Changed functions to arrow functions for only-arrow-functions rule.

public/app/core/components/code_editor/code_editor.ts

@@ -97,7 +97,7 @@ function link(scope, elem, attrs) {
   textarea.addClass('gf-form-input');
 
   if (scope.codeEditorFocus) {
-    setTimeout(function() {
+    setTimeout(() => {
       textarea.focus();
       const domEl = textarea[0];
       if (domEl.setSelectionRange) {
@@ -119,7 +119,7 @@ function link(scope, elem, attrs) {
   scope.$watch('content', (newValue, oldValue) => {
     const editorValue = codeEditor.getValue();
     if (newValue !== editorValue && newValue !== oldValue) {
-      scope.$$postDigest(function() {
+      scope.$$postDigest(() => {
         setEditorContent(newValue);
       });
     }

public/app/core/components/colorpicker/spectrum_picker.ts

@@ -13,7 +13,7 @@ export function spectrumPicker() {
     scope: true,
     replace: true,
     template: '<color-picker color="ngModel.$viewValue" onChange="onColorChange"></color-picker>',
-    link: function(scope, element, attrs, ngModel) {
+    link: (scope, element, attrs, ngModel) => {
       scope.ngModel = ngModel;
       scope.onColorChange = color => {
         ngModel.$setViewValue(color);

public/app/core/components/json_explorer/json_explorer.ts

@@ -14,10 +14,10 @@ const MAX_ANIMATED_TOGGLE_ITEMS = 10;
 
 const requestAnimationFrame =
   window.requestAnimationFrame ||
-  function(cb: () => void) {
+  ((cb: () => void) => {
     cb();
     return 0;
-  };
+  });
 
 export interface JsonExplorerConfig {
   animateOpen?: boolean;

public/app/core/components/jsontree/jsontree.ts

@@ -10,7 +10,7 @@ coreModule.directive('jsonTree', [
         startExpanded: '@',
         rootName: '@',
       },
-      link: function(scope, elem) {
+      link: (scope, elem) => {
         const jsonExp = new JsonExplorer(scope.object, 3, {
           animateOpen: true,
         });

public/app/core/directives/dash_class.ts

@@ -4,19 +4,19 @@ import coreModule from '../core_module';
 /** @ngInject */
 export function dashClass() {
   return {
-    link: function($scope, elem) {
-      $scope.onAppEvent('panel-fullscreen-enter', function() {
+    link: ($scope, elem) => {
+      $scope.onAppEvent('panel-fullscreen-enter', () => {
         elem.toggleClass('panel-in-fullscreen', true);
       });
 
-      $scope.onAppEvent('panel-fullscreen-exit', function() {
+      $scope.onAppEvent('panel-fullscreen-exit', () => {
         elem.toggleClass('panel-in-fullscreen', false);
       });
 
-      $scope.$watch('ctrl.dashboardViewState.state.editview', function(newValue) {
+      $scope.$watch('ctrl.dashboardViewState.state.editview', newValue => {
         if (newValue) {
           elem.toggleClass('dashboard-page--settings-opening', _.isString(newValue));
-          setTimeout(function() {
+          setTimeout(() => {
             elem.toggleClass('dashboard-page--settings-open', _.isString(newValue));
           }, 10);
         } else {

public/app/core/directives/dropdown_typeahead.ts

@@ -20,7 +20,7 @@ export function dropdownTypeahead($compile) {
       dropdownTypeaheadOnSelect: '&dropdownTypeaheadOnSelect',
       model: '=ngModel',
     },
-    link: function($scope, elem, attrs) {
+    link: ($scope, elem, attrs) => {
       const $input = $(inputTemplate);
       const $button = $(buttonTemplate);
       $input.appendTo(elem);
@@ -31,9 +31,9 @@ export function dropdownTypeahead($compile) {
       }
 
       if (attrs.ngModel) {
-        $scope.$watch('model', function(newValue) {
-          _.each($scope.menuItems, function(item) {
-            _.each(item.submenu, function(subItem) {
+        $scope.$watch('model', newValue => {
+          _.each($scope.menuItems, item => {
+            _.each(item.submenu, subItem => {
               if (subItem.value === newValue) {
                 $button.html(subItem.text);
               }
@@ -44,12 +44,12 @@ export function dropdownTypeahead($compile) {
 
       const typeaheadValues = _.reduce(
         $scope.menuItems,
-        function(memo, value, index) {
+        (memo, value, index) => {
           if (!value.submenu) {
             value.click = 'menuItemSelected(' + index + ')';
             memo.push(value.text);
           } else {
-            _.each(value.submenu, function(item, subIndex) {
+            _.each(value.submenu, (item, subIndex) => {
               item.click = 'menuItemSelected(' + index + ',' + subIndex + ')';
               memo.push(value.text + ' ' + item.text);
             });
@@ -59,7 +59,7 @@ export function dropdownTypeahead($compile) {
         []
       );
 
-      $scope.menuItemSelected = function(index, subIndex) {
+      $scope.menuItemSelected = (index, subIndex) => {
         const menuItem = $scope.menuItems[index];
         const payload: any = { $item: menuItem };
         if (menuItem.submenu && subIndex !== void 0) {
@@ -73,10 +73,10 @@ export function dropdownTypeahead($compile) {
         source: typeaheadValues,
         minLength: 1,
         items: 10,
-        updater: function(value) {
+        updater: value => {
           const result: any = {};
-          _.each($scope.menuItems, function(menuItem) {
-            _.each(menuItem.submenu, function(submenuItem) {
+          _.each($scope.menuItems, menuItem => {
+            _.each(menuItem.submenu, submenuItem => {
               if (value === menuItem.text + ' ' + submenuItem.text) {
                 result.$subItem = submenuItem;
                 result.$item = menuItem;
@@ -85,7 +85,7 @@ export function dropdownTypeahead($compile) {
           });
 
           if (result.$item) {
-            $scope.$apply(function() {
+            $scope.$apply(() => {
               $scope.dropdownTypeaheadOnSelect(result);
             });
           }
@@ -95,24 +95,24 @@ export function dropdownTypeahead($compile) {
         },
       });
 
-      $button.click(function() {
+      $button.click(() => {
         $button.hide();
         $input.show();
         $input.focus();
       });
 
-      $input.keyup(function() {
+      $input.keyup(() => {
         elem.toggleClass('open', $input.val() === '');
       });
 
-      $input.blur(function() {
+      $input.blur(() => {
         $input.hide();
         $input.val('');
         $button.show();
         $button.focus();
         // clicking the function dropdown menu won't
         // work if you remove class at once
-        setTimeout(function() {
+        setTimeout(() => {
           elem.removeClass('open');
         }, 200);
       });
@@ -138,7 +138,7 @@ export function dropdownTypeahead2($compile) {
       dropdownTypeaheadOnSelect: '&dropdownTypeaheadOnSelect',
       model: '=ngModel',
     },
-    link: function($scope, elem, attrs) {
+    link: ($scope, elem, attrs) => {
       const $input = $(inputTemplate);
       const $button = $(buttonTemplate);
       $input.appendTo(elem);
@@ -149,9 +149,9 @@ export function dropdownTypeahead2($compile) {
       }
 
       if (attrs.ngModel) {
-        $scope.$watch('model', function(newValue) {
-          _.each($scope.menuItems, function(item) {
-            _.each(item.submenu, function(subItem) {
+        $scope.$watch('model', newValue => {
+          _.each($scope.menuItems, item => {
+            _.each(item.submenu, subItem => {
               if (subItem.value === newValue) {
                 $button.html(subItem.text);
               }
@@ -162,12 +162,12 @@ export function dropdownTypeahead2($compile) {
 
       const typeaheadValues = _.reduce(
         $scope.menuItems,
-        function(memo, value, index) {
+        (memo, value, index) => {
           if (!value.submenu) {
             value.click = 'menuItemSelected(' + index + ')';
             memo.push(value.text);
           } else {
-            _.each(value.submenu, function(item, subIndex) {
+            _.each(value.submenu, (item, subIndex) => {
               item.click = 'menuItemSelected(' + index + ',' + subIndex + ')';
               memo.push(value.text + ' ' + item.text);
             });
@@ -177,7 +177,7 @@ export function dropdownTypeahead2($compile) {
         []
       );
 
