ng-alertify/ng-alertify.js

AngularJS wrapper around alertify popup library

// mock AngularJS proxy to window.alertify
(function (angular, alertify) {

  angular.module('Alertify', [])
    // need name that does not clash with other libraries / modules
    .constant('meta', {
      name: '%%name%%',
      description: '%%description%%',
      version: '%%version%%',
      author: '%%author%%'
    })
    .factory('Alertify', ['$q', function ($q) {

      if (typeof alertify === 'undefined') {
        throw new Error('Missing alertify object');
      }

      var alertifyProxy = Object.create(alertify);

      function anyToString(x) {
        if (typeof x === 'string') {
          return x;
        }
        if (x instanceof Error) {
          return x.message;
        }
        return JSON.stringify(x, null, 2);
      }

      function newlineToBreak(x) {
        return typeof x === 'string' ? x.replace(/\n/g, '<br>') : x;
      }

      // make sure the newlines are formatted in the output html
      var messageMethods = ['log', 'error', 'success', 'alert'];

      // overwrite .log(), .error(), and other simple popups
      messageMethods.forEach(function (name) {
        alertifyProxy[name] = function () {
          var args = Array.prototype.slice.call(arguments, 0);
          var strings = args.map(anyToString).map(newlineToBreak);
          return alertify[name].call(alertify, strings.join(' '));
        };
      });

      // transform .confirm(message) into promise-returning method
      alertifyProxy.confirm = function (message, cssClass) {
        var defer = $q.defer();
        alertify.confirm(message, function (answer) {
          if (answer) {
            defer.resolve(answer);
          } else {
            defer.reject(answer);
          }
        }, cssClass);
        return defer.promise;
      };

      // transform .prompt(message) into promise-returning method
      alertifyProxy.prompt = function (message, defaultValue, cssClass) {
        var defer = $q.defer();
        alertify.prompt(message, function (yes, answer) {
          if (yes) {
            defer.resolve(answer);
          } else {
            defer.reject();
          }
        }, defaultValue, cssClass);
        return defer.promise;
      };

      return alertifyProxy;
    }]);
}(window.angular, window.alertify));