text: var _getLength = require('./_getLength.js');
  var isArray = require('./isArray.js');
  var isString = require('./isString.js');
  var isArguments = require('./isArguments.js');
  var keys = require('./keys.js');
  
  // Is a given array, string, or object empty?
  // An "empty" object has no enumerable own-properties.
  function isEmpty(obj) {
    if (obj == null) return true;
    // Skip the more expensive `toString`-based type checks if `obj` has no
    // `.length`.
    var length = _getLength(obj);
    if (typeof length == 'number' && (
      isArray(obj) || isString(obj) || isArguments(obj)
    )) return length === 0;
    return _getLength(keys(obj)) === 0;
  }
  
  module.exports = isEmpty;
  