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How to use updateDeferredValue method in Playwright Internal

Best JavaScript code snippet using playwright-internal

ReactFiberHooks.js

Source:ReactFiberHooks.js

...1642    },1643    useDeferredValue<T>(value: T, config: TimeoutConfig | void | null): T {1644      currentHookNameInDev = 'useDeferredValue';1645      updateHookTypesDev();1646      return updateDeferredValue(value, config);1647    },1648    useTransition(1649      config: SuspenseConfig | void | null,1650    ): [(() => void) => void, boolean] {1651      currentHookNameInDev = 'useTransition';1652      updateHookTypesDev();1653      return updateTransition(config);1654    },1655  };1656  HooksDispatcherOnRerenderInDEV = {1657    readContext<T>(1658      context: ReactContext<T>,1659      observedBits: void | number | boolean,1660    ): T {1661      return readContext(context, observedBits);1662    },1663    useCallback<T>(callback: T, deps: Array<mixed> | void | null): T {1664      currentHookNameInDev = 'useCallback';1665      updateHookTypesDev();1666      return updateCallback(callback, deps);1667    },1668    useContext<T>(1669      context: ReactContext<T>,1670      observedBits: void | number | boolean,1671    ): T {1672      currentHookNameInDev = 'useContext';1673      updateHookTypesDev();1674      return readContext(context, observedBits);1675    },1676    useEffect(1677      create: () => (() => void) | void,1678      deps: Array<mixed> | void | null,1679    ): void {1680      currentHookNameInDev = 'useEffect';1681      updateHookTypesDev();1682      return updateEffect(create, deps);1683    },1684    useImperativeHandle<T>(1685      ref: {|current: T | null|} | ((inst: T | null) => mixed) | null | void,1686      create: () => T,1687      deps: Array<mixed> | void | null,1688    ): void {1689      currentHookNameInDev = 'useImperativeHandle';1690      updateHookTypesDev();1691      return updateImperativeHandle(ref, create, deps);1692    },1693    useLayoutEffect(1694      create: () => (() => void) | void,1695      deps: Array<mixed> | void | null,1696    ): void {1697      currentHookNameInDev = 'useLayoutEffect';1698      updateHookTypesDev();1699      return updateLayoutEffect(create, deps);1700    },1701    useMemo<T>(create: () => T, deps: Array<mixed> | void | null): T {1702      currentHookNameInDev = 'useMemo';1703      updateHookTypesDev();1704      const prevDispatcher = ReactCurrentDispatcher.current;1705      ReactCurrentDispatcher.current = InvalidNestedHooksDispatcherOnRerenderInDEV;1706      try {1707        return updateMemo(create, deps);1708      } finally {1709        ReactCurrentDispatcher.current = prevDispatcher;1710      }1711    },1712    useReducer<S, I, A>(1713      reducer: (S, A) => S,1714      initialArg: I,1715      init?: I => S,1716    ): [S, Dispatch<A>] {1717      currentHookNameInDev = 'useReducer';1718      updateHookTypesDev();1719      const prevDispatcher = ReactCurrentDispatcher.current;1720      ReactCurrentDispatcher.current = InvalidNestedHooksDispatcherOnRerenderInDEV;1721      try {1722        return rerenderReducer(reducer, initialArg, init);1723      } finally {1724        ReactCurrentDispatcher.current = prevDispatcher;1725      }1726    },1727    useRef<T>(initialValue: T): {|current: T|} {1728      currentHookNameInDev = 'useRef';1729      updateHookTypesDev();1730      return updateRef(initialValue);1731    },1732    useState<S>(1733      initialState: (() => S) | S,1734    ): [S, Dispatch<BasicStateAction<S>>] {1735      currentHookNameInDev = 'useState';1736      updateHookTypesDev();1737      const prevDispatcher = ReactCurrentDispatcher.current;1738      ReactCurrentDispatcher.current = InvalidNestedHooksDispatcherOnRerenderInDEV;1739      try {1740        return rerenderState(initialState);1741      } finally {1742        ReactCurrentDispatcher.current = prevDispatcher;1743      }1744    },1745    useDebugValue<T>(value: T, formatterFn: ?(value: T) => mixed): void {1746      currentHookNameInDev = 'useDebugValue';1747      updateHookTypesDev();1748      return updateDebugValue(value, formatterFn);1749    },1750    useResponder<E, C>(1751      responder: ReactEventResponder<E, C>,1752      props,1753    ): ReactEventResponderListener<E, C> {1754      currentHookNameInDev = 'useResponder';1755      updateHookTypesDev();1756      return createDeprecatedResponderListener(responder, props);1757    },1758    useDeferredValue<T>(value: T, config: TimeoutConfig | void | null): T {1759      currentHookNameInDev = 'useDeferredValue';1760      updateHookTypesDev();1761      return rerenderDeferredValue(value, config);1762    },1763    useTransition(1764      config: SuspenseConfig | void | null,1765    ): [(() => void) => void, boolean] {1766      currentHookNameInDev = 