Function maxPathSum

javascript/0124-binary-tree-maximum-path-sum.js:7–11

(root, maxValue = [-Infinity])

 * @return {number}
 */
var maxPathSum = function (root, maxValue = [-Infinity]) {
    pathSum(root, maxValue);

    return maxValue[0];
};

const pathSum = (root, maxValue) => {
    const isBaseCase = root === null;