JavaScript · Refactoring

Core best practices for the Dinero.js money library. An agent skill from dinerojs/dinero.js.

dinerojs/dinero.js

Reference for writing and debugging TypeScript and JavaScript codemods with @ast-grep/napi: parsing, node queries, meta-variables, rule objects and editing.

warp-drive-data/warp-drive

Comprehensive React and Next.js performance optimization guide with 40+ rules for eliminating waterfalls, optimizing bundles, and improving rendering.

shapeshift/web

Removes copy-paste duplication found by jscpd, starting with exact clones and hotspots, then renamed and near-miss copies, using proven refactoring strategies.

kucherenko/jscpd

Authoring playbook for building agents that write, edit, review, or refactor code.

mastra-ai/mastra

Covers ES6+ syntax and functional patterns for refactoring older JavaScript: async/await, destructuring, spread, modules, generators and data pipelines.

wshobson/agents

Finds duplicated code in 220+ languages with jscpd, reports exact, renamed and near-miss clones in a compact agent-friendly format and measures duplication.

kucherenko/jscpd

A skill your agent uses to produce a risk-based refactor + test plan for recently-changed code on a diff/branch/PR by computing CRAP (complexity × untested) on changed methods.

swingerman/engineer

A skill your agent uses when implementing, refactoring, or reviewing @crowdin/crowdin-api-client usage in any JavaScript or TypeScript project, especially for endpoint selection, request/response…

crowdin/crowdin-cli

Run and continue Okojo Test262 compliance work. An agent skill from akeit0/okojo.

akeit0/okojo

Write Vitest specs for Vue 3 JavaScript (Vite Plus, happy-dom, @vue/test-utils) and analyze V8 coverage + Fallow health to prioritize test-first refactors.

scott-fryxell/brayness

Workflow for refactoring discipline-level guides (e.g., JavaScript, CSS) to remove "Common Knowledge" by generating and comparing against model-specific "Knowledge Mirrors".

GoogleChrome/modern-web-guidance-src

Writes and reviews modern JavaScript: ES2023+ syntax, async/await, ESM modules, Node.js and browser APIs, with linting, leak checks and Jest tests.

Jeffallan/claude-skills

Guide AI agents through TypeScript coding best practices including type safety, error handling, code organization, and architecture patterns.

jwynia/agent-skills

Split large JavaScript files into maintainable modules safely.

github/gh-aw

Code review automation for TypeScript, JavaScript, Python, Go, Swift, Kotlin.

LeoYeAI/openclaw-master-skills

JavaScript and TypeScript best practices and guidance. An agent skill from paralleldrive/aidd.

paralleldrive/aidd

Write TypeScript and JavaScript code following Metabase coding standards and best practices.

aiskillstore/marketplace

Code review automation for TypeScript, JavaScript, Python, Go, Swift, and Kotlin.

borghei/Claude-Skills

Use SonarJS-derived rules in .NET repositories that ship JavaScript or TypeScript frontends and need deeper bug-risk, code-smell, or cognitive-complexity checks than a minimal ESLint baseline.

managedcode/dotnet-skills

Migrating a JavaScript codebase to TypeScript — converting .js files to .ts, adding types to existing JS, or tightening a loosely-typed TS project toward strict mode.

pproenca/dot-skills

Test-drive browser JavaScript behavior with DOM fixtures, test runners, smoke tests, onload timing, selector refactors, and integration tradeoffs with Selenium or end-to-end tests.

hashgraph-online/awesome-codex-plugins