Get a diff of the dependencies between commits

type Github = {

  token: string;

};

/**

 * Get a diff of the dependencies between commits

 * Gets the diff of the dependency changes between two commits of a repository, based on the changes to the dependency manifests made in those commits.

 */

export async function main(

  auth: Github,

  owner: string,

  repo: string,

  basehead: string,

  name: string | undefined

) {

  const url = new URL(

    `https://api.github.com/repos/${owner}/${repo}/dependency-graph/compare/${basehead}`

  );

  for (const [k, v] of [["name", name]]) {

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

      url.searchParams.append(k, v);

    }

  }

  const response = await fetch(url, {

    method: "GET",

    headers: {

      Authorization: "Bearer " + auth.token,

    },

    body: undefined,

  });

  if (!response.ok) {

    const text = await response.text();

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

  }

  return await response.json();

}