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{"version":3,"file":"rxjs-interop.mjs","sources":["../../../../../../packages/core/rxjs-interop/src/take_until_destroyed.ts","../../../../../../packages/core/rxjs-interop/src/to_observable.ts","../../../../../../packages/core/rxjs-interop/src/to_signal.ts","../../../../../../packages/core/rxjs-interop/rxjs-interop.ts"],"sourcesContent":["/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {assertInInjectionContext, DestroyRef, inject} from '@angular/core';\nimport {MonoTypeOperatorFunction, Observable} from 'rxjs';\nimport {takeUntil} from 'rxjs/operators';\n\n/**\n * Operator which completes the Observable when the calling context (component, directive, service,\n * etc) is destroyed.\n *\n * @param destroyRef optionally, the `DestroyRef` representing the current context. This can be\n * passed explicitly to use `takeUntilDestroyed` outside of an [injection\n * context](guide/dependency-injection-context). Otherwise, the current `DestroyRef` is injected.\n *\n * @developerPreview\n */\nexport function takeUntilDestroyed<T>(destroyRef?: DestroyRef): MonoTypeOperatorFunction<T> {\n if (!destroyRef) {\n assertInInjectionContext(takeUntilDestroyed);\n destroyRef = inject(DestroyRef);\n }\n\n const destroyed$ = new Observable<void>(observer => {\n const unregisterFn = destroyRef!.onDestroy(observer.next.bind(observer));\n return unregisterFn;\n });\n\n return <T>(source: Observable<T>) => {\n return source.pipe(takeUntil(destroyed$));\n };\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {assertInInjectionContext, DestroyRef, effect, EffectRef, inject, Injector, Signal, untracked} from '@angular/core';\nimport {Observable, ReplaySubject} from 'rxjs';\n\n/**\n * Options for `toObservable`.\n *\n * @developerPreview\n */\nexport interface ToObservableOptions {\n /**\n * The `Injector` to use when creating the underlying `effect` which watches the signal.\n *\n * If this isn't specified, the current [injection context](guide/dependency-injection-context)\n * will be used.\n */\n injector?: Injector;\n}\n\n/**\n * Exposes the value of an Angular `Signal` as an RxJS `Observable`.\n *\n * The signal's value will be propagated into the `Observable`'s subscribers using an `effect`.\n *\n * `toObservable` must be called in an injection context unless an injector is provided via options.\n *\n * @developerPreview\n */\nexport function toObservable<T>(\n source: Signal<T>,\n options?: ToObservableOptions,\n ): Observable<T> {\n !options?.injector && assertInInjectionContext(toObservable);\n const injector = options?.injector ?? inject(Injector);\n const subject = new ReplaySubject<T>(1);\n\n const watcher = effect(() => {\n let value: T;\n try {\n value = source();\n } catch (err) {\n untracked(() => subject.error(err));\n return;\n }\n untracked(() => subject.next(value));\n }, {injector, manualCleanup: true});\n\n injector.get(DestroyRef).onDestroy(() => {\n watcher.destroy();\n subject.complete();\n });\n\n return subject.asObservable();\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {assertInInjectionContext, assertNotInReactiveContext, computed, DestroyRef, inject, Injector, signal, Signal, WritableSignal, ɵRuntimeError, ɵRuntimeErrorCode} from '@angular/core';\nimport {Observable, Subscribable} from 'rxjs';\n\n/**\n * Options for `toSignal`.\n *\n * @publicApi\n */\nexport interface ToSignalOptions {\n /**\n * Initial value for the signal produced by `toSignal`.\n *\n * This will be the value of the signal until the observable emits its first value.\n */\n initialValue?: unknown;\n\n /**\n * Whether to require that the observable emits synchronously when `toSignal` subscribes.\n *\n * If this is `true`, `toSignal` will assert that the observable produces a value immediately upon\n * subscription. Setting this option removes the need to either deal with `undefined` in the\n * signal type or provide an `initialValue`, at the cost of a runtime error if this requirement is\n * not met.\n */\n requireSync?: boolean;\n\n /**\n * `Injector` which will provide the `DestroyRef` used to clean up the Observable subscription.\n *\n * If this is not provided, a `DestroyRef` will be retrieved from the current [injection\n * context](/guide/dependency-injection-context), unless manual cleanup is requested.\n */\n injector?: Injector;\n\n /**\n * Whether the subscription should be automatically cleaned up (via `DestroyRef`) when\n * `toObservable`'s creation context is destroyed.\n *\n * If manual cleanup is enabled, then `DestroyRef` is not used, and the subscription will persist\n * until the `Observable` itself completes.\n */\n manualCleanup?: boolean;\n\n /**\n * Whether `toSignal` should throw errors from the Observable error channel back to RxJS, where\n * they'll be processed as uncaught exceptions.\n *\n * In practice, this means that the signal returned by `toSignal` will keep returning the last\n * good value forever, as Observables which error produce no further values. This option emulates\n * the behavior of the `async` pipe.\n */\n rejectErrors?: boolean;\n}\n\n// Base case: no options -> `undefined` in the result type.\nexport function toSignal<T>(source: Observable<T>|Subscribable<T>): Signal<T|undefined>;\n// Options with `undefined` initial value and no `requiredSync` -> `undefined`.\nexport function toSignal<T>(\n source: Observable<T>|Subscribable<T>,\n options: ToSignalOptions&{initialValue?: undefined, requireSync?: false}): Signal<T|undefined>;\n// Options with `null` initial value -> `null`.