build: flatten esm5 sources before rollup (#23131)

this is needed to update to latest rules_nodejs due to breaking change in
https://github.com/bazelbuild/rules_nodejs/pull/172
It has the side-effect of correctly marking rxjs packages as side-effect-free

PR Close #23131

.circleci/bazel.rc

@@ -8,6 +8,15 @@ build --noshow_progress
 # Don't run manual tests
 test --test_tag_filters=-manual
 
+# Print all the options that apply to the build.
+# This helps us diagnose which options override others
+# (e.g. /etc/bazel.bazelrc vs. tools/bazel.rc)
+build --announce_rc
+
+# Create dist/bin symlink to $(bazel info bazel-bin)
+# We use this when uploading artifacts after the build finishes
+build --symlink_prefix=dist/
+
 # Enable experimental CircleCI bazel remote cache proxy
 # See remote cache documentation in /docs/BAZEL.md
 build --experimental_remote_spawn_cache --remote_rest_cache=http://localhost:7643

.circleci/config.yml

@@ -88,9 +88,15 @@ jobs:
       - store_artifacts:
           path: dist/bin/packages/core/test/bundling/hello_world/bundle.min.js
           destination: packages/core/test/bundling/hello_world/bundle.min.js
+      - store_artifacts:
+          path: dist/bin/packages/core/test/bundling/todo/bundle.min.js
+          destination: packages/core/test/bundling/todo/bundle.min.js
       - store_artifacts:
           path: dist/bin/packages/core/test/bundling/hello_world/bundle.min.js.brotli
           destination: packages/core/test/bundling/hello_world/bundle.min.js.brotli
+      - store_artifacts:
+          path: dist/bin/packages/core/test/bundling/todo/bundle.min.js.brotli
+          destination: packages/core/test/bundling/todo/bundle.min.js.brotli
 
       - save_cache:
           key: *cache_key