Function diameterOfTree

javascript/0543-diameter-of-binary-tree.js:13–18

(root, max)

};

const diameterOfTree = (root, max) => {
    const isBaseCase = root === null;
    if (isBaseCase) return 0;

    return dfs(root, max);
};

const dfs = (root, max) => {
    const left = diameterOfTree(root.left, max);