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"sourcesContent": ["/**\n * @license Angular v17.0.7\n * (c) 2010-2022 Google LLC. https://angular.io/\n * License: MIT\n */\n\n/**\n * The default equality function used for `signal` and `computed`, which uses referential equality.\n */\nfunction defaultEquals(a, b) {\n return Object.is(a, b);\n}\n\n/**\n * The currently active consumer `ReactiveNode`, if running code in a reactive context.\n *\n * Change this via `setActiveConsumer`.\n */\nlet activeConsumer = null;\nlet inNotificationPhase = false;\n/**\n * Global epoch counter. Incremented whenever a source signal is set.\n */\nlet epoch = 1;\n/**\n * Symbol used to tell `Signal`s apart from other functions.\n *\n * This can be used to auto-unwrap signals in various cases, or to auto-wrap non-signal values.\n */\nconst SIGNAL = /* @__PURE__ */ Symbol('SIGNAL');\nfunction setActiveConsumer(consumer) {\n const prev = activeConsumer;\n activeConsumer = consumer;\n return prev;\n}\nfunction getActiveConsumer() {\n return activeConsumer;\n}\nfunction isInNotificationPhase() {\n return inNotificationPhase;\n}\nfunction isReactive(value) {\n return value[SIGNAL] !== undefined;\n}\nconst REACTIVE_NODE = {\n version: 0,\n lastCleanEpoch: 0,\n dirty: false,\n producerNode: undefined,\n producerLastReadVersion: undefined,\n producerIndexOfThis: undefined,\n nextProducerIndex: 0,\n liveConsumerNode: undefined,\n liveConsumerIndexOfThis: undefined,\n consumerAllowSignalWrites: false,\n consumerIsAlwaysLive: false,\n producerMustRecompute: () => false,\n producerRecomputeValue: () => { },\n consumerMarkedDirty: () => { },\n consumerOnSignalRead: () => { },\n};\n/**\n * Called by implementations when a producer's signal is read.\n */\nfunction producerAccessed(node) {\n if (inNotificationPhase) {\n throw new Error(typeof ngDevMode !== 'undefined' && ngDevMode ?\n `Assertion error: signal read during notification phase` :\n '');\n }\n if (activeConsumer === null) {\n // Accessed outside of a reactive context, so nothing to record.\n return;\n }\n activeConsumer.consumerOnSignalRead(node);\n // This producer is the `idx`th dependency of `activeConsumer`.\n const idx = activeConsumer.nextProducerIndex++;\n assertConsumerNode(activeConsumer);\n if (idx < activeConsumer.producerNode.length && activeConsumer.producerNode[idx] !== node) {\n // There's been a change in producers since the last execution of `activeConsumer`.\n // `activeConsumer.producerNode[idx]` holds a stale dependency which will be be removed and\n // replaced with `this`.\n //\n // If `activeConsumer` isn't live, then this is a no-op, since we can replace the producer in\n // `activeConsumer.producerNode` directly. However, if `activeConsumer` is live, then we need\n // to remove it from the stale producer's `liveConsumer`s.\n if (consumerIsLive(activeConsumer)) {\n const staleProducer = activeConsumer.producerNode[idx];\n producerRemoveLiveConsumerAtIndex(staleProducer, activeConsumer.producerIndexOfThis[idx]);\n // At this point, the only record of `staleProducer` is the reference at\n // `activeConsumer.producerNode[idx]` which will be overwritten below.\n }\n }\n if (activeConsumer.producerNode[idx] !== node) {\n // We're a new dependency of the consumer (at `idx`).\n activeConsumer.producerNode[idx] = node;\n // If the active consumer is live, then add it as a live consumer. If not, then use 0 as a\n // placeholder value.\n activeConsumer.producerIndexOfThis[idx] =\n consumerIsLive(activeConsumer) ? producerAddLiveConsumer(node, activeConsumer, idx) : 0;\n }\n activeConsumer.producerLastReadVersion[idx] = node.version;\n}\n/**\n * Increment the global epoch counter.\n *\n * Called by source producers (that is, not computeds) whenever their values change.\n */\nfunction producerIncrementEpoch() {\n epoch++;\n}\n/**\n * Ensure this producer's `version` is up-to-date.\n */\nfunction producerUpdateValueVersion(node) {\n if (consumerIsLive(node) && !node.dirty) {\n // A live consumer will be marked dirty by producers, so a clean state means that its version\n // is guaranteed to be up-to-date.\n return;\n }\n if (!node.dirty && node.lastCleanEpoch === epoch) {\n // Even non-live consumers can skip polling if they previously found themselves to be clean at\n // the current epoch, since their dependencies could not possibly have changed (such a change\n // would've increased the epoch).\n return;\n }\n if (!node.producerMustRecompute(node) && !consumerPollProducersForChange(node)) {\n // None of our producers report a change since the last time they were read, so no\n // recomputation of our value is necessary, and we can consider ourselves clean.\n node.dirty = false;\n node.lastCleanEpoch = epoch;\n return;\n }\n node.producerRecomputeValue(node);\n // After recomputing the value, we're no longer dirty.\n node.dirty = false;\n node.lastCleanEpoch = epoch;\n}\n/**\n * Propagate a dirty notification to live consumers of this producer.\n */\nfunction producerNotifyConsumers(node) {\n if (node.liveConsumerNode === undefined) {\n return;\n }\n // Prevent signal reads when we're updating the graph\n const prev = inNotificationPhase;\n inNotificationPhase = true;\n try {\n for (const consumer of node.liveConsumerNode) {\n if (!consumer.dirty) {\n consumerMarkDirty(consumer);\n }\n }\n }\n finally {\n inNotificationPhase = prev;\n }\n}\n/**\n * Whether this `ReactiveNode` in its producer capacity is currently allowed to initiate updates,\n * based on the current consumer context.\n */\nfunction producerUpdatesAllowed() {\n return activeConsumer?.consumerAllowSignalWrites !== false;\n}\nfunction consumerMarkDirty(node) {\n node.dirty = true;\n producerNotifyConsumers(node);\n node.consumerMarkedDirty?.(node);\n}\n/**\n * Prepare this consumer to run a computation in its reactive context.\n *\n * Must be called by subclasses which represent reactive computations, before those computations\n * begin.\n */\nfunction consumerBeforeComputation(node) {\n node && (node.nextProducerIndex = 0);\n return setActiveConsumer(node);\n}\n/**\n * Finalize this consumer's state after a reactive computation has run.\n *\n * Must be called by subclasses which represent reactive computations, after those computations\n * have finished.\n */\nfunction consumerAfterComputation(node, prevConsumer) {\n setActiveConsumer(prevConsumer);\n if (!node || node.producerNode === undefined || node.producerIndexOfThis === undefined ||\n node.producerLastReadVersion === undefined) {\n return;\n }\n if (consumerIsLive(node)) {\n // For live consumers, we need to remove the producer -> consumer edge for any stale producers\n // which weren't dependencies after the recomputation.\n for (let i = node.nextProducerIndex; i < node.producerNode.length; i++) {\n producerRemoveLiveConsumerAtIndex(node.producerNode[i], node.producerIndexOfThis[i]);\n }\n }\n // Truncate the producer tracking arrays.\n // Perf note: this is essentially truncating the length to `node.nextProducerIndex`, but\n // benchmarking has shown that individual pop operations are faster.\n while (node.producerNode.length > node.nextProducerIndex) {\n node.producerNode.pop();\n node.producerLastReadVersion.pop();\n node.producerIndexOfThis.pop();\n }\n}\n/**\n * Determine whether this consumer has any dependencies which have changed since the last time\n * they were read.\n */\nfunction consumerPollProducersForChange(node) {\n assertConsumerNode(node);\n // Poll producers for change.\n for (let i = 0; i < node.producerNode.length; i++) {\n const producer = node.producerNode[i];\n const seenVersion = node.producerLastReadVersion[i];\n // First check the versions. A mismatch means that the producer's value is known to have\n // changed since the last time we read it.\n if (seenVersion !== producer.version) {\n return true;\n }\n // The producer's version is the same as the last time we read it, but it might itself be\n // stale. Force the producer to recompute its version (calculating a new value if necessary).\n producerUpdateValueVersion(producer);\n // Now when we do this check, `producer.version` is guaranteed to be up to date, so if the\n // versions still match then it has not changed since the last time we read it.\n if (seenVersion !== producer.version) {\n return true;\n }\n }\n return false;\n}\n/**\n * Disconnect this consumer from the graph.\n */\nfunction consumerDestroy(node) {\n assertConsumerNode(node);\n if (consumerIsLive(node)) {\n // Drop all connections from the graph to this node.\n for (let i = 0; i < node.producerNode.length; i++) {\n producerRemoveLiveConsumerAtIndex(node.producerNode[i], node.producerIndexOfThis[i]);\n }\n }\n // Truncate all the arrays to drop all connection from this node to the graph.\n node.producerNode.length = node.producerLastReadVersion.length = node.producerIndexOfThis.length =\n 0;\n if (node.liveConsumerNode) {\n node.liveConsumerNode.length = node.liveConsumerIndexOfThis.length = 0;\n }\n}\n/**\n * Add `consumer` as a live consumer of this node.\n *\n * Note that this operation is potentially transitive. If this node becomes live, then it becomes\n * a live consumer of all of its current producers.\n */\nfunction producerAddLiveConsumer(node, consumer, indexOfThis) {\n assertProducerNode(node);\n assertConsumerNode(node);\n if (node.liveConsumerNode.length === 0) {\n // When going from 0 to 1 live consumers, we become a live consumer to our producers.\n for (let i = 0; i < node.producerNode.length; i++) {\n node.producerIndexOfThis[i] = producerAddLiveConsumer(node.producerNode[i], node, i);\n }\n }\n node.liveConsumerIndexOfThis.push(indexOfThis);\n return node.liveConsumerNode.push(consumer) - 1;\n}\n/**\n * Remove the live consumer at `idx`.\n */\nfunction producerRemoveLiveConsumerAtIndex(node, idx) {\n assertProducerNode(node);\n assertConsumerNode(node);\n if (typeof ngDevMode !== 'undefined' && ngDevMode && idx >= node.liveConsumerNode.length) {\n throw new Error(`Assertion error: active consumer index ${idx} is out of bounds of ${node.liveConsumerNode.length} consumers)`);\n }\n if (node.liveConsumerNode.length === 1) {\n // When removing the last live consumer, we will no longer be live. We need to remove\n // ourselves from our producers' tracking (which may cause consumer-producers to lose\n // liveness as well).\n for (let i = 0; i < node.producerNode.length; i++) {\n producerRemoveLiveConsumerAtIndex(node.producerNode[i], node.producerIndexOfThis[i]);\n }\n }\n // Move the last value of `liveConsumers` into `idx`. Note that if there's only a single\n // live consumer, this is a no-op.\n const lastIdx = node.liveConsumerNode.length - 1;\n node.liveConsumerNode[idx] = node.liveConsumerNode[lastIdx];\n node.liveConsumerIndexOfThis[idx] = node.liveConsumerIndexOfThis[lastIdx];\n // Truncate the array.\n node.liveConsumerNode.length--;\n node.liveConsumerIndexOfThis.length--;\n // If the index is still valid, then we need to fix the index pointer from the producer to this\n // consumer, and update it from `lastIdx` to `idx` (accounting for the move above).\n if (idx < node.liveConsumerNode.length) {\n const idxProducer = node.liveConsumerIndexOfThis[idx];\n const consumer = node.liveConsumerNode[idx];\n assertConsumerNode(consumer);\n consumer.producerIndexOfThis[idxProducer] = idx;\n }\n}\nfunction consumerIsLive(node) {\n return node.consumerIsAlwaysLive || (node?.liveConsumerNode?.length ?? 0) > 0;\n}\nfunction assertConsumerNode(node) {\n node.producerNode ??= [];\n node.producerIndexOfThis ??= [];\n node.producerLastReadVersion ??= [];\n}\nfunction assertProducerNode(node) {\n node.liveConsumerNode ??= [];\n node.liveConsumerIndexOfThis ??= [];\n}\n\n/**\n * Create a computed signal which derives a reactive value from an expression.\n */\nfunction createComputed(computation) {\n const node = Object.create(COMPUTED_NODE);\n node.computation = computation;\n const computed = () => {\n // Check if the value needs updating before returning it.\n producerUpdateValueVersion(node);\n // Record that someone looked at this signal.\n producerAccessed(node);\n if (node.value === ERRORED) {\n throw node.error;\n }\n return node.value;\n };\n computed[SIGNAL] = node;\n return computed;\n}\n/**\n * A dedicated symbol used before a computed value has been calculated for the first time.\n * Explicitly typed as `any` so we can use it as signal's value.\n */\nconst UNSET = /* @__PURE__ */ Symbol('UNSET');\n/**\n * A dedicated symbol used in place of a computed signal value to indicate that a given computation\n * is in progress. Used to detect cycles in computation chains.\n * Explicitly typed as `any` so we can use it as signal's value.\n */\nconst COMPUTING = /* @__PURE__ */ Symbol('COMPUTING');\n/**\n * A dedicated symbol used in place of a computed signal value to indicate that a given computation\n * failed. The thrown error is cached until the computation gets dirty again.\n * Explicitly typed as `any` so we can use it as signal's value.\n */\nconst ERRORED = /* @__PURE__ */ Symbol('ERRORED');\n// Note: Using an IIFE here to ensure that the spread assignment is not considered\n// a side-effect, ending up preserving `COMPUTED_NODE` and `REACTIVE_NODE`.\n// TODO: remove when https://github.com/evanw/esbuild/issues/3392 is resolved.\nconst COMPUTED_NODE = /* @__PURE__ */ (() => {\n return {\n ...REACTIVE_NODE,\n value: UNSET,\n dirty: true,\n error: null,\n equal: defaultEquals,\n producerMustRecompute(node) {\n // Force a recomputation if there's no current value, or if the current value is in the\n // process of being calculated (which should throw an error).\n return node.value === UNSET || node.value === COMPUTING;\n },\n producerRecomputeValue(node) {\n if (node.value === COMPUTING) {\n // Our computation somehow led to a cyclic read of itself.\n throw new Error('Detected cycle in computations.');\n }\n const oldValue = node.value;\n node.value = COMPUTING;\n const prevConsumer = consumerBeforeComputation(node);\n let newValue;\n try {\n newValue = node.computation();\n }\n catch (err) {\n newValue = ERRORED;\n node.error = err;\n }\n finally {\n consumerAfterComputation(node, prevConsumer);\n }\n if (oldValue !== UNSET && oldValue !== ERRORED && newValue !== ERRORED &&\n node.equal(oldValue, newValue)) {\n // No change to `valueVersion` - old and new values are\n // semantically equivalent.\n node.value = oldValue;\n return;\n }\n node.value = newValue;\n node.version++;\n },\n };\n})();\n\nfunction defaultThrowError() {\n throw new Error();\n}\nlet throwInvalidWriteToSignalErrorFn = defaultThrowError;\nfunction throwInvalidWriteToSignalError() {\n throwInvalidWriteToSignalErrorFn();\n}\nfunction setThrowInvalidWriteToSignalError(fn) {\n throwInvalidWriteToSignalErrorFn = fn;\n}\n\n/**\n * If set, called after `WritableSignal`s are updated.\n *\n * This hook can be used to achieve various effects, such as running effects synchronously as part\n * of setting a signal.\n */\nlet postSignalSetFn = null;\n/**\n * Create a `Signal` that can be set or updated directly.\n */\nfunction createSignal(initialValue) {\n const node = Object.create(SIGNAL_NODE);\n node.value = initialValue;\n const getter = (() => {\n producerAccessed(node);\n return node.value;\n });\n getter[SIGNAL] = node;\n return getter;\n}\nfunction setPostSignalSetFn(fn) {\n const prev = postSignalSetFn;\n postSignalSetFn = fn;\n return prev;\n}\nfunction signalGetFn() {\n producerAccessed(this);\n return this.value;\n}\nfunction signalSetFn(node, newValue) {\n if (!producerUpdatesAllowed()) {\n throwInvalidWriteToSignalError();\n }\n if (!node.equal(node.value, newValue)) {\n node.value = newValue;\n signalValueChanged(node);\n }\n}\nfunction signalUpdateFn(node, updater) {\n if (!producerUpdatesAllowed()) {\n throwInvalidWriteToSignalError();\n }\n signalSetFn(node, updater(node.value));\n}\nfunction signalMutateFn(node, mutator) {\n if (!producerUpdatesAllowed()) {\n throwInvalidWriteToSignalError();\n }\n // Mutate bypasses equality checks as it's by definition changing the value.\n mutator(node.value);\n signalValueChanged(node);\n}\n// Note: Using an IIFE here to ensure that the spread assignment is not considered\n// a side-effect, ending up preserving `COMPUTED_NODE` and `REACTIVE_NODE`.\n// TODO: remove when https://github.com/evanw/esbuild/issues/3392 is resolved.\nconst SIGNAL_NODE = /* @__PURE__ */ (() => {\n return {\n ...REACTIVE_NODE,\n equal: defaultEquals,\n value: undefined,\n };\n})();\nfunction signalValueChanged(node) {\n node.version++;\n producerIncrementEpoch();\n producerNotifyConsumers(node);\n postSignalSetFn?.();\n}\n\nfunction createWatch(fn, schedule, allowSignalWrites) {\n const node = Object.create(WATCH_NODE);\n if (allowSignalWrites) {\n node.consumerAllowSignalWrites = true;\n }\n node.fn = fn;\n node.schedule = schedule;\n const registerOnCleanup = (cleanupFn) => {\n node.cleanupFn = cleanupFn;\n };\n function isWatchNodeDestroyed(node) {\n return node.fn === null && node.schedule === null;\n }\n function destroyWatchNode(node) {\n if (!isWatchNodeDestroyed(node)) {\n consumerDestroy(node); // disconnect watcher from the reactive graph\n node.cleanupFn();\n // nullify references to the integration functions to mark node as destroyed\n node.fn = null;\n node.schedule = null;\n node.cleanupFn = NOOP_CLEANUP_FN;\n }\n }\n const run = () => {\n if (node.fn === null) {\n // trying to run a destroyed watch is noop\n return;\n }\n if (isInNotificationPhase()) {\n throw new Error(`Schedulers cannot synchronously execute watches while scheduling.