Updated

node_modules/@firebase/app-types/README.md

@@ -0,0 +1,3 @@
+# @firebase/app-types
+
+**This package is not intended for direct usage, and should only be used via the officially supported [firebase](https://www.npmjs.com/package/firebase) package.**

node_modules/@firebase/app-types/index.d.ts

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+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+export type FirebaseOptions = {
+  apiKey?: string;
+  authDomain?: string;
+  databaseURL?: string;
+  projectId?: string;
+  storageBucket?: string;
+  messagingSenderId?: string;
+  appId?: string;
+  [name: string]: any;
+};
+
+export interface FirebaseAppConfig {
+  name?: string;
+  automaticDataCollectionEnabled?: boolean;
+}
+
+export class FirebaseApp {
+  /**
+   * The (read-only) name (identifier) for this App. '[DEFAULT]' is the default
+   * App.
+   */
+  name: string;
+
+  /**
+   * The (read-only) configuration options from the app initialization.
+   */
+  options: FirebaseOptions;
+
+  /**
+   * The settable config flag for GDPR opt-in/opt-out
+   */
+  automaticDataCollectionEnabled: boolean;
+
+  /**
+   * Make the given App unusable and free resources.
+   */
+  delete(): Promise<void>;
+}
+
+export interface FirebaseNamespace {
+  /**
+   * Create (and initialize) a FirebaseApp.
+   *
+   * @param options Options to configure the services used in the App.
+   * @param config The optional config for your firebase app
+   */
+  initializeApp(
+    options: FirebaseOptions,
+    config?: FirebaseAppConfig
+  ): FirebaseApp;
+  /**
+   * Create (and initialize) a FirebaseApp.
+   *
+   * @param options Options to configure the services used in the App.
+   * @param name The optional name of the app to initialize ('[DEFAULT]' if
+   * omitted)
+   */
+  initializeApp(options: FirebaseOptions, name?: string): FirebaseApp;
+
+  app: {
+    /**
+     * Retrieve an instance of a FirebaseApp.
+     *
+     * Usage: firebase.app()
+     *
+     * @param name The optional name of the app to return ('[DEFAULT]' if omitted)
+     */
+    (name?: string): FirebaseApp;
+
+    /**
+     * For testing FirebaseApp instances:
+     *  app() instanceof firebase.app.App
+     *
+     * DO NOT call this constuctor directly (use firebase.app() instead).
+     */
+    App: typeof FirebaseApp;
+  };
+
+  /**
+   * A (read-only) array of all the initialized Apps.
+   */
+  apps: FirebaseApp[];
+
+  // The current SDK version.
+  SDK_VERSION: string;
+}

node_modules/@firebase/app-types/package.json

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+{
+  "_from": "@firebase/app-types@0.4.3",
+  "_id": "@firebase/app-types@0.4.3",
+  "_inBundle": false,
+  "_integrity": "sha512-VU5c+ZjejvefLVH4cjiX3Hy1w9HYMv7TtZ1tF9ZmOqT4DSIU1a3VISWoo8///cGGffr5IirMO+Q/WZLI4p8VcA==",
+  "_location": "/@firebase/app-types",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "version",
+    "registry": true,
+    "raw": "@firebase/app-types@0.4.3",
+    "name": "@firebase/app-types",
+    "escapedName": "@firebase%2fapp-types",
+    "scope": "@firebase",
+    "rawSpec": "0.4.3",
+    "saveSpec": null,
+    "fetchSpec": "0.4.3"
+  },
+  "_requiredBy": [
+    "/@firebase/app",
+    "/@firebase/database-types",
+    "/firebase"
+  ],
+  "_resolved": "https://registry.npmjs.org/@firebase/app-types/-/app-types-0.4.3.tgz",
+  "_shasum": "80d2b6e5ee43ac99892329ab02301ee7ed82da45",
+  "_spec": "@firebase/app-types@0.4.3",
+  "_where": "C:\\Users\\matia\\Documents\\GitHub\\FutoX-Musix\\node_modules\\firebase",
+  "author": {
+    "name": "Firebase",
+    "email": "firebase-support@google.com",
+    "url": "https://firebase.google.com/"
+  },
+  "bugs": {
+    "url": "https://github.com/firebase/firebase-js-sdk/issues"
+  },
+  "bundleDependencies": false,
+  "deprecated": false,
+  "description": "@firebase/app Types",
+  "devDependencies": {
+    "typescript": "3.5.3"
+  },
+  "files": [
+    "index.d.ts",
+    "private.d.ts"
+  ],
+  "homepage": "https://github.com/firebase/firebase-js-sdk#readme",
+  "license": "Apache-2.0",
+  "name": "@firebase/app-types",
+  "repository": {
+    "directory": "packages/app-types",
+    "type": "git",
+    "url": "git+https://github.com/firebase/firebase-js-sdk.git"
+  },
+  "scripts": {
+    "test": "tsc"
+  },
+  "version": "0.4.3"
+}

node_modules/@firebase/app-types/private.d.ts

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+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * THIS FILE IS FOR INTERNAL USAGE ONLY, IF YOU ARE NOT DEVELOPING THE FIREBASE
+ * SDKs, PLEASE DO NOT REFERENCE THIS FILE AS IT MAY CHANGE WITHOUT WARNING
+ */
+
+import { FirebaseApp, FirebaseNamespace } from '@firebase/app-types';
+import { Observer, Subscribe } from '@firebase/util';
+import { FirebaseError, ErrorFactory } from '@firebase/util';
+
+export interface FirebaseServiceInternals {
+  /**
+   * Delete the service and free it's resources - called from
+   * app.delete().
+   */
+  delete(): Promise<void>;
+}
+
+// Services are exposed through instances - each of which is associated with a
+// FirebaseApp.
+export interface FirebaseService {
+  app: FirebaseApp;
+  INTERNAL?: FirebaseServiceInternals;
+}
+
+export type AppHook = (event: string, app: FirebaseApp) => void;
+
+/**
+ * Firebase Services create instances given a Firebase App instance and can
+ * optionally add properties and methods to each FirebaseApp via the extendApp()
+ * function.
+ */
+export interface FirebaseServiceFactory {
+  (
+    app: FirebaseApp,
+    extendApp?: (props: { [prop: string]: any }) => void,
+    instanceString?: string
+  ): FirebaseService;
+}
+
+/**
+ * All ServiceNamespaces extend from FirebaseServiceNamespace
+ */
+export interface FirebaseServiceNamespace<T extends FirebaseService> {
+  (app?: FirebaseApp): T;
+}
+
+export interface FirebaseAuthTokenData {
+  accessToken: string;
+}
+
+export interface FirebaseAppInternals {
+  getToken(refreshToken?: boolean): Promise<FirebaseAuthTokenData | null>;
+  getUid(): string | null;
+  addAuthTokenListener(fn: (token: string | null) => void): void;
+  removeAuthTokenListener(fn: (token: string | null) => void): void;
+}
+
+export interface _FirebaseApp extends FirebaseApp {
+  INTERNAL: FirebaseAppInternals;
+  _removeServiceInstance: (name: string, instanceIdentifier?: string) => void;
+}
+export interface _FirebaseNamespace extends FirebaseNamespace {
+  INTERNAL: {
+    /**
+     * Internal API to register a Firebase Service into the firebase namespace.
+     *
+     * Each service will create a child namespace (firebase.<name>) which acts as
+     * both a namespace for service specific properties, and also as a service
+     * accessor function (firebase.<name>() or firebase.<name>(app)).
+     *
+     * @param name The Firebase Service being registered.
+     * @param createService Factory function to create a service instance.
+     * @param serviceProperties Properties to copy to the service's namespace.
+     * @param appHook All appHooks called before initializeApp returns to caller.
+     * @param allowMultipleInstances Whether the registered service supports
+     *   multiple instances per app. If not specified, the default is false.
+     */
+    registerService(
+      name: string,
+      createService: FirebaseServiceFactory,
+      serviceProperties?: { [prop: string]: any },
+      appHook?: AppHook,
+      allowMultipleInstances?: boolean
+    ): FirebaseServiceNamespace<FirebaseService>;
+
+    /**
+     * Just used for testing to start from a fresh namespace.
+     */
+    createFirebaseNamespace(): FirebaseNamespace;
+
+    /**
+     * Internal API to install properties on the top-level firebase namespace.
+     * @prop props The top level properties of this object are copied to the
+     *   namespace.
+     */
+    extendNamespace(props: { [prop: string]: any }): void;
+
+    /**
+     * Create a Subscribe function.  A proxy Observer is created so that
+     * events can be sent to single Observer to be fanned out automatically.
+     */
+    createSubscribe<T>(
+      executor: (observer: Observer<T>) => void,
+      onNoObservers?: (observer: Observer<T>) => void
+    ): Subscribe<T>;
+
+    /**
+     * Utility exposed for internal testing.
+     */
+    deepExtend(target: any, source: any): any;
+
+    /**
+     * Internal API to remove an app from the list of registered apps.
+     */
+    removeApp(name: string): void;
+
+    /**
+     * Service factories for each registered service.
+     */
+    factories: { [name: string]: FirebaseServiceFactory };
+
+    /*
+     * Convert service name to factory name to use.
+     */
+    useAsService(app: FirebaseApp, serviceName: string): string | null;
+
+    /**
+     * Use to construct all thrown FirebaseError's.
+     */
+    ErrorFactory: typeof ErrorFactory;
+  };
+}

node_modules/@firebase/app/README.md

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+# @firebase/app
+
+This package coordinates the communication between the different Firebase components and
+exposes the API surface to the user
+
+**This package is not intended for direct usage, and should only be used via the officially supported [firebase](https://www.npmjs.com/package/firebase) package.**

node_modules/@firebase/app/dist/app/index.d.ts

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+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { FirebaseNamespace } from '@firebase/app-types';
+export declare const firebase: FirebaseNamespace;
+export default firebase;

node_modules/@firebase/app/dist/app/index.lite.d.ts

@@ -0,0 +1,18 @@
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+export declare const firebase: import("@firebase/app-types").FirebaseNamespace;
+export default firebase;

node_modules/@firebase/app/dist/app/index.node.d.ts

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+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { FirebaseNamespace } from '@firebase/app-types';
+export declare const firebase: FirebaseNamespace;
+export default firebase;

node_modules/@firebase/app/dist/app/index.rn.d.ts

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+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { FirebaseNamespace } from '@firebase/app-types';
+export declare const firebase: FirebaseNamespace;
+export default firebase;

node_modules/@firebase/app/dist/app/src/constants.d.ts

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+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+export declare const DEFAULT_ENTRY_NAME = "[DEFAULT]";

node_modules/@firebase/app/dist/app/src/errors.d.ts

@@ -0,0 +1,31 @@
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { ErrorFactory } from '@firebase/util';
+export declare const enum AppError {
+    NO_APP = "no-app",
+    BAD_APP_NAME = "bad-app-name",
+    DUPLICATE_APP = "duplicate-app",
+    APP_DELETED = "app-deleted",
+    INVALID_APP_ARGUMENT = "invalid-app-argument"
+}
+declare type ErrorParams = {
+    [key in AppError]: {
+        appName: string;
+    };
+};
+export declare const ERROR_FACTORY: ErrorFactory<AppError, ErrorParams>;
+export {};

node_modules/@firebase/app/dist/app/src/firebaseApp.d.ts

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+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { FirebaseApp, FirebaseOptions, FirebaseAppConfig } from '@firebase/app-types';
+import { _FirebaseNamespace, FirebaseService, FirebaseAppInternals } from '@firebase/app-types/private';
+/**
+ * Global context object for a collection of services using
+ * a shared authentication state.
+ */
+export declare class FirebaseAppImpl implements FirebaseApp {
+    private readonly firebase_;
+    private readonly options_;
+    private readonly name_;
+    private isDeleted_;
+    private services_;
+    private automaticDataCollectionEnabled_;
+    INTERNAL: FirebaseAppInternals;
+    constructor(options: FirebaseOptions, config: FirebaseAppConfig, firebase_: _FirebaseNamespace);
+    automaticDataCollectionEnabled: boolean;
+    readonly name: string;
+    readonly options: FirebaseOptions;
+    delete(): Promise<void>;
+    /**
+     * Return a service instance associated with this app (creating it
+     * on demand), identified by the passed instanceIdentifier.
+     *
+     * NOTE: Currently storage and functions are the only ones that are leveraging this
+     * functionality. They invoke it by calling:
+     *
+     * ```javascript
+     * firebase.app().storage('STORAGE BUCKET ID')
+     * ```
+     *
+     * The service name is passed to this already
+     * @internal
+     */
+    _getService(name: string, instanceIdentifier?: string): FirebaseService;
+    /**
+     * Remove a service instance from the cache, so we will create a new instance for this service
+     * when people try to get this service again.
+     *
+     * NOTE: currently only firestore is using this functionality to support firestore shutdown.
+     *
+     * @param name The service name
+     * @param instanceIdentifier instance identifier in case multiple instances are allowed
+     * @internal
+     */
+    _removeServiceInstance(name: string, instanceIdentifier?: string): void;
+    /**
+     * Callback function used to extend an App instance at the time
+     * of service instance creation.
+     */
+    private extendApp;
+    /**
+     * This function will throw an Error if the App has already been deleted -
+     * use before performing API actions on the App.
+     */
+    private checkDestroyed_;
+}

