@techmely/utils/singleton.js

Collection of helpful JavaScript / TypeScript utils

'use strict';

/*!
 * @techmely/utils
 * Copyright(c) 2021-2024 Techmely <techmely.creation@gmail.com>
 * MIT Licensed
 */


// src/singleton.ts
function singleton(name, valueFactory) {
  const g = global;
  g.__singletons ??= {};
  g.__singletons[name] ??= valueFactory();
  return g.__singletons[name];
}

exports.singleton = singleton;