emaui/node_modules/detect-port/dist/esm/bin/detect-port.js

#!/usr/bin/env node
import path from 'node:path';
import { readFileSync } from 'node:fs';
import { detectPort } from '../detect-port.js';
const pkgFile = path.join(__dirname, '../../../package.json');
const pkg = JSON.parse(readFileSync(pkgFile, 'utf-8'));
const args = process.argv.slice(2);
let arg_0 = args[0];
if (arg_0 && ['-v', '--version'].includes(arg_0.toLowerCase())) {
    console.log(pkg.version);
    process.exit(0);
}
const removeByValue = (arr, val) => {
    for (let i = 0; i < arr.length; i++) {
        if (arr[i] === val) {
            arr.splice(i, 1);
            break;
        }
    }
};
const port = parseInt(arg_0, 10);
const isVerbose = args.includes('--verbose');
removeByValue(args, '--verbose');
arg_0 = args[0];
if (!arg_0) {
    const random = Math.floor(9000 + Math.random() * (65535 - 9000));
    detectPort(random, (err, port) => {
        if (isVerbose) {
            if (err) {
                console.log(`get available port failed with ${err}`);
            }
            console.log(`get available port ${port} randomly`);
        }
        else {
            console.log(port || random);
        }
    });
}
else if (isNaN(port)) {
    console.log();
    console.log(`  \u001b[37m${pkg.description}\u001b[0m`);
    console.log();
    console.log('  Usage:');
    console.log();
    console.log(`    ${pkg.name} [port]`);
    console.log();
    console.log('  Options:');
    console.log();
    console.log('    -v, --version    output version and exit');
    console.log('    -h, --help       output usage information');
    console.log('    --verbose        output verbose log');
    console.log();
    console.log('  Further help:');
    console.log();
    console.log(`    ${pkg.homepage}`);
    console.log();
}
else {
    detectPort(port, (err, _port) => {
        if (isVerbose) {
            if (err) {
                console.log(`get available port failed with ${err}`);
            }
            if (port !== _port) {
                console.log(`port ${port} was occupied`);
            }
            console.log(`get available port ${_port}`);
        }
        else {
            console.log(_port || port);
        }
    });
}
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