Midwest Component Library v0.24.0

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<div class="p-8">
  <figure class="midwest-chart chart-type-column legend-alignment-center" data-controller="midwest-chart" data-midwest-chart-tooltip-enabled-value="true">
    <svg
      viewBox="0 0 600 320"
      width="600"
      height="320"
      role="img"
      aria-label=""
      class="chart-svg"
      data-midwest-chart-target="svg">
      <title></title>
      <desc>2 series: Series A, Series B; 6 data points</desc>
      <g class="chart-grid" aria-hidden="true">
        <line x1="60.0" y1="284.0"
                  x2="580.0" y2="284.0" />
        <line x1="60.0" y1="218.0"
                  x2="580.0" y2="218.0" />
        <line x1="60.0" y1="152.0"
                  x2="580.0" y2="152.0" />
        <line x1="60.0" y1="86.0"
                  x2="580.0" y2="86.0" />
        <line x1="60.0" y1="20.0"
                  x2="580.0" y2="20.0" />
      </g>
      <g class="chart-axis chart-axis-x" aria-hidden="true">
        <line x1="103.33" y1="284.0"
                  x2="103.33" y2="288.0" />
        <text x="103.33" y="300.0"
                  text-anchor="middle"
                  transform="">
          Jan
        </text>
        <line x1="190.0" y1="284.0"
                  x2="190.0" y2="288.0" />
        <text x="190.0" y="300.0"
                  text-anchor="middle"
                  transform="">
          Feb
        </text>
        <line x1="276.67" y1="284.0"
                  x2="276.67" y2="288.0" />
        <text x="276.67" y="300.0"
                  text-anchor="middle"
                  transform="">
          Mar
        </text>
        <line x1="363.33" y1="284.0"
                  x2="363.33" y2="288.0" />
        <text x="363.33" y="300.0"
                  text-anchor="middle"
                  transform="">
          Apr
        </text>
        <line x1="450.0" y1="284.0"
                  x2="450.0" y2="288.0" />
        <text x="450.0" y="300.0"
                  text-anchor="middle"
                  transform="">
          May
        </text>
        <line x1="536.67" y1="284.0"
                  x2="536.67" y2="288.0" />
        <text x="536.67" y="300.0"
                  text-anchor="middle"
                  transform="">
          Jun
        </text>
      </g>
      <g class="chart-axis chart-axis-y" aria-hidden="true">
        <line x1="56.0" y1="284.0"
                  x2="60.0" y2="284.0" />
        <text x="52.0" y="288.0"
                  text-anchor="end">0</text>
        <line x1="56.0" y1="218.0"
                  x2="60.0" y2="218.0" />
        <text x="52.0" y="222.0"
                  text-anchor="end">20</text>
        <line x1="56.0" y1="152.0"
                  x2="60.0" y2="152.0" />
        <text x="52.0" y="156.0"
                  text-anchor="end">40</text>
        <line x1="56.0" y1="86.0"
                  x2="60.0" y2="86.0" />
        <text x="52.0" y="90.0"
                  text-anchor="end">60</text>
        <line x1="56.0" y1="20.0"
                  x2="60.0" y2="20.0" />
        <text x="52.0" y="24.0"
                  text-anchor="end">80</text>
      </g>
      <g class="chart-bars">
        <g class="chart-series" style="--i: 0">
          <rect x="68.23" y="145.4" width="31.2" height="138.6" fill="var(--theme-6)" data-tooltip-content="Series A: 42" class="chart-bar" tabindex="0" role="img" aria-label="Series A: 42" />
          <rect x="154.9" y="102.5" width="31.2" height="181.5" fill="var(--theme-6)" data-tooltip-content="Series A: 55" class="chart-bar" tabindex="0" role="img" aria-label="Series A: 55" />
          <rect x="241.57" y="158.6" width="31.2" height="125.4" fill="var(--theme-6)" data-tooltip-content="Series A: 38" class="chart-bar" tabindex="0" role="img" aria-label="Series A: 38" />
