JavaScript Jabber Unpacking Deno 2: Code Stability, Free Speech, and more - JSJ 648
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Sep 10, 2024 
Ryan Dahl, the mastermind behind Node.js and Deno, shares his journey of creating Deno 2, discussing its unique Rust implementation and TypeScript-first approach. The conversation dives into Deno's security model, emphasizing its sandboxing features and how it mitigates supply chain risks. Dahl also introduces JSR, a new open-source registry aimed at enhancing package quality and discoverability. Listeners will appreciate insights on Deno's role in edge computing and the future of JavaScript in data science.
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Why A New Registry Matters
- NPM stagnated after GitHub acquisition and didn't evolve for TypeScript, ESM, and multi-runtime needs.
- A modern registry should be open, support TypeScript, and target multiple runtimes and platforms.
Publish TypeScript And Incentivize Quality
- Publish TypeScript directly and use a registry that serves TypeScript to runtimes.
- Use registry scoring (JSR score) to encourage docs, types, and tests, improving package quality over time.
Quality Signals Beat Freshness
- Popularity and frequent updates don't equal quality; stable, well-documented packages should be surfaced.
- JSR aims to surface quality by scoring packages for documentation, TypeScript, and tests.