sure/app/components/DS/category_select.html.erb

<div class="relative"
     data-controller="category-select"
     data-category-select-create-url-value="<%= helpers.categories_path(format: :json) %>"
     data-category-select-default-color-value="<%= Category::COLORS.first %>"
     data-category-select-disabled-value="<%= disabled %>"
     data-category-select-auto-submit-value="<%= auto_submit %>"
     data-category-select-create-label-value="<%= helpers.t("transactions.form.create_category", name: "__CATEGORY_NAME__") %>"
     data-category-select-create-error-message-value="<%= helpers.t("transactions.form.create_category_error") %>"
     data-action="click@window->category-select#handleOutsideClick">

  <div class="form-field">
    <div class="form-field__body">
      <%= form.label :category_id,
                     helpers.t("transactions.form.category"),
                     class: "form-field__label" %>

      <button type="button"
              id="<%= field_id %>"
              class="form-field__input min-h-7 flex items-center gap-2 pr-8"
              data-category-select-target="button"
              data-action="click->category-select#toggle"
              aria-haspopup="listbox"
              aria-expanded="false"
              aria-controls="<%= menu_id %>"
              <%= "disabled" if disabled %>>

        <span data-category-select-target="selectionContainer"
              class="text-secondary">
          <% selected = categories.find { |c| c.id.to_s == selected_id } %>

          <% if selected %>
            <%= render partial: "categories/badge",
                       locals: { category: selected } %>
          <% else %>
            <%= helpers.t("transactions.form.category_prompt") %>
          <% end %>
        </span>
      </button>
    </div>
  </div>

  <input type="hidden"
         name="<%= field_name %>"
         value="<%= selected_id %>"
         data-category-select-target="hiddenInput"
         <%= "disabled" if disabled %>>

  <% unless disabled %>
    <div class="absolute z-50 p-1.5 w-full min-w-48 rounded-lg shadow-lg bg-container mt-1.5 hidden"
         data-category-select-target="menu">

      <%= render DS::SearchInput.new(
        variant: :embedded,
        placeholder: helpers.t("transactions.form.category_search_placeholder"),
        data: {
          category_select_target: "search",
          action: "input->category-select#filter keydown->category-select#handleSearchKeydown"
        }
      ) %>

      <div class="flex flex-col gap-1 max-h-64 overflow-auto mt-1"
           id="<%= menu_id %>"
           role="listbox">

        <% if blank_label.present? %>
          <button type="button"
                  role="option"
                  aria-selected="<%= selected_id.blank? %>"
                  data-category-select-target="option"
                  data-category-id=""
                  data-category-name="<%= blank_label %>"
                  data-category-display-label="<%= blank_label %>"
                  data-action="click->category-select#selectCategory"
                  class="flex items-center gap-2 w-full px-3 py-1.5 text-sm rounded-lg hover:bg-container-inset-hover <%= "bg-container-inset" if selected_id.blank? %>">
            <span class="check-icon w-4 <%= "invisible" unless selected_id.blank? %>">
              <%= helpers.icon("check") %>
            </span>

            <span><%= blank_label %></span>
          </button>
        <% end %>

        <% categories.each do |category| %>
          <%= render partial: "DS/category_select/option",
                     locals: {
                       category: category,
                       selected: category.id.to_s == selected_id,
                       view_helpers: helpers
                     } %>
        <% end %>

        <button type="button"
                class="hidden text-primary text-sm cursor-pointer items-center gap-2 px-3 py-1.5 rounded-lg hover:bg-container-inset-hover"
                data-category-select-target="createForm"
                data-action="click->category-select#createCategory">
          <%= helpers.icon("plus") %>
          <span data-category-select-target="createLabel"></span>
        </button>

        <p class="hidden px-3 py-1 text-xs text-destructive"
           data-category-select-target="createError"></p>
      </div>
    </div>
  <% end %>
</div>