### Install oRPC Server and Client Packages

Source: https://orpc.unnoq.com/docs/getting-started

Installs the latest versions of the oRPC server and client packages using various package managers like npm, yarn, pnpm, bun, and deno.

```shell
npm install @orpc/server@latest @orpc/client@latest
```

```shell
yarn add @orpc/server@latest @orpc/client@latest
```

```shell
pnpm add @orpc/server@latest @orpc/client@latest
```

```shell
bun add @orpc/server@latest @orpc/client@latest
```

```shell
deno add npm:@orpc/server@latest npm:@orpc/client@latest
```

--------------------------------

### Create oRPC Client

Source: https://orpc.unnoq.com/docs/getting-started

Initializes an oRPC client using `createORPCClient` and `RPCLink` for making requests to the server. It configures the client with the server URL and authorization headers.

```typescript
import type { 
RouterClient
 } from '@orpc/server'
import { 
createORPCClient
 } from '@orpc/client'
import { 
RPCLink
 } from '@orpc/client/fetch'

const 
link
 = new 
RPCLink
({
  
url
: 'http://127.0.0.1:3000',
  
headers
: { 
Authorization
: 'Bearer token' },
})

export const 
orpc
: 
RouterClient
<typeof 
router
> =
 
createORPCClient
(
link
)

```

--------------------------------

### Call oRPC Procedures

Source: https://orpc.unnoq.com/docs/getting-started

Demonstrates how to call oRPC procedures (e.g., `find`, `create`) using the generated client. It highlights the end-to-end type-safety and auto-completion features.

```typescript
const 
planet
 = await 
orpc
.
planet
.
find
({ 
id
: 1 })


orpc
.
planet
.
create


```

--------------------------------

### Create Node.js Server for oRPC

Source: https://orpc.unnoq.com/docs/getting-started

Sets up an HTTP server using Node.js to handle oRPC requests. It integrates the RPCHandler, CORSPlugin, and an error interceptor for logging.

```typescript
import { 
createServer
 } from 'node:http'
import { 
RPCHandler
 } from '@orpc/server/node'
import { 
CORSPlugin
 } from '@orpc/server/plugins'
import { 
onError
 } from '@orpc/server'

const 
handler
 = new 
RPCHandler
(
router
, {
  
plugins
: [new 
CORSPlugin
()],
  
interceptors
: [
    
onError
(( 
error
) => {
      
console
.
error
(
error
)
    }),
  ],
})

const 
server
 =
 
createServer
(async ( 
req
, 
res
) => {
  const 
result
 = await 
handler
.
handle
(
req
, 
res
, {
    
context
: { 
headers
: 
req
.
headers }
  })

  if (!
result
.
matched
) {
    
res
.
statusCode
 = 404
    
res
.
end('No procedure matched')
  }
})


server
.
listen
(
  3000,
  '127.0.0.1',
  () => 
console
.
log
('Listening on 127.0.0.1:3000')
)

```

--------------------------------

### Define oRPC App Router with Zod Schema Validation

Source: https://orpc.unnoq.com/docs/getting-started

Defines an oRPC application router using Zod for input schema validation. It includes procedures for listing, finding, and creating planets, with context-aware authorization for the create procedure.

```typescript
import type { IncomingHttpHeaders } from 'node:http'
import { 
ORPCError
, 
os
 } from '@orpc/server'
import * as 
z
 from 'zod'

const 
PlanetSchema
 =
 
z
.
object
({
  
id
:
 
z
.
number
().
int
().
min
(1),
  
name
:
 
z
.
string
(),
  
description
:
 
z
.
string
().
optional
()
})

export const 
listPlanet
 =
 
os

  .
input
(
    
z
.
object
({
      
limit
:
 
z
.
number
().
int
().
min
(1).
max
(100).
optional
(),
      
cursor
:
 
z
.
number
().
int
().
min
(0).
default
(0),
    }),
  )
  .
handler
(async ({ 
input
 }) => {
    // your list code here
    return [{ 
id
: 1, 
name
: 'name' }]
  })

export const 
findPlanet
 =
 
os

  .
input
(
PlanetSchema
.
pick
({ 
id
: true }))
  .
handler
(async ({ 
input
 }) => {
    // your find code here
    return { 
id
: 1, 
name
: 'name' }
  })

export const 
createPlanet
 =
 
os

  .
$context
<{ 
headers
: IncomingHttpHeaders }>()
  .
use
(({ 
context
, 
next
 }) => {
    const 
user
 =
 
parseJWT
(
context
.
headers
.
authorization
?. 
split
(' ')[1])

    if (
user
) {
      return 
next
({ 
context
: { 
user
 } })
    }

    throw new 
ORPCError
('UNAUTHORIZED')
  })
  .
input
(
PlanetSchema
.
omit
({ 
id
: true }))
  .
handler
(async ({ 
input
, 
context
 }) => {
    // your create code here
    return { 
id
: 1, 
name
: 'name' }
  })

export const 
router
 =
 {
  
planet
:
 {
    
list
:
 
listPlanet
,
    
find
:
 
findPlanet
,
    
create
:
 
createPlanet

  }
}

```

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