fileList2Directory.js

function createNode(path, tree) {
  const name = path.shift();
  const idx = tree.findIndex((e) => {
    return e.name === name;
  });
  if (idx < 0) {
    tree.push({
      name: name,
      children: [],
      leaf: path.length === 0,
    });
    if (path.length !== 0) {
      createNode(path, tree[tree.length - 1].children);
    }
  } else {
    createNode(path, tree[idx].children);
  }
}
export default function parse(data) {
  const tree = [];
  for (let i = 0; i < data.length; i++) {
    const path = data[i];
    const split = path.split("/");
    createNode(split, tree);
  }
  return tree;
}

parse(["1/2/3", "2/3", "1/2/4"]);