From fe3eb10bd3fc7ee98413774e46baefcd25da3ffd Mon Sep 17 00:00:00 2001
From: neverland <chenjiahan@buaa.edu.cn>
Date: Mon, 27 Aug 2018 20:27:48 +0800
Subject: [PATCH] [bugfix] Tab: should not swipe to disabled tab (#1704)

---
 packages/tabs/index.vue | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/packages/tabs/index.vue b/packages/tabs/index.vue
index 8a158d329..4259c9b05 100644
--- a/packages/tabs/index.vue
+++ b/packages/tabs/index.vue
@@ -262,7 +262,8 @@ export default create({
     },
 
     setCurActive(active) {
-      if (active !== this.curActive) {
+      active = this.findAvailableTab(active, active < this.curActive);
+      if (this.isDef(active) && active !== this.curActive) {
         this.$emit('input', active);
 
         if (this.curActive !== null) {
@@ -272,6 +273,16 @@ export default create({
       }
     },
 
+    findAvailableTab(index, reverse) {
+      const diff = reverse ? -1 : 1;
+      while (index >= 0 && index < this.tabs.length) {
+        if (!this.tabs[index].disabled) {
+          return index;
+        }
+        index += diff;
+      }
+    },
+
     // emit event when clicked
     onClick(index) {
       const { title, disabled } = this.tabs[index];