Functional directives TS

app/assets/javascripts/directives/functional/selectOnClick.ts

@@ -0,0 +1,15 @@
+/* @ngInject */
+export function selectOnClick($window: ng.IWindowService) {
+  return {
+    restrict: 'A',
+    link: function(scope: ng.IScope, element: JQLite) {
+      element.on('focus', function() {
+        if (!$window.getSelection()!.toString()) {
+          const input = element as any;
+          /** Required for mobile Safari */
+          input.setSelectionRange(0, input.value.length);
+        }
+      });
+    }
+  };
+}