array-tree-transform

EN: Creating a tree based on an flatten array of items with fields "id" and "parent_id". And vice versa, creating an array from tree.

RU: Создание дерева на основе плоского массива записей с полями "id" и "parent_id". И обратно, создание массива из дерева.

Installation

npm install --save array-tree-transform

Usage

import { arrayToTree, treeToArray } from 'array-tree-transform';

var dataOne = [
  {
    id: 1,
    name: 'Portfolio',
    parent_id: 4
  },
  {
    id: 2,
    name: 'Web Development',
    parent_id: 1
  },
  {
    id: 3,
    name: 'Recent Works',
    parent_id: 2
  },
  {
    id: 4,
    name: 'About Me',
    parent_id: undefined
  }
  

  
];
 
var tree = arrayToTree(dataOne, function(parent, child) {
    return parent.id === child.parent_id;
});
console.log(tree);



var arr = treeToArray(tree);
console.log(arr);