Create a tree with path string created by MattMcFarland - https://repl.it/JC8r/22

Create a tree with path string.js

const pathString = 'one/two/three';

function buildTree(pathString) {
  const pathArray = pathString.split('/')
  let pathList = {}
  
  for (var i = pathArray.length - 1; i >= 0; i--) {
    let newObj = Object.assign({}, pathList); 
    pathList = { 
      [pathArray[i]]: newObj
    }
  }
  console.log(pathList)
}


buildTree(pathString)