getRepoBranchCommitMapping.js

import fetch from 'node-fetch';


async function fetchLatestCommit(datasetId, branch) {
  const token = process.env.GITHUB_TOKEN;
  const url = `https://api.github.com/repos/${datasetId}/commits/${branch}`;
  const headers = token ? { Authorization: `token ${token}` } : {};

  const response = await fetch(url, { headers });

  if (!response.ok)
    throw new Error(`Failed to fetch commit for branch ${branch}: ${response.statusText}`);

  const commitData = await response.json();
  return [branch, commitData.sha];
}

export async function getRepoBranchCommitMapping(datasetId, branches) {
  const promises = branches.map(branch => fetchLatestCommit(datasetId, branch));
  const array = await Promise.all(promises);
  return Object.fromEntries(array);
}