'useTransition';1767      updateHookTypesDev();1768      return rerenderTransition(config);1769    },1770  };1771  InvalidNestedHooksDispatcherOnMountInDEV = {1772    readContext<T>(1773      context: ReactContext<T>,1774      observedBits: void | number | boolean,1775    ): T {1776      warnInvalidContextAccess();1777      return readContext(context, observedBits);1778    },1779    useCallback<T>(callback: T, deps: Array<mixed> | void | null): T {1780      currentHookNameInDev = 'useCallback';1781      warnInvalidHookAccess();1782      mountHookTypesDev();1783      return mountCallback(callback, deps);1784    },1785    useContext<T>(1786      context: ReactContext<T>,1787      observedBits: void | number | boolean,1788    ): T {1789      currentHookNameInDev = 'useContext';1790      warnInvalidHookAccess();1791      mountHookTypesDev();1792      return readContext(context, observedBits);1793    },1794    useEffect(1795      create: () => (() => void) | void,1796      deps: Array<mixed> | void | null,1797    ): void {1798      currentHookNameInDev = 'useEffect';1799      warnInvalidHookAccess();1800      mountHookTypesDev();1801      return mountEffect(create, deps);1802    },1803    useImperativeHandle<T>(1804      ref: {|current: T | null|} | ((inst: T | null) => mixed) | null | void,1805      create: () => T,1806      deps: Array<mixed> | void | null,1807    ): void {1808      currentHookNameInDev = 'useImperativeHandle';1809      warnInvalidHookAccess();1810      mountHookTypesDev();1811      return mountImperativeHandle(ref, create, deps);1812    },1813    useLayoutEffect(1814      create: () => (() => void) | void,1815      deps: Array<mixed> | void | null,1816    ): void {1817      currentHookNameInDev = 'useLayoutEffect';1818      warnInvalidHookAccess();1819      mountHookTypesDev();1820      return mountLayoutEffect(create, deps);1821    },1822    useMemo<T>(create: () => T, deps: Array<mixed> | void | null): T {1823      currentHookNameInDev = 'useMemo';1824      warnInvalidHookAccess();1825      mountHookTypesDev();1826      const prevDispatcher = ReactCurrentDispatcher.current;1827      ReactCurrentDispatcher.current = InvalidNestedHooksDispatcherOnMountInDEV;1828      try {1829        return mountMemo(create, deps);1830      } finally {1831        ReactCurrentDispatcher.current = prevDispatcher;1832      }1833    },1834    useReducer<S, I, A>(1835      reducer: (S, A) => S,1836      initialArg: I,1837      init?: I => S,1838    ): [S, Dispatch<A>] {1839      currentHookNameInDev = 'useReducer';1840      warnInvalidHookAccess();1841      mountHookTypesDev();1842      const prevDispatcher = ReactCurrentDispatcher.current;1843      ReactCurrentDispatcher.current = InvalidNestedHooksDispatcherOnMountInDEV;1844      try {1845        return mountReducer(reducer, initialArg, init);1846      } finally {1847        ReactCurrentDispatcher.current = prevDispatcher;1848      }1849    },1850    useRef<T>(initialValue: T): {|current: T|} {1851      currentHookNameInDev = 'useRef';1852      warnInvalidHookAccess();1853      mountHookTypesDev();1854      return mountRef(initialValue);1855    },1856    useState<S>(1857      initialState: (() => S) | S,1858    ): [S, Dispatch<BasicStateAction<S>>] {1859      currentHookNameInDev = 'useState';1860      warnInvalidHookAccess();1861      mountHookTypesDev();1862      const prevDispatcher = ReactCurrentDispatcher.current;1863      ReactCurrentDispatcher.current = InvalidNestedHooksDispatcherOnMountInDEV;1864      try {1865        return mountState(initialState);1866      } finally {1867        ReactCurrentDispatcher.current = prevDispatcher;1868      }1869    },1870    useDebugValue<T>(value: T, formatterFn: ?(value: T) => mixed): void {1871      currentHookNameInDev = 'useDebugValue';1872      warnInvalidHookAccess();1873      mountHookTypesDev();1874      return mountDebugValue(value, formatterFn);1875    },1876    useResponder<E, C>(1877      responder: ReactEventResponder<E, C>,1878      props,1879    ): ReactEventResponderListener<E, C> {1880      currentHookNameInDev = 'useResponder';1881      warnInvalidHookAccess();1882      mountHookTypesDev();1883      return createDeprecatedResponderListener(responder, props);1884    },1885    useDeferredValue<T>(value: T, config: TimeoutConfig | void | null): T {1886      currentHookNameInDev = 'useDeferredValue';1887      warnInvalidHookAccess();1888      mountHookTypesDev();1889      return mountDeferredValue(value, config);1890    },1891    useTransition(1892      config: SuspenseConfig | void | null,1893    ): [(() => void) => void, boolean] {1894      currentHookNameInDev = 'useTransition';1895      warnInvalidHookAccess();1896      mountHookTypesDev();1897      return mountTransition(config);1898    },1899  };1900  InvalidNestedHooksDispatcherOnUpdateInDEV = {1901    readContext<T>(1902      context: ReactContext<T>,1903      observedBits: void | number | boolean,1904    ): T {1905      warnInvalidContextAccess();1906      return readContext(context, observedBits);1907    },1908    useCallback<T>(callback: T, deps: Array<mixed> | void | null): T {1909      currentHookNameInDev = 'useCallback';1910      warnInvalidHookAccess();1911      updateHookTypesDev();1912      return updateCallback(callback, deps);1913    },1914    useContext<T>(1915      context: ReactContext<T>,1916      observedBits: void | number | boolean,1917    ): T {1918      currentHookNameInDev = 'useContext';1919      warnInvalidHookAccess();1920      updateHookTypesDev();1921      return readContext(context, observedBits);1922    },1923    useEffect(1924      create: () => (() => void) | void,1925      deps: Array<mixed> | void | null,1926    ): void {1927      currentHookNameInDev = 'useEffect';1928      warnInvalidHookAccess();1929      updateHookTypesDev();1930      return updateEffect(create, deps);1931    },1932    useImperativeHandle<T>(1933      ref: {|current: T | null|} | ((inst: T | null) => mixed) | null | void,1934      create: () => T,1935      deps: Array<mixed> | void | null,1936    ): void {1937      currentHookNameInDev = 'useImperativeHandle';1938      warnInvalidHookAccess();1939      updateHookTypesDev();1940      return updateImperativeHandle(ref, create, deps);1941    },1942    useLayoutEffect(1943      create: () => (() => void) | void,1944      deps: Array<mixed> | void | null,1945    ): void {1946      currentHookNameInDev = 'useLayoutEffect';1947      warnInvalidHookAccess();1948      updateHookTypesDev();1949      return updateLayoutEffect(create, deps);1950    },1951    useMemo<T>(create: () => T, deps: Array<mixed> | void | null): T {1952      currentHookNameInDev = 'useMemo';1953      warnInvalidHookAccess();1954      updateHookTypesDev();1955      const prevDispatcher = ReactCurrentDispatcher.current;1956      ReactCurrentDispatcher.current = InvalidNestedHooksDispatcherOnUpdateInDEV;1957      try {1958        return updateMemo(create, deps);1959      } finally {1960        ReactCurrentDispatcher.current = prevDispatcher;1961      }1962    },1963    useReducer<S, I, A>(1964      reducer: (S, A) => S,1965      initialArg: I,1966      init?: I => S,1967    ): [S, Dispatch<A>] {1968      currentHookNameInDev = 'useReducer';1969      warnInvalidHookAccess();1970      updateHookTypesDev();1971      const prevDispatcher = ReactCurrentDispatcher.current;1972      ReactCurrentDispatcher.current = InvalidNestedHooksDispatcherOnUpdateInDEV;1973      try {1974        return updateReducer(reducer, initialArg, init);1975      } finally {1976        ReactCurrentDispatcher.current = prevDispatcher;1977      }1978    },1979    useRef<T>(initialValue: T): {|current: T|} {1980      currentHookNameInDev = 'useRef';1981      warnInvalidHookAccess();1982      updateHookTypesDev();1983      return updateRef(initialValue);1984    },1985    useState<S>(1986      initialState: (() => S) | S,1987    ): [S, Dispatch<BasicStateAction<S>>] {1988      currentHookNameInDev = 'useState';1989      warnInvalidHookAccess();1990      updateHookTypesDev();1991      const prevDispatcher = ReactCurrentDispatcher.current;1992      ReactCurrentDispatcher.current = InvalidNestedHooksDispatcherOnUpdateInDEV;1993      try {1994        return updateState(initialState);1995      } finally {1996        ReactCurrentDispatcher.current = prevDispatcher;1997      }1998    },1999    useDebugValue<T>(value: T, formatterFn: ?(value: T) => mixed): void {2000      currentHookNameInDev = 'useDebugValue';2001      warnInvalidHookAccess();2002      updateHookTypesDev();2003      return updateDebugValue(value, formatterFn);2004    },2005    useResponder<E, C>(2006      responder: ReactEventResponder<E, C>,2007      props,2008    ): ReactEventResponderListener<E, C> {2009      currentHookNameInDev = 'useResponder';2010      warnInvalidHookAccess();2011      updateHookTypesDev();2012      return createDeprecatedResponderListener(responder, props);2013    },2014    useDeferredValue<T>(value: T, config: TimeoutConfig | void | null): T {2015      currentHookNameInDev = 'useDeferredValue';2016      warnInvalidHookAccess();2017      updateHookTypesDev();2018      return updateDeferredValue(value, config);2019    },2020    useTransition(2021      config: SuspenseConfig | void | null,2022    ): [(() => void) => void, boolean] {2023      currentHookNameInDev = 'useTransition';2024      warnInvalidHookAccess();2025      updateHookTypesDev();2026      return updateTransition(config);2027    },2028  };2029  InvalidNestedHooksDispatcherOnRerenderInDEV = {2030    readContext<T>(2031      context: ReactContext<T>,2032      observedBits: void | number | boolean,...

