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A modern runtime for JavaScript and TypeScript. https://deno.com/
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Andreu Botella 9def44979a
fix(cli): Don't strip shebangs from modules (#13220)
Deno's module loader currently strips a shebang if a module file
starts with one. However, this is no longer necessary, since there is
a stage-3 TC39 that adds support for shebangs (or "hashbangs") to the
language (https://github.com/tc39/proposal-hashbang), and V8, `tsc`
and `swc` all support it.

Furthermore, stripping shebangs causes a correctness bug with JSON
modules, since a JSON file with a shebang should not parse as a JSON
module, yet it does with this stripping. This change fixes this.
2022-01-16 16:48:32 +01:00
.cargo Statically link the C runtime library on Windows (#4469) 2020-03-23 20:31:29 +01:00
.devcontainer chore: upgrade Rust version to 1.56.1 (#12870) 2021-11-24 13:26:18 -05:00
.github chore: upgrade to rust 1.58 (#13377) 2022-01-15 07:10:12 +01:00
bench_util chore: forward v1.17.3 to main (#13364) 2022-01-13 20:47:42 +01:00
cli fix(cli): Don't strip shebangs from modules (#13220) 2022-01-16 16:48:32 +01:00
core chore: upgrade to rust 1.58 (#13377) 2022-01-15 07:10:12 +01:00
docs chore: move docs to separate repository 2021-07-20 16:25:36 +02:00
ext chore: upgrade to rust 1.58 (#13377) 2022-01-15 07:10:12 +01:00
runtime chore: upgrade to rust 1.58 (#13377) 2022-01-15 07:10:12 +01:00
serde_v8 chore: forward v1.17.3 to main (#13364) 2022-01-13 20:47:42 +01:00
test_ffi feat(ext/ffi): UnsafeFnPointer API (#13340) 2022-01-12 12:38:26 +01:00
test_util chore: upgrade to rust 1.58 (#13377) 2022-01-15 07:10:12 +01:00
third_party@233e6ffcd1 feat(cli): update to TypeScript 4.5 (#12410) 2021-12-10 09:12:21 +11:00
tools feat(streams): reject pending reads when releasing reader (#13375) 2022-01-14 17:34:54 +01:00
.dlint.json chore: enable camelcase rule in dlint (#12605) 2021-10-30 18:31:19 +02:00
.dprint.json fix(cli): Don't strip shebangs from modules (#13220) 2022-01-16 16:48:32 +01:00
.editorconfig editorconfig: Don't insert final newline in .out files (#1686) 2019-02-07 11:31:49 -05:00
.gitattributes fix(test): support typechecking docs with CRLF line endings (#12748) 2021-11-15 09:58:04 -05:00
.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: update copyright to 2022 (#13306) 2022-01-07 22:09:52 -05:00
Cargo.lock chore: upgrade clap to v3 (#13266) 2022-01-14 17:38:17 +01:00
Cargo.toml feat(cli, runtime): compress snapshots (#13320) 2022-01-10 15:51:23 -08:00
CODE_OF_CONDUCT.md fix(tools): prettier formatting (#6206) 2020-06-09 17:50:41 +02:00
LICENSE.md chore: update copyright to 2022 (#13306) 2022-01-07 22:09:52 -05:00
README.md docs(README): link built in utilities (#12405) 2021-10-21 03:04:30 +09:00
Releases.md chore: forward v1.17.3 to main (#13364) 2022-01-13 20:47:42 +01:00
SECURITY.md chore: add SECURITY.md (#13279) 2022-01-04 17:28:25 +01:00

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.