Get current user

//native

type Box = {

  token: string;

};

/**

 * Get current user

 * Retrieves information about the user who is currently authenticated.

In the case of a client-side authenticated OAuth 2.0 application

this will be the user who authorized the app.

In the case of a JWT, server-side authenticated application

this will be the service account that belongs to the application

by default.

Use the `As-User` header to change who this API call is made on behalf of.

 */

export async function main(auth: Box, fields: string | undefined) {

  const url = new URL(`https://api.box.com/2.0/users/me`);

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

    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();

}