export interface ExcelError { type: string; value: any; error: string; reason: string; row: number; column: string; } export const errorsByRows = (errors: ExcelError[] ) => { return errors.reduce((acc, error) => { if (!acc[error.row]) { acc[error.row] = { required: [], other: [] }; } if (error.error === 'required') { acc[error.row].required.push(error.column); } else { acc[error.row].other.push(error); } return acc; }, {} as Record); }