Function formatRuntimeError

packages/core/src/errors.ts:198–212

(
  code: T,
  message: null | false | string,
)

 * See additional info on the `message` argument type in the `RuntimeError` class description.
 */
export function formatRuntimeError<T extends number = RuntimeErrorCode>(
  code: T,
  message: null | false | string,
): string {
  const fullCode = formatRuntimeErrorCode(code);

  let errorMessage = `${fullCode}${message ? ': ' + message : ''}`;

  if (ngDevMode && code < 0) {
    const addPeriodSeparator = !errorMessage.match(/[.,;!?\n]$/);
    const separator = addPeriodSeparator ? '.' : '';
    errorMessage = `${errorMessage}${separator} Find more at ${ERROR_DETAILS_PAGE_BASE_URL}/${fullCode}`;
  }
  return errorMessage;
}