spHttpClientutility that’s available in all SharePoint Framework solutions to make web requests. You could easily substitute something like @pnp/sp to abstract the web services. We also go through the process of creating an abstraction of our own during the course.
pageUrlvariable in the
config/serve.jsonfile (example here: https://github.com/ispfx/rating-field/blob/master/config/serve.json)
gulp serve, do you get this “Load Debug Scripts” dialog?
gulp servefrom the