This project was generated with Angular CLI version 8.3.19.
Run npm i --save d3 then, npm i --save-dev @types/d3.
Also, topojson and geojson types will be needed to render the map page:
npm i --save topojson, npm i --save-dev @types/topojson, npm i --save-dev @types/geojson
Run ng serve for a dev server. Navigate to http://localhost:4200/. The app will automatically reload if you change any of the source files.
Run ng generate component component-name to generate a new component. You can also use ng generate directive|pipe|service|class|guard|interface|enum|module.
Run ng build to build the project. The build artifacts will be stored in the dist/ directory. Use the --prod flag for a production build.
Run ng test to execute the unit tests via Karma.
Run ng e2e to execute the end-to-end tests via Protractor.
To get more help on the Angular CLI use ng help or go check out the Angular CLI README.