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trpc-nuxt/README.md
2022-05-17 23:58:27 -07:00

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# tRPC-Nuxt
[![Version](https://img.shields.io/npm/v/trpc-nuxt?style=flat&colorA=000000&colorB=000000)](https://www.npmjs.com/package/trpc-nuxt)
End-to-end typesafe APIs with [tRPC.io](https://trpc.io/) in Nuxt applications.
## Install
```bash
npm i trpc-nuxt -D
```
```ts
// nuxt.config.ts
import { defineNuxtConfig } from 'nuxt'
export default defineNuxtConfig({
modules: ['trpc-nuxt'],
})
```
## Usage
Create your tRPC [routes](https://trpc.io/docs/router) and [context](https://trpc.io/docs/context) under `~/server/trpc/index.ts`:
```ts
// ~/trpc/index.ts
import type { inferAsyncReturnType } from '@trpc/server'
import * as trpc from '@trpc/server'
export const router = trpc
.router<inferAsyncReturnType<typeof createContext>>()
// queries and mutations...
.query('hello', {
resolve: () => 'world',
})
.query('bye', {
resolve() {
return {
text: 'goodbye',
}
},
})
// optional
export const createContext = () => {
// ...
return {
/** context data */
}
}
// optional
export const responseMeta = () => {
// ...
return {
// { headers: ... }
}
}
```
Use the client like so:
```html
<script setup lang="ts">
const client = useClient()
const greeting = await client.query('hello');
console.log(greeting); // => 👈 world
const farewell = await client.query('bye');
console.log(farewell); // => 👈 goodbye
</script>
```
## Recipes
### Input validation
With [Zod](https://github.com/colinhacks/zod)
```ts
// ~/trpc/index.ts
import { z } from 'zod'
export const router = trpc
.router()
.mutation('createUser', {
// validate input with Zod
input: z.object({
name: z.string().min(5)
}),
async resolve(req) {
// use your ORM of choice
return await UserModel.create({
data: req.input,
})
},
})
```
With [Yup](https://github.com/jquense/yup)
```ts
// ~/trpc/index.ts
import { z } from 'zod'
export const router = trpc
.router()
.mutation('createUser', {
// validate input with Zod
input: yup.object({
name: yup.string().required(),
}),
async resolve(req) {
// use your ORM of choice
return await UserModel.create({
data: req.input,
})
},
})
```
Learn more about tRPC.io [here](https://trpc.io/docs).
## License
MIT