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feat: react-query-next-experimental package (#5598)
* chore: fix a copy-paste error * chore: bootstrap package * chore: setup package * chore: allow passing with no tests * fix: remove 'use client' from index bundle * chore: cleanup copy/paste error * chore: fix prettier * refactor: replace ref with direct props access * fix: do not write to refs during render * refactor: inline function into useEffect to avoid useCallback * fix: eslint no-shadow * refactor: namespace id * refactor: removed pointless check * fix: set to empty array on cleanup * fix: adapt for v5 changes * chore: fix build * docs: add streaming example * chore: fix outdated lockfile * chore: fix prettier * refactor: remove isSubscribed ref * refactor: re-arrange comment * chore: remove comments * chore: fix broken lock file * feat: allow customization of hydrate / dehydrate options and make sure we fall back to the defaultShouldDehydrate function, which only dehydrates successful queries
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‎babel.config.cjs‎

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@@ -38,6 +38,7 @@ module.exports = {
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'./packages/react-query/**',
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'./packages/react-query-devtools/**',
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'./packages/react-query-persist-client/**',
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'./packages/react-query-next-experimental/**',
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],
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presets: ['@babel/react'],
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},

‎docs/config.json‎

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"label": "Next.js",
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"to": "react/examples/react/nextjs"
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},
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{
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"label": "Next.js app with streaming",
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"to": "react/examples/react/nextjs-suspense-streaming"
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},
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{
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"label": "React Native",
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"to": "react/examples/react/react-native"

‎examples/react/nextjs-suspense-streaming/next.config.js‎

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/** @type {import('next').NextConfig} */
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const nextConfig = {
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eslint: {
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ignoreDuringBuilds: true,
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},
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experimental: {
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appDir: true,
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serverActions: true,
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},
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webpack: (config) => {
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if (config.name === 'server') config.optimization.concatenateModules = false
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return config
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},
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}
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module.exports = nextConfig

‎examples/react/nextjs-suspense-streaming/package.json‎

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{
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"name": "@tanstack/query-example-nextjs-suspense-streaming",
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"private": true,
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"license": "MIT",
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"scripts": {
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"dev": "next dev",
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"build": "next build",
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"start": "next start"
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},
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"dependencies": {
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"@tanstack/react-query": "^v5.0.0-alpha.68",
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"@tanstack/react-query-devtools": "^v5.0.0-alpha.68",
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"next": "^13.4.4",
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"react": "^18.2.0",
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"react-dom": "^18.2.0",
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"superjson": "^1.12.3"
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},
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"devDependencies": {
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"@types/node": "20.2.5",
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"@types/react": "18.2.8",
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"typescript": "5.1.3"
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}
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}

‎examples/react/nextjs-suspense-streaming/src/app/api/wait/route.ts‎

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import { NextResponse } from 'next/server'
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export async function GET(request: Request) {
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const { searchParams } = new URL(request.url)
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const wait = Number(searchParams.get('wait'))
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await new Promise((resolve) => setTimeout(resolve, wait))
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return NextResponse.json(`waited ${wait}ms`)
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}

‎examples/react/nextjs-suspense-streaming/src/app/layout.tsx‎

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import { Providers } from './providers'
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export const metadata = {
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title: 'Next.js',
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description: 'Generated by Next.js',
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}
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export default function RootLayout({
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children,
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}: {
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children: React.ReactNode
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}) {
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return (
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<html lang="en">
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<body>
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<Providers>{children}</Providers>
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</body>
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</html>
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)
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}

