nested-values.js

export function getNestedValue(key, object) {
    return key.split('.').reduce((previous, current) => {
        return previous[current];
    }, object);
}

export function setNestedValue(key, value, object) {
    const compound = key.split('.');
    return compound.reduce((previous, current, index) => {
        if (index === compound.length - 1) {
            previous[current] = value;
            return object;
        }

        return previous[current];
    }, object);
}