Retrieve detailed geolocation information for a visitor’s or user’s IP address

//native

type Greip = {

  apiKey: string;

};

/**

 * Retrieve detailed geolocation information for a visitor’s or user’s IP address

 * This API allows you to retrieve detailed geolocation information for a visitor’s or user’s IP address.

By using the IP Geolocation method, you can access data such as the user’s country, city, ISP, and more, enabling you to personalize user experiences, enhance security, and make data-driven decisions based on geographic insights.

 */

export async function main(

  auth: Greip,

  params: string | undefined,

  lang: string | undefined,

  format: string | undefined,

  userID: string | undefined,

  mode: string | undefined,

  callback: string | undefined,

) {

  const url = new URL(`https://greipapi.com/geoip`);

  for (const [k, v] of [

    ["params", params],

    ["lang", lang],

    ["format", format],

    ["userID", userID],

    ["mode", mode],

    ["callback", callback],

  ]) {

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

      url.searchParams.append(k, v);

    }

  }

  const response = await fetch(url, {

    method: "GET",

    headers: {

      Authorization: "Bearer " + auth.apiKey,

    },

    body: undefined,

  });

  if (!response.ok) {

    const text = await response.text();

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

  }

  return await response.text();

}