@NgModule({ imports: [ ... MatFormFieldModule, MatInputModule, ... ] })
@NgModule({ imports: [ MatButtonModule, MatFormFieldModule, MatInputModule, MatRippleModule, ] ....
// common-widgets.module.ts import { MatFormFieldModule } from '@angular/material/form-field'; import { MatInputModule } from '@angular/material/input'; @NgModule({ imports: [ MatFormFieldModule, MatInputModule ] }) export class CommonWidgetsModule { }