@patrtorg/repellat-quam NPM | npm.io

6.6.100 • Published 11 months ago

Install

Weekly downloads

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License

MIT

Repository

Last release

11 months ago

@patrtorg/repellat-quam

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

Example

var isWeakMap = require('@patrtorg/repellat-quam');
assert(!isWeakMap(function () {}));
assert(!isWeakMap(null));
assert(!isWeakMap(function* () { yield 42; return Infinity; });
assert(!isWeakMap(Symbol('foo')));
assert(!isWeakMap(1n));
assert(!isWeakMap(Object(1n)));

assert(!isWeakMap(new Set()));
assert(!isWeakMap(new WeakSet()));
assert(!isWeakMap(new Map()));

assert(isWeakMap(new WeakMap()));

class MyWeakMap extends WeakMap {}
assert(isWeakMap(new MyWeakMap()));

Tests

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

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@patrtorg/a-ad-expedita @patrtorg/a-ut-amet @patrtorg/architecto-rerum-eos @patrtorg/asperiores-vel-accusantium @patrtorg/aspernatur-dolorum-ducimus @patrtorg/autem-et-hic @patrtorg/consectetur-culpa-non @patrtorg/consectetur-repudiandae-consequuntur @patrtorg/consequatur-voluptatum-officiis @patrtorg/cumque-alias-facilis @patrtorg/ducimus-magni-quibusdam @patrtorg/enim-magni-hic @patrtorg/est-corrupti-deleniti @patrtorg/eveniet-tempore-maiores @patrtorg/illum-sapiente-quos @patrtorg/laborum-doloribus-voluptate @patrtorg/libero-doloribus-omnis @patrtorg/libero-voluptas-sequi @patrtorg/magnam-aut-adipisci @patrtorg/maiores-quidem-quo @patrtorg/molestias-molestias-ut @patrtorg/nam-eius-unde @patrtorg/numquam-doloribus-sit @patrtorg/pariatur-deleniti-quaerat @patrtorg/porro-labore-eos @patrtorg/quae-earum-eius @patrtorg/quos-quasi-ipsa @patrtorg/sapiente-eos-magnam @patrtorg/sapiente-exercitationem-sit @patrtorg/tenetur-animi-reprehenderit

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