Determine if the JS environment has `Symbol.toStringTag` support. Supports spec, or shams.
Implementation of Function.prototype.bind
Helper functions around Function call/apply/bind, for use in `call-bind`
Determine if the current node version supports the `--preserve-symlinks` flag.
Does the environment have full property descriptor support? Handles IE 8's broken defineProperty/gOPD.
Determine if a function is a native generator function.
ES2019 spec-compliant String.prototype.trimStart shim.
Determine if the JS environment has Symbol support. Supports spec, or shams.
An ES2019 spec-compliant `Array.prototype.flat` shim/polyfill/replacement that works as far down as ES3.
Robust call-bound JavaScript intrinsics, using `call-bind` and `get-intrinsic`.
ES2019 spec-compliant String.prototype.trimEnd shim.
Is this JS value callable? Works with Functions and GeneratorFunctions, despite ES6 @@toStringTag.
An ES2019 spec-compliant `Array.prototype.flatMap` shim/polyfill/replacement that works as far down as ES3.
Get and robustly cache all JS language-level intrinsics at first require time
Is this value a JS Boolean? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
This library provides the functionality of PBKDF2 with the ability to use any supported hashing algorithm returned from crypto.getHashes()
An ES2015 mostly-spec-compliant `Reflect.getPrototypeOf` sham/polyfill/replacement that works in as many engines as possible
Determine if the JS environment has BigInt support.
Is this specifier a node.js core module?
ES6 spec-compliant Object.assign shim. From https://github.com/es-shims/es6-shim
Does this JS environment support the `name` property on functions?
Which kind of Typed Array is this JavaScript value? Works cross-realm, without `instanceof`, and despite Symbol.toStringTag.
Which kind of Collection (Map, Set, WeakMap, WeakSet) is this JavaScript value? Works cross-realm, without `instanceof`, and despite Symbol.toStringTag.
Gets the description of a Symbol. Handles `Symbol()` vs `Symbol('')` properly when possible.