Function createWarningObject

lib/internal/process/warning.js:187–201

(warning, type, code, ctor, detail)

}

function createWarningObject(warning, type, code, ctor, detail) {
  assert(typeof warning === 'string');
  // Improve error creation performance by skipping the error frames.
  // They are added in the `captureStackTrace()` function below.
  const tmpStackLimit = Error.stackTraceLimit;
  if (isErrorStackTraceLimitWritable()) Error.stackTraceLimit = 0;
  // eslint-disable-next-line no-restricted-syntax
  warning = new Error(warning);
  if (isErrorStackTraceLimitWritable()) Error.stackTraceLimit = tmpStackLimit;
  warning.name = String(type || 'Warning');
  if (code !== undefined) warning.code = code;
  if (detail !== undefined) warning.detail = detail;
  ErrorCaptureStackTrace(warning, ctor || process.emitWarning);
  return warning;
}

module.exports = {
  emitWarning,