Function fetchComparisonDiff

src/util/github.ts:18–47

(
  owner: string,
  repo: string,
  from: string,
  to: string,
)

}

export async function fetchComparisonDiff(
  owner: string,
  repo: string,
  from: string,
  to: string,
) {
  const client = getRequestClient();

  const response = await client(
    "GET /repos/{owner}/{repo}/compare/{base}...{head}",
    {
      owner,
      repo,
      base: from,
      head: to,
      headers: {
        accept: DIFF_ACCEPT_HEADER,
      },
    },
  );

  const diff = String(response.data);

  if (diff.trim().length === 0)
    throw new Error(
      `GitHub comparison diff for ${owner}/${repo} between ${from} and ${to} was empty.`,
    );

  return diff;
}

export interface CommitDiff {
  sha: string;