51 lines
1.7 KiB
JavaScript
51 lines
1.7 KiB
JavaScript
"use strict";
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var __extends = (this && this.__extends) || function (d, b) {
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for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
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function __() { this.constructor = d; }
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d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
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};
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var Subscriber_1 = require('../Subscriber');
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function takeWhile(predicate) {
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return this.lift(new TakeWhileOperator(predicate));
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}
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exports.takeWhile = takeWhile;
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var TakeWhileOperator = (function () {
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function TakeWhileOperator(predicate) {
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this.predicate = predicate;
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}
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TakeWhileOperator.prototype.call = function (subscriber) {
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return new TakeWhileSubscriber(subscriber, this.predicate);
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};
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return TakeWhileOperator;
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}());
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var TakeWhileSubscriber = (function (_super) {
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__extends(TakeWhileSubscriber, _super);
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function TakeWhileSubscriber(destination, predicate) {
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_super.call(this, destination);
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this.predicate = predicate;
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this.index = 0;
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}
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TakeWhileSubscriber.prototype._next = function (value) {
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var destination = this.destination;
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var result;
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try {
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result = this.predicate(value, this.index++);
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}
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catch (err) {
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destination.error(err);
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return;
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}
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this.nextOrComplete(value, result);
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};
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TakeWhileSubscriber.prototype.nextOrComplete = function (value, predicateResult) {
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var destination = this.destination;
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if (Boolean(predicateResult)) {
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destination.next(value);
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}
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else {
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destination.complete();
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}
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};
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return TakeWhileSubscriber;
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}(Subscriber_1.Subscriber));
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//# sourceMappingURL=takeWhile.js.map
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