Candlestick

<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/@toclocoinc/lattice-grid@1.27.0/lattice-grid.min.css">

<script type="module">
  import { defineLatticeGrid } from 'https://cdn.jsdelivr.net/npm/@toclocoinc/lattice-grid@1.27.0/modules/webcomponent.esm.js';
  defineLatticeGrid();
</script>

<div id="chart" style="height: 320px"></div>
<lattice-grid row-key="id" style="display: block; height: 320px; margin-top: 14px"></lattice-grid>

<script type="module">
  import { createChart } from 'https://cdn.jsdelivr.net/npm/@toclocoinc/lattice-grid@1.27.0/modules/charts.esm.min.js';

  const el = document.querySelector('lattice-grid');
  el.config = {
    columns: [
      { field: 'day', title: 'Day', type: 'date', layout: { width: 120 } },
      { field: 'open',  title: 'Open',  type: 'number', format: { decimals: 2 } },
      { field: 'high',  title: 'High',  type: 'number', format: { decimals: 2 } },
      { field: 'low',   title: 'Low',   type: 'number', format: { decimals: 2 } },
      { field: 'close', title: 'Close', type: 'number', format: { decimals: 2 } },
    ],
  };
  el.rows = rows;  // e.g. [{ id: 1, day: '2026-01-02', open: 100, high: 101.2, low: 99.3, close: 100.8 }, ...]

  // Candlestick takes four measures, in open, high, low, close order. The chart
  // reads el.grid, the live grid inside the element.
  createChart({ grid: el.grid, container: '#chart', type: 'candlestick', x: 'day',
    measures: [{ col: 'open' }, { col: 'high' }, { col: 'low' }, { col: 'close' }] });
</script>