Function incrementNodeInspectorPort

lib/command.js:2719–2760

* Scan arguments and increment port number for inspect calls (to avoid conflicts when spawning new command). * * @param {string[]} args - array of arguments from node.execArgv * @returns {string[]} * @private

(args)

 */

function incrementNodeInspectorPort(args) {
  // Testing for these options:
  //  --inspect[=[host:]port]
  //  --inspect-brk[=[host:]port]
  //  --inspect-port=[host:]port
  return args.map((arg) => {
    if (!arg.startsWith('--inspect')) {
      return arg;
    }
    let debugOption;
    let debugHost = '127.0.0.1';
    let debugPort = '9229';
    let match;
    if ((match = arg.match(/^(--inspect(-brk)?)$/)) !== null) {
      // e.g. --inspect
      debugOption = match[1];
    } else if (
      (match = arg.match(/^(--inspect(-brk|-port)?)=([^:]+)$/)) !== null
    ) {
      debugOption = match[1];
      if (/^\d+$/.test(match[3])) {
        // e.g. --inspect=1234
        debugPort = match[3];
      } else {
        // e.g. --inspect=localhost
        debugHost = match[3];
      }
    } else if (
      (match = arg.match(/^(--inspect(-brk|-port)?)=([^:]+):(\d+)$/)) !== null
    ) {
      // e.g. --inspect=localhost:1234
      debugOption = match[1];
      debugHost = match[3];
      debugPort = match[4];
    }

    if (debugOption && debugPort !== '0') {
      return `${debugOption}=${debugHost}:${parseInt(debugPort) + 1}`;
    }
    return arg;
  });
}

/**
 * Exported for using from tests, not otherwise used outside this file.