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fix(dashboard): keep other EPG scopes when one is retired mid-tick

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forkJoin emits nothing when one input completes without a value, which is exactly what the EPG source-change guard does to an in-flight lookup. One retired or failing scope would therefore blank every other scope's answer for that tick; each group now contributes an empty map instead.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
This commit is contained in:
4grayandClaude Opus 5 committed 2026-09-20 20:16:40 +02:00
1 parent 14d45b9c4c
commit 6579151dcf
1 file changed
+34 -2
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libs/workspace/dashboard/feature/src/lib/rails/workspace-dashboard-rails.component.ts
+34 -2
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@@ -8,7 +8,16 @@ import {
untracked,
} from '@angular/core';
import { toObservable, toSignal } from '@angular/core/rxjs-interop';
import { forkJoin, interval, map, of, startWith, switchMap } from 'rxjs';
import {
catchError,
defaultIfEmpty,
forkJoin,
interval,
map,
of,
startWith,
switchMap,
} from 'rxjs';
import { EpgService } from '@iptvnator/epg/data-access';
import {
type EpgProgram,
@@ -340,7 +349,30 @@ export class WorkspaceDashboardRailsComponent {
map((programs) => ({
scopeKey: group.scopeKey,
programs,
}))
})),
// One scope retired by an EPG
// source change, or failing,
// must not blank every other
// scope's answer for the tick:
// `forkJoin` emits nothing at
// all when one input completes
// empty.
defaultIfEmpty({
scopeKey: group.scopeKey,
programs: new Map<
string,
EpgProgram | null
>(),
}),
catchError(() =>
of({
scopeKey: group.scopeKey,
programs: new Map<
string,
EpgProgram | null
>(),
})
)
)
)
).pipe(