Previously, ngcc had to walk the entire `node_modules` tree looking for entry-points, even if it only needed to process a single target entry-point and its dependencies. This added up to a few seconds to each execution of ngcc, which is noticeable when being run via the CLI integration. Now, if an entry-point target is provided, only that target and its entry-points are considered rather than the whole folder tree. PR Close #30525
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