Simple client side error logging(metric.io)

    window.angular.module('yourApp', []).

    // <…>

    factory('$exceptionHandler', [
      '$log',
      function ($log) {
        return function (exception, cause) {
          // Log to console
          $log.error.apply($log, arguments);

          // Show to user
          var msg = sprintf("Error: %s", exception.message);
          if (cause) { msg = sprintf("%s. %s", msg, cause); }
          window.Messenger().post({
            type: 'error',
            hideAfter: 0,
            showCloseButton: true,
            message: msg
          });
        };
      }
    ]);