57 lines
1.9 KiB
JavaScript
57 lines
1.9 KiB
JavaScript
/** PURE_IMPORTS_START tslib,_Subscriber PURE_IMPORTS_END */
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import * as tslib_1 from "tslib";
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import { Subscriber } from '../Subscriber';
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export function takeWhile(predicate, inclusive) {
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if (inclusive === void 0) {
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inclusive = false;
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}
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return function (source) {
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return source.lift(new TakeWhileOperator(predicate, inclusive));
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};
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}
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var TakeWhileOperator = /*@__PURE__*/ (function () {
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function TakeWhileOperator(predicate, inclusive) {
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this.predicate = predicate;
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this.inclusive = inclusive;
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}
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TakeWhileOperator.prototype.call = function (subscriber, source) {
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return source.subscribe(new TakeWhileSubscriber(subscriber, this.predicate, this.inclusive));
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};
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return TakeWhileOperator;
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}());
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var TakeWhileSubscriber = /*@__PURE__*/ (function (_super) {
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tslib_1.__extends(TakeWhileSubscriber, _super);
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function TakeWhileSubscriber(destination, predicate, inclusive) {
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var _this = _super.call(this, destination) || this;
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_this.predicate = predicate;
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_this.inclusive = inclusive;
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_this.index = 0;
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return _this;
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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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if (this.inclusive) {
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destination.next(value);
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}
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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));
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//# sourceMappingURL=takeWhile.js.map
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