          <rect x="328.23" y="82.7" width="31.2" height="201.3" fill="var(--theme-6)" data-tooltip-content="Series A: 61" class="chart-bar" tabindex="0" role="img" aria-label="Series A: 61" />
          <rect x="414.9" y="39.8" width="31.2" height="244.2" fill="var(--theme-6)" data-tooltip-content="Series A: 74" class="chart-bar" tabindex="0" role="img" aria-label="Series A: 74" />
          <rect x="501.57" y="102.5" width="31.2" height="181.5" fill="var(--theme-6)" data-tooltip-content="Series A: 55" class="chart-bar" tabindex="0" role="img" aria-label="Series A: 55" />
        </g>
        <g class="chart-series" style="--i: 1">
          <rect x="107.23" y="191.6" width="31.2" height="92.4" fill="var(--complement-6)" data-tooltip-content="Series B: 28" class="chart-bar" tabindex="0" role="img" aria-label="Series B: 28" />
          <rect x="193.9" y="175.1" width="31.2" height="108.9" fill="var(--complement-6)" data-tooltip-content="Series B: 33" class="chart-bar" tabindex="0" role="img" aria-label="Series B: 33" />
          <rect x="280.57" y="135.5" width="31.2" height="148.5" fill="var(--complement-6)" data-tooltip-content="Series B: 45" class="chart-bar" tabindex="0" role="img" aria-label="Series B: 45" />
          <rect x="367.23" y="161.9" width="31.2" height="122.1" fill="var(--complement-6)" data-tooltip-content="Series B: 37" class="chart-bar" tabindex="0" role="img" aria-label="Series B: 37" />
          <rect x="453.9" y="112.4" width="31.2" height="171.6" fill="var(--complement-6)" data-tooltip-content="Series B: 52" class="chart-bar" tabindex="0" role="img" aria-label="Series B: 52" />
          <rect x="540.57" y="125.6" width="31.2" height="158.4" fill="var(--complement-6)" data-tooltip-content="Series B: 48" class="chart-bar" tabindex="0" role="img" aria-label="Series B: 48" />
        </g>
      </g>
    </svg>
    <div id="midwest-chart-73696-tooltip"
           class="midwest-chart-tooltip"
           data-midwest-chart-target="tooltip"
           role="tooltip"></div>
    <ul class="chart-legend" aria-label="Chart legend">
      <li class="chart-legend-item">
        <span class="chart-legend-swatch" style="background: var(--theme-6)"></span>
        Series A
      </li>
      <li class="chart-legend-item">
        <span class="chart-legend-swatch" style="background: var(--complement-6)"></span>
        Series B
      </li>
    </ul>
  </figure>
</div>
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<div class="p-8">
  <% type = params[:horizontal] == true ? :bar : :column %>
  <% axis_key = params[:horizontal] == true ? :y_axis : :x_axis %>
  <%= midwest_chart(
    type,
    title: params[:title].presence,
    animated: params[:animated] == true,
    horizontal: params[:horizontal] == true,
    rounded_corners: params[:rounded_corners]&.to_i,
    bar_padding: params[:bar_padding]&.to_f,
    group_padding: params[:group_padding]&.to_f,
    data_labels: params[:data_labels] == true,
    **{ axis_key => { categories: %w[Jan Feb Mar Apr May Jun] } },
    series: [
      { name: "Series A", data: [42, 55, 38, 61, 74, 55] },
      { name: "Series B", data: [28, 33, 45, 37, 52, 48] }
    ]
  ) %>
</div>

Column Playground

Explore column / bar chart options live.

Param Description Input

Chart title

Animate bars on load

Render as horizontal bar chart

px radius on bar leading edge (0 to disable)

0.0–1.0 gap between bars within a group

0.0–1.0 gap between category groups

Show value labels on bars

No assets to display.
Add a .js or .css file alongside the component to see it here.

Accessibility

Figma embed for Chart/column_playground

Annotate a preview to embed its Figma design here:

@figma "https://figma.com/..."