Composable utility functions to generate key pairs for the sr25519, ed25519, and ecdsa cryptographic schemes, along with utilities for hierarchical deterministic (HD) key derivation, tailored for use in the Polkadot and Substrate ecosystems.

Parse HTTP Content-Type header according to RFC 9110

Canonical dForge authoring registries — field types, base datatypes, column types, traits, data-view kinds and chart types — with derivation helpers. Runtime-dependency-free; the single source of truth shared by editors, the web app and the CLI.

JavaScript Implementation of a Multi-Factor Key Derivation Function (MFKDF)

Headless CMS — typed content-type schemas in code (defineContentType + the Schema field namespace), draft/published table derivation (contentTypeToEntities), the ctx.cms typed read surface, the write pipeline (saveDraft/publish/unpublish/archive with save

Hardhat plugin for the Ledger hardware wallet

Pure Typescript sr25519 implementation

Change the skin tone of an emoji 👌👌🏻👌🏼👌🏽👌🏾👌🏿

Sidebar plugin: session multi-level tree, search, grouping, state dots

Compressible Content-Type / mime checking

Runtime validation and processing of JavaScript types

Infer typescript types from your JSON schemas!

MemberJunction: Theme Engine - framework-agnostic derivation of the full --mj-* token contract from a small set of brand seeds (OKLCH ramps, state families, dark re-point, viz palette, shadows, a11y contrast report). Shared by the Angular theme builder an

Memoized selectors for Redux and other immutable object derivation

Get the type of an AMD module used for an AST node or within a file

A type-safe marriage of `EventTarget` and `EventEmitter`.

Pure javascript implementation of Bip32Ed25519, used for Cardano blockchain key pair.

JS type check (TypeScript supported) functions like `isPlainObject() isArray()` etc. A simple & small integration.

Detect the archive type of a Buffer/Uint8Array

Types on steroids 💊