Function createFilterComparator

src/data/helper/dataValueHelper.ts:260–269

(
    op: string,
    rval?: unknown
)

 * @return If `op` is not `RelationalOperator`, return null;
 */
export function createFilterComparator(
    op: string,
    rval?: unknown
): FilterComparator {
    return (op === 'eq' || op === 'ne')
        ? new FilterEqualityComparator(op === 'eq', rval)
        : hasOwn(ORDER_COMPARISON_OP_MAP, op)
        ? new FilterOrderComparator(op as OrderRelationOperator, rval)
        : null;
}

// --------- END: Data transformattion filters ---------