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/* eslint-disable @typescript-eslint/no-empty-function */ | ||
import { routerToServerAndClientNew } from '../___testHelpers'; | ||
import { createQueryClient, createQueryClientConfig } from '../__queryClient'; | ||
import { QueryClientProvider } from '@tanstack/react-query'; | ||
import { | ||
TRPCWebSocketClient, | ||
createWSClient, | ||
httpBatchLink, | ||
splitLink, | ||
wsLink, | ||
} from '@trpc/client'; | ||
import { createTRPCReact } from '@trpc/react-query'; | ||
import { OutputWithCursor } from '@trpc/react-query/src/shared/hooks/createHooksInternal'; | ||
import { TRPCError, initTRPC } from '@trpc/server'; | ||
import { observable } from '@trpc/server/src/observable'; | ||
import { subscriptionPullFactory } from '@trpc/server/src/subscription'; | ||
import hash from 'hash-sum'; | ||
import React, { ReactNode } from 'react'; | ||
import { ZodError, z } from 'zod'; | ||
|
||
export type Post = { | ||
id: string; | ||
title: string; | ||
createdAt: number; | ||
}; | ||
|
||
export function createAppRouter() { | ||
const db: { | ||
posts: Post[]; | ||
} = { | ||
posts: [ | ||
{ id: '1', title: 'first post', createdAt: 0 }, | ||
{ id: '2', title: 'second post', createdAt: 1 }, | ||
], | ||
}; | ||
const postLiveInputs: unknown[] = []; | ||
const createContext = jest.fn(() => ({})); | ||
const allPosts = jest.fn(); | ||
const postById = jest.fn(); | ||
let wsClient: TRPCWebSocketClient = null as any; | ||
|
||
const t = initTRPC.create({ | ||
errorFormatter({ shape, error }) { | ||
return { | ||
$test: 'formatted', | ||
zodError: | ||
error.cause instanceof ZodError ? error.cause.flatten() : null, | ||
...shape, | ||
}; | ||
}, | ||
}); | ||
|
||
let count = 0; | ||
const appRouter = t.router({ | ||
count: t.procedure.input(z.string()).query(({ input }) => { | ||
return `${input}:${count++}`; | ||
}), | ||
allPosts: t.procedure.query(({}) => { | ||
allPosts(); | ||
return db.posts; | ||
}), | ||
postById: t.procedure.input(z.string()).query(({ input }) => { | ||
postById(input); | ||
const post = db.posts.find((p) => p.id === input); | ||
if (!post) { | ||
throw new TRPCError({ code: 'NOT_FOUND' }); | ||
} | ||
return post; | ||
}), | ||
paginatedPosts: t.procedure | ||
.input( | ||
z.object({ | ||
limit: z.number().min(1).max(100).nullish(), | ||
cursor: z.number().nullish(), | ||
}), | ||
) | ||
.query(({ input }) => { | ||
const items: typeof db.posts = []; | ||
const limit = input.limit ?? 50; | ||
const { cursor } = input; | ||
let nextCursor: typeof cursor = null; | ||
for (let index = 0; index < db.posts.length; index++) { | ||
const element = db.posts[index]!; | ||
if (cursor != null && element!.createdAt < cursor) { | ||
continue; | ||
} | ||
items.push(element); | ||
if (items.length >= limit) { | ||
break; | ||
} | ||
} | ||
const last = items[items.length - 1]; | ||
const nextIndex = db.posts.findIndex((item) => item === last) + 1; | ||
if (db.posts[nextIndex]) { | ||
nextCursor = db.posts[nextIndex]!.createdAt; | ||
} | ||
return { | ||
items, | ||
nextCursor, | ||
}; | ||
}), | ||
|
||
addPost: t.procedure | ||
.input( | ||
z.object({ | ||
title: z.string(), | ||
}), | ||
) | ||
.mutation(({ input }) => { | ||
db.posts.push({ | ||
id: `${Math.random()}`, | ||
createdAt: Date.now(), | ||
title: input.title, | ||
}); | ||
}), | ||
|
||
deletePosts: t.procedure | ||
