description: Typed dependency injection for TypeScript. package: wireit category: di keywords: [dependency-injection, ioc, container, singleton, transient, factory, scoped] related: [logit, eventit, permit] exports: [createContainer, createToken]

@vielzeug/wireit

Typed dependency injection for TypeScript.

Package: @vielzeug/wireit  ·  Category: Di

Key exports: createContainer, createToken

When to use: Typed dependency injection for TypeScript.

Related: @vielzeug/logit · @vielzeug/eventit · @vielzeug/permit

@vielzeug/wireit is part of Vielzeug and ships as a zero-dependency TypeScript package with ESM+CJS output.

Installation

pnpm add @vielzeug/wireit
npm install @vielzeug/wireit
yarn add @vielzeug/wireit

Quick Start

import { createContainer, createToken } from '@vielzeug/wireit';

const Logger = createToken<{ log(message: string): void }>('Logger');
const Service = createToken<{ run(): Promise<void> }>('Service');

const container = createContainer();

container.value(Logger, {
  log(message) {
    console.log(message);
  },
});

container.factory(Service, (logger) => {
  return {
    async run() {
      logger.log('started');
    },
  };
}, {
  deps: [Logger],
});

await container.resolve(Service);

Documentation

• Overview
• Usage Guide
• API Reference
• Examples

License

MIT © Helmuth Saatkamp — part of the Vielzeug monorepo.