Best JavaScript code snippet using playwright-internal
ReactHooks.js
Source: ReactHooks.js
...16} from 'shared/ReactTypes';17import ReactCurrentDispatcher from './ReactCurrentDispatcher';18type BasicStateAction<S> = (S => S) | S;19type Dispatch<A> = A => void;20function resolveDispatcher() {21 const dispatcher = ReactCurrentDispatcher.current;22 if (__DEV__) {23 if (dispatcher === null) {24 console.error(25 'Invalid hook call. Hooks can only be called inside of the body of a function component. This could happen for' +26 ' one of the following reasons:\n' +27 '1. You might have mismatching versions of React and the renderer (such as React DOM)\n' +28 '2. You might be breaking the Rules of Hooks\n' +29 '3. You might have more than one copy of React in the same app\n' +30 'See https://reactjs.org/link/invalid-hook-call for tips about how to debug and fix this problem.',31 );32 }33 }34 // Will result in a null access error if accessed outside render phase. We35 // intentionally don't throw our own error because this is in a hot path.36 // Also helps ensure this is inlined.37 return ((dispatcher: any): Dispatcher);38}39export function getCacheSignal(): AbortSignal {40 const dispatcher = resolveDispatcher();41 // $FlowFixMe This is unstable, thus optional42 return dispatcher.getCacheSignal();43}44export function getCacheForType<T>(resourceType: () => T): T {45 const dispatcher = resolveDispatcher();46 // $FlowFixMe This is unstable, thus optional47 return dispatcher.getCacheForType(resourceType);48}49export function useContext<T>(Context: ReactContext<T>): T {50 const dispatcher = resolveDispatcher();51 if (__DEV__) {52 // TODO: add a more generic warning for invalid values.53 if ((Context: any)._context !== undefined) {54 const realContext = (Context: any)._context;55 // Don't deduplicate because this legitimately causes bugs56 // and nobody should be using this in existing code.57 if (realContext.Consumer === Context) {58 console.error(59 'Calling useContext(Context.Consumer) is not supported, may cause bugs, and will be ' +60 'removed in a future major release. Did you mean to call useContext(Context) instead?',61 );62 } else if (realContext.Provider === Context) {63 console.error(64 'Calling useContext(Context.Provider) is not supported. ' +65 'Did you mean to call useContext(Context) instead?',66 );67 }68 }69 }70 return dispatcher.useContext(Context);71}72export function useState<S>(73 initialState: (() => S) | S,74): [S, Dispatch<BasicStateAction<S>>] {75 const dispatcher = resolveDispatcher();76 return dispatcher.useState(initialState);77}78export function useReducer<S, I, A>(79 reducer: (S, A) => S,80 initialArg: I,81 init?: I => S,82): [S, Dispatch<A>] {83 const dispatcher = resolveDispatcher();84 return dispatcher.useReducer(reducer, initialArg, init);85}86export function useRef<T>(initialValue: T): {|current: T|} {87 const dispatcher = resolveDispatcher();88 return dispatcher.useRef(initialValue);89}90export function useEffect(91 create: () => (() => void) | void,92 deps: Array<mixed> | void | null,93): void {94 const dispatcher = resolveDispatcher();95 return dispatcher.useEffect(create, deps);96}97export function useInsertionEffect(98 create: () => (() => void) | void,99 deps: Array<mixed> | void | null,100): void {101 const dispatcher = resolveDispatcher();102 return dispatcher.useInsertionEffect(create, deps);103}104export function useLayoutEffect(105 create: () => (() => void) | void,106 deps: Array<mixed> | void | null,107): void {108 const dispatcher = resolveDispatcher();109 return dispatcher.useLayoutEffect(create, deps);110}111export function useCallback<T>(112 callback: T,113 deps: Array<mixed> | void | null,114): T {115 const dispatcher = resolveDispatcher();116 return dispatcher.useCallback(callback, deps);117}118export function useMemo<T>(119 create: () => T,120 deps: Array<mixed> | void | null,121): T {122 const dispatcher = resolveDispatcher();123 return dispatcher.useMemo(create, deps);124}125export function useImperativeHandle<T>(126 ref: {|current: T | null|} | ((inst: T | null) => mixed) | null | void,127 create: () => T,128 deps: Array<mixed> | void | null,129): void {130 const dispatcher = resolveDispatcher();131 return dispatcher.useImperativeHandle(ref, create, deps);132}133export function useDebugValue<T>(134 value: T,135 formatterFn: ?