[tabs] only use active tag for initial update (bootstrap-vue#220)

Pooya Parsa · Pooya Parsa · commit 93f851c6d2a3 · 2017-04-12T01:37:37.000+04:30
diff --git a/lib/components/tabs.vue b/lib/components/tabs.vue
@@ -7,7 +7,7 @@
                        :href="tab.href"
                        @click.prevent.stop="setTab(index)"
                        v-if="!tab.headHtml"
-                       >{{ tab.title }}</a>
+                    >{{ tab.title }}</a>
                     <div :class="['tab-head',{small: small, active: tab.localActive, disabled: tab.disabled}]"
                          v-else
                          v-html="tab.headHtml"></div>
@@ -28,7 +28,7 @@
     export default {
         data() {
             return {
-                currentTab: this.value || 0,
+                currentTab: this.value,
                 tabs: []
             };
         },
@@ -160,11 +160,13 @@
                 // Set initial active tab
                 let tabIndex = this.currentTab;
 
-                this.tabs.forEach((tab, index) => {
-                    if (tab.active) {
-                        tabIndex = index;
-                    }
-                });
+                if (this.currentTab === null || this.currentTab === undefined) {
+                    this.tabs.forEach((tab, index) => {
+                        if (tab.active) {
+                            tabIndex = index;
+                        }
+                    });
+                }
 
                 this.setTab(tabIndex, true);
             },
@@ -182,7 +184,7 @@
             this.updateTabs();
 
             // Observe Child changes so we can notify tabs change
-            observeDom(this.$el, this.updateTabs.bind(this));
+            observeDom(this.$el, this.updateTabs.bind(this), {subtree: true});
         }
     };
 
