Ryan Dahl explains why Deno had to evolve with version 2.0
Aug 20, 2024
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Ryan Dahl, the creator of Deno and a prominent figure in the JavaScript community, discusses the evolution of Deno and its major 2.0 update. He highlights its new features like workspace support and improved security measures. Dahl emphasizes the shift from Node.js to Deno, focusing on scalability and performance boosted by Rust integration. He also touches on JavaScript's critical role in future web development and the necessity for advancements in server-side execution, making a compelling case for Deno's readiness for enterprise environments.
Deno 2.0 enhances the module system while ensuring compatibility with NPM, allowing seamless integration of existing JavaScript packages.
The emphasis on a secure by default model in Deno prioritizes user permissions, fostering a stable environment for enterprise-level applications.
Deep dives
Dino's Evolution and NPM Compatibility
Dino was developed as an improvement over Node, addressing shortcomings in its module system and evolving to meet modern needs. The introduction of Dino2 focuses on scaling up the module system while maintaining a simplified approach to JavaScript imports. Compatibility with NPM has become a key feature, enabling users to easily integrate existing JavaScript packages into their projects. This effort reflects the recognition that many developers rely on NPM for essential tools and SDKs, making it crucial for Dino to support these resources effectively.
Security Features and Stability Improvements
Dino prioritizes security by implementing a secure by default model where programs must explicitly request permission to access the network or file system. As Dino approaches its long-term stability goal, significant updates are planned, including a stable API set that is less likely to change. This emphasis on security and stability allows developers to confidently build applications without the fear of breaking changes affecting their system. The release of a long-term support (LTS) version signifies a commitment to maintaining a reliable environment for enterprise-level applications.
JavaScript's Future and Dino's Role
JavaScript continues to play a pivotal role as the default programming language for web development and business logic applications. The conversation reflects a belief in the technology's longevity, as it underpins a vast amount of online infrastructure. Dino aims to enhance JavaScript's capabilities and streamline the development process by reducing boilerplate and improving library distribution. With initiatives like Deno Deploy and the focus on secure, structured applications, Dino is poised to support the evolving landscape of JavaScript-based development for years to come.
If you’ve never seen it, check out Ryan’s classic talk, 10 Things I Regret About Node.JS, which gives a great overview of the reasons he felt compelled to create Deno.