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How to use areHookInputsEqual method in Playwright Internal
Best JavaScript code snippet using playwright-internal
ReactPartialRendererHooks.js
Source:ReactPartialRendererHooks.js 
...215 workInProgressHook.memoizedState !== null216 ) {217 const prevState = workInProgressHook.memoizedState;218 const prevInputs = prevState[1];219 if (areHookInputsEqual(nextInputs, prevInputs)) {220 return prevState[0];221 }222 }223 const nextValue = nextCreate();224 workInProgressHook.memoizedState = [nextValue, nextInputs];225 return nextValue;226}227function useRef<T>(initialValue: T): {current: T} {228 currentlyRenderingComponent = resolveCurrentlyRenderingComponent();229 workInProgressHook = createWorkInProgressHook();230 const previousRef = workInProgressHook.memoizedState;231 if (previousRef === null) {232 const ref = {current: initialValue};233 if (__DEV__) {...
dispatcher.js
Source: dispatcher.js
...52 let nextInputs = Array.isArray(deps) ? deps : [create];53 let prevState = updateQueue[key];54 if (prevState) {55 let prevInputs = prevState[1];56 if (areHookInputsEqual(nextInputs, prevInputs)) {57 return prevState[0];58 }59 }60 let value = isMemo ? create() : create;61 updateQueue[key] = [value, nextInputs];62 return value;63 },64 useRef(initValue) {//ok65 let fiber = getCurrentFiber();66 let key = getCurrentKey();67 let updateQueue = fiber.updateQueue;68 if (key in updateQueue) {69 return updateQueue[key];70 }71 return updateQueue[key] = { current: initValue };72 },73 useEffect(create, deps, EffectTag, createList, destoryList) {//ok74 let fiber = getCurrentFiber();75 let cb = dispatcher.useCallbackOrMemo(create, deps);76 if (fiber.effectTag % EffectTag) {77 fiber.effectTag *= EffectTag;78 }79 let updateQueue = fiber.updateQueue;80 let list = updateQueue[createList] || (updateQueue[createList] = []);81 updateQueue[destoryList] || (updateQueue[destoryList] = []);82 list.push(cb);83 },84 useImperativeHandle(ref, create, deps) {85 const nextInputs = Array.isArray(deps) ? deps.concat([ref])86 : [ref, create];87 dispatcher.useEffect(() => {88 if (typeof ref === 'function') {89 const refCallback = ref;90 const inst = create();91 refCallback(inst);92 return () => refCallback(null);93 } else if (ref !== null && ref !== undefined) {94 const refObject = ref;95 const inst = create();96 refObject.current = inst;97 return () => {98 refObject.current = null;99 };100 }101 }, nextInputs);102 }103};104function getCurrentFiber() {105 return get(Renderer.currentOwner);106}107function areHookInputsEqual(arr1, arr2) {108 for (var i = 0; i < arr1.length; i++) {109 if (Object.is(arr1[i], arr2[i])) {110 continue;111 }112 return false;113 }114 return true;...
index.js
Source:index.js
...44 if (prevState !== null) {45 // Assume these are defined. If they're not, areHookInputsEqual will warn.46 if (nextDeps !== null) {47 var prevDeps = prevState[1];48 if (areHookInputsEqual(nextDeps, prevDeps)) {49 return prevState[0];50 }51 }52 }53 var nextValue = nextCreate();54 hook.memoizedState = [nextValue, nextDeps];55 return nextValue;56 }57 */58function App() {59 const [name, setName] = React.useState('å称');60 const [content, setContent] = React.useState('å
容');61 return (62 <div className="section" data-title="11 hooks: useMemo">...
