feat: use grafana-toolkit to build a plugin

- fix linter warnings
- use yarn: remove Gruntfile.js and package-lock.json

++

src/panel_config_migration.ts

@@ -2,31 +2,31 @@ import _ from 'lodash';
 
 function migrate_V0_V1(panel: any) {
   // Remove unused fields.
-  if (_.has(panel, "xAxis.labelFormat")) {
+  if (_.has(panel, 'xAxis.labelFormat')) {
     delete panel.xAxis.labelFormat;
   }
-  if (_.has(panel, "xAxis.minBucketWidthToShowWeekends")) {
+  if (_.has(panel, 'xAxis.minBucketWidthToShowWeekends')) {
     delete panel.xAxis.minBucketWidthToShowWeekends;
   }
-  if (_.has(panel, "xAxis.showCrosshair")) {
+  if (_.has(panel, 'xAxis.showCrosshair')) {
     delete panel.xAxis.showCrosshair;
   }
-  if (_.has(panel, "xAxis.showWeekends")) {
+  if (_.has(panel, 'xAxis.showWeekends')) {
     delete panel.xAxis.showWeekends;
   }
-  if (_.has(panel, "yAxis.showCrosshair")) {
+  if (_.has(panel, 'yAxis.showCrosshair')) {
     delete panel.yAxis.showCrosshair;
   }
-  if (_.has(panel, "data.unitFormat")) {
+  if (_.has(panel, 'data.unitFormat')) {
     delete panel.data;
   }
 
   // Migrate cardSpacing value. Seems rare (update from version 0.0.2).
-  if (_.has(panel, "cards.cardSpacing")) {
-    if (!_.has(panel, "cards.cardVSpacing")) {
+  if (_.has(panel, 'cards.cardSpacing')) {
+    if (!_.has(panel, 'cards.cardVSpacing')) {
       if (panel.cards.cardSpacing) {
-        panel.cards.cardVSpacing = panel.cards.cardSpacing
-        panel.cards.cardHSpacing = panel.cards.cardSpacing
+        panel.cards.cardVSpacing = panel.cards.cardSpacing;
+        panel.cards.cardHSpacing = panel.cards.cardSpacing;
       }
     }
     delete panel.cards.cardSpacing;
@@ -34,22 +34,22 @@ function migrate_V0_V1(panel: any) {
 
   // Migrate initial config for urls in tooltip (pull/86).
   // 'usingUrl' was used to show tooltip with urls on click or not.
-  if (_.has(panel, "usingUrl")) {
-    if (!_.has(panel, "tooltip.freezeOnClick")) {
+  if (_.has(panel, 'usingUrl')) {
+    if (!_.has(panel, 'tooltip.freezeOnClick')) {
       panel.tooltip.freezeOnClick = panel.usingUrl;
     }
     delete panel.usingUrl;
   }
 
   // 'urls' array is now tooltip.items array. Also items are changed.
-  if (_.has(panel, "urls")) {
-    if (!_.has(panel, "tooltip.items")) {
+  if (_.has(panel, 'urls')) {
+    if (!_.has(panel, 'tooltip.items')) {
       panel.tooltip.items = [];
       let hasRealItems = true;
-      if (panel.urls.length == 0) {
+      if (panel.urls.length === 0) {
         hasRealItems = false;
       }
-      if (panel.urls.length == 1) {
+      if (panel.urls.length === 1) {
         let url = panel.urls[0];
         if (url.base_url === '' && url.label === '') {
           hasRealItems = false;
@@ -64,19 +64,19 @@ function migrate_V0_V1(panel: any) {
             urlIcon: _.toString(url.icon_fa),
             urlToLowerCase: url.forcelowercase,
             valueDateFormat: '',
-          }
+          };
           // replace $vars with new ${__vars} if url template is not empty
-          if (item.urlTemplate !== "") {
+          if (item.urlTemplate !== '') {
             // $time was a graph time with prepended &
-            item.urlTemplate = _.replace(url.base_url, /\$time/g, "&${__url_time_range}");
+            item.urlTemplate = _.replace(url.base_url, /\$time/g, '&${__url_time_range}');
             // $series_label was a y axis label
-            item.urlTemplate = _.replace(item.urlTemplate, /\$series_label/, "${__y_label}");
+            item.urlTemplate = _.replace(item.urlTemplate, /\$series_label/, '${__y_label}');
             // $series_extra was a value from bucket. This value has format options and index.
-            let valueVar = "__value";
+            let valueVar = '__value';
             if (url.useExtraSeries === true) {
               // index?
               if (url.extraSeries.index > -1) {
-                valueVar += "_" + url.extraSeries.index;
+                valueVar += '_' + url.extraSeries.index;
               }
 
               let format = _.toString(url.extraSeries.format);
@@ -97,14 +97,13 @@ function migrate_V0_V1(panel: any) {
 
   // create statusmap metadata
   panel.statusmap = {
-    "ConfigVersion": "v1",
-  }
+    ConfigVersion: 'v1',
+  };
 }
 
-
 export function migratePanelConfig(panel: any) {
-  if (_.has(panel, "statusmap")) {
-    if (panel.statusmap.ConfigVersion == "v1") {
+  if (_.has(panel, 'statusmap')) {
+    if (panel.statusmap.ConfigVersion === 'v1') {
       return;
     }
   } else {
@@ -112,4 +111,3 @@ export function migratePanelConfig(panel: any) {
   }
   return;
 }
-