69 lines
2.4 KiB
JavaScript
69 lines
2.4 KiB
JavaScript
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"use strict";
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var __extends = (this && this.__extends) || (function () {
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var extendStatics = function (d, b) {
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extendStatics = Object.setPrototypeOf ||
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({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
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function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
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return extendStatics(d, b);
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}
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return function (d, b) {
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extendStatics(d, b);
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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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})();
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Object.defineProperty(exports, "__esModule", { value: true });
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var Subscriber_1 = require("../Subscriber");
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function takeWhile(predicate, inclusive) {
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if (inclusive === void 0) { inclusive = false; }
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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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exports.takeWhile = takeWhile;
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var TakeWhileOperator = (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 = (function (_super) {
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__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_1.Subscriber));
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//# sourceMappingURL=takeWhile.js.map
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