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

1.0.4 • Public • Published

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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

/is-symbol/

    Package Sidebar

    Install

    npm i is-symbol

    Repository

    github.com/inspect-js/is-symbol

    Homepage

    github.com/inspect-js/is-symbol#readme

    Fund this package

    Weekly Downloads

    28,015,239

    Version

    1.0.4

    License

    MIT

    Unpacked Size

    22 kB

    Total Files

    11

    Last publish

    Collaborators

    • ljharb
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