How to use getInstIfValueChanged method in Playwright Internal

Best JavaScript code snippet using playwright-internal

ChangeEventPlugin.js

Source:ChangeEventPlugin.js

...42  }43  function runEventInBatch(dispatchQueue) {44    processDispatchQueue(dispatchQueue, 0);45  }46  function getInstIfValueChanged(targetInst) {47    var targetNode = getNodeFromInstance(targetInst);48    if (updateValueIfChanged(targetNode)) {49      return targetInst;50    }51  }52  function getTargetInstForChangeEvent(domEventName, targetInst) {53    if (domEventName === 'change') {54      return targetInst;55    }56  }57  /**58   * SECTION: handle `input` event59   */60  var isInputEventSupported = false;61  if (canUseDOM) {62    // IE9 claims to support the input event but fails to trigger it when63    // deleting text, so we ignore its input events.64    isInputEventSupported = isEventSupported('input') && (!document.documentMode || document.documentMode > 9);65  }66  /**67   * (For IE <=9) Starts tracking propertychange events on the passed-in element68   * and override the value property so that we can distinguish user events from69   * value changes in JS.70   */71  function startWatchingForValueChange(target, targetInst) {72    activeElement = target;73    activeElementInst = targetInst;74    activeElement.attachEvent('onpropertychange', handlePropertyChange);75  }76  /**77   * (For IE <=9) Removes the event listeners from the currently-tracked element,78   * if any exists.79   */80  function stopWatchingForValueChange() {81    if (!activeElement) {82      return;83    }84    activeElement.detachEvent('onpropertychange', handlePropertyChange);85    activeElement = null;86    activeElementInst = null;87  }88  /**89   * (For IE <=9) Handles a propertychange event, sending a `change` event if90   * the value of the active element has changed.91   */92  function handlePropertyChange(nativeEvent) {93    if (nativeEvent.propertyName !== 'value') {94      return;95    }96    if (getInstIfValueChanged(activeElementInst)) {97      manualDispatchChangeEvent(nativeEvent);98    }99  }100  function handleEventsForInputEventPolyfill(domEventName, target, targetInst) {101    if (domEventName === 'focusin') {102      // In IE9, propertychange fires for most input events but is buggy and103      // doesn't fire when text is deleted, but conveniently, selectionchange104      // appears to fire in all of the remaining cases so we catch those and105      // forward the event if the value has changed106      // In either case, we don't want to call the event handler if the value107      // is changed from JS so we redefine a setter for `.value` that updates108      // our activeElementValue variable, allowing us to ignore those changes109      //110      // stopWatching() should be a noop here but we call it just in case we111      // missed a blur event somehow.112      stopWatchingForValueChange();113      startWatchingForValueChange(target, targetInst);114    } else if (domEventName === 'focusout') {115      stopWatchingForValueChange();116    }117  } // For IE8 and IE9.118  function getTargetInstForInputEventPolyfill(domEventName, targetInst) {119    if (domEventName === 'selectionchange' || domEventName === 'keyup' || domEventName === 'keydown') {120      // On the selectionchange event, the target is just document which isn't121      // helpful for us so just check activeElement instead.122      //123      // 99% of the time, keydown and keyup aren't necessary. IE8 fails to fire124      // propertychange on the first input event after setting `value` from a125      // script and fires only keydown, keypress, keyup. Catching keyup usually126      // gets it and catching keydown lets us fire an event for the first127      // keystroke if user does a key repeat (it'll be a little delayed: right128      // before the second keystroke). Other input methods (e.g., paste) seem to129      // fire selectionchange normally.130      return getInstIfValueChanged(activeElementInst);131    }132  }133  /**134   * SECTION: handle `click` event135   */136  function shouldUseClickEvent(elem) {137    // Use the `click` event to detect changes to checkbox and radio inputs.138    // This approach works across all browsers, whereas `change` does not fire139    // until `blur` in IE8.140    var nodeName = elem.nodeName;141    return nodeName && nodeName.toLowerCase() === 'input' && (elem.type === 'checkbox' || elem.type === 'radio');142  }143  function getTargetInstForClickEvent(domEventName, targetInst) {144    if (domEventName === 'click') {145      return getInstIfValueChanged(targetInst);146    }147  }148  function getTargetInstForInputOrChangeEvent(domEventName, targetInst) {149    if (domEventName === 'input' || domEventName === 'change') {150      return getInstIfValueChanged(targetInst);151    }152  }153  function handleControlledInputBlur(node) {154    var state = node._wrapperState;155    if (!state || !state.controlled || node.type !== 'number') {156      return;157    }158    {159      // If controlled, assign the value attribute to the current value on blur160      setDefaultValue(node, 'number', node.value);161    }162  }163  /**164   * This plugin creates an `onChange` event that normalizes change events...