node_modules/@firebase/app/dist/app/src/firebaseNamespace.d.ts

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+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { FirebaseNamespace } from '@firebase/app-types';
+/**
+ * Return a firebase namespace object.
+ *
+ * In production, this will be called exactly once and the result
+ * assigned to the 'firebase' global.  It may be called multiple times
+ * in unit tests.
+ */
+export declare function createFirebaseNamespace(): FirebaseNamespace;

node_modules/@firebase/app/dist/app/src/firebaseNamespaceCore.d.ts

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+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { FirebaseNamespace } from '@firebase/app-types';
+import { FirebaseAppImpl } from './firebaseApp';
+import { FirebaseAppLiteImpl } from './lite/firebaseAppLite';
+/**
+ * Because auth can't share code with other components, we attach the utility functions
+ * in an internal namespace to share code.
+ * This function return a firebase namespace object without
+ * any utility functions, so it can be shared between the regular firebaseNamespace and
+ * the lite version.
+ */
+export declare function createFirebaseNamespaceCore(firebaseAppImpl: typeof FirebaseAppImpl | typeof FirebaseAppLiteImpl): FirebaseNamespace;

node_modules/@firebase/app/dist/app/src/lite/firebaseAppLite.d.ts

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+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { FirebaseApp, FirebaseOptions, FirebaseAppConfig } from '@firebase/app-types';
+import { _FirebaseNamespace, FirebaseService } from '@firebase/app-types/private';
+/**
+ * Global context object for a collection of services using
+ * a shared authentication state.
+ */
+export declare class FirebaseAppLiteImpl implements FirebaseApp {
+    private readonly firebase_;
+    private readonly options_;
+    private readonly name_;
+    private isDeleted_;
+    private services_;
+    private automaticDataCollectionEnabled_;
+    readonly INTERNAL: {};
+    constructor(options: FirebaseOptions, config: FirebaseAppConfig, firebase_: _FirebaseNamespace);
+    automaticDataCollectionEnabled: boolean;
+    readonly name: string;
+    readonly options: FirebaseOptions;
+    delete(): Promise<void>;
+    /**
+     * Return a service instance associated with this app (creating it
+     * on demand), identified by the passed instanceIdentifier.
+     *
+     * NOTE: Currently storage is the only one that is leveraging this
+     * functionality. They invoke it by calling:
+     *
+     * ```javascript
+     * firebase.app().storage('STORAGE BUCKET ID')
+     * ```
+     *
+     * The service name is passed to this already
+     * @internal
+     */
+    _getService(name: string, instanceIdentifier?: string): FirebaseService;
+    /**
+     * Callback function used to extend an App instance at the time
+     * of service instance creation.
+     */
+    private extendApp;
+    /**
+     * This function will throw an Error if the App has already been deleted -
+     * use before performing API actions on the App.
+     */
+    private checkDestroyed_;
+}

node_modules/@firebase/app/dist/app/src/lite/firebaseNamespaceLite.d.ts

@@ -0,0 +1,18 @@
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { FirebaseNamespace } from '@firebase/app-types';
+export declare function createFirebaseNamespaceLite(): FirebaseNamespace;

node_modules/@firebase/app/dist/app/src/logger.d.ts

@@ -0,0 +1,18 @@
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { Logger } from '@firebase/logger';
+export declare const logger: Logger;

node_modules/@firebase/app/dist/index.cjs.js

@@ -0,0 +1,555 @@
+'use strict';
+
+Object.defineProperty(exports, '__esModule', { value: true });
+
+var tslib_1 = require('tslib');
+var util = require('@firebase/util');
+var logger$1 = require('@firebase/logger');
+
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+var _a;
+var ERRORS = (_a = {},
+    _a["no-app" /* NO_APP */] = "No Firebase App '{$appName}' has been created - " +
+        'call Firebase App.initializeApp()',
+    _a["bad-app-name" /* BAD_APP_NAME */] = "Illegal App name: '{$appName}",
+    _a["duplicate-app" /* DUPLICATE_APP */] = "Firebase App named '{$appName}' already exists",
+    _a["app-deleted" /* APP_DELETED */] = "Firebase App named '{$appName}' already deleted",
+    _a["invalid-app-argument" /* INVALID_APP_ARGUMENT */] = 'firebase.{$appName}() takes either no argument or a ' +
+        'Firebase App instance.',
+    _a);
+var ERROR_FACTORY = new util.ErrorFactory('app', 'Firebase', ERRORS);
+
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+var DEFAULT_ENTRY_NAME = '[DEFAULT]';
+
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// An array to capture listeners before the true auth functions
+// exist
+var tokenListeners = [];
+/**
+ * Global context object for a collection of services using
+ * a shared authentication state.
+ */
+var FirebaseAppImpl = /** @class */ (function () {
+    function FirebaseAppImpl(options, config, firebase_) {
+        this.firebase_ = firebase_;
+        this.isDeleted_ = false;
+        this.services_ = {};
+        this.name_ = config.name;
+        this.automaticDataCollectionEnabled_ =
+            config.automaticDataCollectionEnabled || false;
+        this.options_ = util.deepCopy(options);
+        this.INTERNAL = {
+            getUid: function () { return null; },
+            getToken: function () { return Promise.resolve(null); },
+            addAuthTokenListener: function (callback) {
+                tokenListeners.push(callback);
+                // Make sure callback is called, asynchronously, in the absence of the auth module
+                setTimeout(function () { return callback(null); }, 0);
+            },
+            removeAuthTokenListener: function (callback) {
+                tokenListeners = tokenListeners.filter(function (listener) { return listener !== callback; });
+            }
+        };
+    }
+    Object.defineProperty(FirebaseAppImpl.prototype, "automaticDataCollectionEnabled", {
+        get: function () {
+            this.checkDestroyed_();
+            return this.automaticDataCollectionEnabled_;
+        },
+        set: function (val) {
+            this.checkDestroyed_();
+            this.automaticDataCollectionEnabled_ = val;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    Object.defineProperty(FirebaseAppImpl.prototype, "name", {
+        get: function () {
+            this.checkDestroyed_();
+            return this.name_;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    Object.defineProperty(FirebaseAppImpl.prototype, "options", {
+        get: function () {
+            this.checkDestroyed_();
+            return this.options_;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    FirebaseAppImpl.prototype.delete = function () {
+        var _this = this;
+        return new Promise(function (resolve) {
+            _this.checkDestroyed_();
+            resolve();
+        })
+            .then(function () {
+            _this.firebase_.INTERNAL.removeApp(_this.name_);
+            var services = [];
+            for (var _i = 0, _a = Object.keys(_this.services_); _i < _a.length; _i++) {
+                var serviceKey = _a[_i];
+                for (var _b = 0, _c = Object.keys(_this.services_[serviceKey]); _b < _c.length; _b++) {
+                    var instanceKey = _c[_b];
+                    services.push(_this.services_[serviceKey][instanceKey]);
+                }
+            }
+            return Promise.all(services
+                .filter(function (service) { return 'INTERNAL' in service; })
+                .map(function (service) { return service.INTERNAL.delete(); }));
+        })
+            .then(function () {
+            _this.isDeleted_ = true;
+            _this.services_ = {};
+        });
+    };
+    /**
+     * Return a service instance associated with this app (creating it
+     * on demand), identified by the passed instanceIdentifier.
+     *
+     * NOTE: Currently storage and functions are the only ones that are leveraging this
+     * functionality. They invoke it by calling:
+     *
+     * ```javascript
+     * firebase.app().storage('STORAGE BUCKET ID')
+     * ```
+     *
+     * The service name is passed to this already
+     * @internal
+     */
+    FirebaseAppImpl.prototype._getService = function (name, instanceIdentifier) {
+        if (instanceIdentifier === void 0) { instanceIdentifier = DEFAULT_ENTRY_NAME; }
+        this.checkDestroyed_();
+        if (!this.services_[name]) {
+            this.services_[name] = {};
+        }
+        if (!this.services_[name][instanceIdentifier]) {
+            /**
+             * If a custom instance has been defined (i.e. not '[DEFAULT]')
+             * then we will pass that instance on, otherwise we pass `null`
+             */
+            var instanceSpecifier = instanceIdentifier !== DEFAULT_ENTRY_NAME
+                ? instanceIdentifier
+                : undefined;
+            var service = this.firebase_.INTERNAL.factories[name](this, this.extendApp.bind(this), instanceSpecifier);
+            this.services_[name][instanceIdentifier] = service;
+        }
+        return this.services_[name][instanceIdentifier];
+    };
+    /**
+     * Remove a service instance from the cache, so we will create a new instance for this service
+     * when people try to get this service again.
+     *
+     * NOTE: currently only firestore is using this functionality to support firestore shutdown.
+     *
+     * @param name The service name
+     * @param instanceIdentifier instance identifier in case multiple instances are allowed
+     * @internal
+     */
+    FirebaseAppImpl.prototype._removeServiceInstance = function (name, instanceIdentifier) {
+        if (instanceIdentifier === void 0) { instanceIdentifier = DEFAULT_ENTRY_NAME; }
+        if (this.services_[name] && this.services_[name][instanceIdentifier]) {
+            delete this.services_[name][instanceIdentifier];
+        }
+    };
+    /**
+     * Callback function used to extend an App instance at the time
+     * of service instance creation.
+     */
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    FirebaseAppImpl.prototype.extendApp = function (props) {
+        var _this = this;
+        // Copy the object onto the FirebaseAppImpl prototype
+        util.deepExtend(this, props);
+        /**
+         * If the app has overwritten the addAuthTokenListener stub, forward
+         * the active token listeners on to the true fxn.
+         *
+         * TODO: This function is required due to our current module
+         * structure. Once we are able to rely strictly upon a single module
+         * implementation, this code should be refactored and Auth should
+         * provide these stubs and the upgrade logic
+         */
+        if (props.INTERNAL && props.INTERNAL.addAuthTokenListener) {
+            tokenListeners.forEach(function (listener) {
+                _this.INTERNAL.addAuthTokenListener(listener);
+            });
