Function getVisibleUniqueValues

getVisibleUniqueValues<TData>(
column: Column<TData, unknown>,
table: Table<TData>,
): (string | number)[]

Gets a sorted unique list of values for a column from visible rows. Only returns the visible values (e.g., if another filter has been applied, the filtered out results won't be included here).

Type Parameters

TData

Parameters

column: Column<TData, unknown>
The column to get values from
table: Table<TData>
The table instance

Returns (string | number)[]

A sorted array of unique values

Source

export function getVisibleUniqueValues<TData>(
  column: Column<TData, unknown>,
  table: Table<TData>,
): (string | number)[] {
  const values = new Set<string | number>();

  table.getRowModel().rows.forEach((row) => {
    const value = row.getValue(column.id);
    if (value !== undefined && value !== null) values.add(value as string | number);
  });

  return Array.from(values).sort((a, b) => {
    if (typeof a === "number" && typeof b === "number") return a - b;
    return String(a).localeCompare(String(b));
  });
}