.input(z.array(z.string()).nullish()) | ||
.mutation(({ input }) => { | ||
if (input) { | ||
db.posts = db.posts.filter((p) => !input.includes(p.id)); | ||
} else { | ||
db.posts = []; | ||
} | ||
}), | ||
|
||
PING: t.procedure.mutation(({}) => { | ||
return 'PONG' as const; | ||
}), | ||
|
||
newPosts: t.procedure.input(z.number()).subscription(({ input }) => { | ||
return subscriptionPullFactory<Post>({ | ||
intervalMs: 1, | ||
pull(emit) { | ||
db.posts.filter((p) => p.createdAt > input).forEach(emit.next); | ||
}, | ||
}); | ||
}), | ||
|
||
postsLive: t.procedure | ||
.input( | ||
z.object({ | ||
cursor: z.string().nullable(), | ||
}), | ||
) | ||
.subscription(({ input }) => { | ||
const { cursor } = input; | ||
postLiveInputs.push(input); | ||
|
||
return subscriptionPullFactory<OutputWithCursor<Post[]>>({ | ||
intervalMs: 10, | ||
pull(emit) { | ||
const newCursor = hash(db.posts); | ||
if (newCursor !== cursor) { | ||
emit.next({ data: db.posts, cursor: newCursor }); | ||
} | ||
}, | ||
}); | ||
}), | ||
}); | ||
|
||
const linkSpy = { | ||
up: jest.fn(), | ||
down: jest.fn(), | ||
}; | ||
const { client, trpcClientOptions, close } = routerToServerAndClientNew( | ||
appRouter, | ||
{ | ||
server: { | ||
createContext, | ||
batching: { | ||
enabled: true, | ||
}, | ||
}, | ||
client({ httpUrl, wssUrl }) { | ||
wsClient = createWSClient({ | ||
url: wssUrl, | ||
}); | ||
return { | ||
links: [ | ||
() => | ||
({ op, next }) => { | ||
return observable((observer) => { | ||
linkSpy.up(op); | ||
const subscription = next(op).subscribe({ | ||
next(result) { | ||
linkSpy.down(result); | ||
observer.next(result); | ||
}, | ||
error(result) { | ||
linkSpy.down(result); | ||
observer.error(result); | ||
}, | ||
complete() { | ||
linkSpy.down('COMPLETE'); | ||
observer.complete(); | ||
}, | ||
}); | ||
return subscription; | ||
}); | ||
}, | ||
splitLink({ | ||
condition(op) { | ||
return op.type === 'subscription'; | ||
}, | ||
true: wsLink({ | ||
client: wsClient, | ||
}), | ||
false: httpBatchLink({ | ||
url: httpUrl, | ||
}), | ||
}), | ||
], | ||
}; | ||
}, | ||
}, | ||
); | ||
|
||
trpcClientOptions.queryClientConfig = createQueryClientConfig( | ||
trpcClientOptions.queryClientConfig, | ||
); | ||
const queryClient = createQueryClient(trpcClientOptions.queryClientConfig); | ||
const trpc = createTRPCReact<typeof appRouter>(); | ||
|
||
function App(props: { children: ReactNode }) { | ||
return ( | ||
<trpc.Provider {...{ queryClient, client }}> | ||
<QueryClientProvider client={queryClient}> | ||
{props.children} | ||
</QueryClientProvider> | ||
</trpc.Provider> | ||
); | ||
} | ||
return { | ||
App, | ||
appRouter, | ||
trpc, | ||
close, | ||
db, | ||
client, | ||
trpcClientOptions, | ||
postLiveInputs, | ||
resolvers: { | ||
postById, | ||
allPosts, | ||
}, | ||
queryClient, | ||
createContext, | ||
linkSpy, | ||
}; | ||
} |
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/* eslint-disable @typescript-eslint/no-empty-function */ | ||
import { createAppRouter } from './__testHelpers'; | ||
import '@testing-library/jest-dom'; | ||
import { createProxySSGHelpers } from '@trpc/react-query/src/ssg'; | ||
|
||
let factory: ReturnType<typeof createAppRouter>; | ||
beforeEach(() => { | ||
factory = createAppRouter(); | ||
}); | ||
afterEach(() => { | ||
factory.close(); | ||
}); | ||
|
||
test('dehydrate', async () => { | ||
const { db, appRouter } = factory; | ||