+            tokenListeners = [];
+        }
+    };
+    /**
+     * This function will throw an Error if the App has already been deleted -
+     * use before performing API actions on the App.
+     */
+    FirebaseAppImpl.prototype.checkDestroyed_ = function () {
+        if (this.isDeleted_) {
+            throw ERROR_FACTORY.create("app-deleted" /* APP_DELETED */, { appName: this.name_ });
+        }
+    };
+    return FirebaseAppImpl;
+}());
+// Prevent dead-code elimination of these methods w/o invalid property
+// copying.
+(FirebaseAppImpl.prototype.name && FirebaseAppImpl.prototype.options) ||
+    FirebaseAppImpl.prototype.delete ||
+    console.log('dc');
+
+var version = "6.6.0";
+
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+var logger = new logger$1.Logger('@firebase/app');
+
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/**
+ * Because auth can't share code with other components, we attach the utility functions
+ * in an internal namespace to share code.
+ * This function return a firebase namespace object without
+ * any utility functions, so it can be shared between the regular firebaseNamespace and
+ * the lite version.
+ */
+function createFirebaseNamespaceCore(firebaseAppImpl) {
+    var apps = {};
+    var factories = {};
+    var appHooks = {};
+    // A namespace is a plain JavaScript Object.
+    var namespace = {
+        // Hack to prevent Babel from modifying the object returned
+        // as the firebase namespace.
+        // @ts-ignore
+        __esModule: true,
+        initializeApp: initializeApp,
+        // @ts-ignore
+        app: app,
+        // @ts-ignore
+        apps: null,
+        SDK_VERSION: version,
+        INTERNAL: {
+            registerService: registerService,
+            removeApp: removeApp,
+            factories: factories,
+            useAsService: useAsService
+        }
+    };
+    // Inject a circular default export to allow Babel users who were previously
+    // using:
+    //
+    //   import firebase from 'firebase';
+    //   which becomes: var firebase = require('firebase').default;
+    //
+    // instead of
+    //
+    //   import * as firebase from 'firebase';
+    //   which becomes: var firebase = require('firebase');
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    namespace['default'] = namespace;
+    // firebase.apps is a read-only getter.
+    Object.defineProperty(namespace, 'apps', {
+        get: getApps
+    });
+    /**
+     * Called by App.delete() - but before any services associated with the App
+     * are deleted.
+     */
+    function removeApp(name) {
+        var app = apps[name];
+        callAppHooks(app, 'delete');
+        delete apps[name];
+    }
+    /**
+     * Get the App object for a given name (or DEFAULT).
+     */
+    function app(name) {
+        name = name || DEFAULT_ENTRY_NAME;
+        if (!util.contains(apps, name)) {
+            throw ERROR_FACTORY.create("no-app" /* NO_APP */, { appName: name });
+        }
+        return apps[name];
+    }
+    // @ts-ignore
+    app['App'] = firebaseAppImpl;
+    function initializeApp(options, rawConfig) {
+        if (rawConfig === void 0) { rawConfig = {}; }
+        if (typeof rawConfig !== 'object' || rawConfig === null) {
+            var name_1 = rawConfig;
+            rawConfig = { name: name_1 };
+        }
+        var config = rawConfig;
+        if (config.name === undefined) {
+            config.name = DEFAULT_ENTRY_NAME;
+        }
+        var name = config.name;
+        if (typeof name !== 'string' || !name) {
+            throw ERROR_FACTORY.create("bad-app-name" /* BAD_APP_NAME */, {
+                appName: String(name)
+            });
+        }
+        if (util.contains(apps, name)) {
+            throw ERROR_FACTORY.create("duplicate-app" /* DUPLICATE_APP */, { appName: name });
+        }
+        var app = new firebaseAppImpl(options, config, namespace);
+        apps[name] = app;
+        callAppHooks(app, 'create');
+        return app;
+    }
+    /*
+     * Return an array of all the non-deleted FirebaseApps.
+     */
+    function getApps() {
+        // Make a copy so caller cannot mutate the apps list.
+        return Object.keys(apps).map(function (name) { return apps[name]; });
+    }
+    /*
+     * Register a Firebase Service.
+     *
+     * firebase.INTERNAL.registerService()
+     *
+     * TODO: Implement serviceProperties.
+     */
+    function registerService(name, createService, serviceProperties, appHook, allowMultipleInstances) {
+        if (allowMultipleInstances === void 0) { allowMultipleInstances = false; }
+        // If re-registering a service that already exists, return existing service
+        if (factories[name]) {
+            logger.debug("There were multiple attempts to register service " + name + ".");
+            // eslint-disable-next-line @typescript-eslint/no-explicit-any
+            return namespace[name];
+        }
+        // Capture the service factory for later service instantiation
+        factories[name] = createService;
+        // Capture the appHook, if passed
+        if (appHook) {
+            appHooks[name] = appHook;
+            // Run the **new** app hook on all existing apps
+            getApps().forEach(function (app) {
+                appHook('create', app);
+            });
+        }
+        // The Service namespace is an accessor function ...
+        function serviceNamespace(appArg) {
+            if (appArg === void 0) { appArg = app(); }
+            // @ts-ignore
+            if (typeof appArg[name] !== 'function') {
+                // Invalid argument.
+                // This happens in the following case: firebase.storage('gs:/')
+                throw ERROR_FACTORY.create("invalid-app-argument" /* INVALID_APP_ARGUMENT */, {
+                    appName: name
+                });
+            }
+            // Forward service instance lookup to the FirebaseApp.
+            // @ts-ignore
+            return appArg[name]();
+        }
+        // ... and a container for service-level properties.
+        if (serviceProperties !== undefined) {
+            util.deepExtend(serviceNamespace, serviceProperties);
+        }
+        // Monkey-patch the serviceNamespace onto the firebase namespace
+        // @ts-ignore
+        namespace[name] = serviceNamespace;
+        // Patch the FirebaseAppImpl prototype
+        // @ts-ignore
+        firebaseAppImpl.prototype[name] =
+            // TODO: The eslint disable can be removed and the 'ignoreRestArgs'
+            // option added to the no-explicit-any rule when ESlint releases it.
+            // eslint-disable-next-line @typescript-eslint/no-explicit-any
+            function () {
+                var args = [];
+                for (var _i = 0; _i < arguments.length; _i++) {
+                    args[_i] = arguments[_i];
+                }
+                var serviceFxn = this._getService.bind(this, name);
+                return serviceFxn.apply(this, allowMultipleInstances ? args : []);
+            };
+        return serviceNamespace;
+    }
+    function callAppHooks(app, eventName) {
+        for (var _i = 0, _a = Object.keys(factories); _i < _a.length; _i++) {
+            var serviceName = _a[_i];
+            // Ignore virtual services
+            var factoryName = useAsService(app, serviceName);
+            if (factoryName === null) {
+                return;
+            }
+            if (appHooks[factoryName]) {
+                appHooks[factoryName](eventName, app);
+            }
+        }
+    }
+    // Map the requested service to a registered service name
+    // (used to map auth to serverAuth service when needed).
+    function useAsService(app, name) {
+        if (name === 'serverAuth') {
+            return null;
+        }
+        var useService = name;
+        return useService;
+    }
+    return namespace;
+}
+
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/**
+ * Return a firebase namespace object.
+ *
+ * In production, this will be called exactly once and the result
+ * assigned to the 'firebase' global.  It may be called multiple times
+ * in unit tests.
+ */
+function createFirebaseNamespace() {
+    var namespace = createFirebaseNamespaceCore(FirebaseAppImpl);
+    namespace.INTERNAL = tslib_1.__assign({}, namespace.INTERNAL, { createFirebaseNamespace: createFirebaseNamespace,
+        extendNamespace: extendNamespace,
+        createSubscribe: util.createSubscribe,
+        ErrorFactory: util.ErrorFactory,
+        deepExtend: util.deepExtend });
+    /**
+     * Patch the top-level firebase namespace with additional properties.
+     *
+     * firebase.INTERNAL.extendNamespace()
+     */
+    function extendNamespace(props) {
+        util.deepExtend(namespace, props);
+    }
+    return namespace;
+}
+
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Firebase Lite detection
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+if (util.isBrowser() && self.firebase !== undefined) {
+    logger.warn("\n    Warning: Firebase is already defined in the global scope. Please make sure\n    Firebase library is only loaded once.\n  ");
+    // eslint-disable-next-line
+    var sdkVersion = self.firebase.SDK_VERSION;
+    if (sdkVersion && sdkVersion.indexOf('LITE') >= 0) {
+        logger.warn("\n    Warning: You are trying to load Firebase while using Firebase Performance standalone script.\n    You should load Firebase Performance with this instance of Firebase to avoid loading duplicate code.\n    ");
+    }
+}
+var firebaseNamespace = createFirebaseNamespace();
+var initializeApp = firebaseNamespace.initializeApp;
+// TODO: This disable can be removed and the 'ignoreRestArgs' option added to
+// the no-explicit-any rule when ESlint releases it.
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+firebaseNamespace.initializeApp = function () {
+    var args = [];
+    for (var _i = 0; _i < arguments.length; _i++) {
+        args[_i] = arguments[_i];
+    }
+    // Environment check before initializing app
+    // Do the check in initializeApp, so people have a chance to disable it by setting logLevel
+    // in @firebase/logger
+    if (util.isNode()) {
+        logger.warn("\n      Warning: This is a browser-targeted Firebase bundle but it appears it is being\n      run in a Node environment.  If running in a Node environment, make sure you\n      are using the bundle specified by the \"main\" field in package.json.\n      \n      If you are using Webpack, you can specify \"main\" as the first item in\n      \"resolve.mainFields\":\n      https://webpack.js.org/configuration/resolve/#resolvemainfields\n      \n      If using Rollup, use the rollup-plugin-node-resolve plugin and specify \"main\"\n      as the first item in \"mainFields\", e.g. ['main', 'module'].\n      https://github.com/rollup/rollup-plugin-node-resolve\n      ");
+    }
+    return initializeApp.apply(undefined, args);
+};
+var firebase = firebaseNamespace;
+
+exports.default = firebase;
+exports.firebase = firebase;
+//# sourceMappingURL=index.cjs.js.map

