EN
RU
ES
ZH
FR
DE
PT
AR
HI
TypeScript Expands Horizons: Official Support for the Deno Platform
The developer community has received important news: the TypeScript programming language now officially supports the new platform — Deno. This event marks a new stage in the evolution of TypeScript, which has long moved beyond being a simple "superset of JavaScript" and has become a powerful tool for creating both frontend and backend applications.
What is Deno and Why is it Important?
Deno is a modern, secure runtime for JavaScript and TypeScript, created by Ryan Dahl, the author of Node.js. Unlike its predecessor, Deno was initially designed with Node.js's shortcomings in mind, offering:
- Built-in security: scripts by default have no access to the file system, network, or environment without explicit permission.
- Modular system: support for ES modules out of the box and loading dependencies via URL without a package manager (npm).
- Unified toolchain: built-in linter, formatter, and compiler — no need to install additional utilities.
- Native TypeScript support: Deno understands TypeScript without additional configuration, compiling it on the fly.
What Does TypeScript Support Change?
Although Deno previously supported TypeScript, this integration has now become official and deep. The TypeScript team made changes to the compiler itself to ensure full compatibility with Deno's features. Specifically:
- Improved typing for Deno-specific APIs, such as working with files, network sockets, and subprocesses.
- Support for new modules — TypeScript now correctly handles URL imports characteristic of Deno.
- Faster compilation due to optimizations that account for the specifics of the Deno runtime.
Practical Benefits for Developers
For TypeScript developers, this means new opportunities. You can now write universal code that works both in the browser (via standard TypeScript) and on the server (via Deno). This is especially relevant for:
- Creating microservices with high security requirements.
- Writing CLI utilities and automation scripts.
- Developing APIs with minimal dependencies.
What's Next?
Experts note that Deno support makes TypeScript even more attractive for fullstack development. Near-term plans include deep integration with modern frameworks (e.g., Fresh, Oak) and improving the ecosystem to replace Node.js in some scenarios. For the PythonLib educational portal, this is an excellent reason to pay attention to TypeScript as a language that is not limited to the frontend but is becoming a universal tool for web development.
Stay tuned for updates: we will prepare individual lessons on setting up TypeScript for Deno and creating your first projects on this platform.
