TS2314: Generic type 'FastifyInstance ' requires 5 type argument(s).

Prerequisites

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I have searched existing issues to ensure the bug has not already been reported

Fastify version

^3.29.0

Plugin version

^7.1.2

Node.js version

v16.13.2

Operating system

Linux

Operating system version (i.e. 20.04, 11.3, 10)

fedora 37

Description

When I am installing this library by require there is no problem, but when I am using import than I see warnings in typescript

TS2314: Generic type 'FastifyInstance ' requires 5 type argument(s).

and my rest routes are treated as incompatible.

Steps to Reproduce

adding this code

'use strict'

const fastify = require('fastify')()
fastify.register(require('@fastify/websocket'))
fastify.register(async function (fastify) {
  fastify.get('/', { websocket: true }, (connection /* SocketStream */, req /* FastifyRequest */) => {
    connection.socket.on('message', message => {
      // message.toString() === 'hi from client'
      connection.socket.send('hi from server')
    })
  })
})

fastify.listen({ port: 3000 }, err => {
  if (err) {
    fastify.log.error(err)
    process.exit(1)
  }
})

and changing require to import with having pure http endpoints defined ealier

Expected Behavior

I expect to not see typescript errors or rather see warning about incompatibility during installation.

You are using the wrong version.
7.x is used for fastify@4.x.
5.x is used for fastify@3.x

I am reopen this issue because we forgot to update the supported fastify version.

fastify-websocket/index.js

Lines 193 to 196 in b863495

    
           module.exports = fp(fastifyWebsocket, { 
        
             fastify: '>= 3.11.0', 
        
             name: '@fastify/websocket' 
        
           })

I am confirming, update to fastify@4.x fixed problem.

Would you like to send a Pull Request to bump the minimum Fastify version?

	module.exports = fp(fastifyWebsocket, {
	fastify: '>= 3.11.0',
	name: '@fastify/websocket'
	})