueTracker.getValue();134 const nextValue = getValueFromNode(elem);135 if (prevValue !== nextValue) {136 valueTracker.setValue(nextValue);137 return true;138 }139 return false;140}141function getValueFromNode(node: Element | Document): string {142 let value = '';143 if (!node) {144 return value;145 }146 if (isCheckable(node)) {147 value = (node: any).checked ? 'true' : 'false';148 } else {149 value = (node: any).value;150 }151 return value;152}153const inputResponderImpl = {154 targetEventTypes,155 onEvent(156 event: ReactDOMResponderEvent,157 context: ReactDOMResponderContext,158 props: InputResponderProps,159 ): void {160 const {type, target} = event;161 if (props.disabled) {162 return;163 }164 const currentTarget = context.getResponderNode();165 if (target !== currentTarget || currentTarget === null) {166 return;167 }168 switch (type) {169 default: {170 if (shouldUseChangeEvent(target) && type === 'change') {171 dispatchBothChangeEvents(event, context, props, currentTarget);172 } else if (173 isTextInputElement(target) &&174 (type === 'input' || type === 'change') &&175 updateValueIfChanged(target)176 ) {177 dispatchBothChangeEvents(event, context, props, currentTarget);178 } else if (179 isCheckable(target) &&180 type === 'click' &&181 updateValueIfChanged(target)182 ) {183 dispatchBothChangeEvents(event, context, props, currentTarget);184 }...
input.development.js
Source:input.development.js
...50 var nodeName = getNodeName(elem);51 var type = elem.type;52 return nodeName === 'input' && (type === 'checkbox' || type === 'radio');53}54function shouldUseChangeEvent(elem) {55 var nodeName = getNodeName(elem);56 return nodeName === 'select' || nodeName === 'input' && elem.type === 'file';57}58function dispatchChangeEvent(context, props, target) {59 var onValueChange = props.onValueChange;60 if (isFunction(onValueChange)) {61 var _value = getValueFromNode(target);62 context.dispatchEvent(_value, onValueChange, DiscreteEvent);63 }64}65function dispatchBothChangeEvents(event, context, props, target) {66 context.enqueueStateRestore(target);67 var onChange = props.onChange;68 if (isFunction(onChange)) {69 dispatchInputEvent(event, onChange, context, 'change', target);70 }71 dispatchChangeEvent(context, props, target);72}73function updateValueIfChanged(elem) {74 // React's internal value tracker75 var valueTracker = elem._valueTracker;76 if (valueTracker == null) {77 return true;78 }79 var prevValue = valueTracker.getValue();80 var nextValue = getValueFromNode(elem);81 if (prevValue !== nextValue) {82 valueTracker.setValue(nextValue);83 return true;84 }85 return false;86}87function getValueFromNode(node) {88 var value = '';89 if (!node) {90 return value;91 }92 if (isCheckable(node)) {93 value = node.checked ? 'true' : 'false';94 } else {95 value = node.value;96 }97 return value;98}99var inputResponderImpl = {100 targetEventTypes: targetEventTypes,101 onEvent: function (event, context, props) {102 var type = event.type,103 target = event.target;104 if (props.disabled) {105 return;106 }107 var currentTarget = context.getResponderNode();108 if (target !== currentTarget || currentTarget === null) {109 return;110 }111 switch (type) {112 default:113 {114 if (shouldUseChangeEvent(target) && type === 'change') {115 dispatchBothChangeEvents(event, context, props, currentTarget);116 } else if (isTextInputElement(target) && (type === 'input' || type === 'change') && updateValueIfChanged(target)) {117 dispatchBothChangeEvents(event, context, props, currentTarget);118 } else if (isCheckable(target) && type === 'click' && updateValueIfChanged(target)) {119 dispatchBothChangeEvents(event, context, props, currentTarget);120 }121 break;122 }123 }124 }125};126var InputResponder = React.unstable_createResponder('Input', inputResponderImpl);127function useInput(props) {128 return React.unstable_useResponder(InputResponder, props);...
