deterministic JSON.stringify() with custom sorting to get deterministic hashes from stringified results, with no public domain dependencies

Allows users to use generators in order to write common functions that can be both sync or async.

Light ECMAScript (JavaScript) Value Notation - human written, concise, typed, flexible

type-check allows you to check the types of JavaScript values at runtime with a Haskell like type syntax.

Safer Node.js Buffer API

Returns true if a string has an extglob.

A small polyfill for Object.setprototypeof

The Node.js `util.deprecate()` function with browser support

Buffers events from a stream until you are ready to handle them.

Pass two numbers, get a regex-compatible source string for matching ranges. Validated against more than 2.78 million test assertions.

Fast (and loose) selective `process.env` replacer using js-tokens instead of an AST

ES2015 `Object.assign()` ponyfill

YAML 1.2 parser and serializer

Merge multiple streams into one stream in sequence or parallel.

Normalize slashes in a file path to be posix/unix-like forward slashes. Also condenses repeat slashes to a single slash and removes and trailing slashes, unless disabled.

process.nextTick but always with args

Use node's fs.realpath, but fall back to the JS implementation if the native one fails

extend like a boss

OpenClaw-like personal assistant

Create a stream that emits events from multiple other streams