Function headS3Object

apps/sim/lib/uploads/providers/s3/client.ts:243–266

(
  key: string,
  customConfig?: S3Config
)

 * Returns null when the object is missing.
 */
export async function headS3Object(
  key: string,
  customConfig?: S3Config
): Promise<{ size: number; contentType?: string } | null> {
  const config = customConfig || { bucket: S3_CONFIG.bucket, region: S3_CONFIG.region }

  try {
    const response = await getS3Client().send(
      new HeadObjectCommand({ Bucket: config.bucket, Key: key })
    )
    return {
      size: response.ContentLength ?? 0,
      contentType: response.ContentType,
    }
  } catch (error) {
    const code = (error as { name?: string; $metadata?: { httpStatusCode?: number } } | null)?.name
    const status = (error as { $metadata?: { httpStatusCode?: number } } | null)?.$metadata
      ?.httpStatusCode
    if (code === 'NotFound' || code === 'NoSuchKey' || status === 404) {
      return null
    }
    throw error
  }
}

/**
 * Delete a file from S3