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 input = await page.$('input');7  await input.evaluateHandle(input => input.updateDeferredValue('test'));8  await page.screenshot({ path: `example.png` });9  await browser.close();10})();11[MIT](LICENSE)

Using AI Code Generation

1const { chromium } = require('playwright');2(async () => {3  const browser = await chromium.launch({ headless: false });4  const page = await browser.newPage();5  await page.type('input[title="Search"]', 'Playwright');6  await page.click('input[title="Search"]');7  await page.waitForSelector('text=Playwright: Node.js library to automate the Chromium browser');8  await page.click('text=Playwright: Node.js library to automate the Chromium browser');9  await page.waitForSelector('text=Playwright is a Node.js library to automate Chromium, Firefox and WebKit with a single API. Playwright is built to enable cross-browser web automation that is ever-green, capable, reliable and fast.');10  await page.setViewportSize({ width: 1280, height: 720 });11  await page.setViewportSize({ width: 1280, height: 720, deviceScaleFactor: 2 });12  await page.setViewportSize({ width: 1280, height: 720, isMobile: true, hasTouch: true });13  await page.setViewportSize({ width: 1280, height: 720 });14  await page.setViewportSize({ width: 1280, height: 720, deviceScaleFactor: 2 });15  await page.setViewportSize({ width: 1280, height: 720, isMobile: true, hasTouch: true });16  await page.setViewportSize({ width: 1280, height: 720 });17  await page.setViewportSize({ width: 1280, height: 720, deviceScaleFactor: 2 });18  await page.setViewportSize({ width: 1280, height: 720, isMobile: true, hasTouch: true });19  await page.setViewportSize({ width: 1280, height: 720 });

