decaffeinate
v2.41.2 coffee coffee-script convert es3 es6 esnext
flow
flow check lint
eslint src test pretest
npm run build test
mocha prebuild
rimraf dist && mkdirp dist && npm run flow && npm run lint build
rollup -c prepublish
npm run build semantic-release
semantic-release pre && npm publish && semantic-release post update-website
ts-node ./script/update-website.ts 