is-symbol
DefinitelyTyped icon, indicating that this package has TypeScript declarations provided by the separate @types/is-symbol package

1.0.4 • Public • Published

is-symbol Version Badge

github actions coverage dependency status dev dependency status License Downloads

npm badge

Is this an ES6 Symbol value?

Example

var isSymbol = require('is-symbol');
assert(!isSymbol(function () {}));
assert(!isSymbol(null));
assert(!isSymbol(function* () { yield 42; return Infinity; });

assert(isSymbol(Symbol.iterator));
assert(isSymbol(Symbol('foo')));
assert(isSymbol(Symbol.for('foo')));
assert(isSymbol(Object(Symbol('foo'))));

Tests

Simply clone the repo, npm install, and run npm test

Readme

Keywords

Package Sidebar

Install

npm i is-symbol

Weekly Downloads

24,139,356

Version

1.0.4

License

MIT

Unpacked Size

22 kB

Total Files

11

Last publish

Collaborators

  • ljharb