-      $scope.menuItemSelected = function(index, subIndex) {
+      $scope.menuItemSelected = (index, subIndex) => {
         const menuItem = $scope.menuItems[index];
         const payload: any = { $item: menuItem };
         if (menuItem.submenu && subIndex !== void 0) {
@@ -191,10 +191,10 @@ export function dropdownTypeahead2($compile) {
         source: typeaheadValues,
         minLength: 1,
         items: 10,
-        updater: function(value) {
+        updater: value => {
           const result: any = {};
-          _.each($scope.menuItems, function(menuItem) {
-            _.each(menuItem.submenu, function(submenuItem) {
+          _.each($scope.menuItems, menuItem => {
+            _.each(menuItem.submenu, submenuItem => {
               if (value === menuItem.text + ' ' + submenuItem.text) {
                 result.$subItem = submenuItem;
                 result.$item = menuItem;
@@ -203,7 +203,7 @@ export function dropdownTypeahead2($compile) {
           });
 
           if (result.$item) {
-            $scope.$apply(function() {
+            $scope.$apply(() => {
               $scope.dropdownTypeaheadOnSelect(result);
             });
           }
@@ -213,24 +213,24 @@ export function dropdownTypeahead2($compile) {
         },
       });
 
-      $button.click(function() {
+      $button.click(() => {
         $button.hide();
         $input.show();
         $input.focus();
       });
 
-      $input.keyup(function() {
+      $input.keyup(() => {
         elem.toggleClass('open', $input.val() === '');
       });
 
-      $input.blur(function() {
+      $input.blur(() => {
         $input.hide();
         $input.val('');
         $button.show();
         $button.focus();
         // clicking the function dropdown menu won't
         // work if you remove class at once
-        setTimeout(function() {
+        setTimeout(() => {
           elem.removeClass('open');
         }, 200);
       });

public/app/core/directives/give_focus.ts

@@ -1,18 +1,18 @@
 import coreModule from '../core_module';
 
-coreModule.directive('giveFocus', function() {
-  return function(scope, element, attrs) {
-    element.click(function(e) {
+coreModule.directive('giveFocus', () => {
+  return (scope, element, attrs) => {
+    element.click(e => {
       e.stopPropagation();
     });
 
     scope.$watch(
       attrs.giveFocus,
-      function(newValue) {
+      newValue => {
         if (!newValue) {
           return;
         }
-        setTimeout(function() {
+        setTimeout(() => {
           element.focus();
           const domEl = element[0];
           if (domEl.setSelectionRange) {

public/app/core/directives/metric_segment.ts

@@ -24,7 +24,7 @@ export function metricSegment($compile, $sce) {
       onChange: '&',
       debounce: '@',
     },
-    link: function($scope, elem) {
+    link: ($scope, elem) => {
       const $input = $(inputTemplate);
       const segment = $scope.segment;
       const $button = $(segment.selectMode ? selectTemplate : linkTemplate);
@@ -36,14 +36,14 @@ export function metricSegment($compile, $sce) {
       $input.appendTo(elem);
       $button.appendTo(elem);
 
-      $scope.updateVariableValue = function(value) {
+      $scope.updateVariableValue = value => {
         if (value === '' || segment.value === value) {
           return;
         }
 
         value = _.unescape(value);
 
-        $scope.$apply(function() {
+        $scope.$apply(() => {
           const selected = _.find($scope.altSegments, { value: value });
           if (selected) {
             segment.value = selected.value;
@@ -65,7 +65,7 @@ export function metricSegment($compile, $sce) {
         });
       };
 
-      $scope.switchToLink = function(fromClick) {
+      $scope.switchToLink = fromClick => {
         if (linkMode && !fromClick) {
           return;
         }
@@ -78,17 +78,17 @@ export function metricSegment($compile, $sce) {
         $scope.updateVariableValue($input.val());
       };
 
-      $scope.inputBlur = function() {
+      $scope.inputBlur = () => {
         // happens long before the click event on the typeahead options
         // need to have long delay because the blur
         cancelBlur = setTimeout($scope.switchToLink, 200);
       };
 
-      $scope.source = function(query, callback) {
-        $scope.$apply(function() {
-          $scope.getOptions({ $query: query }).then(function(altSegments) {
+      $scope.source = (query, callback) => {
+        $scope.$apply(() => {
+          $scope.getOptions({ $query: query }).then(altSegments => {
             $scope.altSegments = altSegments;
-            options = _.map($scope.altSegments, function(alt) {
+            options = _.map($scope.altSegments, alt => {
               return _.escape(alt.value);
             });
 
@@ -104,7 +104,7 @@ export function metricSegment($compile, $sce) {
         });
       };
 
-      $scope.updater = function(value) {
+      $scope.updater = value => {
         if (value === segment.value) {
           clearTimeout(cancelBlur);
           $input.focus();
@@ -152,14 +152,14 @@ export function metricSegment($compile, $sce) {
         typeahead.lookup = _.debounce(typeahead.lookup, 500, { leading: true });
       }
 
-      $button.keydown(function(evt) {
+      $button.keydown(evt => {
         // trigger typeahead on down arrow or enter key
         if (evt.keyCode === 40 || evt.keyCode === 13) {
           $button.click();
         }
       });
 
-      $button.click(function() {
+      $button.click(() => {
         options = null;
         $input.css('width', Math.max($button.width(), 80) + 16 + 'px');
 
@@ -199,7 +199,7 @@ export function metricSegmentModel(uiSegmentSrv, $q) {
       pre: function postLink($scope, elem, attrs) {
         let cachedOptions;
 
-        $scope.valueToSegment = function(value) {
+        $scope.valueToSegment = value => {
           const option = _.find($scope.options, { value: value });
           const segment = {
             cssClass: attrs.cssClass,
@@ -211,18 +211,18 @@ export function metricSegmentModel(uiSegmentSrv, $q) {
           return uiSegmentSrv.newSegment(segment);
         };
 
-        $scope.getOptionsInternal = function() {
+        $scope.getOptionsInternal = () => {
           if ($scope.options) {
             cachedOptions = $scope.options;
             return $q.when(
-              _.map($scope.options, function(option) {
+              _.map($scope.options, option => {
                 return { value: option.text };
               })
             );
           } else {
-            return $scope.getOptions().then(function(options) {
+            return $scope.getOptions().then(options => {
               cachedOptions = options;
-              return _.map(options, function(option) {
+              return _.map(options, option => {
                 if (option.html) {
                   return option;
                 }
@@ -232,7 +232,7 @@ export function metricSegmentModel(uiSegmentSrv, $q) {
           }
         };
 
-        $scope.onSegmentChange = function() {
+        $scope.onSegmentChange = () => {
           if (cachedOptions) {
             const option = _.find(cachedOptions, { text: $scope.segment.value });
             if (option && option.value !== $scope.property) {
@@ -246,8 +246,8 @@ export function metricSegmentModel(uiSegmentSrv, $q) {
 
           // needs to call this after digest so
           // property is synced with outerscope
-          $scope.$$postDigest(function() {
-            $scope.$apply(function() {
+          $scope.$$postDigest(() => {
+            $scope.$apply(() => {
               $scope.onChange();
             });
           });

public/app/core/directives/misc.ts

@@ -8,7 +8,7 @@ import { appEvents } from 'app/core/core';
 function tip($compile) {
   return {
     restrict: 'E',
-    link: function(scope, elem, attrs) {
+    link: (scope, elem, attrs) => {
       let _t =
         '<i class="grafana-tip fa fa-' +
         (attrs.icon || 'question-circle') +
@@ -26,9 +26,9 @@ function clipboardButton() {
     scope: {
       getText: '&clipboardButton',
     },
-    link: function(scope, elem) {
+    link: (scope, elem) => {
       scope.clipboard = new Clipboard(elem[0], {
-        text: function() {
+        text: () => {
           return scope.getText();
         },
       });
@@ -37,7 +37,7 @@ function clipboardButton() {
         appEvents.emit('alert-success', ['Content copied to clipboard']);
       });
 
