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A modern runtime for JavaScript and TypeScript. https://deno.com/
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Kitson Kelly ee9c627cc5 Split out compiler snapshot (#1566)
Speeds up startup time, reduces runtime heap size.
2019-01-28 20:41:28 -05:00
.github Rewrite tools/format.py in deno (#1528) 2019-01-17 15:09:44 -05:00
build@1e3840b6d9 build: write a gcc-style depfile when using clang-cl (#1525) 2019-01-15 04:48:46 +01:00
build_extra third_party: add the 'integer-atomics' crate 2019-01-26 16:32:03 +01:00
js Split out compiler snapshot (#1566) 2019-01-28 20:41:28 -05:00
libdeno Split out compiler snapshot (#1566) 2019-01-28 20:41:28 -05:00
prebuilt Upgrade sccache binaries to 0.2.8 (#1576) 2019-01-26 02:49:14 -05:00
src Split out compiler snapshot (#1566) 2019-01-28 20:41:28 -05:00
tests Split out compiler snapshot (#1566) 2019-01-28 20:41:28 -05:00
third_party@5ff36c849d third_party: add the 'integer-atomics' crate 2019-01-26 16:32:03 +01:00
tools Minor code cleanups (#1570) 2019-01-24 10:54:43 -05:00
website Change subtitle to 'A new way to JavaScript' (#1603) 2019-01-28 11:54:09 -05:00
.appveyor.yml Minor code cleanups (#1570) 2019-01-24 10:54:43 -05:00
.editorconfig Create .editorconfig file (#1592) 2019-01-26 13:18:49 -05:00
.gitattributes Add LSAN build to travis. 2018-12-03 15:31:06 -08:00
.gitignore travis: Set CARGO_HOME to third_party/rust_crates (#1370) 2018-12-18 21:09:30 -05:00
.gitmodules deno_net -> deno_std rename 2018-12-24 11:31:17 -05:00
.gn Revert "Remove symbol_level=1 override (#1532)" 2019-01-17 13:11:33 -05:00
.prettierignore Pipe new exception info through into JSError 2019-01-11 21:44:26 -05:00
.prettierrc.json tools/format: format markdown files with prettier 2018-10-04 02:02:23 -07:00
.travis.yml Upgrade sccache binaries to 0.2.8 (#1576) 2019-01-26 02:49:14 -05:00
BUILD.gn Split out compiler snapshot (#1566) 2019-01-28 20:41:28 -05:00
build.rs chore: update license lines (#1557) 2019-01-21 13:03:30 -06:00
build_overrides move v8 to third_party/v8 (#322) 2018-07-03 10:15:32 +02:00
buildtools move v8 to third_party/v8 (#322) 2018-07-03 10:15:32 +02:00
Cargo.lock third_party: add the 'integer-atomics' crate 2019-01-26 16:32:03 +01:00
Cargo.toml third_party: add the 'integer-atomics' crate 2019-01-26 16:32:03 +01:00
Docs.md Use shell installer in docs (#1574) 2019-01-25 13:40:56 -05:00
gclient_config.py chore: update license lines (#1557) 2019-01-21 13:03:30 -06:00
LICENSE Happy new year! 2019-01-02 02:37:08 +01:00
node_modules chore: reorganize symlinks 2018-07-06 01:57:32 -04:00
package.json Revert "Upgrade tslint and friends (#1571)" (#1573) 2019-01-26 03:04:03 -05:00
README.md Change subtitle to 'A new way to JavaScript' (#1603) 2019-01-28 11:54:09 -05:00
Releases.md docs(Releases.md): correct go prototype dates 2019-01-20 09:23:08 -06:00
Roadmap.md Add Docs.md 2018-10-19 21:36:07 -04:00
rollup.config.js chore: update license lines (#1557) 2019-01-21 13:03:30 -06:00
testing move v8 to third_party/v8 (#322) 2018-07-03 10:15:32 +02:00
tsconfig.json build: Use target/ instead of out/ (#1153) 2018-11-08 10:38:20 -08:00
tslint.json tslint: no-unused-variable is deprecated. 2018-10-04 00:25:55 -04:00

deno

Linux & Mac Windows

A new way to JavaScript.

  • Supports TypeScript out of the box. Uses a recent version of V8. That is, it's very modern JavaScript.

  • No package.json. No npm. Not explicitly compatible with Node.

  • Imports reference source code URLs only.

    import { test } from "https://unpkg.com/deno_testing@0.0.5/testing.ts";
    import { log } from "./util.ts";
    

    Remote code is fetched and cached on first execution, and never updated until the code is run with the --reload flag. (So, this will still work on an airplane. See ~/.deno/src for details on the cache.)

  • File system and network access can be controlled in order to run sandboxed code. Defaults to read-only file system access and no network access. Access between V8 (unprivileged) and Rust (privileged) is only done via serialized messages defined in this flatbuffer. This makes it easy to audit. To enable write access explicitly use --allow-write and --allow-net for network access.

  • Single executable:

    > ls -lh target/release/deno
    -rwxr-xr-x  1 rld  staff    48M Aug  2 13:24 target/release/deno
    > otool -L target/release/deno
    target/release/deno:
      /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 1252.50.4)
      /usr/lib/libresolv.9.dylib (compatibility version 1.0.0, current version 1.0.0)
      /System/Library/Frameworks/Security.framework/Versions/A/Security (compatibility version 1.0.0, current version 58286.51.6)
      /usr/lib/libc++.1.dylib (compatibility version 1.0.0, current version 400.9.0)
    >
    
  • Always dies on uncaught errors.

  • Aims to support top-level await.

  • Aims to be browser compatible.

See the website for more info deno.land.

Install

With Shell:

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

With PowerShell:

iex (iwr https://deno.land/x/install/install.ps1)

Note: Depending on your security settings, you may have to run Set-ExecutionPolicy RemoteSigned -Scope CurrentUser first to allow downloaded scripts to be executed.

With Scoop:

scoop install deno

Try it:

> deno https://deno.land/thumb.ts

See deno_install for more installation methods..