git.r.bdr.sh - rbdr/dotfiles/blob

   1 'use strict';
   2
   3 var value = require('./valid-value')
   4
   5   , propertyIsEnumerable = Object.prototype.propertyIsEnumerable;
   6
   7 module.exports = function (obj) {
   8         var i;
   9         value(obj);
  10         for (i in obj) {
  11                 if (propertyIsEnumerable.call(obj, i)) return i;
  12         }
  13         return null;
  14 };