Create a review comment for a pull request

type Github = {

  token: string;

};

/**

 * Create a review comment for a pull request

 * 

Creates a review comment in the pull request diff.

 */

export async function main(

  auth: Github,

  owner: string,

  repo: string,

  pull_number: string,

  body: {

    body: string;

    commit_id: string;

    in_reply_to?: number;

    line: number;

    path: string;

    position?: number;

    side?: "LEFT" | "RIGHT";

    start_line?: number;

    start_side?: "LEFT" | "RIGHT" | "side";

    [k: string]: unknown;

  }

) {

  const url = new URL(

    `https://api.github.com/repos/${owner}/${repo}/pulls/${pull_number}/comments`

  );

  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();

}