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31 lines
915 B
31 lines
915 B
import { Subscription } from './Subscription'; |
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/** |
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* We need this JSDoc comment for affecting ESDoc. |
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* @ignore |
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* @extends {Ignored} |
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*/ |
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export class SubjectSubscription extends Subscription { |
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constructor(subject, subscriber) { |
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super(); |
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this.subject = subject; |
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this.subscriber = subscriber; |
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this.closed = false; |
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} |
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unsubscribe() { |
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if (this.closed) { |
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return; |
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} |
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this.closed = true; |
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const subject = this.subject; |
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const observers = subject.observers; |
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this.subject = null; |
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if (!observers || observers.length === 0 || subject.isStopped || subject.closed) { |
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return; |
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} |
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const subscriberIndex = observers.indexOf(this.subscriber); |
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if (subscriberIndex !== -1) { |
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observers.splice(subscriberIndex, 1); |
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} |
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} |
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} |
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//# sourceMappingURL=SubjectSubscription.js.map
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