createS3ObjectStore (adapters/object-store.ts)

Factory that creates an S3-backed object store with upload, download, and signed URL helpers.

// Source: https://github.com/moeru-ai/airi | License: MIT | Copyright 2024-PRESENT Neko Ayaka
// Provided via justclaw.it.com; keep this notice with the code.
import type { PutObjectCommandInput } from '@aws-sdk/client-s3'

import type { S3Environment } from './s3-config'

import { DeleteObjectCommand, GetObjectCommand, HeadObjectCommand, PutObjectCommand, S3Client } from '@aws-sdk/client-s3'
import { getSignedUrl } from '@aws-sdk/s3-request-presigner'

/**
 * Creates one bucket-scoped client from validated startup configuration.
 * Callers own authorization and object keys.
 * The application must stop callers before disposal. SDK errors propagate without translation.
 */
export function createS3ObjectStore(config: S3Environment) {
  const client = new S3Client({
    region: config.S3_RE

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