Function setUncaughtExceptionCaptureCallback

lib/internal/process/execution.js:115–135

(fn)

};

function setUncaughtExceptionCaptureCallback(fn) {
  if (fn === null) {
    exceptionHandlerState.captureFn = fn;
    if (exceptionHandlerState.auxiliaryCallbacks.length === 0) {
      shouldAbortOnUncaughtToggle[0] = 1;
      process.report.reportOnUncaughtException = exceptionHandlerState.reportFlag;
    }
    return;
  }
  if (typeof fn !== 'function') {
    throw new ERR_INVALID_ARG_TYPE('fn', ['Function', 'null'], fn);
  }
  if (exceptionHandlerState.captureFn !== null) {
    throw new ERR_UNCAUGHT_EXCEPTION_CAPTURE_ALREADY_SET();
  }
  exceptionHandlerState.captureFn = fn;
  shouldAbortOnUncaughtToggle[0] = 0;
  exceptionHandlerState.reportFlag =
    process.report.reportOnUncaughtException === true;
  process.report.reportOnUncaughtException = false;
}

// Add an auxiliary callback that coexists with the primary callback.
// Auxiliary callbacks are called first; if any returns true, the error is handled.