Function updateAssets

adev/scripts/update-cross-repo-docs/update-assets.mjs:27–150

({repo, assetsPath, destPath})

import {GithubClient} from './github-client.mjs';

export async function updateAssets({repo, assetsPath, destPath}) {
  console.log('\n-----------------------------------------------');
  console.log(`Processing: ${repo}`);
  console.log('-----------------------------------------------\n');

  const buildInfoPath = join(destPath, '_build-info.json');
  if (!existsSync(buildInfoPath)) {
    throw new Error(`${buildInfoPath} does not exist.`);
  }

  assert(process.env.GITHUB_REF);
  const currentBranch = process.env.GITHUB_REF;

  const {sha: storedSha, branchName: storedBranch} = JSON.parse(
    await readFile(buildInfoPath, 'utf-8'),
  );

  const shaRegex = /^[0-9a-f]{40}$/i;
  const branchRegex = /^(?!.*\.\.)[a-zA-Z0-9/_.-]+$/;

  if (!shaRegex.test(storedSha)) {
    throw new Error(`Invalid SHA in build info: ${storedSha}`);
  }
  if (!branchRegex.test(storedBranch)) {
    throw new Error(`Invalid branch name in build info: ${storedBranch}`);
  }

  assert(process.env.ANGULAR_READONLY_GITHUB_TOKEN);
  const githubApi = new GithubClient(
    repo,
    process.env.ANGULAR_READONLY_GITHUB_TOKEN,
    'ADEV_Cross_Repo_Docs_Update',
  );

  let downstreamBranch = currentBranch;
  let latestSha = await githubApi.getShaForBranch(currentBranch);
  if (
    latestSha.includes('No commit') &&
    currentBranch !== 'refs/heads/main' &&
    currentBranch !== storedBranch
  ) {
    // In some cases, such as when a new branch is created for a feature,
    // the branch may not exist in the downstream repo. For example, during an
    // exceptional minor release (e.g. FW 20.3.x and Components: 20.2.x).
    // In such scenarios, we fallback to the last known branch.
    latestSha = await githubApi.getShaForBranch(storedBranch);
    downstreamBranch = storedBranch;
  }

  if (!shaRegex.test(latestSha)) {
    throw new Error(`Invalid SHA resolved: ${latestSha}`);
  }

  console.log(`Comparing ${storedSha}...${latestSha}.`);
  const affectedFiles = await githubApi.getAffectedFiles(storedSha, latestSha);
  const changedFiles = affectedFiles.filter((file) => file.startsWith(`${assetsPath}/`));

  let shaWhenFilesChanged;