Function lazyOption

lib/internal/process/warning.js:40–49

()

}

function lazyOption() {
  // This will load `warningFile` only once. If the flag is not set,
  // `warningFile` will be set to an empty string.
  if (warningFile === undefined) {
    const diagnosticDir = getOptionValue('--diagnostic-dir');
    const redirectWarnings = getOptionValue('--redirect-warnings');
    warningFile = diagnosticDir || redirectWarnings || '';
  }
  return warningFile;
}

// If we can't write to stderr, we'd like to make this a noop,
// so use console.error.