Various JavaScript/TypeScript utilities of wide relevance to the MetaMask codebase

Detect Node.JS (as opposite to browser environment). ESM modification

Post-process quantum measurement shot counts — normalize to probabilities, compute Z-basis expectation values, and marginalize qubits. Zero deps. (Z-basis statistics only, not tomography.)

Vite plugin that gates HMR updates behind an HTTP flush signal

A library used in place of the native window.postMessage which when used on both the sending and receiving windows allow for a nicer asynchronouse promise messaging between the windows

A light-weight module that brings Fetch API to node.js

A wrapper for the Heroku v3 API

A small set of utilities for child process.

A window.fetch polyfill.

Auditable & minimal JS implementation of post-quantum cryptography: FIPS 203, 204, 205, Falcon

High-priority task queue for Node.js and browsers

Execute callbacks when child processes are spawned

Abstract subagent seam (ctx.subagents): named-provider registry for delegating to child agents

find process info by port/pid/name etc.

Process utils for NodeJS

Subprocess utils for NodeJS

An utility library for performing platform-dependent actions on browsers.

Persistent shell PTY backend over the DeepSeek Harness subprocess terminal primitive

Middleware for handling `multipart/form-data`.

Run a child as if it's the foreground process. Give it stdio. Exit when it exits.