(function (global, factory) {
    typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('@angular/fire'), require('rxjs'), require('rxjs/operators'), require('@angular/core'), require('@angular/fire/auth'), require('@angular/fire/app'), require('firebase/app'), require('@angular/fire/app-check'), require('rxfire/database'), require('firebase/database')) :
    typeof define === 'function' && define.amd ? define('@angular/fire/database', ['exports', '@angular/fire', 'rxjs', 'rxjs/operators', '@angular/core', '@angular/fire/auth', '@angular/fire/app', 'firebase/app', '@angular/fire/app-check', 'rxfire/database', 'firebase/database'], factory) :
    (global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory((global.angular = global.angular || {}, global.angular.fire = global.angular.fire || {}, global.angular.fire.database = {}), global.angular.fire, global.rxjs, global.rxjs.operators, global.ng.core, global.angular.fire.auth, global.angular.fire.app, global.app$1, global.angular.fire['app-check'], global['rxfire-database'], global['firebase-database']));
}(this, (function (exports, fire, rxjs, operators, i0, auth, app, app$1, appCheck, database, database$1) { 'use strict';

    function _interopNamespace(e) {
        if (e && e.__esModule) return e;
        var n = Object.create(null);
        if (e) {
            Object.keys(e).forEach(function (k) {
                if (k !== 'default') {
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                    Object.defineProperty(n, k, d.get ? d : {
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            });
        }
        n['default'] = e;
        return Object.freeze(n);
    }

    var i0__namespace = /*#__PURE__*/_interopNamespace(i0);

    var Database = /** @class */ (function () {
        function Database(database) {
            return database;
        }
        return Database;
    }());
    var DATABASE_PROVIDER_NAME = 'database';
    var DatabaseInstances = /** @class */ (function () {
        function DatabaseInstances() {
            return fire.ɵgetAllInstancesOf(DATABASE_PROVIDER_NAME);
        }
        return DatabaseInstances;
    }());
    var databaseInstance$ = rxjs.timer(0, 300).pipe(operators.concatMap(function () { return rxjs.from(fire.ɵgetAllInstancesOf(DATABASE_PROVIDER_NAME)); }), operators.distinct());

    /*! *****************************************************************************
    Copyright (c) Microsoft Corporation.

    Permission to use, copy, modify, and/or distribute this software for any
    purpose with or without fee is hereby granted.

    THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
    REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
    AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
    INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
    LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
    OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
    PERFORMANCE OF THIS SOFTWARE.
    ***************************************************************************** */
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    var PROVIDED_DATABASE_INSTANCES = new i0.InjectionToken('angularfire2.database-instances');
    function defaultDatabaseInstanceFactory(provided, defaultApp) {
        var defaultDatabase = fire.ɵgetDefaultInstanceOf(DATABASE_PROVIDER_NAME, provided, defaultApp);
        return defaultDatabase && new Database(defaultDatabase);
    }
    function databaseInstanceFactory(fn) {
        return function (zone, injector) {
            var database = zone.runOutsideAngular(function () { return fn(injector); });
            return new Database(database);
        };
    }
    var DATABASE_INSTANCES_PROVIDER = {
        provide: DatabaseInstances,
        deps: [
            [new i0.Optional(), PROVIDED_DATABASE_INSTANCES],
        ]
    };
    var DEFAULT_DATABASE_INSTANCE_PROVIDER = {
        provide: Database,
        useFactory: defaultDatabaseInstanceFactory,
        deps: [
            [new i0.Optional(), PROVIDED_DATABASE_INSTANCES],
            app.FirebaseApp,
        ]
    };
    var DatabaseModule = /** @class */ (function () {
        function DatabaseModule() {
            app$1.registerVersion('angularfire', fire.VERSION.full, 'rtdb');
        }
        return DatabaseModule;
    }());
    DatabaseModule.ɵfac = i0__namespace.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "12.1.3", ngImport: i0__namespace, type: DatabaseModule, deps: [], target: i0__namespace.ɵɵFactoryTarget.NgModule });
    DatabaseModule.ɵmod = i0__namespace.ɵɵngDeclareNgModule({ minVersion: "12.0.0", version: "12.1.3", ngImport: i0__namespace, type: DatabaseModule });
    DatabaseModule.ɵinj = i0__namespace.ɵɵngDeclareInjector({ minVersion: "12.0.0", version: "12.1.3", ngImport: i0__namespace, type: DatabaseModule, providers: [
            DEFAULT_DATABASE_INSTANCE_PROVIDER,
            DATABASE_INSTANCES_PROVIDER,
        ] });
    i0__namespace.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "12.1.3", ngImport: i0__namespace, type: DatabaseModule, decorators: [{
                type: i0.NgModule,
                args: [{
                        providers: [
                            DEFAULT_DATABASE_INSTANCE_PROVIDER,
                            DATABASE_INSTANCES_PROVIDER,
                        ]
                    }]
            }], ctorParameters: function () { return []; } });
    function provideDatabase(fn) {
        var deps = [];
        for (var _i = 1; _i < arguments.length; _i++) {
            deps[_i - 1] = arguments[_i];
        }
        return {
            ngModule: DatabaseModule,
            providers: [{
                    provide: PROVIDED_DATABASE_INSTANCES,
                    useFactory: databaseInstanceFactory(fn),
                    multi: true,
                    deps: __spreadArray([
                        i0.NgZone,
                        i0.Injector,
                        fire.ɵAngularFireSchedulers,
                        app.FirebaseApps,
                        // Database+Auth work better if Auth is loaded first
                        [new i0.Optional(), auth.AuthInstances],
                        [new i0.Optional(), appCheck.AppCheckInstances]
                    ], __read(deps))
                }]
        };
    }

