Function isProcessAReactApp

packages/react-dev-utils/getProcessForPort.js:24–26

(processCommand)

};

function isProcessAReactApp(processCommand) {
  return /^node .*react-scripts\/scripts\/start\.js\s?$/.test(processCommand);
}

function getProcessIdOnPort(port) {
  return execFileSync('lsof', ['-i:' + port, '-P', '-t', '-sTCP:LISTEN'], execOptions)