DateFormat CORE

Add an import:

    import {TuiDateFormat} from '@taiga-ui/core';
 
// ...
 
@Component({
  standalone: true,
  imports: [
    // ...
    TuiDateFormat,
  ],
  // ...
})
export class Example {}

Add to the template:

    <tui-input-date [tuiDateFormat]="{mode, separator}"></tui-input-date>

Taiga UI

	import {TuiDateFormat} from '@taiga-ui/core';

	// ...

	@Component({
	standalone: true,
	imports: [
	// ...
	TuiDateFormat,
	],
	// ...
	})
	export class Example {}