    // DO NOT MODIFY, this file is autogenerated by tools/build.ts
    var fromRef = fire.ɵzoneWrap(database.fromRef, true);
    var stateChanges = fire.ɵzoneWrap(database.stateChanges, true);
    var list = fire.ɵzoneWrap(database.list, true);
    var listVal = fire.ɵzoneWrap(database.listVal, true);
    var auditTrail = fire.ɵzoneWrap(database.auditTrail, true);
    var object = fire.ɵzoneWrap(database.object, true);
    var objectVal = fire.ɵzoneWrap(database.objectVal, true);
    var changeToData = fire.ɵzoneWrap(database.changeToData, true);

    // DO NOT MODIFY, this file is autogenerated by tools/build.ts
    var child = fire.ɵzoneWrap(database$1.child, true);
    var connectDatabaseEmulator = fire.ɵzoneWrap(database$1.connectDatabaseEmulator, true);
    var enableLogging = fire.ɵzoneWrap(database$1.enableLogging, true);
    var endAt = fire.ɵzoneWrap(database$1.endAt, true);
    var endBefore = fire.ɵzoneWrap(database$1.endBefore, true);
    var equalTo = fire.ɵzoneWrap(database$1.equalTo, true);
    var forceLongPolling = fire.ɵzoneWrap(database$1.forceLongPolling, true);
    var forceWebSockets = fire.ɵzoneWrap(database$1.forceWebSockets, true);
    var get = fire.ɵzoneWrap(database$1.get, true);
    var getDatabase = fire.ɵzoneWrap(database$1.getDatabase, true);
    var goOffline = fire.ɵzoneWrap(database$1.goOffline, true);
    var goOnline = fire.ɵzoneWrap(database$1.goOnline, true);
    var increment = fire.ɵzoneWrap(database$1.increment, true);
    var limitToFirst = fire.ɵzoneWrap(database$1.limitToFirst, true);
    var limitToLast = fire.ɵzoneWrap(database$1.limitToLast, true);
    var off = fire.ɵzoneWrap(database$1.off, true);
    var onChildAdded = fire.ɵzoneWrap(database$1.onChildAdded, true);
    var onChildChanged = fire.ɵzoneWrap(database$1.onChildChanged, true);
    var onChildMoved = fire.ɵzoneWrap(database$1.onChildMoved, true);
    var onChildRemoved = fire.ɵzoneWrap(database$1.onChildRemoved, true);
    var onDisconnect = fire.ɵzoneWrap(database$1.onDisconnect, true);
    var onValue = fire.ɵzoneWrap(database$1.onValue, true);
    var orderByChild = fire.ɵzoneWrap(database$1.orderByChild, true);
    var orderByKey = fire.ɵzoneWrap(database$1.orderByKey, true);
    var orderByPriority = fire.ɵzoneWrap(database$1.orderByPriority, true);
    var orderByValue = fire.ɵzoneWrap(database$1.orderByValue, true);
    var push = fire.ɵzoneWrap(database$1.push, true);
    var query = fire.ɵzoneWrap(database$1.query, true);
    var ref = fire.ɵzoneWrap(database$1.ref, true);
    var refFromURL = fire.ɵzoneWrap(database$1.refFromURL, true);
    var remove = fire.ɵzoneWrap(database$1.remove, true);
    var runTransaction = fire.ɵzoneWrap(database$1.runTransaction, true);
    var serverTimestamp = fire.ɵzoneWrap(database$1.serverTimestamp, true);
    var set = fire.ɵzoneWrap(database$1.set, true);
    var setPriority = fire.ɵzoneWrap(database$1.setPriority, true);
    var setWithPriority = fire.ɵzoneWrap(database$1.setWithPriority, true);
    var startAfter = fire.ɵzoneWrap(database$1.startAfter, true);
    var startAt = fire.ɵzoneWrap(database$1.startAt, true);
    var update = fire.ɵzoneWrap(database$1.update, true);

