middleware-io

⛓️ Modern middleware with promises

MIT License

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Middleware-IO - Modern middleware on Promise

📖 Documentation

Features

  1. Self-Sufficient. The library has zero dependencies.
  2. Reliable. The library is written in TypeScript and covered by tests.
  3. Modern. The library comes with native ESM support
  4. Powerful. Supports following additional features:
    • The library has enough built-in snippets;
    • The middleware chain builder;

Installation

Node.js 12.0.0 or newer is required

  • Using npm (recommended)
    npm i middleware-io
    
  • Using Yarn
    yarn add middleware-io
    
  • Using pnpm
    pnpm add middleware-io
    

Example usage

import { compose } from 'middleware-io';

const composedMiddleware = compose([
    async (context, next) => {
        // Step 1

        await next();

        // Step 4

        // Print the current date from the next middleware
        console.log(context.now);
    },
    async (context, next) => {
        // Step 2

        context.now = Date.now();

        await next();

        // Step 3
    }
]);

composedMiddleware({}, () => { /* Last handler (next) */ })
    .then(() => {
        console.log('Middleware finished work');
    })
    .catch(console.error);