78 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			78 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
'use strict';
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const CLOCK_SKEW_ERROR_CODES = [
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    "AuthFailure",
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    "InvalidSignatureException",
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    "RequestExpired",
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    "RequestInTheFuture",
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    "RequestTimeTooSkewed",
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    "SignatureDoesNotMatch",
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];
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const THROTTLING_ERROR_CODES = [
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    "BandwidthLimitExceeded",
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    "EC2ThrottledException",
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    "LimitExceededException",
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    "PriorRequestNotComplete",
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    "ProvisionedThroughputExceededException",
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    "RequestLimitExceeded",
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    "RequestThrottled",
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    "RequestThrottledException",
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    "SlowDown",
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    "ThrottledException",
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    "Throttling",
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    "ThrottlingException",
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    "TooManyRequestsException",
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    "TransactionInProgressException",
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];
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const TRANSIENT_ERROR_CODES = ["TimeoutError", "RequestTimeout", "RequestTimeoutException"];
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const TRANSIENT_ERROR_STATUS_CODES = [500, 502, 503, 504];
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const NODEJS_TIMEOUT_ERROR_CODES = ["ECONNRESET", "ECONNREFUSED", "EPIPE", "ETIMEDOUT"];
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const NODEJS_NETWORK_ERROR_CODES = ["EHOSTUNREACH", "ENETUNREACH", "ENOTFOUND"];
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const isRetryableByTrait = (error) => error?.$retryable !== undefined;
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const isClockSkewError = (error) => CLOCK_SKEW_ERROR_CODES.includes(error.name);
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const isClockSkewCorrectedError = (error) => error.$metadata?.clockSkewCorrected;
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const isBrowserNetworkError = (error) => {
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    const errorMessages = new Set([
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        "Failed to fetch",
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        "NetworkError when attempting to fetch resource",
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        "The Internet connection appears to be offline",
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        "Load failed",
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        "Network request failed",
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    ]);
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    const isValid = error && error instanceof TypeError;
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    if (!isValid) {
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        return false;
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    }
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    return errorMessages.has(error.message);
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};
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const isThrottlingError = (error) => error.$metadata?.httpStatusCode === 429 ||
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    THROTTLING_ERROR_CODES.includes(error.name) ||
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    error.$retryable?.throttling == true;
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const isTransientError = (error, depth = 0) => isRetryableByTrait(error) ||
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    isClockSkewCorrectedError(error) ||
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    TRANSIENT_ERROR_CODES.includes(error.name) ||
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    NODEJS_TIMEOUT_ERROR_CODES.includes(error?.code || "") ||
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    NODEJS_NETWORK_ERROR_CODES.includes(error?.code || "") ||
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    TRANSIENT_ERROR_STATUS_CODES.includes(error.$metadata?.httpStatusCode || 0) ||
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    isBrowserNetworkError(error) ||
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    (error.cause !== undefined && depth <= 10 && isTransientError(error.cause, depth + 1));
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const isServerError = (error) => {
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    if (error.$metadata?.httpStatusCode !== undefined) {
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        const statusCode = error.$metadata.httpStatusCode;
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        if (500 <= statusCode && statusCode <= 599 && !isTransientError(error)) {
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            return true;
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        }
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        return false;
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    }
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    return false;
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};
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exports.isBrowserNetworkError = isBrowserNetworkError;
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exports.isClockSkewCorrectedError = isClockSkewCorrectedError;
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exports.isClockSkewError = isClockSkewError;
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exports.isRetryableByTrait = isRetryableByTrait;
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exports.isServerError = isServerError;
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exports.isThrottlingError = isThrottlingError;
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exports.isTransientError = isTransientError;
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