\nexport function toSignal<T>(\n source: Observable<T>|Subscribable<T>,\n options: ToSignalOptions&{initialValue?: null, requireSync?: false}): Signal<T|null>;\n// Options with `undefined` initial value and `requiredSync` -> strict result type.\nexport function toSignal<T>(\n source: Observable<T>|Subscribable<T>,\n options: ToSignalOptions&{initialValue?: undefined, requireSync: true}): Signal<T>;\n// Options with a more specific initial value type.\nexport function toSignal<T, const U extends T>(\n source: Observable<T>|Subscribable<T>,\n options: ToSignalOptions&{initialValue: U, requireSync?: false}): Signal<T|U>;\n\n/**\n * Get the current value of an `Observable` as a reactive `Signal`.\n *\n * `toSignal` returns a `Signal` which provides synchronous reactive access to values produced\n * by the given `Observable`, by subscribing to that `Observable`. The returned `Signal` will always\n * have the most recent value emitted by the subscription, and will throw an error if the\n * `Observable` errors.\n *\n * With `requireSync` set to `true`, `toSignal` will assert that the `Observable` produces a value\n * immediately upon subscription. No `initialValue` is needed in this case, and the returned signal\n * does not include an `undefined` type.\n *\n * By default, the subscription will be automatically cleaned up when the current [injection\n * context](/guide/dependency-injection-context) is destroyed. For example, when `toObservable` is\n * called during the construction of a component, the subscription will be cleaned up when the\n * component is destroyed. If an injection context is not available, an explicit `Injector` can be\n * passed instead.\n *\n * If the subscription should persist until the `Observable` itself completes, the `manualCleanup`\n * option can be specified instead, which disables the automatic subscription teardown. No injection\n * context is needed in this configuration as well.\n *\n * @developerPreview\n */\nexport function toSignal<T, U = undefined>(\n source: Observable<T>|Subscribable<T>,\n options?: ToSignalOptions&{initialValue?: U}): Signal<T|U> {\n ngDevMode &&\n assertNotInReactiveContext(\n toSignal,\n 'Invoking `toSignal` causes new subscriptions every time. ' +\n 'Consider moving `toSignal` outside of the reactive context and read the signal value where needed.');\n\n const requiresCleanup = !options?.manualCleanup;\n requiresCleanup && !options?.injector && assertInInjectionContext(toSignal);\n const cleanupRef =\n requiresCleanup ? options?.injector?.get(DestroyRef) ?? inject(DestroyRef) : null;\n\n // Note: T is the Observable value type, and U is the initial value type. They don't have to be\n // the same - the returned signal gives values of type `T`.\n let state: WritableSignal<State<T|U>>;\n if (options?.requireSync) {\n // Initially the signal is in a `NoValue` state.\n state = signal({kind: StateKind.NoValue});\n } else {\n // If an initial value was passed, use it. Otherwise, use `undefined` as the initial value.\n state = signal<State<T|U>>({kind: StateKind.Value, value: options?.initialValue as U});\n }\n\n // Note: This code cannot run inside a reactive context (see assertion above). If we'd support\n // this, we would subscribe to the observable outside of the current reactive context, avoiding\n // that side-effect signal reads/writes are attribute to the current consumer. The current\n // consumer only needs to be notified when the `state` signal changes through the observable\n // subscription. Additional context (related to async pipe):\n // https://github.com/angular/angular/pull/50522.\n const sub = source.subscribe({\n next: value => state.set({kind: StateKind.Value, value}),\n error: error => {\n if (options?.rejectErrors) {\n // Kick the error back to RxJS. It will be caught and rethrown in a macrotask, which causes\n // the error to end up as an uncaught exception.\n throw error;\n }\n state.set({kind: StateKind.Error, error});\n },\n // Completion of the Observable is meaningless to the signal. Signals don't have a concept of\n // \"complete\".\n });\n\n if (ngDevMode && options?.requireSync && state().kind === StateKind.NoValue) {\n throw new ɵRuntimeError(\n ɵRuntimeErrorCode.REQUIRE_SYNC_WITHOUT_SYNC_EMIT,\n '`toSignal()` called with `requireSync` but `Observable` did not emit synchronously.');\n }\n\n // Unsubscribe when the current context is destroyed, if requested.\n cleanupRef?.onDestroy(sub.unsubscribe.bind(sub));\n\n // The actual returned signal is a `computed` of the `State` signal, which maps the various states\n // to either values or errors.\n return computed(() => {\n const current = state();\n switch (current.kind) {\n case StateKind.Value:\n return current.value;\n case StateKind.Error:\n throw current.error;\n case StateKind.NoValue:\n // This shouldn't really happen because the error is thrown on creation.\n // TODO(alxhub): use a RuntimeError when we finalize the error semantics\n throw new ɵRuntimeError(\n ɵRuntimeErrorCode.REQUIRE_SYNC_WITHOUT_SYNC_EMIT,\n '`toSignal()` called with `requireSync` but `Observable` did not emit synchronously.');\n }\n });\n}\n\nconst enum StateKind {\n NoValue,\n Value,\n Error,\n}\n\ninterface NoValueState {\n kind: StateKind.NoValue;\n}\n\ninterface ValueState<T> {\n kind: StateKind.Value;\n value: T;\n}\n\ninterface ErrorState {\n kind: StateKind.Error;\n error: unknown;\n}\n\ntype State<T> = NoValueState|ValueState<T>|ErrorState;\n","/**\n * Generated bundle index. 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