Update a Custom Field definition

type Trello = {

  key: string;

  token: string;

};

/**

 * Update a Custom Field definition

 * Update a Custom Field definition.

 */

export async function main(

  auth: Trello,

  id: string,

  body: {

    name?: string;

    pos?: ("top" | "bottom") | number;

    "display/cardFront"?: boolean;

    [k: string]: unknown;

  }

) {

  const url = new URL(`https://api.trello.com/1/customFields/${id}`);

  for (const [k, v] of [

    ["key", auth.key],

    ["token", auth.token],

  ]) {

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

      url.searchParams.append(k, v);

    }

  }

  const response = await fetch(url, {

    method: "PUT",

    headers: {

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

      Authorization: undefined,

    },

    body: JSON.stringify(body),

  });

  if (!response.ok) {

    const text = await response.text();

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

  }

  return await response.json();

}