Fix templatig issue, when no values returned, closes #354

dist/datasource-zabbix/datasource.js

@@ -484,7 +484,7 @@ System.register(['lodash', 'app/core/utils/datemath', './utils', './migrations',
             }
 
             return result.then(function (metrics) {
-              return metrics.map(formatMetric);
+              return _.map(metrics, formatMetric);
             });
           }
         }, {

dist/datasource-zabbix/zabbix.js

@@ -194,14 +194,14 @@ System.register(['angular', 'lodash', './utils', './zabbixAPI.service.js', './za
    * Find group, host, app or item by given name.
    * @param  list list of groups, apps or other
    * @param  name visible name
-   * @return      array with finded element or undefined
+   * @return      array with finded element or empty array
    */
   function findByName(list, name) {
     var finded = _.find(list, { 'name': name });
     if (finded) {
       return [finded];
     } else {
-      return undefined;
+      return [];
     }
   }
 
@@ -211,14 +211,14 @@ System.register(['angular', 'lodash', './utils', './zabbixAPI.service.js', './za
    * which return only first finded.
    * @param  {[type]} list list of elements
    * @param  {[type]} name app name
-   * @return {[type]}      array with finded element or undefined
+   * @return {[type]}      array with finded element or empty array
    */
   function filterByName(list, name) {
     var finded = _.filter(list, { 'name': name });
     if (finded) {
       return finded;
     } else {
-      return undefined;
+      return [];
     }
   }
 

dist/test/datasource-zabbix/datasource.js

@@ -378,7 +378,7 @@ var ZabbixAPIDatasource = function () {
       }
 
       return result.then(function (metrics) {
-        return metrics.map(formatMetric);
+        return _lodash2.default.map(metrics, formatMetric);
       });
     }
 

dist/test/datasource-zabbix/zabbix.js

@@ -214,14 +214,14 @@ _angular2.default.module('grafana.services').factory('Zabbix', ZabbixFactory);
  * Find group, host, app or item by given name.
  * @param  list list of groups, apps or other
  * @param  name visible name
- * @return      array with finded element or undefined
+ * @return      array with finded element or empty array
  */
 function findByName(list, name) {
   var finded = _lodash2.default.find(list, { 'name': name });
   if (finded) {
     return [finded];
   } else {
-    return undefined;
+    return [];
   }
 }
 
@@ -231,14 +231,14 @@ function findByName(list, name) {
  * which return only first finded.
  * @param  {[type]} list list of elements
  * @param  {[type]} name app name
- * @return {[type]}      array with finded element or undefined
+ * @return {[type]}      array with finded element or empty array
  */
 function filterByName(list, name) {
   var finded = _lodash2.default.filter(list, { 'name': name });
   if (finded) {
     return finded;
   } else {
-    return undefined;
+    return [];
   }
 }
 

src/datasource-zabbix/datasource.js

@@ -314,7 +314,7 @@ class ZabbixAPIDatasource {
     }
 
     return result.then(metrics => {
-      return metrics.map(formatMetric);
+      return _.map(metrics, formatMetric);
     });
   }
 

src/datasource-zabbix/zabbix.js

@@ -165,14 +165,14 @@ angular
  * Find group, host, app or item by given name.
  * @param  list list of groups, apps or other
  * @param  name visible name
- * @return      array with finded element or undefined
+ * @return      array with finded element or empty array
  */
 function findByName(list, name) {
   var finded = _.find(list, {'name': name});
   if (finded) {
     return [finded];
   } else {
-    return undefined;
+    return [];
   }
 }
 
@@ -182,14 +182,14 @@ function findByName(list, name) {
  * which return only first finded.
  * @param  {[type]} list list of elements
  * @param  {[type]} name app name
- * @return {[type]}      array with finded element or undefined
+ * @return {[type]}      array with finded element or empty array
  */
 function filterByName(list, name) {
   var finded = _.filter(list, {'name': name});
   if (finded) {
     return finded;
   } else {
-    return undefined;
+    return [];
   }
 }