+++ /dev/null
-'use strict';
-
-var strValue = String.prototype.valueOf;
-var tryStringObject = function tryStringObject(value) {
- try {
- strValue.call(value);
- return true;
- } catch (e) {
- return false;
- }
-};
-var toStr = Object.prototype.toString;
-var strClass = '[object String]';
-var hasToStringTag = typeof Symbol === 'function' && typeof Symbol.toStringTag === 'symbol';
-
-module.exports = function isString(value) {
- if (typeof value === 'string') {
- return true;
- }
- if (typeof value !== 'object') {
- return false;
- }
- return hasToStringTag ? tryStringObject(value) : toStr.call(value) === strClass;
-};