Deno KV internals: building a database for the modern web
Deno is designed to streamline web and cloud development with built-in modern tools, direct access to web platform APIs, and the capability to import modules via npm. Web apps very often require some persistent application state. Setting up a database involves numerous configuration steps and the subsequent integration of an ORM or other systems. What if you could access such a database without an
JSR Is Not Another Package Manager
Over the past years, new package managers like yarn and pnpm have emerged, enhancing how packages are downloaded. However, the npm package registry, a cornerstone of the JavaScript ecosystem, has barely evolved. Its last notable update was a “files” tab added years ago. The JavaScript language, known for its vibrant evolution, seems paradoxically mired in a distribution model that hasn’t kept pace
How we built JSR
We recently launched the JavaScript Registry - JSR. It’s a new registry for JavaScript and TypeScript designed to offer a significantly better experience than npm for both package authors and users: It natively supports publishing TypeScript source code, which is used to auto-generate documentation for your package It’s secure-by-default, supporting token-less publishing from GitHub Actions and pa
Introducing JSR - the JavaScript Registry
Modules are published to JSR as TypeScript source code. API documentation generation, type declarations for Node-like environments, and transpilation are all handled by JSR. Module authors can focus on writing TypeScript only. Read on for more context on how and why we built JSR, how you can use it today, and how you can be involved in the project! Introducing JSR - the slightly longer versionJava
JSR: the JavaScript Registry
JSR is designed for TypeScript. You publish TypeScript source, and JSR handles generating API docs, .d.ts files, and transpiling your code for cross-runtime compatibility. JSR packages are distributed as web-standard ECMAScript modules. JSR isn't a replacement for the npm registry; it's a superset of npm. JSR modules can be used with any JavaScript package manager, and in any project with a node_m
Deno in 2023
In 2023, Deno shifted into high gear with respect to Node/npm compatibility and performance work, while continuing to move towards our goal of radically simplifying web development. Here’s a summary of what changed in 2023: Deno now understands package.json files and has the ability to import built-in Node modules using node: specifiers like node:fs and node:crypto. Read more. A new web server API
Deno 1.40: Temporal API
We are excited to announce the release of Deno 1.40, a significant step forward in the evolution of Deno. This new version is packed with features that enhance the Deno experience, introducing the powerful Temporal API for advanced date and time operations, and embracing the latest decorator syntax for more expressive code. Alongside these advancements, we’ve implemented a series of deprecations,
Announcing Deno Queues
In the ever-evolving world of cloud software, Deno aims to radically simplify. Leveraging public cloud infrastructure has traditionally demanded sifting through layers of boilerplate code and intricate configurations, often monopolizing a significant chunk of the developer’s time and energy. Our goal is to distill these intricacies into user-friendly primitives, enabling developers to design, refi
Node.js built-ins on Deno Deploy
We’re excited to announce that starting today, Deno Deploy supports importing Node.js built-in modules such as http, fs, and path. You can now run existing Node.js apps at the edge. Deno Deploy is a next-generation cloud platform built on JavaScript isolates. It runs your JavaScript, TypeScript, and WebAssembly at the edge, in our 35 global regions, close to your users. It scales automatically, fr
Deno 1.34: deno compile supports npm packages
As we continue our development journey towards Deno 2, this minor release is primarily focused on boosting compatibility with npm and Node.js, enhancing the overall quality of life and developer experience, and establishing the foundation for future performance enhancements. The most significant updates in this release include three highly anticipated features: deno compile supports npm packages G
Deno 1.33: Deno 2 is coming
As mentioned in the recent “Forced Optimization” presentation at Node Congress 2023, we’re working diligently towards a major release of Deno 2 in the coming months. Though our vision for Deno 2 is ambitious, our goals haven’t changed since we started the project: Effortless Coding: Whether that’s removing config, boilerplate code, or build steps, we’ve continued to make it easy for you to dive in
Deno KV - a global database for global apps
Read your data in milliseconds, worldwide. Enjoy seamless data consistency with ACID transactions. Develop and test locally using Deno CLI, where KV is built right in. Open a KV store in any Deno program with one line of code. It doesn't matter whether your code runs locally, or in any of our data centers around the world. Deno KV works anywhere, with zero setup and zero provisioning.
Supabase Edge Runtime: Self-hosted Deno Functions
🆕✨ Edge Functions now natively supports npm modules and Node built-in APIs. Learn more Today we’re open-sourcing Supabase Edge Runtime for self-hosting Deno Edge Functions. Edge Runtime is MIT licensed, written in Rust, and based on the latest Deno Runtime (1.32+). If you’ve been using the Supabase CLI to serve functions then you’re already one of our Beta testers (thanks!). Host your Edge Functi
Slack releases platform open beta powered by Deno
This is a guest blog written by Jim Ray, Director of Developer Advocacy at Slack. Seven years ago, we launched the Slack Platform for the first time, inviting developers to bring their favorite tools into Slack, where they’re already working everyday. A lot has changed since then — we’re now in a serverless era, plus developers have more pressure than ever to build fast while also staying nimble i
Big Changes Ahead for Deno
TLDR: We’ve been working on some updates that will allow Deno to easily import npm packages and make the vast majority of npm packages work in Deno within the next three months. Our goal is to make Deno the fastest JavaScript runtime. For starters, the next release of Deno will include a new HTTP server. It is the fastest JavaScript web server ever built. Given the extensive use of Deno by develop
wasmbuild - Using Rust in Deno and Web Apps
When writing JavaScript, it’s sometimes useful to call into Rust code. For example, there might be a complex algorithm already implemented in Rust that you want to reuse, or some Rust code might run faster and be more memory efficient than any JS implementation. This blog post introduces a new tool called wasmbuild, which simplifies the process of building and using Rust code in Deno and the brows
Fresh 1.0
Fresh is a new full stack web framework for Deno. By default, web pages built with Fresh send zero JavaScript to the client. The framework has no build step which allows for an order of magnitude improvement in deployment times. Today we are releasing the first stable version of Fresh. Client side rendering has become increasingly popular in recent years. React (and React-like) pages allow program
Deno raises $21M
The Deno company has raised $21M in an investment round led by Sequoia Capital with participation from Nat Friedman, Four Rivers Ventures, Insight Partners, Long Journey Ventures, Dylan Field, Automattic, Netlify, and Shasta Ventures. Developers today struggle with endless complexity in building web services. There is a jungle of tooling that must be well understood and delicately combined. There
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