Spittal

public updateAvatar(file: File): Observable<any> {
    return Observable.create((observer) => {
      let formData: FormData = new FormData(),
          xhr: XMLHttpRequest = new XMLHttpRequest();


      formData.append('avatar', file, file.name);

      xhr.onreadystatechange = () => {
        if (xhr.readyState === 4) {

Spittal

.directive('disabledIf', disabledIf);

    function disabledIf() {
        return {
            restrict: 'A',
            link: function(scope, element, attrs) {
                var expr = attrs.disabledIf;

                scope.$watch(expr, function(val) {
                    if (val) {