node_modules/@firebase/app/dist/index.esm.js

@@ -0,0 +1,551 @@
+import { __assign } from 'tslib';
+import { ErrorFactory, deepExtend, deepCopy, contains, createSubscribe, isBrowser, isNode } from '@firebase/util';
+import { Logger } from '@firebase/logger';
+
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+var _a;
+var ERRORS = (_a = {},
+    _a["no-app" /* NO_APP */] = "No Firebase App '{$appName}' has been created - " +
+        'call Firebase App.initializeApp()',
+    _a["bad-app-name" /* BAD_APP_NAME */] = "Illegal App name: '{$appName}",
+    _a["duplicate-app" /* DUPLICATE_APP */] = "Firebase App named '{$appName}' already exists",
+    _a["app-deleted" /* APP_DELETED */] = "Firebase App named '{$appName}' already deleted",
+    _a["invalid-app-argument" /* INVALID_APP_ARGUMENT */] = 'firebase.{$appName}() takes either no argument or a ' +
+        'Firebase App instance.',
+    _a);
+var ERROR_FACTORY = new ErrorFactory('app', 'Firebase', ERRORS);
+
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+var DEFAULT_ENTRY_NAME = '[DEFAULT]';
+
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// An array to capture listeners before the true auth functions
+// exist
+var tokenListeners = [];
+/**
+ * Global context object for a collection of services using
+ * a shared authentication state.
+ */
+var FirebaseAppImpl = /** @class */ (function () {
+    function FirebaseAppImpl(options, config, firebase_) {
+        this.firebase_ = firebase_;
+        this.isDeleted_ = false;
+        this.services_ = {};
+        this.name_ = config.name;
+        this.automaticDataCollectionEnabled_ =
+            config.automaticDataCollectionEnabled || false;
+        this.options_ = deepCopy(options);
+        this.INTERNAL = {
+            getUid: function () { return null; },
+            getToken: function () { return Promise.resolve(null); },
+            addAuthTokenListener: function (callback) {
+                tokenListeners.push(callback);
+                // Make sure callback is called, asynchronously, in the absence of the auth module
+                setTimeout(function () { return callback(null); }, 0);
+            },
+            removeAuthTokenListener: function (callback) {
+                tokenListeners = tokenListeners.filter(function (listener) { return listener !== callback; });
+            }
+        };
+    }
+    Object.defineProperty(FirebaseAppImpl.prototype, "automaticDataCollectionEnabled", {
+        get: function () {
+            this.checkDestroyed_();
+            return this.automaticDataCollectionEnabled_;
+        },
+        set: function (val) {
+            this.checkDestroyed_();
+            this.automaticDataCollectionEnabled_ = val;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    Object.defineProperty(FirebaseAppImpl.prototype, "name", {
+        get: function () {
+            this.checkDestroyed_();
+            return this.name_;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    Object.defineProperty(FirebaseAppImpl.prototype, "options", {
+        get: function () {
+            this.checkDestroyed_();
+            return this.options_;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    FirebaseAppImpl.prototype.delete = function () {
+        var _this = this;
+        return new Promise(function (resolve) {
+            _this.checkDestroyed_();
+            resolve();
+        })
+            .then(function () {
+            _this.firebase_.INTERNAL.removeApp(_this.name_);
+            var services = [];
+            for (var _i = 0, _a = Object.keys(_this.services_); _i < _a.length; _i++) {
+                var serviceKey = _a[_i];
+                for (var _b = 0, _c = Object.keys(_this.services_[serviceKey]); _b < _c.length; _b++) {
+                    var instanceKey = _c[_b];
+                    services.push(_this.services_[serviceKey][instanceKey]);
+                }
+            }
+            return Promise.all(services
+                .filter(function (service) { return 'INTERNAL' in service; })
+                .map(function (service) { return service.INTERNAL.delete(); }));
+        })
+            .then(function () {
+            _this.isDeleted_ = true;
+            _this.services_ = {};
+        });
+    };
+    /**
+     * Return a service instance associated with this app (creating it
+     * on demand), identified by the passed instanceIdentifier.
+     *
+     * NOTE: Currently storage and functions are the only ones that are leveraging this
+     * functionality. They invoke it by calling:
+     *
+     * ```javascript
+     * firebase.app().storage('STORAGE BUCKET ID')
+     * ```
+     *
+     * The service name is passed to this already
+     * @internal
+     */
+    FirebaseAppImpl.prototype._getService = function (name, instanceIdentifier) {
+        if (instanceIdentifier === void 0) { instanceIdentifier = DEFAULT_ENTRY_NAME; }
+        this.checkDestroyed_();
+        if (!this.services_[name]) {
+            this.services_[name] = {};
+        }
+        if (!this.services_[name][instanceIdentifier]) {
+            /**
+             * If a custom instance has been defined (i.e. not '[DEFAULT]')
+             * then we will pass that instance on, otherwise we pass `null`
+             */
+            var instanceSpecifier = instanceIdentifier !== DEFAULT_ENTRY_NAME
+                ? instanceIdentifier
+                : undefined;
+            var service = this.firebase_.INTERNAL.factories[name](this, this.extendApp.bind(this), instanceSpecifier);
+            this.services_[name][instanceIdentifier] = service;
+        }
+        return this.services_[name][instanceIdentifier];
+    };
+    /**
+     * Remove a service instance from the cache, so we will create a new instance for this service
+     * when people try to get this service again.
+     *
+     * NOTE: currently only firestore is using this functionality to support firestore shutdown.
+     *
+     * @param name The service name
+     * @param instanceIdentifier instance identifier in case multiple instances are allowed
+     * @internal
+     */
+    FirebaseAppImpl.prototype._removeServiceInstance = function (name, instanceIdentifier) {
+        if (instanceIdentifier === void 0) { instanceIdentifier = DEFAULT_ENTRY_NAME; }
+        if (this.services_[name] && this.services_[name][instanceIdentifier]) {
+            delete this.services_[name][instanceIdentifier];
+        }
+    };
+    /**
+     * Callback function used to extend an App instance at the time
+     * of service instance creation.
+     */
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    FirebaseAppImpl.prototype.extendApp = function (props) {
+        var _this = this;
+        // Copy the object onto the FirebaseAppImpl prototype
+        deepExtend(this, props);
+        /**
+         * If the app has overwritten the addAuthTokenListener stub, forward
+         * the active token listeners on to the true fxn.
+         *
+         * TODO: This function is required due to our current module
+         * structure. Once we are able to rely strictly upon a single module
+         * implementation, this code should be refactored and Auth should
+         * provide these stubs and the upgrade logic
+         */
+        if (props.INTERNAL && props.INTERNAL.addAuthTokenListener) {
+            tokenListeners.forEach(function (listener) {
+                _this.INTERNAL.addAuthTokenListener(listener);
+            });
+            tokenListeners = [];
+        }
+    };
+    /**
+     * This function will throw an Error if the App has already been deleted -
+     * use before performing API actions on the App.
+     */
+    FirebaseAppImpl.prototype.checkDestroyed_ = function () {
+        if (this.isDeleted_) {
+            throw ERROR_FACTORY.create("app-deleted" /* APP_DELETED */, { appName: this.name_ });
+        }
+    };
+    return FirebaseAppImpl;
+}());
+// Prevent dead-code elimination of these methods w/o invalid property
+// copying.
+(FirebaseAppImpl.prototype.name && FirebaseAppImpl.prototype.options) ||
+    FirebaseAppImpl.prototype.delete ||
+    console.log('dc');
+
+var version = "6.6.0";
+
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+var logger = new Logger('@firebase/app');
+
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/**
+ * Because auth can't share code with other components, we attach the utility functions
+ * in an internal namespace to share code.
+ * This function return a firebase namespace object without
+ * any utility functions, so it can be shared between the regular firebaseNamespace and
+ * the lite version.
+ */
+function createFirebaseNamespaceCore(firebaseAppImpl) {
+    var apps = {};
+    var factories = {};
+    var appHooks = {};
+    // A namespace is a plain JavaScript Object.
+    var namespace = {
+        // Hack to prevent Babel from modifying the object returned
+        // as the firebase namespace.
+        // @ts-ignore
+        __esModule: true,
+        initializeApp: initializeApp,
+        // @ts-ignore
+        app: app,
+        // @ts-ignore
+        apps: null,
+        SDK_VERSION: version,
+        INTERNAL: {
+            registerService: registerService,
+            removeApp: removeApp,
+            factories: factories,
+            useAsService: useAsService
+        }
+    };
+    // Inject a circular default export to allow Babel users who were previously
+    // using:
+    //
+    //   import firebase from 'firebase';
+    //   which becomes: var firebase = require('firebase').default;
+    //
+    // instead of
+    //
+    //   import * as firebase from 'firebase';
+    //   which becomes: var firebase = require('firebase');
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    namespace['default'] = namespace;
+    // firebase.apps is a read-only getter.
+    Object.defineProperty(namespace, 'apps', {
+        get: getApps
+    });
+    /**
+     * Called by App.delete() - but before any services associated with the App
+     * are deleted.
+     */
+    function removeApp(name) {
+        var app = apps[name];
+        callAppHooks(app, 'delete');
+        delete apps[name];
+    }
+    /**
+     * Get the App object for a given name (or DEFAULT).
+     */
+    function app(name) {
+        name = name || DEFAULT_ENTRY_NAME;
+        if (!contains(apps, name)) {
+            throw ERROR_FACTORY.create("no-app" /* NO_APP */, { appName: name });
+        }
+        return apps[name];
+    }
+    // @ts-ignore
+    app['App'] = firebaseAppImpl;
+    function initializeApp(options, rawConfig) {
+        if (rawConfig === void 0) { rawConfig = {}; }
+        if (typeof rawConfig !== 'object' || rawConfig === null) {
+            var name_1 = rawConfig;
+            rawConfig = { name: name_1 };
+        }
+        var config = rawConfig;
+        if (config.name === undefined) {
+            config.name = DEFAULT_ENTRY_NAME;
+        }
+        var name = config.name;
+        if (typeof name !== 'string' || !name) {
+            throw ERROR_FACTORY.create("bad-app-name" /* BAD_APP_NAME */, {
+                appName: String(name)
+            });
+        }
+        if (contains(apps, name)) {
+            throw ERROR_FACTORY.create("duplicate-app" /* DUPLICATE_APP */, { appName: name });
+        }
+        var app = new firebaseAppImpl(options, config, namespace);
+        apps[name] = app;
+        callAppHooks(app, 'create');
+        return app;
+    }
+    /*
+     * Return an array of all the non-deleted FirebaseApps.
+     */
+    function getApps() {
+        // Make a copy so caller cannot mutate the apps list.
+        return Object.keys(apps).map(function (name) { return apps[name]; });
+    }
+    /*
+     * Register a Firebase Service.
+     *
+     * firebase.INTERNAL.registerService()
+     *
+     * TODO: Implement serviceProperties.
+     */
+    function registerService(name, createService, serviceProperties, appHook, allowMultipleInstances) {
+        if (allowMultipleInstances === void 0) { allowMultipleInstances = false; }
+        // If re-registering a service that already exists, return existing service
+        if (factories[name]) {
+            logger.debug("There were multiple attempts to register service " + name + ".");
+            // eslint-disable-next-line @typescript-eslint/no-explicit-any
+            return namespace[name];
+        }
+        // Capture the service factory for later service instantiation
+        factories[name] = createService;
+        // Capture the appHook, if passed
+        if (appHook) {
+            appHooks[name] = appHook;
+            // Run the **new** app hook on all existing apps
+            getApps().forEach(function (app) {
+                appHook('create', app);
+            });
+        }
+        // The Service namespace is an accessor function ...
+        function serviceNamespace(appArg) {
+            if (appArg === void 0) { appArg = app(); }
+            // @ts-ignore
+            if (typeof appArg[name] !== 'function') {
+                // Invalid argument.
+                // This happens in the following case: firebase.storage('gs:/')
+                throw ERROR_FACTORY.create("invalid-app-argument" /* INVALID_APP_ARGUMENT */, {
+                    appName: name
+                });
+            }
+            // Forward service instance lookup to the FirebaseApp.
+            // @ts-ignore
+            return appArg[name]();
+        }
+        // ... and a container for service-level properties.
+        if (serviceProperties !== undefined) {
+            deepExtend(serviceNamespace, serviceProperties);
+        }
+        // Monkey-patch the serviceNamespace onto the firebase namespace
+        // @ts-ignore
+        namespace[name] = serviceNamespace;
+        // Patch the FirebaseAppImpl prototype
+        // @ts-ignore
+        firebaseAppImpl.prototype[name] =
+            // TODO: The eslint disable can be removed and the 'ignoreRestArgs'
+            // option added to the no-explicit-any rule when ESlint releases it.
+            // eslint-disable-next-line @typescript-eslint/no-explicit-any
+            function () {
+                var args = [];
+                for (var _i = 0; _i < arguments.length; _i++) {
+                    args[_i] = arguments[_i];
+                }
+                var serviceFxn = this._getService.bind(this, name);
+                return serviceFxn.apply(this, allowMultipleInstances ? args : []);
+            };
+        return serviceNamespace;
+    }
+    function callAppHooks(app, eventName) {
+        for (var _i = 0, _a = Object.keys(factories); _i < _a.length; _i++) {
+            var serviceName = _a[_i];
+            // Ignore virtual services
+            var factoryName = useAsService(app, serviceName);
+            if (factoryName === null) {
+                return;
+            }
+            if (appHooks[factoryName]) {
+                appHooks[factoryName](eventName, app);
+            }
+        }
+    }
+    // Map the requested service to a registered service name
+    // (used to map auth to serverAuth service when needed).
+    function useAsService(app, name) {
+        if (name === 'serverAuth') {
+            return null;
+        }
+        var useService = name;
+        return useService;
+    }
+    return namespace;
+}
+
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/**
+ * Return a firebase namespace object.
+ *
+ * In production, this will be called exactly once and the result
+ * assigned to the 'firebase' global.  It may be called multiple times
+ * in unit tests.
+ */
+function createFirebaseNamespace() {
+    var namespace = createFirebaseNamespaceCore(FirebaseAppImpl);
+    namespace.INTERNAL = __assign({}, namespace.INTERNAL, { createFirebaseNamespace: createFirebaseNamespace,
+        extendNamespace: extendNamespace,
+        createSubscribe: createSubscribe,
+        ErrorFactory: ErrorFactory,
+        deepExtend: deepExtend });
+    /**
+     * Patch the top-level firebase namespace with additional properties.
+     *
+     * firebase.INTERNAL.extendNamespace()
+     */
+    function extendNamespace(props) {
+        deepExtend(namespace, props);
+    }
+    return namespace;
+}
+
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Firebase Lite detection
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+if (isBrowser() && self.firebase !== undefined) {
+    logger.warn("\n    Warning: Firebase is already defined in the global scope. Please make sure\n    Firebase library is only loaded once.\n  ");
+    // eslint-disable-next-line
+    var sdkVersion = self.firebase.SDK_VERSION;
+    if (sdkVersion && sdkVersion.indexOf('LITE') >= 0) {
+        logger.warn("\n    Warning: You are trying to load Firebase while using Firebase Performance standalone script.\n    You should load Firebase Performance with this instance of Firebase to avoid loading duplicate code.\n    ");
+    }
+}
+var firebaseNamespace = createFirebaseNamespace();
+var initializeApp = firebaseNamespace.initializeApp;
+// TODO: This disable can be removed and the 'ignoreRestArgs' option added to
+// the no-explicit-any rule when ESlint releases it.
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+firebaseNamespace.initializeApp = function () {
+    var args = [];
+    for (var _i = 0; _i < arguments.length; _i++) {
+        args[_i] = arguments[_i];
+    }
+    // Environment check before initializing app
+    // Do the check in initializeApp, so people have a chance to disable it by setting logLevel
+    // in @firebase/logger
+    if (isNode()) {
+        logger.warn("\n      Warning: This is a browser-targeted Firebase bundle but it appears it is being\n      run in a Node environment.  If running in a Node environment, make sure you\n      are using the bundle specified by the \"main\" field in package.json.\n      \n      If you are using Webpack, you can specify \"main\" as the first item in\n      \"resolve.mainFields\":\n      https://webpack.js.org/configuration/resolve/#resolvemainfields\n      \n      If using Rollup, use the rollup-plugin-node-resolve plugin and specify \"main\"\n      as the first item in \"mainFields\", e.g. ['main', 'module'].\n      https://github.com/rollup/rollup-plugin-node-resolve\n      ");
+    }
+    return initializeApp.apply(undefined, args);
+};
+var firebase = firebaseNamespace;
+
+export default firebase;
+export { firebase };
+//# sourceMappingURL=index.esm.js.map

