@whook/whook/dist/services/PORT.js

Build strong and efficient REST web services.

import { autoService, name, location } from 'knifecycle';
import { noop } from '../libs/utils.js';
const DEFAULT_ENV = {};
export default location(name('PORT', autoService(initPort)), import.meta.url);
/**
 * Initialize the PORT service from ENV or auto-detection if
 *  none specified in ENV
 * @param  {Object}   services
 * The service dependencies
 * @param  {Object}   [services.ENV={}]
 * An optional environment object
 * @param  {Object}   [services.log=noop]
 * An optional logging service
 * @param  {Object}   services.importer
 * A service allowing to dynamically import ES modules
 * @return {Promise<Number>}
 * A promise of a number representing the actual port.
 */
async function initPort({ ENV = DEFAULT_ENV, log = noop, importer, }) {
    log('debug', `🏭 - Initializing the PORT service.`);
    if ('undefined' !== typeof ENV.PORT) {
        log('warning', `♻️ - Using ENV port "${ENV.PORT}"`);
        return parseInt(ENV.PORT, 10);
    }
    const port = await (await importer('portfinder')).getPortPromise();
    if (!port) {
        log('warning', `🚫 - Could not detect any free port.`);
        return 8080;
    }
    log('warning', `✔ - Found a free port "${port}"`);
    return port;
}
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