src/lib/r2.ts

import { S3Client } from "@aws-sdk/client-s3";

function required(name: string): string {
  const value = process.env[name];

  if (!value) {
    throw new Error(`Missing environment variable: ${name}`);
  }

  return value;
}

export const R2_BUCKET_NAME = required("R2_BUCKET_NAME");

export const r2 = new S3Client({
  region: "auto",
  endpoint: `https://${required("R2_ACCOUNT_ID")}.r2.cloudflarestorage.com`,
  credentials: {
    accessKeyId: required("R2_ACCESS_KEY_ID"),
    secretAccessKey: required("R2_SECRET_ACCESS_KEY"),
  },
});