type Cloudflare = {

  token: string;

  email: string;

  key: string;

};

/**

 * Read key-value pair

 * Returns the value associated with the given key in the given namespace. Use URL-encoding to use special characters (for example, `:`, `!`, `%`) in the key name. If the KV-pair is set to expire at some point, the expiration time as measured in seconds since the UNIX epoch will be returned in the `expiration` response header.

 */

export async function main(

  auth: Cloudflare,

  key_name: string,

  namespace_identifier: string,

  account_identifier: string

) {

  const url = new URL(

    `https://api.cloudflare.com/client/v4/accounts/${account_identifier}/storage/kv/namespaces/${namespace_identifier}/values/${key_name}`

  );

  const response = await fetch(url, {

    method: "GET",

    headers: {

      "X-AUTH-EMAIL": auth.email,

      "X-AUTH-KEY": auth.key,

      Authorization: "Bearer " + auth.token,

    },

    body: undefined,

  });

  if (!response.ok) {

    const text = await response.text();

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

  }

  return await response.json();

}