Plugin Loader Generator
Generate dynamic plugin loading system.
Generated Patterns
import fs from 'fs';
import path from 'path';
interface Plugin {
name: string;
version: string;
init: () => Promise<void>;
destroy?: () => Promise<void>;
}
export class PluginLoader {
private plugins = new Map<string, Plugin>();
private pluginDirs: string[];
constructor(pluginDirs: string[]) {
this.pluginDirs = pluginDirs;
}
async discover(): Promise<string[]> {
const found: string[] = [];
for (const dir of this.pluginDirs) {
if (!fs.existsSync(dir)) continue;
const entries = fs.readdirSync(dir, { withFileTypes: true });
for (const entry of entries) {
if (entry.isDirectory()) {
const manifestPath = path.join(dir, entry.name, 'manifest.json');
if (fs.existsSync(manifestPath)) {
found.push(path.join(dir, entry.name));
}
}
}
}
return found;
}
async load(pluginPath: string): Promise<Plugin> {
const manifest = JSON.parse(fs.readFileSync(path.join(pluginPath, 'manifest.json'), 'utf-8'));
const module = await import(path.join(pluginPath, manifest.main));
const plugin: Plugin = { name: manifest.name, version: manifest.version, ...module };
await plugin.init();
this.plugins.set(plugin.name, plugin);
return plugin;
}
async unload(name: string): Promise<void> {
const plugin = this.plugins.get(name);
if (plugin?.destroy) await plugin.destroy();
this.plugins.delete(name);
}
}
Target Processes
- plugin-architecture-implementation
- cli-application-bootstrap