fix(addon-mobile): fix minLength and maxLength properties for range in mobile calendar

projects/addon-mobile/components/mobile-calendar-dropdown/mobile-calendar-dropdown.component.ts

@@ -4,15 +4,19 @@ import {TuiMobileCalendar} from '@taiga-ui/addon-mobile/components/mobile-calend
 import {TuiKeyboardService} from '@taiga-ui/addon-mobile/services';
 import {TuiControl} from '@taiga-ui/cdk/classes';
 import {TUI_FALSE_HANDLER} from '@taiga-ui/cdk/constants';
-import type {TuiDay} from '@taiga-ui/cdk/date-time';
-import {TUI_FIRST_DAY, TUI_LAST_DAY} from '@taiga-ui/cdk/date-time';
+import type {TuiDayLike} from '@taiga-ui/cdk/date-time';
+import {TUI_FIRST_DAY, TUI_LAST_DAY, TuiDay, TuiDayRange} from '@taiga-ui/cdk/date-time';
 import {TuiActiveZone} from '@taiga-ui/cdk/directives/active-zone';
 import type {TuiBooleanHandler} from '@taiga-ui/cdk/types';
+import {tuiPure} from '@taiga-ui/cdk/utils/miscellaneous';
 import {tuiFadeIn, tuiSlideInTop} from '@taiga-ui/core/animations';
 import {TuiDropdownDirective} from '@taiga-ui/core/directives/dropdown';
 import {TUI_ANIMATIONS_SPEED} from '@taiga-ui/core/tokens';
 import {tuiGetDuration} from '@taiga-ui/core/utils/miscellaneous';
-import {TUI_DAY_CAPS_MAPPER} from '@taiga-ui/kit/components/calendar-range';
+import {
+    calculateDisabledItemHandler,
+    TUI_DAY_CAPS_MAPPER,
+} from '@taiga-ui/kit/components/calendar-range';
 import {TUI_MOBILE_CALENDAR} from '@taiga-ui/kit/tokens';
 import {injectContext} from '@taiga-ui/polymorpheus';
 import type {Observer} from 'rxjs';
@@ -47,6 +51,8 @@ export class TuiMobileCalendarDropdown {
     private readonly observer?: Observer<any> = this.context?.$implicit;
     private readonly data: TuiMobileCalendarData = this.context?.data || {};
 
+    private selectedPeriod: TuiDayRange | null = null;
+
     protected readonly animation = {
         value: '',
         params: {
@@ -62,39 +68,62 @@ export class TuiMobileCalendarDropdown {
     protected readonly single =
         this.data.single || this.is('tui-input-date:not([multiple])');
 
-    protected readonly min =
-        this.data.min ||
-        (this.range
-            ? TUI_DAY_CAPS_MAPPER(
-                  this.control.min,
-                  this.control.value,
-                  this.control.maxLength,
-                  true,
-              )
-            : this.control?.min) ||
-        TUI_FIRST_DAY;
-
-    protected readonly max =
-        this.data.max ||
-        (this.range
-            ? TUI_DAY_CAPS_MAPPER(
-                  this.control.max,
-                  this.control.value,
-                  this.control.maxLength,
-                  false,
-              )
-            : this.control?.max) ||
-        TUI_LAST_DAY;
-
-    protected readonly disabledItemHandler =
-        this.data.disabledItemHandler ||
-        this.control?.disabledItemHandler ||
-        TUI_FALSE_HANDLER;
-
     constructor() {
         this.keyboard.hide();
     }
 
+    public max(): TuiDay {
+        return (
+            this.data.max ||
+            (this.range
+                ? TUI_DAY_CAPS_MAPPER(
+                      this.control.max,
+                      this.selectedPeriod,
+                      this.control.maxLength,
+                      false,
+                  )
+                : this.control?.max) ||
+            TUI_LAST_DAY
+        );
+    }
+
+    public min(): TuiDay {
+        return (
+            this.data.min ||
+            (this.range
+                ? TUI_DAY_CAPS_MAPPER(
+                      this.control.min,
+                      this.selectedPeriod,
+                      this.control.maxLength,
+                      true,
+                  )
+                : this.control?.min) ||
+            TUI_FIRST_DAY
+        );
+    }
+
+    public onValueChange(value: TuiDay | TuiDayRange | readonly TuiDay[] | null): void {
+        if (!this.range) {
+            return;
+        }
+
+        if (value === null || value instanceof TuiDayRange) {
+            this.selectedPeriod = value;
+        } else if (value instanceof TuiDay) {
+            this.selectedPeriod = new TuiDayRange(value, value);
+        }
+    }
+
+    protected get calculatedDisabledItemHandler(): TuiBooleanHandler<TuiDay> {
+        return this.calculateDisabledItemHandler(
+            this.data.disabledItemHandler ||
+                this.control?.disabledItemHandler ||
+                TUI_FALSE_HANDLER,
+            this.selectedPeriod,
+            this.control?.minLength ?? null,
+        );
+    }
+
     protected close(): void {
         this.dropdown?.toggle(false);
         this.observer?.complete();
@@ -110,6 +139,15 @@ export class TuiMobileCalendarDropdown {
         this.close();
     }
 
