Best JavaScript code snippet using playwright-internal
BeforeInputEventPlugin.js
Source:BeforeInputEventPlugin.js  
...162 *163 * @param {object} nativeEvent164 * @return {boolean}165 */166function isUsingKoreanIME(nativeEvent     ) {167  return nativeEvent.locale === 'ko';168}169// Track the current IME composition status, if any.170let isComposing = false;171/**172 * @return {?object} A SyntheticCompositionEvent.173 */174function extractCompositionEvent(175  dispatchQueue,176  domEventName,177  targetInst,178  nativeEvent,179  nativeEventTarget,180) {181  let eventType;182  let fallbackData;183  if (canUseCompositionEvent) {184    eventType = getCompositionEventType(domEventName);185  } else if (!isComposing) {186    if (isFallbackCompositionStart(domEventName, nativeEvent)) {187      eventType = 'onCompositionStart';188    }189  } else if (isFallbackCompositionEnd(domEventName, nativeEvent)) {190    eventType = 'onCompositionEnd';191  }192  if (!eventType) {193    return null;194  }195  if (useFallbackCompositionData && !isUsingKoreanIME(nativeEvent)) {196    // The current composition is stored statically and must not be197    // overwritten while composition continues.198    if (!isComposing && eventType === 'onCompositionStart') {199      isComposing = FallbackCompositionStateInitialize(nativeEventTarget);200    } else if (eventType === 'onCompositionEnd') {201      if (isComposing) {202        fallbackData = FallbackCompositionStateGetData();203      }204    }205  }206  const listeners = accumulateTwoPhaseListeners(targetInst, eventType);207  if (listeners.length > 0) {208    const event = new SyntheticCompositionEvent(209      eventType,210      domEventName,211      null,212      nativeEvent,213      nativeEventTarget,214    );215    dispatchQueue.push({event, listeners});216    if (fallbackData) {217      // Inject data generated from fallback path into the synthetic event.218      // This matches the property of native CompositionEventInterface.219      event.data = fallbackData;220    } else {221      const customData = getDataFromCustomEvent(nativeEvent);222      if (customData !== null) {223        event.data = customData;224      }225    }226  }227}228function getNativeBeforeInputChars(229  domEventName              ,230  nativeEvent     ,231)          {232  switch (domEventName) {233    case 'compositionend':234      return getDataFromCustomEvent(nativeEvent);235    case 'keypress':236      /**237       * If native `textInput` events are available, our goal is to make238       * use of them. However, there is a special case: the spacebar key.239       * In Webkit, preventing default on a spacebar `textInput` event240       * cancels character insertion, but it *also* causes the browser241       * to fall back to its default spacebar behavior of scrolling the242       * page.243       *244       * Tracking at:245       * https://code.google.com/p/chromium/issues/detail?id=355103246       *247       * To avoid this issue, use the keypress event as if no `textInput`248       * event is available.249       */250      const which = nativeEvent.which;251      if (which !== SPACEBAR_CODE) {252        return null;253      }254      hasSpaceKeypress = true;255      return SPACEBAR_CHAR;256    case 'textInput':257      // Record the characters to be added to the DOM.258      const chars = nativeEvent.data;259      // If it's a spacebar character, assume that we have already handled260      // it at the keypress level and bail immediately. Android Chrome261      // doesn't give us keycodes, so we need to ignore it.262      if (chars === SPACEBAR_CHAR && hasSpaceKeypress) {263        return null;264      }265      return chars;266    default:267      // For other native event types, do nothing.268      return null;269  }270}271/**272 * For browsers that do not provide the `textInput` event, extract the273 * appropriate string to use for SyntheticInputEvent.274 */275function getFallbackBeforeInputChars(276  domEventName              ,277  nativeEvent     ,278)          {279  // If we are currently composing (IME) and using a fallback to do so,280  // try to extract the composed characters from the fallback object.281  // If composition event is available, we extract a string only at282  // compositionevent, otherwise extract it at fallback events.283  if (isComposing) {284    if (285      domEventName === 'compositionend' ||286      (!canUseCompositionEvent &&287        isFallbackCompositionEnd(domEventName, nativeEvent))288    ) {289      const chars = FallbackCompositionStateGetData();290      FallbackCompositionStateReset();291      isComposing = false;292      return chars;293    }294    return null;295  }296  switch (domEventName) {297    case 'paste':298      // If a paste event occurs after a keypress, throw out the input299      // chars. Paste events should not lead to BeforeInput events.300      return null;301    case 'keypress':302      /**303       * As of v27, Firefox may fire keypress events even when no character304       * will be inserted. A few possibilities:305       *306       * - `which` is `0`. Arrow keys, Esc key, etc.307       *308       * - `which` is the pressed key code, but no char is available.309       *   Ex: 'AltGr + d` in Polish. There is no modified character for310       *   this key combination and no character is inserted into the311       *   document, but FF fires the keypress for char code `100` anyway.312       *   No `input` event will occur.313       *314       * - `which` is the pressed key code, but a command combination is315       *   being used. Ex: `Cmd+C`. No character is inserted, and no316       *   `input` event will occur.317       */318      if (!isKeypressCommand(nativeEvent)) {319        // IE fires the `keypress` event when a user types an emoji via320        // Touch keyboard of Windows.  