feat: migrate to typescript, support 6.3.0+

- use babel to 7, update dependencies, fix #72
- proper babel build to support ngInject, fix #78
- proper buckets display in 6.3.0+, fix #76
- rename js to ts, build d3 lib as js, build src as ts

src/options_editor.ts

@@ -0,0 +1,31 @@
+import kbn from 'app/core/utils/kbn';
+
+export class StatusHeatmapOptionsEditorCtrl {
+  panel: any;
+  panelCtrl: any;
+  unitFormats: any;
+
+  constructor($scope) {
+    $scope.editor = this;
+    this.panelCtrl = $scope.ctrl;
+    this.panel = this.panelCtrl.panel;
+    this.unitFormats = kbn.getUnitFormats();
+
+    this.panelCtrl.render();
+  }
+
+  setUnitFormat(subItem) {
+    this.panel.data.unitFormat = subItem.value;
+    this.panelCtrl.render();
+  }
+}
+
+export function statusHeatmapOptionsEditor() {
+  'use strict';
+  return {
+    restrict: 'E',
+    scope: true,
+    templateUrl: 'public/plugins/flant-statusmap-panel/partials/options_editor.html',
+    controller: StatusHeatmapOptionsEditorCtrl,
+  };
+}