When using the `NewEntryPointWriter` we copy unmodified files over to the new entry-point in addition to writing out the source files that are processed by ngcc. But we were not copying over associated source-map files for these unmodified source files, leading to warnings in downstream tooling. Now we will also copy over source-maps that reside as siblings of unmodified source files. We have to make sure that the sources of the source-map point to the correct files, so we also update the `sourceRoot` property of the copied source-map. Fixes #40358 PR Close #40429
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