No, and it's very unlikely to ever exist. There's some discussion before which I can't find, but the gist of it is that WYSIWYG is very hard to implement, WYSIWYG + source editing is even harder, and power-users prefer source editing.

If you want a reference to the scope of such a project, visit https://phabricator.wikimedia.org/tag/visualeditor/, filter for "all tasks", and wait for it to load.