graphviz-dot.js

• dot (graphviz) command implement by javascript. (single binary)
  • include converted graphviz by emscripten.

GOAL

• easily distribute dot command.
  • use Graphviz Preview VScode plugin easily.
  • use BurntSushi/erd easily.
• png format support.

Now Support Feature

• support format: svg, pdf
• pipe(stdin) input
  • cat dot_files/test.dot | dot.js -T svg

How to Use? (Tutorial)

• use node.js

$ node bin/dot.js -T svg dot_files/test.dot -o test.svg

• use single binary

$ graphviz-dot -T svg dot_files/test.dot -o test.svg

How it work?

• converted graphviz by emscripten. (viz.js/viz-lite.js)
• cross compile by pkg

BUILDING

• use pkg (version: 4.2.6)
• node.js version: v8.9.3
• emscripten version: 1.37.22

BUILD viz-lite.js

$ cd viz.js
$ make viz-lite.js

BUILD graphviz-dot.js

$ pkg package.json --targets (you want to build platform.)
# example (for linux x64)
$ pkg package.json --targets node8-linux-x64
# example (for win x64)
$ pkg package.json --targets node8-win-x64
# All targets
$ pkg package.json --targets=linux-x64,linux-x86,macos-x64,win-x64,win-x86

Credits

This work is based off of several existing projects:

• https://github.com/zeit/pkg
• https://github.com/mdaines/viz.js
• http://manuels.github.io/unix-toolbox.js/