Does this JS environment support the `name` property on functions?
Test runner for web applications
Helper function to check for literal RegEx
Which kind of Collection (Map, Set, WeakMap, WeakSet) is this JavaScript value? Works cross-realm, without `instanceof`, and despite Symbol.toStringTag.
Detect if we were run as a result of `npm publish`
Cloudflare builder for next apps
For managing certificates when developing Office Add-ins.
Helper package to shim a method into `Array.prototype[Symbol.unscopables]`
Is this JS value callable? Works with Functions and GeneratorFunctions, despite ES6 @@toStringTag.
Which kind of Typed Array is this JavaScript value? Works cross-realm, without `instanceof`, and despite Symbol.toStringTag.
ES spec-like internal slots
Is this value a JS Number object? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
ECMAScript spec-compliant polyfill/shim for `globalThis`
UI for Vitest
Dev Tools for ProseMirror
ECMAScript “ToPrimitive” algorithm. Provides ES5 and ES2015 versions.
Is this value a JS Boolean? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
Is this value a JS regex? Works cross-realm/iframe, and despite ES6 @@toStringTag
/dev/null for node streams
The WASM package for prisma-fmt
Determine if the JS environment has BigInt support.
Unbox a boxed JS primitive value.
Development servers for starting React Native projects
Create an error from multiple errors