如何使用Rails和JavaScript使一个字段仅在选择一个选项时显示？

<%= form_for @model do |f| %>
  <%= f.label :option %>
  <%= f.select :option, options_for_select([['Option 1', 'option1'], ['Option 2', 'option2']]) %>

  <div id="field-to-show">
    <%= f.label :field %>
    <%= f.text_field :field %>
  </div>
<% end %>

document.addEventListener('DOMContentLoaded', function() {
  var optionSelect = document.getElementById('model_option');

  optionSelect.addEventListener('change', function() {
    var selectedOption = optionSelect.value;
    var fieldToShow = document.getElementById('field-to-show');

    if (selectedOption === 'option1') {
      fieldToShow.style.display = 'block';
    } else {
      fieldToShow.style.display = 'none';
    }
  });
});