node_modules/@firebase/app/dist/index.esm2017.js

@@ -0,0 +1,536 @@
+import { ErrorFactory, deepCopy, deepExtend, contains, createSubscribe, isBrowser, isNode } from '@firebase/util';
+import { Logger } from '@firebase/logger';
+
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+const ERRORS = {
+    ["no-app" /* NO_APP */]: "No Firebase App '{$appName}' has been created - " +
+        'call Firebase App.initializeApp()',
+    ["bad-app-name" /* BAD_APP_NAME */]: "Illegal App name: '{$appName}",
+    ["duplicate-app" /* DUPLICATE_APP */]: "Firebase App named '{$appName}' already exists",
+    ["app-deleted" /* APP_DELETED */]: "Firebase App named '{$appName}' already deleted",
+    ["invalid-app-argument" /* INVALID_APP_ARGUMENT */]: 'firebase.{$appName}() takes either no argument or a ' +
+        'Firebase App instance.'
+};
+const ERROR_FACTORY = new ErrorFactory('app', 'Firebase', ERRORS);
+
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+const DEFAULT_ENTRY_NAME = '[DEFAULT]';
+
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// An array to capture listeners before the true auth functions
+// exist
+let tokenListeners = [];
+/**
+ * Global context object for a collection of services using
+ * a shared authentication state.
+ */
+class FirebaseAppImpl {
+    constructor(options, config, firebase_) {
+        this.firebase_ = firebase_;
+        this.isDeleted_ = false;
+        this.services_ = {};
+        this.name_ = config.name;
+        this.automaticDataCollectionEnabled_ =
+            config.automaticDataCollectionEnabled || false;
+        this.options_ = deepCopy(options);
+        this.INTERNAL = {
+            getUid: () => null,
+            getToken: () => Promise.resolve(null),
+            addAuthTokenListener: (callback) => {
+                tokenListeners.push(callback);
+                // Make sure callback is called, asynchronously, in the absence of the auth module
+                setTimeout(() => callback(null), 0);
+            },
+            removeAuthTokenListener: callback => {
+                tokenListeners = tokenListeners.filter(listener => listener !== callback);
+            }
+        };
+    }
+    get automaticDataCollectionEnabled() {
+        this.checkDestroyed_();
+        return this.automaticDataCollectionEnabled_;
+    }
+    set automaticDataCollectionEnabled(val) {
+        this.checkDestroyed_();
+        this.automaticDataCollectionEnabled_ = val;
+    }
+    get name() {
+        this.checkDestroyed_();
+        return this.name_;
+    }
+    get options() {
+        this.checkDestroyed_();
+        return this.options_;
+    }
+    delete() {
+        return new Promise(resolve => {
+            this.checkDestroyed_();
+            resolve();
+        })
+            .then(() => {
+            this.firebase_.INTERNAL.removeApp(this.name_);
+            const services = [];
+            for (const serviceKey of Object.keys(this.services_)) {
+                for (const instanceKey of Object.keys(this.services_[serviceKey])) {
+                    services.push(this.services_[serviceKey][instanceKey]);
+                }
+            }
+            return Promise.all(services
+                .filter(service => 'INTERNAL' in service)
+                .map(service => service.INTERNAL.delete()));
+        })
+            .then(() => {
+            this.isDeleted_ = true;
+            this.services_ = {};
+        });
+    }
+    /**
+     * Return a service instance associated with this app (creating it
+     * on demand), identified by the passed instanceIdentifier.
+     *
+     * NOTE: Currently storage and functions are the only ones that are leveraging this
+     * functionality. They invoke it by calling:
+     *
+     * ```javascript
+     * firebase.app().storage('STORAGE BUCKET ID')
+     * ```
+     *
+     * The service name is passed to this already
+     * @internal
+     */
+    _getService(name, instanceIdentifier = DEFAULT_ENTRY_NAME) {
+        this.checkDestroyed_();
+        if (!this.services_[name]) {
+            this.services_[name] = {};
+        }
+        if (!this.services_[name][instanceIdentifier]) {
+            /**
+             * If a custom instance has been defined (i.e. not '[DEFAULT]')
+             * then we will pass that instance on, otherwise we pass `null`
+             */
+            const instanceSpecifier = instanceIdentifier !== DEFAULT_ENTRY_NAME
+                ? instanceIdentifier
+                : undefined;
+            const service = this.firebase_.INTERNAL.factories[name](this, this.extendApp.bind(this), instanceSpecifier);
+            this.services_[name][instanceIdentifier] = service;
+        }
+        return this.services_[name][instanceIdentifier];
+    }
+    /**
+     * Remove a service instance from the cache, so we will create a new instance for this service
+     * when people try to get this service again.
+     *
+     * NOTE: currently only firestore is using this functionality to support firestore shutdown.
+     *
+     * @param name The service name
+     * @param instanceIdentifier instance identifier in case multiple instances are allowed
+     * @internal
+     */
+    _removeServiceInstance(name, instanceIdentifier = DEFAULT_ENTRY_NAME) {
+        if (this.services_[name] && this.services_[name][instanceIdentifier]) {
+            delete this.services_[name][instanceIdentifier];
+        }
+    }
+    /**
+     * Callback function used to extend an App instance at the time
+     * of service instance creation.
+     */
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    extendApp(props) {
+        // Copy the object onto the FirebaseAppImpl prototype
+        deepExtend(this, props);
+        /**
+         * If the app has overwritten the addAuthTokenListener stub, forward
+         * the active token listeners on to the true fxn.
+         *
+         * TODO: This function is required due to our current module
+         * structure. Once we are able to rely strictly upon a single module
+         * implementation, this code should be refactored and Auth should
+         * provide these stubs and the upgrade logic
+         */
+        if (props.INTERNAL && props.INTERNAL.addAuthTokenListener) {
+            tokenListeners.forEach(listener => {
+                this.INTERNAL.addAuthTokenListener(listener);
+            });
+            tokenListeners = [];
+        }
+    }
+    /**
+     * This function will throw an Error if the App has already been deleted -
+     * use before performing API actions on the App.
+     */
+    checkDestroyed_() {
+        if (this.isDeleted_) {
+            throw ERROR_FACTORY.create("app-deleted" /* APP_DELETED */, { appName: this.name_ });
+        }
+    }
+}
+// Prevent dead-code elimination of these methods w/o invalid property
+// copying.
+(FirebaseAppImpl.prototype.name && FirebaseAppImpl.prototype.options) ||
+    FirebaseAppImpl.prototype.delete ||
+    console.log('dc');
+
+const version = "6.6.0";
+
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+const logger = new Logger('@firebase/app');
+
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/**
+ * Because auth can't share code with other components, we attach the utility functions
+ * in an internal namespace to share code.
+ * This function return a firebase namespace object without
+ * any utility functions, so it can be shared between the regular firebaseNamespace and
+ * the lite version.
+ */
+function createFirebaseNamespaceCore(firebaseAppImpl) {
+    const apps = {};
+    const factories = {};
+    const appHooks = {};
+    // A namespace is a plain JavaScript Object.
+    const namespace = {
+        // Hack to prevent Babel from modifying the object returned
+        // as the firebase namespace.
+        // @ts-ignore
+        __esModule: true,
+        initializeApp,
+        // @ts-ignore
+        app,
+        // @ts-ignore
+        apps: null,
+        SDK_VERSION: version,
+        INTERNAL: {
+            registerService,
+            removeApp,
+            factories,
+            useAsService
+        }
+    };
+    // Inject a circular default export to allow Babel users who were previously
+    // using:
+    //
+    //   import firebase from 'firebase';
+    //   which becomes: var firebase = require('firebase').default;
+    //
+    // instead of
+    //
+    //   import * as firebase from 'firebase';
+    //   which becomes: var firebase = require('firebase');
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    namespace['default'] = namespace;
+    // firebase.apps is a read-only getter.
+    Object.defineProperty(namespace, 'apps', {
+        get: getApps
+    });
+    /**
+     * Called by App.delete() - but before any services associated with the App
+     * are deleted.
+     */
+    function removeApp(name) {
+        const app = apps[name];
+        callAppHooks(app, 'delete');
+        delete apps[name];
+    }
+    /**
+     * Get the App object for a given name (or DEFAULT).
+     */
+    function app(name) {
+        name = name || DEFAULT_ENTRY_NAME;
+        if (!contains(apps, name)) {
+            throw ERROR_FACTORY.create("no-app" /* NO_APP */, { appName: name });
+        }
+        return apps[name];
+    }
+    // @ts-ignore
+    app['App'] = firebaseAppImpl;
+    function initializeApp(options, rawConfig = {}) {
+        if (typeof rawConfig !== 'object' || rawConfig === null) {
+            const name = rawConfig;
+            rawConfig = { name };
+        }
+        const config = rawConfig;
+        if (config.name === undefined) {
+            config.name = DEFAULT_ENTRY_NAME;
+        }
+        const { name } = config;
+        if (typeof name !== 'string' || !name) {
+            throw ERROR_FACTORY.create("bad-app-name" /* BAD_APP_NAME */, {
+                appName: String(name)
+            });
+        }
+        if (contains(apps, name)) {
+            throw ERROR_FACTORY.create("duplicate-app" /* DUPLICATE_APP */, { appName: name });
+        }
+        const app = new firebaseAppImpl(options, config, namespace);
+        apps[name] = app;
+        callAppHooks(app, 'create');
+        return app;
+    }
+    /*
+     * Return an array of all the non-deleted FirebaseApps.
+     */
+    function getApps() {
+        // Make a copy so caller cannot mutate the apps list.
+        return Object.keys(apps).map(name => apps[name]);
+    }
+    /*
+     * Register a Firebase Service.
+     *
+     * firebase.INTERNAL.registerService()
+     *
+     * TODO: Implement serviceProperties.
+     */
+    function registerService(name, createService, serviceProperties, appHook, allowMultipleInstances = false) {
+        // If re-registering a service that already exists, return existing service
+        if (factories[name]) {
+            logger.debug(`There were multiple attempts to register service ${name}.`);
+            // eslint-disable-next-line @typescript-eslint/no-explicit-any
+            return namespace[name];
+        }
+        // Capture the service factory for later service instantiation
+        factories[name] = createService;
+        // Capture the appHook, if passed
+        if (appHook) {
+            appHooks[name] = appHook;
+            // Run the **new** app hook on all existing apps
+            getApps().forEach(app => {
+                appHook('create', app);
+            });
+        }
+        // The Service namespace is an accessor function ...
+        function serviceNamespace(appArg = app()) {
+            // @ts-ignore
+            if (typeof appArg[name] !== 'function') {
+                // Invalid argument.
+                // This happens in the following case: firebase.storage('gs:/')
+                throw ERROR_FACTORY.create("invalid-app-argument" /* INVALID_APP_ARGUMENT */, {
+                    appName: name
+                });
+            }
+            // Forward service instance lookup to the FirebaseApp.
+            // @ts-ignore
+            return appArg[name]();
+        }
+        // ... and a container for service-level properties.
+        if (serviceProperties !== undefined) {
+            deepExtend(serviceNamespace, serviceProperties);
+        }
+        // Monkey-patch the serviceNamespace onto the firebase namespace
+        // @ts-ignore
+        namespace[name] = serviceNamespace;
+        // Patch the FirebaseAppImpl prototype
+        // @ts-ignore
+        firebaseAppImpl.prototype[name] =
+            // TODO: The eslint disable can be removed and the 'ignoreRestArgs'
+            // option added to the no-explicit-any rule when ESlint releases it.
+            // eslint-disable-next-line @typescript-eslint/no-explicit-any
+            function (...args) {
+                const serviceFxn = this._getService.bind(this, name);
+                return serviceFxn.apply(this, allowMultipleInstances ? args : []);
+            };
+        return serviceNamespace;
+    }
+    function callAppHooks(app, eventName) {
+        for (const serviceName of Object.keys(factories)) {
+            // Ignore virtual services
+            const factoryName = useAsService(app, serviceName);
+            if (factoryName === null) {
+                return;
+            }
+            if (appHooks[factoryName]) {
+                appHooks[factoryName](eventName, app);
+            }
+        }
+    }
+    // Map the requested service to a registered service name
+    // (used to map auth to serverAuth service when needed).
+    function useAsService(app, name) {
+        if (name === 'serverAuth') {
+            return null;
+        }
+        const useService = name;
+        return useService;
+    }
+    return namespace;
+}
+
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/**
+ * Return a firebase namespace object.
+ *
+ * In production, this will be called exactly once and the result
+ * assigned to the 'firebase' global.  It may be called multiple times
+ * in unit tests.
+ */
+function createFirebaseNamespace() {
+    const namespace = createFirebaseNamespaceCore(FirebaseAppImpl);
+    namespace.INTERNAL = Object.assign({}, namespace.INTERNAL, { createFirebaseNamespace,
+        extendNamespace,
+        createSubscribe,
+        ErrorFactory,
+        deepExtend });
+    /**
+     * Patch the top-level firebase namespace with additional properties.
+     *
+     * firebase.INTERNAL.extendNamespace()
+     */
+    function extendNamespace(props) {
+        deepExtend(namespace, props);
+    }
+    return namespace;
+}
+
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Firebase Lite detection
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+if (isBrowser() && self.firebase !== undefined) {
+    logger.warn(`
+    Warning: Firebase is already defined in the global scope. Please make sure
+    Firebase library is only loaded once.
+  `);
+    // eslint-disable-next-line
+    const sdkVersion = self.firebase.SDK_VERSION;
+    if (sdkVersion && sdkVersion.indexOf('LITE') >= 0) {
+        logger.warn(`
+    Warning: You are trying to load Firebase while using Firebase Performance standalone script.
+    You should load Firebase Performance with this instance of Firebase to avoid loading duplicate code.
+    `);
+    }
+}
+const firebaseNamespace = createFirebaseNamespace();
+const initializeApp = firebaseNamespace.initializeApp;
+// TODO: This disable can be removed and the 'ignoreRestArgs' option added to
+// the no-explicit-any rule when ESlint releases it.
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+firebaseNamespace.initializeApp = function (...args) {
+    // Environment check before initializing app
+    // Do the check in initializeApp, so people have a chance to disable it by setting logLevel
+    // in @firebase/logger
+    if (isNode()) {
+        logger.warn(`
+      Warning: This is a browser-targeted Firebase bundle but it appears it is being
+      run in a Node environment.  If running in a Node environment, make sure you
+      are using the bundle specified by the "main" field in package.json.
+      
+      If you are using Webpack, you can specify "main" as the first item in
+      "resolve.mainFields":
+      https://webpack.js.org/configuration/resolve/#resolvemainfields
+      
+      If using Rollup, use the rollup-plugin-node-resolve plugin and specify "main"
+      as the first item in "mainFields", e.g. ['main', 'module'].
+      https://github.com/rollup/rollup-plugin-node-resolve
+      `);
+    }
+    return initializeApp.apply(undefined, args);
+};
+const firebase = firebaseNamespace;
+
+export default firebase;
+export { firebase };
+//# sourceMappingURL=index.esm2017.js.map

