Sample application to go along with this post. https://www.carlserver.com/blog/post/use-dropbox-for-persistent-storage-with-an-angular-application
angular-dropbox
Use Dropbox for persistent storage of a client-side angular app
This project was generated with Angular CLI version 7.3.6.
Run npm install to download required dependencies
Development server
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.
Build
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.
Code scaffolding
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.