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ysyxx
e2037fbb59
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2 months ago | |
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| .. | ||
| .github | 2 months ago | |
| test | 2 months ago | |
| .editorconfig | 2 months ago | |
| .eslintrc | 2 months ago | |
| .gitattributes | 2 months ago | |
| .nycrc | 2 months ago | |
| CHANGELOG.md | 2 months ago | |
| LICENSE | 2 months ago | |
| README.md | 2 months ago | |
| index.d.ts | 2 months ago | |
| index.js | 2 months ago | |
| package.json | 2 months ago | |
| tsconfig.json | 2 months ago | |
README.md
is-weakset 
Is this value a JS WeakSet? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
Example
var isWeakSet = require('is-weakset');
assert(!isWeakSet(function () {}));
assert(!isWeakSet(null));
assert(!isWeakSet(function* () { yield 42; return Infinity; });
assert(!isWeakSet(Symbol('foo')));
assert(!isWeakSet(1n));
assert(!isWeakSet(Object(1n)));
assert(!isWeakSet(new Set()));
assert(!isWeakSet(new WeakMap()));
assert(!isWeakSet(new Map()));
assert(isWeakSet(new WeakSet()));
class MyWeakSet extends WeakSet {}
assert(isWeakSet(new MyWeakSet()));
Tests
Simply clone the repo, npm install, and run npm test