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fix(core): hold constructors weakly in DepsTracker cache

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Otherwise a component can be held in memory longer than
the component constructor is reachable from application code.

(cherry picked from commit cab5ddd526)
This commit is contained in:
David Neil
2026-01-28 17:30:19 -07:00
committed by Leon Senft
parent f15d33d68b
commit 2cf4da0ea1
1 changed files with 6 additions and 3 deletions
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packages/core/src/render3/deps_tracker/deps_tracker.ts
+6 -3
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@@ -31,10 +31,13 @@ import {
* An implementation of DepsTrackerApi which will be used for JIT and local compilation.
*/
class DepsTracker implements DepsTrackerApi {
private ownerNgModule = new Map<ComponentType<any>, NgModuleType<any>>();
private ownerNgModule = new WeakMap<ComponentType<any>, NgModuleType<any>>();
private ngModulesWithSomeUnresolvedDecls = new Set<NgModuleType<any>>();
private ngModulesScopeCache = new Map<NgModuleType<any>, NgModuleScope>();
private standaloneComponentsScopeCache = new Map<ComponentType<any>, StandaloneComponentScope>();
private ngModulesScopeCache = new WeakMap<NgModuleType<any>, NgModuleScope>();
private standaloneComponentsScopeCache = new WeakMap<
ComponentType<any>,
StandaloneComponentScope
>();
/**
* Attempts to resolve ng module's forward ref declarations as much as possible and add them to