
Security News
npm ‘is’ Package Hijacked in Expanding Supply Chain Attack
The ongoing npm phishing campaign escalates as attackers hijack the popular 'is' package, embedding malware in multiple versions.
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
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 32,307,126 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
The ongoing npm phishing campaign escalates as attackers hijack the popular 'is' package, embedding malware in multiple versions.
Security News
A critical flaw in the popular npm form-data package could allow HTTP parameter pollution, affecting millions of projects until patched versions are adopted.
Security News
Bun 1.2.19 introduces isolated installs for smoother monorepo workflows, along with performance boosts, new tooling, and key compatibility fixes.