killit/dist/cli.js

Simple, fast port killer with zero dependencies

#!/usr/bin/env node
import { killPort, killPorts } from './index.js';
function parseArgs() {
    const args = process.argv.slice(2);
    const options = {
        ports: [],
        protocol: 'tcp',
        verbose: false,
        help: false,
    };
    for (let i = 0; i < args.length; i++) {
        const arg = args[i];
        switch (arg) {
            case '-h':
            case '--help':
                options.help = true;
                break;
            case '-p':
            case '--port':
                if (args[i + 1]) {
                    options.ports.push(...args[i + 1].split(','));
                    i++;
                }
                break;
            case '-m':
            case '--method':
            case '--protocol':
                if (args[i + 1] && (args[i + 1] === 'tcp' || args[i + 1] === 'udp')) {
                    options.protocol = args[i + 1];
                    i++;
                }
                break;
            case '-v':
            case '--verbose':
                options.verbose = true;
                break;
            default:
                if (!arg.startsWith('-') && /^\d+$/.test(arg)) {
                    options.ports.push(arg);
                }
                break;
        }
    }
    return options;
}
function showHelp() {
    console.log(`
killit - Kill processes running on specified ports

Usage:
  killit <port> [port2] [port3] ...
  killit --port <port>
  killit --port <port1>,<port2>,<port3>

Options:
  -p, --port <port>        Port number(s) to kill (comma-separated)
  -m, --method <protocol>  Protocol: tcp or udp (default: tcp)
  -v, --verbose            Show detailed output
  -h, --help               Show this help message

Examples:
  killit 3000                    Kill process on port 3000
  killit 3000 8080 5000          Kill processes on multiple ports
  killit --port 3000             Kill process on port 3000
  killit --port 3000,8080        Kill processes on ports 3000 and 8080
  killit 9000 --method udp       Kill UDP process on port 9000
  killit 3000 --verbose          Kill with verbose output
  `);
}
async function main() {
    const options = parseArgs();
    if (options.help) {
        showHelp();
        process.exit(0);
    }
    if (options.ports.length === 0) {
        console.error('Error: No port specified\n');
        showHelp();
        process.exit(1);
    }
    try {
        if (options.ports.length === 1) {
            await killPort(options.ports[0], {
                protocol: options.protocol,
                verbose: options.verbose,
            });
            console.log(`✓ Killed process on port ${options.ports[0]}`);
        }
        else {
            await killPorts(options.ports, {
                protocol: options.protocol,
                verbose: options.verbose,
            });
            console.log(`✓ Killed processes on ports: ${options.ports.join(', ')}`);
        }
    }
    catch (error) {
        console.error(`✗ Error: ${error instanceof Error ? error.message : String(error)}`);
        process.exit(1);
    }
}
main();