Function collectCommitsAsMap

scripts/compare-main-to-patch.js:74–99

* @param rawGitCommits * @returns {Map } - Map of commit message to [commit info, version]

(rawGitCommits)

 * @returns {Map<string, [string, string]>} - Map of commit message to [commit info, version]
 */
function collectCommitsAsMap(rawGitCommits) {
  const commits = toArray(rawGitCommits);
  const commitsMap = new Map();
  let version = initialVersion;
  commits.reverse().forEach((commit) => {
    const ignore = shouldIgnoreCommit(commit, ignoreCommitPatterns);
    // Keep track of the current version while going though the list of commits, so that we can use
    // this information in the output (i.e. display a version when a commit was introduced).
    version = maybeExtractReleaseVersion(commit) || version;
    if (!ignore) {
      // Extract original commit description from commit message, so that we can find matching
      // commit in other commit range. For example, for the following commit message:
      //
      //   15d3e741e9 feat: update the locale files (#33556)
      //
      // we extract only "feat: update the locale files" part and use it as a key, since commit SHA
      // and PR number may be different for the same commit in main and patch branches.
      const key = commit
        .slice(11)
        .replace(/\(\#\d+\)/g, '')
        .trim();
      commitsMap.set(key, [commit, version]);
    }
  });
  return commitsMap;
}

function getCommitInfoAsString(version, commitInfo) {
  const formattedVersion = version === initialVersion ? version : `${version}+`;