node_modules/@firebase/app/dist/index.lite.esm2017.js

@@ -0,0 +1,440 @@
+import { ErrorFactory, deepCopy, deepExtend, contains } from '@firebase/util';
+import { Logger } from '@firebase/logger';
+
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+const ERRORS = {
+    ["no-app" /* NO_APP */]: "No Firebase App '{$appName}' has been created - " +
+        'call Firebase App.initializeApp()',
+    ["bad-app-name" /* BAD_APP_NAME */]: "Illegal App name: '{$appName}",
+    ["duplicate-app" /* DUPLICATE_APP */]: "Firebase App named '{$appName}' already exists",
+    ["app-deleted" /* APP_DELETED */]: "Firebase App named '{$appName}' already deleted",
+    ["invalid-app-argument" /* INVALID_APP_ARGUMENT */]: 'firebase.{$appName}() takes either no argument or a ' +
+        'Firebase App instance.'
+};
+const ERROR_FACTORY = new ErrorFactory('app', 'Firebase', ERRORS);
+
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+const DEFAULT_ENTRY_NAME = '[DEFAULT]';
+
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/**
+ * Global context object for a collection of services using
+ * a shared authentication state.
+ */
+class FirebaseAppLiteImpl {
+    constructor(options, config, firebase_) {
+        this.firebase_ = firebase_;
+        this.isDeleted_ = false;
+        this.services_ = {};
+        // lite version has an empty INTERNAL namespace
+        this.INTERNAL = {};
+        this.name_ = config.name;
+        this.automaticDataCollectionEnabled_ =
+            config.automaticDataCollectionEnabled || false;
+        this.options_ = deepCopy(options);
+    }
+    get automaticDataCollectionEnabled() {
+        this.checkDestroyed_();
+        return this.automaticDataCollectionEnabled_;
+    }
+    set automaticDataCollectionEnabled(val) {
+        this.checkDestroyed_();
+        this.automaticDataCollectionEnabled_ = val;
+    }
+    get name() {
+        this.checkDestroyed_();
+        return this.name_;
+    }
+    get options() {
+        this.checkDestroyed_();
+        return this.options_;
+    }
+    delete() {
+        return new Promise(resolve => {
+            this.checkDestroyed_();
+            resolve();
+        })
+            .then(() => {
+            this.firebase_.INTERNAL.removeApp(this.name_);
+            const services = [];
+            for (const serviceKey of Object.keys(this.services_)) {
+                for (const instanceKey of Object.keys(this.services_[serviceKey])) {
+                    services.push(this.services_[serviceKey][instanceKey]);
+                }
+            }
+            return Promise.all(services
+                .filter(service => 'INTERNAL' in service)
+                .map(service => service.INTERNAL.delete()));
+        })
+            .then(() => {
+            this.isDeleted_ = true;
+            this.services_ = {};
+        });
+    }
+    /**
+     * Return a service instance associated with this app (creating it
+     * on demand), identified by the passed instanceIdentifier.
+     *
+     * NOTE: Currently storage is the only one that is leveraging this
+     * functionality. They invoke it by calling:
+     *
+     * ```javascript
+     * firebase.app().storage('STORAGE BUCKET ID')
+     * ```
+     *
+     * The service name is passed to this already
+     * @internal
+     */
+    _getService(name, instanceIdentifier = DEFAULT_ENTRY_NAME) {
+        this.checkDestroyed_();
+        if (!this.services_[name]) {
+            this.services_[name] = {};
+        }
+        if (!this.services_[name][instanceIdentifier]) {
+            /**
+             * If a custom instance has been defined (i.e. not '[DEFAULT]')
+             * then we will pass that instance on, otherwise we pass `null`
+             */
+            const instanceSpecifier = instanceIdentifier !== DEFAULT_ENTRY_NAME
+                ? instanceIdentifier
+                : undefined;
+            const service = this.firebase_.INTERNAL.factories[name](this, this.extendApp.bind(this), instanceSpecifier);
+            this.services_[name][instanceIdentifier] = service;
+        }
+        return this.services_[name][instanceIdentifier];
+    }
+    /**
+     * Callback function used to extend an App instance at the time
+     * of service instance creation.
+     */
+    extendApp(props) {
+        // Copy the object onto the FirebaseAppImpl prototype
+        deepExtend(this, props);
+    }
+    /**
+     * This function will throw an Error if the App has already been deleted -
+     * use before performing API actions on the App.
+     */
+    checkDestroyed_() {
+        if (this.isDeleted_) {
+            throw ERROR_FACTORY.create("app-deleted" /* APP_DELETED */, { appName: this.name_ });
+        }
+    }
+}
+
+const version = "6.6.0";
+
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+const logger = new Logger('@firebase/app');
+
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/**
+ * Because auth can't share code with other components, we attach the utility functions
+ * in an internal namespace to share code.
+ * This function return a firebase namespace object without
+ * any utility functions, so it can be shared between the regular firebaseNamespace and
+ * the lite version.
+ */
+function createFirebaseNamespaceCore(firebaseAppImpl) {
+    const apps = {};
+    const factories = {};
+    const appHooks = {};
+    // A namespace is a plain JavaScript Object.
+    const namespace = {
+        // Hack to prevent Babel from modifying the object returned
+        // as the firebase namespace.
+        // @ts-ignore
+        __esModule: true,
+        initializeApp,
+        // @ts-ignore
+        app,
+        // @ts-ignore
+        apps: null,
+        SDK_VERSION: version,
+        INTERNAL: {
+            registerService,
+            removeApp,
+            factories,
+            useAsService
+        }
+    };
+    // Inject a circular default export to allow Babel users who were previously
+    // using:
+    //
+    //   import firebase from 'firebase';
+    //   which becomes: var firebase = require('firebase').default;
+    //
+    // instead of
+    //
+    //   import * as firebase from 'firebase';
+    //   which becomes: var firebase = require('firebase');
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    namespace['default'] = namespace;
+    // firebase.apps is a read-only getter.
+    Object.defineProperty(namespace, 'apps', {
+        get: getApps
+    });
+    /**
+     * Called by App.delete() - but before any services associated with the App
+     * are deleted.
+     */
+    function removeApp(name) {
+        const app = apps[name];
+        callAppHooks(app, 'delete');
+        delete apps[name];
+    }
+    /**
+     * Get the App object for a given name (or DEFAULT).
+     */
+    function app(name) {
+        name = name || DEFAULT_ENTRY_NAME;
+        if (!contains(apps, name)) {
+            throw ERROR_FACTORY.create("no-app" /* NO_APP */, { appName: name });
+        }
+        return apps[name];
+    }
+    // @ts-ignore
+    app['App'] = firebaseAppImpl;
+    function initializeApp(options, rawConfig = {}) {
+        if (typeof rawConfig !== 'object' || rawConfig === null) {
+            const name = rawConfig;
+            rawConfig = { name };
+        }
+        const config = rawConfig;
+        if (config.name === undefined) {
+            config.name = DEFAULT_ENTRY_NAME;
+        }
+        const { name } = config;
+        if (typeof name !== 'string' || !name) {
+            throw ERROR_FACTORY.create("bad-app-name" /* BAD_APP_NAME */, {
+                appName: String(name)
+            });
+        }
+        if (contains(apps, name)) {
+            throw ERROR_FACTORY.create("duplicate-app" /* DUPLICATE_APP */, { appName: name });
+        }
+        const app = new firebaseAppImpl(options, config, namespace);
+        apps[name] = app;
+        callAppHooks(app, 'create');
+        return app;
+    }
+    /*
+     * Return an array of all the non-deleted FirebaseApps.
+     */
+    function getApps() {
+        // Make a copy so caller cannot mutate the apps list.
+        return Object.keys(apps).map(name => apps[name]);
+    }
+    /*
+     * Register a Firebase Service.
+     *
+     * firebase.INTERNAL.registerService()
+     *
+     * TODO: Implement serviceProperties.
+     */
+    function registerService(name, createService, serviceProperties, appHook, allowMultipleInstances = false) {
+        // If re-registering a service that already exists, return existing service
+        if (factories[name]) {
+            logger.debug(`There were multiple attempts to register service ${name}.`);
+            // eslint-disable-next-line @typescript-eslint/no-explicit-any
+            return namespace[name];
+        }
+        // Capture the service factory for later service instantiation
+        factories[name] = createService;
+        // Capture the appHook, if passed
+        if (appHook) {
+            appHooks[name] = appHook;
+            // Run the **new** app hook on all existing apps
+            getApps().forEach(app => {
+                appHook('create', app);
+            });
+        }
+        // The Service namespace is an accessor function ...
+        function serviceNamespace(appArg = app()) {
+            // @ts-ignore
+            if (typeof appArg[name] !== 'function') {
+                // Invalid argument.
+                // This happens in the following case: firebase.storage('gs:/')
+                throw ERROR_FACTORY.create("invalid-app-argument" /* INVALID_APP_ARGUMENT */, {
+                    appName: name
+                });
+            }
+            // Forward service instance lookup to the FirebaseApp.
+            // @ts-ignore
+            return appArg[name]();
+        }
+        // ... and a container for service-level properties.
+        if (serviceProperties !== undefined) {
+            deepExtend(serviceNamespace, serviceProperties);
+        }
+        // Monkey-patch the serviceNamespace onto the firebase namespace
+        // @ts-ignore
+        namespace[name] = serviceNamespace;
+        // Patch the FirebaseAppImpl prototype
+        // @ts-ignore
+        firebaseAppImpl.prototype[name] =
+            // TODO: The eslint disable can be removed and the 'ignoreRestArgs'
+            // option added to the no-explicit-any rule when ESlint releases it.
+            // eslint-disable-next-line @typescript-eslint/no-explicit-any
+            function (...args) {
+                const serviceFxn = this._getService.bind(this, name);
+                return serviceFxn.apply(this, allowMultipleInstances ? args : []);
+            };
+        return serviceNamespace;
+    }
+    function callAppHooks(app, eventName) {
+        for (const serviceName of Object.keys(factories)) {
+            // Ignore virtual services
+            const factoryName = useAsService(app, serviceName);
+            if (factoryName === null) {
+                return;
+            }
+            if (appHooks[factoryName]) {
+                appHooks[factoryName](eventName, app);
+            }
+        }
+    }
+    // Map the requested service to a registered service name
+    // (used to map auth to serverAuth service when needed).
+    function useAsService(app, name) {
+        if (name === 'serverAuth') {
+            return null;
+        }
+        const useService = name;
+        return useService;
+    }
+    return namespace;
+}
+
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+function createFirebaseNamespaceLite() {
+    const namespace = createFirebaseNamespaceCore(FirebaseAppLiteImpl);
+    namespace.SDK_VERSION = `${namespace.SDK_VERSION}_LITE`;
+    const registerService = namespace.INTERNAL
+        .registerService;
+    namespace.INTERNAL.registerService = registerServiceForLite;
+    /**
+     * This is a special implementation, so it only works with performance.
+     * only allow performance SDK to register.
+     */
+    function registerServiceForLite(name, createService, serviceProperties, appHook, allowMultipleInstances) {
+        // only allow performance to register with firebase lite
+        if (name !== 'performance' && name !== 'installations') {
+            throw Error(`${name} cannot register with the standalone perf instance`);
+        }
+        return registerService(name, createService, serviceProperties, appHook, allowMultipleInstances);
+    }
+    return namespace;
+}
+
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+const firebase = createFirebaseNamespaceLite();
+
+export default firebase;
+export { firebase };
+//# sourceMappingURL=index.lite.esm2017.js.map

