Arnaud Mouronval

@bastienjalbert, the branch is `fix/yarn_incompatibility`, it is dedicated for ngx-matomo 2.0. If you want to backport it to version 1.1 cherrypick the commit and apply it on top of the...

Too bad it does not work (however I think I will keep this modification). I'm going to make a dedicated app to try to reproduce it. @RomainFALLER, is there any...

Thanks @RomainFALLER! I think I know my mistake. With the previous declaration of optional dependencies, `@angular/router` was not really optional for `npm` but was for `yarn` (and also a warning...