Using AI Code Generation

1const { chromium } = require('playwright');2const { getInstIfValueChanged } = require('playwright/lib/server/instrumentation');3(async () => {4  const browser = await chromium.launch();5  const page = await browser.newPage();6  await page.screenshot({ path: `example.png` });7  await browser.close();8})();9const { chromium } = require('playwright');10const { getInstIfValueChanged } = require('playwright/lib/server/instrumentation');11(async () => {12  const browser = await chromium.launch();13  const page = await browser.newPage();14  await page.screenshot({ path: `example.png` });15  await browser.close();16})();17const { chromium } = require('playwright');18const { getInstIfValueChanged } = require('playwright/lib/server/instrumentation');19(async () => {20  const browser = await chromium.launch();21  const page = await browser.newPage();22  await page.screenshot({ path: `example.png` });23  await browser.close();24})();25const { chromium } = require('playwright');26const { getInstIfValueChanged } = require('playwright/lib/server/instrumentation');27(async () => {28  const browser = await chromium.launch();29  const page = await browser.newPage();30  await page.screenshot({ path: `example.png` });31  await browser.close();32})();33const { chromium } = require('playwright');34const { getInstIfValueChanged } = require('playwright/lib/server/instrumentation');35(async () => {

Using AI Code Generation

1const { getInstIfValueChanged } = require('playwright-core/lib/server/instrumentation');2const { Page } = require('playwright-core/lib/server/page');3const { ElementHandle } = require('playwright-core/lib/server/dom');4const page = new Page();5const elementHandle = new ElementHandle(page, 'elementHandle', 'elementHandle');6const getInstIfValueChangedInst = getInstIfValueChanged.call(page, elementHandle, 'elementHandle', 'elementHandle');7const getInstIfValueChangedInst2 = getInstIfValueChanged.call(page, elementHandle, 'elementHandle', 'elementHandle');8const getInstIfValueChangedInst3 = getInstIfValueChanged.call(page, elementHandle, 'elementHandle', 'elementHandle');9const getInstIfValueChangedInst4 = getInstIfValueChanged.call(page, elementHandle, 'elementHandle', 'elementHandle');10const getInstIfValueChangedInst5 = getInstIfValueChanged.call(page, elementHandle, 'elementHandle', 'elementHandle');11const getInstIfValueChangedInst6 = getInstIfValueChanged.call(page, elementHandle, 'elementHandle', 'elementHandle');12const getInstIfValueChangedInst7 = getInstIfValueChanged.call(page, elementHandle, 'elementHandle', 'elementHandle');13const getInstIfValueChangedInst8 = getInstIfValueChanged.call(page, elementHandle, 'elementHandle', 'elementHandle');14const getInstIfValueChangedInst9 = getInstIfValueChanged.call(page, elementHandle, 'elementHandle', 'elementHandle');15const getInstIfValueChangedInst10 = getInstIfValueChanged.call(page, elementHandle, 'elementHandle', 'elementHandle');

Using AI Code Generation

1const browser = await chromium.launch();2const context = await browser.newContext();3const page = await context.newPage();4const element = await page.$('text=Docs');5const value = await element.innerText();6const changedElement = await element.getInstIfValueChanged(value);7if (changedElement) {8    await changedElement.click();9}10await browser.close();

