| var baseGetTag = require('./_baseGetTag'), |
| isObjectLike = require('./isObjectLike'); |
| |
| /** `Object#toString` result references. */ |
| var symbolTag = '[object Symbol]'; |
| |
| /** |
| * Checks if `value` is classified as a `Symbol` primitive or object. |
| * |
| * @static |
| * @memberOf _ |
| * @since 4.0.0 |
| * @category Lang |
| * @param {*} value The value to check. |
| * @returns {boolean} Returns `true` if `value` is a symbol, else `false`. |
| * @example |
| * |
| * _.isSymbol(Symbol.iterator); |
| * // => true |
| * |
| * _.isSymbol('abc'); |
| * // => false |
| */ |
| function isSymbol(value) { |
| return typeof value == 'symbol' || |
| (isObjectLike(value) && baseGetTag(value) == symbolTag); |
| } |
| |
| module.exports = isSymbol; |
