From Ruby to Node: Overhauling Shopify’s CLI for a Better Developer Experience - Shopify

What this post added

This post details the complete rewrite of the Shopify CLI from Ruby to Node.js (TypeScript). It explains the rationale behind the decision, including reducing system requirements, improving developer experience, and aligning with web technologies. Key technical decisions and principles are highlighted: establishing a consistent foundation via the `@shopify/cli-kit` NPM package, ensuring cross-OS support through dedicated modules and CI testing, migrating to a monorepo (`shopify/cli`) for atomic contributions, and adopting functional programming paradigms to minimize side effects and improve code reasoning. The post also touches upon UI patterns using Ink and conventions for consistency.