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A modern runtime for JavaScript and TypeScript. https://deno.com/
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Kitson Kelly a065604155
feat(cli): enable useUnknownInCatchVariables by default (#12547)
Closes #11826

**BREAKING CHANGE** this behaviour was disable when introduced in Deno 1.14/TypeScript 4.4. It will highlight code that unsafely handles variables that are caught, and will cause type errors in unsafe code.
2021-10-28 08:43:40 +11:00
.cargo Statically link the C runtime library on Windows (#4469) 2020-03-23 20:31:29 +01:00
.devcontainer chore: upgrade Rust to 1.55.0 (#11965) 2021-09-09 21:15:21 -04:00
.github chore: upgrade Rust to 1.56.0 (#12514) 2021-10-26 07:17:11 +02:00
bench_util chore: bump crate version for 1.15.3 (#12531) 2021-10-25 15:48:01 +09:00
cli feat(cli): enable useUnknownInCatchVariables by default (#12547) 2021-10-28 08:43:40 +11:00
core chore: update to rusty_v8 0.33.0 (#12564) 2021-10-27 23:26:15 +02:00
docs chore: move docs to separate repository 2021-07-20 16:25:36 +02:00
ext feat(ext/webstorage): use implied origin when --location not set (#12548) 2021-10-27 11:10:27 +11:00
runtime fix(workers): Make importScripts() use the same HTTP client as fetch (#12540) 2021-10-27 15:09:58 +02:00
serde_v8 chore: update to rusty_v8 0.33.0 (#12564) 2021-10-27 23:26:15 +02:00
test_ffi test(ext/ffi): add test for multiple buffers (#12373) 2021-10-10 15:18:02 +02:00
test_util fix(tls): Make TLS clients support HTTP/2 (#12530) 2021-10-25 18:41:06 +02:00
third_party@bc48d46314 chore: upgrade third_party for dprint 0.17 (#11930) 2021-09-06 12:44:07 -04:00
tools chore: update to rusty_v8 0.33.0 (#12564) 2021-10-27 23:26:15 +02:00
.dlint.json chore: upgrade dlint and run prefer-primordials rule (#11777) 2021-08-20 01:14:20 +02:00
.dprint.json fix(lsp): formatting should error on certain additional swc diagnostics (#12491) 2021-10-21 10:18:18 -04:00
.editorconfig editorconfig: Don't insert final newline in .out files (#1686) 2019-02-07 11:31:49 -05:00
.gitattributes chore: move test files to testdata directory (#11601) 2021-08-11 10:20:47 -04:00
.gitignore tests: fix wpt epoch ci job (#10960) 2021-06-14 20:57:02 +02:00
.gitmodules tests: fix wpt epoch ci job (#10960) 2021-06-14 20:57:02 +02:00
.rustfmt.toml chore: format toml files internally (#11563) 2021-08-02 10:19:27 -04:00
Cargo.lock chore: update to rusty_v8 0.33.0 (#12564) 2021-10-27 23:26:15 +02:00
Cargo.toml chore: update to rusty_v8 0.33.0 (#12564) 2021-10-27 23:26:15 +02:00
CODE_OF_CONDUCT.md fix(tools): prettier formatting (#6206) 2020-06-09 17:50:41 +02:00
LICENSE.md update copyright to 2021 (#9081) 2021-01-10 21:59:07 -05:00
README.md docs(README): link built in utilities (#12405) 2021-10-21 03:04:30 +09:00
Releases.md v1.15.3 (#12533) 2021-10-25 20:11:55 +09:00

Deno

Build Status - Cirrus Twitter handle Discord Chat

the deno mascot dinosaur standing in the rain

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.
  • Supports TypeScript out of the box.
  • Ships only a single executable file.
  • Built-in utilities.
  • Set of reviewed standard modules that are guaranteed to work with Deno.

Install

Shell (Mac, Linux):

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

PowerShell (Windows):

iwr https://deno.land/x/install/install.ps1 -useb | iex

Homebrew (Mac):

brew install deno

Chocolatey (Windows):

choco install deno

Scoop (Windows):

scoop install deno

Build and install from source using Cargo:

cargo install deno --locked

See deno_install and releases for other options.

Getting Started

Try running a simple program:

deno run https://deno.land/std/examples/welcome.ts

Or a more complex one:

const listener = Deno.listen({ port: 8000 });
console.log("http://localhost:8000/");

for await (const conn of listener) {
  serve(conn);
}

async function serve(conn: Deno.Conn) {
  for await (const { respondWith } of Deno.serveHttp(conn)) {
    respondWith(new Response("Hello world"));
  }
}

You can find a deeper introduction, examples, and environment setup guides in the manual.

The complete API reference is available at the runtime documentation.

Contributing

We appreciate your help!

To contribute, please read our contributing instructions.