Function comparator

web-src/src/common/utils/common.js:457–472

(a, b)

export function stringComparator(field) {
    const comparator = function (a, b) {
        const objectNullComparison = compareNulls(a, b);
        if (!isNull(objectNullComparison)) {
            return objectNullComparison;
        }

        const value1 = a[field];
        const value2 = b[field];

        const valueNullComparison = compareNulls(a, b);
        if (!isNull(valueNullComparison)) {
            return valueNullComparison;
        }

        return value1.toLowerCase().localeCompare(value2.toLowerCase());
    };

    comparator.andThen = function (anotherComparator) {
        return function (a, b) {