openpanel/packages/nestjsx-crud/src/utils/transformErrorMessages.ts

type TransformedErrors = {
    [key: string]: string[];
};

export const transformErrorMessages = (
    errorMessages: string[],
): TransformedErrors => {
    const transformedErrors: TransformedErrors = {};

    for (const errorMessage of errorMessages) {
        const separatorIndex = errorMessage.indexOf(" ");
        const field = errorMessage.substring(0, separatorIndex);

        if (transformedErrors[field]) {
            transformedErrors[field].push(errorMessage);
        } else {
            transformedErrors[field] = [errorMessage];
        }
    }

    return transformedErrors;
};