Access D1 database outside a request

wrangler.toml

export interface Env {
  // If you set another name in wrangler.toml as the value for 'binding',
  // replace "DB" with the variable name you defined.
  DB: D1Database;
}

export default {
  async fetch(request, env): Promise<Response> {
    const { pathname } = new URL(request.url);

    if (pathname === "/api/beverages") {
      // If you did not use `DB` as your binding name, change it here
      const { results } = await env.DB.prepare(
        "SELECT * FROM Customers WHERE CompanyName = ?"
      )
        .bind("Bs Beverages")
        .all();
      return Response.json(results);
    }

    return new Response(
      "Call /api/beverages to see everyone who works at Bs Beverages"
    );
  },
} satisfies ExportedHandler<Env>;

env