issymbol

issymbol tests if something is a Symbol. Works with either native Symbol or polyfill Symbol.

Usage

npm install --save issymbol

const issymbol = require('issymbol');

// works with any native Symbol implementation
issymbol(Symbol());
// → true

// also works with your favourite polyfill
const core = require('core-js/library');
issymbol(core.Symbol());
// → true

// returns false any input that is not a Symbol
issymbol('not a symbol');
// → false

Credit

Code for issymbol originated from https://github.com/medikoo/es6-symbol/.

License

MIT