Resolve a URL to an embed

//native

type Gitbook = {

  token: string;

};

/**

 * Resolve a URL to an embed

 *

 */

export async function main(auth: Gitbook, url: string | undefined) {

  const url_ = new URL(`https://api.gitbook.com/v1/urls/embed`);

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

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

      url_.searchParams.append(k, v);

    }

  }

  const response = await fetch(url_, {

    method: "GET",

    headers: {

      Authorization: "Bearer " + auth.token,

    },

    body: undefined,

  });

  if (!response.ok) {

    const text = await response.text();

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

  }

  return await response.json();

}