Run a function exactly one time

JSON parse & stringify that supports binary via bops & base64

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

ECMAScript AST recursive visitor

Callback wrapping utility

deterministic `JSON.stringify()` - a faster version of substack's json-stable-strigify without jsonify

Safer Node.js Buffer API

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

Returns true if a string has an extglob.

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

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

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

A small polyfill for Object.setprototypeof

A powerful and opinionated Discord.js wrapper.

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

Floema-style Lit Web Components for DTC and cross-border e-commerce storefronts — navigation, SKU selector, checkout address, drawer, toast. Tree-shaking subpath exports.

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

process.nextTick but always with args

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

Merge multiple streams into one stream in sequence or parallel.