I have set up my app so that I have a Recipe Book which has a list of Recipies which when I click on a Recipe it then shows the Recipe Details
Recipe Book
Recipies
Recipe Details
For production runGuardsAndResolvers: () => is not working. Angular has new feature for runGuardsAndResolvers.
For working you can try runGuardsAndResolvers: "pathParamsChange" Tested in Angular 8 works fine.