Category: Guides

CopyObjectCommand in TypeScript: CopySource encoding, metadata and storage class, UploadPartCopy above 5 GB, move as copy plus delete, and bulk copies.

StartExecution and StartSyncExecution in TypeScript, with idempotent names, DescribeExecution polling, failure details from the history and least-privilege IAM.

UpdateCommand in TypeScript: update expressions, conditions and ConditionalCheckFailedException, atomic counters, version-based locking, ReturnValues and TransactWrite.

PutMetricDataCommand end to end in TypeScript: buffering, Values/Counts batches, dimensions that don’t explode your bill, EMF for Lambda, alarms, IAM and limits.

PutEventsCommand end to end in TypeScript: building entries, batching by count and size, retrying partial failures, testing rule patterns, IAM and limits.

SESv2 SendEmailCommand end to end in TypeScript: simple messages with attachments, stored templates, raw MIME, configuration sets, IAM, quotas and errors.

PublishCommand end to end in TypeScript: attributes that drive filter policies, FIFO group and dedup IDs, batches of 10, SQS fan-out, IAM and common…

Every way to list S3 keys in TypeScript with SDK v3: paginators past 1,000 keys, folder-style listings, resume points, versions, IAM and when to…

Reading Parameter Store from Node.js with SDK v3: one value, ten at a time or a whole path, decryption, a TTL cache, throughput quotas…

QueryCommand from lib-dynamodb end to end: sort key conditions, indexes, pagination and API cursors, filters that cost more than they look, and IAM.