This commit significantly refactors the 'typecheck' package to introduce a new abstraction, the `TemplateTypeChecker`. To achieve this: * a 'typecheck:api' package is introduced, containing common interfaces that consumers of the template type-checking infrastructure can depend on without incurring a dependency on the template type-checking machinery as a whole. * interfaces for `TemplateTypeChecker` and `TypeCheckContext` are introduced which contain the abstract operations supported by the implementation classes `TemplateTypeCheckerImpl` and `TypeCheckContextImpl` respectively. * the `TemplateTypeChecker` interface supports diagnostics on a whole program basis to start with, but the implementation is purposefully designed to support incremental diagnostics at a per-file or per-component level. * `TemplateTypeChecker` supports direct access to the type check block of a component. * the testing utility is refactored to be a lot more useful, and new tests are added for the new abstraction. PR Close #38105
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