-      scope.$on('$destroy', function() {
+      scope.$on('$destroy', () => {
         if (scope.clipboard) {
           scope.clipboard.destroy();
         }
@@ -50,12 +50,12 @@ function clipboardButton() {
 function compile($compile) {
   return {
     restrict: 'A',
-    link: function(scope, element, attrs) {
+    link: (scope, element, attrs) => {
       scope.$watch(
-        function(scope) {
+        scope => {
           return scope.$eval(attrs.compile);
         },
-        function(value) {
+        value => {
           element.html(value);
           $compile(element.contents())(scope);
         }
@@ -67,9 +67,9 @@ function compile($compile) {
 function watchChange() {
   return {
     scope: { onchange: '&watchChange' },
-    link: function(scope, element) {
-      element.on('input', function() {
-        scope.$apply(function() {
+    link: (scope, element) => {
+      element.on('input', () => {
+        scope.$apply(() => {
           scope.onchange({ inputValue: element.val() });
         });
       });
@@ -81,7 +81,7 @@ function watchChange() {
 function editorOptBool($compile) {
   return {
     restrict: 'E',
-    link: function(scope, elem, attrs) {
+    link: (scope, elem, attrs) => {
       const ngchange = attrs.change ? ' ng-change="' + attrs.change + '"' : '';
       const tip = attrs.tip ? ' <tip>' + attrs.tip + '</tip>' : '';
       const showIf = attrs.showIf ? ' ng-show="' + attrs.showIf + '" ' : '';
@@ -118,7 +118,7 @@ function editorOptBool($compile) {
 function editorCheckbox($compile, $interpolate) {
   return {
     restrict: 'E',
-    link: function(scope, elem, attrs) {
+    link: (scope, elem, attrs) => {
       const text = $interpolate(attrs.text)(scope);
       const model = $interpolate(attrs.model)(scope);
       const ngchange = attrs.change ? ' ng-change="' + attrs.change + '"' : '';
@@ -194,7 +194,7 @@ function gfDropdown($parse, $compile, $timeout) {
     link: function postLink(scope, iElement, iAttrs) {
       const getter = $parse(iAttrs.gfDropdown),
         items = getter(scope);
-      $timeout(function() {
+      $timeout(() => {
         const placement = iElement.data('placement');
         const dropdown = angular.element(buildTemplate(items, placement).join(''));
         dropdown.insertAfter(iElement);

public/app/core/directives/ng_model_on_blur.ts

@@ -6,14 +6,14 @@ function ngModelOnBlur() {
     restrict: 'A',
     priority: 1,
     require: 'ngModel',
-    link: function(scope, elm, attr, ngModelCtrl) {
+    link: (scope, elm, attr, ngModelCtrl) => {
       if (attr.type === 'radio' || attr.type === 'checkbox') {
         return;
       }
 
       elm.off('input keydown change');
-      elm.bind('blur', function() {
-        scope.$apply(function() {
+      elm.bind('blur', () => {
+        scope.$apply(() => {
           ngModelCtrl.$setViewValue(elm.val());
         });
       });
@@ -25,8 +25,8 @@ function emptyToNull() {
   return {
     restrict: 'A',
     require: 'ngModel',
-    link: function(scope, elm, attrs, ctrl) {
-      ctrl.$parsers.push(function(viewValue) {
+    link: (scope, elm, attrs, ctrl) => {
+      ctrl.$parsers.push(viewValue => {
         if (viewValue === '') {
           return null;
         }
@@ -39,8 +39,8 @@ function emptyToNull() {
 function validTimeSpan() {
   return {
     require: 'ngModel',
-    link: function(scope, elm, attrs, ctrl) {
-      ctrl.$validators.integer = function(modelValue, viewValue) {
+    link: (scope, elm, attrs, ctrl) => {
+      ctrl.$validators.integer = (modelValue, viewValue) => {
         if (ctrl.$isEmpty(modelValue)) {
           return true;
         }

public/app/core/directives/rebuild_on_change.ts

@@ -26,7 +26,7 @@ function rebuildOnChange($animate) {
     transclude: true,
     priority: 600,
     restrict: 'E',
-    link: function(scope, elem, attrs, ctrl, transclude) {
+    link: (scope, elem, attrs, ctrl, transclude) => {
       let block, childScope, previousElements;
 
       function cleanUp() {
@@ -40,7 +40,7 @@ function rebuildOnChange($animate) {
         }
         if (block) {
           previousElements = getBlockNodes(block.clone);
-          $animate.leave(previousElements).then(function() {
+          $animate.leave(previousElements).then(() => {
             previousElements = null;
           });
           block = null;
@@ -53,7 +53,7 @@ function rebuildOnChange($animate) {
         }
 
         if (!childScope && (value || attrs.showNull)) {
-          transclude(function(clone, newScope) {
+          transclude((clone, newScope) => {
             childScope = newScope;
             clone[clone.length++] = document.createComment(' end rebuild on change ');
             block = { clone: clone };

public/app/core/directives/tags.ts

@@ -13,7 +13,7 @@ function setColor(name, element) {
 function tagColorFromName() {
   return {
     scope: { tagColorFromName: '=' },
-    link: function(scope, element) {
+    link: (scope, element) => {
       setColor(scope.tagColorFromName, element);
     },
   };
@@ -29,7 +29,7 @@ function bootstrapTagsinput() {
       return scope.$parent[property];
     }
 
-    return function(item) {
+    return item => {
       return item[property];
     };
   }
@@ -64,7 +64,7 @@ function bootstrapTagsinput() {
         itemText: getItemProperty(scope, attrs.itemtext),
         tagClass: angular.isFunction(scope.$parent[attrs.tagclass])
           ? scope.$parent[attrs.tagclass]
-          : function() {
+          : () => {
               return attrs.tagclass;
             },
       });
@@ -85,7 +85,7 @@ function bootstrapTagsinput() {
         setColor(event.item, tagElement);
       });
 
-      select.on('itemRemoved', function(event) {
+      select.on('itemRemoved', event => {
         const idx = scope.model.indexOf(event.item);
         if (idx !== -1) {
           scope.model.splice(idx, 1);
@@ -97,7 +97,7 @@ function bootstrapTagsinput() {
 
       scope.$watch(
         'model',
-        function() {
+        () => {
           if (!angular.isArray(scope.model)) {
             scope.model = [];
           }

public/app/core/directives/value_select_dropdown.ts

@@ -245,7 +245,7 @@ export function valueSelectDropdown($compile, $window, $timeout, $rootScope) {
     controller: 'ValueSelectDropdownCtrl',
     controllerAs: 'vm',
     bindToController: true,
-    link: function(scope, elem) {
+    link: (scope, elem) => {
       const bodyEl = angular.element($window.document.body);
       const linkEl = elem.find('.variable-value-link');
       const inputEl = elem.find('input');
@@ -258,7 +258,7 @@ export function valueSelectDropdown($compile, $window, $timeout, $rootScope) {
 
         inputEl.focus();
         $timeout(
-          function() {
+          () => {
             bodyEl.on('click', bodyOnClick);
           },
           0,
@@ -274,7 +274,7 @@ export function valueSelectDropdown($compile, $window, $timeout, $rootScope) {
 
       function bodyOnClick(e) {
         if (elem.has(e.target).length === 0) {
-          scope.$apply(function() {
+          scope.$apply(() => {
             scope.vm.commitChanges();
           });
         }

public/app/core/jquery_extended.ts

@@ -4,7 +4,7 @@ import _ from 'lodash';
 
 const $win = $(window);
 
-$.fn.place_tt = (function() {
+$.fn.place_tt = (() => {
   const defaults = {
     offset: 5,
   };
@@ -28,7 +28,7 @@ $.fn.place_tt = (function() {
           .invoke([
             '$compile',
             '$rootScope',
-            function($compile, $rootScope) {
+            ($compile, $rootScope) => {
               const tmpScope = $rootScope.$new(true);
               _.extend(tmpScope, opts.scopeData);
 

public/app/core/partials.ts

@@ -1,4 +1,4 @@
 let templates = (require as any).context('../', true, /\.html$/);
-templates.keys().forEach(function(key) {
+templates.keys().forEach(key => {
   templates(key);
 });

public/app/core/profiler.ts

@@ -82,15 +82,15 @@ export class Profiler {
     let scopes = 0;
     const root = $(document.getElementsByTagName('body'));
 
-    const f = function(element) {
+    const f = element => {
       if (element.data().hasOwnProperty('$scope')) {
         scopes++;
-        angular.forEach(element.data().$scope.$$watchers, function() {
+        angular.forEach(element.data().$scope.$$watchers, () => {
           count++;
         });
       }
 
-      angular.forEach(element.children(), function(childElement) {
+      angular.forEach(element.children(), childElement => {
         f($(childElement));
       });
     };

public/app/core/services/analytics.ts

@@ -15,6 +15,7 @@ export class Analytics {
     const ga = ((window as any).ga =
       (window as any).ga ||
       function() {
+        //tslint:disable-line:only-arrow-functions
         (ga.q = ga.q || []).push(arguments);
       });
     ga.l = +new Date();

public/app/core/services/context_srv.ts

@@ -62,6 +62,6 @@ export class ContextSrv {
 const contextSrv = new ContextSrv();
 export { contextSrv };
 