(value: T) => mixed,136): void {137 if (__DEV__) {138 const dispatcher = resolveDispatcher();139 return dispatcher.useDebugValue(value, formatterFn);140 }141}142export const emptyObject = {};143export function useTransition(): [144 boolean,145 (callback: () => void, options?: StartTransitionOptions) => void,146] {147 const dispatcher = resolveDispatcher();148 return dispatcher.useTransition();149}150export function useDeferredValue<T>(value: T): T {151 const dispatcher = resolveDispatcher();152 return dispatcher.useDeferredValue(value);153}154export function useId(): string {155 const dispatcher = resolveDispatcher();156 return dispatcher.useId();157}158export function useMutableSource<Source, Snapshot>(159 source: MutableSource<Source>,160 getSnapshot: MutableSourceGetSnapshotFn<Source, Snapshot>,161 subscribe: MutableSourceSubscribeFn<Source, Snapshot>,162): Snapshot {163 const dispatcher = resolveDispatcher();164 return dispatcher.useMutableSource(source, getSnapshot, subscribe);165}166export function useSyncExternalStore<T>(167 subscribe: (() => void) => () => void,168 getSnapshot: () => T,169 getServerSnapshot?: () => T,170): T {171 const dispatcher = resolveDispatcher();172 return dispatcher.useSyncExternalStore(173 subscribe,174 getSnapshot,175 getServerSnapshot,176 );177}178export function useCacheRefresh(): <T>(?() => T, ?T) => void {179 const dispatcher = resolveDispatcher();180 // $FlowFixMe This is unstable, thus optional181 return dispatcher.useCacheRefresh();...
Using AI Code Generation
1const { resolveDispatcher } = require('@playwright/test/lib/dispatchers/dispatcher');2const { PageDispatcher } = require('@playwright/test/lib/dispatchers/pageDispatcher');3const { DispatcherConnection } = require('@playwright/test/lib/dispatchers/dispatcherConnection');4const { Dispatcher } = require('@playwright/test/lib/dispatchers/dispatcher');5const { Browser } = require('@playwright/test/lib/server/browser');6const { BrowserContext } = require('@playwright/test/lib/server/browserContext');7const { Page } = require('@playwright/test/lib/server/page');8const { FrameDispatcher } = require('@playwright/test/lib/dispatchers/frameDispatcher');9const { Frame } = require('@playwright/test/lib/server/frame');10const { chromium } = require('playwright');11(async () => {12 const browser = await chromium.launch();13 const context = await browser.newContext();14 const page = await context.newPage();15 const browserDispatcher = resolveDispatcher(await browser._initializer());16 const contextDispatcher = resolveDispatcher(await context._initializer());17 const pageDispatcher = resolveDispatcher(await page._initializer());18 const frameDispatcher = await pageDispatcher.mainFrame();19 const frame = await frameDispatcher._object();20 const pageFromFrame = await frame._page();21 const contextFromPage = await pageFromFrame._context();22 const browserFromContext = await contextFromPage._browser();23 const pageFromFrameDispatcher = await frameDispatcher.page();24 const contextFromPageDispatcher = await pageFromFrameDispatcher._context();25 const browserFromContextDispatcher = await contextFromPageDispatcher._browser();26 const pageFromBrowser = await browserFromContext._page(pageFromFrame._id);27 const contextFromBrowser = await browserFromContext._context(contextFromPage._id);28 const pageFromContext = await contextFromBrowser._page(pageFromFrame._id);29 const pageFromBrowserDispatcher = await browserFromContextDispatcher.page(pageFromFrame._id);30 const contextFromBrowserDispatcher = await browserFromContextDispatcher.context(contextFromPage._id);
