Merge pull request spatie#55 from matewiszt/add-utility-methods

Add comfortable utility methods to Tabs component

Author: sebastiandedeyne

src/components/Tabs.vue

@@ -45,6 +45,7 @@
         data: () => ({
             tabs: [],
             activeTabHash: '',
+            activeTabIndex: 0,
             lastActiveTabHash: '',
         }),
 
@@ -110,6 +111,9 @@
 
                 this.$emit('changed', { tab: selectedTab });
 
+                this.activeTabHash = selectedTab.hash;
+                this.activeTabIndex = this.getTabIndex(selectedTabHash);
+
                 this.lastActiveTabHash = this.activeTabHash = selectedTab.hash;
 
                 expiringStorage.set(this.storageKey, selectedTab.hash, this.cacheLifetime);
@@ -139,6 +143,30 @@
                     });
                 }
             },
+            
+            getTabIndex(hash){
+            	const tab = this.findTab(hash);
+            	
+            	return this.tabs.indexOf(tab);
+            },
+            
+			getTabHash(index){
+            	const tab = this.tabs.find(tab => this.tabs.indexOf(tab) === index);
+            	
+            	if (!tab) {
+					return;
+                }
+                
+                return tab.hash;
+			},
+            
+            getActiveTab(){
+            	return this.findTab(this.activeTabHash);
+            },
+            
+			getActiveTabIndex() {
+            	return this.getTabIndex(this.activeTabHash);
+            },
         },
     };
 </script>