artesanias/node_modules/rxjs/internal/operators/takeWhile.js

"use strict";
var __extends = (this && this.__extends) || (function () {
    var extendStatics = function (d, b) {
        extendStatics = Object.setPrototypeOf ||
            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
        return extendStatics(d, b);
    }
    return function (d, b) {
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
Object.defineProperty(exports, "__esModule", { value: true });
var Subscriber_1 = require("../Subscriber");
function takeWhile(predicate, inclusive) {
    if (inclusive === void 0) { inclusive = false; }
    return function (source) {
        return source.lift(new TakeWhileOperator(predicate, inclusive));
    };
}
exports.takeWhile = takeWhile;
var TakeWhileOperator = (function () {
    function TakeWhileOperator(predicate, inclusive) {
        this.predicate = predicate;
        this.inclusive = inclusive;
    }
    TakeWhileOperator.prototype.call = function (subscriber, source) {
        return source.subscribe(new TakeWhileSubscriber(subscriber, this.predicate, this.inclusive));
    };
    return TakeWhileOperator;
}());
var TakeWhileSubscriber = (function (_super) {
    __extends(TakeWhileSubscriber, _super);
    function TakeWhileSubscriber(destination, predicate, inclusive) {
        var _this = _super.call(this, destination) || this;
        _this.predicate = predicate;
        _this.inclusive = inclusive;
        _this.index = 0;
        return _this;
    }
    TakeWhileSubscriber.prototype._next = function (value) {
        var destination = this.destination;
        var result;
        try {
            result = this.predicate(value, this.index++);
        }
        catch (err) {
            destination.error(err);
            return;
        }
        this.nextOrComplete(value, result);
    };
    TakeWhileSubscriber.prototype.nextOrComplete = function (value, predicateResult) {
        var destination = this.destination;
        if (Boolean(predicateResult)) {
            destination.next(value);
        }
        else {
            if (this.inclusive) {
                destination.next(value);
            }
            destination.complete();
        }
    };
    return TakeWhileSubscriber;
}(Subscriber_1.Subscriber));
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