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fix(dynamodb-seeder): Correct S3 file stream handling with transformToString #218

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fix(dynamodb-seeder): Correct S3 file stream handling with transformToString #218

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10 changes: 7 additions & 3 deletions packages/cdk-dynamodb-seeder/src/lambdas/dynamodb-seeder/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -63,11 +63,15 @@ const getSeedsFromS3 = async (s3Location: { s3Bucket?: string; s3Key?: string; s
})
.promise();

if (!body) {
throw new Error(`Cannot load seeds from bucket ${s3Bucket} with key ${s3Key}`);
const bodyContents = await body.transformToString("utf-8");

if (!bodyContents) {
throw new Error(
`Cannot load seeds from bucket ${s3Bucket} with key ${s3Key}`
);
}

return JSON.parse(body.toString()) as Seeds;
return JSON.parse(bodyContents) as Seeds;
};

const writeSeeds = async (tableName: string, seeds: Seeds): Promise<void> => {
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