define(['./isFunction', './isObjectLike', './keys', './size'], function(isFunction, isObjectLike, keys, size) { /** * Checks if `value` is empty. A value is considered empty unless it's an * `arguments` object, array, string, or jQuery-like collection with a length * greater than `0` or an object with own enumerable properties. * * @static * @memberOf _ * @category Lang * @param {Array|Object|string} value The value to inspect. * @returns {boolean} Returns `true` if `value` is empty, else `false`. * @example * * _.isEmpty(null); * // => true * * _.isEmpty(true); * // => true * * _.isEmpty(1); * // => true * * _.isEmpty([1, 2, 3]); * // => false * * _.isEmpty({ 'a': 1 }); * // => false */ function isEmpty(value) { return (!isObjectLike(value) || isFunction(value.splice)) ? !size(value) : !keys(value).length; } return isEmpty; });