`);\n }\n node.dirty = false;\n if (node.hasRun && !consumerPollProducersForChange(node)) {\n return;\n }\n node.hasRun = true;\n const prevConsumer = consumerBeforeComputation(node);\n try {\n node.cleanupFn();\n node.cleanupFn = NOOP_CLEANUP_FN;\n node.fn(registerOnCleanup);\n }\n finally {\n consumerAfterComputation(node, prevConsumer);\n }\n };\n node.ref = {\n notify: () => consumerMarkDirty(node),\n run,\n cleanup: () => node.cleanupFn(),\n destroy: () => destroyWatchNode(node),\n [SIGNAL]: node,\n };\n return node.ref;\n}\nconst NOOP_CLEANUP_FN = () => { };\n// Note: Using an IIFE here to ensure that the spread assignment is not considered\n// a side-effect, ending up preserving `COMPUTED_NODE` and `REACTIVE_NODE`.\n// TODO: remove when https://github.com/evanw/esbuild/issues/3392 is resolved.\nconst WATCH_NODE = /* @__PURE__ */ (() => {\n return {\n ...REACTIVE_NODE,\n consumerIsAlwaysLive: true,\n consumerAllowSignalWrites: false,\n consumerMarkedDirty: (node) => {\n if (node.schedule !== null) {\n node.schedule(node.ref);\n }\n },\n hasRun: false,\n cleanupFn: NOOP_CLEANUP_FN,\n };\n})();\n\nfunction setAlternateWeakRefImpl(impl) {\n // TODO: remove this function\n}\n\nexport { REACTIVE_NODE, SIGNAL, consumerAfterComputation, consumerBeforeComputation, consumerDestroy, consumerPollProducersForChange, createComputed, createSignal, createWatch, defaultEquals, getActiveConsumer, isInNotificationPhase, isReactive, producerAccessed, producerNotifyConsumers, producerUpdateValueVersion, producerUpdatesAllowed, setActiveConsumer, setAlternateWeakRefImpl, setPostSignalSetFn, setThrowInvalidWriteToSignalError, signalMutateFn, signalSetFn, signalUpdateFn };\n\n", "/******************************************************************************\nCopyright (c) Microsoft Corporation.\n\nPermission to use, copy, modify, and/or distribute this software for any\npurpose with or without fee is hereby granted.\n\nTHE SOFTWARE IS PROVIDED \"AS IS\" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH\nREGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY\nAND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,\nINDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM\nLOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR\nOTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR\nPERFORMANCE OF THIS SOFTWARE.\n***************************************************************************** */\n/* global Reflect, Promise, SuppressedError, Symbol */\n\nvar extendStatics = function(d, b) {\n extendStatics = Object.setPrototypeOf ||\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\n function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };\n return extendStatics(d, b);\n};\n\nexport function __extends(d, b) {\n if (typeof b !== \"function\" && b !== null)\n throw new TypeError(\"Class extends value \" + String(b) + \" is not a constructor or null\");\n extendStatics(d, b);\n function __() { this.constructor = d; }\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\n}\n\nexport var __assign = function() {\n __assign = Object.assign || function __assign(t) {\n for (var s, i = 1, n = arguments.length; i < n; i++) {\n s = arguments[i];\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];\n }\n return t;\n }\n return __assign.apply(this, arguments);\n}\n\nexport function __rest(s, e) {\n var t = {};\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)\n t[p] = s[p];\n if (s != null && typeof Object.getOwnPropertySymbols === \"function\")\n for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {\n if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))\n t[p[i]] = s[p[i]];\n }\n return t;\n}\n\nexport function __decorate(decorators, target, key, desc) {\n var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;\n if (typeof Reflect === \"object\" && typeof Reflect.decorate === \"function\") r = Reflect.decorate(decorators, target, key, desc);\n else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;\n return c > 3 && r && Object.defineProperty(target, key, r), r;\n}\n\nexport function __param(paramIndex, decorator) {\n return function (target, key) { decorator(target, key, paramIndex); }\n}\n\nexport function __esDecorate(ctor, descriptorIn, decorators, contextIn, initializers, extraInitializers) {\n function accept(f) { if (f !== void 0 && typeof f !== \"function\") throw new TypeError(\"Function expected\"); return f; }\n var kind = contextIn.kind, key = kind === \"getter\" ? \"get\" : kind === \"setter\" ? \"set\" : \"value\";\n var target = !descriptorIn && ctor ? contextIn[\"static\"] ? ctor : ctor.prototype : null;\n var descriptor = descriptorIn || (target ? Object.getOwnPropertyDescriptor(target, contextIn.name) : {});\n var _, done = false;\n for (var i = decorators.length - 1; i >= 0; i--) {\n var context = {};\n for (var p in contextIn) context[p] = p === \"access\" ? {} : contextIn[p];\n for (var p in contextIn.access) context.access[p] = contextIn.access[p];\n context.addInitializer = function (f) { if (done) throw new TypeError(\"Cannot add initializers after decoration has completed\"); extraInitializers.push(accept(f || null)); };\n var result = (0, decorators[i])(kind === \"accessor\" ? { get: descriptor.get, set: descriptor.set } : descriptor[key], context);\n if (kind === \"accessor\") {\n if (result === void 0) continue;\n if (result === null || typeof result !== \"object\") throw new TypeError(\"Object expected\");\n if (_ = accept(result.get)) descriptor.get = _;\n if (_ = accept(result.set)) descriptor.set = _;\n if (_ = accept(result.init)) initializers.unshift(_);\n }\n else if (_ = accept(result)) {\n if (kind === \"field\") initializers.unshift(_);\n else descriptor[key] = _;\n }\n }\n if (target) Object.defineProperty(target, contextIn.name, descriptor);\n done = true;\n};\n\nexport function __runInitializers(thisArg, initializers, value) {\n var useValue = arguments.length > 2;\n for (var i = 0; i < initializers.length; i++) {\n value = useValue ? initializers[i].call(thisArg, value) : initializers[i].call(thisArg);\n }\n return useValue ? value : void 0;\n};\n\nexport function __propKey(x) {\n return typeof x === \"symbol\" ? x : \"\".concat(x);\n};\n\nexport function __setFunctionName(f, name, prefix) {\n if (typeof name === \"symbol\") name = name.description ? \"[\".concat(name.description, \"]\") : \"\";\n return Object.defineProperty(f, \"name\", { configurable: true, value: prefix ? \"\".concat(prefix, \" \", name) : name });\n};\n\nexport function __metadata(metadataKey, metadataValue) {\n if (typeof Reflect === \"object\" && typeof Reflect.metadata === \"function\") return Reflect.metadata(metadataKey, metadataValue);\n}\n\nexport function __awaiter(thisArg, _arguments, P, generator) {\n function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }\n return new (P || (P = Promise))(function (resolve, reject) {\n function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }\n function rejected(value) { try { step(generator[\"throw\"](value)); } catch (e) { reject(e); } }\n function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }\n step((generator = generator.apply(thisArg, _arguments || [])).next());\n });\n}\n\nexport function __generator(thisArg, body) {\n var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;\n return g = { next: verb(0), \"throw\": verb(1), \"return\": verb(2) }, typeof Symbol === \"function\" && (g[Symbol.iterator] = function() { return this; }), g;\n function verb(n) { return function (v) { return step([n, v]); }; }\n function step(op) {\n if (f) throw new TypeError(\"Generator is already executing.\");\n while (g && (g = 0, op[0] && (_ = 0)), _) try {\n if (f = 1, y && (t = op[0] & 2 ? y[\"return\"] : op[0] ? y[\"throw\"] || ((t = y[\"return\"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;\n if (y = 0, t) op = [op[0] & 2, t.value];\n switch (op[0]) {\n case 0: case 1: t = op; break;\n case 4: _.label++; return { value: op[1], done: false };\n case 5: _.label++; y = op[1]; op = [0]; continue;\n case 7: op = _.ops.pop(); _.trys.pop(); continue;\n default:\n if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }\n if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }\n if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }\n if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }\n if (t[2]) _.ops.pop();\n _.trys.pop(); continue;\n }\n op = body.call(thisArg, _);\n } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }\n if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };\n }\n}\n\nexport var __createBinding = Object.create ? (function(o, m, k, k2) {\n if (k2 === undefined) k2 = k;\n var desc = Object.getOwnPropertyDescriptor(m, k);\n if (!desc || (\"get\" in desc ? !m.__esModule : desc.writable || desc.configurable)) {\n desc = { enumerable: true, get: function() { return m[k]; } };\n }\n Object.defineProperty(o, k2, desc);\n}) : (function(o, m, k, k2) {\n if (k2 === undefined) k2 = k;\n o[k2] = m[k];\n});\n\nexport function __exportStar(m, o) {\n for (var p in m) if (p !== \"default\" && !Object.prototype.hasOwnProperty.call(o, p)) __createBinding(o, m, p);\n}\n\nexport function __values(o) {\n var s = typeof Symbol === \"function\" && Symbol.iterator, m = s && o[s], i = 0;\n if (m) return m.call(o);\n if (o && typeof o.length === \"number\") return {\n next: function () {\n if (o && i >= o.length) o = void 0;\n return { value: o && o[i++], done: !o };\n }\n };\n throw new TypeError(s ? \"Object is not iterable.\" : \"Symbol.iterator is not defined.\");\n}\n\nexport function __read(o, n) {\n var m = typeof Symbol === \"function\" && o[Symbol.iterator];\n if (!m) return o;\n var i = m.call(o), r, ar = [], e;\n try {\n while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);\n }\n catch (error) { e = { error: error }; }\n finally {\n try {\n if (r && !r.done && (m = i[\"return\"])) m.call(i);\n }\n finally { if (e) throw e.error; }\n }\n return ar;\n}\n\n/** @deprecated */\nexport function __spread() {\n for (var ar = [], i = 0; i < arguments.length; i++)\n ar = ar.concat(__read(arguments[i]));\n return ar;\n}\n\n/** @deprecated */\nexport function __spreadArrays() {\n for (var s = 0, i = 0, il = arguments.length; i < il; i++) s += arguments[i].length;\n for (var r = Array(s), k = 0, i = 0; i < il; i++)\n for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++)\n r[k] = a[j];\n return r;\n}\n\nexport function __spreadArray(to, from, pack) {\n if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {\n if (ar || !(i in from)) {\n if (!ar) ar = Array.prototype.slice.call(from, 0, i);\n ar[i] = from[i];\n }\n }\n return to.concat(ar || Array.prototype.slice.call(from));\n}\n\nexport function __await(v) {\n return this instanceof __await ? (this.v = v, this) : new __await(v);\n}\n\nexport function __asyncGenerator(thisArg, _arguments, generator) {\n if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\n var g = generator.apply(thisArg, _arguments || []), i, q = [];\n return i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i;\n function verb(n) { if (g[n]) i[n] = function (v) { return new Promise(function (a, b) { q.push([n, v, a, b]) > 1 || resume(n, v); }); }; }\n function resume(n, v) { try { step(g[n](v)); } catch (e) { settle(q[0][3], e); } }\n function step(r) { r.value instanceof __await ? Promise.resolve(r.value.v).then(fulfill, reject) : settle(q[0][2], r); }\n function fulfill(value) { resume(\"next\", value); }\n function reject(value) { resume(\"throw\", value); }\n function settle(f, v) { if (f(v), q.shift(), q.length) resume(q[0][0], q[0][1]); }\n}\n\nexport function __asyncDelegator(o) {\n var i, p;\n return i = {}, verb(\"next\"), verb(\"throw\", function (e) { throw e; }), verb(\"return\"), i[Symbol.iterator] = function () { return this; }, i;\n function verb(n, f) { i[n] = o[n] ? function (v) { return (p = !p) ? { value: __await(o[n](v)), done: false } : f ? f(v) : v; } : f; }\n}\n\nexport function __asyncValues(o) {\n if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\n var m = o[Symbol.asyncIterator], i;\n return m ? m.call(o) : (o = typeof __values === \"function\" ? __values(o) : o[Symbol.iterator](), i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i);\n function verb(n) { i[n] = o[n] && function (v) { return new Promise(function (resolve, reject) { v = o[n](v), settle(resolve, reject, v.done, v.value); }); }; }\n function settle(resolve, reject, d, v) { Promise.resolve(v).then(function(v) { resolve({ value: v, done: d }); }, reject); }\n}\n\nexport function __makeTemplateObject(cooked, raw) {\n if (Object.defineProperty) { Object.defineProperty(cooked, \"raw\", { value: raw }); } else { cooked.raw = raw; }\n return cooked;\n};\n\nvar __setModuleDefault = Object.create ? (function(o, v) {\n Object.defineProperty(o, \"default\", { enumerable: true, value: v });\n}) : function(o, v) {\n o[\"default\"] = v;\n};\n\nexport function __importStar(mod) {\n if (mod && mod.__esModule) return mod;\n var result = {};\n if (mod != null) for (var k in mod) if (k !== \"default\" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);\n __setModuleDefault(result, mod);\n return result;\n}\n\nexport function __importDefault(mod) {\n return (mod && mod.__esModule) ? mod : { default: mod };\n}\n\nexport function __classPrivateFieldGet(receiver, state, kind, f) {\n if (kind === \"a\" && !f) throw new TypeError(\"Private accessor was defined without a getter\");\n if (typeof state === \"function\" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError(\"Cannot read private member from an object whose class did not declare it\");\n return kind === \"m\" ? f : kind === \"a\" ? f.call(receiver) : f ? f.value : state.get(receiver);\n}\n\nexport function __classPrivateFieldSet(receiver, state, value, kind, f) {\n if (kind === \"m\") throw new TypeError(\"Private method is not writable\");\n if (kind === \"a\" && !f) throw new TypeError(\"Private accessor was defined without a setter\");\n if (typeof state === \"function\" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError(\"Cannot write private member to an object whose class did not declare it\");\n return (kind === \"a\" ? f.call(receiver, value) : f ? f.value = value : state.set(receiver, value)), value;\n}\n\nexport function __classPrivateFieldIn(state, receiver) {\n if (receiver === null || (typeof receiver !== \"object\" && typeof receiver !== \"function\")) throw new TypeError(\"Cannot use 'in' operator on non-object\");\n return typeof state === \"function\" ? receiver === state : state.has(receiver);\n}\n\nexport function __addDisposableResource(env, value, async) {\n if (value !== null && value !== void 0) {\n if (typeof value !== \"object\" && typeof value !== \"function\") throw new TypeError(\"Object expected.\");\n var dispose;\n if (async) {\n if (!Symbol.asyncDispose) throw new TypeError(\"Symbol.asyncDispose is not defined.\");\n dispose = value[Symbol.asyncDispose];\n }\n if (dispose === void 0) {\n if (!Symbol.dispose) throw new TypeError(\"Symbol.dispose is not defined.\");\n dispose = value[Symbol.dispose];\n }\n if (typeof dispose !== \"function\") throw new TypeError(\"Object not disposable.\");\n env.stack.push({ value: value, dispose: dispose, async: async });\n }\n else if (async) {\n env.stack.push({ async: true });\n }\n return value;\n}\n\nvar _SuppressedError = typeof SuppressedError === \"function\" ? SuppressedError : function (error, suppressed, message) {\n var e = new Error(message);\n return e.name = \"SuppressedError\", e.error = error, e.suppressed = suppressed, e;\n};\n\nexport function __disposeResources(env) {\n function fail(e) {\n env.error = env.hasError ? new _SuppressedError(e, env.error, \"An error was suppressed during disposal.\") : e;\n env.hasError = true;\n }\n function next() {\n while (env.stack.length) {\n var rec = env.stack.pop();\n try {\n var result = rec.dispose && rec.dispose.call(rec.value);\n if (rec.async) return Promise.resolve(result).then(next, function(e) { fail(e); return next(); });\n }\n catch (e) {\n fail(e);\n }\n }\n if (env.hasError) throw env.error;\n }\n return next();\n}\n\nexport default {\n __extends,\n __assign,\n __rest,\n __decorate,\n __param,\n __metadata,\n __awaiter,\n __generator,\n __createBinding,\n __exportStar,\n __values,\n __read,\n __spread,\n __spreadArrays,\n __spreadArray,\n __await,\n __asyncGenerator,\n __asyncDelegator,\n __asyncValues,\n __makeTemplateObject,\n __importStar,\n __importDefault,\n __classPrivateFieldGet,\n __classPrivateFieldSet,\n __classPrivateFieldIn,\n __addDisposableResource,\n __disposeResources,\n};\n", "export function isFunction(value) {\n return typeof value === 'function';\n}\n", "export function createErrorClass(createImpl) {\n var _super = function (instance) {\n Error.call(instance);\n instance.stack = new Error().stack;\n };\n var ctorFunc = createImpl(_super);\n ctorFunc.prototype = Object.create(Error.prototype);\n ctorFunc.prototype.constructor = ctorFunc;\n return ctorFunc;\n}\n", "import { createErrorClass } from './createErrorClass';\nexport var UnsubscriptionError = createErrorClass(function (_super) {\n return function UnsubscriptionErrorImpl(errors) {\n _super(this);\n this.message = errors\n ? errors.length + \" errors occurred during unsubscription:\\n\" + errors.map(function (err, i) { return i + 1 + \") \" + err.toString(); }).join('\\n ')\n : '';\n this.name = 'UnsubscriptionError';\n this.errors = errors;\n };\n});\n", "export function arrRemove(arr, item) {\n if (arr) {\n var index = arr.indexOf(item);\n 0 <= index && arr.splice(index, 1);\n }\n}\n", "import { __read, __spreadArray, __values } from \"tslib\";\nimport { isFunction } from './util/isFunction';\nimport { UnsubscriptionError } from './util/UnsubscriptionError';\nimport { arrRemove } from './util/arrRemove';\nvar Subscription = (function () {\n function Subscription(initialTeardown) {\n this.initialTeardown = initialTeardown;\n this.closed = false;\n this._parentage = null;\n this._finalizers = null;\n }\n Subscription.prototype.unsubscribe = function () {\n var e_1, _a, e_2, _b;\n var errors;\n if (!this.closed) {\n this.closed = true;\n var _parentage = this._parentage;\n if (_parentage) {\n this._parentage = null;\n if (Array.isArray(_parentage)) {\n try {\n for (var _parentage_1 = __values(_parentage), _parentage_1_1 = _parentage_1.next(); !