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node_modules/@angular/core/fesm2022/primitives/signals.mjs

@@ -0,0 +1,564 @@
+/**
+ * @license Angular v18.2.10
+ * (c) 2010-2024 Google LLC. https://angular.io/
+ * License: MIT
+ */
+
+/**
+ * The default equality function used for `signal` and `computed`, which uses referential equality.
+ */
+function defaultEquals(a, b) {
+    return Object.is(a, b);
+}
+
+/**
+ * The currently active consumer `ReactiveNode`, if running code in a reactive context.
+ *
+ * Change this via `setActiveConsumer`.
+ */
+let activeConsumer = null;
+let inNotificationPhase = false;
+/**
+ * Global epoch counter. Incremented whenever a source signal is set.
+ */
+let epoch = 1;
+/**
+ * Symbol used to tell `Signal`s apart from other functions.
+ *
+ * This can be used to auto-unwrap signals in various cases, or to auto-wrap non-signal values.
+ */
+const SIGNAL = /* @__PURE__ */ Symbol('SIGNAL');
+function setActiveConsumer(consumer) {
+    const prev = activeConsumer;
+    activeConsumer = consumer;
+    return prev;
+}
+function getActiveConsumer() {
+    return activeConsumer;
+}
+function isInNotificationPhase() {
+    return inNotificationPhase;
+}
+function isReactive(value) {
+    return value[SIGNAL] !== undefined;
+}
+const REACTIVE_NODE = {
+    version: 0,
+    lastCleanEpoch: 0,
+    dirty: false,
+    producerNode: undefined,
+    producerLastReadVersion: undefined,
+    producerIndexOfThis: undefined,
+    nextProducerIndex: 0,
+    liveConsumerNode: undefined,
+    liveConsumerIndexOfThis: undefined,
+    consumerAllowSignalWrites: false,
+    consumerIsAlwaysLive: false,
+    producerMustRecompute: () => false,
+    producerRecomputeValue: () => { },
+    consumerMarkedDirty: () => { },
+    consumerOnSignalRead: () => { },
+};
+/**
+ * Called by implementations when a producer's signal is read.
+ */
+function producerAccessed(node) {
+    if (inNotificationPhase) {
+        throw new Error(typeof ngDevMode !== 'undefined' && ngDevMode
+            ? `Assertion error: signal read during notification phase`
+            : '');
+    }
+    if (activeConsumer === null) {
+        // Accessed outside of a reactive context, so nothing to record.
+        return;
+    }
+    activeConsumer.consumerOnSignalRead(node);
+    // This producer is the `idx`th dependency of `activeConsumer`.
+    const idx = activeConsumer.nextProducerIndex++;
+    assertConsumerNode(activeConsumer);
+    if (idx < activeConsumer.producerNode.length && activeConsumer.producerNode[idx] !== node) {
+        // There's been a change in producers since the last execution of `activeConsumer`.
+        // `activeConsumer.producerNode[idx]` holds a stale dependency which will be be removed and
+        // replaced with `this`.
+        //
+        // If `activeConsumer` isn't live, then this is a no-op, since we can replace the producer in
+        // `activeConsumer.producerNode` directly. However, if `activeConsumer` is live, then we need
+        // to remove it from the stale producer's `liveConsumer`s.
+        if (consumerIsLive(activeConsumer)) {
+            const staleProducer = activeConsumer.producerNode[idx];
+            producerRemoveLiveConsumerAtIndex(staleProducer, activeConsumer.producerIndexOfThis[idx]);
+            // At this point, the only record of `staleProducer` is the reference at
+            // `activeConsumer.producerNode[idx]` which will be overwritten below.
+        }
+    }
+    if (activeConsumer.producerNode[idx] !== node) {
+        // We're a new dependency of the consumer (at `idx`).
+        activeConsumer.producerNode[idx] = node;
+        // If the active consumer is live, then add it as a live consumer. If not, then use 0 as a
+        // placeholder value.
