Function reportBundleSize

build-system/tasks/bundle-size/index.js:182–222

* Report the size to the bundle-size GitHub App, to determine size changes. * @return {Promise }

()

 * @return {Promise<void>}
 */
async function reportBundleSize() {
  if (isPullRequestBuild()) {
    const headSha = gitCommitHash();
    const baseSha = gitCiMainBaseline();
    const mergeSha = circleciPrMergeCommit();
    log(
      'Reporting bundle sizes for commit',
      cyan(shortSha(headSha)),
      'using baseline commit',
      cyan(shortSha(baseSha)),
      'and merge commit',
      cyan(shortSha(mergeSha)) + '...'
    );
    try {
      const response = await postJson(
        url.resolve(
          bundleSizeAppBaseUrl,
          path.join('commit', headSha, 'report')
        ),
        {
          baseSha,
          mergeSha,
          bundleSizes: await getBrotliBundleSizes(),
        }
      );
      await checkResponse(response, 'Successfully reported bundle sizes.');
    } catch (error) {
      log(
        yellow('WARNING:'),
        'Could not report the bundle sizes for this pull request'
      );
      logWithoutTimestamp(error);
      return;
    }
  } else {
    log(
      yellow('WARNING:'),
      'Bundle sizes from pull requests can be reported only during CI builds'
    );
  }
}

/**
 * @return {Promise<void>}