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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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