@fastify/middie/types/index.test-d.ts

Middleware engine for Fastify

import fastify from 'fastify'
import middiePlugin, { MiddiePluginOptions, IncomingMessageExtended, FastifyMiddieOptions } from '..'
import { expectAssignable, expectType, expectDeprecated } from 'tsd'

const app = fastify()
app.register(middiePlugin)

expectAssignable<MiddiePluginOptions>({})

expectAssignable<IncomingMessageExtended>({ body: { foo: 'bar' }, query: { bar: 'foo' } })
expectAssignable<IncomingMessageExtended>({})

app.use('/', (_req, _res, next) => {
  expectType<any | undefined>(_req.body)
  expectType<any | undefined>(_req.query)

  next()
})

expectDeprecated({} as MiddiePluginOptions)
expectType<FastifyMiddieOptions>({} as MiddiePluginOptions)