WebCAD/src/index.tsx

import * as React from "react";
import * as ReactDOM from 'react-dom';
import '../node_modules/golden-layout/src/css/goldenlayout-base.css';
import '../node_modules/golden-layout/src/css/goldenlayout-dark-theme.css';
import { LoadLayoutNotHead } from './UI/LayoutDemo/test';
import "./UI/Css/style.less"
function CreateRootElement()
{
    var root = document.createElement('div');
    root.id = "app"
    root.style.height = "100%";
    document.body.appendChild(root);
}

window.onload = function ()
{
    CreateRootElement();
    document.onselectstart = () =>
    {
        return false;
    }

    LoadLayoutNotHead();
};