+        activeConsumer.producerIndexOfThis[idx] = consumerIsLive(activeConsumer)
+            ? producerAddLiveConsumer(node, activeConsumer, idx)
+            : 0;
+    }
+    activeConsumer.producerLastReadVersion[idx] = node.version;
+}
+/**
+ * Increment the global epoch counter.
+ *
+ * Called by source producers (that is, not computeds) whenever their values change.
+ */
+function producerIncrementEpoch() {
+    epoch++;
+}
+/**
+ * Ensure this producer's `version` is up-to-date.
+ */
+function producerUpdateValueVersion(node) {
+    if (consumerIsLive(node) && !node.dirty) {
+        // A live consumer will be marked dirty by producers, so a clean state means that its version
+        // is guaranteed to be up-to-date.
+        return;
+    }
+    if (!node.dirty && node.lastCleanEpoch === epoch) {
+        // Even non-live consumers can skip polling if they previously found themselves to be clean at
+        // the current epoch, since their dependencies could not possibly have changed (such a change
+        // would've increased the epoch).
+        return;
+    }
+    if (!node.producerMustRecompute(node) && !consumerPollProducersForChange(node)) {
+        // None of our producers report a change since the last time they were read, so no
+        // recomputation of our value is necessary, and we can consider ourselves clean.
+        node.dirty = false;
+        node.lastCleanEpoch = epoch;
+        return;
+    }
+    node.producerRecomputeValue(node);
+    // After recomputing the value, we're no longer dirty.
+    node.dirty = false;
+    node.lastCleanEpoch = epoch;
+}
+/**
+ * Propagate a dirty notification to live consumers of this producer.
+ */
+function producerNotifyConsumers(node) {
+    if (node.liveConsumerNode === undefined) {
+        return;
+    }
+    // Prevent signal reads when we're updating the graph
+    const prev = inNotificationPhase;
+    inNotificationPhase = true;
+    try {
+        for (const consumer of node.liveConsumerNode) {
+            if (!consumer.dirty) {
+                consumerMarkDirty(consumer);
+            }
+        }
+    }
+    finally {
+        inNotificationPhase = prev;
+    }
+}
+/**
+ * Whether this `ReactiveNode` in its producer capacity is currently allowed to initiate updates,
+ * based on the current consumer context.
+ */
+function producerUpdatesAllowed() {
+    return activeConsumer?.consumerAllowSignalWrites !== false;
+}
+function consumerMarkDirty(node) {
+    node.dirty = true;
+    producerNotifyConsumers(node);
+    node.consumerMarkedDirty?.(node);
+}
+/**
+ * Prepare this consumer to run a computation in its reactive context.
+ *
+ * Must be called by subclasses which represent reactive computations, before those computations
+ * begin.
+ */
+function consumerBeforeComputation(node) {
+    node && (node.nextProducerIndex = 0);
+    return setActiveConsumer(node);
+}
+/**
+ * Finalize this consumer's state after a reactive computation has run.
+ *
+ * Must be called by subclasses which represent reactive computations, after those computations
+ * have finished.
+ */
+function consumerAfterComputation(node, prevConsumer) {
+    setActiveConsumer(prevConsumer);
+    if (!node ||
+        node.producerNode === undefined ||
+        node.producerIndexOfThis === undefined ||
+        node.producerLastReadVersion === undefined) {
+        return;
+    }
+    if (consumerIsLive(node)) {
+        // For live consumers, we need to remove the producer -> consumer edge for any stale producers
+        // which weren't dependencies after the recomputation.
+        for (let i = node.nextProducerIndex; i < node.producerNode.length; i++) {
+            producerRemoveLiveConsumerAtIndex(node.producerNode[i], node.producerIndexOfThis[i]);
+        }
+    }
+    // Truncate the producer tracking arrays.
+    // Perf note: this is essentially truncating the length to `node.nextProducerIndex`, but
+    // benchmarking has shown that individual pop operations are faster.
+    while (node.producerNode.length > node.nextProducerIndex) {
+        node.producerNode.pop();
+        node.producerLastReadVersion.pop();
+        node.producerIndexOfThis.pop();
+    }
+}
+/**
+ * Determine whether this consumer has any dependencies which have changed since the last time
+ * they were read.