node_modules/@firebase/app/dist/index.lite.js

@@ -0,0 +1,466 @@
+import { ErrorFactory, deepExtend, deepCopy, contains } from '@firebase/util';
+import { Logger } from '@firebase/logger';
+
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+var _a;
+var ERRORS = (_a = {},
+    _a["no-app" /* NO_APP */] = "No Firebase App '{$appName}' has been created - " +
+        'call Firebase App.initializeApp()',
+    _a["bad-app-name" /* BAD_APP_NAME */] = "Illegal App name: '{$appName}",
+    _a["duplicate-app" /* DUPLICATE_APP */] = "Firebase App named '{$appName}' already exists",
+    _a["app-deleted" /* APP_DELETED */] = "Firebase App named '{$appName}' already deleted",
+    _a["invalid-app-argument" /* INVALID_APP_ARGUMENT */] = 'firebase.{$appName}() takes either no argument or a ' +
+        'Firebase App instance.',
+    _a);
+var ERROR_FACTORY = new ErrorFactory('app', 'Firebase', ERRORS);
+
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+var DEFAULT_ENTRY_NAME = '[DEFAULT]';
+
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/**
+ * Global context object for a collection of services using
+ * a shared authentication state.
+ */
+var FirebaseAppLiteImpl = /** @class */ (function () {
+    function FirebaseAppLiteImpl(options, config, firebase_) {
+        this.firebase_ = firebase_;
+        this.isDeleted_ = false;
+        this.services_ = {};
+        // lite version has an empty INTERNAL namespace
+        this.INTERNAL = {};
+        this.name_ = config.name;
+        this.automaticDataCollectionEnabled_ =
+            config.automaticDataCollectionEnabled || false;
+        this.options_ = deepCopy(options);
+    }
+    Object.defineProperty(FirebaseAppLiteImpl.prototype, "automaticDataCollectionEnabled", {
+        get: function () {
+            this.checkDestroyed_();
+            return this.automaticDataCollectionEnabled_;
+        },
+        set: function (val) {
+            this.checkDestroyed_();
+            this.automaticDataCollectionEnabled_ = val;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    Object.defineProperty(FirebaseAppLiteImpl.prototype, "name", {
+        get: function () {
+            this.checkDestroyed_();
+            return this.name_;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    Object.defineProperty(FirebaseAppLiteImpl.prototype, "options", {
+        get: function () {
+            this.checkDestroyed_();
+            return this.options_;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    FirebaseAppLiteImpl.prototype.delete = function () {
+        var _this = this;
+        return new Promise(function (resolve) {
+            _this.checkDestroyed_();
+            resolve();
+        })
+            .then(function () {
+            _this.firebase_.INTERNAL.removeApp(_this.name_);
+            var services = [];
+            for (var _i = 0, _a = Object.keys(_this.services_); _i < _a.length; _i++) {
+                var serviceKey = _a[_i];
+                for (var _b = 0, _c = Object.keys(_this.services_[serviceKey]); _b < _c.length; _b++) {
+                    var instanceKey = _c[_b];
+                    services.push(_this.services_[serviceKey][instanceKey]);
+                }
+            }
+            return Promise.all(services
+                .filter(function (service) { return 'INTERNAL' in service; })
+                .map(function (service) { return service.INTERNAL.delete(); }));
+        })
+            .then(function () {
+            _this.isDeleted_ = true;
+            _this.services_ = {};
+        });
+    };
+    /**
+     * Return a service instance associated with this app (creating it
+     * on demand), identified by the passed instanceIdentifier.
+     *
+     * NOTE: Currently storage is the only one that is leveraging this
+     * functionality. They invoke it by calling:
+     *
+     * ```javascript
+     * firebase.app().storage('STORAGE BUCKET ID')
+     * ```
+     *
+     * The service name is passed to this already
+     * @internal
+     */
+    FirebaseAppLiteImpl.prototype._getService = function (name, instanceIdentifier) {
+        if (instanceIdentifier === void 0) { instanceIdentifier = DEFAULT_ENTRY_NAME; }
+        this.checkDestroyed_();
+        if (!this.services_[name]) {
+            this.services_[name] = {};
+        }
+        if (!this.services_[name][instanceIdentifier]) {
+            /**
+             * If a custom instance has been defined (i.e. not '[DEFAULT]')
+             * then we will pass that instance on, otherwise we pass `null`
+             */
+            var instanceSpecifier = instanceIdentifier !== DEFAULT_ENTRY_NAME
+                ? instanceIdentifier
+                : undefined;
+            var service = this.firebase_.INTERNAL.factories[name](this, this.extendApp.bind(this), instanceSpecifier);
+            this.services_[name][instanceIdentifier] = service;
+        }
+        return this.services_[name][instanceIdentifier];
+    };
+    /**
+     * Callback function used to extend an App instance at the time
+     * of service instance creation.
+     */
+    FirebaseAppLiteImpl.prototype.extendApp = function (props) {
+        // Copy the object onto the FirebaseAppImpl prototype
+        deepExtend(this, props);
+    };
+    /**
+     * This function will throw an Error if the App has already been deleted -
+     * use before performing API actions on the App.
+     */
+    FirebaseAppLiteImpl.prototype.checkDestroyed_ = function () {
+        if (this.isDeleted_) {
+            throw ERROR_FACTORY.create("app-deleted" /* APP_DELETED */, { appName: this.name_ });
+        }
+    };
+    return FirebaseAppLiteImpl;
+}());
+
+var version = "6.6.0";
+
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+var logger = new Logger('@firebase/app');
+
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/**
+ * Because auth can't share code with other components, we attach the utility functions
+ * in an internal namespace to share code.
+ * This function return a firebase namespace object without
+ * any utility functions, so it can be shared between the regular firebaseNamespace and
+ * the lite version.
+ */
+function createFirebaseNamespaceCore(firebaseAppImpl) {
+    var apps = {};
+    var factories = {};
+    var appHooks = {};
+    // A namespace is a plain JavaScript Object.
+    var namespace = {
+        // Hack to prevent Babel from modifying the object returned
+        // as the firebase namespace.
+        // @ts-ignore
+        __esModule: true,
+        initializeApp: initializeApp,
+        // @ts-ignore
+        app: app,
+        // @ts-ignore
+        apps: null,
+        SDK_VERSION: version,
+        INTERNAL: {
+            registerService: registerService,
+            removeApp: removeApp,
+            factories: factories,
+            useAsService: useAsService
+        }
+    };
+    // Inject a circular default export to allow Babel users who were previously
+    // using:
+    //
+    //   import firebase from 'firebase';
+    //   which becomes: var firebase = require('firebase').default;
+    //
+    // instead of
+    //
+    //   import * as firebase from 'firebase';
+    //   which becomes: var firebase = require('firebase');
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    namespace['default'] = namespace;
+    // firebase.apps is a read-only getter.
+    Object.defineProperty(namespace, 'apps', {
+        get: getApps
+    });
+    /**
+     * Called by App.delete() - but before any services associated with the App
+     * are deleted.
+     */
+    function removeApp(name) {
+        var app = apps[name];
+        callAppHooks(app, 'delete');
+        delete apps[name];
+    }
+    /**
+     * Get the App object for a given name (or DEFAULT).
+     */
+    function app(name) {
+        name = name || DEFAULT_ENTRY_NAME;
+        if (!contains(apps, name)) {
+            throw ERROR_FACTORY.create("no-app" /* NO_APP */, { appName: name });
+        }
+        return apps[name];
+    }
+    // @ts-ignore
+    app['App'] = firebaseAppImpl;
+    function initializeApp(options, rawConfig) {
+        if (rawConfig === void 0) { rawConfig = {}; }
+        if (typeof rawConfig !== 'object' || rawConfig === null) {
+            var name_1 = rawConfig;
+            rawConfig = { name: name_1 };
+        }
+        var config = rawConfig;
+        if (config.name === undefined) {
+            config.name = DEFAULT_ENTRY_NAME;
+        }
+        var name = config.name;
+        if (typeof name !== 'string' || !name) {
+            throw ERROR_FACTORY.create("bad-app-name" /* BAD_APP_NAME */, {
+                appName: String(name)
+            });
+        }
+        if (contains(apps, name)) {
+            throw ERROR_FACTORY.create("duplicate-app" /* DUPLICATE_APP */, { appName: name });
+        }
+        var app = new firebaseAppImpl(options, config, namespace);
+        apps[name] = app;
+        callAppHooks(app, 'create');
+        return app;
+    }
+    /*
+     * Return an array of all the non-deleted FirebaseApps.
+     */
+    function getApps() {
+        // Make a copy so caller cannot mutate the apps list.
+        return Object.keys(apps).map(function (name) { return apps[name]; });
+    }
+    /*
+     * Register a Firebase Service.
+     *
+     * firebase.INTERNAL.registerService()
+     *
+     * TODO: Implement serviceProperties.
+     */
+    function registerService(name, createService, serviceProperties, appHook, allowMultipleInstances) {
+        if (allowMultipleInstances === void 0) { allowMultipleInstances = false; }
+        // If re-registering a service that already exists, return existing service
+        if (factories[name]) {
+            logger.debug("There were multiple attempts to register service " + name + ".");
+            // eslint-disable-next-line @typescript-eslint/no-explicit-any
+            return namespace[name];
+        }
+        // Capture the service factory for later service instantiation
+        factories[name] = createService;
+        // Capture the appHook, if passed
+        if (appHook) {
+            appHooks[name] = appHook;
+            // Run the **new** app hook on all existing apps
+            getApps().forEach(function (app) {
+                appHook('create', app);
+            });
+        }
+        // The Service namespace is an accessor function ...
+        function serviceNamespace(appArg) {
+            if (appArg === void 0) { appArg = app(); }
+            // @ts-ignore
+            if (typeof appArg[name] !== 'function') {
+                // Invalid argument.
+                // This happens in the following case: firebase.storage('gs:/')
+                throw ERROR_FACTORY.create("invalid-app-argument" /* INVALID_APP_ARGUMENT */, {
+                    appName: name
+                });
+            }
+            // Forward service instance lookup to the FirebaseApp.
+            // @ts-ignore
+            return appArg[name]();
+        }
+        // ... and a container for service-level properties.
+        if (serviceProperties !== undefined) {
+            deepExtend(serviceNamespace, serviceProperties);
+        }
+        // Monkey-patch the serviceNamespace onto the firebase namespace
+        // @ts-ignore
+        namespace[name] = serviceNamespace;
+        // Patch the FirebaseAppImpl prototype
+        // @ts-ignore
+        firebaseAppImpl.prototype[name] =
+            // TODO: The eslint disable can be removed and the 'ignoreRestArgs'
+            // option added to the no-explicit-any rule when ESlint releases it.
+            // eslint-disable-next-line @typescript-eslint/no-explicit-any
+            function () {
+                var args = [];
+                for (var _i = 0; _i < arguments.length; _i++) {
+                    args[_i] = arguments[_i];
+                }
+                var serviceFxn = this._getService.bind(this, name);
+                return serviceFxn.apply(this, allowMultipleInstances ? args : []);
+            };
+        return serviceNamespace;
+    }
+    function callAppHooks(app, eventName) {
+        for (var _i = 0, _a = Object.keys(factories); _i < _a.length; _i++) {
+            var serviceName = _a[_i];
+            // Ignore virtual services
+            var factoryName = useAsService(app, serviceName);
+            if (factoryName === null) {
+                return;
+            }
+            if (appHooks[factoryName]) {
+                appHooks[factoryName](eventName, app);
+            }
+        }
+    }
+    // Map the requested service to a registered service name
+    // (used to map auth to serverAuth service when needed).
+    function useAsService(app, name) {
+        if (name === 'serverAuth') {
+            return null;
+        }
+        var useService = name;
+        return useService;
+    }
+    return namespace;
+}
+
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+function createFirebaseNamespaceLite() {
+    var namespace = createFirebaseNamespaceCore(FirebaseAppLiteImpl);
+    namespace.SDK_VERSION = namespace.SDK_VERSION + "_LITE";
+    var registerService = namespace.INTERNAL
+        .registerService;
+    namespace.INTERNAL.registerService = registerServiceForLite;
+    /**
+     * This is a special implementation, so it only works with performance.
+     * only allow performance SDK to register.
+     */
+    function registerServiceForLite(name, createService, serviceProperties, appHook, allowMultipleInstances) {
+        // only allow performance to register with firebase lite
+        if (name !== 'performance' && name !== 'installations') {
+            throw Error(name + " cannot register with the standalone perf instance");
+        }
+        return registerService(name, createService, serviceProperties, appHook, allowMultipleInstances);
+    }
+    return namespace;
+}
+
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+var firebase = createFirebaseNamespaceLite();
+
+export default firebase;
+export { firebase };
+//# sourceMappingURL=index.lite.js.map

