WeatherTool/web/src/App.tsx

import { Component, JSXElement, createSignal } from 'solid-js';

import styles from './css/App.module.css';
import { Country } from './country/Country';
import { Cities } from './cities/Cities';
import { Database } from './database/Database';
import { Station } from './station/Station';
import { apiHost } from './consts';

console.log("env:", import.meta.env.MODE);
console.log("api host:", apiHost);

const App: Component = () => {
    const pages: [string, () => JSXElement][] = [
        ["station", () => <Station />],
        ["cities", () => <Cities />],
        ["latvia", () => <Country />],
        ["database", () => <Database />],
    ];
    const [getPageTitle, setPageTitle] = createSignal("station");

    const getPageContent = () => {
        const page = pages.find(p => p[0] === getPageTitle());
        return page ? page[1]() : <div>Page not found!</div>;
    }

    const getActiveCSS = (pageTitle: string) => {
        return getPageTitle() === pageTitle ? styles.active : "";
    }

    return (
        <div class={styles.App}>
            <ul class={styles.menu}>
                { pages.map(([pageTitle]) =>
                    <li
                        class={getActiveCSS(pageTitle)}
                        onClick={() => setPageTitle(pageTitle)}
                    >
                        {pageTitle}
                    </li>
                )}
            </ul>
            { getPageContent() }
        </div>
    );
};

export default App;