Clone the repository with the --recursive option to automatically clone submodules:
git clone --recursive http://wdc-devsql1:8080/tfs/GIS/_git/MapStore2-WhanganuiDC-20220102-WhanganuiMaps
Install NodeJS >= 7.10.0 , if needed, from here.
Start the development application locally:
npm install
npm start
The application runs at http://localhost:8081 afterwards.
Read more on the wiki.