lambda-live-debugger
Version:
Debug Lambda functions locally like it is running in the cloud
33 lines (32 loc) • 1.71 kB
JavaScript
import { AwsCrc32c } from "@aws-crypto/crc32c";
import { Crc64Nvme, crc64NvmeCrtContainer } from "@aws-sdk/crc64-nvme";
import { ChecksumAlgorithm } from "./constants";
import { getCrc32ChecksumAlgorithmFunction } from "./getCrc32ChecksumAlgorithmFunction";
import { CLIENT_SUPPORTED_ALGORITHMS } from "./types";
export const selectChecksumAlgorithmFunction = (checksumAlgorithm, config) => {
const { checksumAlgorithms = {} } = config;
switch (checksumAlgorithm) {
case ChecksumAlgorithm.MD5:
return checksumAlgorithms?.MD5 ?? config.md5;
case ChecksumAlgorithm.CRC32:
return checksumAlgorithms?.CRC32 ?? getCrc32ChecksumAlgorithmFunction();
case ChecksumAlgorithm.CRC32C:
return checksumAlgorithms?.CRC32C ?? AwsCrc32c;
case ChecksumAlgorithm.CRC64NVME:
if (typeof crc64NvmeCrtContainer.CrtCrc64Nvme !== "function") {
return checksumAlgorithms?.CRC64NVME ?? Crc64Nvme;
}
return checksumAlgorithms?.CRC64NVME ?? crc64NvmeCrtContainer.CrtCrc64Nvme;
case ChecksumAlgorithm.SHA1:
return checksumAlgorithms?.SHA1 ?? config.sha1;
case ChecksumAlgorithm.SHA256:
return checksumAlgorithms?.SHA256 ?? config.sha256;
default:
if (checksumAlgorithms?.[checksumAlgorithm]) {
return checksumAlgorithms[checksumAlgorithm];
}
throw new Error(`The checksum algorithm "${checksumAlgorithm}" is not supported by the client.` +
` Select one of ${CLIENT_SUPPORTED_ALGORITHMS}, or provide an implementation to ` +
` the client constructor checksums field.`);
}
};