Candlestick

<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/@toclocoinc/lattice-grid@1.27.0/lattice-grid.min.css">
<style>
  #chart { height: 320px; }
  #grid { margin-top: 14px; }
  #grid > div { height: 320px; }
</style>
<div id="app"></div>

<script type="module">
  import * as Vue from 'https://esm.sh/vue@3';
  import { createGrid } from 'https://cdn.jsdelivr.net/npm/@toclocoinc/lattice-grid@1.27.0/lattice-grid.esm.min.js';
  import createLatticeGrid from 'https://cdn.jsdelivr.net/npm/@toclocoinc/lattice-grid@1.27.0/modules/vue.esm.min.js';
  import { createChart } from 'https://cdn.jsdelivr.net/npm/@toclocoinc/lattice-grid@1.27.0/modules/charts.esm.min.js';

  const LatticeGrid = createLatticeGrid({ vue: Vue, createGrid });

  Vue.createApp({
    components: { LatticeGrid },
    data() {
      return {
        config: {
          rowKey: 'id',
          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 } },
          ],
          rows,  // e.g. [{ id: 1, day: '2026-01-02', open: 100, high: 101.2, low: 99.3, close: 100.8 }, …]
        },
      };
    },
    mounted() {
      // The component exposes the live grid via a template ref, which the chart draws from.
      const grid = this.$refs.grid.grid();
      // Candlestick takes four measures, in open, high, low, close order.
      createChart({ grid, container: '#chart', type: 'candlestick', x: 'day',
        measures: [{ col: 'open' }, { col: 'high' }, { col: 'low' }, { col: 'close' }] });
    },
    template: `
      <div id="chart"></div>
      <div id="grid"><lattice-grid ref="grid" v-bind="config" /></div>
    `,
  }).mount('#app');
</script>