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A modern runtime for JavaScript and TypeScript. https://deno.com/
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Matt Mastracci 3487fde236
perf(core) Reduce copying and cloning in extension initialization (#18252)
Follow-up to #18210:

* we are passing the generated `cfg` object into the state function
rather than passing individual config fields
 * reduce cloning dramatically by making the state_fn `FnOnce`
 * `take` for `ExtensionBuilder` to avoid more unnecessary copies
 * renamed `config` to `options`
2023-03-17 22:15:27 +00:00
.cargo fix: upgrade deno_ast to 0.23 (#17269) 2023-01-04 18:54:54 -05:00
.devcontainer chore: update devcontainer configuration (#15751) 2022-09-03 02:21:41 +02:00
.github chore(ci): save a cargo cache specifically for linting (#18219) 2023-03-16 13:42:31 -04:00
bench_util feat(core) deno_core::extension! macro to simplify extension registration (#18210) 2023-03-17 18:22:15 +00:00
cli perf(core) Reduce copying and cloning in extension initialization (#18252) 2023-03-17 22:15:27 +00:00
core perf(core) Reduce copying and cloning in extension initialization (#18252) 2023-03-17 22:15:27 +00:00
ext perf(core) Reduce copying and cloning in extension initialization (#18252) 2023-03-17 22:15:27 +00:00
lockfile chore: forward v1.31.3 release commit to main (#18222) 2023-03-16 17:09:26 +09:00
ops chore(ops): inline FastFunction trait methods (#18226) 2023-03-16 13:20:41 +00:00
runtime perf(core) Reduce copying and cloning in extension initialization (#18252) 2023-03-17 22:15:27 +00:00
serde_v8 feat(serde_v8): support BigInt serialization (#18225) 2023-03-16 16:59:47 +00:00
test_ffi feat(ext/ffi): Make External pointers keep reference to V8 buffer (#17955) 2023-03-05 08:01:23 +00:00
test_napi feat(node): stabilize Node-API (#17553) 2023-02-14 15:53:00 +01:00
test_util fix(test_util): parse strace usecs/call in total line if present (#18241) 2023-03-17 10:39:57 +02:00
third_party@1f35d27cf6 ci: update to Ubuntu-22.04-XL runners (#18181) 2023-03-14 22:12:33 +05:30
tools BREAKING(unstable): remove WebGPU (#18094) 2023-03-17 00:29:32 +01:00
.dlint.json chore: update dlint to v0.37.0 for GitHub Actions (#17295) 2023-01-16 17:17:18 +01:00
.dprint.json test(ext/node): more node compat tests (#17827) 2023-02-20 16:35:04 +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 fix(npm): improve peer dependency resolution with circular dependencies (#18069) 2023-03-08 12:22:08 -05:00
.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 year to 2023 (#17247) 2023-01-02 21:00:42 +00:00
Cargo.lock perf: disable runtime snapshot compression (#18239) 2023-03-17 08:49:46 +05:30
Cargo.toml perf: disable runtime snapshot compression (#18239) 2023-03-17 08:49:46 +05:30
LICENSE.md chore: update copyright year to 2023 (#17247) 2023-01-02 21:00:42 +00:00
README.md docs: use irm instead of iwr -useb (#15474) 2022-08-15 10:05:29 -04:00
Releases.md chore: forward v1.31.3 release commit to main (#18222) 2023-03-16 17:09:26 +09:00
rust-toolchain.toml chore: update Rust to 1.68.0 (#18102) 2023-03-09 19:18:00 +00:00

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.