Using AI Code Generation

1const { getInstIfValueChanged } = require('playwright/lib/server/instrumentation'); 2const { Page } = require('playwright/lib/server/page');3const { BrowserContext } = require('playwright/lib/server/browserContext');4const { Browser } = require('playwright/lib/server/browser');5const { Chromium } = require('playwright/lib/server/chromium');6const { Electron } = require('playwright/lib/server/electron');7const { FirefoxBrowser } = require('playwright/lib/server/firefox');8const { WebKit } = require('playwright/lib/server/webkit');9const { getInstIfValueChanged } = require('playwright/lib/server/instrumentation'); 10const { Page } = require('playwright/lib/server/page');11const { BrowserContext } = require('playwright/lib/server/browserContext');12const { Browser } = require('playwright/lib/server/browser');13const { Chromium } = require('playwright/lib/server/chromium');14const { Electron } = require('playwright/lib/server/electron');15const { FirefoxBrowser } = require('playwright/lib/server/firefox');16const { WebKit } = require('playwright/lib/server/webkit');17const { getInstIfValueChanged } = require('playwright/lib/server/instrumentation'); 18const { Page } = require('playwright/lib/server/page');19const { BrowserContext } = require('playwright/lib/server/browserContext');20const { Browser } = require('playwright/lib/server/browser');21const { Chromium } = require('playwright/lib/server/chromium');22const { Electron } = require('playwright/lib/server/electron');23const { FirefoxBrowser } = require('playwright/lib/server/firefox');24const { WebKit } = require('playwright/lib/server/webkit');25const { getInstIfValueChanged } = require('playwright/lib/server/instrumentation'); 26const { Page } = require('playwright/lib/server/page');27const { BrowserContext } = require('playwright/lib/server/browserContext');28const { Browser } = require('playwright/lib/server/browser');29const { Chromium } = require('playwright/lib/server/chromium');30const { Electron } = require('playwright/lib/server/electron');31const { Firefo

Using AI Code Generation

1const { getInstIfValueChanged } = require('playwright/lib/server/injected/injectedScriptSource');2const getInstIfValueChanged = require('playwright/lib/server/injected/injectedScriptSource').getInstIfValueChanged;3const getInstIfValueChanged = require('playwright/lib/server/injected/injectedScriptSource').getInstIfValueChanged;4const getInstIfValueChanged = require('playwright/lib/server/injected/injectedScriptSource').getInstIfValueChanged;5const getInstIfValueChanged = require('playwright/lib/server/injected/injectedScriptSource').getInstIfValueChanged;6const getInstIfValueChanged = require('playwright/lib/server/injected/injectedScriptSource').getInstIfValueChanged;7const getInstIfValueChanged = require('playwright/lib/server/injected/injectedScriptSource').getInstIfValueChanged;8const getInstIfValueChanged = require('playwright/lib/server/injected/injectedScriptSource').getInstIfValueChanged;9const getInstIfValueChanged = require('playwright/lib/server/injected/injectedScriptSource').getInstIfValueChanged;10const getInstIfValueChanged = require('playwright/lib/server/injected

Using AI Code Generation

1const { getInstIfValueChanged } = require('playwright/lib/server/instrumentation');2const { chromium } = require('playwright');3const fs = require('fs');4const path = require('path');5const { promisify } = require('util');6(async () => {7  const browser = await chromium.launch();8  const context = await browser.newContext();9  const page = await context.newPage();10  const input = await page.$('input[name="q"]');11  await input.focus();12  await input.type('Hello World');13  await page.waitForTimeout(5000);14  await browser.close();15})();16const { getInstIfValueChanged } = require('playwright/lib/server/instrumentation');17const { chromium } = require('playwright');18const fs = require('fs');19const path = require('path');20const { promisify } = require('util');21(async () => {22  const browser = await chromium.launch();23  const context = await browser.newContext();24  const page = await context.newPage();25  const input = await page.$('input[name="q"]');26  await input.focus();27  await input.type('Hello World');28  await page.waitForTimeout(5000);29  await browser.close();30})();31const {getInstIfValueChanged} = require('playwright/lib/server/instrumentation');32const {chromium} = require('playwright');33const fs = require('fs');34const path = require('path');35const {promisify} = require('util');36(async () => {37  const browser = await chromium.launch();38  const context = await browser.newContext();39  const page = await context.newPage();40  const input = await page.$('input[name="q"]');41  await input.focus();42  await input.type('Hello World');43  await page.waitForTimeout(5000);44  await browser.close();45})();46const {getInstIfValueChanged} = require('playwright/lib/server/instrumentation');47const {chromium} = require('playwright');48const fs = require('fs');49const path = require('path');50const {promisify} = require('util');51(async () => {52  const browser = await chromium.launch();53  const context = await browser.newContext();

