message: Fiddly restructuring of invocation chain in _generateBundleManifest for readability.
diff: @@ -280,11 +280,13 @@ export class Bundler {
  if (!mapper) {
  mapper = bundleManifestLib.sharedBundleUrlMapper;
  }
  - const bundles = bundleManifestLib.generateBundles(
  - (await depsIndexLib.buildDepsIndex(entrypoints, this.analyzer))
  - .entrypointToDeps);
  - return new BundleManifest(
  - strategy(this._filterExcludesFromBundles(bundles)), mapper);
  + const dependencyIndex =
  + await depsIndexLib.buildDepsIndex(entrypoints, this.analyzer);
  + let bundles =
  + bundleManifestLib.generateBundles(dependencyIndex.entrypointToDeps);
  + bundles = this._filterExcludesFromBundles(bundles);
  + bundles = strategy(bundles);
  + return new BundleManifest(bundles, mapper);
  }
  /**
  