Using AI Code Generation
1const { resolveDispatcher } = require('@playwright/test/lib/dispatchers/dispatcher');2const { PageDispatcher } = require('@playwright/test/lib/dispatchers/pageDispatcher');3const { Page } = require('playwright');4const page = await PageDispatcher.from(await context.newPage(), context);5const pageDispatcher = resolveDispatcher(page);6const pageObject = pageDispatcher._object;7const page = await PageDispatcher.from(await context.newPage(), context);8const pageDispatcher = resolveDispatcher(page);9const pageObject = pageDispatcher._object;10const page = await PageDispatcher.from(await context.newPage(), context);11const pageDispatcher = resolveDispatcher(page);12const pageObject = pageDispatcher._object;13const page = await PageDispatcher.from(await context.newPage(), context);14const pageDispatcher = resolveDispatcher(page);15const pageObject = pageDispatcher._object;16const page = await PageDispatcher.from(await context.newPage(), context);17const pageDispatcher = resolveDispatcher(page);18const pageObject = pageDispatcher._object;19const page = await PageDispatcher.from(await context.newPage(), context);20const pageDispatcher = resolveDispatcher(page);21const pageObject = pageDispatcher._object;22const page = await PageDispatcher.from(await context.newPage(), context);23const pageDispatcher = resolveDispatcher(page);24const pageObject = pageDispatcher._object;25const page = await PageDispatcher.from(await context.newPage(), context);26const pageDispatcher = resolveDispatcher(page);27const pageObject = pageDispatcher._object;28const page = await PageDispatcher.from(await context.newPage(), context);29const pageDispatcher = resolveDispatcher(page);30const pageObject = pageDispatcher._object;31const page = await PageDispatcher.from(await context.newPage(), context);32const pageDispatcher = resolveDispatcher(page);33const pageObject = pageDispatcher._object;
Using AI Code Generation
1const { resolveDispatcher } = require('playwright/lib/server/dispatchers/dispatcher');2const { DispatcherConnection } = require('playwright/lib/server/dispatcher');3const { PlaywrightDispatcher } = require('playwright/lib/server/dispatchers/playwrightDispatcher');4const playwright = require('playwright');5const playwrightDispatcher = new PlaywrightDispatcher(new DispatcherConnection(), playwright);6const browserTypeDispatcher = resolveDispatcher(playwrightDispatcher, { name: 'chromium' });7const browserDispatcher = await browserTypeDispatcher.launch({ headless: false });8const pageDispatcher = await browserDispatcher.newPage();9await pageDispatcher.screenshot({ path: 'google.png' });10const puppeteer = require('puppeteer');11const { resolveDispatcher } = require('puppeteer/lib/Connection');12const { CDPSession } = require('puppeteer/lib/Connection');13const { CDPSessionDispatcher } = require('puppeteer/lib/Connection');14const { Target } = require('puppeteer/lib/Connection');15const { TargetDispatcher } = require('puppeteer/lib/Connection');16const { Page } = require('puppeteer/lib/Connection');17const { PageDispatcher } = require('puppeteer/lib/Connection');18const { Browser } = require('puppeteer/lib/Connection');19const { BrowserDispatcher } = require('puppeteer/lib/Connection');20const { Protocol } = require('puppeteer/lib/Connection');21const { ProtocolDispatcher } = require('puppeteer/lib/Connection');22const { Connection } = require('puppeteer/lib/Connection');23const { ConnectionDispatcher } = require('puppeteer/lib/Connection');24const { DispatcherConnection } = require('puppeteer/lib/Connection');25const { Frame } = require('puppeteer/lib/Connection');26const { FrameDispatcher } = require('puppeteer/lib/Connection');27const connection = new Connection();28const connectionDispatcher = new ConnectionDispatcher(new DispatcherConnection(), connection);29const protocolDispatcher = new ProtocolDispatcher(new DispatcherConnection(), new Protocol(connection));30const browserDispatcher = new BrowserDispatcher(new DispatcherConnection(), new Browser(connection, '123', 'chromium', '1.2.3', 'Linux', 'en-US'));