-coreModule.factory('contextSrv', function() {
+coreModule.factory('contextSrv', () => {
   return contextSrv;
 });

public/app/core/services/ng_react.ts

@@ -34,7 +34,7 @@ function getReactComponent(name, $injector) {
 
   if (!reactComponent) {
     try {
-      reactComponent = name.split('.').reduce(function(current, namePart) {
+      reactComponent = name.split('.').reduce((current, namePart) => {
         return current[namePart];
       }, window);
     } catch (e) {}
@@ -53,12 +53,13 @@ function applied(fn, scope) {
     return fn;
   }
   const wrapped: any = function() {
+    //tslint:disable-line:only-arrow-functions
     const args = arguments;
     const phase = scope.$root.$$phase;
     if (phase === '$apply' || phase === '$digest') {
       return fn.apply(null, args);
     } else {
-      return scope.$apply(function() {
+      return scope.$apply(() => {
         return fn.apply(null, args);
       });
     }
@@ -80,7 +81,7 @@ function applied(fn, scope) {
  * @returns {Object} props with the functions wrapped in scope.$apply
  */
 function applyFunctions(obj, scope, propsConfig?) {
-  return Object.keys(obj || {}).reduce(function(prev, key) {
+  return Object.keys(obj || {}).reduce((prev, key) => {
     const value = obj[key];
     const config = (propsConfig || {})[key] || {};
     /**
@@ -108,7 +109,7 @@ function watchProps(watchDepth, scope, watchExpressions, listener) {
 
   const watchGroupExpressions = [];
 
-  watchExpressions.forEach(function(expr) {
+  watchExpressions.forEach(expr => {
     const actualExpr = getPropExpression(expr);
     const exprWatchDepth = getPropWatchDepth(watchDepth, expr);
 
@@ -134,7 +135,7 @@ function watchProps(watchDepth, scope, watchExpressions, listener) {
 
 // render React component, with scope[attrs.props] being passed in as the component props
 function renderComponent(component, props, scope, elem) {
-  scope.$evalAsync(function() {
+  scope.$evalAsync(() => {
     ReactDOM.render(React.createElement(component, props), elem[0]);
   });
 }
@@ -156,7 +157,7 @@ function getPropExpression(prop) {
 
 // find the normalized attribute knowing that React props accept any type of capitalization
 function findAttribute(attrs, propName) {
-  const index = Object.keys(attrs).filter(function(attr) {
+  const index = Object.keys(attrs).filter(attr => {
     return attr.toLowerCase() === propName.toLowerCase();
   })[0];
   return attrs[index];
@@ -186,14 +187,14 @@ function getPropWatchDepth(defaultWatch, prop) {
 //         }
 //     }));
 //
-const reactComponent = function($injector) {
+const reactComponent = $injector => {
   return {
     restrict: 'E',
     replace: true,
     link: function(scope, elem, attrs) {
       const reactComponent = getReactComponent(attrs.name, $injector);
 
-      const renderMyComponent = function() {
+      const renderMyComponent = () => {
         const scopeProps = scope.$eval(attrs.props);
         const props = applyFunctions(scopeProps, scope);
 
@@ -243,8 +244,8 @@ const reactComponent = function($injector) {
 //
 //     <hello name="name"/>
 //
-const reactDirective = function($injector) {
-  return function(reactComponentName, props, conf, injectableProps) {
+const reactDirective = $injector => {
+  return (reactComponentName, props, conf, injectableProps) => {
     const directive = {
       restrict: 'E',
       replace: true,
@@ -255,11 +256,11 @@ const reactDirective = function($injector) {
         props = props || Object.keys(reactComponent.propTypes || {});
 
         // for each of the properties, get their scope value and set it to scope.props
-        const renderMyComponent = function() {
+        const renderMyComponent = () => {
           let scopeProps = {};
           const config = {};
 
-          props.forEach(function(prop) {
+          props.forEach(prop => {
             const propName = getPropName(prop);
             scopeProps[propName] = scope.$eval(findAttribute(attrs, propName));
             config[propName] = getPropConfig(prop);
@@ -272,7 +273,7 @@ const reactDirective = function($injector) {
 
         // watch each property name and trigger an update whenever something changes,
         // to update scope.props with new values
-        const propExpressions = props.map(function(prop) {
+        const propExpressions = props.map(prop => {
           return Array.isArray(prop) ? [attrs[getPropName(prop)], getPropConfig(prop)] : attrs[prop];
         });
 

public/app/core/table_model.ts

@@ -26,7 +26,7 @@ export default class TableModel {
       return;
     }
 
-    this.rows.sort(function(a, b) {
+    this.rows.sort((a, b) => {
       a = a[options.col];
       b = b[options.col];
       // Sort null or undefined seperately from comparable values

public/app/core/utils/file_export.ts

@@ -84,7 +84,7 @@ export function convertSeriesListToCsvColumns(seriesList, dateTimeFormat = DEFAU
     formatSpecialHeader(excel) +
     formatRow(
       ['Time'].concat(
-        seriesList.map(function(val) {
+        seriesList.map(val => {
           return val.alias;
         })
       )
@@ -97,7 +97,7 @@ export function convertSeriesListToCsvColumns(seriesList, dateTimeFormat = DEFAU
     const timestamp = moment(seriesList[0].datapoints[i][POINT_TIME_INDEX]).format(dateTimeFormat);
     text += formatRow(
       [timestamp].concat(
-        seriesList.map(function(series) {
+        seriesList.map(series => {
           return series.datapoints[i][POINT_VALUE_INDEX];
         })
       ),

public/app/core/utils/flatten.ts

@@ -10,7 +10,7 @@ export default function flatten(target, opts): any {
   const output = {};
 
   function step(object, prev) {
-    Object.keys(object).forEach(function(key) {
+    Object.keys(object).forEach(key => {
       const value = object[key];
       const isarray = opts.safe && Array.isArray(value);
       const type = Object.prototype.toString.call(value);

public/app/core/utils/kbn.ts

@@ -5,13 +5,13 @@ const kbn: any = {};
 
 kbn.valueFormats = {};
 
-kbn.regexEscape = function(value) {
+kbn.regexEscape = value => {
   return value.replace(/[\\^$*+?.()|[\]{}\/]/g, '\\$&');
 };
 
 ///// HELPER FUNCTIONS /////
 
-kbn.round_interval = function(interval) {
+kbn.round_interval = interval => {
   switch (true) {
     // 0.015s
     case interval < 15:
@@ -102,7 +102,7 @@ kbn.round_interval = function(interval) {
   }
 };
 
-kbn.secondsToHms = function(seconds) {
+kbn.secondsToHms = seconds => {
   const numyears = Math.floor(seconds / 31536000);
   if (numyears) {
     return numyears + 'y';
@@ -131,7 +131,7 @@ kbn.secondsToHms = function(seconds) {
   return 'less than a millisecond'; //'just now' //or other string you like;
 };
 
-kbn.secondsToHhmmss = function(seconds) {
+kbn.secondsToHhmmss = seconds => {
   const strings = [];
   const numhours = Math.floor(seconds / 3600);
   const numminutes = Math.floor((seconds % 3600) / 60);
@@ -142,11 +142,11 @@ kbn.secondsToHhmmss = function(seconds) {
   return strings.join(':');
 };
 
-kbn.to_percent = function(nr, outof) {
+kbn.to_percent = (nr, outof) => {
   return Math.floor(nr / outof * 10000) / 100 + '%';
 };
 
-kbn.addslashes = function(str) {
+kbn.addslashes = str => {
   str = str.replace(/\\/g, '\\\\');
   str = str.replace(/\'/g, "\\'");
   str = str.replace(/\"/g, '\\"');
@@ -168,7 +168,7 @@ kbn.intervals_in_seconds = {
   ms: 0.001,
 };
 
-kbn.calculateInterval = function(range, resolution, lowLimitInterval) {
+kbn.calculateInterval = (range, resolution, lowLimitInterval) => {
   let lowLimitMs = 1; // 1 millisecond default low limit
   let intervalMs;
 
@@ -190,7 +190,7 @@ kbn.calculateInterval = function(range, resolution, lowLimitInterval) {
   };
 };
 
-kbn.describe_interval = function(str) {
+kbn.describe_interval = str => {
   const matches = str.match(kbn.interval_regex);
   if (!matches || !_.has(kbn.intervals_in_seconds, matches[2])) {
     throw new Error('Invalid interval string, expecting a number followed by one of "Mwdhmsy"');
@@ -203,17 +203,17 @@ kbn.describe_interval = function(str) {
   }
 };
 
-kbn.interval_to_ms = function(str) {
+kbn.interval_to_ms = str => {
   const info = kbn.describe_interval(str);
   return info.sec * 1000 * info.count;
 };
 
-kbn.interval_to_seconds = function(str) {
+kbn.interval_to_seconds = str => {
   const info = kbn.describe_interval(str);
   return info.sec * info.count;
 };
 
