import { CLOCK_SKEW_ERROR_CODES, NODEJS_TIMEOUT_ERROR_CODES, THROTTLING_ERROR_CODES, TRANSIENT_ERROR_CODES, TRANSIENT_ERROR_STATUS_CODES, } from "./constants"; export const isRetryableByTrait = (error) => error.$retryable !== undefined; export const isClockSkewError = (error) => CLOCK_SKEW_ERROR_CODES.includes(error.name); export const isClockSkewCorrectedError = (error) => error.$metadata?.clockSkewCorrected; export const isBrowserNetworkError = (error) => { const errorMessages = new Set([ "Failed to fetch", "NetworkError when attempting to fetch resource", "The Internet connection appears to be offline", "Load failed", "Network request failed", ]); const isValid = error && error instanceof TypeError; if (!isValid) { return false; } return errorMessages.has(error.message); }; export const isThrottlingError = (error) => error.$metadata?.httpStatusCode === 429 || THROTTLING_ERROR_CODES.includes(error.name) || error.$retryable?.throttling == true; export const isTransientError = (error, depth = 0) => isClockSkewCorrectedError(error) || TRANSIENT_ERROR_CODES.includes(error.name) || NODEJS_TIMEOUT_ERROR_CODES.includes(error?.code || "") || TRANSIENT_ERROR_STATUS_CODES.includes(error.$metadata?.httpStatusCode || 0) || isBrowserNetworkError(error) || (error.cause !== undefined && depth <= 10 && isTransientError(error.cause, depth + 1)); export const isServerError = (error) => { if (error.$metadata?.httpStatusCode !== undefined) { const statusCode = error.$metadata.httpStatusCode; if (500 <= statusCode && statusCode <= 599 && !isTransientError(error)) { return true; } return false; } return false; };