Get and robustly cache all JS language-level intrinsics at first require time

User-side undo/redo for DeepSeek Harness (dsh): the /undo command rolls the transcript back to before the last message and /redo restores it.

Cross platform children list of a PID

Perform async work synchronously in Node.js using `worker_threads` with first-class TypeScript support.

A Backstage plugin that integrates towards GitHub Actions

ES2019 spec-compliant String.prototype.trimStart shim.

Data structure for and Undo/Redo stack, using ImmutableJS

An ES2015 mostly-spec-compliant `Reflect.getPrototypeOf` sham/polyfill/replacement that works in as many engines as possible

A React hook for state time travel with undo, redo, reset, rebase and archive functionalities.

Implementation of Function.prototype.bind

Audits NPM, Yarn, and PNPM projects in CI environments

A Long class for representing a 64-bit two's-complement integer value.

Define multiple non-enumerable properties at once. Uses `Object.defineProperty` when available; falls back to standard assignment in older engines.

`Object.getOwnPropertyDescriptor`, but accounts for IE's broken implementation.

Determine if the JS environment has `Symbol.toStringTag` support. Supports spec, or shams.

Returns an array of Typed Array names that are available in the current environment

Actions tool-cache lib

parse argument options

Sets up Turborepo Remote Caching to work with GitHub Actions built-in cache

Robust call-bound JavaScript intrinsics, using `call-bind` and `get-intrinsic`.