PudgeWL nbhaohao

## awaitWrap.ts
function awaitWrap<T, U = any>(promise: Promise<T>): Promise<[U | null, T | null]> {
    return promise
        .then<[null, T]>((data: T) => [null, data])
        .catch<[U, null]>(err => [err, null])
}

## alias.config.js
const resolve = dir => require("path").join(__dirname, dir);

module.exports = {
  resolve: {
    alias: {
      "@": resolve("src")
    }
  }
};

## handleTree.js
const testArray = [
  {
    id: 1
  },
  {
    id: 5
  },
  {
    id: 2,
    parentId: 1
	function awaitWrap<T, U = any>(promise: Promise<T>): Promise<[U \| null, T \| null]> {
	return promise
	.then<[null, T]>((data: T) => [null, data])
	.catch<[U, null]>(err => [err, null])
	}
	const resolve = dir => require("path").join(__dirname, dir);

	module.exports = {
	resolve: {
	alias: {
	"@": resolve("src")
	}
	}
	};