-kbn.query_color_dot = function(color, diameter) {
+kbn.query_color_dot = (color, diameter) => {
   return (
     '<div class="icon-circle" style="' +
     ['display:inline-block', 'color:' + color, 'font-size:' + diameter + 'px'].join(';') +
@@ -221,14 +221,14 @@ kbn.query_color_dot = function(color, diameter) {
   );
 };
 
-kbn.slugifyForUrl = function(str) {
+kbn.slugifyForUrl = str => {
   return str
     .toLowerCase()
     .replace(/[^\w ]+/g, '')
     .replace(/ +/g, '-');
 };
 
-kbn.stringToJsRegex = function(str) {
+kbn.stringToJsRegex = str => {
   if (str[0] !== '/') {
     return new RegExp('^' + str + '$');
   }
@@ -237,7 +237,7 @@ kbn.stringToJsRegex = function(str) {
   return new RegExp(match[1], match[2]);
 };
 
-kbn.toFixed = function(value, decimals) {
+kbn.toFixed = (value, decimals) => {
   if (value === null) {
     return '';
   }
@@ -263,7 +263,7 @@ kbn.toFixed = function(value, decimals) {
   return formatted;
 };
 
-kbn.toFixedScaled = function(value, decimals, scaledDecimals, additionalDecimals, ext) {
+kbn.toFixedScaled = (value, decimals, scaledDecimals, additionalDecimals, ext) => {
   if (scaledDecimals === null) {
     return kbn.toFixed(value, decimals) + ext;
   } else {
@@ -271,7 +271,7 @@ kbn.toFixedScaled = function(value, decimals, scaledDecimals, additionalDecimals
   }
 };
 
-kbn.roundValue = function(num, decimals) {
+kbn.roundValue = (num, decimals) => {
   if (num === null) {
     return null;
   }
@@ -286,8 +286,8 @@ kbn.formatBuilders = {};
 
 // Formatter which always appends a fixed unit string to the value. No
 // scaling of the value is performed.
-kbn.formatBuilders.fixedUnit = function(unit) {
-  return function(size, decimals) {
+kbn.formatBuilders.fixedUnit = unit => {
+  return (size, decimals) => {
     if (size === null) {
       return '';
     }
@@ -298,8 +298,8 @@ kbn.formatBuilders.fixedUnit = function(unit) {
 // Formatter which scales the unit string geometrically according to the given
 // numeric factor. Repeatedly scales the value down by the factor until it is
 // less than the factor in magnitude, or the end of the array is reached.
-kbn.formatBuilders.scaledUnits = function(factor, extArray) {
-  return function(size, decimals, scaledDecimals) {
+kbn.formatBuilders.scaledUnits = (factor, extArray) => {
+  return (size, decimals, scaledDecimals) => {
     if (size === null) {
       return '';
     }
@@ -327,10 +327,10 @@ kbn.formatBuilders.scaledUnits = function(factor, extArray) {
 // Extension of the scaledUnits builder which uses SI decimal prefixes. If an
 // offset is given, it adjusts the starting units at the given prefix; a value
 // of 0 starts at no scale; -3 drops to nano, +2 starts at mega, etc.
-kbn.formatBuilders.decimalSIPrefix = function(unit, offset) {
+kbn.formatBuilders.decimalSIPrefix = (unit, offset) => {
   let prefixes = ['n', 'µ', 'm', '', 'k', 'M', 'G', 'T', 'P', 'E', 'Z', 'Y'];
   prefixes = prefixes.slice(3 + (offset || 0));
-  const units = prefixes.map(function(p) {
+  const units = prefixes.map(p => {
     return ' ' + p + unit;
   });
   return kbn.formatBuilders.scaledUnits(1000, units);
@@ -339,9 +339,9 @@ kbn.formatBuilders.decimalSIPrefix = function(unit, offset) {
 // Extension of the scaledUnits builder which uses SI binary prefixes. If
 // offset is given, it starts the units at the given prefix; otherwise, the
 // offset defaults to zero and the initial unit is not prefixed.
-kbn.formatBuilders.binarySIPrefix = function(unit, offset) {
+kbn.formatBuilders.binarySIPrefix = (unit, offset) => {
   const prefixes = ['', 'Ki', 'Mi', 'Gi', 'Ti', 'Pi', 'Ei', 'Zi', 'Yi'].slice(offset);
-  const units = prefixes.map(function(p) {
+  const units = prefixes.map(p => {
     return ' ' + p + unit;
   });
   return kbn.formatBuilders.scaledUnits(1024, units);
@@ -349,10 +349,10 @@ kbn.formatBuilders.binarySIPrefix = function(unit, offset) {
 
 // Currency formatter for prefixing a symbol onto a number. Supports scaling
 // up to the trillions.
-kbn.formatBuilders.currency = function(symbol) {
+kbn.formatBuilders.currency = symbol => {
   const units = ['', 'K', 'M', 'B', 'T'];
   const scaler = kbn.formatBuilders.scaledUnits(1000, units);
-  return function(size, decimals, scaledDecimals) {
+  return (size, decimals, scaledDecimals) => {
     if (size === null) {
       return '';
     }
@@ -361,10 +361,10 @@ kbn.formatBuilders.currency = function(symbol) {
   };
 };
 
-kbn.formatBuilders.simpleCountUnit = function(symbol) {
+kbn.formatBuilders.simpleCountUnit = symbol => {
   const units = ['', 'K', 'M', 'B', 'T'];
   const scaler = kbn.formatBuilders.scaledUnits(1000, units);
-  return function(size, decimals, scaledDecimals) {
+  return (size, decimals, scaledDecimals) => {
     if (size === null) {
       return '';
     }
@@ -390,14 +390,14 @@ kbn.valueFormats.short = kbn.formatBuilders.scaledUnits(1000, [
 ]);
 kbn.valueFormats.dB = kbn.formatBuilders.fixedUnit('dB');
 
-kbn.valueFormats.percent = function(size, decimals) {
+kbn.valueFormats.percent = (size, decimals) => {
   if (size === null) {
     return '';
   }
   return kbn.toFixed(size, decimals) + '%';
 };
 
-kbn.valueFormats.percentunit = function(size, decimals) {
+kbn.valueFormats.percentunit = (size, decimals) => {
   if (size === null) {
     return '';
   }
@@ -407,7 +407,7 @@ kbn.valueFormats.percentunit = function(size, decimals) {
 /* Formats the value to hex. Uses float if specified decimals are not 0.
  * There are two options, one with 0x, and one without */
 
-kbn.valueFormats.hex = function(value, decimals) {
+kbn.valueFormats.hex = (value, decimals) => {
   if (value == null) {
     return '';
   }
@@ -416,7 +416,7 @@ kbn.valueFormats.hex = function(value, decimals) {
     .toUpperCase();
 };
 
-kbn.valueFormats.hex0x = function(value, decimals) {
+kbn.valueFormats.hex0x = (value, decimals) => {
   if (value == null) {
     return '';
   }
@@ -427,11 +427,11 @@ kbn.valueFormats.hex0x = function(value, decimals) {
   return '0x' + hexString;
 };
 
-kbn.valueFormats.sci = function(value, decimals) {
+kbn.valueFormats.sci = (value, decimals) => {
   return value.toExponential(decimals);
 };
 
-kbn.valueFormats.locale = function(value, decimals) {
+kbn.valueFormats.locale = (value, decimals) => {
   return value.toLocaleString(undefined, { maximumFractionDigits: decimals });
 };
 
@@ -618,7 +618,7 @@ kbn.valueFormats.congNm3 = kbn.formatBuilders.fixedUnit('g/Nm³');
 // Time
 kbn.valueFormats.hertz = kbn.formatBuilders.decimalSIPrefix('Hz');
 
-kbn.valueFormats.ms = function(size, decimals, scaledDecimals) {
+kbn.valueFormats.ms = (size, decimals, scaledDecimals) => {
   if (size === null) {
     return '';
   }
@@ -642,7 +642,7 @@ kbn.valueFormats.ms = function(size, decimals, scaledDecimals) {
   return kbn.toFixedScaled(size / 31536000000, decimals, scaledDecimals, 10, ' year');
 };
 
-kbn.valueFormats.s = function(size, decimals, scaledDecimals) {
+kbn.valueFormats.s = (size, decimals, scaledDecimals) => {
   if (size === null) {
     return '';
   }
@@ -679,7 +679,7 @@ kbn.valueFormats.s = function(size, decimals, scaledDecimals) {
   return kbn.toFixedScaled(size / 3.15569e7, decimals, scaledDecimals, 7, ' year');
 };
 
