Get Metrics for a Bitlink by City

//native

type Bitly = {

  token: string;

};

/**

 * Get Metrics for a Bitlink by City

 * Returns the city origins of click traffic for the specified link.

 */

export async function main(

  auth: Bitly,

  bitlink: string,

  unit: "minute" | "hour" | "day" | "week" | "month" | undefined,

  units: string | undefined,

  size: string | undefined,

  unit_reference: string | undefined,

) {

  const url = new URL(

    `https://api-ssl.bitly.com/v4/bitlinks/${bitlink}/cities`,

  );

  for (const [k, v] of [

    ["unit", unit],

    ["units", units],

    ["size", size],

    ["unit_reference", unit_reference],

  ]) {

    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();

}