From 4e7b8a21d80f4e27ad04f4d020947f2e57402d31 Mon Sep 17 00:00:00 2001
From: "Manu Mtz.-Almeida" <manu.mtza@gmail.com>
Date: Fri, 16 Feb 2018 20:19:03 +0100
Subject: [PATCH] fix(tabs): prevent reentering

---
 packages/core/src/components/tabs/tabs.tsx | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/packages/core/src/components/tabs/tabs.tsx b/packages/core/src/components/tabs/tabs.tsx
index de4a3990a0..4d5e257065 100644
--- a/packages/core/src/components/tabs/tabs.tsx
+++ b/packages/core/src/components/tabs/tabs.tsx
@@ -10,6 +10,7 @@ import { getIonApp } from '../../utils/helpers';
 })
 export class Tabs implements NavOutlet {
   private ids = -1;
+  private transitioning = false;
   private tabsId: number = (++tabIds);
   initialized = false;
 
@@ -108,6 +109,9 @@ export class Tabs implements NavOutlet {
    */
   @Method()
   select(tabOrIndex: number | HTMLIonTabElement): Promise<boolean> {
+    if (this.transitioning) {
+      return Promise.resolve(false);
+    }
     const selectedTab = (typeof tabOrIndex === 'number' ? this.getByIndex(tabOrIndex) : tabOrIndex);
     if (!selectedTab) {
       return Promise.resolve(false);
@@ -121,8 +125,9 @@ export class Tabs implements NavOutlet {
     }
 
     const leavingTab = this.selectedTab;
-
+    this.transitioning = true;
     return selectedTab.setActive().then(() => {
+      this.transitioning = false;
       selectedTab.selected = true;
       if (leavingTab !== selectedTab) {
         if (leavingTab) {