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Last change
on this file since 6a3a178 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
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initial commit
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100644
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File size:
823 bytes
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| 1 | import { Subscription } from './Subscription';
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| 2 | export class SubjectSubscription extends Subscription {
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| 3 | constructor(subject, subscriber) {
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| 4 | super();
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| 5 | this.subject = subject;
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| 6 | this.subscriber = subscriber;
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| 7 | this.closed = false;
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| 8 | }
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| 9 | unsubscribe() {
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| 10 | if (this.closed) {
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| 11 | return;
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| 12 | }
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| 13 | this.closed = true;
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| 14 | const subject = this.subject;
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| 15 | const observers = subject.observers;
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| 16 | this.subject = null;
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| 17 | if (!observers || observers.length === 0 || subject.isStopped || subject.closed) {
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| 18 | return;
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| 19 | }
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| 20 | const subscriberIndex = observers.indexOf(this.subscriber);
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| 21 | if (subscriberIndex !== -1) {
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| 22 | observers.splice(subscriberIndex, 1);
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| 23 | }
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| 24 | }
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| 25 | }
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| 26 | //# sourceMappingURL=SubjectSubscription.js.map |
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