Prevent input from setting form $dirty angularjs

Question

I have an ng form on a page. Inside the form I have several controls which need to display a save dialog when the form is dirty, ie form.$dirty = true. However there are some na

Answer 1

A variation on @overthink's answer with some additional validation, and inline bracket notation to protect against minification.

"use strict";

angular.module("lantern").directive("noDirtyCheck", [function () {
    return {
        restrict: "A",
        require: "ngModel",
        link: function (scope, elem, attrs, ngModelCtrl) {
            if (!ngModelCtrl) {
                return;
            }

            var clean = (ngModelCtrl.$pristine && !ngModelCtrl.$dirty);

            if (clean) {
                ngModelCtrl.$pristine = false;
                ngModelCtrl.$dirty = true;
            }
        }
    };
}]);