+ */
+function consumerPollProducersForChange(node) {
+    assertConsumerNode(node);
+    // Poll producers for change.
+    for (let i = 0; i < node.producerNode.length; i++) {
+        const producer = node.producerNode[i];
+        const seenVersion = node.producerLastReadVersion[i];
+        // First check the versions. A mismatch means that the producer's value is known to have
+        // changed since the last time we read it.
+        if (seenVersion !== producer.version) {
+            return true;
+        }
+        // The producer's version is the same as the last time we read it, but it might itself be
+        // stale. Force the producer to recompute its version (calculating a new value if necessary).
+        producerUpdateValueVersion(producer);
+        // Now when we do this check, `producer.version` is guaranteed to be up to date, so if the
+        // versions still match then it has not changed since the last time we read it.
+        if (seenVersion !== producer.version) {
+            return true;
+        }
+    }
+    return false;
+}
+/**
+ * Disconnect this consumer from the graph.
+ */
+function consumerDestroy(node) {
+    assertConsumerNode(node);
+    if (consumerIsLive(node)) {
+        // Drop all connections from the graph to this node.
+        for (let i = 0; i < node.producerNode.length; i++) {
+            producerRemoveLiveConsumerAtIndex(node.producerNode[i], node.producerIndexOfThis[i]);
+        }
+    }
+    // Truncate all the arrays to drop all connection from this node to the graph.
+    node.producerNode.length =
+        node.producerLastReadVersion.length =
+            node.producerIndexOfThis.length =
+                0;
+    if (node.liveConsumerNode) {
+        node.liveConsumerNode.length = node.liveConsumerIndexOfThis.length = 0;
+    }
+}
+/**
+ * Add `consumer` as a live consumer of this node.
+ *
+ * Note that this operation is potentially transitive. If this node becomes live, then it becomes
+ * a live consumer of all of its current producers.
+ */
+function producerAddLiveConsumer(node, consumer, indexOfThis) {
+    assertProducerNode(node);
+    if (node.liveConsumerNode.length === 0 && isConsumerNode(node)) {
+        // When going from 0 to 1 live consumers, we become a live consumer to our producers.
+        for (let i = 0; i < node.producerNode.length; i++) {
+            node.producerIndexOfThis[i] = producerAddLiveConsumer(node.producerNode[i], node, i);
+        }
+    }
+    node.liveConsumerIndexOfThis.push(indexOfThis);
+    return node.liveConsumerNode.push(consumer) - 1;
+}
+/**
+ * Remove the live consumer at `idx`.
+ */
+function producerRemoveLiveConsumerAtIndex(node, idx) {
+    assertProducerNode(node);
+    if (typeof ngDevMode !== 'undefined' && ngDevMode && idx >= node.liveConsumerNode.length) {
+        throw new Error(`Assertion error: active consumer index ${idx} is out of bounds of ${node.liveConsumerNode.length} consumers)`);
+    }
+    if (node.liveConsumerNode.length === 1 && isConsumerNode(node)) {
+        // When removing the last live consumer, we will no longer be live. We need to remove
+        // ourselves from our producers' tracking (which may cause consumer-producers to lose
+        // liveness as well).
+        for (let i = 0; i < node.producerNode.length; i++) {
+            producerRemoveLiveConsumerAtIndex(node.producerNode[i], node.producerIndexOfThis[i]);
+        }
+    }
+    // Move the last value of `liveConsumers` into `idx`. Note that if there's only a single
+    // live consumer, this is a no-op.
+    const lastIdx = node.liveConsumerNode.length - 1;
+    node.liveConsumerNode[idx] = node.liveConsumerNode[lastIdx];
+    node.liveConsumerIndexOfThis[idx] = node.liveConsumerIndexOfThis[lastIdx];
+    // Truncate the array.
+    node.liveConsumerNode.length--;
+    node.liveConsumerIndexOfThis.length--;
+    // If the index is still valid, then we need to fix the index pointer from the producer to this
+    // consumer, and update it from `lastIdx` to `idx` (accounting for the move above).
