Next-generation dependency injection for TypeScript

InferDICatch wiring errors before you run

Compiler-checked dependency graphs. Fast resolution. A runtime under 3 KiB. Your business logic stays ordinary TypeScript

Get started See performance

pnpm add @inferdi/inferdi

< 3 KiBgzip runtime

6.23 nscached resolve

0runtime dependencies

Fast by design

A cached resolve starts with one Map.get(). The default contract keeps runtime checks on cold resolution.

Methodology and full results

Medians from the recorded eight-round production benchmark. Container overhead, not application throughput. 2026-08-17.

TypeScript sees the whole graph

Each registration returns a new container type that records its key, value, lifetime, async edge, and scope requirements.

import { Container
 } from '@inferdi/inferdi'

class Logger
 {
  info
(message
: string) {}
}

class Database
 {
  findUser
(id
: string) {
    return { id
 }
  }
}

class UserRepo
 {
  constructor(readonly logger
: Logger
, readonly database
: Database
) {}
}

const container
 = new Container
()
  .registerClass
('logger', Logger
, [])
  .registerClass
('database', Database
, [])
  .registerClass
('users', UserRepo
, ['logger', 'database'])

const users
 = container
.get
('users')      
const users: UserRepo