_parentage_1_1.done; _parentage_1_1 = _parentage_1.next()) {\n var parent_1 = _parentage_1_1.value;\n parent_1.remove(this);\n }\n }\n catch (e_1_1) { e_1 = { error: e_1_1 }; }\n finally {\n try {\n if (_parentage_1_1 && !_parentage_1_1.done && (_a = _parentage_1.return)) _a.call(_parentage_1);\n }\n finally { if (e_1) throw e_1.error; }\n }\n }\n else {\n _parentage.remove(this);\n }\n }\n var initialFinalizer = this.initialTeardown;\n if (isFunction(initialFinalizer)) {\n try {\n initialFinalizer();\n }\n catch (e) {\n errors = e instanceof UnsubscriptionError ? e.errors : [e];\n }\n }\n var _finalizers = this._finalizers;\n if (_finalizers) {\n this._finalizers = null;\n try {\n for (var _finalizers_1 = __values(_finalizers), _finalizers_1_1 = _finalizers_1.next(); !_finalizers_1_1.done; _finalizers_1_1 = _finalizers_1.next()) {\n var finalizer = _finalizers_1_1.value;\n try {\n execFinalizer(finalizer);\n }\n catch (err) {\n errors = errors !== null && errors !== void 0 ? errors : [];\n if (err instanceof UnsubscriptionError) {\n errors = __spreadArray(__spreadArray([], __read(errors)), __read(err.errors));\n }\n else {\n errors.push(err);\n }\n }\n }\n }\n catch (e_2_1) { e_2 = { error: e_2_1 }; }\n finally {\n try {\n if (_finalizers_1_1 && !_finalizers_1_1.done && (_b = _finalizers_1.return)) _b.call(_finalizers_1);\n }\n finally { if (e_2) throw e_2.error; }\n }\n }\n if (errors) {\n throw new UnsubscriptionError(errors);\n }\n }\n };\n Subscription.prototype.add = function (teardown) {\n var _a;\n if (teardown && teardown !== this) {\n if (this.closed) {\n execFinalizer(teardown);\n }\n else {\n if (teardown instanceof Subscription) {\n if (teardown.closed || teardown._hasParent(this)) {\n return;\n }\n teardown._addParent(this);\n }\n (this._finalizers = (_a = this._finalizers) !== null && _a !== void 0 ? _a : []).push(teardown);\n }\n }\n };\n Subscription.prototype._hasParent = function (parent) {\n var _parentage = this._parentage;\n return _parentage === parent || (Array.isArray(_parentage) && _parentage.includes(parent));\n };\n Subscription.prototype._addParent = function (parent) {\n var _parentage = this._parentage;\n this._parentage = Array.isArray(_parentage) ? (_parentage.push(parent), _parentage) : _parentage ? [_parentage, parent] : parent;\n };\n Subscription.prototype._removeParent = function (parent) {\n var _parentage = this._parentage;\n if (_parentage === parent) {\n this._parentage = null;\n }\n else if (Array.isArray(_parentage)) {\n arrRemove(_parentage, parent);\n }\n };\n Subscription.prototype.remove = function (teardown) {\n var _finalizers = this._finalizers;\n _finalizers && arrRemove(_finalizers, teardown);\n if (teardown instanceof Subscription) {\n teardown._removeParent(this);\n }\n };\n Subscription.EMPTY = (function () {\n var empty = new Subscription();\n empty.closed = true;\n return empty;\n })();\n return Subscription;\n}());\nexport { Subscription };\nexport var EMPTY_SUBSCRIPTION = Subscription.EMPTY;\nexport function isSubscription(value) {\n return (value instanceof Subscription ||\n (value && 'closed' in value && isFunction(value.remove) && isFunction(value.add) && isFunction(value.unsubscribe)));\n}\nfunction execFinalizer(finalizer) {\n if (isFunction(finalizer)) {\n finalizer();\n }\n else {\n finalizer.unsubscribe();\n }\n}\n", "export var config = {\n onUnhandledError: null,\n onStoppedNotification: null,\n Promise: undefined,\n useDeprecatedSynchronousErrorHandling: false,\n useDeprecatedNextContext: false,\n};\n", "import { __read, __spreadArray } from \"tslib\";\nexport var timeoutProvider = {\n setTimeout: function (handler, timeout) {\n var args = [];\n for (var _i = 2; _i < arguments.length; _i++) {\n args[_i - 2] = arguments[_i];\n }\n var delegate = timeoutProvider.delegate;\n if (delegate === null || delegate === void 0 ? void 0 : delegate.setTimeout) {\n return delegate.setTimeout.apply(delegate, __spreadArray([handler, timeout], __read(args)));\n }\n return setTimeout.apply(void 0, __spreadArray([handler, timeout], __read(args)));\n },\n clearTimeout: function (handle) {\n var delegate = timeoutProvider.delegate;\n return ((delegate === null || delegate === void 0 ? void 0 : delegate.clearTimeout) || clearTimeout)(handle);\n },\n delegate: undefined,\n};\n", "import { config } from '../config';\nimport { timeoutProvider } from '../scheduler/timeoutProvider';\nexport function reportUnhandledError(err) {\n timeoutProvider.setTimeout(function () {\n var onUnhandledError = config.onUnhandledError;\n if (onUnhandledError) {\n onUnhandledError(err);\n }\n else {\n throw err;\n }\n });\n}\n", "export function noop() { }\n", "export var COMPLETE_NOTIFICATION = (function () { return createNotification('C', undefined, undefined); })();\nexport function errorNotification(error) {\n return createNotification('E', undefined, error);\n}\nexport function nextNotification(value) {\n return createNotification('N', value, undefined);\n}\nexport function createNotification(kind, value, error) {\n return {\n kind: kind,\n value: value,\n error: error,\n };\n}\n", "import { config } from '../config';\nvar context = null;\nexport function errorContext(cb) {\n if (config.useDeprecatedSynchronousErrorHandling) {\n var isRoot = !context;\n if (isRoot) {\n context = { errorThrown: false, error: null };\n }\n cb();\n if (isRoot) {\n var _a = context, errorThrown = _a.errorThrown, error = _a.error;\n context = null;\n if (errorThrown) {\n throw error;\n }\n }\n }\n else {\n cb();\n }\n}\nexport function captureError(err) {\n if (config.useDeprecatedSynchronousErrorHandling && context) {\n context.errorThrown = true;\n context.error = err;\n }\n}\n", "import { __extends } from \"tslib\";\nimport { isFunction } from './util/isFunction';\nimport { isSubscription, Subscription } from './Subscription';\nimport { config } from './config';\nimport { reportUnhandledError } from './util/reportUnhandledError';\nimport { noop } from './util/noop';\nimport { nextNotification, errorNotification, COMPLETE_NOTIFICATION } from './NotificationFactories';\nimport { timeoutProvider } from './scheduler/timeoutProvider';\nimport { captureError } from './util/errorContext';\nvar Subscriber = (function (_super) {\n __extends(Subscriber, _super);\n function Subscriber(destination) {\n var _this = _super.call(this) || this;\n _this.isStopped = false;\n if (destination) {\n _this.destination = destination;\n if (isSubscription(destination)) {\n destination.add(_this);\n }\n }\n else {\n _this.destination = EMPTY_OBSERVER;\n }\n return _this;\n }\n Subscriber.create = function (next, error, complete) {\n return new SafeSubscriber(next, error, complete);\n };\n Subscriber.prototype.next = function (value) {\n if (this.isStopped) {\n handleStoppedNotification(nextNotification(value), this);\n }\n else {\n this._next(value);\n }\n };\n Subscriber.prototype.error = function (err) {\n if (this.isStopped) {\n handleStoppedNotification(errorNotification(err), this);\n }\n else {\n this.isStopped = true;\n this._error(err);\n }\n };\n Subscriber.prototype.complete = function () {\n if (this.isStopped) {\n handleStoppedNotification(COMPLETE_NOTIFICATION, this);\n }\n else {\n this.isStopped = true;\n this._complete();\n }\n };\n Subscriber.prototype.unsubscribe = function () {\n if (!this.closed) {\n this.isStopped = true;\n _super.prototype.unsubscribe.call(this);\n this.destination = null;\n }\n };\n Subscriber.prototype._next = function (value) {\n this.destination.next(value);\n };\n Subscriber.prototype._error = function (err) {\n try {\n this.destination.error(err);\n }\n finally {\n this.unsubscribe();\n }\n };\n Subscriber.prototype._complete = function () {\n try {\n this.destination.complete();\n }\n finally {\n this.unsubscribe();\n }\n };\n return Subscriber;\n}(Subscription));\nexport { Subscriber };\nvar _bind = Function.prototype.bind;\nfunction bind(fn, thisArg) {\n return _bind.call(fn, thisArg);\n}\nvar ConsumerObserver = (function () {\n function ConsumerObserver(partialObserver) {\n this.partialObserver = partialObserver;\n }\n ConsumerObserver.prototype.next = function (value) {\n var partialObserver = this.partialObserver;\n if (partialObserver.next) {\n try {\n partialObserver.next(value);\n }\n catch (error) {\n handleUnhandledError(error);\n }\n }\n };\n ConsumerObserver.prototype.error = function (err) {\n var partialObserver = this.partialObserver;\n if (partialObserver.error) {\n try {\n partialObserver.error(err);\n }\n catch (error) {\n handleUnhandledError(error);\n }\n }\n else {\n handleUnhandledError(err);\n }\n };\n ConsumerObserver.prototype.complete = function () {\n var partialObserver = this.partialObserver;\n if (partialObserver.complete) {\n try {\n partialObserver.complete();\n }\n catch (error) {\n handleUnhandledError(error);\n }\n }\n };\n return ConsumerObserver;\n}());\nvar SafeSubscriber = (function (_super) {\n __extends(SafeSubscriber, _super);\n function SafeSubscriber(observerOrNext, error, complete) {\n var _this = _super.call(this) || this;\n var partialObserver;\n if (isFunction(observerOrNext) || !observerOrNext) {\n partialObserver = {\n next: (observerOrNext !== null && observerOrNext !== void 0 ? observerOrNext : undefined),\n error: error !== null && error !== void 0 ? error : undefined,\n complete: complete !== null && complete !== void 0 ? complete : undefined,\n };\n }\n else {\n var context_1;\n if (_this && config.useDeprecatedNextContext) {\n context_1 = Object.create(observerOrNext);\n context_1.unsubscribe = function () { return _this.unsubscribe(); };\n partialObserver = {\n next: observerOrNext.next && bind(observerOrNext.next, context_1),\n error: observerOrNext.error && bind(observerOrNext.error, context_1),\n complete: observerOrNext.complete && bind(observerOrNext.complete, context_1),\n };\n }\n else {\n partialObserver = observerOrNext;\n }\n }\n _this.destination = new ConsumerObserver(partialObserver);\n return _this;\n }\n return SafeSubscriber;\n}(Subscriber));\nexport { SafeSubscriber };\nfunction handleUnhandledError(error) {\n if (config.useDeprecatedSynchronousErrorHandling) {\n captureError(error);\n }\n else {\n reportUnhandledError(error);\n }\n}\nfunction defaultErrorHandler(err) {\n throw err;\n}\nfunction handleStoppedNotification(notification, subscriber) {\n var onStoppedNotification = config.onStoppedNotification;\n onStoppedNotification && timeoutProvider.setTimeout(function () { return onStoppedNotification(notification, subscriber); });\n}\nexport var EMPTY_OBSERVER = {\n closed: true,\n next: noop,\n error: defaultErrorHandler,\n complete: noop,\n};\n", "export var observable = (function () { return (typeof Symbol === 'function' && Symbol.observable) || '@@observable'; })();\n", "export function identity(x) {\n return x;\n}\n", "import { identity } from './identity';\nexport function pipe() {\n var fns = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n fns[_i] = arguments[_i];\n }\n return pipeFromArray(fns);\n}\nexport function pipeFromArray(fns) {\n if (fns.length === 0) {\n return identity;\n }\n if (fns.length === 1) {\n return fns[0];\n }\n return function piped(input) {\n return fns.reduce(function (prev, fn) { return fn(prev); }, input);\n };\n}\n", "import { SafeSubscriber, Subscriber } from './Subscriber';\nimport { isSubscription } from './Subscription';\nimport { observable as Symbol_observable } from './symbol/observable';\nimport { pipeFromArray } from './util/pipe';\nimport { config } from './config';\nimport { isFunction } from './util/isFunction';\nimport { errorContext } from './util/errorContext';\nvar Observable = (function () {\n function Observable(subscribe) {\n if (subscribe) {\n this._subscribe = subscribe;\n }\n }\n Observable.prototype.lift = function (operator) {\n var observable = new Observable();\n observable.source = this;\n observable.operator = operator;\n return observable;\n };\n Observable.prototype.subscribe = function (observerOrNext, error, complete) {\n var _this = this;\n var subscriber = isSubscriber(observerOrNext) ? observerOrNext : new SafeSubscriber(observerOrNext, error, complete);\n errorContext(function () {\n var _a = _this, operator = _a.operator, source = _a.source;\n subscriber.add(operator\n ?\n operator.call(subscriber, source)\n : source\n ?\n _this._subscribe(subscriber)\n :\n _this._trySubscribe(subscriber));\n });\n return subscriber;\n };\n Observable.prototype._trySubscribe = function (sink) {\n try {\n return this._subscribe(sink);\n }\n catch (err) {\n sink.error(err);\n }\n };\n Observable.prototype.forEach = function (next, promiseCtor) {\n var _this = this;\n promiseCtor = getPromiseCtor(promiseCtor);\n return new promiseCtor(function (resolve, reject) {\n var subscriber = new SafeSubscriber({\n next: function (value) {\n try {\n next(value);\n }\n catch (err) {\n reject(err);\n subscriber.unsubscribe();\n }\n },\n error: reject,\n complete: resolve,\n });\n _this.subscribe(subscriber);\n });\n };\n Observable.prototype._subscribe = function (subscriber) {\n var _a;\n return (_a = this.source) === null || _a === void 0 ? void 0 : _a.subscribe(subscriber);\n };\n Observable.prototype[Symbol_observable] = function () {\n return this;\n };\n Observable.prototype.pipe = function () {\n var operations = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n operations[_i] = arguments[_i];\n }\n return pipeFromArray(operations)(this);\n };\n Observable.prototype.toPromise = function (promiseCtor) {\n var _this = this;\n promiseCtor = getPromiseCtor(promiseCtor);\n return new promiseCtor(function (resolve, reject) {\n var value;\n _this.subscribe(function (x) { return (value = x); }, function (err) { return reject(err); }, function () { return resolve(value); });\n });\n };\n Observable.create = function (subscribe) {\n return new Observable(subscribe);\n };\n return Observable;\n}());\nexport { Observable };\nfunction getPromiseCtor(promiseCtor) {\n var _a;\n return (_a = promiseCtor !== null && promiseCtor !== void 0 ? promiseCtor : config.Promise) !== null && _a !== void 0 ? _a : Promise;\n}\nfunction isObserver(value) {\n return value && isFunction(value.next) && isFunction(value.error) && isFunction(value.complete);\n}\nfunction isSubscriber(value) {\n return (value && value instanceof Subscriber) || (isObserver(value) && isSubscription(value));\n}\n", "import { isFunction } from './isFunction';\nexport function hasLift(source) {\n return isFunction(source === null || source === void 0 ? void 0 : source.lift);\n}\nexport function operate(init) {\n return function (source) {\n if (hasLift(source)) {\n return source.lift(function (liftedSource) {\n try {\n return init(liftedSource, this);\n }\n catch (err) {\n this.error(err);\n }\n });\n }\n throw new TypeError('Unable to lift unknown Observable type');\n };\n}\n", "import { __extends } from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nexport function createOperatorSubscriber(destination, onNext, onComplete, onError, onFinalize) {\n return new OperatorSubscriber(destination, onNext, onComplete, onError, onFinalize);\n}\nvar OperatorSubscriber = (function (_super) {\n __extends(OperatorSubscriber, _super);\n function OperatorSubscriber(destination, onNext, onComplete, onError, onFinalize, shouldUnsubscribe) {\n var _this = _super.call(this, destination) || this;\n _this.onFinalize = onFinalize;\n _this.shouldUnsubscribe = shouldUnsubscribe;\n _this._next = onNext\n ? function (value) {\n try {\n onNext(value);\n }\n catch (err) {\n destination.error(err);\n }\n }\n : _super.prototype._next;\n _this._error = onError\n ? function (err) {\n try {\n onError(err);\n }\n catch (err) {\n destination.error(err);\n }\n finally {\n this.unsubscribe();\n }\n }\n : _super.prototype._error;\n _this._complete = onComplete\n ? function () {\n try {\n onComplete();\n }\n catch (err) {\n destination.error(err);\n }\n finally {\n this.unsubscribe();\n }\n }\n : _super.prototype._complete;\n return _this;\n }\n OperatorSubscriber.prototype.unsubscribe = function () {\n var _a;\n if (!this.shouldUnsubscribe || this.shouldUnsubscribe()) {\n var closed_1 = this.closed;\n _super.prototype.unsubscribe.call(this);\n !closed_1 && ((_a = this.onFinalize) === null || _a === void 0 ? void 0 : _a.call(this));\n }\n };\n return OperatorSubscriber;\n}(Subscriber));\nexport { OperatorSubscriber };\n", "import { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\nexport function refCount() {\n return operate(function (source, subscriber) {\n var connection = null;\n source._refCount++;\n var refCounter = createOperatorSubscriber(subscriber, undefined, undefined, undefined, function () {\n if (!source || source._refCount <= 0 || 0 < --source._refCount) {\n connection = null;\n return;\n }\n var sharedConnection = source._connection;\n var conn = connection;\n connection = null;\n if (sharedConnection && (!conn || sharedConnection === conn)) {\n sharedConnection.unsubscribe();\n }\n subscriber.unsubscribe();\n });\n source.subscribe(refCounter);\n if (!refCounter.closed) {\n connection = source.connect();\n }\n });\n}\n", "import { __extends } from \"tslib\";\nimport { Observable } from '../Observable';\nimport { Subscription } from '../Subscription';\nimport { refCount as higherOrderRefCount } from '../operators/refCount';\nimport { createOperatorSubscriber } from '../operators/OperatorSubscriber';\nimport { hasLift } from '../util/lift';\nvar ConnectableObservable = (function (_super) {\n __extends(ConnectableObservable, _super);\n function ConnectableObservable(source, subjectFactory) {\n var _this = _super.call(this) || this;\n _this.source = source;\n _this.subjectFactory = subjectFactory;\n _this._subject = null;\n _this._refCount = 0;\n _this._connection = null;\n if (hasLift(source)) {\n _this.lift = source.lift;\n }\n return _this;\n }\n ConnectableObservable.prototype._subscribe = function (subscriber) {\n return this.getSubject().subscribe(subscriber);\n };\n ConnectableObservable.prototype.getSubject = function () {\n var subject = this._subject;\n if (!subject || subject.isStopped) {\n this._subject = this.subjectFactory();\n }\n return this._subject;\n };\n ConnectableObservable.prototype._teardown = function () {\n this._refCount = 0;\n var _connection = this._connection;\n this._subject = this._connection = null;\n _connection === null || _connection === void 0 ? void 0 : _connection.unsubscribe();\n };\n ConnectableObservable.prototype.connect = function () {\n var _this = this;\n var connection = this._connection;\n if (!connection) {\n connection = this._connection = new Subscription();\n var subject_1 = this.getSubject();\n connection.add(this.source.subscribe(createOperatorSubscriber(subject_1, undefined, function () {\n _this._teardown();\n subject_1.complete();\n }, function (err) {\n _this._teardown();\n subject_1.error(err);\n }, function () { return _this._teardown(); })));\n if (connection.closed) {\n this._connection = null;\n connection = Subscription.EMPTY;\n }\n }\n return connection;\n };\n ConnectableObservable.prototype.refCount = function () {\n return higherOrderRefCount()(this);\n };\n return ConnectableObservable;\n}(Observable));\nexport { ConnectableObservable };\n", "export var performanceTimestampProvider = {\n now: function () {\n return (performanceTimestampProvider.delegate || performance).now();\n },\n delegate: undefined,\n};\n", "import { __read, __spreadArray } from \"tslib\";\nimport { Subscription } from '../Subscription';\nexport var animationFrameProvider = {\n schedule: function (callback) {\n var request = requestAnimationFrame;\n var cancel = cancelAnimationFrame;\n var delegate = animationFrameProvider.delegate;\n if (delegate) {\n request = delegate.requestAnimationFrame;\n cancel = delegate.cancelAnimationFrame;\n }\n var handle = request(function (timestamp) {\n cancel = undefined;\n callback(timestamp);\n });\n return new Subscription(function () { return cancel === null || cancel === void 0 ? void 0 : cancel(handle); });\n },\n requestAnimationFrame: function () {\n var args = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n args[_i] = arguments[_i];\n }\n var delegate = animationFrameProvider.delegate;\n return ((delegate === null || delegate === void 0 ? void 0 : delegate.requestAnimationFrame) || requestAnimationFrame).apply(void 0, __spreadArray([], __read(args)));\n },\n cancelAnimationFrame: function () {\n var args = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n args[_i] = arguments[_i];\n }\n var delegate = animationFrameProvider.delegate;\n return ((delegate === null || delegate === void 0 ? void 0 : delegate.cancelAnimationFrame) || cancelAnimationFrame).apply(void 0, __spreadArray([], __read(args)));\n },\n delegate: undefined,\n};\n", "import { Observable } from '../../Observable';\nimport { performanceTimestampProvider } from '../../scheduler/performanceTimestampProvider';\nimport { animationFrameProvider } from '../../scheduler/animationFrameProvider';\nexport function animationFrames(timestampProvider) {\n return timestampProvider ? animationFramesFactory(timestampProvider) : DEFAULT_ANIMATION_FRAMES;\n}\nfunction animationFramesFactory(timestampProvider) {\n return new Observable(function (subscriber) {\n var provider = timestampProvider || performanceTimestampProvider;\n var start = provider.now();\n var id = 0;\n var run = function () {\n if (!subscriber.closed) {\n id = animationFrameProvider.requestAnimationFrame(function (timestamp) {\n id = 0;\n var now = provider.now();\n subscriber.next({\n timestamp: timestampProvider ? now : timestamp,\n elapsed: now - start,\n });\n run();\n });\n }\n };\n run();\n return function () {\n if (id) {\n animationFrameProvider.cancelAnimationFrame(id);\n }\n };\n });\n}\nvar DEFAULT_ANIMATION_FRAMES = animationFramesFactory();\n", "import { createErrorClass } from './createErrorClass';\nexport var ObjectUnsubscribedError = createErrorClass(function (_super) {\n return function ObjectUnsubscribedErrorImpl() {\n _super(this);\n this.name = 'ObjectUnsubscribedError';\n this.message = 'object unsubscribed';\n };\n});\n", "import { __extends, __values } from \"tslib\";\nimport { Observable } from './Observable';\nimport { Subscription, EMPTY_SUBSCRIPTION } from './Subscription';\nimport { ObjectUnsubscribedError } from './util/ObjectUnsubscribedError';\nimport { arrRemove } from './util/arrRemove';\nimport { errorContext } from './util/errorContext';\nvar Subject = (function (_super) {\n __extends(Subject, _super);\n function Subject() {\n var _this = _super.call(this) || this;\n _this.closed = false;\n _this.currentObservers = null;\n _this.observers = [];\n _this.isStopped = false;\n _this.hasError = false;\n _this.thrownError = null;\n return _this;\n }\n Subject.prototype.lift = function (operator) {\n var subject = new AnonymousSubject(this, this);\n subject.operator = operator;\n return subject;\n };\n Subject.prototype._throwIfClosed = function () {\n if (this.closed) {\n throw new ObjectUnsubscribedError();\n }\n };\n Subject.prototype.next = function (value) {\n var _this = this;\n errorContext(function () {\n var e_1, _a;\n _this._throwIfClosed();\n if (!_this.isStopped) {\n if (!_this.currentObservers) {\n _this.currentObservers = Array.from(_this.observers);\n }\n try {\n for (var _b = __values(_this.currentObservers), _c = _b.next(); !_c.done; _c = _b.next()) {\n var observer = _c.value;\n observer.next(value);\n }\n }\n catch (e_1_1) { e_1 = { error: e_1_1 }; }\n finally {\n try {\n if (_c && !_c.done && (_a = _b.return)) _a.call(_b);\n }\n finally { if (e_1) throw e_1.error; }\n }\n }\n });\n };\n Subject.prototype.error = function (err) {\n var _this = this;\n errorContext(function () {\n _this._throwIfClosed();\n if (!_this.isStopped) {\n _this.hasError = _this.isStopped = true;\n _this.thrownError = err;\n var observers = _this.observers;\n while (observers.length) {\n observers.shift().error(err);\n }\n }\n });\n };\n Subject.prototype.complete = function () {\n var _this = this;\n errorContext(function () {\n _this._throwIfClosed();\n if (!_this.isStopped) {\n _this.isStopped = true;\n var observers = _this.observers;\n while (observers.length) {\n observers.shift().complete();\n }\n }\n });\n };\n Subject.prototype.unsubscribe = function () {\n this.isStopped = this.closed = true;\n this.observers = this.currentObservers = null;\n };\n Object.defineProperty(Subject.prototype, \"observed\", {\n get: function () {\n var _a;\n return ((_a = this.observers) === null || _a === void 0 ? void 0 : _a.length) > 0;\n },\n enumerable: false,\n configurable: true\n });\n Subject.prototype._trySubscribe = function (subscriber) {\n this._throwIfClosed();\n return _super.prototype._trySubscribe.call(this, subscriber);\n };\n Subject.prototype._subscribe = function (subscriber) {\n this._throwIfClosed();\n this._checkFinalizedStatuses(subscriber);\n return this._innerSubscribe(subscriber);\n };\n Subject.prototype._innerSubscribe = function (subscriber) {\n var _this = this;\n var _a = this, hasError = _a.hasError, isStopped = _a.isStopped, observers = _a.observers;\n if (hasError || isStopped) {\n return EMPTY_SUBSCRIPTION;\n }\n this.currentObservers = null;\n observers.push(subscriber);\n return new Subscription(function () {\n _this.currentObservers = null;\n arrRemove(observers, subscriber);\n });\n };\n Subject.prototype._checkFinalizedStatuses = function (subscriber) {\n var _a = this, hasError = _a.hasError, thrownError = _a.thrownError, isStopped = _a.isStopped;\n if (hasError) {\n subscriber.error(thrownError);\n }\n else if (isStopped) {\n subscriber.complete();\n }\n };\n Subject.prototype.asObservable = function () {\n var observable = new Observable();\n observable.source = this;\n return observable;\n };\n Subject.create = function (destination, source) {\n return new AnonymousSubject(destination, source);\n };\n return Subject;\n}(Observable));\nexport { Subject };\nvar AnonymousSubject = (function (_super) {\n __extends(AnonymousSubject, _super);\n function AnonymousSubject(destination, source) {\n var _this = _super.call(this) || this;\n _this.destination = destination;\n _this.source = source;\n return _this;\n }\n AnonymousSubject.prototype.next = function (value) {\n var _a, _b;\n (_b = (_a = this.destination) === null || _a === void 0 ? void 0 : _a.next) === null || _b === void 0 ? void 0 : _b.call(_a, value);\n };\n AnonymousSubject.prototype.error = function (err) {\n var _a, _b;\n (_b = (_a = this.destination) === null || _a === void 0 ? void 0 : _a.error) === null || _b === void 0 ? void 0 : _b.call(_a, err);\n };\n AnonymousSubject.prototype.complete = function () {\n var _a, _b;\n (_b = (_a = this.destination) === null || _a === void 0 ? void 0 : _a.complete) === null || _b === void 0 ? void 0 : _b.call(_a);\n };\n AnonymousSubject.prototype._subscribe = function (subscriber) {\n var _a, _b;\n return (_b = (_a = this.source) === null || _a === void 0 ? void 0 : _a.subscribe(subscriber)) !== null && _b !== void 0 ? _b : EMPTY_SUBSCRIPTION;\n };\n return AnonymousSubject;\n}(Subject));\nexport { AnonymousSubject };\n", "import { __extends } from \"tslib\";\nimport { Subject } from './Subject';\nvar BehaviorSubject = (function (_super) {\n __extends(BehaviorSubject, _super);\n function BehaviorSubject(_value) {\n var _this = _super.call(this) || this;\n _this._value = _value;\n return _this;\n }\n Object.defineProperty(BehaviorSubject.prototype, \"value\", {\n get: function () {\n return this.getValue();\n },\n enumerable: false,\n configurable: true\n });\n BehaviorSubject.prototype._subscribe = function (subscriber) {\n var subscription = _super.prototype._subscribe.call(this, subscriber);\n !subscription.closed && subscriber.next(this._value);\n return subscription;\n };\n BehaviorSubject.prototype.getValue = function () {\n var _a = this, hasError = _a.hasError, thrownError = _a.thrownError, _value = _a._value;\n if (hasError) {\n throw thrownError;\n }\n this._throwIfClosed();\n return _value;\n };\n BehaviorSubject.prototype.next = function (value) {\n _super.prototype.next.call(this, (this._value = value));\n };\n return BehaviorSubject;\n}(Subject));\nexport { BehaviorSubject };\n", "export var dateTimestampProvider = {\n now: function () {\n return (dateTimestampProvider.delegate || Date).now();\n },\n delegate: undefined,\n};\n", "import { __extends } from \"tslib\";\nimport { Subject } from './Subject';\nimport { dateTimestampProvider } from './scheduler/dateTimestampProvider';\nvar ReplaySubject = (function (_super) {\n __extends(ReplaySubject, _super);\n function ReplaySubject(_bufferSize, _windowTime, _timestampProvider) {\n if (_bufferSize === void 0) { _bufferSize = Infinity; }\n if (_windowTime === void 0) { _windowTime = Infinity; }\n if (_timestampProvider === void 0) { _timestampProvider = dateTimestampProvider; }\n var _this = _super.call(this) || this;\n _this._bufferSize = _bufferSize;\n _this._windowTime = _windowTime;\n _this._timestampProvider = _timestampProvider;\n _this._buffer = [];\n _this._infiniteTimeWindow = true;\n _this._infiniteTimeWindow = _windowTime === Infinity;\n _this._bufferSize = Math.max(1, _bufferSize);\n _this._windowTime = Math.max(1, _windowTime);\n return _this;\n }\n ReplaySubject.prototype.next = function (value) {\n var _a = this, isStopped = _a.isStopped, _buffer = _a._buffer, _infiniteTimeWindow = _a._infiniteTimeWindow, _timestampProvider = _a._timestampProvider, _windowTime = _a._windowTime;\n if (!isStopped) {\n _buffer.push(value);\n !_infiniteTimeWindow && _buffer.push(_timestampProvider.now() + _windowTime);\n }\n this._trimBuffer();\n _super.prototype.next.call(this, value);\n };\n ReplaySubject.prototype._subscribe = function (subscriber) {\n this._throwIfClosed();\n this._trimBuffer();\n var subscription = this._innerSubscribe(subscriber);\n var _a = this, _infiniteTimeWindow = _a._infiniteTimeWindow, _buffer = _a._buffer;\n var copy = _buffer.slice();\n for (var i = 0; i < copy.length && !subscriber.closed; i += _infiniteTimeWindow ? 1 : 2) {\n subscriber.next(copy[i]);\n }\n this._checkFinalizedStatuses(subscriber);\n return subscription;\n };\n ReplaySubject.prototype._trimBuffer = function () {\n var _a = this, _bufferSize = _a._bufferSize, _timestampProvider = _a._timestampProvider, _buffer = _a._buffer, _infiniteTimeWindow = _a._infiniteTimeWindow;\n var adjustedBufferSize = (_infiniteTimeWindow ? 1 : 2) * _bufferSize;\n _bufferSize < Infinity && adjustedBufferSize < _buffer.length && _buffer.splice(0, _buffer.length - adjustedBufferSize);\n if (!_infiniteTimeWindow) {\n var now = _timestampProvider.now();\n var last = 0;\n for (var i = 1; i < _buffer.length && _buffer[i] <= now; i += 2) {\n last = i;\n }\n last && _buffer.splice(0, last + 1);\n }\n };\n return ReplaySubject;\n}(Subject));\nexport { ReplaySubject };\n", "import { __extends } from \"tslib\";\nimport { Subject } from './Subject';\nvar AsyncSubject = (function (_super) {\n __extends(AsyncSubject, _super);\n function AsyncSubject() {\n var _this = _super !== null && _super.apply(this, arguments) || this;\n _this._value = null;\n _this._hasValue = false;\n _this._isComplete = false;\n return _this;\n }\n AsyncSubject.prototype._checkFinalizedStatuses = function (subscriber) {\n var _a = this, hasError = _a.hasError, _hasValue = _a._hasValue, _value = _a._value, thrownError = _a.thrownError, isStopped = _a.isStopped, _isComplete = _a._isComplete;\n if (hasError) {\n subscriber.error(thrownError);\n }\n else if (isStopped || _isComplete) {\n _hasValue && subscriber.next(_value);\n subscriber.complete();\n }\n };\n AsyncSubject.prototype.next = function (value) {\n if (!this.isStopped) {\n this._value = value;\n this._hasValue = true;\n }\n };\n AsyncSubject.prototype.complete = function () {\n var _a = this, _hasValue = _a._hasValue, _value = _a._value, _isComplete = _a._isComplete;\n if (!_isComplete) {\n this._isComplete = true;\n _hasValue && _super.prototype.next.call(this, _value);\n _super.prototype.complete.call(this);\n }\n };\n return AsyncSubject;\n}(Subject));\nexport { AsyncSubject };\n", "import { __extends } from \"tslib\";\nimport { Subscription } from '../Subscription';\nvar Action = (function (_super) {\n __extends(Action, _super);\n function Action(scheduler, work) {\n return _super.call(this) || this;\n }\n Action.prototype.schedule = function (state, delay) {\n if (delay === void 0) { delay = 0; }\n return this;\n };\n return Action;\n}(Subscription));\nexport { Action };\n", "import { __read, __spreadArray } from \"tslib\";\nexport var intervalProvider = {\n setInterval: function (handler, timeout) {\n var args = [];\n for (var _i = 2; _i < arguments.length; _i++) {\n args[_i - 2] = arguments[_i];\n }\n var delegate = intervalProvider.delegate;\n if (delegate === null || delegate === void 0 ? void 0 : delegate.setInterval) {\n return delegate.setInterval.apply(delegate, __spreadArray([handler, timeout], __read(args)));\n }\n return setInterval.apply(void 0, __spreadArray([handler, timeout], __read(args)));\n },\n clearInterval: function (handle) {\n var delegate = intervalProvider.delegate;\n return ((delegate === null || delegate === void 0 ? void 0 : delegate.clearInterval) || clearInterval)(handle);\n },\n delegate: undefined,\n};\n", "import { __extends } from \"tslib\";\nimport { Action } from './Action';\nimport { intervalProvider } from './intervalProvider';\nimport { arrRemove } from '../util/arrRemove';\nvar AsyncAction = (function (_super) {\n __extends(AsyncAction, _super);\n function AsyncAction(scheduler, work) {\n var _this = _super.call(this, scheduler, work) || this;\n _this.scheduler = scheduler;\n _this.work = work;\n _this.pending = false;\n return _this;\n }\n AsyncAction.prototype.schedule = function (state, delay) {\n var _a;\n if (delay === void 0) { delay = 0; }\n if (this.closed) {\n return this;\n }\n this.state = state;\n var id = this.id;\n var scheduler = this.scheduler;\n if (id != null) {\n this.id = this.recycleAsyncId(scheduler, id, delay);\n }\n this.pending = true;\n this.delay = delay;\n this.id = (_a = this.id) !== null && _a !