Function getExpectedVersionFromPnpmLockUpstream

ng-dev/utils/version-check.ts:71–102

Retrieves the pnpm lock file from upstream on the primary branch and extracts the version.

()

/** Retrieves the pnpm lock file from upstream on the primary branch and extracts the version. */
async function getExpectedVersionFromPnpmLockUpstream(): Promise<string> {
  const git = await GitClient.get();
  try {
    const {data} = await git.github.repos.getContent({
      repo: git.remoteConfig.name,
      owner: git.remoteConfig.owner,
      ref: git.remoteConfig.mainBranchName,
      // This media type ensures requested files come back as the raw content.
      mediaType: {format: 'application/vnd.github.raw+json'},
      path: 'pnpm-lock.yaml',
    });
    if (Array.isArray(data) || data.type !== 'file') {
      throw Error(
        `A non-single file of content was retrieved from Github when the pnpm-lock.yaml file was requested`,
      );
    }
    const lockFile = parseYaml(
      Buffer.from(data.content, data.encoding as BufferEncoding).toString('utf-8'),
    );
    const importers = lockFile['importers']['.'];
    const depEntry =
      importers.dependencies?.['@angular/ng-dev'] ??
      importers.devDependencies?.['@angular/ng-dev'] ??
      importers.optionalDependencies?.['@angular/ng-dev'];
    const packageId = tryGetPackageId(depEntry.version);

    return lockFile['packages'][`@angular/ng-dev@${packageId}`].version;
  } catch (e) {
    Log.debug('Could not find expected ng-dev version from `pnpm-lock.yaml` file:', e);
    return 'unknown';
  }
}