lodash.js

function lodash (obj) {
  var createProxy = function (obj) {
    return new Proxy(obj, {
      get (target, name) {
        if (_[name]) {
          return function (...args) {
            var result = _[name](target, ...args)
            if (typeof result === 'object') {
              return createProxy(result)
            } else {
              return result
            }
          }
        } else {
          return target[name]
        }
      }
    })
  }
  return createProxy(obj)
}