+    if (idx < node.liveConsumerNode.length) {
+        const idxProducer = node.liveConsumerIndexOfThis[idx];
+        const consumer = node.liveConsumerNode[idx];
+        assertConsumerNode(consumer);
+        consumer.producerIndexOfThis[idxProducer] = idx;
+    }
+}
+function consumerIsLive(node) {
+    return node.consumerIsAlwaysLive || (node?.liveConsumerNode?.length ?? 0) > 0;
+}
+function assertConsumerNode(node) {
+    node.producerNode ??= [];
+    node.producerIndexOfThis ??= [];
+    node.producerLastReadVersion ??= [];
+}
+function assertProducerNode(node) {
+    node.liveConsumerNode ??= [];
+    node.liveConsumerIndexOfThis ??= [];
+}
+function isConsumerNode(node) {
+    return node.producerNode !== undefined;
+}
+
+/**
+ * Create a computed signal which derives a reactive value from an expression.
+ */
+function createComputed(computation) {
+    const node = Object.create(COMPUTED_NODE);
+    node.computation = computation;
+    const computed = () => {
+        // Check if the value needs updating before returning it.
+        producerUpdateValueVersion(node);
+        // Record that someone looked at this signal.
+        producerAccessed(node);
+        if (node.value === ERRORED) {
+            throw node.error;
+        }
+        return node.value;
+    };
+    computed[SIGNAL] = node;
+    return computed;
+}
+/**
+ * A dedicated symbol used before a computed value has been calculated for the first time.
+ * Explicitly typed as `any` so we can use it as signal's value.
+ */
+const UNSET = /* @__PURE__ */ Symbol('UNSET');
+/**
+ * A dedicated symbol used in place of a computed signal value to indicate that a given computation
+ * is in progress. Used to detect cycles in computation chains.
+ * Explicitly typed as `any` so we can use it as signal's value.
+ */
+const COMPUTING = /* @__PURE__ */ Symbol('COMPUTING');
+/**
+ * A dedicated symbol used in place of a computed signal value to indicate that a given computation
+ * failed. The thrown error is cached until the computation gets dirty again.
+ * Explicitly typed as `any` so we can use it as signal's value.
+ */
+const ERRORED = /* @__PURE__ */ Symbol('ERRORED');
+// Note: Using an IIFE here to ensure that the spread assignment is not considered
+// a side-effect, ending up preserving `COMPUTED_NODE` and `REACTIVE_NODE`.
+// TODO: remove when https://github.com/evanw/esbuild/issues/3392 is resolved.
+const COMPUTED_NODE = /* @__PURE__ */ (() => {
+    return {
+        ...REACTIVE_NODE,
+        value: UNSET,
+        dirty: true,
+        error: null,
+        equal: defaultEquals,
+        producerMustRecompute(node) {
+            // Force a recomputation if there's no current value, or if the current value is in the
+            // process of being calculated (which should throw an error).
+            return node.value === UNSET || node.value === COMPUTING;
+        },
+        producerRecomputeValue(node) {
+            if (node.value === COMPUTING) {
+                // Our computation somehow led to a cyclic read of itself.
+                throw new Error('Detected cycle in computations.');
+            }
+            const oldValue = node.value;
+            node.value = COMPUTING;
+            const prevConsumer = consumerBeforeComputation(node);
+            let newValue;
+            try {
+                newValue = node.computation();
+            }
+            catch (err) {
+                newValue = ERRORED;
+                node.error = err;
+            }
+            finally {
+                consumerAfterComputation(node, prevConsumer);
+            }
+            if (oldValue !== UNSET &&
+                oldValue !== ERRORED &&
+                newValue !== ERRORED &&
+                node.equal(oldValue, newValue)) {
+                // No change to `valueVersion` - old and new values are
+                // semantically equivalent.
