A simple toolkit to work with custom errors. Definitely not a kid.

Properly update an error's class

Typed errors that closely emulate the native Error class.

Simple react component which can embed gist in your react application

A tiny vanilla javascript form validation library

A lightweight form validation library for Solid.js with PocketBase integration.

a Promise extension that provides filtered catch handler

The framework's load-bearing primitives — types, lattice algebra, the deterministic kernel, and the LLM-side capability/tool surface, all in one package with subpath-export-based separation.

Minimal and framework agnostic Node.js toolkit designed for AI agentic backend development.

Form Builder clients for Email, SMS, Submitter, User Data Store, User File Store, and JSON Web Token (for Node)

StreetJS structured diagnostics reporter: serializes errors into clean JSON DiagnosticEvents on stderr, strips Node-internal stack frames, and emits a 'diagnostic' event. Zero runtime dependencies.

Email field component

vue form validator

TypeScript definitions for blazy

Rise above the REST with GraphQL

A bundle of error classes

Library to handle form validation, similar to jQuery Validation, but without any dependencies.

Provides a form validator to validate empty inputs, select and checkboxes.

React component for showing error/success messages in your webpage

Form Builder JSON Web Token Client (Node)