vnext/src/index.js


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import 'core-js/modules/es.array.map';
import 'core-js/modules/es.map';
import 'core-js/modules/es.object.create';
import 'core-js/modules/es.object.define-property';
import 'core-js/modules/es.object.set-prototype-of';
import 'core-js/modules/es.promise';
import 'core-js/modules/es.set';
import 'core-js/modules/es.symbol';
import 'core-js/modules/web.dom-collections.iterator';
import 'url-polyfill';
import { StrictMode, lazy } from 'react';
import { createRoot, hydrateRoot } from 'react-dom/client';
import { BrowserRouter } from 'react-router-dom';
import { CookiesProvider } from 'react-cookie';

import { VisitorProvider } from './ui/VisitorContext';

const Juick = lazy(() => import('./App'));

function fromBinary(encoded) {
    const binary = window.atob(encoded);
    const bytes = new Uint8Array(binary.length);
    for (let i = 0; i < bytes.length; i++) {
        bytes[i] = binary.charCodeAt(i);
    }
    return String.fromCharCode(...new Uint16Array(bytes.buffer));
}

const props = window.__PROPS__ ? JSON.parse(fromBinary(window.__PROPS__)) : {};

const JuickApp = () => (
    <StrictMode>
        <VisitorProvider>
            <CookiesProvider>
                <BrowserRouter>
                    <Juick {...props} />
                </BrowserRouter>
            </CookiesProvider>
        </VisitorProvider>
    </StrictMode>
);

let root = document.getElementById('app');
if (window.__PROPS__) {
    hydrateRoot(root, <JuickApp />);
} else {
    createRoot(root).render(<JuickApp />);
}