I renamed my Angular 4 project folder from auction-life to auction-05-life and replaced 3 occurrences of the old project name in:
With macOS you go to your angular project folder, and use sed command to replace old name by the new that you want:
LC_CTYPE=C && LANG=C && find * -type f -exec sed -i "" "s/old-angular-project-name/new-name/g" {} +