Musique/node_modules/es6-symbol/is-symbol.js

9 lines
280 B
JavaScript

"use strict";
module.exports = function (value) {
if (!value) return false;
if (typeof value === "symbol") return true;
if (!value.constructor) return false;
if (value.constructor.name !== "Symbol") return false;
return value[value.constructor.toStringTag] === "Symbol";
};