Test your AI Agents with the all-new Agent to Agent Testing Platform.Learn More
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.
Chapters:
- What is Playwright : Playwright is comparatively new but has gained good popularity. Get to know some history of the Playwright with some interesting facts connected with it.
- How To Install Playwright : Learn in detail about what basic configuration and dependencies are required for installing Playwright and run a test. Get a step-by-step direction for installing the Playwright automation framework.
- Playwright Futuristic Features: Launched in 2020, Playwright gained huge popularity quickly because of some obliging features such as Playwright Test Generator and Inspector, Playwright Reporter, Playwright auto-waiting mechanism and etc. Read up on those features to master Playwright testing.
- What is Component Testing: Component testing in Playwright is a unique feature that allows a tester to test a single component of a web application without integrating them with other elements. Learn how to perform Component testing on the Playwright automation framework.
- Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
- Functions and Selectors in Playwright: Learn how to launch the Chromium browser with Playwright. Also, gain a better understanding of some important functions like “BrowserContext,” which allows you to run multiple browser sessions, and “newPage” which interacts with a page.
- Handling Alerts and Dropdowns in Playwright : Playwright interact with different types of alerts and pop-ups, such as simple, confirmation, and prompt, and different types of dropdowns, such as single selector and multi-selector get your hands-on with handling alerts and dropdown in Playright testing.
- Playwright vs Puppeteer: Get to know about the difference between two testing frameworks and how they are different than one another, which browsers they support, and what features they provide.
- Run Playwright Tests on LambdaTest: Playwright testing with LambdaTest leverages test performance to the utmost. You can run multiple Playwright tests in Parallel with the LammbdaTest test cloud. Get a step-by-step guide to run your Playwright test on the LambdaTest platform.
- Playwright Python Tutorial: Playwright automation framework support all major languages such as Python, JavaScript, TypeScript, .NET and etc. However, there are various advantages to Python end-to-end testing with Playwright because of its versatile utility. Get the hang of Playwright python testing with this chapter.
- Playwright End To End Testing Tutorial: Get your hands on with Playwright end-to-end testing and learn to use some exciting features such as TraceViewer, Debugging, Networking, Component testing, Visual testing, and many more.
- Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.
Run Playwright Internal automation tests on LambdaTest cloud grid
Perform automation testing on 3000+ real desktop and mobile devices online.
Try LambdaTest Now !!
Get 100 minutes of automation test minutes FREE!!
Was this article helpful?
