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A modern runtime for JavaScript and TypeScript. https://deno.com/
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Divy Srivastava d461a784b2
perf(core): don't access isolate slots for JsRuntimeState (#16376)
example writeFile benchmark:

```
# before
time 188 ms rate 53191
time 168 ms rate 59523
time 167 ms rate 59880
time 166 ms rate 60240
time 168 ms rate 59523
time 173 ms rate 57803
time 183 ms rate 54644

# after
time 157 ms rate 63694
time 152 ms rate 65789
time 151 ms rate 66225
time 151 ms rate 66225
time 152 ms rate 65789
```
2022-10-21 19:43:42 +05:30
.cargo chore: fix clippy warnings (#15944) 2022-09-19 10:25:03 +02:00
.devcontainer chore: update devcontainer configuration (#15751) 2022-09-03 02:21:41 +02:00
.github enable bench bot (#16339) 2022-10-19 08:03:28 +05:30
bench_util chore: forward v1.26.2 to main (#16331) 2022-10-17 23:11:16 +02:00
cli chore(core): remove core.opSync (#16379) 2022-10-21 19:35:23 +05:30
core perf(core): don't access isolate slots for JsRuntimeState (#16376) 2022-10-21 19:43:42 +05:30
docs chore: move docs to separate repository 2021-07-20 16:25:36 +02:00
ext chore(core): remove core.opSync (#16379) 2022-10-21 19:35:23 +05:30
ops perf(core): don't access isolate slots for JsRuntimeState (#16376) 2022-10-21 19:43:42 +05:30
runtime feat: introduce navigator.language (#12322) 2022-10-18 15:33:35 +02:00
serde_v8 chore: upgrade rusty_v8 to 0.54.0 (#16368) 2022-10-20 21:01:49 +02:00
test_ffi fix(ext/ffi): Use BufferSource for FFI buffer types (#16355) 2022-10-21 09:16:57 +05:30
test_napi refactor(build): better handle old glibc (#16238) 2022-10-15 20:51:04 +05:30
test_util chore: upgrade internal deno_std to 0.160 (#16333) 2022-10-17 22:57:31 +00:00
third_party@17fd391b8f fix(npm): support compiling on linux/aarch64 (#16208) 2022-10-10 07:59:31 +05:30
tools chore: update release checklist for apiland (#16334) 2022-10-18 16:46:19 +02:00
.dlint.json chore: enable camelcase rule in dlint (#12605) 2021-10-30 18:31:19 +02:00
.dprint.json refactor: move out test files from root testdata directory into sub directories (#15949) 2022-09-19 10:32:21 -04:00
.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 feat(npm): implement Node API (#13633) 2022-10-05 19:36:44 +05:30
.gitmodules feat(ext/ffi): Implement FFI fast-call trampoline with Dynasmrt (#15305) 2022-09-07 12:23:56 +05:30
.rustfmt.toml chore: update copyright to 2022 (#13306) 2022-01-07 22:09:52 -05:00
Cargo.lock chore: upgrade rusty_v8 to 0.54.0 (#16368) 2022-10-20 21:01:49 +02:00
Cargo.toml perf(napi): optimize primitive napi functions (#16163) 2022-10-07 16:24:01 +05:30
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: use irm instead of iwr -useb (#15474) 2022-08-15 10:05:29 -04:00
Releases.md chore: forward v1.26.2 to main (#16331) 2022-10-17 23:11:16 +02:00
rust-toolchain.toml chore: use Rust 1.64.0 (#16035) 2022-09-26 21:52:16 +02:00
SECURITY.md chore: change e-mail address for security issues (#15239) 2022-07-18 16:55:05 -07:00

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/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:

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.