React Table Accessor -

const columns = [ header: 'First Name', accessorKey: 'firstName', // Matches data.firstName , header: 'City', accessorKey: 'address.city', // Matches data.address.city ]; Use code with caution. Copied to clipboard 2. Function Accessors (accessorFn)

];

];

Without an accessor, the table knows where to put a column visually, but it doesn't know what data belongs inside it.

Responsible for the visual rendering . Use this to wrap your value in a component (like a badge, button, or link) while keeping the raw data in the accessor. Common Pitfalls `accessor` is not required · Issue #1927 · TanStack/table react table accessor

Header: "Age Group", accessor: (row) => const age = new Date().getFullYear() - new Date(row.birthDate).getFullYear(); return age < 18 ? "Minor" : "Adult";

header: 'First Name', accessorKey: 'firstName', // Looks for row.firstName , const columns = [ header: 'First Name', accessorKey:

Header: "Full Name", id: "full", accessor: row => $row.firstName $row.lastName