lodash/isSymbol.js

import baseGetTag from './.internal/baseGetTag.js';
import isObjectLike from './isObjectLike.js';

/**
 * Checks if `value` is classified as a `Symbol` primitive or object.
 *
 * @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) == '[object Symbol]');
}

export default isSymbol;