w3nl / array-helpers

module.exports = function diff(currentArray, otherArray, total) {

    const differenceArray = currentArray.filter(

        (value) => otherArray.indexOf(value) < 0

    );

    let differenceArrayB = [];

    if (total) {

        differenceArrayB = otherArray.filter(

            (value) => currentArray.indexOf(value) < 0

        );

    }

    return differenceArray.concat(differenceArrayB);

};