Needed plugins wysihtml5 bootstrap-wysihtml5

wysihtml5.js

angular.module('directives', [])
    .directive('wysihtml5', ['$timeout', function ($timeout) {

        return {
            restrict: 'A',
            require: 'ngModel',
            link: function ($scope, $element, attrs, ngModel) {

                var element = $($element).wysihtml5({
                    stylesheets: [],
                    link: false,
                    image: false
                });

                var data = element.data('wysihtml5');
                var editor = data.editor;

                // ensure template is renderd
                $timeout(function() {
                    editor.on('change', function () {

                        var newValue = element.val();

                        $scope.$apply(function() {
                            ngModel.$setViewValue(newValue);
                        });
                    });
                }, 500);
            }
        };
    }]
);