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✏️ Editing: summernote-ext-hello.js

// ui has renders to build ui elements.
      //  - you can create a button with `ui.button`
      var ui = $.summernote.ui;

// add hello button
      context.memo('button.hello', function() {
        // create button
        var button = ui.button({
          contents: '<i class="fa fa-child"/> Hello',
          tooltip: 'hello',
          click: function() {
            self.$panel.show();
            self.$panel.hide(500);
            // invoke insertText method with 'hello' on editor module.
            context.invoke('editor.insertText', 'hello');
          },
        });

// create jQuery object from button instance.
        var $hello = button.render();
        return $hello;
      });

// This events will be attached when editor is initialized.
      this.events = {
        // This will be called after modules are initialized.
        'summernote.init': function(we, e) {
          // eslint-disable-next-line
          console.log('summernote initialized', we, e);
        },
        // This will be called when user releases a key on editable.
        'summernote.keyup': function(we, e) {
          // eslint-disable-next-line
          console.log('summernote keyup', we, e);
        },
      };

// This method will be called when editor is initialized by $('..').summernote();
      // You can create elements for plugin
      this.initialize = function() {
        this.$panel = $('<div class="hello-panel"/>').css({
          position: 'absolute',
          width: 100,
          height: 100,
          left: '50%',
          top: '50%',
          background: 'red',
        }).hide();

this.$panel.appendTo('body');
      };

// This methods will be called when editor is destroyed by $('..').summernote('destroy');
      // You should remove elements on `initialize`.
      this.destroy = function() {
        this.$panel.remove();
        this.$panel = null;
      };
    },
  });
}));

MR SKB