const ssg = createProxySSGHelpers({ router: appRouter, ctx: {} }); | ||
|
||
await ssg.allPosts.prefetch(); | ||
await ssg.postById.prefetch('1'); | ||
|
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const dehydrated = ssg.dehydrate().queries; | ||
expect(dehydrated).toHaveLength(2); | ||
|
||
const [cache, cache2] = dehydrated; | ||
expect(cache!.queryHash).toMatchInlineSnapshot( | ||
`"[[\\"allPosts\\"],{\\"type\\":\\"query\\"}]"`, | ||
); | ||
expect(cache!.queryKey).toMatchInlineSnapshot(` | ||
Array [ | ||
Array [ | ||
"allPosts", | ||
], | ||
Object { | ||
"type": "query", | ||
}, | ||
] | ||
`); | ||
expect(cache!.state.data).toEqual(db.posts); | ||
expect(cache2!.state.data).toMatchInlineSnapshot(` | ||
Object { | ||
"createdAt": 0, | ||
"id": "1", | ||
"title": "first post", | ||
} | ||
`); | ||
}); |
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---|---|---|
@@ -0,0 +1,66 @@ | ||
/* eslint-disable @typescript-eslint/no-empty-function */ | ||
import { createQueryClient } from '../__queryClient'; | ||
import { createAppRouter } from './__testHelpers'; | ||
import { QueryClientProvider } from '@tanstack/react-query'; | ||
import '@testing-library/jest-dom'; | ||
import { render, waitFor } from '@testing-library/react'; | ||
import { DefaultErrorShape } from '@trpc/server/src/error/formatter'; | ||
import { expectTypeOf } from 'expect-type'; | ||
import React, { useEffect, useState } from 'react'; | ||
|
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let factory: ReturnType<typeof createAppRouter>; | ||
beforeEach(() => { | ||
factory = createAppRouter(); | ||
}); | ||
afterEach(() => { | ||
factory.close(); | ||
}); | ||
|
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test('react types test', async () => { | ||
const { trpc, client } = factory; | ||
function MyComponent() { | ||
const mutation = trpc.addPost.useMutation(); | ||
|
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useEffect(() => { | ||
mutation.mutate({ title: 123 as any }); | ||
// eslint-disable-next-line react-hooks/exhaustive-deps | ||
}, []); | ||
|
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if (mutation.error && mutation.error && mutation.error.shape) { | ||
expectTypeOf(mutation.error.shape).toMatchTypeOf< | ||
DefaultErrorShape & { | ||
$test: string; | ||
} | ||
>(); | ||
expectTypeOf(mutation.error.shape).toMatchTypeOf< | ||
DefaultErrorShape & { | ||
$test: string; | ||
} | ||
>(); | ||
return ( | ||
<pre data-testid="err"> | ||
{JSON.stringify(mutation.error.shape.zodError, null, 2)} | ||
</pre> | ||
); | ||
} | ||
return <></>; | ||
} | ||
function App() { | ||
const [queryClient] = useState(() => createQueryClient()); | ||
return ( | ||
<trpc.Provider {...{ queryClient, client }}> | ||
<QueryClientProvider client={queryClient}> | ||
<MyComponent /> | ||
</QueryClientProvider> | ||
</trpc.Provider> | ||
); | ||
} | ||
|
||
const utils = render(<App />); | ||
await waitFor(() => { | ||
expect(utils.container).toHaveTextContent('fieldErrors'); | ||
expect(utils.getByTestId('err').innerText).toMatchInlineSnapshot( | ||
`undefined`, | ||
); | ||
}); | ||
}); |
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Successfully deployed to the following URLs:
next-prisma-starter – ./examples/next-prisma-starter
next-prisma-starter-git-main-trpc.vercel.app
nextjs.trpc.io
next-prisma-starter-trpc.vercel.app