@swell/cli/dist/lib/proxy.js

Swell's command line interface/utility

import localtunnel from 'localtunnel';
import ngrok from 'ngrok';
import { LOCAL_PROXY_PROVIDER } from './constants.js';
export async function getProxyUrl(port) {
    const provider = LOCAL_PROXY_PROVIDER || 'localtunnel';
    try {
        switch (provider) {
            case 'local': {
                return `http://localhost:${port}`;
            }
            case 'ngrok': {
                return await ngrok.connect({
                    addr: port,
                    region: 'us', // TODO: make it configurable
                });
            }
            // eslint-disable-next-line unicorn/no-useless-switch-case
            case 'localtunnel':
            default: {
                const tunnel = await localtunnel({ port });
                return tunnel.url;
            }
        }
    }
    catch (error) {
        console.log(error);
        throw new Error(`Unable to start tunnel on port ${port} (${provider}): ${error.message}`);
    }
}