+                node.value = oldValue;
+                return;
+            }
+            node.value = newValue;
+            node.version++;
+        },
+    };
+})();
+
+function defaultThrowError() {
+    throw new Error();
+}
+let throwInvalidWriteToSignalErrorFn = defaultThrowError;
+function throwInvalidWriteToSignalError() {
+    throwInvalidWriteToSignalErrorFn();
+}
+function setThrowInvalidWriteToSignalError(fn) {
+    throwInvalidWriteToSignalErrorFn = fn;
+}
+
+/**
+ * If set, called after `WritableSignal`s are updated.
+ *
+ * This hook can be used to achieve various effects, such as running effects synchronously as part
+ * of setting a signal.
+ */
+let postSignalSetFn = null;
+/**
+ * Create a `Signal` that can be set or updated directly.
+ */
+function createSignal(initialValue) {
+    const node = Object.create(SIGNAL_NODE);
+    node.value = initialValue;
+    const getter = (() => {
+        producerAccessed(node);
+        return node.value;
+    });
+    getter[SIGNAL] = node;
+    return getter;
+}
+function setPostSignalSetFn(fn) {
+    const prev = postSignalSetFn;
+    postSignalSetFn = fn;
+    return prev;
+}
+function signalGetFn() {
+    producerAccessed(this);
+    return this.value;
+}
+function signalSetFn(node, newValue) {
+    if (!producerUpdatesAllowed()) {
+        throwInvalidWriteToSignalError();
+    }
+    if (!node.equal(node.value, newValue)) {
+        node.value = newValue;
+        signalValueChanged(node);
+    }
+}
+function signalUpdateFn(node, updater) {
+    if (!producerUpdatesAllowed()) {
+        throwInvalidWriteToSignalError();
+    }
+    signalSetFn(node, updater(node.value));
+}
+function runPostSignalSetFn() {
+    postSignalSetFn?.();
+}
+// Note: Using an IIFE here to ensure that the spread assignment is not considered
+// a side-effect, ending up preserving `COMPUTED_NODE` and `REACTIVE_NODE`.
+// TODO: remove when https://github.com/evanw/esbuild/issues/3392 is resolved.
+const SIGNAL_NODE = /* @__PURE__ */ (() => {
+    return {
+        ...REACTIVE_NODE,
+        equal: defaultEquals,
+        value: undefined,
+    };
+})();
+function signalValueChanged(node) {
+    node.version++;
+    producerIncrementEpoch();
+    producerNotifyConsumers(node);
+    postSignalSetFn?.();
+}
+
+function createWatch(fn, schedule, allowSignalWrites) {
+    const node = Object.create(WATCH_NODE);
+    if (allowSignalWrites) {
+        node.consumerAllowSignalWrites = true;
+    }
+    node.fn = fn;
+    node.schedule = schedule;
+    const registerOnCleanup = (cleanupFn) => {
+        node.cleanupFn = cleanupFn;
+    };
+    function isWatchNodeDestroyed(node) {
+        return node.fn === null && node.schedule === null;
+    }
+    function destroyWatchNode(node) {
+        if (!isWatchNodeDestroyed(node)) {
+            consumerDestroy(node); // disconnect watcher from the reactive graph
+            node.cleanupFn();
+            // nullify references to the integration functions to mark node as destroyed
+            node.fn = null;
+            node.schedule = null;
+            node.cleanupFn = NOOP_CLEANUP_FN;
+        }
+    }
+    const run = () => {
+        if (node.fn === null) {
+            // trying to run a destroyed watch is noop
+            return;
+        }
+        if (isInNotificationPhase()) {
+            throw new Error(`Schedulers cannot synchronously execute watches while scheduling.`);
+        }
+        node.dirty = false;
+        if (node.hasRun && !consumerPollProducersForChange(node)) {
+            return;
+        }
+        node.hasRun = true;
+        const prevConsumer = consumerBeforeComputation(node);
+        try {
+            node.cleanupFn();
+            node.cleanupFn = NOOP_CLEANUP_FN;
+            node.fn(registerOnCleanup);
+        }
+        finally {
+            consumerAfterComputation(node, prevConsumer);
+        }
+    };
+    node.ref = {
+        notify: () => consumerMarkDirty(node),
+        run,
+        cleanup: () => node.cleanupFn(),
+        destroy: () => destroyWatchNode(node),
+        [SIGNAL]: node,
+    };
+    return node.ref;
+}
+const NOOP_CLEANUP_FN = () => { };
+// Note: Using an IIFE here to ensure that the spread assignment is not considered
+// a side-effect, ending up preserving `COMPUTED_NODE` and `REACTIVE_NODE`.
