Does this skill support TypeScript?

While focused on modern JavaScript, it leverages Node.js 22's native type-stripping features and pairs perfectly with the moai-lang-typescript skill for full type-safe development.

How does it handle modern linting standards?

It follows the latest industry standards by implementing ESLint 9 flat configurations and Biome for high-performance linting and formatting.

Which JavaScript runtimes are covered?

The skill provides specialized knowledge for Node.js 20/22 LTS, Bun 1.x (including SQLite and S3 modules), and Deno 2.x environments.

Can it help with backend framework selection?

Yes, it provides optimized patterns for Express, Fastify, and Hono, allowing you to choose the best framework based on performance and deployment needs.

Modern JavaScript Specialist

Name: Modern JavaScript Specialist
Author: Ven0m0

byVen0m0

0•

API Development

Streamlines modern JavaScript development with expert guidance on ES2024+ features, cross-runtime compatibility, and high-performance backend frameworks.

This skill transforms Claude into a specialized JavaScript architect proficient in the latest ECMAScript standards (ES2024+) and modern runtimes like Node.js 22 LTS, Bun, and Deno. It provides deep implementation patterns for high-performance frameworks like Fastify and Hono, assists with contemporary tooling such as Biome and ESLint 9, and ensures robust application quality through advanced testing strategies with Vitest and Jest. It is ideal for developers building scalable APIs, migrating legacy codebases to modern syntaxes, or optimizing runtime performance across diverse environments.

Key Features

01Deep support for Node.js 22 LTS, Bun 1.x, and Deno 2.x runtimes and native APIs

020 GitHub stars

03Expert implementation of ES2024+ features including Promise.withResolvers and immutable array methods

04Advanced backend development patterns for Express, Fastify, and Hono frameworks

05Modern linting and formatting integration using ESLint 9 flat configurations and Biome

06Comprehensive setup for modern testing frameworks including Vitest and the native Node.js test runner

Use Cases

01Building high-performance, edge-ready APIs using Fastify or Hono with modern standards

02Architecting full-stack JavaScript applications with optimized testing and linting pipelines

03Migrating and refactoring legacy JavaScript codebases to ES2024+ and Node.js 22 LTS

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add ven0m0/claude-config javascript

For use in Claude.ai and ChatGPT