om/node_modules/rxjs/_esm5/internal/operators/takeWhile.js

/** PURE_IMPORTS_START tslib,_Subscriber PURE_IMPORTS_END */
import * as tslib_1 from "tslib";
import { Subscriber } from '../Subscriber';
export function takeWhile(predicate, inclusive) {
    if (inclusive === void 0) {
        inclusive = false;
    }
    return function (source) {
        return source.lift(new TakeWhileOperator(predicate, inclusive));
    };
}
var TakeWhileOperator = /*@__PURE__*/ (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 = /*@__PURE__*/ (function (_super) {
    tslib_1.__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));
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