== void 0 ? _a : this.requestAsyncId(scheduler, this.id, delay);\n return this;\n };\n AsyncAction.prototype.requestAsyncId = function (scheduler, _id, delay) {\n if (delay === void 0) { delay = 0; }\n return intervalProvider.setInterval(scheduler.flush.bind(scheduler, this), delay);\n };\n AsyncAction.prototype.recycleAsyncId = function (_scheduler, id, delay) {\n if (delay === void 0) { delay = 0; }\n if (delay != null && this.delay === delay && this.pending === false) {\n return id;\n }\n if (id != null) {\n intervalProvider.clearInterval(id);\n }\n return undefined;\n };\n AsyncAction.prototype.execute = function (state, delay) {\n if (this.closed) {\n return new Error('executing a cancelled action');\n }\n this.pending = false;\n var error = this._execute(state, delay);\n if (error) {\n return error;\n }\n else if (this.pending === false && this.id != null) {\n this.id = this.recycleAsyncId(this.scheduler, this.id, null);\n }\n };\n AsyncAction.prototype._execute = function (state, _delay) {\n var errored = false;\n var errorValue;\n try {\n this.work(state);\n }\n catch (e) {\n errored = true;\n errorValue = e ? e : new Error('Scheduled action threw falsy error');\n }\n if (errored) {\n this.unsubscribe();\n return errorValue;\n }\n };\n AsyncAction.prototype.unsubscribe = function () {\n if (!this.closed) {\n var _a = this, id = _a.id, scheduler = _a.scheduler;\n var actions = scheduler.actions;\n this.work = this.state = this.scheduler = null;\n this.pending = false;\n arrRemove(actions, this);\n if (id != null) {\n this.id = this.recycleAsyncId(scheduler, id, null);\n }\n this.delay = null;\n _super.prototype.unsubscribe.call(this);\n }\n };\n return AsyncAction;\n}(Action));\nexport { AsyncAction };\n", "var nextHandle = 1;\nvar resolved;\nvar activeHandles = {};\nfunction findAndClearHandle(handle) {\n if (handle in activeHandles) {\n delete activeHandles[handle];\n return true;\n }\n return false;\n}\nexport var Immediate = {\n setImmediate: function (cb) {\n var handle = nextHandle++;\n activeHandles[handle] = true;\n if (!resolved) {\n resolved = Promise.resolve();\n }\n resolved.then(function () { return findAndClearHandle(handle) && cb(); });\n return handle;\n },\n clearImmediate: function (handle) {\n findAndClearHandle(handle);\n },\n};\nexport var TestTools = {\n pending: function () {\n return Object.keys(activeHandles).length;\n }\n};\n", "import { __read, __spreadArray } from \"tslib\";\nimport { Immediate } from '../util/Immediate';\nvar setImmediate = Immediate.setImmediate, clearImmediate = Immediate.clearImmediate;\nexport var immediateProvider = {\n setImmediate: function () {\n var args = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n args[_i] = arguments[_i];\n }\n var delegate = immediateProvider.delegate;\n return ((delegate === null || delegate === void 0 ? void 0 : delegate.setImmediate) || setImmediate).apply(void 0, __spreadArray([], __read(args)));\n },\n clearImmediate: function (handle) {\n var delegate = immediateProvider.delegate;\n return ((delegate === null || delegate === void 0 ? void 0 : delegate.clearImmediate) || clearImmediate)(handle);\n },\n delegate: undefined,\n};\n", "import { __extends } from \"tslib\";\nimport { AsyncAction } from './AsyncAction';\nimport { immediateProvider } from './immediateProvider';\nvar AsapAction = (function (_super) {\n __extends(AsapAction, _super);\n function AsapAction(scheduler, work) {\n var _this = _super.call(this, scheduler, work) || this;\n _this.scheduler = scheduler;\n _this.work = work;\n return _this;\n }\n AsapAction.prototype.requestAsyncId = function (scheduler, id, delay) {\n if (delay === void 0) { delay = 0; }\n if (delay !== null && delay > 0) {\n return _super.prototype.requestAsyncId.call(this, scheduler, id, delay);\n }\n scheduler.actions.push(this);\n return scheduler._scheduled || (scheduler._scheduled = immediateProvider.setImmediate(scheduler.flush.bind(scheduler, undefined)));\n };\n AsapAction.prototype.recycleAsyncId = function (scheduler, id, delay) {\n var _a;\n if (delay === void 0) { delay = 0; }\n if (delay != null ? delay > 0 : this.delay > 0) {\n return _super.prototype.recycleAsyncId.call(this, scheduler, id, delay);\n }\n var actions = scheduler.actions;\n if (id != null && ((_a = actions[actions.length - 1]) === null || _a === void 0 ? void 0 : _a.id) !== id) {\n immediateProvider.clearImmediate(id);\n if (scheduler._scheduled === id) {\n scheduler._scheduled = undefined;\n }\n }\n return undefined;\n };\n return AsapAction;\n}(AsyncAction));\nexport { AsapAction };\n", "import { dateTimestampProvider } from './scheduler/dateTimestampProvider';\nvar Scheduler = (function () {\n function Scheduler(schedulerActionCtor, now) {\n if (now === void 0) { now = Scheduler.now; }\n this.schedulerActionCtor = schedulerActionCtor;\n this.now = now;\n }\n Scheduler.prototype.schedule = function (work, delay, state) {\n if (delay === void 0) { delay = 0; }\n return new this.schedulerActionCtor(this, work).schedule(state, delay);\n };\n Scheduler.now = dateTimestampProvider.now;\n return Scheduler;\n}());\nexport { Scheduler };\n", "import { __extends } from \"tslib\";\nimport { Scheduler } from '../Scheduler';\nvar AsyncScheduler = (function (_super) {\n __extends(AsyncScheduler, _super);\n function AsyncScheduler(SchedulerAction, now) {\n if (now === void 0) { now = Scheduler.now; }\n var _this = _super.call(this, SchedulerAction, now) || this;\n _this.actions = [];\n _this._active = false;\n return _this;\n }\n AsyncScheduler.prototype.flush = function (action) {\n var actions = this.actions;\n if (this._active) {\n actions.push(action);\n return;\n }\n var error;\n this._active = true;\n do {\n if ((error = action.execute(action.state, action.delay))) {\n break;\n }\n } while ((action = actions.shift()));\n this._active = false;\n if (error) {\n while ((action = actions.shift())) {\n action.unsubscribe();\n }\n throw error;\n }\n };\n return AsyncScheduler;\n}(Scheduler));\nexport { AsyncScheduler };\n", "import { __extends } from \"tslib\";\nimport { AsyncScheduler } from './AsyncScheduler';\nvar AsapScheduler = (function (_super) {\n __extends(AsapScheduler, _super);\n function AsapScheduler() {\n return _super !== null && _super.apply(this, arguments) || this;\n }\n AsapScheduler.prototype.flush = function (action) {\n this._active = true;\n var flushId = this._scheduled;\n this._scheduled = undefined;\n var actions = this.actions;\n var error;\n action = action || actions.shift();\n do {\n if ((error = action.execute(action.state, action.delay))) {\n break;\n }\n } while ((action = actions[0]) && action.id === flushId && actions.shift());\n this._active = false;\n if (error) {\n while ((action = actions[0]) && action.id === flushId && actions.shift()) {\n action.unsubscribe();\n }\n throw error;\n }\n };\n return AsapScheduler;\n}(AsyncScheduler));\nexport { AsapScheduler };\n", "import { AsapAction } from './AsapAction';\nimport { AsapScheduler } from './AsapScheduler';\nexport var asapScheduler = new AsapScheduler(AsapAction);\nexport var asap = asapScheduler;\n", "import { AsyncAction } from './AsyncAction';\nimport { AsyncScheduler } from './AsyncScheduler';\nexport var asyncScheduler = new AsyncScheduler(AsyncAction);\nexport var async = asyncScheduler;\n", "import { __extends } from \"tslib\";\nimport { AsyncAction } from './AsyncAction';\nvar QueueAction = (function (_super) {\n __extends(QueueAction, _super);\n function QueueAction(scheduler, work) {\n var _this = _super.call(this, scheduler, work) || this;\n _this.scheduler = scheduler;\n _this.work = work;\n return _this;\n }\n QueueAction.prototype.schedule = function (state, delay) {\n if (delay === void 0) { delay = 0; }\n if (delay > 0) {\n return _super.prototype.schedule.call(this, state, delay);\n }\n this.delay = delay;\n this.state = state;\n this.scheduler.flush(this);\n return this;\n };\n QueueAction.prototype.execute = function (state, delay) {\n return delay > 0 || this.closed ? _super.prototype.execute.call(this, state, delay) : this._execute(state, delay);\n };\n QueueAction.prototype.requestAsyncId = function (scheduler, id, delay) {\n if (delay === void 0) { delay = 0; }\n if ((delay != null && delay > 0) || (delay == null && this.delay > 0)) {\n return _super.prototype.requestAsyncId.call(this, scheduler, id, delay);\n }\n scheduler.flush(this);\n return 0;\n };\n return QueueAction;\n}(AsyncAction));\nexport { QueueAction };\n", "import { __extends } from \"tslib\";\nimport { AsyncScheduler } from './AsyncScheduler';\nvar QueueScheduler = (function (_super) {\n __extends(QueueScheduler, _super);\n function QueueScheduler() {\n return _super !== null && _super.apply(this, arguments) || this;\n }\n return QueueScheduler;\n}(AsyncScheduler));\nexport { QueueScheduler };\n", "import { QueueAction } from './QueueAction';\nimport { QueueScheduler } from './QueueScheduler';\nexport var queueScheduler = new QueueScheduler(QueueAction);\nexport var queue = queueScheduler;\n", "import { __extends } from \"tslib\";\nimport { AsyncAction } from './AsyncAction';\nimport { animationFrameProvider } from './animationFrameProvider';\nvar AnimationFrameAction = (function (_super) {\n __extends(AnimationFrameAction, _super);\n function AnimationFrameAction(scheduler, work) {\n var _this = _super.call(this, scheduler, work) || this;\n _this.scheduler = scheduler;\n _this.work = work;\n return _this;\n }\n AnimationFrameAction.prototype.requestAsyncId = function (scheduler, id, delay) {\n if (delay === void 0) { delay = 0; }\n if (delay !== null && delay > 0) {\n return _super.prototype.requestAsyncId.call(this, scheduler, id, delay);\n }\n scheduler.actions.push(this);\n return scheduler._scheduled || (scheduler._scheduled = animationFrameProvider.requestAnimationFrame(function () { return scheduler.flush(undefined); }));\n };\n AnimationFrameAction.prototype.recycleAsyncId = function (scheduler, id, delay) {\n var _a;\n if (delay === void 0) { delay = 0; }\n if (delay != null ? delay > 0 : this.delay > 0) {\n return _super.prototype.recycleAsyncId.call(this, scheduler, id, delay);\n }\n var actions = scheduler.actions;\n if (id != null && ((_a = actions[actions.length - 1]) === null || _a === void 0 ? void 0 : _a.id) !== id) {\n animationFrameProvider.cancelAnimationFrame(id);\n scheduler._scheduled = undefined;\n }\n return undefined;\n };\n return AnimationFrameAction;\n}(AsyncAction));\nexport { AnimationFrameAction };\n", "import { __extends } from \"tslib\";\nimport { AsyncScheduler } from './AsyncScheduler';\nvar AnimationFrameScheduler = (function (_super) {\n __extends(AnimationFrameScheduler, _super);\n function AnimationFrameScheduler() {\n return _super !== null && _super.apply(this, arguments) || this;\n }\n AnimationFrameScheduler.prototype.flush = function (action) {\n this._active = true;\n var flushId = this._scheduled;\n this._scheduled = undefined;\n var actions = this.actions;\n var error;\n action = action || actions.shift();\n do {\n if ((error = action.execute(action.state, action.delay))) {\n break;\n }\n } while ((action = actions[0]) && action.id === flushId && actions.shift());\n this._active = false;\n if (error) {\n while ((action = actions[0]) && action.id === flushId && actions.shift()) {\n action.unsubscribe();\n }\n throw error;\n }\n };\n return AnimationFrameScheduler;\n}(AsyncScheduler));\nexport { AnimationFrameScheduler };\n", "import { AnimationFrameAction } from './AnimationFrameAction';\nimport { AnimationFrameScheduler } from './AnimationFrameScheduler';\nexport var animationFrameScheduler = new AnimationFrameScheduler(AnimationFrameAction);\nexport var animationFrame = animationFrameScheduler;\n", "import { __extends } from \"tslib\";\nimport { AsyncAction } from './AsyncAction';\nimport { Subscription } from '../Subscription';\nimport { AsyncScheduler } from './AsyncScheduler';\nvar VirtualTimeScheduler = (function (_super) {\n __extends(VirtualTimeScheduler, _super);\n function VirtualTimeScheduler(schedulerActionCtor, maxFrames) {\n if (schedulerActionCtor === void 0) { schedulerActionCtor = VirtualAction; }\n if (maxFrames === void 0) { maxFrames = Infinity; }\n var _this = _super.call(this, schedulerActionCtor, function () { return _this.frame; }) || this;\n _this.maxFrames = maxFrames;\n _this.frame = 0;\n _this.index = -1;\n return _this;\n }\n VirtualTimeScheduler.prototype.flush = function () {\n var _a = this, actions = _a.actions, maxFrames = _a.maxFrames;\n var error;\n var action;\n while ((action = actions[0]) && action.delay <= maxFrames) {\n actions.shift();\n this.frame = action.delay;\n if ((error = action.execute(action.state, action.delay))) {\n break;\n }\n }\n if (error) {\n while ((action = actions.shift())) {\n action.unsubscribe();\n }\n throw error;\n }\n };\n VirtualTimeScheduler.frameTimeFactor = 10;\n return VirtualTimeScheduler;\n}(AsyncScheduler));\nexport { VirtualTimeScheduler };\nvar VirtualAction = (function (_super) {\n __extends(VirtualAction, _super);\n function VirtualAction(scheduler, work, index) {\n if (index === void 0) { index = (scheduler.index += 1); }\n var _this = _super.call(this, scheduler, work) || this;\n _this.scheduler = scheduler;\n _this.work = work;\n _this.index = index;\n _this.active = true;\n _this.index = scheduler.index = index;\n return _this;\n }\n VirtualAction.prototype.schedule = function (state, delay) {\n if (delay === void 0) { delay = 0; }\n if (Number.isFinite(delay)) {\n if (!this.id) {\n return _super.prototype.schedule.call(this, state, delay);\n }\n this.active = false;\n var action = new VirtualAction(this.scheduler, this.work);\n this.add(action);\n return action.schedule(state, delay);\n }\n else {\n return Subscription.EMPTY;\n }\n };\n VirtualAction.prototype.requestAsyncId = function (scheduler, id, delay) {\n if (delay === void 0) { delay = 0; }\n this.delay = scheduler.frame + delay;\n var actions = scheduler.actions;\n actions.push(this);\n actions.sort(VirtualAction.sortActions);\n return 1;\n };\n VirtualAction.prototype.recycleAsyncId = function (scheduler, id, delay) {\n if (delay === void 0) { delay = 0; }\n return undefined;\n };\n VirtualAction.prototype._execute = function (state, delay) {\n if (this.active === true) {\n return _super.prototype._execute.call(this, state, delay);\n }\n };\n VirtualAction.sortActions = function (a, b) {\n if (a.delay === b.delay) {\n if (a.index === b.index) {\n return 0;\n }\n else if (a.index > b.index) {\n return 1;\n }\n else {\n return -1;\n }\n }\n else if (a.delay > b.delay) {\n return 1;\n }\n else {\n return -1;\n }\n };\n return VirtualAction;\n}(AsyncAction));\nexport { VirtualAction };\n", "import { Observable } from '../Observable';\nexport var EMPTY = new Observable(function (subscriber) { return subscriber.complete(); });\nexport function empty(scheduler) {\n return scheduler ? emptyScheduled(scheduler) : EMPTY;\n}\nfunction emptyScheduled(scheduler) {\n return new Observable(function (subscriber) { return scheduler.schedule(function () { return subscriber.complete(); }); });\n}\n", "import { isFunction } from './isFunction';\nexport function isScheduler(value) {\n return value && isFunction(value.schedule);\n}\n", "import { isFunction } from './isFunction';\nimport { isScheduler } from './isScheduler';\nfunction last(arr) {\n return arr[arr.length - 1];\n}\nexport function popResultSelector(args) {\n return isFunction(last(args)) ? args.pop() : undefined;\n}\nexport function popScheduler(args) {\n return isScheduler(last(args)) ? args.pop() : undefined;\n}\nexport function popNumber(args, defaultValue) {\n return typeof last(args) === 'number' ? args.pop() : defaultValue;\n}\n", "export var isArrayLike = (function (x) { return x && typeof x.length === 'number' && typeof x !== 'function'; });\n", "import { isFunction } from \"./isFunction\";\nexport function isPromise(value) {\n return isFunction(value === null || value === void 0 ? void 0 : value.then);\n}\n", "import { observable as Symbol_observable } from '../symbol/observable';\nimport { isFunction } from './isFunction';\nexport function isInteropObservable(input) {\n return isFunction(input[Symbol_observable]);\n}\n", "import { isFunction } from './isFunction';\nexport function isAsyncIterable(obj) {\n return Symbol.asyncIterator && isFunction(obj === null || obj === void 0 ? void 0 : obj[Symbol.asyncIterator]);\n}\n", "export function createInvalidObservableTypeError(input) {\n return new TypeError(\"You provided \" + (input !== null && typeof input === 'object' ? 'an invalid object' : \"'\" + input + \"'\") + \" where a stream was expected. You can provide an Observable, Promise, ReadableStream, Array, AsyncIterable, or Iterable.\");\n}\n", "export function getSymbolIterator() {\n if (typeof Symbol !