Update the transformer's `TemplateCompiler` phase to avoid setting
`reflector.reflectionCapabilities`, allowing asynchronous
operations, and restoring the original value, which allows
`reflector.reflectionCapabilities` to get into a bad state.
Add a type for the `context` field in Dart's pre-generated change
detectors. This requires slight changes to set the dehydrated value of
`context` to `null` rather than `ChangeDetectionUtil.uninitialized()`,
which was its former dehydrated state.
Mirror these chagnes as closely as possible in the
`ChangeDetectionJITGenerator` to allow easier maintenance.
Closes#2070
Use the `ProtoViewDto` created by the render `Compiler` to create a
`ChangeDetectorDefinition`.
From there, generate a subclass of `AbstractChangeDetector` for each
`ChangeDetectorDefinition`.
Run some basic unit tests for the dynamic and JIT change detectors on
pre-generated change detectors.
Update the `TemplateCompile` step to use the full render `Compiler`.
Provide `DirectiveMetadata` for `ViewDefinition` objects and use it to
run the `DirectiveParser` step of the render compile pipeline.
Update `TemplateCompiler` transform step to use abstractions used by the
render `Compiler`. For example, template code is now loaded via an
instance of `TemplateLoader` and external resources are fetched via an
instance of `XHR`.
When a `Template` annotation declares a `url` value, parse it to
generate `getter`s, `setter`s, and `method`s which will it needs to
access reflectively.
