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Pete Bacon Darwin e3db0385b6 fix(compiler): ensure that partially compiled queries can handle forward references (#44124 )

When a partially compiled component or directive is "linked" in JIT mode, the body
of its declaration is evaluated by the JavaScript runtime. If a class is referenced
in a query (e.g. `ViewQuery` or `ContentQuery`) but its definition is later in the
file, then the reference must be wrapped in a `forwardRef()` call.

Previously, query predicates were not wrapped correctly in partial declarations
causing the code to crash at runtime. In AOT mode, this code is never evaluated
but instead transformed as part of the build, so this bug did not become apparent
until Angular Material started running JIT mode tests on its distributable output.

This change fixes this problem by noting when queries are wrapped in `forwardRef()`
calls and ensuring that this gets passed through to partial compilation declarations
and then suitably stripped during linking.

See angular/components#23882 and angular/components#23907

PR Close #44124

2021-11-16 09:50:05 -08:00

babel

fix(compiler-cli): expose the linker as a Babel plugin (#41918 )

2021-05-04 12:43:00 -07:00

src

fix(compiler): ensure that partially compiled queries can handle forward references (#44124 )

2021-11-16 09:50:05 -08:00

test

fix(compiler-cli): allow linker to process minified booleans (#41747 )

2021-04-22 10:43:08 -07:00

BUILD.bazel

refactor(compiler-cli): support external template source-mapping when linking (#40237 )

2021-01-07 13:12:53 -08:00

index.ts

refactor(compiler-cli): implement ɵɵngDeclareNgModule and ɵɵngDeclareInjector (#41080 )

2021-03-15 13:26:51 -07:00

README.md

refactor(compiler-cli): linker - add Babel plugin, FileLinker and initial PartialLinkers (#39116 )

2020-10-19 11:23:45 -07:00

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