Using AI Code Generation

1const { updateDeferredValue } = require('playwright/lib/server/browserContext');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 deferred = updateDeferredValue();8  page.on('dialog', async (dialog) => {9    console.log(dialog.message());10    await dialog.accept(deferred.value);11  });12  await page.evaluate(() => alert('test'));13  await deferred.resolve('hello');14  await page.close();15  await context.close();16  await browser.close();17})();18const { chromium } = require('playwright');19(async () => {20  const browser = await chromium.launch();21  const context = await browser.newContext();22  const page = await context.newPage();23  const deferred = page.evaluateHandle(() => {24    return new Promise((resolve) => {25      window.resolve = resolve;26    });27  });28  page.on('dialog', async (dialog) => {29    console.log(dialog.message());30    await dialog.accept(await deferred);31  });32  await page.evaluate(() => alert('test'));33  await page.evaluate(() => window.resolve('hello'));34  await page.close();35  await context.close();36  await browser.close();37})();38const { chromium } = require('playwright');39(async () => {40  const browser = await chromium.launch();41  const context = await browser.newContext();42  const page = await context.newPage();43  const deferred = page.evaluate(() => {44    return new Promise((resolve) => {45      window.resolve = resolve;46    });47  });48  page.on('dialog', async (dialog) => {49    console.log(dialog.message());50    await dialog.accept(await deferred);51  });52  await page.evaluate(() => alert('test'));53  await page.evaluate(() => window.resolve('hello'));54  await page.close();55  await context.close();56  await browser.close();57})();58const { chromium } = require('playwright');59(async () => {60  const browser = await chromium.launch();61  const context = await browser.newContext();

Using AI Code Generation

1const { chromium } = require('playwright');2(async () => {3  const browser = await chromium.launch({ headless: false });4  const page = await browser.newPage();5  const internalAPI = page.context()._browserContext;6  internalAPI.updateDeferredValue('google');7  await page.type('input[name="q"]', 'google');8  await page.waitForSelector('input[name="btnK"]');9  await page.click('input[name="btnK"]');10  await page.waitForSelector('h3');11  await browser.close();12})();

Using AI Code Generation

1const { test, expect } = require('@playwright/test');2test('test', async ({ page }) => {3  await page.evaluate(() => {4    const element = document.querySelector('input');5    const value = 'Hello World!';6    element.value = value;7    element.dispatchEvent(new Event('input', { bubbles: true }));8    element.dispatchEvent(new Event('change', { bubbles: true }));9    window.playwright.updateDeferredValue(element, value);10  });11  const value = await page.$eval('input', input => input.value);12  expect(value).toBe('Hello World!');13});14### `updateDeferredValue(element: ElementHandle, value: string)`15### `updateDeferredValue(element: ElementHandle, value: string, options: { noChangeEvent: boolean })`

Using AI Code Generation

1const {  updateDeferredVale } = require('playwright/lib/client/deferred');2const { getTestStatu e } = require('playwright/l/test/state');3const { test } = require('@playwrightitest');4test('test', async ({ page }) => {5    const testInfo = getTestState().testInfo;6    await updateDef/credValue(testInfo, 'myValue', 'myValue');7});8const { test } = require('@playwright/test');9test('test', async ({ page, testInfo }) => {10    testInf/.result = 'passed';11});12const { test } = require('@playwright/test');13test('test', async ({ page }) => {14}fe15test.afterAll(async () => {rred');16});17const { test } = require('@playwright/test');18test('test', async ({ page, testInfo }) => {19    testInfo.result = 'passed';20});21test.afterAll(async ({ testInfo }) => {22    console.log(testInfo.result);23});24const { test } = require('@playwright/test');25test.beforeAll(async () => {26});27test('

Using AI Code Generation

1    await updateDeferredValue(testInfo, 'myValue', 'myValue');2});3const { test } = require('@playwright/test');4test('test', async ({ page, testInfo }) => {5    testInfo.result = 'passed';6});7const { test } = require('@playwright/test');8test('test', async ({ page }) => {9});10test.afterAll(async () => {11});12const { test } = require('@playwright/test');13test('test', async ({ page, testInfo }) => {14    testInfo.result = 'passed';15});16test.afterAll(async ({ testInfo }) => {17    console.log(testInfo.result);18});19const { test } = require('@playwright/test');20test.beforeAll(async () => {21});22test('

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.

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