Обновить угловой клин в глобальном масштабе
npm update @angular/cli -g
Copperfield
npm update @angular/cli -gnpm uninstall -g angular-cli
npm install -g @angular/cli@latest
npm uninstall -g @angular-cli
npm install -g @angular/cli@latest
For updating angular cli type this command :
ng update @angular/cli @angular/core
content_copy
ng update @angular/cli @angular/core
ng update @angular/cli@8.1.1 @angular/core@8.1.1