관리-도구

편집 파일: index.js

'use strict'; const lazy = (mod, fn, id) => mod === undefined ? fn(id) : mod; module.exports = fn => { return id => { let mod; return function () { if (arguments.length === 0) { mod = lazy(mod, fn, id); return mod; } const ret = {}; [].forEach.call(arguments, prop => { Object.defineProperty(ret, prop, { get: () => { mod = lazy(mod, fn, id); if (typeof mod[prop] === 'function') { return function () { return mod[prop].apply(mod, arguments); }; } return mod[prop]; } }); }); return ret; }; }; }; module.exports.proxy = fn => { return id => { let mod; const handler = { get: (target, property) => { mod = lazy(mod, fn, id); return Reflect.get(mod, property); }, apply: (target, thisArg, argumentsList) => { mod = lazy(mod, fn, id); return Reflect.apply(mod, thisArg, argumentsList); } }; return new Proxy(() => {}, handler); }; };