deno
A secure TypeScript runtime on V8
-
Supports TypeScript 2.8 out of the box. Uses V8 6.8.275.3. 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 Golang (privileged) is only done via serialized messages defined in this protobuf: https://github.com/ry/deno/blob/master/msg.proto This makes it easy to audit. To enable write access explicitly use
--allow-write
and--allow-net
for network access. -
Single executable:
> ls -lh deno -rwxrwxr-x 1 ryan ryan 55M May 28 23:46 deno > ldd deno linux-vdso.so.1 => (0x00007ffc6797a000) libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007f104fa47000) libstdc++.so.6 => /usr/lib/x86_64-linux-gnu/libstdc++.so.6 (0x00007f104f6c5000) libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007f104f3bc000) libgcc_s.so.1 => /lib/x86_64-linux-gnu/libgcc_s.so.1 (0x00007f104f1a6000) libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f104eddc000) /lib64/ld-linux-x86-64.so.2 (0x00007f104fc64000)
-
Always dies on uncaught errors.
-
Supports top-level await.
-
Aims to be browser compatible.
-
Can be used as a library to easily build your own JavaScript runtime. https://github.com/ry/deno/blob/master/cmd/main.go
Status
Segfaulty.
No docs yet. For some of the public API see https://github.com/ry/deno/blob/master/deno.d.ts
And examples are around here: https://github.com/ry/deno/blob/master/testdata/004_set_timeout.ts
Roadmap is here: https://github.com/ry/deno/blob/master/TODO.txt
Compile instructions
I will release binaries at some point but for now you have to build it yourself.
You need Protobuf 3. On Linux this might work:
cd ~
wget https://github.com/google/protobuf/releases/download/v3.1.0/protoc-3.1.0-linux-x86_64.zip
unzip protoc-3.1.0-linux-x86_64.zip
export PATH=$HOME/bin:$PATH
Then you need protoc-gen-go
and go-bindata
:
go get -u github.com/golang/protobuf/protoc-gen-go
go get -u github.com/jteeuwen/go-bindata/...
You need to get and build v8worker2
. It takes about 30 minutes to build:
go get -u github.com/ry/v8worker2
cd $GOPATH/src/github.com/ry/v8worker2
./build.py --use_ccache
Finally you can get deno
and its other Go deps.
go get -u github.com/ry/deno/...
Now you can build deno and run it:
> cd $GOPATH/src/github.com/ry/deno
> make
[redacted]
> ./deno testdata/001_hello.js
Hello World
>
make commands
make deno # Builds the deno executable
make test # Runs the tests.
make fmt # Formats the code.
make clean # Cleans the build.