| "use strict"; | |
| var value = require("./valid-value") | |
| , isValue = require("./is-value"); | |
| module.exports = function (obj /*, …names*/) { | |
| var length, current = 1; | |
| value(obj); | |
| length = arguments.length - 1; | |
| if (!length) return obj; | |
| while (current < length) { | |
| obj = obj[arguments[current++]]; | |
| if (!isValue(obj)) return undefined; | |
| } | |
| return obj[arguments[current]]; | |
| }; |