[Patch port] fix(core): resolve forward-referenced host directives during directive matching #58500
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…e matching (angular#58492) When the compiler generates the `HostDirectivesFeature`, it generates either an eager call (`ɵɵHostDirectivesFeature([])`) or a lazy call (`ɵɵHostDirectivesFeature(() => [])`. The lazy call is necessary when there are forward references within the `hostDirectives` array. Currently we resolve the lazy variant when the component definition is created which has been enough for most cases, however if the host is injected by one of its host directives, we can run into a reference error because DI is synchronous and the host's class hasn't been defined yet. These changes resolve the issue by pushing the lazy resolution later during directive matching when all classes are guanrateed to exist. Fixes angular#58485. PR Close angular#58492
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I'm disabling PullApprove, because this is just a cherry-pick of #58492. |
pkozlowski-opensource
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This PR was merged into the repository by commit 3aa45a2. The changes were merged into the following branches: 18.2.x |
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…e matching (#58492) (#58500) When the compiler generates the `HostDirectivesFeature`, it generates either an eager call (`ɵɵHostDirectivesFeature([])`) or a lazy call (`ɵɵHostDirectivesFeature(() => [])`. The lazy call is necessary when there are forward references within the `hostDirectives` array. Currently we resolve the lazy variant when the component definition is created which has been enough for most cases, however if the host is injected by one of its host directives, we can run into a reference error because DI is synchronous and the host's class hasn't been defined yet. These changes resolve the issue by pushing the lazy resolution later during directive matching when all classes are guanrateed to exist. Fixes #58485. PR Close #58492 PR Close #58500
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Note: this is a patch port of #58492.
When the compiler generates the
HostDirectivesFeature, it generates either an eager call (ɵɵHostDirectivesFeature([])) or a lazy call (ɵɵHostDirectivesFeature(() => []). The lazy call is necessary when there are forward references within thehostDirectivesarray. Currently we resolve the lazy variant when the component definition is created which has been enough for most cases, however if the host is injected by one of its host directives, we can run into a reference error because DI is synchronous and the host's class hasn't been defined yet.These changes resolve the issue by pushing the lazy resolution later during directive matching when all classes are guanrateed to exist.
Fixes #58485.