Add a tag to a task

type Asana = {

  token: string;

};

/**

 * Add a tag to a task

 * Adds a tag to a task. Returns an empty data block.

 */

export async function main(

  auth: Asana,

  task_gid: string,

  opt_pretty: string | undefined,

  opt_fields: string | undefined,

  body: { data?: { tag: string; [k: string]: unknown }; [k: string]: unknown }

) {

  const url = new URL(`https://app.asana.com/api/1.0/tasks/${task_gid}/addTag`);

  for (const [k, v] of [

    ["opt_pretty", opt_pretty],

    ["opt_fields", opt_fields],

  ]) {

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

      url.searchParams.append(k, v);

    }

  }

  const response = await fetch(url, {

    method: "POST",

    headers: {

      "Content-Type": "application/json",

      Authorization: "Bearer " + auth.token,

    },

    body: JSON.stringify(body),

  });

  if (!response.ok) {

    const text = await response.text();

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

  }

  return await response.json();

}