Git blame for file trees

An extremely fast directory and filename linter - Bring some structure to your project filesystem

A Money class for high precision calculations using the ESnext bigint type.

Eslint plugin checking architecture boundaries between elements

Low-overhead lexer dedicated to ES module parsing for fast analysis

Process execution for humans

Fork of Playwright's locator resolution

Custom Jest/Vitest matcher for validating ARIA Live Regions

Stub behaviors of Vitest mock functions based on how they are called

🚧 A storybook addon to help better understand and debug performance for React components.

Node.js TypeScript wrapper

Compile ICU messages into code. Supports TypeScript and JSX. No runtime.

LZ-based compression algorithm for JavaScript

ast-grep VSCode is a structural search and replace extension for many languages.

⚡A CLI tool for code structural search, lint and rewriting. Written in Rust

RE2 is a fast, safe, thread-friendly alternative to backtracking regular expression engines like those used in PCRE, Perl, and Python. It is a C++ library.

YAML parser and stringifier for JavaScript

a proposal to add a method to iterators for producing an iterator of its subsequences

⚠️ hack into react internals

Python CLI utility and library for manipulating SQLite databases

An open source multi-tool for exploring and publishing data

A type-safe form validation library utilizing web fundamentals to progressively enhance HTML Forms with full support for server frameworks like Remix and Next.js.

A standard interface for TypeScript schema validation libraries

Utility for launching your applications on a per-test basis.

Automatically resync injected dependencies when using the PNPM package manager

A simple, fast and user-friendly alternative to 'find'

Lea's kitchen sink of form components. WIP. Try at your own risk or come back later.