hooks.js
Source:hooks.js
...78 if (currentHook) {79 const prevEffect = currentHook.memoizedState;80 if (deps) {81 const prevDeps = prevEffect.deps;82 if (areHookInputsEqual(deps, prevDeps)) {83 return;84 }85 }86 }87 hook.memoizedState = effect;88 if (hookFlag & HookPassive) {89 currentlyRenderingFiber.updateQueueOfEffect.push(effect);90 } else if (hookFlag & HookLayout) {91 currentlyRenderingFiber.updateQueueOfLayout.push(effect);92 }...
useCallback&useMemo.js
Source:useCallback&useMemo.js
...25 if (prevState !== null) {26 if (nextDeps !== null) {27 const prevDeps = prevState[1];28 // 对äºä¸¤ä¸ªä¾èµé¡¹è¿è¡æ¯è¾ï¼è¿éçå®è´¨ä¸æ¯ä¸ä¸ªæµ
æ¯è¾ãObject.is()29 if (areHookInputsEqual(nextDeps, prevDeps)) {30 return prevState[0];31 }32 }33 }34 // åupdateMemo()çå¯ä¸åºå«å°±æ¯æ¯å¦ä¼å¯¹ä¼ å
¥çå½æ°è¿è¡è°ç¨ã35 hook.memoizedState = [callback, nextDeps];36 return callback;37}38function updateMemo(nextCreate, deps) {39 const hook = updateWorkInProgressHook();40 const nextDeps = deps === undefined ? null : deps;41 const prevState = hook.memoizedState;42 if (prevState !== null) {43 if (nextDeps !== null) {44 const prevDeps = prevState[1];45 if (areHookInputsEqual(nextDeps, prevDeps)) {46 return prevState[0];47 }48 }49 }50 const nextValue = nextCreate();51 hook.memoizedState = [nextValue, nextDeps];52 return nextValue;...
UseEffectDemo.js
Source:UseEffectDemo.js
...38 depIndex++;39 return;40 }41 let prevDeps = depsArray[_depIndex];42 let hasChanged = !!!areHookInputsEqual(prevDeps, newDeps);43 if (hasChanged) {44 //æåå45 callback();46 depsArray[_depIndex] = newDeps;47 }48 depIndex++;49 };50 useEffect(() => {51 console.log("countåçäºåå");52 }, [count]);53 useEffect(() => {54 console.log("nameåçäºåå");55 },[]);56 /******* useEffect end ***********/...
useStableMemo.js
Source: useStableMemo.js
1import { useRef } from 'react';2import areHookInputsEqual from './areHookInputsEqual';3import { shallowEqual, deepEqual } from '@twipped/utils';4/**5 * Identical to `useMemo` _except_ that it provides a semantic guarantee that6 * values will not be invalidated unless the dependencies change. This is unlike7 * the built in `useMemo` which may discard memoized values for performance reasons.8 *9 * @param factory A function that returns a value to be memoized10 * @param deps A dependency array11 */12export default function useStableMemo (factory, deps, comparison = areHookInputsEqual) {13 if (comparison === false) comparison = shallowEqual;14 if (comparison === true) comparison = deepEqual;15 let isValid = true;16 const valueRef = useRef();17 if (valueRef.current) {18 isValid = !deps || !!(19 deps &&20 valueRef.current.deps &&21 comparison(deps, valueRef.current.deps)22 );23 } else {24 valueRef.current = {25 deps,26 result: factory(),27 };28 }29 const cache = isValid ? valueRef.current : { deps, result: factory() };30 // must update immediately so any sync renders here don't cause an infinite loop31 valueRef.current = cache;32 return cache.result;...
useChildren.js
Source: useChildren.js
...23 if (valueRef.current) {24 isValid = !!(25 deps &&26 valueRef.current.deps &&27 areHookInputsEqual(deps, valueRef.current.deps)28 );29 } else {30 valueRef.current = {31 deps,32 result: factory(),33 };34 }35 const cache = isValid ? valueRef.current : { deps, result: factory() };36 // must update immediately so any sync renders here don't cause an infinite loop37 valueRef.current = cache;38 return cache.result;...