+// TODO: remove when https://github.com/evanw/esbuild/issues/3392 is resolved.
+const WATCH_NODE = /* @__PURE__ */ (() => {
+    return {
+        ...REACTIVE_NODE,
+        consumerIsAlwaysLive: true,
+        consumerAllowSignalWrites: false,
+        consumerMarkedDirty: (node) => {
+            if (node.schedule !== null) {
+                node.schedule(node.ref);
+            }
+        },
+        hasRun: false,
+        cleanupFn: NOOP_CLEANUP_FN,
+    };
+})();
+
+function setAlternateWeakRefImpl(impl) {
+    // TODO: remove this function
+}
+
+export { REACTIVE_NODE, SIGNAL, SIGNAL_NODE, consumerAfterComputation, consumerBeforeComputation, consumerDestroy, consumerMarkDirty, consumerPollProducersForChange, createComputed, createSignal, createWatch, defaultEquals, getActiveConsumer, isInNotificationPhase, isReactive, producerAccessed, producerIncrementEpoch, producerNotifyConsumers, producerUpdateValueVersion, producerUpdatesAllowed, runPostSignalSetFn, setActiveConsumer, setAlternateWeakRefImpl, setPostSignalSetFn, setThrowInvalidWriteToSignalError, signalSetFn, signalUpdateFn };
+//# sourceMappingURL=signals.mjs.map

node_modules/@angular/core/fesm2022/rxjs-interop.mjs

@@ -0,0 +1,240 @@
+/**
+ * @license Angular v18.2.10
+ * (c) 2010-2024 Google LLC. https://angular.io/
+ * License: MIT
+ */
+
+import { assertInInjectionContext, inject, DestroyRef, ɵRuntimeError, ɵgetOutputDestroyRef, Injector, effect, untracked, assertNotInReactiveContext, signal, computed } from '@angular/core';
+import { Observable, ReplaySubject } from 'rxjs';
+import { takeUntil } from 'rxjs/operators';
+
+/**
+ * Operator which completes the Observable when the calling context (component, directive, service,
+ * etc) is destroyed.
+ *
+ * @param destroyRef optionally, the `DestroyRef` representing the current context. This can be
+ *     passed explicitly to use `takeUntilDestroyed` outside of an [injection
+ * context](guide/di/dependency-injection-context). Otherwise, the current `DestroyRef` is injected.
+ *
+ * @developerPreview
+ */
+function takeUntilDestroyed(destroyRef) {
+    if (!destroyRef) {
+        assertInInjectionContext(takeUntilDestroyed);
+        destroyRef = inject(DestroyRef);
+    }
+    const destroyed$ = new Observable((observer) => {
+        const unregisterFn = destroyRef.onDestroy(observer.next.bind(observer));
+        return unregisterFn;
+    });
+    return (source) => {
+        return source.pipe(takeUntil(destroyed$));
+    };
+}
+
+/**
+ * Implementation of `OutputRef` that emits values from
+ * an RxJS observable source.
+ *
+ * @internal
+ */
+class OutputFromObservableRef {
+    constructor(source) {
+        this.source = source;
+        this.destroyed = false;
+        this.destroyRef = inject(DestroyRef);
+        this.destroyRef.onDestroy(() => {
+            this.destroyed = true;
+        });
+    }
+    subscribe(callbackFn) {
+        if (this.destroyed) {
+            throw new ɵRuntimeError(953 /* ɵRuntimeErrorCode.OUTPUT_REF_DESTROYED */, ngDevMode &&
+                'Unexpected subscription to destroyed `OutputRef`. ' +
+                    'The owning directive/component is destroyed.');
+        }
+        // Stop yielding more values when the directive/component is already destroyed.
