blob: 8b28ee19adecdd75e1a08b7bd303fa450909f3b3 [file] [log] [blame]
var isObjectLike = require('../internal/isObjectLike');
/** `Object#toString` result references. */
var stringTag = '[object String]';
/** Used for native method references. */
var objectProto = Object.prototype;
/**
* Used to resolve the [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring)
* of values.
*/
var objToString = objectProto.toString;
/**
* Checks if `value` is classified as a `String` primitive or object.
*
* @static
* @memberOf _
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.
* @example
*
* _.isString('abc');
* // => true
*
* _.isString(1);
* // => false
*/
function isString(value) {
return typeof value == 'string' || (isObjectLike(value) && objToString.call(value) == stringTag);
}
module.exports = isString;