Confirm delete

confirm.html.erb

<%= form_tag @item, method: :delete do |f| %>
    <%= label_tag :name, "Type the item's name to delete" %>
    <%= text_field_tag :name, nil, 
        data: { name: @item.name }, autocomplete: 'off' %>

    <%= submit_tag "Delete Item", disabled: true %>
<% end %>

confirm.js.coffee

document.getElementById('name').addEventListener 'input', ->
  @form.commit.disabled = @value isnt @dataset.name

items_controller.rb

class ItemsController < ApplicationController
  def destroy
    @item = Item.find(params[:id])
    @item.destroy if @item.name == params[:name]
    
    redirect_to @item.destroyed? ? items_url : @item
  end
end