Set nested object properties using dot notation with value

setNested.js

/*
* Set nested object properties using dot notation with value
* */

const setNested = (obj, path, val) => {
    const keys = path.split('.');
    const lastKey = keys.pop();
    const lastObj = keys.reduce((obj, key) =>
            obj[key] = obj[key] || {},
        obj);
    lastObj[lastKey] = val;
};