    /**
     * Generated bundle index. Do not edit.
     */

    Object.defineProperty(exports, 'ListenEvent', {
        enumerable: true,
        get: function () {
            return database.ListenEvent;
        }
    });
    Object.defineProperty(exports, 'ListenerMethods', {
        enumerable: true,
        get: function () {
            return database.ListenerMethods;
        }
    });
    exports.Database = Database;
    exports.DatabaseInstances = DatabaseInstances;
    exports.DatabaseModule = DatabaseModule;
    exports.auditTrail = auditTrail;
    exports.changeToData = changeToData;
    exports.child = child;
    exports.connectDatabaseEmulator = connectDatabaseEmulator;
    exports.databaseInstance$ = databaseInstance$;
    exports.enableLogging = enableLogging;
    exports.endAt = endAt;
    exports.endBefore = endBefore;
    exports.equalTo = equalTo;
    exports.forceLongPolling = forceLongPolling;
    exports.forceWebSockets = forceWebSockets;
    exports.fromRef = fromRef;
    exports.get = get;
    exports.getDatabase = getDatabase;
    exports.goOffline = goOffline;
    exports.goOnline = goOnline;
    exports.increment = increment;
    exports.limitToFirst = limitToFirst;
    exports.limitToLast = limitToLast;
    exports.list = list;
    exports.listVal = listVal;
    exports.object = object;
    exports.objectVal = objectVal;
    exports.off = off;
    exports.onChildAdded = onChildAdded;
    exports.onChildChanged = onChildChanged;
    exports.onChildMoved = onChildMoved;
    exports.onChildRemoved = onChildRemoved;
    exports.onDisconnect = onDisconnect;
    exports.onValue = onValue;
    exports.orderByChild = orderByChild;
    exports.orderByKey = orderByKey;
    exports.orderByPriority = orderByPriority;
    exports.orderByValue = orderByValue;
    exports.provideDatabase = provideDatabase;
    exports.push = push;
    exports.query = query;
    exports.ref = ref;
    exports.refFromURL = refFromURL;
    exports.remove = remove;
    exports.runTransaction = runTransaction;
    exports.serverTimestamp = serverTimestamp;
    exports.set = set;
    exports.setPriority = setPriority;
    exports.setWithPriority = setWithPriority;
    exports.startAfter = startAfter;
    exports.startAt = startAt;
    exports.stateChanges = stateChanges;
    exports.update = update;
    Object.keys(database$1).forEach(function (k) {
        if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, {
            enumerable: true,
            get: function () {
                return database$1[k];
            }
        });
    });

    Object.defineProperty(exports, '__esModule', { value: true });

})));
//# sourceMappingURL=angular-fire-database.umd.js.map