+        const subscription = this.source.pipe(takeUntilDestroyed(this.destroyRef)).subscribe({
+            next: (value) => callbackFn(value),
+        });
+        return {
+            unsubscribe: () => subscription.unsubscribe(),
+        };
+    }
+}
+/**
+ * Declares an Angular output that is using an RxJS observable as a source
+ * for events dispatched to parent subscribers.
+ *
+ * The behavior for an observable as source is defined as followed:
+ *    1. New values are forwarded to the Angular output (next notifications).
+ *    2. Errors notifications are not handled by Angular. You need to handle these manually.
+ *       For example by using `catchError`.
+ *    3. Completion notifications stop the output from emitting new values.
+ *
+ * @usageNotes
+ * Initialize an output in your directive by declaring a
+ * class field and initializing it with the `outputFromObservable()` function.
+ *
+ * ```ts
+ * @Directive({..})
+ * export class MyDir {
+ *   nameChange$ = <some-observable>;
+ *   nameChange = outputFromObservable(this.nameChange$);
+ * }
+ * ```
+ *
+ * @developerPreview
+ */
+function outputFromObservable(observable, opts) {
+    ngDevMode && assertInInjectionContext(outputFromObservable);
+    return new OutputFromObservableRef(observable);
+}
+
+/**
+ * Converts an Angular output declared via `output()` or `outputFromObservable()`
+ * to an observable.
+ *
+ * You can subscribe to the output via `Observable.subscribe` then.
+ *
+ * @developerPreview
+ */
+function outputToObservable(ref) {
+    const destroyRef = ɵgetOutputDestroyRef(ref);
+    return new Observable((observer) => {
+        // Complete the observable upon directive/component destroy.
+        // Note: May be `undefined` if an `EventEmitter` is declared outside
+        // of an injection context.
+        destroyRef?.onDestroy(() => observer.complete());
+        const subscription = ref.subscribe((v) => observer.next(v));
+        return () => subscription.unsubscribe();
+    });
+}
+
+/**
+ * Exposes the value of an Angular `Signal` as an RxJS `Observable`.
+ *
+ * The signal's value will be propagated into the `Observable`'s subscribers using an `effect`.
+ *
+ * `toObservable` must be called in an injection context unless an injector is provided via options.
+ *
+ * @developerPreview
+ */
+function toObservable(source, options) {
+    !options?.injector && assertInInjectionContext(toObservable);
+    const injector = options?.injector ?? inject(Injector);
+    const subject = new ReplaySubject(1);
+    const watcher = effect(() => {
+        let value;
+        try {
+            value = source();
+        }
+        catch (err) {
+            untracked(() => subject.error(err));
+            return;
+        }
+        untracked(() => subject.next(value));
+    }, { injector, manualCleanup: true });
+    injector.get(DestroyRef).onDestroy(() => {
+        watcher.destroy();
+        subject.complete();
+    });
+    return subject.asObservable();
+}
+
+/**
+ * Get the current value of an `Observable` as a reactive `Signal`.
+ *
+ * `toSignal` returns a `Signal` which provides synchronous reactive access to values produced
+ * by the given `Observable`, by subscribing to that `Observable`. The returned `Signal` will always
+ * have the most recent value emitted by the subscription, and will throw an error if the
+ * `Observable` errors.
+ *
+ * With `requireSync` set to `true`, `toSignal` will assert that the `Observable` produces a value
+ * immediately upon subscription. No `initialValue` is needed in this case, and the returned signal
+ * does not include an `undefined` type.
+ *
+ * By default, the subscription will be automatically cleaned up when the current [injection
+ * context](guide/di/dependency-injection-context) is destroyed. For example, when `toSignal` is
+ * called during the construction of a component, the subscription will be cleaned up when the
+ * component is destroyed. If an injection context is not available, an explicit `Injector` can be
+ * passed instead.
+ *
+ * If the subscription should persist until the `Observable` itself completes, the `manualCleanup`
+ * option can be specified instead, which disables the automatic subscription teardown. No injection
+ * context is needed in this configuration as well.
