moai-lang-javascript

Develop modern JavaScript applications across Node.js, Deno, and Bun runtimes.

Updated Feb 2, 2026
One-click install
npx skills add https://github.com/CJ-1981/excel-processor --skill moai-lang-javascript-cj-1981
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: moai-lang-javascript
Source: https://github.com/CJ-1981/excel-processor/tree/main/.claude/skills/moai-lang-javascript
Command: npx skills add https://github.com/CJ-1981/excel-processor --skill moai-lang-javascript-cj-1981

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill provides comprehensive support for modern JavaScript development, enabling efficient creation and maintenance of Node.js applications, APIs, and web services with up-to-date language features and tooling.

Core Features & Use Cases

  • Full ES2024+ Support: Leverage the latest JavaScript features like Set operations, Promise.withResolvers, and immutable array methods.
  • Multi-Runtime Compatibility: Develop for Node.js 22 LTS, Deno 2.x, and Bun 1.x.
  • Modern Tooling: Utilize Vitest for testing, ESLint 9 and Biome for linting/formatting, and Vite/esbuild for bundling.
  • Backend Frameworks: Build robust APIs with Express, Fastify, or Hono.
  • Use Case: Develop a new microservice using Node.js 22, implementing RESTful APIs with Fastify, writing unit tests with Vitest, and ensuring code quality with ESLint and Biome.

Quick Start

Create a new Vite project using npm create vite with the latest tag, project name, and vanilla template.

Frequently Asked Questions about moai-lang-javascript

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I set up a modern JavaScript project with Node.js 22 LTS and Fastify?

To set up a modern JavaScript project with Node.js 22 LTS, you can use the Skill to scaffold a Vite project and build robust APIs using the Fastify framework, ensuring compatibility with the latest ECMAScript standards.

Does this JavaScript development environment support Bun 1.x and Deno 2.x runtimes?

Yes, the JavaScript development environment supports multi-runtime compatibility, allowing you to develop and run applications seamlessly across Node.js 22 LTS, Deno 2.x, and Bun 1.x.

What's the best way to configure ESLint 9 and Biome for modern JavaScript development?

The best way to configure ESLint 9 and Biome for modern JavaScript development is to use the integrated tooling provided by the Skill, which ensures code quality through contemporary linting and formatting setups.

Can I use ES2024+ features like Set operations and Promise.withResolvers in my Node.js API?

Yes, you can use ES2024+ features like Set operations and Promise.withResolvers in your Node.js API, as the Skill provides full support for the latest ECMAScript standards across all compatible runtimes.

How do I write unit tests for a Fastify API using Vitest?

You can write unit tests for a Fastify API using Vitest by leveraging the modern tooling integrated into the Skill, which configures the testing framework to work seamlessly with your backend services.

What modern bundlers are supported for building JavaScript web applications?

For building JavaScript web applications, the Skill supports modern bundlers including Vite and esbuild, allowing you to efficiently compile and bundle your ECMAScript code for production.