== 'function' || !Symbol.iterator) {\n return '@@iterator';\n }\n return Symbol.iterator;\n}\nexport var iterator = getSymbolIterator();\n", "import { iterator as Symbol_iterator } from '../symbol/iterator';\nimport { isFunction } from './isFunction';\nexport function isIterable(input) {\n return isFunction(input === null || input === void 0 ? void 0 : input[Symbol_iterator]);\n}\n", "import { __asyncGenerator, __await, __generator } from \"tslib\";\nimport { isFunction } from './isFunction';\nexport function readableStreamLikeToAsyncGenerator(readableStream) {\n return __asyncGenerator(this, arguments, function readableStreamLikeToAsyncGenerator_1() {\n var reader, _a, value, done;\n return __generator(this, function (_b) {\n switch (_b.label) {\n case 0:\n reader = readableStream.getReader();\n _b.label = 1;\n case 1:\n _b.trys.push([1, , 9, 10]);\n _b.label = 2;\n case 2:\n if (!true) return [3, 8];\n return [4, __await(reader.read())];\n case 3:\n _a = _b.sent(), value = _a.value, done = _a.done;\n if (!done) return [3, 5];\n return [4, __await(void 0)];\n case 4: return [2, _b.sent()];\n case 5: return [4, __await(value)];\n case 6: return [4, _b.sent()];\n case 7:\n _b.sent();\n return [3, 2];\n case 8: return [3, 10];\n case 9:\n reader.releaseLock();\n return [7];\n case 10: return [2];\n }\n });\n });\n}\nexport function isReadableStreamLike(obj) {\n return isFunction(obj === null || obj === void 0 ? void 0 : obj.getReader);\n}\n", "import { __asyncValues, __awaiter, __generator, __values } from \"tslib\";\nimport { isArrayLike } from '../util/isArrayLike';\nimport { isPromise } from '../util/isPromise';\nimport { Observable } from '../Observable';\nimport { isInteropObservable } from '../util/isInteropObservable';\nimport { isAsyncIterable } from '../util/isAsyncIterable';\nimport { createInvalidObservableTypeError } from '../util/throwUnobservableError';\nimport { isIterable } from '../util/isIterable';\nimport { isReadableStreamLike, readableStreamLikeToAsyncGenerator } from '../util/isReadableStreamLike';\nimport { isFunction } from '../util/isFunction';\nimport { reportUnhandledError } from '../util/reportUnhandledError';\nimport { observable as Symbol_observable } from '../symbol/observable';\nexport function innerFrom(input) {\n if (input instanceof Observable) {\n return input;\n }\n if (input != null) {\n if (isInteropObservable(input)) {\n return fromInteropObservable(input);\n }\n if (isArrayLike(input)) {\n return fromArrayLike(input);\n }\n if (isPromise(input)) {\n return fromPromise(input);\n }\n if (isAsyncIterable(input)) {\n return fromAsyncIterable(input);\n }\n if (isIterable(input)) {\n return fromIterable(input);\n }\n if (isReadableStreamLike(input)) {\n return fromReadableStreamLike(input);\n }\n }\n throw createInvalidObservableTypeError(input);\n}\nexport function fromInteropObservable(obj) {\n return new Observable(function (subscriber) {\n var obs = obj[Symbol_observable]();\n if (isFunction(obs.subscribe)) {\n return obs.subscribe(subscriber);\n }\n throw new TypeError('Provided object does not correctly implement Symbol.observable');\n });\n}\nexport function fromArrayLike(array) {\n return new Observable(function (subscriber) {\n for (var i = 0; i < array.length && !subscriber.closed; i++) {\n subscriber.next(array[i]);\n }\n subscriber.complete();\n });\n}\nexport function fromPromise(promise) {\n return new Observable(function (subscriber) {\n promise\n .then(function (value) {\n if (!subscriber.closed) {\n subscriber.next(value);\n subscriber.complete();\n }\n }, function (err) { return subscriber.error(err); })\n .then(null, reportUnhandledError);\n });\n}\nexport function fromIterable(iterable) {\n return new Observable(function (subscriber) {\n var e_1, _a;\n try {\n for (var iterable_1 = __values(iterable), iterable_1_1 = iterable_1.next(); !iterable_1_1.done; iterable_1_1 = iterable_1.next()) {\n var value = iterable_1_1.value;\n subscriber.next(value);\n if (subscriber.closed) {\n return;\n }\n }\n }\n catch (e_1_1) { e_1 = { error: e_1_1 }; }\n finally {\n try {\n if (iterable_1_1 && !iterable_1_1.done && (_a = iterable_1.return)) _a.call(iterable_1);\n }\n finally { if (e_1) throw e_1.error; }\n }\n subscriber.complete();\n });\n}\nexport function fromAsyncIterable(asyncIterable) {\n return new Observable(function (subscriber) {\n process(asyncIterable, subscriber).catch(function (err) { return subscriber.error(err); });\n });\n}\nexport function fromReadableStreamLike(readableStream) {\n return fromAsyncIterable(readableStreamLikeToAsyncGenerator(readableStream));\n}\nfunction process(asyncIterable, subscriber) {\n var asyncIterable_1, asyncIterable_1_1;\n var e_2, _a;\n return __awaiter(this, void 0, void 0, function () {\n var value, e_2_1;\n return __generator(this, function (_b) {\n switch (_b.label) {\n case 0:\n _b.trys.push([0, 5, 6, 11]);\n asyncIterable_1 = __asyncValues(asyncIterable);\n _b.label = 1;\n case 1: return [4, asyncIterable_1.next()];\n case 2:\n if (!(asyncIterable_1_1 = _b.sent(), !asyncIterable_1_1.done)) return [3, 4];\n value = asyncIterable_1_1.value;\n subscriber.next(value);\n if (subscriber.closed) {\n return [2];\n }\n _b.label = 3;\n case 3: return [3, 1];\n case 4: return [3, 11];\n case 5:\n e_2_1 = _b.sent();\n e_2 = { error: e_2_1 };\n return [3, 11];\n case 6:\n _b.trys.push([6, , 9, 10]);\n if (!(asyncIterable_1_1 && !asyncIterable_1_1.done && (_a = asyncIterable_1.return))) return [3, 8];\n return [4, _a.call(asyncIterable_1)];\n case 7:\n _b.sent();\n _b.label = 8;\n case 8: return [3, 10];\n case 9:\n if (e_2) throw e_2.error;\n return [7];\n case 10: return [7];\n case 11:\n subscriber.complete();\n return [2];\n }\n });\n });\n}\n", "export function executeSchedule(parentSubscription, scheduler, work, delay, repeat) {\n if (delay === void 0) { delay = 0; }\n if (repeat === void 0) { repeat = false; }\n var scheduleSubscription = scheduler.schedule(function () {\n work();\n if (repeat) {\n parentSubscription.add(this.schedule(null, delay));\n }\n else {\n this.unsubscribe();\n }\n }, delay);\n parentSubscription.add(scheduleSubscription);\n if (!repeat) {\n return scheduleSubscription;\n }\n}\n", "import { executeSchedule } from '../util/executeSchedule';\nimport { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\nexport function observeOn(scheduler, delay) {\n if (delay === void 0) { delay = 0; }\n return operate(function (source, subscriber) {\n source.subscribe(createOperatorSubscriber(subscriber, function (value) { return executeSchedule(subscriber, scheduler, function () { return subscriber.next(value); }, delay); }, function () { return executeSchedule(subscriber, scheduler, function () { return subscriber.complete(); }, delay); }, function (err) { return executeSchedule(subscriber, scheduler, function () { return subscriber.error(err); }, delay); }));\n });\n}\n", "import { operate } from '../util/lift';\nexport function subscribeOn(scheduler, delay) {\n if (delay === void 0) { delay = 0; }\n return operate(function (source, subscriber) {\n subscriber.add(scheduler.schedule(function () { return source.subscribe(subscriber); }, delay));\n });\n}\n", "import { innerFrom } from '../observable/innerFrom';\nimport { observeOn } from '../operators/observeOn';\nimport { subscribeOn } from '../operators/subscribeOn';\nexport function scheduleObservable(input, scheduler) {\n return innerFrom(input).pipe(subscribeOn(scheduler), observeOn(scheduler));\n}\n", "import { innerFrom } from '../observable/innerFrom';\nimport { observeOn } from '../operators/observeOn';\nimport { subscribeOn } from '../operators/subscribeOn';\nexport function schedulePromise(input, scheduler) {\n return innerFrom(input).pipe(subscribeOn(scheduler), observeOn(scheduler));\n}\n", "import { Observable } from '../Observable';\nexport function scheduleArray(input, scheduler) {\n return new Observable(function (subscriber) {\n var i = 0;\n return scheduler.schedule(function () {\n if (i === input.length) {\n subscriber.complete();\n }\n else {\n subscriber.next(input[i++]);\n if (!subscriber.closed) {\n this.schedule();\n }\n }\n });\n });\n}\n", "import { Observable } from '../Observable';\nimport { iterator as Symbol_iterator } from '../symbol/iterator';\nimport { isFunction } from '../util/isFunction';\nimport { executeSchedule } from '../util/executeSchedule';\nexport function scheduleIterable(input, scheduler) {\n return new Observable(function (subscriber) {\n var iterator;\n executeSchedule(subscriber, scheduler, function () {\n iterator = input[Symbol_iterator]();\n executeSchedule(subscriber, scheduler, function () {\n var _a;\n var value;\n var done;\n try {\n (_a = iterator.next(), value = _a.value, done = _a.done);\n }\n catch (err) {\n subscriber.error(err);\n return;\n }\n if (done) {\n subscriber.complete();\n }\n else {\n subscriber.next(value);\n }\n }, 0, true);\n });\n return function () { return isFunction(iterator === null || iterator === void 0 ? void 0 : iterator.return) && iterator.return(); };\n });\n}\n", "import { Observable } from '../Observable';\nimport { executeSchedule } from '../util/executeSchedule';\nexport function scheduleAsyncIterable(input, scheduler) {\n if (!input) {\n throw new Error('Iterable cannot be null');\n }\n return new Observable(function (subscriber) {\n executeSchedule(subscriber, scheduler, function () {\n var iterator = input[Symbol.asyncIterator]();\n executeSchedule(subscriber, scheduler, function () {\n iterator.next().then(function (result) {\n if (result.done) {\n subscriber.complete();\n }\n else {\n subscriber.next(result.value);\n }\n });\n }, 0, true);\n });\n });\n}\n", "import { scheduleAsyncIterable } from './scheduleAsyncIterable';\nimport { readableStreamLikeToAsyncGenerator } from '../util/isReadableStreamLike';\nexport function scheduleReadableStreamLike(input, scheduler) {\n return scheduleAsyncIterable(readableStreamLikeToAsyncGenerator(input), scheduler);\n}\n", "import { scheduleObservable } from './scheduleObservable';\nimport { schedulePromise } from './schedulePromise';\nimport { scheduleArray } from './scheduleArray';\nimport { scheduleIterable } from './scheduleIterable';\nimport { scheduleAsyncIterable } from './scheduleAsyncIterable';\nimport { isInteropObservable } from '../util/isInteropObservable';\nimport { isPromise } from '../util/isPromise';\nimport { isArrayLike } from '../util/isArrayLike';\nimport { isIterable } from '../util/isIterable';\nimport { isAsyncIterable } from '../util/isAsyncIterable';\nimport { createInvalidObservableTypeError } from '../util/throwUnobservableError';\nimport { isReadableStreamLike } from '../util/isReadableStreamLike';\nimport { scheduleReadableStreamLike } from './scheduleReadableStreamLike';\nexport function scheduled(input, scheduler) {\n if (input != null) {\n if (isInteropObservable(input)) {\n return scheduleObservable(input, scheduler);\n }\n if (isArrayLike(input)) {\n return scheduleArray(input, scheduler);\n }\n if (isPromise(input)) {\n return schedulePromise(input, scheduler);\n }\n if (isAsyncIterable(input)) {\n return scheduleAsyncIterable(input, scheduler);\n }\n if (isIterable(input)) {\n return scheduleIterable(input, scheduler);\n }\n if (isReadableStreamLike(input)) {\n return scheduleReadableStreamLike(input, scheduler);\n }\n }\n throw createInvalidObservableTypeError(input);\n}\n", "import { scheduled } from '../scheduled/scheduled';\nimport { innerFrom } from './innerFrom';\nexport function from(input, scheduler) {\n return scheduler ? scheduled(input, scheduler) : innerFrom(input);\n}\n", "import { popScheduler } from '../util/args';\nimport { from } from './from';\nexport function of() {\n var args = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n args[_i] = arguments[_i];\n }\n var scheduler = popScheduler(args);\n return from(args, scheduler);\n}\n", "import { Observable } from '../Observable';\nimport { isFunction } from '../util/isFunction';\nexport function throwError(errorOrErrorFactory, scheduler) {\n var errorFactory = isFunction(errorOrErrorFactory) ? errorOrErrorFactory : function () { return errorOrErrorFactory; };\n var init = function (subscriber) { return subscriber.error(errorFactory()); };\n return new Observable(scheduler ? function (subscriber) { return scheduler.schedule(init, 0, subscriber); } : init);\n}\n", "import { EMPTY } from './observable/empty';\nimport { of } from './observable/of';\nimport { throwError } from './observable/throwError';\nimport { isFunction } from './util/isFunction';\nexport var NotificationKind;\n(function (NotificationKind) {\n NotificationKind[\"NEXT\"] = \"N\";\n NotificationKind[\"ERROR\"] = \"E\";\n NotificationKind[\"COMPLETE\"] = \"C\";\n})(NotificationKind || (NotificationKind = {}));\nvar Notification = (function () {\n function Notification(kind, value, error) {\n this.kind = kind;\n this.value = value;\n this.error = error;\n this.hasValue = kind === 'N';\n }\n Notification.prototype.observe = function (observer) {\n return observeNotification(this, observer);\n };\n Notification.prototype.do = function (nextHandler, errorHandler, completeHandler) {\n var _a = this, kind = _a.kind, value = _a.value, error = _a.error;\n return kind === 'N' ? nextHandler === null || nextHandler === void 0 ? void 0 : nextHandler(value) : kind === 'E' ? errorHandler === null || errorHandler === void 0 ? void 0 : errorHandler(error) : completeHandler === null || completeHandler === void 0 ? void 0 : completeHandler();\n };\n Notification.prototype.accept = function (nextOrObserver, error, complete) {\n var _a;\n return isFunction((_a = nextOrObserver) === null || _a === void 0 ? void 0 : _a.next)\n ? this.observe(nextOrObserver)\n : this.do(nextOrObserver, error, complete);\n };\n Notification.prototype.toObservable = function () {\n var _a = this, kind = _a.kind, value = _a.value, error = _a.error;\n var result = kind === 'N'\n ?\n of(value)\n :\n kind === 'E'\n ?\n throwError(function () { return error; })\n :\n kind === 'C'\n ?\n EMPTY\n :\n 0;\n if (!result) {\n throw new TypeError(\"Unexpected notification kind \" + kind);\n }\n return result;\n };\n Notification.createNext = function (value) {\n return new Notification('N', value);\n };\n Notification.createError = function (err) {\n return new Notification('E', undefined, err);\n };\n Notification.createComplete = function () {\n return Notification.completeNotification;\n };\n Notification.completeNotification = new Notification('C');\n return Notification;\n}());\nexport { Notification };\nexport function observeNotification(notification, observer) {\n var _a, _b, _c;\n var _d = notification, kind = _d.kind, value = _d.value, error = _d.error;\n if (typeof kind !== 'string') {\n throw new TypeError('Invalid notification, missing \"kind\"');\n }\n kind === 'N' ? (_a = observer.next) === null || _a === void 0 ? void 0 : _a.call(observer, value) : kind === 'E' ? (_b = observer.error) === null || _b === void 0 ? void 0 : _b.call(observer, error) : (_c = observer.complete) === null || _c === void 0 ? void 0 : _c.call(observer);\n}\n", "import { Observable } from '../Observable';\nimport { isFunction } from './isFunction';\nexport function isObservable(obj) {\n return !!obj && (obj instanceof Observable || (isFunction(obj.lift) && isFunction(obj.subscribe)));\n}\n", "import { createErrorClass } from './createErrorClass';\nexport var EmptyError = createErrorClass(function (_super) { return function EmptyErrorImpl() {\n _super(this);\n this.name = 'EmptyError';\n this.message = 'no elements in sequence';\n}; });\n", "import { createErrorClass } from './createErrorClass';\nexport var ArgumentOutOfRangeError = createErrorClass(function (_super) {\n return function ArgumentOutOfRangeErrorImpl() {\n _super(this);\n this.name = 'ArgumentOutOfRangeError';\n this.message = 'argument out of range';\n };\n});\n", "import { createErrorClass } from './createErrorClass';\nexport var NotFoundError = createErrorClass(function (_super) {\n return function NotFoundErrorImpl(message) {\n _super(this);\n this.name = 'NotFoundError';\n this.message = message;\n };\n});\n", "import { createErrorClass } from './createErrorClass';\nexport var SequenceError = createErrorClass(function (_super) {\n return function SequenceErrorImpl(message) {\n _super(this);\n this.name = 'SequenceError';\n this.message = message;\n };\n});\n", "export function isValidDate(value) {\n return value instanceof Date && !isNaN(value);\n}\n", "import { asyncScheduler } from '../scheduler/async';\nimport { isValidDate } from '../util/isDate';\nimport { operate } from '../util/lift';\nimport { innerFrom } from '../observable/innerFrom';\nimport { createErrorClass } from '../util/createErrorClass';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\nimport { executeSchedule } from '../util/executeSchedule';\nexport var TimeoutError = createErrorClass(function (_super) {\n return function TimeoutErrorImpl(info) {\n if (info === void 0) { info = null; }\n _super(this);\n this.message = 'Timeout has occurred';\n this.name = 'TimeoutError';\n this.info = info;\n };\n});\nexport function timeout(config, schedulerArg) {\n var _a = (isValidDate(config) ? { first: config } : typeof config === 'number' ? { each: config } : config), first = _a.first, each = _a.each, _b = _a.with, _with = _b === void 0 ? timeoutErrorFactory : _b, _c = _a.scheduler, scheduler = _c === void 0 ? schedulerArg !== null && schedulerArg !== void 0 ? schedulerArg : asyncScheduler : _c, _d = _a.meta, meta = _d === void 0 ? null : _d;\n if (first == null && each == null) {\n throw new TypeError('No timeout provided.');\n }\n return operate(function (source, subscriber) {\n var originalSourceSubscription;\n var timerSubscription;\n var lastValue = null;\n var seen = 0;\n var startTimer = function (delay) {\n timerSubscription = executeSchedule(subscriber, scheduler, function () {\n try {\n originalSourceSubscription.unsubscribe();\n innerFrom(_with({\n meta: meta,\n lastValue: lastValue,\n seen: seen,\n })).subscribe(subscriber);\n }\n catch (err) {\n subscriber.error(err);\n }\n }, delay);\n };\n originalSourceSubscription = source.subscribe(createOperatorSubscriber(subscriber, function (value) {\n timerSubscription === null || timerSubscription === void 0 ? void 0 : timerSubscription.unsubscribe();\n seen++;\n subscriber.next((lastValue = value));\n each > 0 && startTimer(each);\n }, undefined, undefined, function () {\n if (!