Last change
on this file since 6c1585f was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
initial commit
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File size:
1.1 KB
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1 | import { Subscriber } from '../Subscriber';
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2 | export function skipWhile(predicate) {
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3 | return (source) => source.lift(new SkipWhileOperator(predicate));
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4 | }
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5 | class SkipWhileOperator {
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6 | constructor(predicate) {
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7 | this.predicate = predicate;
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8 | }
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9 | call(subscriber, source) {
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10 | return source.subscribe(new SkipWhileSubscriber(subscriber, this.predicate));
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11 | }
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12 | }
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13 | class SkipWhileSubscriber extends Subscriber {
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14 | constructor(destination, predicate) {
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15 | super(destination);
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16 | this.predicate = predicate;
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17 | this.skipping = true;
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18 | this.index = 0;
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19 | }
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20 | _next(value) {
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21 | const destination = this.destination;
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22 | if (this.skipping) {
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23 | this.tryCallPredicate(value);
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24 | }
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25 | if (!this.skipping) {
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26 | destination.next(value);
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27 | }
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28 | }
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29 | tryCallPredicate(value) {
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30 | try {
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31 | const result = this.predicate(value, this.index++);
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32 | this.skipping = Boolean(result);
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33 | }
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34 | catch (err) {
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35 | this.destination.error(err);
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36 | }
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37 | }
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38 | }
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39 | //# sourceMappingURL=skipWhile.js.map |
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