Files
Nikolay Vitkov d76576c6fe [deps] Update EsLint v8.57.1 and plugins
This is need to be able to move to flat config which I am handling
in a separate CL.
The overrides are there as these packages got update today,
so we need to way, but they were last touched 3 years ago,
so reviewing their changes upstream as well.

Bug: none
Change-Id: I61534f881fd4e747c716b42b773f8f7f3e9bc761
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/6063618
Commit-Queue: Nikolay Vitkov <nvitkov@chromium.org>
Reviewed-by: Danil Somsikov <dsv@chromium.org>
2024-12-02 14:40:07 +00:00

1.9 KiB

is-weakmap Version Badge

github actions coverage License Downloads

npm badge

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

Example

var isWeakMap = require('is-weakmap');
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