Using AI Code Generation
1const { areHookInputsEqual } = require('playwright-core/lib/utils/utils');2const { chromium } = require('playwright-core');3(async () => {4 const browser = await chromium.launch();5 const context = await browser.newContext();6 const page = await context.newPage();7 const input1 = await page.$('input');8 const input2 = await page.$('input');9 console.log(areHookInputsEqual(input1, input2));10 await browser.close();11})();
Using AI Code Generation
1const { areHookInputsEqual } = require('playwright/lib/utils/utils');2const { areHookInputsEqual } = require('playwright/lib/utils/utils');3const { chromium } = require('playwright');4(async () => {5 const browser = await chromium.launch();6 const context = await browser.newContext();7 const page = await context.newPage();8 await page.screenshot({ path: `example.png` });9 await browser.close();10})();11const { chromium } = require('playwright');12(async () => {13 const browser = await chromium.launch();14 const context = await browser.newContext();15 const page = await context.newPage();16 await page.screenshot({ path: `example.png` });17 await browser.close();18})();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 { chromium } = require('playwright');28(async () => {29 const browser = await chromium.launch();30 const context = await browser.newContext();31 const page = await context.newPage();32 await page.screenshot({ path: `example.png` });33 await browser.close();34})();35const { chromium } = require('playwright');36(async () => {37 const browser = await chromium.launch();38 const context = await browser.newContext();39 const page = await context.newPage();40 await page.screenshot({ path: `example.png` });41 await browser.close();42})();43const { chromium } = require('playwright');44(async () => {45 const browser = await chromium.launch();46 const context = await browser.newContext();47 const page = await context.newPage();48 await page.screenshot({ path: `example.png` });49 await browser.close();50})();
Using AI Code Generation
1const { InternalAPI } = require('@playwright/test');2console.log(InternalAPI.areHookInputsEqual([1,2,3], [1,2,3]));3console.log(InternalAPI.areHookInputsEqual([1,2,3], [1,2,3,4]));4console.log(InternalAPI.areHookInputsEqual([1,2,3,4], [1,2,3]));5console.log(InternalAPI.areHookInputsEqual([1,2,3], [1,2,4]));6console.log(InternalAPI.areHookInputsEqual({a:1, b:2}, {a:1, b:2}));7console.log(InternalAPI.areHookInputsEqual({a:1, b:2}, {a:1, b:2, c:3}));8console.log(InternalAPI.areHookInputsEqual({a:1, b:2, c:3}, {a:1, b:2}));9console.log(InternalAPI.areHookInputsEqual({a:1, b:2}, {a:1, b:3}));10console.log(InternalAPI.areHookInputsEqual({a:1, b:2}, {a:1, b:3, c:4}));11console.log(InternalAPI.areHookInputsEqual({a:1, b:2, c:4}, {a:1, b:3}));12console.log(InternalAPI.areHookInputsEqual({a:1, b:2}, {a:1, b:3, c:4}));13console.log(InternalAPI.areHookInputsEqual({a:1, b:2, c:4}, {a:1, b:3, c:4}));14console.log(InternalAPI.areHookInputsEqual({a:1, b:2, c:4}, {a:1, b:3, c:5}));
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.$('input[name="q"]');7 await input.fill('Hello World!');8 const input2 = await page.$('input[name="q"]');9 await input2.fill('Hello World!');10 const internal = page._delegate._page;11 const areEqual = await internal.areHookInputsEqual(12 );13 console.log(areEqual);14 await browser.close();15})();
Using AI Code Generation
