fix(datepicker, radio): always call touched callback (#2026)

src/framework/theme/components/datepicker/datepicker.directive.ts

@@ -462,10 +462,8 @@ export class NbDatepickerDirective<D> implements OnDestroy, ControlValueAccessor
  fromEvent(this.input, 'blur').pipe(
  filter(() => !this.picker.isShown && this.document.activeElement !== this.input),
  ),
- ).pipe(
- takeWhile(() => this.alive),
- take(1),
- ).subscribe(() => this.onTouched());
+ ).pipe(takeWhile(() => this.alive))
+ .subscribe(() => this.onTouched());
  }
 
  protected writePicker(value: D) {

src/framework/theme/components/radio/radio-group.component.ts

@@ -22,7 +22,7 @@ import {
 import { isPlatformBrowser } from '@angular/common';
 import { ControlValueAccessor, NG_VALUE_ACCESSOR } from '@angular/forms';
 import { fromEvent, merge } from 'rxjs';
-import { filter, switchMap, take, takeUntil, takeWhile } from 'rxjs/operators';
+import { filter, switchMap, takeUntil, takeWhile } from 'rxjs/operators';
 import { convertToBoolProperty } from '../helpers';
 import { NB_DOCUMENT } from '../../theme.options';
 import { NbRadioComponent } from './radio.component';
@@ -81,7 +81,6 @@ import { NbComponentStatus } from '../component-status';
 export class NbRadioGroupComponent implements AfterContentInit, OnDestroy, ControlValueAccessor {
 
  protected alive: boolean = true;
- protected isTouched: boolean = false;
  protected onChange = (value: any) => {};
  protected onTouched = () => {};
 
@@ -232,7 +231,7 @@ export class NbRadioGroupComponent implements AfterContentInit, OnDestroy, Contr
 
  protected subscribeOnRadiosBlur() {
  const hasNoRadios = !this.radios || !this.radios.length;
- if (!isPlatformBrowser(this.platformId) || this.isTouched || hasNoRadios) {
+ if (!isPlatformBrowser(this.platformId) || hasNoRadios) {
  return;
  }
 
@@ -246,15 +245,9 @@ export class NbRadioGroupComponent implements AfterContentInit, OnDestroy, Contr
  fromEvent<Event>(this.document, 'click'),
  )),
  filter(event => !hostElement.contains(event.target as Node)),
- take(1),
  takeUntil(this.radios.changes),
  )
- .subscribe(() => this.markTouched());
- }
-
- protected markTouched() {
- this.isTouched = true;
- this.onTouched();
+ .subscribe(() => this.onTouched());
  }
 
  protected updateStatus() {