(Proxy Based Injection pronounced 🫛Pea 🐝Bee And 🐦Jay)

A lightweight, proxy-based Dependency Injection (DI) framework for Node.js with full TypeScript support.

• 🪶 Lightweight with zero runtime dependencies (other than node:async_hooks)
• 🔄 Proxy-based lazy loading of dependencies
• 📦 Type-safe with full TypeScript support
• 🎯 No decorators required
• 🏗️ Supports constructor injection, factory injection, and primitive injection
• 💾 Built-in caching support

Using npm:

npm install @pbinj/pbj

Using yarn:

yarn add @pbinj/pbj

Using pnpm:

pnpm add @pbinj/pbj

import { pbj, context } from "@pbinj/pbj";

// Define a service
class DatabaseService {
  connect() {
    console.log("Connected to database");
  }
}

// Register the service
context.register(DatabaseService);

// Use the service
class UserService {
  constructor(private db = pbj(DatabaseService)) {}

  getUsers() {
    this.db.connect();
    // ... fetch users
  }
}

const userService = context.resolve(UserService);
userService.getUsers(); // Outputs: Connected to database

• Node.js >= 18
• TypeScript (for type support)

For detailed documentation, examples, and advanced usage, visit our documentation site.

MIT