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feat(angular): add Vite HMR with route, dialog, and cache preserve - #161
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Vite client contract and keep the current URL, opt-in dialogs, compiled-component identities, and HmrCacheService across __reboot_ng_modules__ without walking a leftover back-stack.
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# Conflicts: # packages/angular/src/lib/cdk/dialog/native-modal-ref.ts
…ease builds All HMR support now lives in packages/angular/src/lib/hmr (hmr, route, dialog, modal-host, cache). Every entry point outside that folder is guarded by `typeof ngDevMode === 'undefined' || ngDevMode`, so release builds (which define ngDevMode=false) drop it entirely; verified against iOS and Android release bundles of a Vite app. - Features register beforeDispose/afterBootstrap hooks with the reboot instead of application.ts importing the router and NativeDialog subscribing to bootstrap events; removes the eager-instantiator registry and the ReplaySubject change. - Route restore captures router.url at dispose and feeds the start path through provideLocationStrategy instead of overriding START_PATH, so an app-provided START_PATH is no longer clobbered. Route configs are no longer cloned at bootstrap; router caches are cleared at dispose instead. - Dialog restore tracks preserveOnHmr dialogs, drops the destroyed viewContainerRef/injector, and waits for app stability so an edited dialog inside a lazy route reopens with its fresh class. - The modal ContentView wrapper and host-prop mirroring apply only in live HMR sessions; release and plain dev builds present modals exactly as before. - Drops the console.warn NG0912 filter, Angular-core namespace holder, diagnostics counters, redundant boot-complete globals and the import.meta.hot wiring in HmrCacheService (import.meta.hot is always undefined inside the package). - Reverts formatting-only zone-js changes, the NativeDialogModule provider removal, the element registration changes and the NSLocationStrategy and NSRouteReuseStrategy ngOnDestroy changes.
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Summary
Vite HMR support for
@nativescript/angular, built on the@nativescript/viteAngular client contract (__reboot_ng_modules__,__NS_UPDATE_ANGULAR_APP_OPTIONS__,__reset_ng_compiled_components__,__NS_HMR_REGISTER_COMPONENT__)./and are then replayed with a singlenavigateByUrl.isAngularHmrRestoringRoute()lets app start-up navigation stand down while a restore is in progress.preserveOnHmr: truereopen after a reboot without animation, using the freshly edited component class.ɵɵreplaceMetadata) work inside open modals, and changed component styles are re-applied.HmrCacheServiceprovides an app-wide LRU cache that survives reboots. In release builds it is a plain in-memory cache.Dev-only by construction
Everything lives in
packages/angular/src/lib/hmr/:hmr.tsroute.tsdialog.tspreserveOnHmrtracking and reopenmodal-host.tscache.tsHmrCacheServiceEvery call into
lib/hmrfrom elsewhere is guarded bytypeof ngDevMode === 'undefined' || ngDevMode. Release builds definengDevMode=false, so none of this code ships. I checked the iOS and Android release bundles of a Vite app: they contain no HMR globals or hooks.Features plug into the reboot through
beforeDispose/afterBootstraphooks rather than being hard-wired intoapplication.ts. The modalContentViewwrapper is only used during a live HMR session, so release and plain dev builds present modals exactly asmaindoes.Public API:
HmrCacheService,configureHmrCache,isAngularHmrRestoringRoute/getAngularHmrRestoringRoute,NativeDialogConfig.preserveOnHmr.Test plan
npx nx run angular:test(22 specs)ns-duo-guitarHMR lab branch):.tssave on a pushed lazy route keeps the URL and shows the edited componentHmrCacheServicevalues survive a rebootpreserveOnHmrdialog reopens with the fresh class and keeps its data; a default dialog is not restored.htmland.cssedits update an open dialog in placemain, now installed wheneverngDevModeis on)