Monban

Monban - [門番] means Gatekeeper in Japanese - is a simple authentication library for TypeScript that works with any framework or runtime.

Features

• Simple and Lightweight
• Framework agnostic: Works with any framework such as Express or Next.js
• Runtime agnostic: Works with any runtime such as Cloudflare Workers
• No User Management: Users can be managed in any database
• Client library provided: Easy to implement in frontend

Quick Start

Install

npm install monban

Server

import { Monban } from 'monban';
import { GoogleProvider } from 'monban/providers/google/server';

export type User = {
    id: string;
    name: string;
    email: string;
    picture: string;
};

const monban = new Monban(
    {
        google: new GoogleProvider({
            clientId: 'GOOGLE_CLIENT_ID',
            clientSecret: 'GOOGLE_CLIENT_SECRET',
        }),
    },
    {
        secret: 'JWT_SECRET',
        maxAge: 60 * 60 * 24 * 30,
        callbacks: {
            async getUser(profile) {
                const user: User = {
                    id: profile.id,
                    name: profile.name,
                    email: profile.email,
                    picture: profile.picture,
                };

                return user;
            },
        },
    },
);

export default {
    async fetch(request: Request): Promise<Response> {
        return await monban.handleRequest(request, '/monban');
    },
};

Client

import type { User } from './server.ts';
import { MonbanClient } from 'monban/client';
import { GoogleClient } from 'monban/providers/google/client';

const providerClients = {
    google: new GoogleClient(),
};

const monbanClient = new MonbanClient<User, typeof providerClients>('/monban', providerClients);

monbanClient.onSessionChange((session) => {
    console.log(session);
});

Documentation

• Server
• Client