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How to use the verror.VError.cause function in verror

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openkfw / TruBudget / api / src / http_errors.ts View on Github

function selectHighLevelCause(error: Error): string {
  if (error.name !== "Error" && error.name !== "VError") {
    return error.name;
  }
  const cause = VError.cause(error);
  if (cause === null) {
    return error.name;
  } else {
    return selectHighLevelCause(cause);
  }
}