Plugin Host

A lightweight, event-driven plugin host system for Node.js applications.

Features

• Dynamic Plugin Loading: Load plugins at runtime from a local directory
• Plugin Registry: Automatic fetching of available plugins from a remote directory
• Hook System: Plugins can register hooks for extensibility
• Event System: EventEmitter-based communication between host and plugins
• Hot Reload: Support for unloading and reloading plugins
• Auto-Update: Periodic registry updates from the plugin directory

Installation

npm install

Usage

import { PluginHost } from './src/PluginHost.js';

const host = new PluginHost({
  directoryUrl: 'http://your-plugin-directory/plugins',
  pluginsDir: './plugins',
  autoUpdate: true,
  updateInterval: 300000 // 5 minutes
});

await host.initialize();
await host.loadPlugins();

Plugin Context API

Plugins receive a context object with the following API:

• registerHook(hookName, callback) - Register a hook
• unregisterHook(hookName, callback) - Unregister a hook
• runHook(hookName, ...args) - Execute a hook
• getConfig(key) - Get plugin configuration
• log(...args) - Log with plugin prefix
• on(event, listener) - Listen to host events
• emit(event, ...args) - Emit events

Events

• initialized - Host initialized
• registry-updated - Plugin registry updated
• plugin-loaded - Plugin loaded
• plugin-unloaded - Plugin unloaded
• plugin-error - Plugin error occurred
• shutdown - Host shutting down

License

MIT