Mekko

const config: GraphConfig = {
  type: 'mekko',
  data: {
    columns: [
      { key: 'region', label: 'Region' },
      { key: 'product_a', label: 'Product A' },
      { key: 'product_b', label: 'Product B' },
      { key: 'product_c', label: 'Product C' },
    ],
    rows: [
      { region: 'North America', product_a: 120, product_b: 80, product_c: 50 },
      { region: 'Europe', product_a: 90, product_b: 110, product_c: 40 },
      { region: 'Asia Pacific', product_a: 200, product_b: 150, product_c: 100 },
      { region: 'Latin America', product_a: 40, product_b: 30, product_c: 20 },
    ],
  },
};