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A modern runtime for JavaScript and TypeScript. https://deno.com/
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Andreu Botella 175f973a32
fix(core): Have custom errors be created in the right realm (#17050)
Although PR #16366 did not fully revert `deno_core`'s support for
realms, since `JsRealm` still existed after that, it did remove the
`ContextState` struct, originally introduced in #14734. This change made
`js_build_custom_error_cb`, among other properties, a per-runtime
callback, rather than per-realm, which cause a bug where errors thrown
from an op would always be constructed in the main realm, rather than in
the current one.

This change adds back `ContextState` to fix this bug, adds back the
`known_realms` field of `JsRuntimeState` (needed to be able to drop the
callback when snapshotting), and also relands #14750, which adds the
`js_realm_sync_ops` test for this bug that was removed in #16366.
2023-01-05 13:05:15 +01:00
.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 ci: update release action (#17034) 2022-12-13 15:59:21 +01:00
bench_util 1.29.1 (#17064) 2022-12-15 11:32:14 -05:00
cli chore: update node compat layer to std@0.170.0 (#17147) 2023-01-05 13:04:39 +01:00
core fix(core): Have custom errors be created in the right realm (#17050) 2023-01-05 13:05:15 +01:00
ext chore: bump deno_fetch and deno_http versions (#17124) 2023-01-05 13:04:39 +01:00
ops 1.29.1 (#17064) 2022-12-15 11:32:14 -05:00
runtime chore: Update dlint (#17031) 2023-01-05 13:04:38 +01:00
serde_v8 chore: update to Rust 1.66.0 (#17078) 2023-01-05 13:03:11 +01:00
test_ffi feat(ext/ffi): better type hints for Deno.dlopen (#16874) 2022-12-03 17:45:35 +05:30
test_napi chore: workspace inheritance (#16343) 2022-11-22 21:07:35 +01:00
test_util chore(test): report correct cwd when running tests via itest macro (#17132) 2023-01-05 13:04:38 +01:00
third_party@3e5b0cea16 chore: Update dlint (#17031) 2023-01-05 13:04:38 +01:00
tools fix(ext/fetch): new Request should soft clone (#16869) 2022-12-06 09:39:04 +01:00
.dlint.json chore: enable camelcase rule in dlint (#12605) 2021-10-30 18:31:19 +02:00
.dprint.json fix(fmt): panic in yaml header with multi-byte characters (#17042) 2022-12-13 23:36:02 +00:00
.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: bump deno_fetch and deno_http versions (#17124) 2023-01-05 13:04:39 +01:00
Cargo.toml chore: bump deno_fetch and deno_http versions (#17124) 2023-01-05 13:04:39 +01:00
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 1.29.1 (#17064) 2022-12-15 11:32:14 -05:00
rust-toolchain.toml chore: update to Rust 1.66.0 (#17078) 2023-01-05 13:03:11 +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/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.