npm install @latimer-woods-tech/neon

// wrangler.jsonc
{
  "hyperdrive": [{ "binding": "DB", "id": "<hyperdrive-id>" }]
}

function createDb(binding: Hyperdrive): Db;

interface Db {
  execute<T = Record<string, unknown>>(
    sql: string,
    params?: unknown[],
  ): Promise<{ rows: T[] }>;
}

function withDbRetry<T>(
  fn: () => Promise<T>,
  opts?: { retries?: number; delayMs?: number },
): Promise<T>;

class DbError extends FactoryError {
  readonly query?: string;
}

import { createDb, withDbRetry } from '@latimer-woods-tech/neon';

const db = createDb(env.DB);

const result = await withDbRetry(() =>
  db.execute<{ id: string; email: string }>(
    'SELECT id, email FROM users WHERE id = $1',
    [userId],
  )
);

const user = result.rows[0];