@directus/api/dist/extensions/index.js

Directus is a real-time API and App dashboard for managing SQL database content

import { ExtensionManager } from './manager.js';
let extensionManager;
export function getExtensionManager() {
    if (extensionManager) {
        return extensionManager;
    }
    extensionManager = new ExtensionManager();
    return extensionManager;
}