Determine if the JS environment has `Symbol.toStringTag` support. Supports spec, or shams.
Create an error with a code
Determine if the JS environment has Symbol support. Supports spec, or shams.
ES6 spec-compliant RegExp.prototype.flags shim.
A minimal, modern, generic, hot-reloading local web server to help web developers.
ES2019 spec-compliant String.prototype.trimStart shim.
Returns an array of Typed Array names that are available in the current environment
Define multiple non-enumerable properties at once. Uses `Object.defineProperty` when available; falls back to standard assignment in older engines.
A development-only overlay for developing React applications.
Babel command line
Robust call-bound JavaScript intrinsics, using `call-bind` and `get-intrinsic`.
Chrome Dev browser logo
An ES2019 spec-compliant `Array.prototype.flat` shim/polyfill/replacement that works as far down as ES3.
Replace port numbers with stable, named .localhost URLs. For humans and agents.
Does this JS environment support the `name` property on functions?
No description provided.
Test runner for web applications
A inter-process and inter-machine lockfile utility that works on a local or network file system
Determine if a function is a native generator function.
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`
A Babel plugin that annotates frontend components with additional data to enrich the experience in Sentry
For managing certificates when developing Office Add-ins.