Update custom field in existing purchaseorders

//native

type Zoho = {

  token: string;

};

/**

 * Update custom field in existing purchaseorders

 * Update the value of the custom field in existing purchaseorders.

 */

export async function main(

  auth: Zoho,

  purchaseorder_id: string,

  organization_id: string | undefined,

  body: { customfield_id?: number; value?: string }[],

) {

  const url = new URL(

    `https://www.zohoapis.com/books/v3/purchaseorder/${purchaseorder_id}/customfields`,

  );

  for (const [k, v] of [["organization_id", organization_id]]) {

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

      url.searchParams.append(k, v);

    }

  }

  const response = await fetch(url, {

    method: "PUT",

    headers: {

      "Content-Type": "application/json",

      Authorization: "Zoho-oauthtoken " + auth.token,

    },

    body: JSON.stringify(body),

  });

  if (!response.ok) {

    const text = await response.text();

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

  }

  return await response.json();

}