lhl 2bdf874dbb create		11 月之前
..
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test	2bdf874dbb create	11 月之前
.editorconfig	2bdf874dbb create	11 月之前
.eslintrc	2bdf874dbb create	11 月之前
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CHANGELOG.md	2bdf874dbb create	11 月之前
LICENSE	2bdf874dbb create	11 月之前
README.md	2bdf874dbb create	11 月之前
index.d.ts	2bdf874dbb create	11 月之前
index.js	2bdf874dbb create	11 月之前
package.json	2bdf874dbb create	11 月之前
tsconfig.json	2bdf874dbb create	11 月之前

is-set

Is this value a JS Set? This module works cross-realm/iframe, and despite ES6 @@toStringTag.

Example

var isSet = require('is-set');
assert(!isSet(function () {}));
assert(!isSet(null));
assert(!isSet(function* () { yield 42; return Infinity; });
assert(!isSet(Symbol('foo')));
assert(!isSet(1n));
assert(!isSet(Object(1n)));

assert(!isSet(new Map()));
assert(!isSet(new WeakSet()));
assert(!isSet(new WeakMap()));

assert(isSet(new Set()));

class MySet extends Set {}
assert(isSet(new MySet()));

Tests

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

README.md

is-set

Example

Tests