define(['./isArray', './keys', './_isArrayLike', './isArguments', './isString'], function (isArray, keys, _isArrayLike, isArguments, isString) { // 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`. if (_isArrayLike(obj) && (isArray(obj) || isString(obj) || isArguments(obj))) return obj.length === 0; return keys(obj).length === 0; } return isEmpty; });