@eolme/vma-engine/dist/modules/singleton.js

Engine for VK Mini Apps

const instances = new Map();
const SingletonProvider = {
    getInstance(clazz, ...params) {
        if (instances.has(clazz.name)) {
            return instances.get(clazz.name);
        }
        const instance = new clazz(...params);
        instances.set(clazz.name, instance);
        return instance;
    },
    destroyInstance(clazz) {
        if (instances.has(clazz.name)) {
            instances.delete(clazz.name);
        }
    }
};
export { SingletonProvider, SingletonProvider as default };