1const { areHookInputsEqual } = require('@playwright/test/lib/test');2const { test } = require('@playwright/test');3test('test', async ({ page }) => {4});5const { areHookInputsEqual } = require('@playwright/test/lib/test');6const { test } = require('@playwright/test');7test('test', async ({ page }) => {8});9const { areHookInputsEqual } = require('@playwright/test/lib/test');10const { test } = require('@playwright/test');11test('test', async ({ page }) => {12});13const { areHookInputsEqual } = require('@playwright/test/lib/test');14const { test } = require('@playwright/test');15test('test', async ({ page }) => {16});17const { areHookInputsEqual } = require('@playwright/test/lib/test');18const { test } = require('@playwright/test');19test('test', async ({ page }) => {20});21const { areHookInputsEqual } = require('@playwright/test/lib/test');22const { test } = require('@playwright/test');23test('test', async ({ page }) => {24});25const { areHookInputsEqual } = require('@playwright/test/lib/test');26const { test } = require('@playwright/test');27test('test', async ({ page }) => {28});29const { areHookInputsEqual } = require('@playwright/test/lib/test');30const { test } = require('@playwright/test');31test('test', async ({ page }) => {32});
Using AI Code Generation
1const { areHookInputsEqual } = require('playwright-core/lib/server/frames');2const { Frame } = require('playwright-core/lib/server/frames');3const frame = new Frame();4const obj1 = {a: 1, b: 2}5const obj2 = {a: 1, b: 2}6const isEqual = areHookInputsEqual(obj1, obj2);7const obj3 = {a: 1, b: 2}8const obj4 = {a: 2, b: 2}9const isEqual2 = areHookInputsEqual(obj3, obj4);10const obj5 = {a: 1, b: 2}11const obj6 = {a: 1, b: 2, c: 3}12const isEqual3 = areHookInputsEqual(obj5, obj6);13const obj7 = {a: 1, b: 2}14const obj8 = {a: 1, b: 2, c: 3}15const isEqual4 = areHookInputsEqual(obj7, obj8);16const obj9 = {a: 1, b: 2}17const obj10 = {a: 1, b: 2, c: 3}18const isEqual5 = areHookInputsEqual(obj9, obj10);19const obj11 = {a: 1, b: 2, c: 3}20const obj12 = {a: 1, b: 2}
Using AI Code Generation
1const { TestWatcher } = require('@jest/core');2const { areHookInputsEqual } = require('playwright-core/lib/utils/utils');3const { test } = require('@jest/globals');4test('should check if hook inputs are equal', () => {5 const hook1 = {6 {7 },8 {9 },10 };11 const hook2 = {12 {13 },14 {15 },16 };17 const hook3 = {18 {19 },20 {21 },22 };23 expect(areHookInputsEqual(hook1, hook2)).toBe(true);24 expect(areHookInputsEqual(hook1, hook3)).toBe(false);25});
StackOverFlow community discussions
Questions
Discussion
How to run a list of test suites in a single file concurrently in jest?
Running Playwright in Azure Function
Is it possible to get the selector from a locator object in playwright?
Jest + Playwright - Test callbacks of event-based DOM library
firefox browser does not start in playwright
firefox browser does not start in playwright
Assuming you are not running test with the --runinband flag, the simple answer is yes but it depends ????
There is a pretty comprehensive GitHub issue jest#6957 that explains certain cases of when tests are run concurrently or in parallel. But it seems to depend on a lot of edge cases where jest tries its best to determine the fastest way to run the tests given the circumstances.
To my knowledge there is no way to force jest to run in parallel.
Aside
Have you considered using playwright instead of puppeteer with jest? Playwright has their own internally built testing library called @playwright/test that is used in place of jest with a similar API. This library allows for explicitly defining test groups in a single file to run in parallel (i.e. test.describe.parallel) or serially (i.e. test.describe.serial). Or even to run all tests in parallel via a config option.
// parallel
test.describe.parallel('group', () => {
test('runs in parallel 1', async ({ page }) => {});
test('runs in parallel 2', async ({ page }) => {});
});
// serial
test.describe.serial('group', () => {
test('runs first', async ({ page }) => {});
test('runs second', async ({ page }) => {});
});
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