Create a new Custom Field on a Board

type Trello = {

  key: string;

  token: string;

};

/**

 * Create a new Custom Field on a Board

 * Create a new Custom Field on a board.

 */

export async function main(

  auth: Trello,

  body: {

    idModel: string;

    modelType: "board";

    name: string;

    type: "checkbox" | "list" | "number" | "text" | "date";

    options?: string;

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

    display_cardFront?: boolean;

    [k: string]: unknown;

  }

) {

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

  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: "POST",

    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();

}