fastify plugin with auto json schema with type definitions

install

npm install @fastify-dev-toolkit/plugin
npm install ts-patch
// add to package.json
scripts: {
  "prepare": "ts-patch install -s"
}

add this in tsconfig.json

{
  "compilerOptions": {
    "plugins": [
      {
        "transform": "@fastify-dev-toolkit/plugin/compiler/schema-extractor", // auto compiler plugin
        "transformProgram": true
      }
    ]
  }
}

/
└── src
    ├── routes // file route
    └── schema // type def in this folder will auto build to json schema

example

/
└── src
    ├── routes
    │   └── api
    │       └── v1
    │           └── test.ts  // url for /api/v1/test
    └── schema
        └── api
            └── one.ts

// /api/v1/test.ts
import {A, B} from '../schema/api/one' 

export default class AAA {
  get(): string {
    return 'ok'
  }
  post(request?: IPost<{ Body: Omit<A, 'a'>, Querystring: B }>): string {
    return 'ok'
  }
  put(): string {
    return ''
  }
  delete(): string {
    return ''
  }
}

// /schema/api/one.ts
type A = {
  a: string
  b: number
  c: MultipartUploadField
}
type B = {
  a: string
  b: number
}

if the ENVIRONMENT=development exist.

PORT=4002

use /documentation/ to view swagger

need ts-patch and add this in scripts

scripts: {
  "prepare": "ts-patch install -s"
}