Downlaod and install nodejs, https://nodejs.org/en/download/ on mac, apt get install nodejs. Sorry. Then
npm install -g vulcanize
Finally
git submodule update --init --recursive
You should be good to go.
./bin/shapeviz test_data/layerstats_032118.csv
From shapeviz, start this and leave it going:
python -m SimpleHTTPServer 8003
Now open a chrome and go to http://localhost:8003/test/basic.html . Debug & reload in there.