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A modern runtime for JavaScript and TypeScript.
https://deno.com/
e5819777c3
Use HttpRecord as response body so requests can be tracked all the way to response body completion. This allows Request properties to be accessed while the response body is streaming. Graceful shutdown now awaits a future instead of async spinning waiting for requests to finish. On the minimal benchmark this refactor improves performance an additional 2% over pooling alone for a net 3% increase over the previous deno main branch. Builds upon https://github.com/denoland/deno/pull/20809 and https://github.com/denoland/deno/pull/20770. --------- Co-authored-by: Matt Mastracci <matthew@mastracci.com> |
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.cargo | ||
.devcontainer | ||
.github | ||
bench_util | ||
cli | ||
ext | ||
runtime | ||
test_ffi | ||
test_napi | ||
test_util | ||
tools | ||
.dlint.json | ||
.dprint.json | ||
.editorconfig | ||
.gitattributes | ||
.gitignore | ||
.gitmodules | ||
.rustfmt.toml | ||
Cargo.lock | ||
Cargo.toml | ||
LICENSE.md | ||
README.md | ||
Releases.md | ||
rust-toolchain.toml |
Deno
Deno is a simple, modern and secure runtime for JavaScript and TypeScript that uses V8 and is built in Rust.
Features
- Secure by default. No file, network, or environment access, unless explicitly enabled.
- Provides
web platform functionality and APIs,
e.g. using ES modules, web workers, and
fetch()
. - Supports TypeScript out of the box.
- Ships only a single executable file.
- Built-in tooling including
deno test
,deno fmt
,deno bench
, and more. - Includes a set of reviewed standard modules guaranteed to work with Deno.
- Supports npm.
Install
Shell (Mac, Linux):
curl -fsSL https://deno.land/install.sh | sh
PowerShell (Windows):
irm https://deno.land/install.ps1 | iex
Homebrew (Mac):
brew install deno
Chocolatey (Windows):
choco install deno
Scoop (Windows):
scoop install deno
Build and install from source using Cargo:
# Install build dependencies
apt install -y cmake protobuf-compiler # Linux
brew install cmake protobuf # macOS
# Build and install Deno
cargo install deno --locked
See deno_install and releases for other options.
Getting Started
deno run https://examples.deno.land/hello-world.ts
Or setup a simple HTTP server:
Deno.serve((_req) => new Response("Hello, World!"));
Additional Resources
- The Deno Manual is a great starting point for additional examples, setting up your environment, using npm, and more.
- Runtime API reference documents all APIs built into Deno CLI.
- Deno Standard Modules do not have external dependencies and are reviewed by the Deno core team.
- deno.land/x is the registry for third party modules.
- Blog is where the Deno team shares important product updates and “how to”s about solving technical problems.
Contributing
We appreciate your help!
To contribute, please read our contributing instructions.