Function getApiErrorCandidates

common/src/util/error.ts:261–287

(
  error: unknown,
  seen = new Set<object>(),
)

}

function getApiErrorCandidates(
  error: unknown,
  seen = new Set<object>(),
): unknown[] {
  if (!error || typeof error !== 'object') return [error]
  if (seen.has(error)) return []
  seen.add(error)

  const candidates: unknown[] = [error]
  const errorWithNested = error as {
    lastError?: unknown
    errors?: unknown[]
    cause?: unknown
  }

  candidates.push(...getApiErrorCandidates(errorWithNested.lastError, seen))

  if (Array.isArray(errorWithNested.errors)) {
    for (const nestedError of [...errorWithNested.errors].reverse()) {
      candidates.push(...getApiErrorCandidates(nestedError, seen))
    }
  }

  candidates.push(...getApiErrorCandidates(errorWithNested.cause, seen))

  return candidates
}

function getApiErrorStatusCode(error: unknown): number | undefined {
  if (!error || typeof error !== 'object') return undefined