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is-weakref
Advanced tools
Changelog
v1.0.1 - 2020-12-04
05b4faa
nyc
on all tests 8df2e4b
4a716b8
eslint
, @ljharb/eslint-config
, aud
, auto-changelog
, object-inspect
be23cf3
call-bind
instead of es-abstract
a933a96
pull_request_target
event 4473ed2
bd3bfcd
Readme
Is this value a JS WeakRef? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
var isWeakRef = require('is-weakref');
assert(!isWeakRef(function () {}));
assert(!isWeakRef(null));
assert(!isWeakRef(function* () { yield 42; return Infinity; });
assert(!isWeakRef(Symbol('foo')));
assert(!isWeakRef(1n));
assert(!isWeakRef(Object(1n)));
assert(!isWeakRef(new Set()));
assert(!isWeakRef(new WeakSet()));
assert(!isWeakRef(new Map()));
assert(!isWeakRef(new WeakMap()));
assert(isWeakRef(new WeakRef({})));
class MyWeakRef extends WeakRef {}
assert(isWeakRef(new MyWeakRef({})));
Simply clone the repo, npm install
, and run npm test
FAQs
Is this value a JS WeakRef? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
The npm package is-weakref receives a total of 20,635,077 weekly downloads. As such, is-weakref popularity was classified as popular.
We found that is-weakref demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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