eb74a96935
The partial declaration of a component includes the list of directives that are used in its template, including some metadata of the directive which can be used during actual compilation of the component. Used components are currently part of this list, as components are also directives. This commit splits the used components into a dedicate property in the partial declaration, which allows for template compilation to optimize the generated code for components. PR Close #41104 |
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README.md
Angular Linker
This package contains a FileLinker and supporting code to be able to "link" partial declarations of components, directives, etc in libraries to produce the full definitions.
The partial declaration format allows library packages to be published to npm without exposing the underlying Ivy instructions.
The tooling here allows application build tools (e.g. CLI) to produce fully compiled components, directives, etc at the point when the application is bundled.
These linked files can be cached outside node_modules so it does not suffer from problems of mutating packages in node_modules.
Generally this tooling will be wrapped in a transpiler specific plugin, such as the provided Babel plugin.
Unit Testing
The unit tests are built and run using Bazel:
yarn bazel test //packages/compiler-cli/linker/test