Get Variants for Catalog Item

//native

type Klaviyo = {

  apiKey: string;

};

/**

 * Get Variants for Catalog Item

 * Get all variants related to the given item ID.

Variants can be sorted by the following fields, in ascending and descending order:

`created`

Returns a maximum of 100 variants per request.*Rate limits*:Burst: `350/s`Steady: `3500/m`

 */

export async function main(

  auth: Klaviyo,

  id: string,

  fields_catalog_variant_: string | undefined,

  filter: string | undefined,

  page_cursor_: string | undefined,

  sort: "created" | "-created" | undefined,

  revision: string,

) {

  const url = new URL(`https://a.klaviyo.com/api/catalog-items/${id}/variants`);

  for (const [k, v] of [

    ["fields[catalog-variant]", fields_catalog_variant_],

    ["filter", filter],

    ["page[cursor]", page_cursor_],

    ["sort", sort],

  ]) {

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

      url.searchParams.append(k, v);

    }

  }

  const response = await fetch(url, {

    method: "GET",

    headers: {

      revision: revision,

      "Accept": "application/vnd.api+json",

      Authorization: "Klaviyo-API-Key " + auth.apiKey,

    },

    body: undefined,

  });

  if (!response.ok) {

    const text = await response.text();

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

  }

  return await response.json();

}