Using AI Code Generation
1const { resolveDispatcher } = require('playwright/lib/server/dispatchers/dispatcher');2const { PageDispatcher } = require('playwright/lib/server/dispatchers/pageDispatcher');3const dispatcher = resolveDispatcher('page', 'page-1');4const page = dispatcher._object;5console.log(page);6const { chromium } = require('playwright');7(async () => {8 const browser = await chromium.launch();9 const context = await browser.newContext();10 const page = await context.newPage();11 await page.screenshot({ path: 'example.png' });12 await browser.close();13})();14const { resolveDispatcher } = require('playwright/lib/server/dispatchers/dispatcher');15const { PageDispatcher } = require('playwright/lib/server/dispatchers/pageDispatcher');16const dispatcher = resolveDispatcher('page', 'page-1');17const page = dispatcher._object;18console.log(page);19const { chromium } = require('playwright');20(async () => {21 const browser = await chromium.launch();22 const context = await browser.newContext();23 const page = await context.newPage();24 await page.screenshot({ path: 'example.png' });25 await browser.close();26})();27const { resolveDispatcher } = require('playwright/lib/server/dispatchers/dispatcher');28const { PageDispatcher } = require('playwright/lib/server/dispatchers/pageDispatcher');29const dispatcher = resolveDispatcher('page', 'page-1');30const page = dispatcher._object;31console.log(page);32const { chromium } = require('playwright');33(async () => {34 const browser = await chromium.launch();35 const context = await browser.newContext();36 const page = await context.newPage();37 await page.screenshot({ path: 'example.png' });38 await browser.close();39})();40const { resolveDispatcher } = require('
Using AI Code Generation
1const { resolveDispatcher } = require('@playwright/test/lib/server/dispatcher');2const dispatcher = resolveDispatcher('page');3console.log(dispatcher);4const { resolveDispatcher } = require('@playwright/test/lib/server/dispatcher');5const dispatcher = resolveDispatcher('page');6console.log(dispatcher);7import { resolveDispatcher } from '@playwright/test/lib/server/dispatcher';8const dispatcher = resolveDispatcher('page');9console.log(dispatcher);10import { resolveDispatcher } from '@playwright/test/lib/server/dispatcher';11const dispatcher = resolveDispatcher('page');12console.log(dispatcher);13import { resolveDispatcher } from '@playwright/test/lib/server/dispatcher';14const dispatcher = resolveDispatcher('page');15console.log(dispatcher);16const { resolveDispatcher } = require('@playwright/test/lib/server/dispatcher');17const dispatcher = resolveDispatcher('page');18console.log(dispatcher);19import { resolveDispatcher } from '@playwright/test/lib/server/dispatcher';20const dispatcher = resolveDispatcher('page');21console.log(dispatcher);22import { resolveDispatcher } from '@playwright/test/lib/server/dispatcher';23const dispatcher = resolveDispatcher('page');24console.log(dispatcher);25import { resolveDispatcher } from '@playwright/test/lib/server/dispatcher';26const dispatcher = resolveDispatcher('page');27console.log(dispatcher);28const { resolveDispatcher } = require('@playwright/test/lib/server/dispatcher');29const dispatcher = resolveDispatcher('page');30console.log(dispatcher);31import { resolveDispatcher } from '@playwright/test/lib/server/dispatcher';32const dispatcher = resolveDispatcher('page');
Using AI Code Generation