-kbn.valueFormats['µs'] = function(size, decimals, scaledDecimals) {
+kbn.valueFormats['µs'] = (size, decimals, scaledDecimals) => {
   if (size === null) {
     return '';
   }
@@ -693,7 +693,7 @@ kbn.valueFormats['µs'] = function(size, decimals, scaledDecimals) {
   }
 };
 
-kbn.valueFormats.ns = function(size, decimals, scaledDecimals) {
+kbn.valueFormats.ns = (size, decimals, scaledDecimals) => {
   if (size === null) {
     return '';
   }
@@ -711,7 +711,7 @@ kbn.valueFormats.ns = function(size, decimals, scaledDecimals) {
   }
 };
 
-kbn.valueFormats.m = function(size, decimals, scaledDecimals) {
+kbn.valueFormats.m = (size, decimals, scaledDecimals) => {
   if (size === null) {
     return '';
   }
@@ -729,7 +729,7 @@ kbn.valueFormats.m = function(size, decimals, scaledDecimals) {
   }
 };
 
-kbn.valueFormats.h = function(size, decimals, scaledDecimals) {
+kbn.valueFormats.h = (size, decimals, scaledDecimals) => {
   if (size === null) {
     return '';
   }
@@ -745,7 +745,7 @@ kbn.valueFormats.h = function(size, decimals, scaledDecimals) {
   }
 };
 
-kbn.valueFormats.d = function(size, decimals, scaledDecimals) {
+kbn.valueFormats.d = (size, decimals, scaledDecimals) => {
   if (size === null) {
     return '';
   }
@@ -759,7 +759,7 @@ kbn.valueFormats.d = function(size, decimals, scaledDecimals) {
   }
 };
 
-kbn.toDuration = function(size, decimals, timeScale) {
+kbn.toDuration = (size, decimals, timeScale) => {
   if (size === null) {
     return '';
   }
@@ -784,7 +784,7 @@ kbn.toDuration = function(size, decimals, timeScale) {
   // intervals_in_seconds uses seconds (duh), convert them to milliseconds here to minimize floating point errors
   size *=
     kbn.intervals_in_seconds[
-      units.find(function(e) {
+      units.find(e => {
         return e.long === timeScale;
       }).short
     ] * 1000;
@@ -808,23 +808,23 @@ kbn.toDuration = function(size, decimals, timeScale) {
   return strings.join(', ');
 };
 
-kbn.valueFormats.dtdurationms = function(size, decimals) {
+kbn.valueFormats.dtdurationms = (size, decimals) => {
   return kbn.toDuration(size, decimals, 'millisecond');
 };
 
-kbn.valueFormats.dtdurations = function(size, decimals) {
+kbn.valueFormats.dtdurations = (size, decimals) => {
   return kbn.toDuration(size, decimals, 'second');
 };
 
-kbn.valueFormats.dthms = function(size, decimals) {
+kbn.valueFormats.dthms = (size, decimals) => {
   return kbn.secondsToHhmmss(size);
 };
 
-kbn.valueFormats.timeticks = function(size, decimals, scaledDecimals) {
+kbn.valueFormats.timeticks = (size, decimals, scaledDecimals) => {
   return kbn.valueFormats.s(size / 100, decimals, scaledDecimals);
 };
 
-kbn.valueFormats.dateTimeAsIso = function(epoch, isUtc) {
+kbn.valueFormats.dateTimeAsIso = (epoch, isUtc) => {
   const time = isUtc ? moment.utc(epoch) : moment(epoch);
 
   if (moment().isSame(epoch, 'day')) {
@@ -833,7 +833,7 @@ kbn.valueFormats.dateTimeAsIso = function(epoch, isUtc) {
   return time.format('YYYY-MM-DD HH:mm:ss');
 };
 
-kbn.valueFormats.dateTimeAsUS = function(epoch, isUtc) {
+kbn.valueFormats.dateTimeAsUS = (epoch, isUtc) => {
   const time = isUtc ? moment.utc(epoch) : moment(epoch);
 
   if (moment().isSame(epoch, 'day')) {
@@ -842,14 +842,14 @@ kbn.valueFormats.dateTimeAsUS = function(epoch, isUtc) {
   return time.format('MM/DD/YYYY h:mm:ss a');
 };
 
-kbn.valueFormats.dateTimeFromNow = function(epoch, isUtc) {
+kbn.valueFormats.dateTimeFromNow = (epoch, isUtc) => {
   const time = isUtc ? moment.utc(epoch) : moment(epoch);
   return time.fromNow();
 };
 
 ///// FORMAT MENU /////
 
-kbn.getUnitFormats = function() {
+kbn.getUnitFormats = () => {
   return [
     {
       text: 'none',

public/app/core/utils/outline.ts

@@ -5,7 +5,7 @@ function outlineFixer() {
   const styleElement = d.createElement('STYLE');
   const domEvents = 'addEventListener' in d;
 
-  const addEventListener = function(type, callback) {
+  const addEventListener = (type, callback) => {
     // Basic cross-browser event handling
     if (domEvents) {
       d.addEventListener(type, callback);
@@ -14,7 +14,7 @@ function outlineFixer() {
     }
   };
 
-  const setCss = function(cssText) {
+  const setCss = cssText => {
     // Handle setting of <style> element contents in IE8
     !!styleElement.styleSheet ? (styleElement.styleSheet.cssText = cssText) : (styleElement.innerHTML = cssText);
   };
@@ -22,11 +22,11 @@ function outlineFixer() {
   d.getElementsByTagName('HEAD')[0].appendChild(styleElement);
 
   // Using mousedown instead of mouseover, so that previously focused elements don't lose focus ring on mouse move
-  addEventListener('mousedown', function() {
+  addEventListener('mousedown', () => {
     setCss(':focus{outline:0 !important}::-moz-focus-inner{border:0;}');
   });
 
-  addEventListener('keydown', function() {
+  addEventListener('keydown', () => {
     setCss('');
   });
 }

public/app/core/utils/rangeutil.ts

@@ -61,7 +61,7 @@ const rangeOptions = [
 const absoluteFormat = 'MMM D, YYYY HH:mm:ss';
 
 const rangeIndex = {};
-_.each(rangeOptions, function(frame) {
+_.each(rangeOptions, frame => {
   rangeIndex[frame.from + ' to ' + frame.to] = frame;
 });
 

public/app/core/utils/url.ts

@@ -6,11 +6,11 @@ export function toUrlParams(a) {
   const s = [];
   const rbracket = /\[\]$/;
 
-  const isArray = function(obj) {
+  const isArray = obj => {
     return Object.prototype.toString.call(obj) === '[object Array]';
   };
 
-  const add = function(k, v) {
+  const add = (k, v) => {
     v = typeof v === 'function' ? v() : v === null ? '' : v === undefined ? '' : v;
     if (typeof v !== 'boolean') {
       s[s.length] = encodeURIComponent(k) + '=' + encodeURIComponent(v);
@@ -19,7 +19,7 @@ export function toUrlParams(a) {
     }
   };
 
-  const buildParams = function(prefix, obj) {
+  const buildParams = (prefix, obj) => {
     let i, len, key;
 
     if (prefix) {

public/app/features/dashboard/dashboard_migration.ts

@@ -36,7 +36,7 @@ export class DashboardMigrator {
         }
       }
 
-      panelUpgrades.push(function(panel) {
+      panelUpgrades.push(panel => {
         // rename panel type
         if (panel.type === 'graphite') {
           panel.type = 'graph';
@@ -84,7 +84,7 @@ export class DashboardMigrator {
     if (oldVersion < 3) {
       // ensure panel ids
       let maxId = this.dashboard.getNextPanelId();
-      panelUpgrades.push(function(panel) {
+      panelUpgrades.push(panel => {
         if (!panel.id) {
           panel.id = maxId;
           maxId += 1;
@@ -95,11 +95,11 @@ export class DashboardMigrator {
     // schema version 4 changes
     if (oldVersion < 4) {
       // move aliasYAxis changes
-      panelUpgrades.push(function(panel) {
+      panelUpgrades.push(panel => {
         if (panel.type !== 'graph') {
           return;
         }
-        _.each(panel.aliasYAxis, function(value, key) {
+        _.each(panel.aliasYAxis, (value, key) => {
           panel.seriesOverrides = [{ alias: key, yaxis: value }];
         });
         delete panel.aliasYAxis;
@@ -150,15 +150,15 @@ export class DashboardMigrator {
     }
 
     if (oldVersion < 8) {
-      panelUpgrades.push(function(panel) {
-        _.each(panel.targets, function(target) {
+      panelUpgrades.push(panel => {
+        _.each(panel.targets, target => {
           // update old influxdb query schema
           if (target.fields && target.tags && target.groupBy) {
             if (target.rawQuery) {
               delete target.fields;
               delete target.fill;
             } else {
-              target.select = _.map(target.fields, function(field) {
+              target.select = _.map(target.fields, field => {
                 const parts = [];
                 parts.push({ type: 'field', params: [field.name] });
                 parts.push({ type: field.func, params: [] });
@@ -171,7 +171,7 @@ export class DashboardMigrator {
                 return parts;
               });
               delete target.fields;
-              _.each(target.groupBy, function(part) {
+              _.each(target.groupBy, part => {
                 if (part.type === 'time' && part.interval) {
                   part.params = [part.interval];
                   delete part.interval;
@@ -195,7 +195,7 @@ export class DashboardMigrator {
     // schema version 9 changes
     if (oldVersion < 9) {
       // move aliasYAxis changes
-      panelUpgrades.push(function(panel) {
+      panelUpgrades.push(panel => {
         if (panel.type !== 'singlestat' && panel.thresholds !== '') {
           return;
         }
@@ -214,12 +214,12 @@ export class DashboardMigrator {
     // schema version 10 changes
     if (oldVersion < 10) {
       // move aliasYAxis changes
-      panelUpgrades.push(function(panel) {
+      panelUpgrades.push(panel => {
         if (panel.type !== 'table') {
           return;
         }
 
