Angular CLI HMR with Lazy-Loaded routes hot-reloads the whole thing
Solution 1:
This angular-cli wiki page is deprecated: https://github.com/angular/angular-cli/issues/14053
Angular-HMR + lazy routes is currently not supported: https://github.com/PatrickJS/angular-hmr/issues/76
For a working and non-trivial solution, have a look to https://github.com/wags1999/angular-hmr-lazy-components