+ *
+ * @developerPreview
+ */
+function toSignal(source, options) {
+    ngDevMode &&
+        assertNotInReactiveContext(toSignal, 'Invoking `toSignal` causes new subscriptions every time. ' +
+            'Consider moving `toSignal` outside of the reactive context and read the signal value where needed.');
+    const requiresCleanup = !options?.manualCleanup;
+    requiresCleanup && !options?.injector && assertInInjectionContext(toSignal);
+    const cleanupRef = requiresCleanup
+        ? (options?.injector?.get(DestroyRef) ?? inject(DestroyRef))
+        : null;
+    const equal = makeToSignalEqual(options?.equal);
+    // Note: T is the Observable value type, and U is the initial value type. They don't have to be
+    // the same - the returned signal gives values of type `T`.
+    let state;
+    if (options?.requireSync) {
+        // Initially the signal is in a `NoValue` state.
+        state = signal({ kind: 0 /* StateKind.NoValue */ }, { equal });
+    }
+    else {
+        // If an initial value was passed, use it. Otherwise, use `undefined` as the initial value.
+        state = signal({ kind: 1 /* StateKind.Value */, value: options?.initialValue }, { equal });
+    }
+    // Note: This code cannot run inside a reactive context (see assertion above). If we'd support
+    // this, we would subscribe to the observable outside of the current reactive context, avoiding
+    // that side-effect signal reads/writes are attribute to the current consumer. The current
+    // consumer only needs to be notified when the `state` signal changes through the observable
+    // subscription. Additional context (related to async pipe):
+    // https://github.com/angular/angular/pull/50522.
+    const sub = source.subscribe({
+        next: (value) => state.set({ kind: 1 /* StateKind.Value */, value }),
+        error: (error) => {
+            if (options?.rejectErrors) {
+                // Kick the error back to RxJS. It will be caught and rethrown in a macrotask, which causes
+                // the error to end up as an uncaught exception.
+                throw error;
+            }
+            state.set({ kind: 2 /* StateKind.Error */, error });
+        },
+        // Completion of the Observable is meaningless to the signal. Signals don't have a concept of
+        // "complete".
+    });
+    if (options?.requireSync && state().kind === 0 /* StateKind.NoValue */) {
+        throw new ɵRuntimeError(601 /* ɵRuntimeErrorCode.REQUIRE_SYNC_WITHOUT_SYNC_EMIT */, (typeof ngDevMode === 'undefined' || ngDevMode) &&
+            '`toSignal()` called with `requireSync` but `Observable` did not emit synchronously.');
+    }
+    // Unsubscribe when the current context is destroyed, if requested.
+    cleanupRef?.onDestroy(sub.unsubscribe.bind(sub));
+    // The actual returned signal is a `computed` of the `State` signal, which maps the various states
+    // to either values or errors.
+    return computed(() => {
+        const current = state();
+        switch (current.kind) {
+            case 1 /* StateKind.Value */:
+                return current.value;
+            case 2 /* StateKind.Error */:
+                throw current.error;
+            case 0 /* StateKind.NoValue */:
+                // This shouldn't really happen because the error is thrown on creation.
+                throw new ɵRuntimeError(601 /* ɵRuntimeErrorCode.REQUIRE_SYNC_WITHOUT_SYNC_EMIT */, (typeof ngDevMode === 'undefined' || ngDevMode) &&
+                    '`toSignal()` called with `requireSync` but `Observable` did not emit synchronously.');
+        }
+    }, { equal: options?.equal });
+}
+function makeToSignalEqual(userEquality = Object.is) {
+    return (a, b) => a.kind === 1 /* StateKind.Value */ && b.kind === 1 /* StateKind.Value */ && userEquality(a.value, b.value);
+}
+
+/**
+ * Generated bundle index. Do not edit.
+ */
+
+export { outputFromObservable, outputToObservable, takeUntilDestroyed, toObservable, toSignal };
+//# sourceMappingURL=rxjs-interop.mjs.map