Fix no-var warnings

src/lib/blocks.js

@@ -36,10 +36,10 @@ module.exports = function (vm) {
     const backdropsMenu = function () {
         return vm.runtime.targets[0].sprite.costumes.map(costume => [costume.name, costume.name]);
     };
-    
+
     const spriteMenu = function () {
-        var sprites = [];
-        for (var targetId in vm.runtime.targets) {
+        const sprites = [];
+        for (const targetId in vm.runtime.targets) {
             if (!vm.runtime.targets.hasOwnProperty(targetId)) continue;
             if (vm.runtime.targets[targetId].isOriginal) {
                 if (!vm.runtime.targets[targetId].isStage) {
@@ -56,11 +56,11 @@ module.exports = function (vm) {
     const soundColors = ScratchBlocks.Colours.sounds;
 
     const looksColors = ScratchBlocks.Colours.looks;
-    
+
     const motionColors = ScratchBlocks.Colours.motion;
-    
+
     const sensingColors = ScratchBlocks.Colours.sensing;
-    
+
     const controlColors = ScratchBlocks.Colours.control;
 
     ScratchBlocks.Blocks.sound_sounds_menu.init = function () {
@@ -77,14 +77,14 @@ module.exports = function (vm) {
         const json = jsonForMenuBlock('BACKDROP', backdropsMenu, looksColors, []);
         this.jsonInit(json);
     };
-    
+
     ScratchBlocks.Blocks.motion_pointtowards_menu.init = function () {
         const json = jsonForMenuBlock('TOWARDS', spriteMenu, motionColors, [
             ['mouse-pointer', '_mouse_']
         ]);
         this.jsonInit(json);
     };
-    
+
     ScratchBlocks.Blocks.motion_goto_menu.init = function () {
         const json = jsonForMenuBlock('TO', spriteMenu, motionColors, [
             ['mouse-pointer', '_mouse_'],
@@ -92,28 +92,28 @@ module.exports = function (vm) {
         ]);
         this.jsonInit(json);
     };
-    
+
     ScratchBlocks.Blocks.sensing_of_object_menu.init = function () {
         const json = jsonForMenuBlock('OBJECT', spriteMenu, sensingColors, [
             ['Stage', '_stage_']
         ]);
         this.jsonInit(json);
     };
-    
+
     ScratchBlocks.Blocks.sensing_videoonmenutwo.init = function () {
         const json = jsonForMenuBlock('VIDEOONMENU2', spriteMenu, sensingColors, [
             ['stage', 'STAGE']
         ]);
         this.jsonInit(json);
     };
-    
+
     ScratchBlocks.Blocks.sensing_distancetomenu.init = function () {
         const json = jsonForMenuBlock('DISTANCETOMENU', spriteMenu, sensingColors, [
             ['mouse-pointer', '_mouse_']
         ]);
         this.jsonInit(json);
     };
-    
+
     ScratchBlocks.Blocks.sensing_touchingobjectmenu.init = function () {
         const json = jsonForMenuBlock('TOUCHINGOBJECTMENU', spriteMenu, sensingColors, [
             ['mouse-pointer', '_mouse_'],
@@ -121,7 +121,7 @@ module.exports = function (vm) {
         ]);
         this.jsonInit(json);
     };
-    
+
     ScratchBlocks.Blocks.control_create_clone_of_menu.init = function () {
         const json = jsonForMenuBlock('CLONE_OPTION', spriteMenu, controlColors, [
             ['myself', '_myself_']