(timerSubscription === null || timerSubscription === void 0 ? void 0 : timerSubscription.closed)) {\n timerSubscription === null || timerSubscription === void 0 ? void 0 : timerSubscription.unsubscribe();\n }\n lastValue = null;\n }));\n !seen && startTimer(first != null ? (typeof first === 'number' ? first : +first - scheduler.now()) : each);\n });\n}\nfunction timeoutErrorFactory(info) {\n throw new TimeoutError(info);\n}\n", "import { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\nexport function map(project, thisArg) {\n return operate(function (source, subscriber) {\n var index = 0;\n source.subscribe(createOperatorSubscriber(subscriber, function (value) {\n subscriber.next(project.call(thisArg, value, index++));\n }));\n });\n}\n", "import { __read, __spreadArray } from \"tslib\";\nimport { map } from \"../operators/map\";\nvar isArray = Array.isArray;\nfunction callOrApply(fn, args) {\n return isArray(args) ? fn.apply(void 0, __spreadArray([], __read(args))) : fn(args);\n}\nexport function mapOneOrManyArgs(fn) {\n return map(function (args) { return callOrApply(fn, args); });\n}\n", "var isArray = Array.isArray;\nvar getPrototypeOf = Object.getPrototypeOf, objectProto = Object.prototype, getKeys = Object.keys;\nexport function argsArgArrayOrObject(args) {\n if (args.length === 1) {\n var first_1 = args[0];\n if (isArray(first_1)) {\n return { args: first_1, keys: null };\n }\n if (isPOJO(first_1)) {\n var keys = getKeys(first_1);\n return {\n args: keys.map(function (key) { return first_1[key]; }),\n keys: keys,\n };\n }\n }\n return { args: args, keys: null };\n}\nfunction isPOJO(obj) {\n return obj && typeof obj === 'object' && getPrototypeOf(obj) === objectProto;\n}\n", "export function createObject(keys, values) {\n return keys.reduce(function (result, key, i) { return ((result[key] = values[i]), result); }, {});\n}\n", "import { Observable } from '../Observable';\nimport { argsArgArrayOrObject } from '../util/argsArgArrayOrObject';\nimport { from } from './from';\nimport { identity } from '../util/identity';\nimport { mapOneOrManyArgs } from '../util/mapOneOrManyArgs';\nimport { popResultSelector, popScheduler } from '../util/args';\nimport { createObject } from '../util/createObject';\nimport { createOperatorSubscriber } from '../operators/OperatorSubscriber';\nimport { executeSchedule } from '../util/executeSchedule';\nexport function combineLatest() {\n var args = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n args[_i] = arguments[_i];\n }\n var scheduler = popScheduler(args);\n var resultSelector = popResultSelector(args);\n var _a = argsArgArrayOrObject(args), observables = _a.args, keys = _a.keys;\n if (observables.length === 0) {\n return from([], scheduler);\n }\n var result = new Observable(combineLatestInit(observables, scheduler, keys\n ?\n function (values) { return createObject(keys, values); }\n :\n identity));\n return resultSelector ? result.pipe(mapOneOrManyArgs(resultSelector)) : result;\n}\nexport function combineLatestInit(observables, scheduler, valueTransform) {\n if (valueTransform === void 0) { valueTransform = identity; }\n return function (subscriber) {\n maybeSchedule(scheduler, function () {\n var length = observables.length;\n var values = new Array(length);\n var active = length;\n var remainingFirstValues = length;\n var _loop_1 = function (i) {\n maybeSchedule(scheduler, function () {\n var source = from(observables[i], scheduler);\n var hasFirstValue = false;\n source.subscribe(createOperatorSubscriber(subscriber, function (value) {\n values[i] = value;\n if (!hasFirstValue) {\n hasFirstValue = true;\n remainingFirstValues--;\n }\n if (!remainingFirstValues) {\n subscriber.next(valueTransform(values.slice()));\n }\n }, function () {\n if (!--active) {\n subscriber.complete();\n }\n }));\n }, subscriber);\n };\n for (var i = 0; i < length; i++) {\n _loop_1(i);\n }\n }, subscriber);\n };\n}\nfunction maybeSchedule(scheduler, execute, subscription) {\n if (scheduler) {\n executeSchedule(subscription, scheduler, execute);\n }\n else {\n execute();\n }\n}\n", "import { innerFrom } from '../observable/innerFrom';\nimport { executeSchedule } from '../util/executeSchedule';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\nexport function mergeInternals(source, subscriber, project, concurrent, onBeforeNext, expand, innerSubScheduler, additionalFinalizer) {\n var buffer = [];\n var active = 0;\n var index = 0;\n var isComplete = false;\n var checkComplete = function () {\n if (isComplete && !buffer.length && !active) {\n subscriber.complete();\n }\n };\n var outerNext = function (value) { return (active < concurrent ? doInnerSub(value) : buffer.push(value)); };\n var doInnerSub = function (value) {\n expand && subscriber.next(value);\n active++;\n var innerComplete = false;\n innerFrom(project(value, index++)).subscribe(createOperatorSubscriber(subscriber, function (innerValue) {\n onBeforeNext === null || onBeforeNext === void 0 ? void 0 : onBeforeNext(innerValue);\n if (expand) {\n outerNext(innerValue);\n }\n else {\n subscriber.next(innerValue);\n }\n }, function () {\n innerComplete = true;\n }, undefined, function () {\n if (innerComplete) {\n try {\n active--;\n var _loop_1 = function () {\n var bufferedValue = buffer.shift();\n if (innerSubScheduler) {\n executeSchedule(subscriber, innerSubScheduler, function () { return doInnerSub(bufferedValue); });\n }\n else {\n doInnerSub(bufferedValue);\n }\n };\n while (buffer.length && active < concurrent) {\n _loop_1();\n }\n checkComplete();\n }\n catch (err) {\n subscriber.error(err);\n }\n }\n }));\n };\n source.subscribe(createOperatorSubscriber(subscriber, outerNext, function () {\n isComplete = true;\n checkComplete();\n }));\n return function () {\n additionalFinalizer === null || additionalFinalizer === void 0 ? void 0 : additionalFinalizer();\n };\n}\n", "import { map } from './map';\nimport { innerFrom } from '../observable/innerFrom';\nimport { operate } from '../util/lift';\nimport { mergeInternals } from './mergeInternals';\nimport { isFunction } from '../util/isFunction';\nexport function mergeMap(project, resultSelector, concurrent) {\n if (concurrent === void 0) { concurrent = Infinity; }\n if (isFunction(resultSelector)) {\n return mergeMap(function (a, i) { return map(function (b, ii) { return resultSelector(a, b, i, ii); })(innerFrom(project(a, i))); }, concurrent);\n }\n else if (typeof resultSelector === 'number') {\n concurrent = resultSelector;\n }\n return operate(function (source, subscriber) { return mergeInternals(source, subscriber, project, concurrent); });\n}\n", "import { mergeMap } from './mergeMap';\nimport { identity } from '../util/identity';\nexport function mergeAll(concurrent) {\n if (concurrent === void 0) { concurrent = Infinity; }\n return mergeMap(identity, concurrent);\n}\n", "import { mergeAll } from './mergeAll';\nexport function concatAll() {\n return mergeAll(1);\n}\n", "import { concatAll } from '../operators/concatAll';\nimport { popScheduler } from '../util/args';\nimport { from } from './from';\nexport function concat() {\n var args = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n args[_i] = arguments[_i];\n }\n return concatAll()(from(args, popScheduler(args)));\n}\n", "import { Observable } from '../Observable';\nimport { innerFrom } from './innerFrom';\nexport function defer(observableFactory) {\n return new Observable(function (subscriber) {\n innerFrom(observableFactory()).subscribe(subscriber);\n });\n}\n", "import { Observable } from '../Observable';\nimport { argsArgArrayOrObject } from '../util/argsArgArrayOrObject';\nimport { innerFrom } from './innerFrom';\nimport { popResultSelector } from '../util/args';\nimport { createOperatorSubscriber } from '../operators/OperatorSubscriber';\nimport { mapOneOrManyArgs } from '../util/mapOneOrManyArgs';\nimport { createObject } from '../util/createObject';\nexport function forkJoin() {\n var args = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n args[_i] = arguments[_i];\n }\n var resultSelector = popResultSelector(args);\n var _a = argsArgArrayOrObject(args), sources = _a.args, keys = _a.keys;\n var result = new Observable(function (subscriber) {\n var length = sources.length;\n if (!length) {\n subscriber.complete();\n return;\n }\n var values = new Array(length);\n var remainingCompletions = length;\n var remainingEmissions = length;\n var _loop_1 = function (sourceIndex) {\n var hasValue = false;\n innerFrom(sources[sourceIndex]).subscribe(createOperatorSubscriber(subscriber, function (value) {\n if (!hasValue) {\n hasValue = true;\n remainingEmissions--;\n }\n values[sourceIndex] = value;\n }, function () { return remainingCompletions--; }, undefined, function () {\n if (!remainingCompletions || !hasValue) {\n if (!remainingEmissions) {\n subscriber.next(keys ? createObject(keys, values) : values);\n }\n subscriber.complete();\n }\n }));\n };\n for (var sourceIndex = 0; sourceIndex < length; sourceIndex++) {\n _loop_1(sourceIndex);\n }\n });\n return resultSelector ? result.pipe(mapOneOrManyArgs(resultSelector)) : result;\n}\n", "import { __read } from \"tslib\";\nimport { innerFrom } from '../observable/innerFrom';\nimport { Observable } from '../Observable';\nimport { mergeMap } from '../operators/mergeMap';\nimport { isArrayLike } from '../util/isArrayLike';\nimport { isFunction } from '../util/isFunction';\nimport { mapOneOrManyArgs } from '../util/mapOneOrManyArgs';\nvar nodeEventEmitterMethods = ['addListener', 'removeListener'];\nvar eventTargetMethods = ['addEventListener', 'removeEventListener'];\nvar jqueryMethods = ['on', 'off'];\nexport function fromEvent(target, eventName, options, resultSelector) {\n if (isFunction(options)) {\n resultSelector = options;\n options = undefined;\n }\n if (resultSelector) {\n return fromEvent(target, eventName, options).pipe(mapOneOrManyArgs(resultSelector));\n }\n var _a = __read(isEventTarget(target)\n ? eventTargetMethods.map(function (methodName) { return function (handler) { return target[methodName](eventName, handler, options); }; })\n :\n isNodeStyleEventEmitter(target)\n ? nodeEventEmitterMethods.map(toCommonHandlerRegistry(target, eventName))\n : isJQueryStyleEventEmitter(target)\n ? jqueryMethods.map(toCommonHandlerRegistry(target, eventName))\n : [], 2), add = _a[0], remove = _a[1];\n if (!add) {\n if (isArrayLike(target)) {\n return mergeMap(function (subTarget) { return fromEvent(subTarget, eventName, options); })(innerFrom(target));\n }\n }\n if (!add) {\n throw new TypeError('Invalid event target');\n }\n return new Observable(function (subscriber) {\n var handler = function () {\n var args = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n args[_i] = arguments[_i];\n }\n return subscriber.next(1 < args.length ? args : args[0]);\n };\n add(handler);\n return function () { return remove(handler); };\n });\n}\nfunction toCommonHandlerRegistry(target, eventName) {\n return function (methodName) { return function (handler) { return target[methodName](eventName, handler); }; };\n}\nfunction isNodeStyleEventEmitter(target) {\n return isFunction(target.addListener) && isFunction(target.removeListener);\n}\nfunction isJQueryStyleEventEmitter(target) {\n return isFunction(target.on) && isFunction(target.off);\n}\nfunction isEventTarget(target) {\n return isFunction(target.addEventListener) && isFunction(target.removeEventListener);\n}\n", "import { Observable } from '../Observable';\nimport { async as asyncScheduler } from '../scheduler/async';\nimport { isScheduler } from '../util/isScheduler';\nimport { isValidDate } from '../util/isDate';\nexport function timer(dueTime, intervalOrScheduler, scheduler) {\n if (dueTime === void 0) { dueTime = 0; }\n if (scheduler === void 0) { scheduler = asyncScheduler; }\n var intervalDuration = -1;\n if (intervalOrScheduler != null) {\n if (isScheduler(intervalOrScheduler)) {\n scheduler = intervalOrScheduler;\n }\n else {\n intervalDuration = intervalOrScheduler;\n }\n }\n return new Observable(function (subscriber) {\n var due = isValidDate(dueTime) ? +dueTime - scheduler.now() : dueTime;\n if (due < 0) {\n due = 0;\n }\n var n = 0;\n return scheduler.schedule(function () {\n if (!subscriber.closed) {\n subscriber.next(n++);\n if (0 <= intervalDuration) {\n this.schedule(undefined, intervalDuration);\n }\n else {\n subscriber.complete();\n }\n }\n }, due);\n });\n}\n", "import { mergeAll } from '../operators/mergeAll';\nimport { innerFrom } from './innerFrom';\nimport { EMPTY } from './empty';\nimport { popNumber, popScheduler } from '../util/args';\nimport { from } from './from';\nexport function merge() {\n var args = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n args[_i] = arguments[_i];\n }\n var scheduler = popScheduler(args);\n var concurrent = popNumber(args, Infinity);\n var sources = args;\n return !sources.length\n ?\n EMPTY\n : sources.length === 1\n ?\n innerFrom(sources[0])\n :\n mergeAll(concurrent)(from(sources, scheduler));\n}\n", "import { Observable } from '../Observable';\nimport { noop } from '../util/noop';\nexport var NEVER = new Observable(noop);\nexport function never() {\n return NEVER;\n}\n", "var isArray = Array.isArray;\nexport function argsOrArgArray(args) {\n return args.length === 1 && isArray(args[0]) ? args[0] : args;\n}\n", "import { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\nexport function filter(predicate, thisArg) {\n return operate(function (source, subscriber) {\n var index = 0;\n source.subscribe(createOperatorSubscriber(subscriber, function (value) { return predicate.call(thisArg, value, index++) && subscriber.next(value); }));\n });\n}\n", "import { operate } from '../util/lift';\nimport { innerFrom } from '../observable/innerFrom';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\nexport function audit(durationSelector) {\n return operate(function (source, subscriber) {\n var hasValue = false;\n var lastValue = null;\n var durationSubscriber = null;\n var isComplete = false;\n var endDuration = function () {\n durationSubscriber === null || durationSubscriber === void 0 ? void 0 : durationSubscriber.unsubscribe();\n durationSubscriber = null;\n if (hasValue) {\n hasValue = false;\n var value = lastValue;\n lastValue = null;\n subscriber.next(value);\n }\n isComplete && subscriber.complete();\n };\n var cleanupDuration = function () {\n durationSubscriber = null;\n isComplete && subscriber.complete();\n };\n source.subscribe(createOperatorSubscriber(subscriber, function (value) {\n hasValue = true;\n lastValue = value;\n if (!durationSubscriber) {\n innerFrom(durationSelector(value)).subscribe((durationSubscriber = createOperatorSubscriber(subscriber, endDuration, cleanupDuration)));\n }\n }, function () {\n isComplete = true;\n (!hasValue || !durationSubscriber || durationSubscriber.closed) && subscriber.complete();\n }));\n });\n}\n", "import { asyncScheduler } from '../scheduler/async';\nimport { audit } from './audit';\nimport { timer } from '../observable/timer';\nexport function auditTime(duration, scheduler) {\n if (scheduler === void 0) { scheduler = asyncScheduler; }\n return audit(function () { return timer(duration, scheduler); });\n}\n", "import { innerFrom } from '../observable/innerFrom';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\nimport { operate } from '../util/lift';\nexport function catchError(selector) {\n return operate(function (source, subscriber) {\n var innerSub = null;\n var syncUnsub = false;\n var handledResult;\n innerSub = source.subscribe(createOperatorSubscriber(subscriber, undefined, undefined, function (err) {\n handledResult = innerFrom(selector(err, catchError(selector)(source)));\n if (innerSub) {\n innerSub.unsubscribe();\n innerSub = null;\n handledResult.subscribe(subscriber);\n }\n else {\n syncUnsub = true;\n }\n }));\n if (syncUnsub) {\n innerSub.unsubscribe();\n innerSub = null;\n handledResult.subscribe(subscriber);\n }\n });\n}\n", "import { createOperatorSubscriber } from './OperatorSubscriber';\nexport function scanInternals(accumulator, seed, hasSeed, emitOnNext, emitBeforeComplete) {\n return function (source, subscriber) {\n var hasState = hasSeed;\n var state = seed;\n var index = 0;\n source.subscribe(createOperatorSubscriber(subscriber, function (value) {\n var i = index++;\n state = hasState\n ?\n accumulator(state, value, i)\n :\n ((hasState = true), value);\n emitOnNext && subscriber.next(state);\n }, emitBeforeComplete &&\n (function () {\n hasState && subscriber.next(state);\n subscriber.complete();\n })));\n };\n}\n", "import { mergeMap } from './mergeMap';\nimport { isFunction } from '../util/isFunction';\nexport function concatMap(project, resultSelector) {\n return isFunction(resultSelector) ? mergeMap(project, resultSelector, 1) : mergeMap(project, 1);\n}\n", "import { asyncScheduler } from '../scheduler/async';\nimport { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\nexport function debounceTime(dueTime, scheduler) {\n if (scheduler === void 0) { scheduler = asyncScheduler; }\n return operate(function (source, subscriber) {\n var activeTask = null;\n var lastValue = null;\n var lastTime = null;\n var emit = function () {\n if (activeTask) {\n activeTask.unsubscribe();\n activeTask = null;\n var value = lastValue;\n lastValue = null;\n subscriber.next(value);\n }\n };\n function emitWhenIdle() {\n var targetTime = lastTime + dueTime;\n var now = scheduler.now();\n if (now < targetTime) {\n activeTask = this.schedule(undefined, targetTime - now);\n subscriber.add(activeTask);\n return;\n }\n emit();\n }\n source.subscribe(createOperatorSubscriber(subscriber, function (value) {\n lastValue = value;\n lastTime = scheduler.now();\n if (!activeTask) {\n activeTask = scheduler.schedule(emitWhenIdle, dueTime);\n subscriber.add(activeTask);\n }\n }, function () {\n emit();\n subscriber.complete();\n }, undefined, function () {\n lastValue = activeTask = null;\n }));\n });\n}\n", "import { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\nexport function defaultIfEmpty(defaultValue) {\n return operate(function (source, subscriber) {\n var hasValue = false;\n source.subscribe(createOperatorSubscriber(subscriber, function (value) {\n hasValue = true;\n subscriber.next(value);\n }, function () {\n if (!hasValue) {\n subscriber.next(defaultValue);\n }\n subscriber.complete();\n }));\n });\n}\n", "import { EMPTY } from '../observable/empty';\nimport { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\nexport function take(count) {\n return count <= 0\n ?