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* @file useInventoryColumns.ts
* @module pages/inventory/hooks/useInventoryColumns
*
* @summary
* Column definitions and formatting for inventory DataGrid.
* Extracted from useInventoryData for single responsibility.
*
* @enterprise
* - Memoized column definitions with proper formatting
* - Handles multiple field name variations from backend
* - Number and date formatting via user preferences
*/
import * as React from 'react';
import type { GridColDef } from '@mui/x-data-grid';
import { useTranslation } from 'react-i18next';
import { useSettings } from '../../../hooks/useSettings';
import { formatDate, formatNumber } from '../../../utils/formatters';
import type { InventoryRow } from '../../../api/inventory/types';
/**
* Hook to generate inventory DataGrid column definitions.
*
* @returns Column definitions with formatters and value getters
*/
export const useInventoryColumns = (): GridColDef[] => {
const { t } = useTranslation(['common', 'inventory']);
const { userPreferences } = useSettings();
return React.useMemo<GridColDef[]>(() => {
return [
{
field: 'name',
headerName: t('inventory:table.name', 'Item'),
flex: 1,
minWidth: 180,
},
{
field: 'code',
headerName: t('inventory:table.code', 'Code / SKU'),
width: 140,
valueGetter: (_value: unknown, row: InventoryRow | null) => row?.code ?? '—',
},
{
field: 'onHand',
headerName: t('inventory:table.onHand', 'On-hand'),
type: 'number',
width: 140,
valueGetter: (_value: unknown, row: (InventoryRow & { quantity?: number | null }) | null) => {
if (!row) return 0;
const fromNormalized =
typeof row.onHand === 'number' && Number.isFinite(row.onHand)
? row.onHand
: undefined;
const fromBackend =
typeof row.quantity === 'number' && Number.isFinite(row.quantity)
? row.quantity
: undefined;
return fromNormalized ?? fromBackend ?? 0;
},
valueFormatter: (value: unknown) => {
const numeric =
typeof value === 'number' && Number.isFinite(value) ? value : 0;
return formatNumber(numeric, userPreferences.numberFormat);
},
},
{
field: 'minQty',
headerName: t('inventory:table.minQty', 'Min. Qty'),
type: 'number',
width: 140,
valueGetter: (_value: unknown, row: (InventoryRow & { minimumQuantity?: number | string | null }) | null) => {
if (!row) return 0;
const raw = row.minQty ?? row.minimumQuantity ?? 0;
if (typeof raw === 'number' && Number.isFinite(raw)) return raw;
if (typeof raw === 'string' && raw.trim() !== '') {
const parsed = Number(raw);
return Number.isFinite(parsed) ? parsed : 0;
}
return 0;
},
valueFormatter: (value: unknown) => {
const numeric =
typeof value === 'number'
? value
: typeof value === 'string' && value.trim() !== ''
? Number(value)
: 0;
return formatNumber(
Number.isFinite(numeric) ? numeric : 0,
userPreferences.numberFormat,
);
},
},
{
field: 'updatedAt',
headerName: t('inventory:table.updated', 'Updated'),
width: 190,
valueGetter: (_value: unknown, row: (InventoryRow & { createdAt?: string | null; created_at?: string | null }) | null) => {
if (!row) return null;
return row.updatedAt ?? row.createdAt ?? row.created_at ?? null;
},
valueFormatter: (value: unknown) => {
if (value === null || value === undefined || value === '') {
return '—';
}
const str = String(value);
const date = new Date(str);
if (Number.isNaN(date.getTime())) {
return '—';
}
try {
return formatDate(date, userPreferences.dateFormat);
} catch {
return '—';
}
},
},
];
}, [t, userPreferences.numberFormat, userPreferences.dateFormat]);
};
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