1. Build
Build TS file to JS.
yarn build
2. Build (in watch mode)
Build TS file to JS in watch mode. If there is any changes in TS file, build is triggered.
yarn build:watch
3. Start dev
Transpile TS to JS in watch mode and run JS file using nodemon. If there is any changes in TS file, build is triggered and the app is ran again.
yarn start:dev