Is this value a JS WeakRef? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
[![npm badge][11]][1]
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
v1.1.0 - 2024-12-13
npmignore to autogenerate an npmignore file 34494a378cb11df4ceaf5eslint, @ljharb/eslint-config, aud, auto-changelog, object-inspect, tape 24fccf5b27c6e9@ljharb/eslint-config, auto-changelog, npmignore, object-inspect, tape 30fe836@ljharb/eslint-config, aud, object-inspect, tape 0185ba7call-bound directly 641d87cengines.node 8543506aud with npm audit 883c75ccall-bind 805de0ecall-bind 6a7ee43object-inspect d3d6a99sideEffects flag 2b1305454cb0bcFAQs
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 13,770,382 weekly downloads. As such, is-weakref popularity was classified as popular.
We found that is-weakref demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
Did you know?
Socket for GitHub automatically highlights issues in each pull request and monitors the health of all your open source dependencies. Discover the contents of your packages and block harmful activity before you install or update your dependencies.
Security News
pnpm 10 blocks lifecycle scripts by default to improve security, addressing supply chain attack risks but sparking debate over compatibility and workflow changes.
Product
Socket now supports uv.lock files to ensure consistent, secure dependency resolution for Python projects and enhance supply chain security.
Research
Security News
Socket researchers have discovered multiple malicious npm packages targeting Solana private keys, abusing Gmail to exfiltrate the data and drain Solana wallets.