next.config.js

/* eslint-disable @typescript-eslint/no-var-requires */
const withTM = require('next-transpile-modules')([
  '@fullcalendar/common',
  '@fullcalendar/daygrid',
  '@fullcalendar/interaction',
  '@fullcalendar/list',
  '@fullcalendar/react',
  '@fullcalendar/timegrid',
  '@fullcalendar/timeline',
]);

module.exports = withTM({
  swcMinify: false,
  trailingSlash: true,
  webpack(config) {
    config.resolve.fallback = {
      ...config.resolve.fallback, // if you miss it, all the other options in fallback, specified
        // by next.js will be dropped. Doesn't make much sense, but how it is
      fs: false, // the solution
    };

    return config;
  },
  env: {
    // HOST
    HOST_API_KEY: 'https://api-dev-minimal-v4.vercel.app',
    // MAPBOX
    MAPBOX_API: '',
    // FIREBASE
    FIREBASE_API_KEY: '',
    FIREBASE_AUTH_DOMAIN: '',
    FIREBASE_PROJECT_ID: '',
    FIREBASE_STORAGE_BUCKET: '',
    FIREBASE_MESSAGING_SENDER_ID: '',
    FIREBASE_APPID: '',
    FIREBASE_MEASUREMENT_ID: '',
    // AWS COGNITO
    AWS_COGNITO_USER_POOL_ID: '',
    AWS_COGNITO_CLIENT_ID: '',
    // AUTH0
    AUTH0_DOMAIN: '',
    AUTH0_CLIENT_ID: '',
  },
});