In such a case, the `char` property321        // holds an emoji character like `\uD83D\uDE0A`.  Because its length322        // is 2, the property `which` does not represent an emoji correctly.323        // In such a case, we directly return the `char` property instead of324        // using `which`.325        if (nativeEvent.char && nativeEvent.char.length > 1) {326          return nativeEvent.char;327        } else if (nativeEvent.which) {328          return String.fromCharCode(nativeEvent.which);329        }330      }331      return null;332    case 'compositionend':333      return useFallbackCompositionData && !isUsingKoreanIME(nativeEvent)334        ? null335        : nativeEvent.data;336    default:337      return null;338  }339}340/**341 * Extract a SyntheticInputEvent for `beforeInput`, based on either native342 * `textInput` or fallback behavior.343 *344 * @return {?object} A SyntheticInputEvent.345 */346function extractBeforeInputEvent(347  dispatchQueue,...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 isUsingKoreanIME = await page.evaluate(() => {7    return window.playwright._internal.isUsingKoreanIME();8  });9  console.log(isUsingKoreanIME);10  await browser.close();11})();12const { chromium } = require('playwright');13(async () => {14  const browser = await chromium.launch();15  const context = await browser.newContext();16  const page = await context.newPage();17  const isUsingKoreanIME = await page.evaluate(() => {18    return window.playwright._internal.isUsingKoreanIME();19  });20  console.log(isUsingKoreanIME);21  await browser.close();22})();23const { chromium } = require('playwright');24(async () => {25  const browser = await chromium.launch();26  const context = await browser.newContext();27  const page = await context.newPage();28  const isUsingKoreanIME = await page.evaluate(() => {29    return window.playwright._internal.isUsingKoreanIME();30  });31  console.log(isUsingKoreanIME);32  await browser.close();33})();34const { chromium } = require('playwright');35(async () => {36  const browser = await chromium.launch();37  const context = await browser.newContext();38  const page = await context.newPage();39  const isUsingKoreanIME = await page.evaluate(() => {40    return window.playwright._internal.isUsingKoreanIME();41  });42  console.log(isUsingKoreanIME);43  await browser.close();44})();45const { chromium } = require('playwrightUsing AI Code Generation
1const { isUsingKoreanIME } = require('playwright/lib/internal/ime');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  const usingKoreanIME = await isUsingKoreanIME(page);8  console.log(usingKoreanIME);9  await browser.close();10})();Using AI Code Generation
1const { isUsingKoreanIME } = require('playwright/lib/server/chromium/crInputMethod');2(async () => {3  const browser = await chromium.launch();4  const context = await browser.newContext();5  const page = await context.newPage();6  const { korean } = await isUsingKoreanIME(page);7  console.log(korean);8  await browser.close();9})();10const { setKoreanIME } = require('playwright/lib/server/chromium/crInputMethod');11(async () => {12  const browser = await chromium.launch();13  const context = await browser.newContext();14  const page = await context.newPage();15  await setKoreanIME(page);16  const { korean } = await isUsingKoreanIME(page);17  console.log(korean);18  await browser.close();19})();20const { setEnglishIME } = require('playwright/lib/server/chromium/crInputMethod');21(async () => {22  const browser = await chromium.launch();23  const context = await browser.newContext();24  const page = await context.newPage();25  await setEnglishIME(page);26  const { korean } = await isUsingKoreanIME(page);27  console.log(korean);28  await browser.close();29})();Using AI Code Generation
1const { isUsingKoreanIME } = require("@playwright/test/lib/utils");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.click("text=Get Started");8  await page.click("text=Show me the code");9  console.log(await isUsingKoreanIME(page));10  await browser.close();11})();Using AI Code Generation
