Assigns to variable rather than using VueJS method

app/assets/javascripts/line_comments/components/resolve_all.js.coffee

@@ -19,11 +19,11 @@
   methods:
     updateAll: ->
       ids = CommentsStore.getAllForState(this.allResolved)
-      this.$set('loading', true)
+      this.loading = true
 
       ResolveService
         .resolveAll(this.endpoint, ids, !this.allResolved)
         .done =>
           CommentsStore.updateAll(!this.allResolved)
         .always =>
-          this.$set('loading', false)
+          this.loading = false

app/assets/javascripts/line_comments/components/resolve_btn.js.coffee

@@ -16,16 +16,15 @@
         .tooltip('hide')
         .tooltip('fixTitle')
     resolve: ->
-      this.$set('loading', true)
+      this.loading = true
       ResolveService
         .resolve(this.endpoint, !this.isResolved)
         .done =>
-          this.$set('loading', false)
           CommentsStore.update(this.noteId, !this.isResolved)
 
           this.$nextTick this.updateTooltip
         .always =>
-          this.$set('loading', false)
+          this.loading = false
   compiled: ->
     $(this.$els.button).tooltip()
   destroyed: ->

app/controllers/projects/notes_controller.rb

@@ -68,12 +68,12 @@ class Projects::NotesController < Projects::ApplicationController
 
   def resolve
     sleep 2
-    render nothing: true, status: 200
+    head :ok
   end
 
   def resolve_all
     sleep 2
-    render nothing: true, status: 200
+    head :ok
   end
 
   private