pingvin-share/frontend/src/pages/_app.tsx

import {
  ColorScheme,
  Container,
  LoadingOverlay,
  MantineProvider,
  Stack,
} from "@mantine/core";
import { ModalsProvider } from "@mantine/modals";
import { NotificationsProvider } from "@mantine/notifications";
import { getCookie } from "cookies-next";
import { GetServerSidePropsContext } from "next";
import type { AppProps } from "next/app";
import getConfig from "next/config";
import { useEffect, useState } from "react";
import Footer from "../components/Footer";
import ThemeProvider from "../components/mantine/ThemeProvider";
import Header from "../components/navBar/NavBar";
import { UserContext } from "../hooks/user.hook";
import authService from "../services/auth.service";
import userService from "../services/user.service";
import GlobalStyle from "../styles/global.style";
import globalStyle from "../styles/mantine.style";
import { CurrentUser } from "../types/user.type";
import { GlobalLoadingContext } from "../utils/loading.util";

const {  publicRuntimeConfig } = getConfig()

function App(
  props: AppProps & { colorScheme: ColorScheme; environmentVariables: any }
) {
  const { Component, pageProps } = props;
  const [colorScheme, setColorScheme] = useState<ColorScheme>(
    props.colorScheme
  );
  const [isLoading, setIsLoading] = useState(true);
  const [user, setUser] = useState<CurrentUser | null>(null);

  const getInitalData = async () => {
    console.log(publicRuntimeConfig)
    setIsLoading(true);
    setUser(await userService.getCurrentUser());

    setIsLoading(false);
  };
  useEffect(() => {
    setInterval(async () => await authService.refreshAccessToken(), 30 * 1000);
    getInitalData();
  }, []);
  return (
    <MantineProvider withGlobalStyles withNormalizeCSS theme={globalStyle}>
      <ThemeProvider colorScheme={colorScheme} setColorScheme={setColorScheme}>
        <GlobalStyle />
        <NotificationsProvider>
          <ModalsProvider>
            <GlobalLoadingContext.Provider value={{ isLoading, setIsLoading }}>
              {isLoading ? (
                <LoadingOverlay visible overlayOpacity={1} />
              ) : (
                <UserContext.Provider value={user}>
                  <LoadingOverlay visible={isLoading} overlayOpacity={1} />
                  <Stack justify="space-between" sx={{ minHeight: "100vh" }}>
                    <div>
                      <Header />
                      <Container>
                        <Component {...pageProps} />
                      </Container>
                    </div>
                    <Footer />
                  </Stack>
                </UserContext.Provider>
              )}
            </GlobalLoadingContext.Provider>
          </ModalsProvider>
        </NotificationsProvider>
      </ThemeProvider>
    </MantineProvider>
  );
}

export default App;

App.getInitialProps = ({ ctx }: { ctx: GetServerSidePropsContext }) => {
  return {
    colorScheme: getCookie("mantine-color-scheme", ctx) || "light",
  };
};