1const dispatcher = await page._delegate.resolveDispatcher(page._delegate);2const dispatcher = await page._delegate.resolveDispatcher(page._delegate);3const dispatcher = await page._delegate.resolveDispatcher(page._delegate);4const dispatcher = await page._delegate.resolveDispatcher(page._delegate);5const dispatcher = await page._delegate.resolveDispatcher(page._delegate);6const dispatcher = await page._delegate.resolveDispatcher(page._delegate);7const dispatcher = await page._delegate.resolveDispatcher(page._delegate);8const dispatcher = await page._delegate.resolveDispatcher(page._delegate);9const dispatcher = await page._delegate.resolveDispatcher(page._delegate);10const dispatcher = await page._delegate.resolveDispatcher(page._delegate);11const dispatcher = await page._delegate.resolveDispatcher(page._delegate);12const dispatcher = await page._delegate.resolveDispatcher(page._delegate);13const dispatcher = await page._delegate.resolveDispatcher(page._delegate);14const dispatcher = await page._delegate.resolveDispatcher(page._delegate);15const dispatcher = await page._delegate.resolveDispatcher(page._delegate);16const dispatcher = await page._delegate.resolveDispatcher(page._delegate);17const dispatcher = await page._delegate.resolveDispatcher(page._delegate);
Using AI Code Generation
1const { resolveDispatcher } = require('@playwright/test/lib/server/dispatcher');2const dispatcher = resolveDispatcher('page');3console.log(dispatcher);4const { resolveDispatcher } = require('@playwright/test/lib/server/dispatcher');5const dispatcher = resolveDispatcher('page');6console.log(dispatcher);7const { resolveDispatcher } = require('@playwright/test/lib/server/dispatcher');8const dispatcher = resolveDispatcher('browser');9console.log(dispatcher);10const { resolveDispatcher } = require('@playwright/test/lib/server/dispatcher');11const dispatcher = resolveDispatcher('context');12console.log(dispatcher);13const { resolveDispatcher } = require('@playwright/test/lib/server/dispatcher');14const dispatcher = resolveDispatcher('frame');15console.log(dispatcher);
Using AI Code Generation
1const { resolveDispatcher } = require('playwright/lib/server/dispatchers/dispatcher');2const dispatcher = resolveDispatcher('page');3console.log(dispatcher);4const { resolveDispatcher } = require('playwright/lib/server/dispatchers/dispatcher');5const dispatcher = resolveDispatcher('page');6console.log(dispatcher);7const { resolveDispatcher } = require('playwright/lib/server/dispatchers/dispatcher');8const dispatcher = resolveDispatcher('page');9console.log(dispatcher);10const cookies = await dispatcher.page.cookies();11console.log(cookies);12const { resolveDispatcher } = require('playwright/lib/server/dispatchers/dispatcher');13const dispatcher = resolveDispatcher('page');14console.log(dispatcher);15const cookies = await dispatcher.page.cookies();16console.log(cookies);
Jest + Playwright - Test callbacks of event-based DOM library
firefox browser does not start in playwright
Is it possible to get the selector from a locator object in playwright?
How to run a list of test suites in a single file concurrently in jest?
Running Playwright in Azure Function
firefox browser does not start in playwright
This question is quite close to a "need more focus" question. But let's try to give it some focus:
Does Playwright has access to the cPicker object on the page? Does it has access to the window object?
Yes, you can access both cPicker and the window object inside an evaluate call.
Should I trigger the events from the HTML file itself, and in the callbacks, print in the DOM the result, in some dummy-element, and then infer from that dummy element text that the callbacks fired?
Exactly, or you can assign values to a javascript variable:
const cPicker = new ColorPicker({
onClickOutside(e){
},
onInput(color){
window['color'] = color;
},
onChange(color){
window['result'] = color;
}
})
And then
it('Should call all callbacks with correct arguments', async() => {
await page.goto(`http://localhost:5000/tests/visual/basic.html`, {waitUntil:'load'})
// Wait until the next frame
await page.evaluate(() => new Promise(requestAnimationFrame))
// Act
// Assert
const result = await page.evaluate(() => window['color']);
// Check the value
})
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