-        _.each(panel.styles, function(style) {
+        _.each(panel.styles, style => {
           if (style.thresholds && style.thresholds.length >= 3) {
             const k = style.thresholds;
             k.shift();
@@ -231,7 +231,7 @@ export class DashboardMigrator {
 
     if (oldVersion < 12) {
       // update template variables
-      _.each(this.dashboard.templating.list, function(templateVariable) {
+      _.each(this.dashboard.templating.list, templateVariable => {
         if (templateVariable.refresh) {
           templateVariable.refresh = 1;
         }
@@ -248,7 +248,7 @@ export class DashboardMigrator {
 
     if (oldVersion < 12) {
       // update graph yaxes changes
-      panelUpgrades.push(function(panel) {
+      panelUpgrades.push(panel => {
         if (panel.type !== 'graph') {
           return;
         }
@@ -297,7 +297,7 @@ export class DashboardMigrator {
 
     if (oldVersion < 13) {
       // update graph yaxes changes
-      panelUpgrades.push(function(panel) {
+      panelUpgrades.push(panel => {
         if (panel.type !== 'graph') {
           return;
         }

public/app/features/dashboard/dashboard_model.ts

@@ -258,7 +258,7 @@ export class DashboardModel {
   }
 
   sortPanelsByGridPos() {
-    this.panels.sort(function(panelA, panelB) {
+    this.panels.sort((panelA, panelB) => {
       if (panelA.gridPos.y === panelB.gridPos.y) {
         return panelA.gridPos.x - panelB.gridPos.x;
       } else {
@@ -775,8 +775,8 @@ export class DashboardModel {
   getNextQueryLetter(panel) {
     const letters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
 
-    return _.find(letters, function(refId) {
-      return _.every(panel.targets, function(other) {
+    return _.find(letters, refId => {
+      return _.every(panel.targets, other => {
         return other.refId !== refId;
       });
     });

public/app/features/panel/panel_ctrl.ts

@@ -126,7 +126,7 @@ export class PanelCtrl {
     const editorTab = { title, directiveFn };
 
     if (_.isString(directiveFn)) {
-      editorTab.directiveFn = function() {
+      editorTab.directiveFn = () => {
         return { templateUrl: directiveFn };
       };
     }

public/app/plugins/datasource/graphite/add_graphite_func.ts

@@ -24,7 +24,7 @@ export function graphiteAddFunc($compile) {
       $input.appendTo(elem);
       $button.appendTo(elem);
 
-      ctrl.datasource.getFuncDefs().then(function(funcDefs) {
+      ctrl.datasource.getFuncDefs().then(funcDefs => {
         const allFunctions = _.map(funcDefs, 'name').sort();
 
         $scope.functionMenu = createFunctionDropDownMenu(funcDefs);
@@ -34,12 +34,12 @@ export function graphiteAddFunc($compile) {
           source: allFunctions,
           minLength: 1,
           items: 10,
-          updater: function(value) {
+          updater: value => {
             let funcDef = ctrl.datasource.getFuncDef(value);
             if (!funcDef) {
               // try find close match
               value = value.toLowerCase();
-              funcDef = _.find(allFunctions, function(funcName) {
+              funcDef = _.find(allFunctions, funcName => {
                 return funcName.toLowerCase().indexOf(value) === 0;
               });
 
@@ -48,7 +48,7 @@ export function graphiteAddFunc($compile) {
               }
             }
 
-            $scope.$apply(function() {
+            $scope.$apply(() => {
               ctrl.addFunction(funcDef);
             });
 
@@ -57,20 +57,20 @@ export function graphiteAddFunc($compile) {
           },
         });
 
-        $button.click(function() {
+        $button.click(() => {
           $button.hide();
           $input.show();
           $input.focus();
         });
 
-        $input.keyup(function() {
+        $input.keyup(() => {
           elem.toggleClass('open', $input.val() === '');
         });
 
-        $input.blur(function() {
+        $input.blur(() => {
           // clicking the function dropdown menu won't
           // work if you remove class at once
-          setTimeout(function() {
+          setTimeout(() => {
             $input.val('');
             $input.hide();
             $button.show();
@@ -82,7 +82,7 @@ export function graphiteAddFunc($compile) {
       });
 
       let drop;
-      const cleanUpDrop = function() {
+      const cleanUpDrop = () => {
         if (drop) {
           drop.destroy();
           drop = null;
@@ -121,7 +121,7 @@ export function graphiteAddFunc($compile) {
             });
           }
         })
-        .on('mouseout', 'ul.dropdown-menu li', function() {
+        .on('mouseout', 'ul.dropdown-menu li', () => {
           cleanUpDrop();
         });
 
@@ -135,7 +135,7 @@ angular.module('grafana.directives').directive('graphiteAddFunc', graphiteAddFun
 function createFunctionDropDownMenu(funcDefs) {
   const categories = {};
 
-  _.forEach(funcDefs, function(funcDef) {
+  _.forEach(funcDefs, funcDef => {
     if (!funcDef.category) {
       return;
     }
@@ -149,7 +149,7 @@ function createFunctionDropDownMenu(funcDefs) {
   });
 
   return _.sortBy(
-    _.map(categories, function(submenu, category) {
+    _.map(categories, (submenu, category) => {
       return {
         text: category,
         submenu: _.sortBy(submenu, 'text'),

public/app/plugins/datasource/graphite/datasource.ts

@@ -16,7 +16,7 @@ export function GraphiteDatasource(this: any, instanceSettings, $q, backendSrv,
   this.funcDefs = null;
   this.funcDefsPromise = null;
 
-  this.getQueryOptionsInfo = function() {
+  this.getQueryOptionsInfo = () => {
     return {
       maxDataPoints: true,
       cacheTimeout: true,
@@ -70,7 +70,7 @@ export function GraphiteDatasource(this: any, instanceSettings, $q, backendSrv,
     }
   };
 
-  this.convertDataPointsToMs = function(result) {
+  this.convertDataPointsToMs = result => {
     if (!result || !result.data) {
       return [];
     }
@@ -83,7 +83,7 @@ export function GraphiteDatasource(this: any, instanceSettings, $q, backendSrv,
     return result;
   };
 
-  this.parseTags = function(tagString) {
+  this.parseTags = tagString => {
     let tags = [];
     tags = tagString.split(',');
     if (tags.length === 1) {
@@ -106,7 +106,7 @@ export function GraphiteDatasource(this: any, instanceSettings, $q, backendSrv,
         maxDataPoints: 100,
       };
 
-      return this.query(graphiteQuery).then(function(result) {
+      return this.query(graphiteQuery).then(result => {
         const list = [];
 
         for (let i = 0; i < result.data.length; i++) {
@@ -175,11 +175,11 @@ export function GraphiteDatasource(this: any, instanceSettings, $q, backendSrv,
     }
   };
 
-  this.targetContainsTemplate = function(target) {
+  this.targetContainsTemplate = target => {
     return templateSrv.variableExists(target.target);
   };
 
-  this.translateTime = function(date, roundUp) {
+  this.translateTime = (date, roundUp) => {
     if (_.isString(date)) {
       if (date === 'now') {
         return 'now';
@@ -467,7 +467,7 @@ export function GraphiteDatasource(this: any, instanceSettings, $q, backendSrv,
       targets: [{ target: 'constantLine(100)' }],
       maxDataPoints: 300,
     };
-    return this.query(query).then(function() {
+    return this.query(query).then(() => {
       return { status: 'success', message: 'Data source is working' };
     });
   };
@@ -539,7 +539,7 @@ export function GraphiteDatasource(this: any, instanceSettings, $q, backendSrv,
       }
     }
 