+    @tuiPure
+    private calculateDisabledItemHandler(
+        disabledItemHandler: TuiBooleanHandler<TuiDay>,
+        value: TuiDayRange | null,
+        minLength: TuiDayLike | null,
+    ): TuiBooleanHandler<TuiDay> {
+        return calculateDisabledItemHandler(disabledItemHandler, value, minLength);
+    }
+
     private is(selector: string): boolean {
         return !!this.dropdown?.el.closest(selector);
     }

projects/addon-mobile/components/mobile-calendar-dropdown/mobile-calendar-dropdown.template.html

@@ -1,9 +1,10 @@
 <tui-mobile-calendar
-    [disabledItemHandler]="disabledItemHandler"
-    [max]="max"
-    [min]="min"
+    [disabledItemHandler]="calculatedDisabledItemHandler"
+    [max]="max()"
+    [min]="min()"
     [multi]="multi"
     [single]="single"
     (cancel)="close()"
     (confirm)="confirm($event)"
+    (valueChange)="onValueChange($event)"
 />

projects/kit/components/calendar-range/calculate-disabled-item-handler.ts

@@ -0,0 +1,22 @@
+import type {TuiDay, TuiDayLike, TuiDayRange} from '@taiga-ui/cdk/date-time';
+import type {TuiBooleanHandler} from '@taiga-ui/cdk/types';
+
+export const calculateDisabledItemHandler: (
+    disabledItemHandler: TuiBooleanHandler<TuiDay>,
+    value: TuiDayRange | null,
+    minLength: TuiDayLike | null,
+) => TuiBooleanHandler<TuiDay> = (disabledItemHandler, value, minLength) => (item) => {
+    if (!value?.isSingleDay || !minLength) {
+        return disabledItemHandler(item);
+    }
+
+    const negativeMinLength = Object.fromEntries(
+        Object.entries(minLength).map(([key, value]) => [key, -value]),
+    );
+    const disabledBefore = value.from.append(negativeMinLength).append({day: 1});
+    const disabledAfter = value.from.append(minLength).append({day: -1});
+    const inDisabledRange =
+        disabledBefore.dayBefore(item) && disabledAfter.dayAfter(item);
+
+    return inDisabledRange || disabledItemHandler(item);
+};

projects/kit/components/calendar-range/calendar-range.component.ts

@@ -30,6 +30,7 @@ import {TUI_COMMON_ICONS} from '@taiga-ui/core/tokens';
 import {TUI_CALENDAR_DATE_STREAM, TUI_OTHER_DATE_TEXT} from '@taiga-ui/kit/tokens';
 import type {Observable} from 'rxjs';
 
+import {calculateDisabledItemHandler} from './calculate-disabled-item-handler';
 import {TUI_DAY_CAPS_MAPPER} from './day-caps-mapper';
 import type {TuiDayRangePeriod} from './day-range-period';
 
@@ -235,21 +236,7 @@ export class TuiCalendarRange implements OnInit, OnChanges {
         value: TuiDayRange | null,
         minLength: TuiDayLike | null,
     ): TuiBooleanHandler<TuiDay> {
-        return (item) => {
-            if (!value?.isSingleDay || !minLength) {
-                return disabledItemHandler(item);
-            }
-
-            const negativeMinLength = Object.fromEntries(
-                Object.entries(minLength).map(([key, value]) => [key, -value]),
-            );
-            const disabledBefore = value.from.append(negativeMinLength).append({day: 1});
-            const disabledAfter = value.from.append(minLength).append({day: -1});
-            const inDisabledRange =
-                disabledBefore.dayBefore(item) && disabledAfter.dayAfter(item);
-
-            return inDisabledRange || disabledItemHandler(item);
-        };
+        return calculateDisabledItemHandler(disabledItemHandler, value, minLength);
     }
 
     private initDefaultViewedMonth(): void {

projects/kit/components/calendar-range/index.ts

@@ -1,3 +1,4 @@
+export * from './calculate-disabled-item-handler';
 export * from './calendar-range.component';
 export * from './day-caps-mapper';
 export * from './day-range-period';