Create a repository variable

type Github = {

  token: string;

};

/**

 * Create a repository variable

 * Creates a repository variable that you can reference in a GitHub Actions workflow.

You must authenticate using an access token with the `repo` scope to use this endpoint.

GitHub Apps must have the `actions_variables:write` repository permission to use this endpoint.

 */

export async function main(

  auth: Github,

  owner: string,

  repo: string,

  body: { name: string; value: string; [k: string]: unknown }

) {

  const url = new URL(

    `https://api.github.com/repos/${owner}/${repo}/actions/variables`

  );

  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();

}