artesanias/node_modules/rxjs/_esm5/internal/operators/audit.js

/** PURE_IMPORTS_START tslib,_innerSubscribe PURE_IMPORTS_END */
import * as tslib_1 from "tslib";
import { SimpleOuterSubscriber, innerSubscribe, SimpleInnerSubscriber } from '../innerSubscribe';
export function audit(durationSelector) {
    return function auditOperatorFunction(source) {
        return source.lift(new AuditOperator(durationSelector));
    };
}
var AuditOperator = /*@__PURE__*/ (function () {
    function AuditOperator(durationSelector) {
        this.durationSelector = durationSelector;
    }
    AuditOperator.prototype.call = function (subscriber, source) {
        return source.subscribe(new AuditSubscriber(subscriber, this.durationSelector));
    };
    return AuditOperator;
}());
var AuditSubscriber = /*@__PURE__*/ (function (_super) {
    tslib_1.__extends(AuditSubscriber, _super);
    function AuditSubscriber(destination, durationSelector) {
        var _this = _super.call(this, destination) || this;
        _this.durationSelector = durationSelector;
        _this.hasValue = false;
        return _this;
    }
    AuditSubscriber.prototype._next = function (value) {
        this.value = value;
        this.hasValue = true;
        if (!this.throttled) {
            var duration = void 0;
            try {
                var durationSelector = this.durationSelector;
                duration = durationSelector(value);
            }
            catch (err) {
                return this.destination.error(err);
            }
            var innerSubscription = innerSubscribe(duration, new SimpleInnerSubscriber(this));
            if (!innerSubscription || innerSubscription.closed) {
                this.clearThrottle();
            }
            else {
                this.add(this.throttled = innerSubscription);
            }
        }
    };
    AuditSubscriber.prototype.clearThrottle = function () {
        var _a = this, value = _a.value, hasValue = _a.hasValue, throttled = _a.throttled;
        if (throttled) {
            this.remove(throttled);
            this.throttled = undefined;
            throttled.unsubscribe();
        }
        if (hasValue) {
            this.value = undefined;
            this.hasValue = false;
            this.destination.next(value);
        }
    };
    AuditSubscriber.prototype.notifyNext = function () {
        this.clearThrottle();
    };
    AuditSubscriber.prototype.notifyComplete = function () {
        this.clearThrottle();
    };
    return AuditSubscriber;
}(SimpleOuterSubscriber));
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