Midwest Component Library v0.24.0

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<div class="p-8">
  <p class="text-sm text-theme-6 mb-3">
    The sentinel row at the bottom of the tbody triggers loading when it
    scrolls near the viewport.  The <code>data-controller="midwest-load-more"</code>
    attribute and its values are rendered by the component automatically.
  </p>
  <div data-controller="midwest-table" class="midwest-table-wrapper">
    <div class="midwest-table-loading-overlay" aria-hidden="true">
      <div class="midwest-loading-icon" role="img" aria-label="Loading" decorative="true">
        <div class="midwest-loading-icon-inner">
          <!-- By Sam Herbert (@sherb), for everyone. More @ http://goo.gl/7AJzbL -->
          <svg viewbox="0 0 120 30" xmlns="http://www.w3.org/2000/svg" fill="currentColor" class="Midwest-LoadingIcon__Svg" focusable="false" aria-hidden="true">
            <circle cx="15" cy="15" r="15">
              <animate attributename="r" from="15" to="15" begin="0s" dur="0.8s" values="15;9;15" calcmode="linear" repeatcount="indefinite"></animate>
              <animate attributename="fill-opacity" from="1" to="1" begin="0s" dur="0.8s" values="1;.5;1" calcmode="linear" repeatcount="indefinite"></animate>
            </circle>
            <circle cx="60" cy="15" r="9" fill-opacity="0.3">
              <animate attributename="r" from="9" to="9" begin="0s" dur="0.8s" values="9;15;9" calcmode="linear" repeatcount="indefinite"></animate>
              <animate attributename="fill-opacity" from="0.5" to="0.5" begin="0s" dur="0.8s" values=".5;1;.5" calcmode="linear" repeatcount="indefinite"></animate>
            </circle>
            <circle cx="105" cy="15" r="15">
              <animate attributename="r" from="15" to="15" begin="0s" dur="0.8s" values="15;9;15" calcmode="linear" repeatcount="indefinite"></animate>
              <animate attributename="fill-opacity" from="1" to="1" begin="0s" dur="0.8s" values="1;.5;1" calcmode="linear" repeatcount="indefinite"></animate>
            </circle>
          </svg>
        </div>
      </div>
    </div>
    <div class="midwest-table-scroll">
      <table class="midwest-table">
        <caption class="sr-only">Team members (page 1 of many)</caption>
        <thead class="midwest-table-head">
          <tr>
            <th scope="col" class="midwest-table-th align-start">
              Name
            </th>
            
            <th scope="col" class="midwest-table-th align-start">
              Role
            </th>
            
            <th scope="col" class="midwest-table-th align-start">
              Status
            </th>
        </tr>
        </thead>
        <tbody class="midwest-table-body" id="preview-infinite-table-body">
          <tr class="midwest-table-row">
            <td class="midwest-table-td align-start">
              Alice Johnson
            </td>
            <td class="midwest-table-td align-start">
              Engineer
            </td>
            <td class="midwest-table-td align-start">
              Active
            </td>
          </tr>
          <tr class="midwest-table-row">
            <td class="midwest-table-td align-start">
              Bob Smith
            </td>
            <td class="midwest-table-td align-start">
              Designer
            </td>
            <td class="midwest-table-td align-start">
              Active
            </td>
          </tr>
          <tr class="midwest-table-row">
            <td class="midwest-table-td align-start">
              Carol White
            </td>
            <td class="midwest-table-td align-start">
              Manager
            </td>
            <td class="midwest-table-td align-start">
              Away
            </td>
          </tr>
          <tr class="midwest-table-row">
            <td class="midwest-table-td align-start">
              David Lee
            </td>
            <td class="midwest-table-td align-start">
              Engineer
            </td>
            <td class="midwest-table-td align-start">
              Inactive
            </td>
          </tr>
          <tr class="midwest-table-row">
            <td class="midwest-table-td align-start">
              Eve Martinez
            </td>
            <td class="midwest-table-td align-start">
              Designer
            </td>
            <td class="midwest-table-td align-start">
              Active
            </td>
          </tr>
          <tr class="midwest-table-sentinel"
                data-controller="midwest-load-more"
                data-midwest-load-more-url-value="#page-2-not-available-in-preview"
                data-midwest-load-more-tbody-id-value="preview-infinite-table-body"
                aria-hidden="true">
            <td colspan="3" class="midwest-table-sentinel-cell"></td>
          </tr>
        </tbody>
      </table>
    </div>
  </div>
  <p class="text-sm text-theme-6 mt-4">
    In a real app, wrap the table in a <code>turbo_frame_tag</code> and use
    <code>pagination_mode :infinite</code> on the presenter — the rest is
    handled automatically by <code>midwest_table_from</code>.
  </p>
</div>
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<%
  row_class = Struct.new(:id, :name, :role, :status, keyword_init: true)
  # First "page" of rows — in production these come from the presenter's
  # paginated collection.
  rows = [
    row_class.new(id: 1, name: 'Alice Johnson', role: 'Engineer',  status: 'Active'),
    row_class.new(id: 2, name: 'Bob Smith',     role: 'Designer',  status: 'Active'),
    row_class.new(id: 3, name: 'Carol White',   role: 'Manager',   status: 'Away'),
    row_class.new(id: 4, name: 'David Lee',     role: 'Engineer',  status: 'Inactive'),
    row_class.new(id: 5, name: 'Eve Martinez',  role: 'Designer',  status: 'Active'),
  ]
  # The tbody DOM id and next-page URL are normally supplied by
  # `midwest_table_from` when `pagination_mode :infinite` is set on the
  # presenter.  We wire them directly here to keep the preview self-contained.
  tbody_id            = 'preview-infinite-table-body'
  infinite_scroll_url = '#page-2-not-available-in-preview'
%>
<div class="p-8">
  <p class="text-sm text-theme-6 mb-3">
    The sentinel row at the bottom of the tbody triggers loading when it
    scrolls near the viewport.  The <code>data-controller="midwest-load-more"</code>
    attribute and its values are rendered by the component automatically.
  </p>
  <%= midwest_table(
        collection:          rows,
        tbody_id:            tbody_id,
        infinite_scroll_url: infinite_scroll_url,
        caption:             'Team members (page 1 of many)'
      ) do |t| %>
    <% t.with_column('Name',   key: :name) %>
    <% t.with_column('Role',   key: :role) %>
    <% t.with_column('Status', key: :status) %>
  <% end %>
  <p class="text-sm text-theme-6 mt-4">
    In a real app, wrap the table in a <code>turbo_frame_tag</code> and use
    <code>pagination_mode :infinite</code> on the presenter — the rest is
    handled automatically by <code>midwest_table_from</code>.
  </p>
</div>

With Infinite Scroll

Set pagination_mode :infinite on the presenter (or pass tbody_id: and infinite_scroll_url: directly) to replace the pagination footer with an IntersectionObserver sentinel. When the sentinel row scrolls near the viewport the controller fetches the next page and appends its rows directly into the tbody — no full-frame reload needed.

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Figma embed for Table/with_infinite_scroll

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