The Deno runtime, known for its modern approach to JavaScript and TypeScript, is gearing up for major updates aimed at enhancing both performance and compatibility. One of the most significant developments is a plan to streamline the import of NPM packages, making it easier for developers to utilize the extensive ecosystem of Node.js modules directly in Deno. This improvement not only simplifies the integration process but also allows the majority of NPM packages to work seamlessly within Deno. By opening up this interoperability, the Deno team hopes to make their runtime an attractive option for developers familiar with the Node.js ecosystem.
In an August 15 blog post, the Deno team outlined their ambitious goals, emphasizing improved compatibility with JavaScript written for Node.js and the ability to import and run NPM packages smoothly. This compatibility will be achieved through specially crafted NPM URLs, enabling developers to access and integrate NPM packages more efficiently. The team’s aim is to ensure that by the end of this initiative, 80-90% of NPM packages will function in Deno, bridging a gap between these popular runtimes and helping developers transition to Deno without abandoning familiar tools and libraries.
Beyond compatibility, Deno’s developers are focused on making the runtime one of the fastest in the JavaScript ecosystem. A major step towards this goal is the upcoming release of a new HTTP server, touted as “the fastest JavaScript web server ever built.” This performance-driven HTTP server, expected in the next Deno update, reflects the team’s commitment to delivering both speed and reliability. With Deno operating on a monthly release cycle, the next iteration, Deno 1.25, could arrive imminently, offering developers a taste of these improvements soon.
Additional optimizations are being pursued to elevate Deno’s performance across various use cases. The ops system, which handles calls between JavaScript and native code, is being optimized to interface directly with the V8 Fast API, significantly speeding up these interactions. Deno’s Foreign Function Interface (FFI) is also being updated, with a focus on achieving real-world performance gains rather than merely optimizing for niche cases. According to the team, developers can expect to see the effects of these enhancements before the summer concludes, promising a runtime that is not only more compatible but also exceptionally fast.