apetov

// ...

let map = (this.map = leaflet.map(mapEl, this.options));
// apetov:
mapMode.switchMode(lat, lng);
tileUrl = mapMode.tileUrl;
// 
leaflet.tileLayer(tileUrl, { attribution }).addTo(map);
map.setView([lat, lng], defaultZoomLevel);

apetov

// ...

import { MapMode } from './map-mode';
var mapMode = new MapMode();

// Changed tileUrl to dynamic variable
let tileUrl = mapMode.tileUrl;
const attribution = mapMode.attribution;

// ...

apetov

'use strict';

export class MapMode {
    constructor() { 
        this.currentMode = 'day';
    }

    switchMode(lat, lng) {
        const sunCalc = require('suncalc');

apetov

/*
// My tests
// DPS909

var x = [1,46,7,9];
var reversed = x.reverse();
var y = [9,7,46,1];