electron
npm install
$(npm bin)/electron .
typescript
npm -g typescript
npm -g tsd
tsd install
# compile
tsc -p .
環境変数をセット
# windows
>set SLACK_WEBHOOK_URL=https://hooks.slack.com/services/XXXXX/XXXXX/XXXXX
# Unix
$ export SLACK_WEBHOOK_URL=https://hooks.slack.com/services/XXXXX/XXXXX/XXXXX