-    _.each(options, function(value, key) {
+    _.each(options, (value, key) => {
       if (_.indexOf(graphiteOptions, key) === -1) {
         return;
       }

public/app/plugins/datasource/graphite/func_editor.ts

@@ -57,7 +57,7 @@ export function graphiteFuncEditor($compile, templateSrv, popoverSrv) {
 
         if (!scheduledRelink) {
           scheduledRelink = true;
-          setTimeout(function() {
+          setTimeout(() => {
             relink();
             scheduledRelink = false;
           }, 200);
@@ -93,7 +93,7 @@ export function graphiteFuncEditor($compile, templateSrv, popoverSrv) {
 
         scheduledRelinkIfNeeded();
 
-        $scope.$apply(function() {
+        $scope.$apply(() => {
           ctrl.targetChanged();
         });
 
@@ -113,7 +113,7 @@ export function graphiteFuncEditor($compile, templateSrv, popoverSrv) {
         const inputElem = this;
         // happens long before the click event on the typeahead options
         // need to have long delay because the blur
-        cancelBlur = setTimeout(function() {
+        cancelBlur = setTimeout(() => {
           switchToLink(inputElem, paramIndex);
         }, 200);
       }
@@ -135,7 +135,7 @@ export function graphiteFuncEditor($compile, templateSrv, popoverSrv) {
 
         let options = paramDef(paramIndex).options;
         if (paramDef(paramIndex).type === 'int') {
-          options = _.map(options, function(val) {
+          options = _.map(options, val => {
             return val.toString();
           });
         }
@@ -144,7 +144,7 @@ export function graphiteFuncEditor($compile, templateSrv, popoverSrv) {
           source: options,
           minLength: 0,
           items: 20,
-          updater: function(value) {
+          updater: value => {
             $input.val(value);
             switchToLink($input[0], paramIndex);
             return value;
@@ -185,7 +185,7 @@ export function graphiteFuncEditor($compile, templateSrv, popoverSrv) {
           defParams.push(_.assign({}, lastParam, { optional: true }));
         }
 
-        _.each(defParams, function(param, index) {
+        _.each(defParams, (param, index) => {
           if (param.optional && func.params.length < index) {
             return false;
           }
@@ -236,7 +236,7 @@ export function graphiteFuncEditor($compile, templateSrv, popoverSrv) {
       function ifJustAddedFocusFirstParam() {
         if ($scope.func.added) {
           $scope.func.added = false;
-          setTimeout(function() {
+          setTimeout(() => {
             elem
               .find('.graphite-func-param-link')
               .first()
@@ -250,18 +250,18 @@ export function graphiteFuncEditor($compile, templateSrv, popoverSrv) {
       }
 
       function registerFuncControlsActions() {
-        $funcControls.click(function(e) {
+        $funcControls.click(e => {
           const $target = $(e.target);
           if ($target.hasClass('fa-remove')) {
             toggleFuncControls();
-            $scope.$apply(function() {
+            $scope.$apply(() => {
               ctrl.removeFunction($scope.func);
             });
             return;
           }
 
           if ($target.hasClass('fa-arrow-left')) {
-            $scope.$apply(function() {
+            $scope.$apply(() => {
               _.move(ctrl.queryModel.functions, $scope.$index, $scope.$index - 1);
               ctrl.targetChanged();
             });
@@ -269,7 +269,7 @@ export function graphiteFuncEditor($compile, templateSrv, popoverSrv) {
           }
 
           if ($target.hasClass('fa-arrow-right')) {
-            $scope.$apply(function() {
+            $scope.$apply(() => {
               _.move(ctrl.queryModel.functions, $scope.$index, $scope.$index + 1);
               ctrl.targetChanged();
             });

public/app/plugins/datasource/graphite/gfunc.ts

@@ -1058,10 +1058,10 @@ function getFuncDef(name, idx?) {
 
 function getFuncDefs(graphiteVersion, idx?) {
   const funcs = {};
-  _.forEach(idx || index, function(funcDef) {
+  _.forEach(idx || index, funcDef => {
     if (isVersionRelatedFunction(funcDef, graphiteVersion)) {
       funcs[funcDef.name] = _.assign({}, funcDef, {
-        params: _.filter(funcDef.params, function(param) {
+        params: _.filter(funcDef.params, param => {
           return isVersionRelatedFunction(param, graphiteVersion);
         }),
       });

public/app/plugins/datasource/graphite/lexer.ts

@@ -1370,7 +1370,7 @@ Lexer.prototype = {
     };
   },
 
-  isPunctuator: function(ch1) {
+  isPunctuator: ch1 => {
     switch (ch1) {
       case '.':
       case '(':

public/app/plugins/datasource/opentsdb/specs/datasource.test.ts

@@ -20,16 +20,16 @@ describe('opentsdb', () => {
     let requestOptions;
 
     beforeEach(async () => {
-      ctx.backendSrv.datasourceRequest = await function(options) {
+      ctx.backendSrv.datasourceRequest = await (options => {
         requestOptions = options;
         return Promise.resolve({
           data: [{ target: 'prod1.count', datapoints: [[10, 1], [12, 1]] }],
         });
-      };
+      });
     });
 
     it('metrics() should generate api suggest query', () => {
-      ctx.ctrl.metricFindQuery('metrics(pew)').then(function(data) {
+      ctx.ctrl.metricFindQuery('metrics(pew)').then(data => {
         results = data;
       });
       expect(requestOptions.url).toBe('/api/suggest');
@@ -39,7 +39,7 @@ describe('opentsdb', () => {
     });
 
     it('tag_names(cpu) should generate lookup query', () => {
-      ctx.ctrl.metricFindQuery('tag_names(cpu)').then(function(data) {
+      ctx.ctrl.metricFindQuery('tag_names(cpu)').then(data => {
         results = data;
       });
       expect(requestOptions.url).toBe('/api/search/lookup');
@@ -47,7 +47,7 @@ describe('opentsdb', () => {
     });
 
     it('tag_values(cpu, test) should generate lookup query', () => {
-      ctx.ctrl.metricFindQuery('tag_values(cpu, hostname)').then(function(data) {
+      ctx.ctrl.metricFindQuery('tag_values(cpu, hostname)').then(data => {
         results = data;
       });
       expect(requestOptions.url).toBe('/api/search/lookup');
@@ -55,7 +55,7 @@ describe('opentsdb', () => {
     });
 
     it('tag_values(cpu, test) should generate lookup query', () => {
-      ctx.ctrl.metricFindQuery('tag_values(cpu, hostname, env=$env)').then(function(data) {
+      ctx.ctrl.metricFindQuery('tag_values(cpu, hostname, env=$env)').then(data => {
         results = data;
       });
       expect(requestOptions.url).toBe('/api/search/lookup');
@@ -63,7 +63,7 @@ describe('opentsdb', () => {
     });
 
     it('tag_values(cpu, test) should generate lookup query', () => {
-      ctx.ctrl.metricFindQuery('tag_values(cpu, hostname, env=$env, region=$region)').then(function(data) {
+      ctx.ctrl.metricFindQuery('tag_values(cpu, hostname, env=$env, region=$region)').then(data => {
         results = data;
       });
       expect(requestOptions.url).toBe('/api/search/lookup');
@@ -71,7 +71,7 @@ describe('opentsdb', () => {
     });
 
     it('suggest_tagk() should generate api suggest query', () => {
-      ctx.ctrl.metricFindQuery('suggest_tagk(foo)').then(function(data) {
+      ctx.ctrl.metricFindQuery('suggest_tagk(foo)').then(data => {
         results = data;
       });
       expect(requestOptions.url).toBe('/api/suggest');
@@ -80,7 +80,7 @@ describe('opentsdb', () => {
     });
 
     it('suggest_tagv() should generate api suggest query', () => {
-      ctx.ctrl.metricFindQuery('suggest_tagv(bar)').then(function(data) {
+      ctx.ctrl.metricFindQuery('suggest_tagv(bar)').then(data => {
         results = data;
       });
       expect(requestOptions.url).toBe('/api/suggest');

public/app/stores/FolderStore/FolderStore.ts

@@ -36,7 +36,7 @@ export const FolderStore = types
       return res;
     }),
 
-    setTitle: function(originalTitle: string, title: string) {
+    setTitle: (originalTitle: string, title: string) => {
       self.folder.title = title;
       self.folder.hasChanged = originalTitle.toLowerCase() !== title.trim().toLowerCase() && title.trim().length > 0;
     },