Using AI Code Generation
1const { shouldUseChangeEvent } = require('playwright/lib/internal/keyboard');2const { webkit } = require('playwright');3(async () => {4 const browser = await webkit.launch();5 const context = await browser.newContext();6 const page = await context.newPage();7 await page.click('input[aria-label="Search"]');8 await page.keyboard.type('playwright');9 await page.keyboard.press('Enter');10 await page.waitForSelector('text=Playwright');11 await browser.close();12})();
Using AI Code Generation
1const { shouldUseChangeEvent } = require('playwright/lib/server/frames');2const { Page } = require('playwright/lib/server/page');3const { Frame } = require('playwright/lib/server/frames');4const { ElementHandle } = require('playwright/lib/server/dom');5const page = new Page();6const frame = new Frame(page);7const elementHandle = new ElementHandle(frame);8console.log(shouldUseChangeEvent(elementHandle));
Using AI Code Generation
1const { shouldUseChangeEvent } = require('playwright/lib/utils/utils');2console.log(shouldUseChangeEvent('input', 'value'));3const { shouldUseChangeEvent } = require('playwright/lib/utils/utils');4console.log(shouldUseChangeEvent('input', 'value'));5const { shouldUseChangeEvent } = require('playwright/lib/utils/utils');6console.log(shouldUseChangeEvent('input', 'value'));7const { shouldUseChangeEvent } = require('playwright/lib/utils/utils');8console.log(shouldUseChangeEvent('input', 'value'));9const { shouldUseChangeEvent } = require('playwright/lib/utils/utils');10console.log(shouldUseChangeEvent('input', 'value'));11const { shouldUseChangeEvent } = require('playwright/lib/utils/utils');12console.log(shouldUseChangeEvent('input', 'value'));13const { shouldUseChangeEvent } = require('playwright/lib/utils/utils');14console.log(shouldUseChangeEvent('input', 'value'));15const { shouldUseChangeEvent } = require('playwright/lib/utils/utils');16console.log(shouldUseChangeEvent('input', 'value'));17const { shouldUseChangeEvent } = require('playwright/lib/utils/utils');18console.log(shouldUseChangeEvent('input', 'value'));19const { shouldUseChangeEvent } = require('playwright/lib/utils/utils');20console.log(shouldUseChangeEvent('input', 'value'));21const { shouldUseChangeEvent } = require('playwright/lib/utils/utils');22console.log(shouldUseChangeEvent('input', 'value'));23const { shouldUseChangeEvent } = require('playwright/lib/utils/utils');24console.log(shouldUseChangeEvent('input', 'value'));25const { shouldUseChangeEvent } = require('playwright/lib/utils/utils');26console.log(
Using AI Code Generation
1const { shouldUseChangeEvent } = require('playwright/lib/server/frames');2shouldUseChangeEvent('input', 'value', 'foo');3const { shouldUseChangeEvent } = require('playwright/lib/server/frames');4shouldUseChangeEvent('input', 'value', 'foo');5const { shouldUseChangeEvent } = require('playwright/lib/server/frames');6shouldUseChangeEvent('input', 'value', 'foo');7const { shouldUseChangeEvent } = require('playwright/lib/server/frames');8shouldUseChangeEvent('input', 'value', 'foo');9const { shouldUseChangeEvent } = require('playwright/lib/server/frames');10shouldUseChangeEvent('input', 'value', 'foo');11const { shouldUseChangeEvent } = require('playwright/lib/server/frames');12shouldUseChangeEvent('input', 'value', 'foo');13const { shouldUseChangeEvent } = require('playwright/lib/server/frames');14shouldUseChangeEvent('input', 'value', 'foo');15const { shouldUseChangeEvent } = require('playwright/lib/server/frames');16shouldUseChangeEvent('input', 'value', 'foo');17const { shouldUseChangeEvent } = require('playwright/lib/server/frames');18shouldUseChangeEvent('input', 'value', 'foo');19const { shouldUseChangeEvent } = require('playwright/lib/server/frames');20shouldUseChangeEvent('input', 'value', 'foo');21const { shouldUseChangeEvent } = require('playwright/lib/server/frames');22shouldUseChangeEvent('input', 'value', 'foo');23const { shouldUseChangeEvent } = require('playwright/lib/server/frames');24shouldUseChangeEvent('input', 'value', 'foo');
Using AI Code Generation
1const { shouldUseChangeEvent } = require('playwright/lib/server/frames');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 await page.fill('input[name="q"]', 'Hello World');8 await page.keyboard.press('Enter');9 await page.screenshot({ path: 'google.png' });10 await browser.close();11})();
Using AI Code Generation
1const { shouldUseChangeEvent, shouldUseInputEvent } = require('playwright/lib/internal/protocol');2console.log(shouldUseChangeEvent({ tagName: 'input', type: 'radio' }));3console.log(shouldUseChangeEvent({ tagName: 'input', type: 'checkbox' }));4console.log(shouldUseChangeEvent({ tagName: 'input', type: 'text' }));5console.log(shouldUseChangeEvent({ tagName: 'select' }));6console.log(shouldUseChangeEvent({ tagName: 'textarea' }));7console.log(shouldUseChangeEvent({ tagName: 'div' }));8console.log(shouldUseChangeEvent({ tagName: 'input', type: 'file' }));9console.log(shouldUseInputEvent({ tagName: 'input', type: 'radio' }));10console.log(shouldUseInputEvent({ tagName: 'input', type: 'checkbox' }));11console.log(shouldUseInputEvent({ tagName: 'input', type: 'text' }));12console.log(shouldUseInputEvent({ tagName: 'select' }));13console.log(shouldUseInputEvent({ tagName: 'textarea' }));14console.log(shouldUseInputEvent({ tagName: 'div' }));15console.log(shouldUseInputEvent({ tagName: 'input', type: 'file' }));
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