Use VueJS resource

app/assets/javascripts/line_comments/application.js.coffee

 #= require vue
+#= require vue-resource
 #= require_directory ./stores
 #= require_directory ./services
 #= require_directory ./components

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

@@ -3,7 +3,7 @@
     comments: CommentsStore.state
     loading: false
   props:
-    endpoint: String
+    namespace: String
   computed:
     resolved: ->
       resolvedCount = 0
@@ -22,8 +22,6 @@
       this.loading = true
 
       ResolveService
-        .resolveAll(this.endpoint, ids, !this.allResolved)
-        .done =>
-          CommentsStore.updateAll(!this.allResolved)
-        .always =>
+        .resolveAll(this.namespace, ids, !this.allResolved)
+        .then =>
           this.loading = false

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

@@ -2,7 +2,7 @@
   props:
     noteId: Number
     resolved: Boolean
-    endpoint: String
+    namespace: String
   data: ->
     comments: CommentsStore.state
     loading: false
@@ -18,13 +18,10 @@
     resolve: ->
       this.loading = true
       ResolveService
-        .resolve(this.endpoint, !this.isResolved)
-        .done =>
-          CommentsStore.update(this.noteId, !this.isResolved)
-
-          this.$nextTick this.updateTooltip
-        .always =>
+        .resolve(this.namespace, this.noteId, !this.isResolved)
+        .then =>
           this.loading = false
+          this.$nextTick this.updateTooltip
   compiled: ->
     $(this.$els.button).tooltip()
   destroyed: ->

app/assets/javascripts/line_comments/services/resolve.js.coffee

-@ResolveService =
-  resolve: (endpoint, resolve) ->
-    $.ajax
-      data:
-        resolved: resolve
-      type: 'post'
-      url: endpoint
-  resolveAll: (endpoint, ids, resolve) ->
-    $.ajax
-      data:
-        id: ids
-        resolve: resolve
-      type: 'post'
-      url: endpoint
+class ResolveService
+  constructor: ->
+    actions = {
+      resolve:
+        method: 'POST'
+        url: 'notes{/id}/resolve'
+      all:
+        method: 'POST'
+        url: 'notes/resolve_all'
+    }
+
+    Vue.http.headers.common['X-CSRF-Token'] = $.rails.csrfToken()
+    @resource = Vue.resource('notes{/id}', {}, actions)
+
+  resolve: (namespace, id, resolve) ->
+    Vue.http.options.root = "/#{namespace}"
+    @resource
+      .resolve({ id: id }, { resolved: resolve })
+      .then (response) ->
+        if response.status is 200
+          CommentsStore.update(id, resolve)
+
+  resolveAll: (namespace, ids, resolve) ->
+    Vue.http.options.root = "/#{namespace}"
+    @resource
+      .all({}, { ids: ids, resolve: resolve })
+      .then (response) ->
+        CommentsStore.updateAll(resolve)
+
+$ ->
+  @ResolveService = new ResolveService()

app/views/projects/merge_requests/_show.html.haml

@@ -46,7 +46,7 @@
 
     - if current_user
       #resolve-all-app{ "v-cloak" => true }
-        %resolve-all{ ":endpoint" => "'#{resolve_all_namespace_project_notes_path(@project.namespace, @project)}'", "inline-template" => true }
+        %resolve-all{ ":namespace" => "'#{@project.namespace.path}/#{@project.path}'", "inline-template" => true }
           .line-resolve-all{ "v-show" => "commentsCount > 0" }
             %button.btn.btn-gray{ type: "button", "aria-label" => "Resolve all", "@click" => "updateAll", ":disabled" => "loading" }
               = icon("spinner spin", "v-show" => "loading")

app/views/projects/notes/_note.html.haml

@@ -21,7 +21,7 @@
           - if access and not note.system
             %span.note-role.hidden-xs= access
           - if !note.system && current_user
-            %resolve-btn{ ":endpoint" => "'#{resolve_namespace_project_note_path(note.project.namespace, note.project, note)}'", ":note-id" => note.id, ":resolved" => "false", "inline-template" => true, "v-ref:note_#{note.id}" => true }
+            %resolve-btn{ ":namespace" => "'#{note.project.namespace.path}/#{note.project.path}'", ":note-id" => note.id, ":resolved" => "false", "inline-template" => true, "v-ref:note_#{note.id}" => true }
               .note-action-button
                 = icon("spin spinner", "v-show" => "loading")
                 %button.line-resolve-btn{ type: "button", ":class" => "{ 'is-active': isResolved }", ":aria-label" => "buttonText", "@click" => "resolve", ":title" => "buttonText", "v-show" => "!loading", "v-el:button" => true }