Deno 1.43: Improved Language Server performance
Programming should be simple. That’s why we made Deno a zero-config, batteries-included JavaScript runtime with native TypeScript support, enabling immediate productivity. In version 1.43, we have enhanced the performance of Deno in IDEs by reducing auto-completion times from 6-8 seconds to under one second in large codebases and significantly decreasing memory usage. We have also achieved more co
Deno 1.37: Modern JavaScript in Jupyter Notebooks
Deno’s mission is to dramatically simplify software development. In Deno 1.37, we’re happy to extend this to interactive Jupyter notebooks. Starting in 1.37, you can use the new deno jupyter command to create a Deno kernel that can be used within notebooks. Additionally, Deno 1.37 comes with stronger Visual Studio Code and LSP support, better testing performance, improved Node compatibility, and m
Fresh 1.1 - automatic JSX, plugins, DevTools, and more
Fresh 1.1 - automatic JSX, plugins, DevTools, and more 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 development experience and deployment times. Today we are releasing the next significant version of Fresh. Version 1.1 brings a lot of
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
Roll your own JavaScript runtime
In this post we’ll walk through creating a custom JavaScript runtime. Let’s call it runjs. Think of it as building a (much) simplified version of deno itself. A goal of this post is to create a CLI that can execute local JavaScript files, read a file, write a file, remove a file and has simplified console API. Let’s get started. Update 2022-12-04: updated the code samples to the latest version of
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
Deno 1.22 Release Notes
If you are installing Deno for the first time, you can use one of the methods listed below: # Using Shell (macOS and Linux): curl -fsSL https://deno.land/x/install/install.sh | sh # Using PowerShell (Windows): iwr https://deno.land/x/install/install.ps1 -useb | iex # Using Homebrew (macOS): brew install deno # Using Scoop (Windows): scoop install deno # Using Chocolatey (Windows): choco install de
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Run a Node project with Deno and win prizes in the #NodeToDenoChallenge
https://deno.com/blog/deploy-beta1.html