'use strict';
/**
 * @license Angular v<unknown>
 * (c) 2010-2020 Google LLC. https://angular.io/
 * License: MIT
 */
import { Observable, Subscription, Subscriber } from 'rxjs';

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
Zone.__load_patch('rxjs', (global, Zone, api) => {
    const symbol = Zone.__symbol__;
    const nextSource = 'rxjs.Subscriber.next';
    const errorSource = 'rxjs.Subscriber.error';
    const completeSource = 'rxjs.Subscriber.complete';
    const ObjectDefineProperties = Object.defineProperties;
    const patchObservable = function () {
        const ObservablePrototype = Observable.prototype;
        const _symbolSubscribe = symbol('_subscribe');
        const _subscribe = ObservablePrototype[_symbolSubscribe] = ObservablePrototype._subscribe;
        ObjectDefineProperties(Observable.prototype, {
            _zone: { value: null, writable: true, configurable: true },
            _zoneSource: { value: null, writable: true, configurable: true },
            _zoneSubscribe: { value: null, writable: true, configurable: true },
            source: {
                configurable: true,
                get: function () {
                    return this._zoneSource;
                },
                set: function (source) {
                    this._zone = Zone.current;
                    this._zoneSource = source;
                }
            },
            _subscribe: {
                configurable: true,
                get: function () {
                    if (this._zoneSubscribe) {
                        return this._zoneSubscribe;
                    }
                    else if (this.constructor === Observable) {
                        return _subscribe;
                    }
                    const proto = Object.getPrototypeOf(this);
                    return proto && proto._subscribe;
                },
                set: function (subscribe) {
                    this._zone = Zone.current;
                    if (!subscribe) {
                        this._zoneSubscribe = subscribe;
                    }
                    else {
                        this._zoneSubscribe = function () {
                            if (this._zone && this._zone !== Zone.current) {
                                const tearDown = this._zone.run(subscribe, this, arguments);
                                if (typeof tearDown === 'function') {
                                    const zone = this._zone;
                                    return function () {
                                        if (zone !== Zone.current) {
                                            return zone.run(tearDown, this, arguments);
                                        }
                                        return tearDown.apply(this, arguments);
                                    };
                                }
                                else {
                                    return tearDown;
                                }
                            }
                            else {
                                return subscribe.apply(this, arguments);
                            }
                        };
                    }
                }
            },
            subjectFactory: {
                get: function () {
                    return this._zoneSubjectFactory;
                },
                set: function (factory) {
                    const zone = this._zone;
                    this._zoneSubjectFactory = function () {
                        if (zone && zone !== Zone.current) {
                            return zone.run(factory, this, arguments);
                        }
                        return factory.apply(this, arguments);
                    };
                }
            }
        });
    };
    api.patchMethod(Observable.prototype, 'lift', (delegate) => (self, args) => {
        const observable = delegate.apply(self, args);
        if (observable.operator) {
            observable.operator._zone = Zone.current;
            api.patchMethod(observable.operator, 'call', (operatorDelegate) => (operatorSelf, operatorArgs) => {
                if (operatorSelf._zone && operatorSelf._zone !== Zone.current) {
                    return operatorSelf._zone.run(operatorDelegate, operatorSelf, operatorArgs);
                }
                return operatorDelegate.apply(operatorSelf, operatorArgs);
            });
        }
        return observable;
    });
    const patchSubscription = function () {
        ObjectDefineProperties(Subscription.prototype, {
            _zone: { value: null, writable: true, configurable: true },
            _zoneUnsubscribe: { value: null, writable: true, configurable: true },
            _unsubscribe: {
                get: function () {
                    if (this._zoneUnsubscribe || this._zoneUnsubscribeCleared) {
                        return this._zoneUnsubscribe;
                    }
                    const proto = Object.getPrototypeOf(this);
                    return proto && proto._unsubscribe;
                },
                set: function (unsubscribe) {
                    this._zone = Zone.current;
                    if (!unsubscribe) {
                        this._zoneUnsubscribe = unsubscribe;
                        // In some operator such as `retryWhen`, the _unsubscribe
                        // method will be set to null, so we need to set another flag
                        // to tell that we should return null instead of finding
                        // in the prototype chain.
                        this._zoneUnsubscribeCleared = true;
                    }
                    else {
                        this._zoneUnsubscribeCleared = false;
                        this._zoneUnsubscribe = function () {
                            if (this._zone && this._zone !== Zone.current) {
                                return this._zone.run(unsubscribe, this, arguments);
                            }
                            else {
                                return unsubscribe.apply(this, arguments);
                            }
                        };
                    }
                }
            }
        });
    };
    const patchSubscriber = function () {
        const next = Subscriber.prototype.next;
        const error = Subscriber.prototype.error;
        const complete = Subscriber.prototype.complete;
        Object.defineProperty(Subscriber.prototype, 'destination', {
            configurable: true,
            get: function () {
                return this._zoneDestination;
            },
            set: function (destination) {
                this._zone = Zone.current;
                this._zoneDestination = destination;
            }
        });
        // patch Subscriber.next to make sure it run
        // into SubscriptionZone
        Subscriber.prototype.next = function () {
            const currentZone = Zone.current;
            const subscriptionZone = this._zone;
            // for performance concern, check Zone.current
            // equal with this._zone(SubscriptionZone) or not
            if (subscriptionZone && subscriptionZone !== currentZone) {
                return subscriptionZone.run(next, this, arguments, nextSource);
            }
            else {
                return next.apply(this, arguments);
            }
        };
        Subscriber.prototype.error = function () {
            const currentZone = Zone.current;
            const subscriptionZone = this._zone;
            // for performance concern, check Zone.current
            // equal with this._zone(SubscriptionZone) or not
            if (subscriptionZone && subscriptionZone !== currentZone) {
                return subscriptionZone.run(error, this, arguments, errorSource);
            }
            else {
                return error.apply(this, arguments);
            }
        };
        Subscriber.prototype.complete = function () {
            const currentZone = Zone.current;
            const subscriptionZone = this._zone;
            // for performance concern, check Zone.current
            // equal with this._zone(SubscriptionZone) or not
            if (subscriptionZone && subscriptionZone !== currentZone) {
                return subscriptionZone.run(complete, this, arguments, completeSource);
            }
            else {
                return complete.call(this);
            }
        };
    };
    patchObservable();
    patchSubscription();
    patchSubscriber();
});
