work.suroh.tk/node_modules/rxjs/Subscriber.js.map

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While the {@link Observer} is the public API for\n * consuming the values of an {@link Observable}, all Observers get converted to\n * a Subscriber, in order to provide Subscription-like capabilities such as\n * `unsubscribe`. Subscriber is a common type in RxJS, and crucial for\n * implementing operators, but it is rarely used as a public API.\n *\n * @class Subscriber<T>\n */\nexport class Subscriber<T> extends Subscription implements Observer<T> {\n\n [rxSubscriberSymbol]() { return this; }\n\n /**\n * A static factory for a Subscriber, given a (potentially partial) definition\n * of an Observer.\n * @param {function(x: ?T): void} [next] The `next` callback of an Observer.\n * @param {function(e: ?any): void} [error] The `error` callback of an\n * Observer.\n * @param {function(): void} [complete] The `complete` callback of an\n * Observer.\n * @return {Subscriber<T>} A Subscriber wrapping the (partially defined)\n * Observer represented by the given arguments.\n */\n static create<T>(next?: (x?: T) => void,\n error?: (e?: any) => void,\n complete?: () => void): Subscriber<T> {\n const subscriber = new Subscriber(next, error, complete);\n subscriber.syncErrorThrowable = false;\n return subscriber;\n }\n\n public syncErrorValue: any = null;\n public syncErrorThrown: boolean = false;\n public syncErrorThrowable: boolean = false;\n\n protected isStopped: boolean = false;\n protected destination: PartialObserver<any>; // this `any` is the escape hatch to erase extra type param (e.g. R)\n\n /**\n * @param {Observer|function(value: T): void} [destinationOrNext] A partially\n * defined Observer or a `next` callback function.\n * @param {function(e: ?any): void} [error] The `error` callback of an\n * Observer.\n * @param {function(): void} [complete] The `complete` callback of an\n * Observer.\n */\n constructor(destinationOrNext?: PartialObserver<any> | ((value: T) => void),\n error?: (e?: any) => void,\n complete?: () => void) {\n super();\n\n switch (arguments.length) {\n case 0:\n this.destination = emptyObserver;\n break;\n case 1:\n if (!destinationOrNext) {\n this.destination = emptyObserver;\n break;\n }\n if (typeof destinationOrNext === 'object') {\n // HACK(benlesh): To resolve an issue where Node users may have multiple\n // copies of rxjs in their node_modules directory.\n if (isTrustedSubscriber(destinationOrNext)) {\n const trustedSubscriber = destinationOrNext[rxSubscriberSymbol]() as Subscriber<any>;\n this.syncErrorThrowable = trustedSubscriber.syncErrorThrowable;\n this.destination = trustedSubscriber;\n trustedSubscriber.add(this);\n } else {\n this.syncErrorThrowable = true;\n this.destination = new SafeSubscriber<T>(this, <PartialObserver<any>> destinationOrNext);\n }\n break;\n }\n default:\n this.syncErrorThrowable = true;\n this.destination = new SafeSubscriber<T>(this, <((value: T) => void)> destinationOrNext, error, complete);\n break;\n }\n }\n\n /**\n * The {@link Observer} callback to receive notifications of type `next` from\n * the Observable, with a value. 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