Assign an Alias

//native

type Vercel = {

  token: string;

};

/**

 * Assign an Alias

 * Creates a new alias for the deployment with the given deployment ID. The authenticated user or team must own this deployment. If the desired alias is already assigned to another deployment, then it will be removed from the old deployment and assigned to the new one.

 */

export async function main(

  auth: Vercel,

  id: string,

  teamId: string | undefined,

  slug: string | undefined,

  body: { alias?: string; redirect?: string },

) {

  const url = new URL(`https://api.vercel.com/v2/deployments/${id}/aliases`);

  for (const [k, v] of [

    ["teamId", teamId],

    ["slug", slug],

  ]) {

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

      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();

}