\n function () { return EMPTY; }\n : operate(function (source, subscriber) {\n var seen = 0;\n source.subscribe(createOperatorSubscriber(subscriber, function (value) {\n if (++seen <= count) {\n subscriber.next(value);\n if (count <= seen) {\n subscriber.complete();\n }\n }\n }));\n });\n}\n", "import { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\nimport { noop } from '../util/noop';\nexport function ignoreElements() {\n return operate(function (source, subscriber) {\n source.subscribe(createOperatorSubscriber(subscriber, noop));\n });\n}\n", "import { map } from './map';\nexport function mapTo(value) {\n return map(function () { return value; });\n}\n", "import { concat } from '../observable/concat';\nimport { take } from './take';\nimport { ignoreElements } from './ignoreElements';\nimport { mapTo } from './mapTo';\nimport { mergeMap } from './mergeMap';\nimport { innerFrom } from '../observable/innerFrom';\nexport function delayWhen(delayDurationSelector, subscriptionDelay) {\n if (subscriptionDelay) {\n return function (source) {\n return concat(subscriptionDelay.pipe(take(1), ignoreElements()), source.pipe(delayWhen(delayDurationSelector)));\n };\n }\n return mergeMap(function (value, index) { return innerFrom(delayDurationSelector(value, index)).pipe(take(1), mapTo(value)); });\n}\n", "import { asyncScheduler } from '../scheduler/async';\nimport { delayWhen } from './delayWhen';\nimport { timer } from '../observable/timer';\nexport function delay(due, scheduler) {\n if (scheduler === void 0) { scheduler = asyncScheduler; }\n var duration = timer(due, scheduler);\n return delayWhen(function () { return duration; });\n}\n", "import { identity } from '../util/identity';\nimport { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\nexport function distinctUntilChanged(comparator, keySelector) {\n if (keySelector === void 0) { keySelector = identity; }\n comparator = comparator !== null && comparator !== void 0 ? comparator : defaultCompare;\n return operate(function (source, subscriber) {\n var previousKey;\n var first = true;\n source.subscribe(createOperatorSubscriber(subscriber, function (value) {\n var currentKey = keySelector(value);\n if (first || !comparator(previousKey, currentKey)) {\n first = false;\n previousKey = currentKey;\n subscriber.next(value);\n }\n }));\n });\n}\nfunction defaultCompare(a, b) {\n return a === b;\n}\n", "import { EmptyError } from '../util/EmptyError';\nimport { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\nexport function throwIfEmpty(errorFactory) {\n if (errorFactory === void 0) { errorFactory = defaultErrorFactory; }\n return operate(function (source, subscriber) {\n var hasValue = false;\n source.subscribe(createOperatorSubscriber(subscriber, function (value) {\n hasValue = true;\n subscriber.next(value);\n }, function () { return (hasValue ? subscriber.complete() : subscriber.error(errorFactory())); }));\n });\n}\nfunction defaultErrorFactory() {\n return new EmptyError();\n}\n", "import { operate } from '../util/lift';\nexport function finalize(callback) {\n return operate(function (source, subscriber) {\n try {\n source.subscribe(subscriber);\n }\n finally {\n subscriber.add(callback);\n }\n });\n}\n", "import { EmptyError } from '../util/EmptyError';\nimport { filter } from './filter';\nimport { take } from './take';\nimport { defaultIfEmpty } from './defaultIfEmpty';\nimport { throwIfEmpty } from './throwIfEmpty';\nimport { identity } from '../util/identity';\nexport function first(predicate, defaultValue) {\n var hasDefaultValue = arguments.length >= 2;\n return function (source) {\n return source.pipe(predicate ? filter(function (v, i) { return predicate(v, i, source); }) : identity, take(1), hasDefaultValue ? defaultIfEmpty(defaultValue) : throwIfEmpty(function () { return new EmptyError(); }));\n };\n}\n", "import { __values } from \"tslib\";\nimport { EMPTY } from '../observable/empty';\nimport { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\nexport function takeLast(count) {\n return count <= 0\n ? function () { return EMPTY; }\n : operate(function (source, subscriber) {\n var buffer = [];\n source.subscribe(createOperatorSubscriber(subscriber, function (value) {\n buffer.push(value);\n count < buffer.length && buffer.shift();\n }, function () {\n var e_1, _a;\n try {\n for (var buffer_1 = __values(buffer), buffer_1_1 = buffer_1.next(); !buffer_1_1.done; buffer_1_1 = buffer_1.next()) {\n var value = buffer_1_1.value;\n subscriber.next(value);\n }\n }\n catch (e_1_1) { e_1 = { error: e_1_1 }; }\n finally {\n try {\n if (buffer_1_1 && !buffer_1_1.done && (_a = buffer_1.return)) _a.call(buffer_1);\n }\n finally { if (e_1) throw e_1.error; }\n }\n subscriber.complete();\n }, undefined, function () {\n buffer = null;\n }));\n });\n}\n", "import { EmptyError } from '../util/EmptyError';\nimport { filter } from './filter';\nimport { takeLast } from './takeLast';\nimport { throwIfEmpty } from './throwIfEmpty';\nimport { defaultIfEmpty } from './defaultIfEmpty';\nimport { identity } from '../util/identity';\nexport function last(predicate, defaultValue) {\n var hasDefaultValue = arguments.length >= 2;\n return function (source) {\n return source.pipe(predicate ? filter(function (v, i) { return predicate(v, i, source); }) : identity, takeLast(1), hasDefaultValue ? defaultIfEmpty(defaultValue) : throwIfEmpty(function () { return new EmptyError(); }));\n };\n}\n", "import { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\nexport function pairwise() {\n return operate(function (source, subscriber) {\n var prev;\n var hasPrev = false;\n source.subscribe(createOperatorSubscriber(subscriber, function (value) {\n var p = prev;\n prev = value;\n hasPrev && subscriber.next([p, value]);\n hasPrev = true;\n }));\n });\n}\n", "import { operate } from '../util/lift';\nimport { scanInternals } from './scanInternals';\nexport function scan(accumulator, seed) {\n return operate(scanInternals(accumulator, seed, arguments.length >= 2, true));\n}\n", "import { __read, __spreadArray } from \"tslib\";\nimport { innerFrom } from '../observable/innerFrom';\nimport { Subject } from '../Subject';\nimport { SafeSubscriber } from '../Subscriber';\nimport { operate } from '../util/lift';\nexport function share(options) {\n if (options === void 0) { options = {}; }\n var _a = options.connector, connector = _a === void 0 ? function () { return new Subject(); } : _a, _b = options.resetOnError, resetOnError = _b === void 0 ? true : _b, _c = options.resetOnComplete, resetOnComplete = _c === void 0 ? true : _c, _d = options.resetOnRefCountZero, resetOnRefCountZero = _d === void 0 ? true : _d;\n return function (wrapperSource) {\n var connection;\n var resetConnection;\n var subject;\n var refCount = 0;\n var hasCompleted = false;\n var hasErrored = false;\n var cancelReset = function () {\n resetConnection === null || resetConnection === void 0 ? void 0 : resetConnection.unsubscribe();\n resetConnection = undefined;\n };\n var reset = function () {\n cancelReset();\n connection = subject = undefined;\n hasCompleted = hasErrored = false;\n };\n var resetAndUnsubscribe = function () {\n var conn = connection;\n reset();\n conn === null || conn === void 0 ? void 0 : conn.unsubscribe();\n };\n return operate(function (source, subscriber) {\n refCount++;\n if (!hasErrored && !hasCompleted) {\n cancelReset();\n }\n var dest = (subject = subject !== null && subject !== void 0 ? subject : connector());\n subscriber.add(function () {\n refCount--;\n if (refCount === 0 && !hasErrored && !hasCompleted) {\n resetConnection = handleReset(resetAndUnsubscribe, resetOnRefCountZero);\n }\n });\n dest.subscribe(subscriber);\n if (!connection &&\n refCount > 0) {\n connection = new SafeSubscriber({\n next: function (value) { return dest.next(value); },\n error: function (err) {\n hasErrored = true;\n cancelReset();\n resetConnection = handleReset(reset, resetOnError, err);\n dest.error(err);\n },\n complete: function () {\n hasCompleted = true;\n cancelReset();\n resetConnection = handleReset(reset, resetOnComplete);\n dest.complete();\n },\n });\n innerFrom(source).subscribe(connection);\n }\n })(wrapperSource);\n };\n}\nfunction handleReset(reset, on) {\n var args = [];\n for (var _i = 2; _i < arguments.length; _i++) {\n args[_i - 2] = arguments[_i];\n }\n if (on === true) {\n reset();\n return;\n }\n if (on === false) {\n return;\n }\n var onSubscriber = new SafeSubscriber({\n next: function () {\n onSubscriber.unsubscribe();\n reset();\n },\n });\n return innerFrom(on.apply(void 0, __spreadArray([], __read(args)))).subscribe(onSubscriber);\n}\n", "import { ReplaySubject } from '../ReplaySubject';\nimport { share } from './share';\nexport function shareReplay(configOrBufferSize, windowTime, scheduler) {\n var _a, _b, _c;\n var bufferSize;\n var refCount = false;\n if (configOrBufferSize && typeof configOrBufferSize === 'object') {\n (_a = configOrBufferSize.bufferSize, bufferSize = _a === void 0 ? Infinity : _a, _b = configOrBufferSize.windowTime, windowTime = _b === void 0 ? Infinity : _b, _c = configOrBufferSize.refCount, refCount = _c === void 0 ? false : _c, scheduler = configOrBufferSize.scheduler);\n }\n else {\n bufferSize = (configOrBufferSize !== null && configOrBufferSize !== void 0 ? configOrBufferSize : Infinity);\n }\n return share({\n connector: function () { return new ReplaySubject(bufferSize, windowTime, scheduler); },\n resetOnError: true,\n resetOnComplete: false,\n resetOnRefCountZero: refCount,\n });\n}\n", "import { filter } from './filter';\nexport function skip(count) {\n return filter(function (_, index) { return count <= index; });\n}\n", "import { concat } from '../observable/concat';\nimport { popScheduler } from '../util/args';\nimport { operate } from '../util/lift';\nexport function startWith() {\n var values = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n values[_i] = arguments[_i];\n }\n var scheduler = popScheduler(values);\n return operate(function (source, subscriber) {\n (scheduler ? concat(values, source, scheduler) : concat(values, source)).subscribe(subscriber);\n });\n}\n", "import { innerFrom } from '../observable/innerFrom';\nimport { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\nexport function switchMap(project, resultSelector) {\n return operate(function (source, subscriber) {\n var innerSubscriber = null;\n var index = 0;\n var isComplete = false;\n var checkComplete = function () { return isComplete && !innerSubscriber && subscriber.complete(); };\n source.subscribe(createOperatorSubscriber(subscriber, function (value) {\n innerSubscriber === null || innerSubscriber === void 0 ? void 0 : innerSubscriber.unsubscribe();\n var innerIndex = 0;\n var outerIndex = index++;\n innerFrom(project(value, outerIndex)).subscribe((innerSubscriber = createOperatorSubscriber(subscriber, function (innerValue) { return subscriber.next(resultSelector ? resultSelector(value, innerValue, outerIndex, innerIndex++) : innerValue); }, function () {\n innerSubscriber = null;\n checkComplete();\n })));\n }, function () {\n isComplete = true;\n checkComplete();\n }));\n });\n}\n", "import { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\nimport { innerFrom } from '../observable/innerFrom';\nimport { noop } from '../util/noop';\nexport function takeUntil(notifier) {\n return operate(function (source, subscriber) {\n innerFrom(notifier).subscribe(createOperatorSubscriber(subscriber, function () { return subscriber.complete(); }, noop));\n !subscriber.closed && source.subscribe(subscriber);\n });\n}\n", "import { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\nexport function takeWhile(predicate, inclusive) {\n if (inclusive === void 0) { inclusive = false; }\n return operate(function (source, subscriber) {\n var index = 0;\n source.subscribe(createOperatorSubscriber(subscriber, function (value) {\n var result = predicate(value, index++);\n (result || inclusive) && subscriber.next(value);\n !result && subscriber.complete();\n }));\n });\n}\n", "import { isFunction } from '../util/isFunction';\nimport { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\nimport { identity } from '../util/identity';\nexport function tap(observerOrNext, error, complete) {\n var tapObserver = isFunction(observerOrNext) || error || complete\n ?\n { next: observerOrNext, error: error, complete: complete }\n : observerOrNext;\n return tapObserver\n ? operate(function (source, subscriber) {\n var _a;\n (_a = tapObserver.subscribe) === null || _a === void 0 ? void 0 : _a.call(tapObserver);\n var isUnsub = true;\n source.subscribe(createOperatorSubscriber(subscriber, function (value) {\n var _a;\n (_a = tapObserver.next) === null || _a === void 0 ? void 0 : _a.call(tapObserver, value);\n subscriber.next(value);\n }, function () {\n var _a;\n isUnsub = false;\n (_a = tapObserver.complete) === null || _a === void 0 ? void 0 : _a.call(tapObserver);\n subscriber.complete();\n }, function (err) {\n var _a;\n isUnsub = false;\n (_a = tapObserver.error) === null || _a === void 0 ? void 0 : _a.call(tapObserver, err);\n subscriber.error(err);\n }, function () {\n var _a, _b;\n if (isUnsub) {\n (_a = tapObserver.unsubscribe) === null || _a === void 0 ? void 0 : _a.call(tapObserver);\n }\n (_b = tapObserver.finalize) === null || _b === void 0 ? void 0 : _b.call(tapObserver);\n }));\n })\n :\n identity;\n}\n", "import { asyncScheduler } from '../scheduler/async';\nimport { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\nexport function timeInterval(scheduler) {\n if (scheduler === void 0) { scheduler = asyncScheduler; }\n return operate(function (source, subscriber) {\n var last = scheduler.now();\n source.subscribe(createOperatorSubscriber(subscriber, function (value) {\n var now = scheduler.now();\n var interval = now - last;\n last = now;\n subscriber.next(new TimeInterval(value, interval));\n }));\n });\n}\nvar TimeInterval = (function () {\n function TimeInterval(value, interval) {\n this.value = value;\n this.interval = interval;\n }\n return TimeInterval;\n}());\nexport { TimeInterval };\n", "/**\n * @license Angular v17.0.7\n * (c) 2010-2022 Google LLC. https://angular.io/\n * License: MIT\n */\n\nimport { setActiveConsumer as setActiveConsumer$1, consumerDestroy as consumerDestroy$1, SIGNAL as SIGNAL$1, createComputed as createComputed$1, createSignal as createSignal$1, signalSetFn as signalSetFn$1, signalUpdateFn as signalUpdateFn$1, REACTIVE_NODE as REACTIVE_NODE$1, consumerBeforeComputation as consumerBeforeComputation$1, consumerAfterComputation as consumerAfterComputation$1, consumerPollProducersForChange as consumerPollProducersForChange$1, getActiveConsumer as getActiveConsumer$1, createWatch as createWatch$1, setThrowInvalidWriteToSignalError as setThrowInvalidWriteToSignalError$1 } from '@angular/core/primitives/signals';\nimport { Subject, Subscription, Observable, merge as merge$1, BehaviorSubject, of } from 'rxjs';\nimport { share, switchMap, distinctUntilChanged, first } from 'rxjs/operators';\n\nfunction getClosureSafeProperty(objWithPropertyToExtract) {\n for (let key in objWithPropertyToExtract) {\n if (objWithPropertyToExtract[key] === getClosureSafeProperty) {\n return key;\n }\n }\n throw Error('Could not find renamed property on target object.');\n}\n/**\n * Sets properties on a target object from a source object, but only if\n * the property doesn't already exist on the target object.\n * @param target The target to set properties on\n * @param source The source of the property keys and values to set\n */\nfunction fillProperties(target, source) {\n for (const key in source) {\n if (source.hasOwnProperty(key) && !target.hasOwnProperty(key)) {\n target[key] = source[key];\n }\n }\n}\n\nfunction stringify(token) {\n if (typeof token === 'string') {\n return token;\n }\n if (Array.isArray(token)) {\n return '[' + token.map(stringify).join(', ') + ']';\n }\n if (token == null) {\n return '' + token;\n }\n if (token.overriddenName) {\n return `${token.overriddenName}`;\n }\n if (token.name) {\n return `${token.name}`;\n }\n const res = token.toString();\n if (res == null) {\n return '' + res;\n }\n const newLineIndex = res.indexOf('\\n');\n return newLineIndex === -1 ? res : res.substring(0, newLineIndex);\n}\n/**\n * Concatenates two strings with separator, allocating new strings only when necessary.\n *\n * @param before before string.\n * @param separator separator string.\n * @param after after string.\n * @returns concatenated string.\n */\nfunction concatStringsWithSpace(before, after) {\n return (before == null || before === '') ?\n (after === null ? '' : after) :\n ((after == null || after === '') ? before : before + ' ' + after);\n}\n/**\n * Ellipses the string in the middle when longer than the max length\n *\n * @param string\n * @param maxLength of the output string\n * @returns elispsed string with ... in the middle\n */\nfunction truncateMiddle(str, maxLength = 100) {\n if (!str || maxLength < 1 || str.length <= maxLength)\n return str;\n if (maxLength == 1)\n return str.substring(0, 1) + '...';\n const halfLimit = Math.round(maxLength / 2);\n return str.substring(0, halfLimit) + '...' + str.substring(str.length - halfLimit);\n}\n\nconst __forward_ref__ = getClosureSafeProperty({ __forward_ref__: getClosureSafeProperty });\n/**\n * Allows to refer to references which are not yet defined.\n *\n * For instance, `forwardRef` is used when the `token` which we need to refer to for the purposes of\n * DI is declared, but not yet defined. It is also used when the `token` which we use when creating\n * a query is not yet defined.\n *\n * `forwardRef` is also used to break circularities in standalone components imports.\n *\n * @usageNotes\n * ### Circular dependency example\n * {@example core/di/ts/forward_ref/forward_ref_spec.ts region='forward_ref'}\n *\n * ### Circular standalone reference import example\n * ```ts\n * @Component({\n * standalone: true,\n * imports: [ChildComponent],\n * selector: 'app-parent',\n * template: `