Configuring a type

<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/@toclocoinc/lattice-grid@1.28.0/lattice-grid.min.css">

<script type="module">
  import { defineLatticeGrid } from 'https://cdn.jsdelivr.net/npm/@toclocoinc/lattice-grid@1.28.0/modules/webcomponent.esm.js';
  defineLatticeGrid();
</script>

<lattice-grid row-key="id" style="display: block; height: 460px"></lattice-grid>

<script type="module">
  import { createUnitType } from 'https://cdn.jsdelivr.net/npm/@toclocoinc/lattice-grid@1.28.0/modules/webcomponent.esm.js';

  // The same field stored in metres, shown four ways. The stored value never
  // changes; only the display does. The unit type comes from the element's own
  // module so its columns recognise it.
  const dataTypes = {
    spanAuto: createUnitType({ system: 'length', unit: 'm', display: 'auto' }),
    spanMm:   createUnitType({ system: 'length', unit: 'm', display: 'mm' }),
    spanKm:   createUnitType({ system: 'length', unit: 'm', display: 'km', decimals: 3 }),
    spanSig:  createUnitType({ system: 'length', unit: 'm', display: 'auto', significantFigures: 3 }),
  };

  const grid = document.querySelector('lattice-grid');
  grid.config = {
    dataTypes,
    columns: [
      { field: 'run', title: 'Run', layout: { pin: 'start', width: 120 } },
      { field: 'span', id: 'stored', title: 'Stored (m)', type: 'number' },
      { field: 'span', id: 'auto', title: "display: 'auto'", type: 'spanAuto' },
      { field: 'span', id: 'mm', title: "display: 'mm'", type: 'spanMm' },
      { field: 'span', id: 'km', title: "display: 'km'", type: 'spanKm' },
      { field: 'span', id: 'sig', title: '3 sig figs', type: 'spanSig' },
    ],
  };
  grid.rows = rows;
</script>