9d9c9e43e544ac2ecf74e20d31ba3bd1064db6c9 has been created a few days ago and wasn't rebased on top of recent changes that introduces a commonjs host. This means that tests for the commonjs host haven't been updated to work with the changes from from #30492 and now fail in `master`. PR Close #30967
Angular Compatibility Compiler (ngcc)
This compiler will convert node_modules compiled with ngc, into node_modules which
appear to have been compiled with ngtsc.
This conversion will allow such "legacy" packages to be used by the Ivy rendering engine.
Building
The project is built using Bazel:
yarn bazel build //packages/compiler-cli/ngcc
Unit Testing
The unit tests are built and run using Bazel:
yarn bazel test //packages/compiler-cli/ngcc/test
Integration Testing
There are tests that check the behavior of the overall executable:
yarn bazel test //packages/compiler-cli/ngcc/test:integration