From d9840b98c34b11cb25515c644190378aa8ec2ff6 Mon Sep 17 00:00:00 2001
From: Maxime Robert <robert.maxime@gmail.com>
Date: Mon, 10 Aug 2020 17:42:30 +0200
Subject: [PATCH] FIX #887 (#909)

Co-authored-by: Giancarlo Buomprisco <giancarlopsk@gmail.com>
---
 modules/components/dropdown/tag-input-dropdown.component.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/modules/components/dropdown/tag-input-dropdown.component.ts b/modules/components/dropdown/tag-input-dropdown.component.ts
index 6f4fc51f..c267b30e 100644
--- a/modules/components/dropdown/tag-input-dropdown.component.ts
+++ b/modules/components/dropdown/tag-input-dropdown.component.ts
@@ -13,7 +13,7 @@ import {
 
 // rx
 import { Observable } from 'rxjs';
-import { filter, first, debounceTime } from 'rxjs/operators';
+import { filter, first, debounceTime, distinctUntilChanged } from 'rxjs/operators';
 
 import { Ng2Dropdown, Ng2MenuItem } from 'ng2-material-dropdown';
 import { defaults } from '../../defaults';
@@ -172,6 +172,7 @@ export class TagInputDropdown implements AfterViewInit {
     this.tagInput.onTextChange
       .asObservable()
       .pipe(
+        distinctUntilChanged(),
         debounceTime(DEBOUNCE_TIME),
         filter((value: string) => {
           if (KEEP_OPEN === false) {