1const { chromium } = require('playwright');2const { isUsingKoreanIME } = require('playwright/lib/server/chromium/api.js');3(async () => {4  const browser = await chromium.launch();5  const context = await browser.newContext();6  const page = await context.newPage();7  await page.click('input[name="q"]');8  await page.keyboard.type('Hello World');9  const isUsingKoreanIME = await isUsingKoreanIME(page);10  console.log(isUsingKoreanIME);11  await browser.close();12})();13const { chromium } = require('playwright');14const { isUsingKoreanIME } = require('playwright/lib/server/chromium/api.js');15(async () => {16  const browser = await chromium.launch();17  const context = await browser.newContext();18  const page = await context.newPage();19  await page.click('input[name="q"]');20  await page.keyboard.press('Control+Shift+Space');21  const isUsingKoreanIME = await isUsingKoreanIME(page);22  console.log(isUsingKoreanIME);23  await browser.close();24})();25const { chromium } = require('playwright');26const { isUsingKoreanIME } = require('playwright/lib/server/chromium/api.js');27(async () => {28  const browser = await chromium.launch();29  const context = await browser.newContext();30  const page = await context.newPage();31  await page.click('input[name="q"]');32  await page.keyboard.press('Control+Shift+Space');33  await page.keyboard.type('Hello World');34  const isUsingKoreanIME = await isUsingKoreanIME(page);35  console.log(isUsingKoreanIME);36  await browser.close();37})();38const { chromium } = require('playwright');39const { isUsingKoreanIME } = require('playwrightUsing 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 isUsingKoreanIME = await page.evaluate(() => window.isUsingKoreanIME());7  console.log(isUsingKoreanIME);8  await browser.close();9})();10Last modified May 14, 2021: docs: add isUsingKoreanIME method (#10143) (a2f0b2c)Using AI Code Generation
1const { isUsingKoreanIME } = require("@playwright/test/lib/utils/internal");2(async () => {3  const browser = await chromium.launch();4  const page = await browser.newPage();5  await page.click('text=API');6  const isUsingKoreanIME = await page.evaluate(isUsingKoreanIME);7  console.log(isUsingKoreanIME);8  await browser.close();9})();10const { isUsingKoreanIME } = require("@playwright/test/lib/utils/internal");11(async () => {12  const browser = await chromium.launch();13  const page = await browser.newPage();14  await page.click('text=API');15  const isUsingKoreanIME = await page.evaluate(isUsingKoreanIME);16  console.log(isUsingKoreanIME);17  await browser.close();18})();19const { isUsingKoreanIME } = require("@playwright/test/lib/utils/internal");20(async () => {21  const browser = await chromium.launch();22  const page = await browser.newPage();23  await page.click('text=API');24  const isUsingKoreanIME = await page.evaluate(isUsingKoreanIME);25  console.log(isUsingKoreanIME);26  await browser.close();27})();28const { isUsingKoreanIME } = require("@playwright/test/lib/utils/internal");29(async () => {30  const browser = await chromium.launch();31  const page = await browser.newPage();32  await page.click('text=API');33  const isUsingKoreanIME = await page.evaluate(isUsingKoreanIME);34  console.log(isUsingKoreanIME);35  await browser.close();36})();37const { isUsingKoreanIME } = require("@playwright/test/lib/utils/internal");38(async () => {39  const browser = await chromium.launch();40  const page = await browser.newPage();Using AI Code Generation
1import { chromium, firefox, webkit } from 'playwright';2(async () => {3  for (const browserType of [chromium, firefox, webkit]) {4    const browser = await browserType.launch();5    const context = await browser.newContext();6    const page = await context.newPage();7    const input = await page.$('input[name="identifier"]');8    await input.click();9    await input.type('test');10    const isUsingKoreanIME = await page.evaluate(() => window.isUsingKoreanIME());11    console.log(`isUsingKoreanIME: ${isUsingKoreanIME}`);12    await browser.close();13  }14})();15const browser = await chromium.launch({ acceptDownloads: true });16const context = await browser.newContext();17const page = await context.newPage();18const isUsingKoreanIME = await page.evaluate(() => window.isUsingKoreanIME());19await browser.close();Using AI Code Generation
1const { isUsingKoreanIME } = require('playwright-core/lib/server/chromium/crInputMethod.js');2console.log(isUsingKoreanIME({ type: 'compositionupdate', data: 'ㅎ' }));3const { isUsingKoreanIME } = require('playwright-core/lib/server/chromium/crInputMethod.js');4console.log(isUsingKoreanIME({ type: 'compositionupdate', data: 'ㅎ' }));5const { isUsingKoreanIME } = require('playwright-core/lib/server/chromium/crInputMethod.js');6console.log(isUsingKoreanIME({ type: 'compositionupdate', data: 'ㅎ' }));7const { isUsingKoreanIME } = require('playwright-core/lib/server/chromium/crInputMethod.js');8console.log(isUsingKoreanIME({ type: 'compositionupdate', data: 'ㅎ' }));9const { isUsingKoreanIME } = require('playwright-core/lib/server/chromium/crInputMethod.js');10console.log(isUsingKoreanIME({ type: 'compositionupdate', data: 'ㅎ' }));11const { isUsingKoreanIME } = require('playwright-core/lib/server/chromium/crInputMethod.js');12console.log(isUsingKoreanIME({ type: 'compositionupdate', data: 'ㅎ' }));13const { isUsingKoreanIME } = require('playwright-core/lib/server/chromium/crInputMethod.js');14console.log(isUsingKoreanIME({ type: 'compositionupdate', data: 'ㅎ' }));15const { isUsingKoreanIME } = require('playwright-core/lib/server/chromium/crInputMethod.js');16console.log(isUsingKoreanIME({ type: 'compositionupdate', data: 'ㅎ' }));17const { isUsingKoreanIME } =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.
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