Deno 1.0 is out!

Deno

@deno_land

v1.0.0 released! deno.land/v1

22:41 PM - 13 May 2020

776 1718

What is Deno?

From deno.land:

Deno is a simple, modern and secure runtime for JavaScript and TypeScript that uses V8 and is built in Rust.

• Secure by default. No file, network, or environment access, unless explicitly enabled.
• Supports TypeScript out of the box.
• Ships only a single executable file.
• Has built-in utilities like a dependency inspector (deno info) and a code formatter (deno fmt).
• Has a set of reviewed (audited) standard modules that are guaranteed to work with Deno: deno.land/std

But why!?

From Ryan Dahl:

JavaScript has changed significantly since Node was designed in 2009. Notably:

• Promises / Async / Await
• ES Modules
• Typed Arrays

Node has problems:

• A poorly designed module system, with centralized distribution.
• Lots of legacy APIs that must be supported.
• Security

(These problems aren't unique to Node. Python and Ruby suffer similary)

Ryan Dahl's HolyJS talk

Installation

Using shell

curl -fsSL https://deno.land/x/install/install.sh | sh

Using homebrew

brew install deno

Getting Started

A sample http server

import { serve } from "https://deno.land/[email protected]/http/server.ts";const s = serve({ port: 8000 });console.log("http://localhost:8000/");for await (const req of s) {  req.respond({ body: "Hello World\n" });}

Blog post: https://deno.land/v1

Are you guys excited to try?