From 65981bcaefcce811891887a697c496d53108fce2 Mon Sep 17 00:00:00 2001
From: Alex Inkin <alexander@inkin.ru>
Date: Thu, 26 Sep 2024 17:17:20 +0400
Subject: [PATCH] fix(legacy): `Input` fix [(tuiDropdownOpen)] (#9214)

---
 projects/kit/components/tabs/tab.directive.ts     |  9 +++++++--
 .../pipes/filter-by-input/filter-by-input.pipe.ts | 15 +++++++++------
 projects/legacy/components/input/input.module.ts  |  8 +++++++-
 3 files changed, 23 insertions(+), 9 deletions(-)

diff --git a/projects/kit/components/tabs/tab.directive.ts b/projects/kit/components/tabs/tab.directive.ts
index a075ea7faa9b..ef7916af3abb 100644
--- a/projects/kit/components/tabs/tab.directive.ts
+++ b/projects/kit/components/tabs/tab.directive.ts
@@ -7,7 +7,7 @@ import {tuiTypedFromEvent} from '@taiga-ui/cdk/observables';
 import {tuiInjectElement} from '@taiga-ui/cdk/utils/dom';
 import {tuiIsNativeFocused} from '@taiga-ui/cdk/utils/focus';
 import {TuiWithIcons} from '@taiga-ui/core/directives/icons';
-import {EMPTY, filter, merge} from 'rxjs';
+import {EMPTY, filter, merge, switchMap} from 'rxjs';
 
 export const TUI_TAB_ACTIVATE = 'tui-tab-activate';
 
@@ -32,7 +32,12 @@ export class TuiTab implements OnDestroy {
     protected readonly sub = merge(
         this.observer || EMPTY,
         this.rla?.isActiveChange.pipe(filter(Boolean)) || EMPTY,
-        this.el.matches('button') ? tuiTypedFromEvent(this.el, 'click') : EMPTY,
+        this.el.matches('button')
+            ? tuiTypedFromEvent(this.el, 'click').pipe(
+                  // Delaying execution until after all other click callbacks
+                  switchMap(() => tuiTypedFromEvent(this.el.parentElement!, 'click')),
+              )
+            : EMPTY,
     )
         .pipe(takeUntilDestroyed())
         .subscribe(() =>
diff --git a/projects/kit/pipes/filter-by-input/filter-by-input.pipe.ts b/projects/kit/pipes/filter-by-input/filter-by-input.pipe.ts
index 348355ba0f3f..572d4f0a4f00 100644
--- a/projects/kit/pipes/filter-by-input/filter-by-input.pipe.ts
+++ b/projects/kit/pipes/filter-by-input/filter-by-input.pipe.ts
@@ -2,7 +2,7 @@ import type {PipeTransform} from '@angular/core';
 import {inject, Pipe} from '@angular/core';
 import {TUI_DEFAULT_MATCHER} from '@taiga-ui/cdk/constants';
 import type {TuiStringHandler, TuiStringMatcher} from '@taiga-ui/cdk/types';
-import {tuiIsPresent, tuiPure} from '@taiga-ui/cdk/utils/miscellaneous';
+import {tuiPure} from '@taiga-ui/cdk/utils/miscellaneous';
 import {TUI_DATA_LIST_HOST} from '@taiga-ui/core/components/data-list';
 import {TuiTextfieldComponent} from '@taiga-ui/core/components/textfield';
 import {tuiIsFlat} from '@taiga-ui/kit/utils';
@@ -57,7 +57,7 @@ export class TuiFilterByInputPipe implements PipeTransform {
     ): readonly T[] {
         const match = this.getMatch(items, stringify, query);
 
-        return tuiIsPresent(match)
+        return match != null
             ? items
             : items.filter((item) => matcher(item, query, stringify));
     }
@@ -68,11 +68,9 @@ export class TuiFilterByInputPipe implements PipeTransform {
         stringify: TuiStringHandler<T>,
         query: string,
     ): ReadonlyArray<readonly T[]> {
-        const match = items.find((item) =>
-            tuiIsPresent(this.getMatch(item, stringify, query)),
-        );
+        const match = items.find((item) => this.getMatch(item, stringify, query) != null);
 
-        return tuiIsPresent(match)
+        return match != null
             ? items
             : items.map((inner) => this.filterFlat(inner, matcher, stringify, query));
     }
@@ -82,6 +80,11 @@ export class TuiFilterByInputPipe implements PipeTransform {
         stringify: TuiStringHandler<T>,
         query: string,
     ): T | undefined {
+        // TODO: Refactor when tui-textfield[multi] is ready
+        if ((this.host as any).tagValidator) {
+            return undefined;
+        }
+
         return items.find(
             (item) => stringify(item).toLocaleLowerCase() === query.toLocaleLowerCase(),
         );
diff --git a/projects/legacy/components/input/input.module.ts b/projects/legacy/components/input/input.module.ts
index 2d297e34e1c0..90daaf7250ae 100644
--- a/projects/legacy/components/input/input.module.ts
+++ b/projects/legacy/components/input/input.module.ts
@@ -5,12 +5,18 @@ import {
     TuiPrimitiveTextfieldModule,
     TuiTextfieldComponent,
 } from '@taiga-ui/legacy/components/primitive-textfield';
+import {TuiLegacyDropdownOpenMonitorDirective} from '@taiga-ui/legacy/directives';
 
 import {TuiInputComponent} from './input.component';
 import {TuiInputDirective} from './input.directive';
 
 @NgModule({
-    imports: [CommonModule, TuiPrimitiveTextfieldModule, ...TuiDropdown],
+    imports: [
+        CommonModule,
+        TuiPrimitiveTextfieldModule,
+        ...TuiDropdown,
+        TuiLegacyDropdownOpenMonitorDirective,
+    ],
     declarations: [TuiInputComponent, TuiInputDirective],
     exports: [
         TuiInputComponent,