edit wiki page

<%= form_with(model: @node, local: true) do |form| %>

<%= form.label :title %>
<%= form.text_field :title %>

<%= form.label :content %>
<%= form.text_area :content %>

<%= form.collection_select :parent, @nodes, :id, :title, include_blank: true, :selected => @node&.parent&.id %>

<%= form.submit %>

<% end %> <% link_to 'Back', nodes_path %>