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A modern runtime for JavaScript and TypeScript. https://deno.com/
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Ryan Dahl 1b7938e3aa
Add libdeno.builtinModules (#1463)
This is needed to support builtin modules like

    import { open } from "deno"
2019-01-06 16:32:21 -05:00
.github Add Docs.md 2018-10-19 21:36:07 -04:00
build@75a7f82d32 build: manage win lld-link.exe thin archive flag with config("thin_archive") 2018-12-08 00:21:30 +01:00
build_extra Use flatbuffers from crates.io (#1400) 2018-12-23 12:39:40 -05:00
js Add libdeno.builtinModules (#1463) 2019-01-06 16:32:21 -05:00
libdeno Add libdeno.builtinModules (#1463) 2019-01-06 16:32:21 -05:00
prebuilt travis: Set CARGO_HOME to third_party/rust_crates (#1370) 2018-12-18 21:09:30 -05:00
src Revert "Split Runner from Compiler" (#1462) 2019-01-06 14:17:13 -05:00
tests Revert "Split Runner from Compiler" (#1462) 2019-01-06 14:17:13 -05:00
third_party@fea379af92 travis: Work around clang_format error 2018-12-24 11:31:17 -05:00
tools Move testing module to deno_std (#1451) 2019-01-03 14:55:22 -05:00
website Add CI badges to website 2018-12-31 19:38:27 +00:00
.appveyor.yml AppVeyor: Disable DENO_BUILD_PATH cache. 2019-01-03 09:45:40 -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 build: make cargo build work 2018-12-19 17:50:25 +01:00
.prettierignore Remove msg_generated hack (#409) 2018-07-25 23:07:50 -04:00
.prettierrc.json tools/format: format markdown files with prettier 2018-10-04 02:02:23 -07:00
.travis.yml ci: use RUST_BACKTRACE=full 2019-01-03 09:45:40 -05:00
BUILD.gn Revert "Split Runner from Compiler" (#1462) 2019-01-06 14:17:13 -05:00
build.rs cargo build: skip setup.py if possible 2018-12-20 15:32:12 -05:00
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 v0.2.5 2019-01-01 14:30:23 -05:00
Cargo.toml v0.2.5 2019-01-01 14:30:23 -05:00
Docs.md Add Scoop installation command to Docs.md (#1468) 2019-01-05 16:11:04 -05:00
gclient_config.py Upgrade V8 to 7.2.502.16 (#1403) 2018-12-23 17:08:08 -05:00
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 Process source maps in Rust instead of JS (#1280) 2018-12-06 23:05:36 -05:00
README.md Add Scoop installation command to README.md (#1467) 2019-01-05 16:11:57 -05:00
Releases.md v0.2.5 2019-01-01 14:30:23 -05:00
Roadmap.md Add Docs.md 2018-10-19 21:36:07 -04:00
rollup.config.js Omit sources from source maps in bundle. 2018-11-05 13:26:54 -08:00
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 secure TypeScript runtime built on V8

  • 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.

Install

With Python:

curl -L https://deno.land/x/install/install.py | python

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 also deno_install.

Status

Under development.

We make binary releases here.

Docs are here.