Use TypeScript

types/dashtab/index.d.ts

@@ -0,0 +1,8 @@
+import Ember from 'ember';
+
+declare global {
+  interface Array<T> extends Ember.ArrayPrototypeExtensions<T> {}
+  // interface Function extends Ember.FunctionPrototypeExtensions {}
+}
+
+export {};

types/ember-data/types/registries/model.d.ts

@@ -0,0 +1,6 @@
+/**
+ * Catch-all for ember-data.
+ */
+export default interface ModelRegistry {
+  [key: string]: any;
+}

types/global.d.ts

@@ -0,0 +1,6 @@
+// Types for compiled templates
+declare module 'dashtab/templates/*' {
+  import { TemplateFactory } from 'htmlbars-inline-precompile';
+  const tmpl: TemplateFactory;
+  export default tmpl;
+}