JSFiddle - React, Tailwind, and code Playground

by Arvind Pal

JavaScript

let flatArr =[ 
		{
        "Parent_ID": 0,
        "ID": 1,
        "index": 0
    },
    {
        "Parent_ID": 0,
        "ID": 2,
        "index": 1
    },
    {
        "Parent_ID": 0,
        "ID": 3,
        "index": 2
    },
    {
        "Parent_ID": 3,
        "ID": 4,
        "index": 3
    },
    {
        "Parent_ID": 0,
        "ID": 5,
        "index": 4
    },
    {
        "Parent_ID": 5,
        "ID": 6,
        "index": 5
    },
    {
        "Parent_ID": 0,
        "ID": 7,
        "index": 6
    },
    {
        "Parent_ID": 7,
        "ID": 8,
        "index": 7
    },
    {
        "Parent_ID": 8,
        "ID": 9,
        "index": 8
    },
    {
        "Parent_ID": 8,
        "ID": 10,
        "index": 9
    },
    {
        "Parent_ID": 10,
        "ID": 11,
        "index": 10
    },
    {
        "Parent_ID": 10,
        "ID": 12,
        "index": 11
    },
    {
        "Parent_ID": 7,
        "ID": 13,
        "index": 12
    },
    {
        "Parent_ID": 0,
        "ID": 14,
        "index": 13
    },
    {
        "Parent_ID": 0,
        "ID": 15,
        "index": 14
    },
    {
        "Parent_ID": 15,
        "ID": 16,
        "index": 15
    },
    {
        "Parent_ID": 0,
        "ID": 17,
        "index": 16
    },
    {
        "Parent_ID": 17,
        "ID": 18,
        "index": 17
    },
    {
        "Parent_ID": 0,
        "ID": 19,
        "index": 18
    },
    {
        "Parent_ID": 0,
        "ID": 20,
        "index": 19
    },
    {
        "Parent_ID": 20,
        "ID": 21,
        "index": 20
    },
    {
        "Parent_ID": 0,
        "ID": 22,
        "index": 21
    },
    {
        "Parent_ID": 0,
        "ID": 23,
        "index": 22
    },
    {
        "Parent_ID": 23,
        "ID": 24,
        "index": 23
    },
    {
        "Parent_ID": 23,
        "ID": 25,
        "index": 24
    },
    {
        "Parent_ID": 0,
        "ID": 26,
        "index": 25
    },
    {
        "Parent_ID": 0,
        "ID":...