Using AI Code Generation

1const { getInstIfValueChanged } = require('playwright/lib/utils/utils');2const { Page } = require('playwright/lib/server/page');3const page = new Page();4const inst = getInstIfValueChanged(page, 'someProp', 123);5console.log(inst);6const { getInstIfValueChanged } = require('playwright/lib/utils/utils');7const { Page } = require('playwright/lib/server/page');8const page = new Page();9const inst = getInstIfValueChanged(page, 'someProp', 123);10console.log(inst);11const { getInstIfValueChanged } = require('playwright/lib/utils/utils');12const { Page } = require('playwright/lib/server/page');13const page = new Page();14const inst = getInstIfValueChanged(page, 'someProp', 123);15console.log(inst);16const { getInstIfValueChanged } = require('playwright/lib/utils/utils');17const { Page } = require('playwright/lib/server/page');18const page = new Page();19const inst = getInstIfValueChanged(page, 'someProp', 123);20console.log(inst);21const { getInstIfValueChanged } = require('playwright/lib/utils/utils');22const { Page } = require('playwright/lib/server/page');23const page = new Page();24const inst = getInstIfValueChanged(page, 'someProp', 123);25console.log(inst);26const { getInstIfValueChanged } = require('playwright/lib/utils/utils');27const { Page } = require('playwright/lib/server/page');28const page = new Page();29const inst = getInstIfValueChanged(page, 'someProp', 123);30console.log(inst);31const { getInstIfValueChanged } = require('playwright/lib/utils/utils');32const { Page } = require('playwright/lib/server/page');33const page = new Page();34const inst = getInstIfValueChanged(page, 'someProp', 123);35console.log(inst);36const { getInstIfValueChanged }

Using AI Code Generation

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  const inputElement = await page.$('input[name="q"]');7  const inputElementWithValueChanged = await inputElement.getInstIfValueChanged();8  console.log(inputElementWithValueChanged);9  await browser.close();10})();11$eval()12$()13$$()14$$eval()15elementHandle.evaluate()16elementHandle.evaluateHandle()17elementHandle.fill()18elementHandle.getAttribute()19elementHandle.getProperty()20elementHandle.hover()21elementHandle.isIntersectingViewport()22elementHandle.press()23elementHandle.screenshot()24elementHandle.selectOption()25elementHandle.textContents()26elementHandle.textContent()27elementHandle.type()28elementHandle.uncheck()29elementHandle.waitForElementState()30elementHandle.waitForFunction()31elementHandle.waitForSelector()32elementHandle.waitForXPath()33elementHandle.xpath()34elementHandle.check()35elementHandle.click()36elementHandle.dblclick()37elementHandle.dispatchEvent()38elementHandle.focus()39elementHandle.getAttribute()40elementHandle.getProperty()41elementHandle.hover()42elementHandle.isIntersectingViewport()43elementHandle.press()44elementHandle.screenshot()45elementHandle.selectOption()46elementHandle.textContents()47elementHandle.textContent()48elementHandle.type()49elementHandle.uncheck()50elementHandle.waitForElementState()51elementHandle.waitForFunction()52elementHandle.waitForSelector()53elementHandle.waitForXPath()54elementHandle.xpath()55elementHandle.check()56elementHandle.click()57elementHandle.dblclick()58elementHandle.dispatchEvent()59elementHandle.focus()60elementHandle.getAttribute()61elementHandle.getProperty()62elementHandle.hover()63elementHandle.isIntersectingViewport()64elementHandle.press()65elementHandle.screenshot()66elementHandle.selectOption()67elementHandle.textContents()68elementHandle.textContent()69elementHandle.type()70elementHandle.uncheck()71elementHandle.waitForElementState()72elementHandle.waitForFunction()73elementHandle.waitForSelector()74elementHandle.waitForXPath()75elementHandle.xpath()76elementHandle.check()77elementHandle.click()78elementHandle.dblclick()79elementHandle.dispatchEvent()80elementHandle.focus()81elementHandle.getAttribute()82elementHandle.getProperty()83elementHandle.hover()

Using AI Code Generation

1const { getInstIfValueChanged } = require('playwright/lib/server/instrumentation');2const inst = getInstIfValueChanged('value', 10, 20);3console.log(inst);4const { getInstIfValueChanged } = require('playwright/lib/server/instrumentation');5const inst = getInstIfValueChanged('value', 10, 10);6console.log(inst);

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