type Matrix = {

  baseUrl: string;

  token: string;

};

export async function main(matrix_res: Matrix, room_id: string) {

  const url = `${

    matrix_res.baseUrl

  }/_matrix/client/v3/rooms/${encodeURIComponent(room_id)}/state`;

  const resp = await fetch(url, {

    headers: {

      Authorization: `Bearer ${matrix_res.token}`,

    },

  });

  if (!resp.ok) {

    throw Error(`Failed to read room state: Error HTTP${resp.status}`);

  }

  return {

    events: await resp.json(),

  };

}