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A minimal library for executing processes in Node

HTML parser and serializer.

A small library to print colourful messages.

htmlparser2 tree adapter for parse5.

A tiny and fast text wrap library which takes ANSI escapes into account.

Clack contains low-level primitives for implementing your own command-line applications.

Effortlessly build beautiful command-line apps 🪄 [Try the demo](https://stackblitz.com/edit/clack-prompts?file=index.js)

Streaming HTML parser with scripting support.

Utilities for finding the closest package.json file

Streaming HTML rewriter.

Streaming SAX-style HTML parser.

A tiny utility to interact with the system clipboard.

A lightweight, no dependency, pluggable CLI spinner library.

A small library for parsing and serialisation query strings


This package provides a set of manifests which each define a mapping of JS modules to their suggested replacements.

The official e18e ESLint plugin for modernizing code and improving performance.

A small set of utilities for dealing with parse5 syntax trees

Lit support for PostCSS and related tooling

An ESLint plugin to suggest optimized dependencies, native alternatives and more

lit-html support for ESLint

A lightweight lockfile parser.

The most efficient JS implementation calculating the Levenshtein distance, i.e. the difference between two strings.

ESLint plugin for Web Components

An ESLint plugin to apply various a11y rules to JSX templates

A modern ID3 parser written completely in JavaScript, making use of typed arrays and the HTML5 File API

More than 100 powerful ESLint rules

A <1kB library for parsing CLI flags. Inspired by Deno's `std/cli` [`parseArgs`](https://github.com/denoland/std/blob/main/cli/parse_args.ts) module.

This repository aims to provide automated codemods for the modules provided in [module replacements](https://github.com/e18e/module-replacements). Feel free to use these codemods in any way you like.

styled-components support for PostCSS and related tooling

Renders strings containing ANSI escape codes to various outputs.

A vitest snapshot serializer which converts ANSI escapes to readable strings.

Simple web component to mark keywords in a string

The official e18e CLI

A small javascript library for stubbing and spying on methods/functions.

The core module of various postcss css-in-js syntaxes

A set of utilities for dealing with shadow DOM.

A library to extract package metadata from npm registry documents

A collection of codemods for web features

Detects the baseline target of a project based on source code.

A library to match user-defined engines and browserslist against targets.

The official e18e MCP server for advising agents on modern and performant best practices

The internal dev, build, and lint CLI for Bombshell projects

A terminal rendering backend for Clay, compiled to WebAssembly

YAML capabilities for ESLint

Pure-javascript RAR archive reader using AJAX, File API and local files.

Diff snapshots between AVA and Vitest

A set of utilities for dealing with shadow DOM.

A WebMCP MCP server.

A tiny and fast text slicing library which takes ANSI escapes into account.

Data integrity checking utilities

Investigates v8/Node.js function deoptimizations.

Determines changes in package-lock.json files

A serverless-focused GitHub bot framework.

A tiny linter for validating source maps.

A WebMCP browser polyfill.

The framework for CLIs

Converts GitHub actions into Tangled workflows and vice versa.

Stream that converts plain text files into HTML document.

Estimate the income of a given author.

An ESLint plugin for assisting with best practices when using assertion libraries

A command-line utility for detecting performance issues

A compiler for producing MCP servers

ESLint plugin for detecting redundant and unnecessary dependencies.

A small collection of test helpers for the web

A viewer for replaying terminal sessions recorded with ansivision.

A CLI to help with building publish workflows.

A tiny CLI spinner

A web component to render code using the Shiki library.

Analyses package-lock files for inconsistencies and problems.

A collection of useful utilities for lit components

A small utility to create nested query strings

A tiny unified data reader interface for AJAX, local and File API access.

A tool to publish sourcemaps externally.

Chai extensions for the hanbi testing library.