Retrieves a specific refund

type Shopify = {

  token: string;

  store_name: string;

};

/**

 * Retrieves a specific refund

 * Retrieves a specific refund.

 */

export async function main(

  auth: Shopify,

  api_version: string = "2023-10",

  order_id: string,

  refund_id: string,

  fields: string | undefined,

  in_shop_currency: string | undefined

) {

  const url = new URL(

    `https://${auth.store_name}.myshopify.com/admin/api/${api_version}/orders/${order_id}/refunds/${refund_id}.json`

  );

  for (const [k, v] of [

    ["fields", fields],

    ["in_shop_currency", in_shop_currency],

  ]) {

    if (v !== undefined && v !== "") {

      url.searchParams.append(k, v);

    }

  }

  const response = await fetch(url, {

    method: "GET",

    headers: {

      "X-Shopify-Access-Token": auth.token,

    },

    body: undefined,

  });

  if (!response.ok) {

    const text = await response.text();

    throw new Error(`${response.status} ${text}`);

  }

  return await response.json();

}