In the project directory, you can run:
Runs the app in the development mode.
Open http://localhost:3000 to view it in the browser.
The page will reload if you make edits.
You will also see any lint errors in the console.
Launches the test runner ( mocha ) in the interactive watch mode.
See the section about
Launches the test runner ( mocha ) in the node console debug mode
Launches the test runner ( mocha ) in the chrome devtools debug mode
Launches the test runner ( mocha ) and NYC for coverage