Deno 1.0: A New Era in JavaScript Development
After almost two years of anticipation, Deno 1.0 is finally here! The brainchild of Ryan Dahl, the creator of Node.js, Deno is a game-changing JavaScript/TypeScript programming environment that combines the best open-source technologies into a single, compact executable file.
Security by Design
Unlike Node.js, which has unrestricted access to your file system and network, Deno is secure by default. It uses command-line options to explicitly grant access to different parts of the system, ensuring that your code runs with minimal permissions. You can also use permission whitelists to specify exactly what Deno can access.
The Standard Library
Deno’s standard library is a collection of commonly used modules that are maintained by the Deno project and guaranteed to work with Deno. This eliminates the need to search for third-party modules to solve common problems, making development faster and less stressful.
ECMAScript Modules
Deno uses the official ECMAScript module standard, rather than legacy CommonJS. This means you can reference modules using a URL or file path, with a mandatory file extension. No more messing around with.mjs files!
Package Management
Gone are the days of npm! Deno’s decentralized package management system allows anyone to host a package, and you can import ECMAScript modules directly from the web. No more node_modules directory, and no more magical module resolution.
Tooling and More
Deno comes with a range of built-in tooling, including a test runner, formatter, and compiler API. You can also use the Visual Studio Code extension for full IntelliSense support and more. With Deno, you can say goodbye to the complexity of JavaScript tooling and hello to a more streamlined development experience.
The Future of JavaScript Development
Deno 1.0 is a major step forward for JavaScript development. By using web standards, providing TypeScript support out of the box, and offering built-in tooling, Deno removes many of the drawbacks of traditional JavaScript development. Whether you’re a seasoned developer or just starting out, Deno is definitely worth checking out.