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Eden Installation ‚Äč

Start by installing Eden on your frontend:

bash
bun add elysia @elysiajs/eden
bun add elysia @elysiajs/eden

TIP

Eden couldn't infered type correctly without Elysia installed.

You can install Elysia as dev dependencies as Elysia on client is only for infering utility type.

First, export your existing Elysia server type:

typescript
// server.ts
import { Elysia, t } from 'elysia'

const app = new Elysia()
    .get('/', () => 'Hi Elysia')
    .get('/id/:id', ({ params: { id } }) => id)
    .post('/mirror', ({ body }) => body, {
        schema: {
            body: t.Object({
                id: t.Number(),
                name: t.String()
            })
        }
    })
    .listen(8080)

export type App = typeof app
// server.ts
import { Elysia, t } from 'elysia'

const app = new Elysia()
    .get('/', () => 'Hi Elysia')
    .get('/id/:id', ({ params: { id } }) => id)
    .post('/mirror', ({ body }) => body, {
        schema: {
            body: t.Object({
                id: t.Number(),
                name: t.String()
            })
        }
    })
    .listen(8080)

export type App = typeof app

Then consume Elysia API on client side:

typescript
// client.ts
import { edenTreaty } from '@elysiajs/eden'
import type { App } from './server'

const client = edenTreaty<App>('http://localhost:8080')

// response type: 'Hi Elysia'
client.index.get().then(console.log)

// response type: 1895
client.id.1895.get().then(console.log)

// response type: { id: 1895, name: 'Skadi' }
client.mirror.post({
    id: 1895,
    name: 'Skadi'
}).then(console.log)
// client.ts
import { edenTreaty } from '@elysiajs/eden'
import type { App } from './server'

const client = edenTreaty<App>('http://localhost:8080')

// response type: 'Hi Elysia'
client.index.get().then(console.log)

// response type: 1895
client.id.1895.get().then(console.log)

// response type: { id: 1895, name: 'Skadi' }
client.mirror.post({
    id: 1895,
    name: 'Skadi'
}).then(console.log)