‎examples/react/nextjs-suspense-streaming/src/app/page.tsx‎

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'use client'
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import { useQuery } from '@tanstack/react-query'
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import { Suspense } from 'react'
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// export const runtime = "edge"; // 'nodejs' (default) | 'edge'
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function getBaseURL() {
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if (typeof window !== 'undefined') {
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return ''
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}
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if (process.env.VERCEL_URL) {
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return `https://${process.env.VERCEL_URL}`
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}
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return 'http://localhost:3000'
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}
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const baseUrl = getBaseURL()
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function useWaitQuery(props: { wait: number }) {
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const query = useQuery({
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queryKey: ['wait', props.wait],
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queryFn: async () => {
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const path = `/api/wait?wait=${props.wait}`
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const url = baseUrl + path
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console.log('fetching', url)
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const res: string = await (
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await fetch(url, {
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cache: 'no-store',
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})
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).json()
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return res
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},
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suspense: true,
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})
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return [query.data as string, query] as const
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}
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function MyComponent(props: { wait: number }) {
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const [data] = useWaitQuery(props)
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return <div>result: {data}</div>
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}
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export default function MyPage() {
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return (
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<>
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<Suspense fallback={<div>waiting 100....</div>}>
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<MyComponent wait={100} />
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</Suspense>
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<Suspense fallback={<div>waiting 200....</div>}>
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<MyComponent wait={200} />
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</Suspense>
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<Suspense fallback={<div>waiting 300....</div>}>
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<MyComponent wait={300} />
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</Suspense>
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<Suspense fallback={<div>waiting 400....</div>}>
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<MyComponent wait={400} />
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</Suspense>
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<Suspense fallback={<div>waiting 500....</div>}>
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<MyComponent wait={500} />
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</Suspense>
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<Suspense fallback={<div>waiting 600....</div>}>
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<MyComponent wait={600} />
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</Suspense>
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<Suspense fallback={<div>waiting 700....</div>}>
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<MyComponent wait={700} />
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</Suspense>
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<fieldset>
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<legend>
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combined <code>Suspense</code>-container
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</legend>
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<Suspense
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fallback={
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<>
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<div>waiting 800....</div>
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<div>waiting 900....</div>
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<div>waiting 1000....</div>
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</>
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}
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>
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<MyComponent wait={800} />
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<MyComponent wait={900} />
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<MyComponent wait={1000} />
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</Suspense>
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</fieldset>
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</>
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)
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}

‎examples/react/nextjs-suspense-streaming/src/app/providers.tsx‎

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// app/providers.jsx
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'use client'
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import { QueryClient, QueryClientProvider } from '@tanstack/react-query'
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import { ReactQueryDevtools } from '@tanstack/react-query-devtools'
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import React from 'react'
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import { ReactQueryStreamedHydration } from '@tanstack/react-query-next-experimental'
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export function Providers(props: { children: React.ReactNode }) {
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const [queryClient] = React.useState(
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() =>
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new QueryClient({
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defaultOptions: {
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queries: {
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staleTime: 5 * 1000,
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},
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},
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}),
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)
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return (
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<QueryClientProvider client={queryClient}>
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<ReactQueryStreamedHydration>
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{props.children}
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</ReactQueryStreamedHydration>
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<ReactQueryDevtools initialIsOpen={false} />
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</QueryClientProvider>
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)
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}

‎examples/react/nextjs-suspense-streaming/tsconfig.json‎

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{
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"compilerOptions": {
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"target": "es5",
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"lib": ["dom", "dom.iterable", "esnext"],
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"allowJs": true,
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"skipLibCheck": true,
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"strict": true,
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"forceConsistentCasingInFileNames": true,
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"noEmit": true,
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"esModuleInterop": true,
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"module": "esnext",
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"moduleResolution": "node",
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"resolveJsonModule": true,
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"isolatedModules": true,
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"jsx": "preserve",
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"incremental": true,
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"plugins": [
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{
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"name": "next"
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}
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]
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},
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"include": ["next-env.d.ts", "**/*.ts", "**/*.tsx", ".next/types/**/*.ts"],
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"exclude": ["node_modules"]
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}

‎packages/react-query-devtools/vitest.config.ts‎

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export default defineConfig({
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test: {
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name: 'react-query-persist-client',
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name: 'react-query-devtools',
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dir: './src',
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watch: false,
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setupFiles: ['test-setup.ts'],

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