From 6b071054a31cbf55eb7e62499b91ece784e4432f Mon Sep 17 00:00:00 2001
From: srid12 <sridharreddy.kr@gmail.com>
Date: Mon, 23 Jul 2018 19:53:26 +0530
Subject: [PATCH] changing callback fn into arrow functions for correct usage
 of this (#12673)

---
 public/app/plugins/datasource/opentsdb/datasource.ts | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/public/app/plugins/datasource/opentsdb/datasource.ts b/public/app/plugins/datasource/opentsdb/datasource.ts
index 39ad6c64e11..07ec4a794ec 100644
--- a/public/app/plugins/datasource/opentsdb/datasource.ts
+++ b/public/app/plugins/datasource/opentsdb/datasource.ts
@@ -480,17 +480,17 @@ export default class OpenTsDatasource {
 
   mapMetricsToTargets(metrics, options, tsdbVersion) {
     var interpolatedTagValue, arrTagV;
-    return _.map(metrics, function(metricData) {
+    return _.map(metrics, metricData => {
       if (tsdbVersion === 3) {
         return metricData.query.index;
       } else {
-        return _.findIndex(options.targets, function(target) {
+        return _.findIndex(options.targets, target => {
           if (target.filters && target.filters.length > 0) {
             return target.metric === metricData.metric;
           } else {
             return (
               target.metric === metricData.metric &&
-              _.every(target.tags, function(tagV, tagK) {
+              _.every(target.tags, (tagV, tagK) => {
                 interpolatedTagValue = this.templateSrv.replace(tagV, options.scopedVars, 'pipe');
                 arrTagV = interpolatedTagValue.split('|');
                 return _.includes(arrTagV, metricData.tags[tagK]) || interpolatedTagValue === '*';