Locales, and it mirrors

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

<div id="app"></div>

<script type="module">
  import React from 'https://esm.sh/react@18';
  import { createRoot } from 'https://esm.sh/react-dom@18/client';
  import { createGrid } from 'https://cdn.jsdelivr.net/npm/@toclocoinc/lattice-grid@1.28.0/lattice-grid.esm.min.js';
  import createLatticeGrid from 'https://cdn.jsdelivr.net/npm/@toclocoinc/lattice-grid@1.28.0/modules/react.esm.min.js';

  const LatticeGrid = createLatticeGrid({ React, createGrid });

  // The same grid and the same rows in three locales. Only the chrome and the
  // formatting change: numbers, currency and dates read the grid's locale, and
  // Arabic sets direction 'rtl', which mirrors the whole grid, pin and all.
  const locales = {
    English:  { locale: 'en-GB', direction: 'ltr', currency: 'GBP', titles: ['Product', 'Price', 'Updated', 'Share'] },
    日本語:    { locale: 'ja-JP', direction: 'ltr', currency: 'JPY', titles: ['製品', '価格', '更新日', 'シェア'] },
    العربية:  { locale: 'ar-EG', direction: 'rtl', currency: 'EGP', titles: ['المنتج', 'السعر', 'تاريخ التحديث', 'الحصة'] },
  };

  const rows = [/* e.g. [{ id: 1, product: 'Desk lamp', price: 42.5, updated: '2026-08-01', share: 0.18 }, ...] */];

  function App() {
    // One locale prop selects the language. Swap the value and the grid restyles
    // in place, keeping its data, sort and selection.
    const [name, setName] = React.useState('English');
    const L = locales[name];

    const columns = [
      { field: 'product', title: L.titles[0], layout: { pin: 'start', width: 180 } },
      { field: 'price', title: L.titles[1], type: 'number', format: { style: 'currency', currency: L.currency }, total: 'sum' },
      { field: 'updated', title: L.titles[2], type: 'date' },
      { field: 'share', title: L.titles[3], type: 'number', format: { style: 'percent' } },
    ];

    return (
      <>
        <div style={{ display: 'flex', gap: '8px', marginBottom: '12px' }}>
          {Object.keys(locales).map((n) => (
            <button key={n} onClick={() => setName(n)} aria-pressed={n === name}>{n}</button>
          ))}
        </div>
        <LatticeGrid
          rowKey="id"
          locale={L.locale}
          direction={L.direction}
          columns={columns}
          rows={rows}
          style={{ height: '460px' }}
        />
      </>
    );
  }

  createRoot(document.getElementById('app')).render(<App />);
</script>