node_modules/@firebase/app/dist/index.node.cjs.js

@@ -0,0 +1,541 @@
+'use strict';
+
+Object.defineProperty(exports, '__esModule', { value: true });
+
+function _interopDefault (ex) { return (ex && (typeof ex === 'object') && 'default' in ex) ? ex['default'] : ex; }
+
+var tslib_1 = require('tslib');
+var util = require('@firebase/util');
+var logger$1 = require('@firebase/logger');
+var Storage = _interopDefault(require('dom-storage'));
+var xmlhttprequest = require('xmlhttprequest');
+
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+var _a;
+var ERRORS = (_a = {},
+    _a["no-app" /* NO_APP */] = "No Firebase App '{$appName}' has been created - " +
+        'call Firebase App.initializeApp()',
+    _a["bad-app-name" /* BAD_APP_NAME */] = "Illegal App name: '{$appName}",
+    _a["duplicate-app" /* DUPLICATE_APP */] = "Firebase App named '{$appName}' already exists",
+    _a["app-deleted" /* APP_DELETED */] = "Firebase App named '{$appName}' already deleted",
+    _a["invalid-app-argument" /* INVALID_APP_ARGUMENT */] = 'firebase.{$appName}() takes either no argument or a ' +
+        'Firebase App instance.',
+    _a);
+var ERROR_FACTORY = new util.ErrorFactory('app', 'Firebase', ERRORS);
+
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+var DEFAULT_ENTRY_NAME = '[DEFAULT]';
+
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// An array to capture listeners before the true auth functions
+// exist
+var tokenListeners = [];
+/**
+ * Global context object for a collection of services using
+ * a shared authentication state.
+ */
+var FirebaseAppImpl = /** @class */ (function () {
+    function FirebaseAppImpl(options, config, firebase_) {
+        this.firebase_ = firebase_;
+        this.isDeleted_ = false;
+        this.services_ = {};
+        this.name_ = config.name;
+        this.automaticDataCollectionEnabled_ =
+            config.automaticDataCollectionEnabled || false;
+        this.options_ = util.deepCopy(options);
+        this.INTERNAL = {
+            getUid: function () { return null; },
+            getToken: function () { return Promise.resolve(null); },
+            addAuthTokenListener: function (callback) {
+                tokenListeners.push(callback);
+                // Make sure callback is called, asynchronously, in the absence of the auth module
+                setTimeout(function () { return callback(null); }, 0);
+            },
+            removeAuthTokenListener: function (callback) {
+                tokenListeners = tokenListeners.filter(function (listener) { return listener !== callback; });
+            }
+        };
+    }
+    Object.defineProperty(FirebaseAppImpl.prototype, "automaticDataCollectionEnabled", {
+        get: function () {
+            this.checkDestroyed_();
+            return this.automaticDataCollectionEnabled_;
+        },
+        set: function (val) {
+            this.checkDestroyed_();
+            this.automaticDataCollectionEnabled_ = val;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    Object.defineProperty(FirebaseAppImpl.prototype, "name", {
+        get: function () {
+            this.checkDestroyed_();
+            return this.name_;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    Object.defineProperty(FirebaseAppImpl.prototype, "options", {
+        get: function () {
+            this.checkDestroyed_();
+            return this.options_;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    FirebaseAppImpl.prototype.delete = function () {
+        var _this = this;
+        return new Promise(function (resolve) {
+            _this.checkDestroyed_();
+            resolve();
+        })
+            .then(function () {
+            _this.firebase_.INTERNAL.removeApp(_this.name_);
+            var services = [];
+            for (var _i = 0, _a = Object.keys(_this.services_); _i < _a.length; _i++) {
+                var serviceKey = _a[_i];
+                for (var _b = 0, _c = Object.keys(_this.services_[serviceKey]); _b < _c.length; _b++) {
+                    var instanceKey = _c[_b];
+                    services.push(_this.services_[serviceKey][instanceKey]);
+                }
+            }
+            return Promise.all(services
+                .filter(function (service) { return 'INTERNAL' in service; })
+                .map(function (service) { return service.INTERNAL.delete(); }));
+        })
+            .then(function () {
+            _this.isDeleted_ = true;
+            _this.services_ = {};
+        });
+    };
+    /**
+     * Return a service instance associated with this app (creating it
+     * on demand), identified by the passed instanceIdentifier.
+     *
+     * NOTE: Currently storage and functions are the only ones that are leveraging this
+     * functionality. They invoke it by calling:
+     *
+     * ```javascript
+     * firebase.app().storage('STORAGE BUCKET ID')
+     * ```
+     *
+     * The service name is passed to this already
+     * @internal
+     */
+    FirebaseAppImpl.prototype._getService = function (name, instanceIdentifier) {
+        if (instanceIdentifier === void 0) { instanceIdentifier = DEFAULT_ENTRY_NAME; }
+        this.checkDestroyed_();
+        if (!this.services_[name]) {
+            this.services_[name] = {};
+        }
+        if (!this.services_[name][instanceIdentifier]) {
+            /**
+             * If a custom instance has been defined (i.e. not '[DEFAULT]')
+             * then we will pass that instance on, otherwise we pass `null`
+             */
+            var instanceSpecifier = instanceIdentifier !== DEFAULT_ENTRY_NAME
+                ? instanceIdentifier
+                : undefined;
+            var service = this.firebase_.INTERNAL.factories[name](this, this.extendApp.bind(this), instanceSpecifier);
+            this.services_[name][instanceIdentifier] = service;
+        }
+        return this.services_[name][instanceIdentifier];
+    };
+    /**
+     * Remove a service instance from the cache, so we will create a new instance for this service
+     * when people try to get this service again.
+     *
+     * NOTE: currently only firestore is using this functionality to support firestore shutdown.
+     *
+     * @param name The service name
+     * @param instanceIdentifier instance identifier in case multiple instances are allowed
+     * @internal
+     */
+    FirebaseAppImpl.prototype._removeServiceInstance = function (name, instanceIdentifier) {
+        if (instanceIdentifier === void 0) { instanceIdentifier = DEFAULT_ENTRY_NAME; }
+        if (this.services_[name] && this.services_[name][instanceIdentifier]) {
+            delete this.services_[name][instanceIdentifier];
+        }
+    };
+    /**
+     * Callback function used to extend an App instance at the time
+     * of service instance creation.
+     */
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    FirebaseAppImpl.prototype.extendApp = function (props) {
+        var _this = this;
+        // Copy the object onto the FirebaseAppImpl prototype
+        util.deepExtend(this, props);
+        /**
+         * If the app has overwritten the addAuthTokenListener stub, forward
+         * the active token listeners on to the true fxn.
+         *
+         * TODO: This function is required due to our current module
+         * structure. Once we are able to rely strictly upon a single module
+         * implementation, this code should be refactored and Auth should
+         * provide these stubs and the upgrade logic
+         */
+        if (props.INTERNAL && props.INTERNAL.addAuthTokenListener) {
+            tokenListeners.forEach(function (listener) {
+                _this.INTERNAL.addAuthTokenListener(listener);
+            });
+            tokenListeners = [];
+        }
+    };
+    /**
+     * This function will throw an Error if the App has already been deleted -
+     * use before performing API actions on the App.
+     */
+    FirebaseAppImpl.prototype.checkDestroyed_ = function () {
+        if (this.isDeleted_) {
+            throw ERROR_FACTORY.create("app-deleted" /* APP_DELETED */, { appName: this.name_ });
+        }
+    };
+    return FirebaseAppImpl;
+}());
+// Prevent dead-code elimination of these methods w/o invalid property
+// copying.
+(FirebaseAppImpl.prototype.name && FirebaseAppImpl.prototype.options) ||
+    FirebaseAppImpl.prototype.delete ||
+    console.log('dc');
+
+var version = "6.6.0";
+
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+var logger = new logger$1.Logger('@firebase/app');
+
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/**
+ * Because auth can't share code with other components, we attach the utility functions
+ * in an internal namespace to share code.
+ * This function return a firebase namespace object without
+ * any utility functions, so it can be shared between the regular firebaseNamespace and
+ * the lite version.
+ */
+function createFirebaseNamespaceCore(firebaseAppImpl) {
+    var apps = {};
+    var factories = {};
+    var appHooks = {};
+    // A namespace is a plain JavaScript Object.
+    var namespace = {
+        // Hack to prevent Babel from modifying the object returned
+        // as the firebase namespace.
+        // @ts-ignore
+        __esModule: true,
+        initializeApp: initializeApp,
+        // @ts-ignore
+        app: app,
+        // @ts-ignore
+        apps: null,
+        SDK_VERSION: version,
+        INTERNAL: {
+            registerService: registerService,
+            removeApp: removeApp,
+            factories: factories,
+            useAsService: useAsService
+        }
+    };
+    // Inject a circular default export to allow Babel users who were previously
+    // using:
+    //
+    //   import firebase from 'firebase';
+    //   which becomes: var firebase = require('firebase').default;
+    //
+    // instead of
+    //
+    //   import * as firebase from 'firebase';
+    //   which becomes: var firebase = require('firebase');
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    namespace['default'] = namespace;
+    // firebase.apps is a read-only getter.
+    Object.defineProperty(namespace, 'apps', {
+        get: getApps
+    });
+    /**
+     * Called by App.delete() - but before any services associated with the App
+     * are deleted.
+     */
+    function removeApp(name) {
+        var app = apps[name];
+        callAppHooks(app, 'delete');
+        delete apps[name];
+    }
+    /**
+     * Get the App object for a given name (or DEFAULT).
+     */
+    function app(name) {
+        name = name || DEFAULT_ENTRY_NAME;
+        if (!util.contains(apps, name)) {
+            throw ERROR_FACTORY.create("no-app" /* NO_APP */, { appName: name });
+        }
+        return apps[name];
+    }
+    // @ts-ignore
+    app['App'] = firebaseAppImpl;
+    function initializeApp(options, rawConfig) {
+        if (rawConfig === void 0) { rawConfig = {}; }
+        if (typeof rawConfig !== 'object' || rawConfig === null) {
+            var name_1 = rawConfig;
+            rawConfig = { name: name_1 };
+        }
+        var config = rawConfig;
+        if (config.name === undefined) {
+            config.name = DEFAULT_ENTRY_NAME;
+        }
+        var name = config.name;
+        if (typeof name !== 'string' || !name) {
+            throw ERROR_FACTORY.create("bad-app-name" /* BAD_APP_NAME */, {
+                appName: String(name)
+            });
+        }
+        if (util.contains(apps, name)) {
+            throw ERROR_FACTORY.create("duplicate-app" /* DUPLICATE_APP */, { appName: name });
+        }
+        var app = new firebaseAppImpl(options, config, namespace);
+        apps[name] = app;
+        callAppHooks(app, 'create');
+        return app;
+    }
+    /*
+     * Return an array of all the non-deleted FirebaseApps.
+     */
+    function getApps() {
+        // Make a copy so caller cannot mutate the apps list.
+        return Object.keys(apps).map(function (name) { return apps[name]; });
+    }
+    /*
+     * Register a Firebase Service.
+     *
+     * firebase.INTERNAL.registerService()
+     *
+     * TODO: Implement serviceProperties.
+     */
+    function registerService(name, createService, serviceProperties, appHook, allowMultipleInstances) {
+        if (allowMultipleInstances === void 0) { allowMultipleInstances = false; }
+        // If re-registering a service that already exists, return existing service
+        if (factories[name]) {
+            logger.debug("There were multiple attempts to register service " + name + ".");
+            // eslint-disable-next-line @typescript-eslint/no-explicit-any
+            return namespace[name];
+        }
+        // Capture the service factory for later service instantiation
+        factories[name] = createService;
+        // Capture the appHook, if passed
+        if (appHook) {
+            appHooks[name] = appHook;
+            // Run the **new** app hook on all existing apps
+            getApps().forEach(function (app) {
+                appHook('create', app);
+            });
+        }
+        // The Service namespace is an accessor function ...
+        function serviceNamespace(appArg) {
+            if (appArg === void 0) { appArg = app(); }
+            // @ts-ignore
+            if (typeof appArg[name] !== 'function') {
+                // Invalid argument.
+                // This happens in the following case: firebase.storage('gs:/')
+                throw ERROR_FACTORY.create("invalid-app-argument" /* INVALID_APP_ARGUMENT */, {
+                    appName: name
+                });
+            }
+            // Forward service instance lookup to the FirebaseApp.
+            // @ts-ignore
+            return appArg[name]();
+        }
+        // ... and a container for service-level properties.
+        if (serviceProperties !== undefined) {
+            util.deepExtend(serviceNamespace, serviceProperties);
+        }
+        // Monkey-patch the serviceNamespace onto the firebase namespace
+        // @ts-ignore
+        namespace[name] = serviceNamespace;
+        // Patch the FirebaseAppImpl prototype
+        // @ts-ignore
+        firebaseAppImpl.prototype[name] =
+            // TODO: The eslint disable can be removed and the 'ignoreRestArgs'
+            // option added to the no-explicit-any rule when ESlint releases it.
+            // eslint-disable-next-line @typescript-eslint/no-explicit-any
+            function () {
+                var args = [];
+                for (var _i = 0; _i < arguments.length; _i++) {
+                    args[_i] = arguments[_i];
+                }
+                var serviceFxn = this._getService.bind(this, name);
+                return serviceFxn.apply(this, allowMultipleInstances ? args : []);
+            };
+        return serviceNamespace;
+    }
+    function callAppHooks(app, eventName) {
+        for (var _i = 0, _a = Object.keys(factories); _i < _a.length; _i++) {
+            var serviceName = _a[_i];
+            // Ignore virtual services
+            var factoryName = useAsService(app, serviceName);
+            if (factoryName === null) {
+                return;
+            }
+            if (appHooks[factoryName]) {
+                appHooks[factoryName](eventName, app);
+            }
+        }
+    }
+    // Map the requested service to a registered service name
+    // (used to map auth to serverAuth service when needed).
+    function useAsService(app, name) {
+        if (name === 'serverAuth') {
+            return null;
+        }
+        var useService = name;
+        return useService;
+    }
+    return namespace;
+}
+
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/**
+ * Return a firebase namespace object.
+ *
+ * In production, this will be called exactly once and the result
+ * assigned to the 'firebase' global.  It may be called multiple times
+ * in unit tests.
+ */
+function createFirebaseNamespace() {
+    var namespace = createFirebaseNamespaceCore(FirebaseAppImpl);
+    namespace.INTERNAL = tslib_1.__assign({}, namespace.INTERNAL, { createFirebaseNamespace: createFirebaseNamespace,
+        extendNamespace: extendNamespace,
+        createSubscribe: util.createSubscribe,
+        ErrorFactory: util.ErrorFactory,
+        deepExtend: util.deepExtend });
+    /**
+     * Patch the top-level firebase namespace with additional properties.
+     *
+     * firebase.INTERNAL.extendNamespace()
+     */
+    function extendNamespace(props) {
+        util.deepExtend(namespace, props);
+    }
+    return namespace;
+}
+
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+var _firebase = createFirebaseNamespace();
+_firebase.INTERNAL.extendNamespace({
+    INTERNAL: {
+        node: {
+            localStorage: new Storage(null, { strict: true }),
+            sessionStorage: new Storage(null, { strict: true }),
+            XMLHttpRequest: xmlhttprequest.XMLHttpRequest
+        }
+    }
+});
+var firebase = _firebase;
+
+exports.default = firebase;
+exports.firebase = firebase;
+//# sourceMappingURL=index.node.cjs.js.map

node_modules/@firebase/app/dist/index.rn.cjs.js

@@ -0,0 +1,542 @@
+'use strict';
+
+Object.defineProperty(exports, '__esModule', { value: true });
+
+var tslib_1 = require('tslib');
+var util = require('@firebase/util');
+var logger$1 = require('@firebase/logger');
+
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+var _a;
+var ERRORS = (_a = {},
+    _a["no-app" /* NO_APP */] = "No Firebase App '{$appName}' has been created - " +
+        'call Firebase App.initializeApp()',
+    _a["bad-app-name" /* BAD_APP_NAME */] = "Illegal App name: '{$appName}",
+    _a["duplicate-app" /* DUPLICATE_APP */] = "Firebase App named '{$appName}' already exists",
+    _a["app-deleted" /* APP_DELETED */] = "Firebase App named '{$appName}' already deleted",
+    _a["invalid-app-argument" /* INVALID_APP_ARGUMENT */] = 'firebase.{$appName}() takes either no argument or a ' +
+        'Firebase App instance.',
+    _a);
+var ERROR_FACTORY = new util.ErrorFactory('app', 'Firebase', ERRORS);
+
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+var DEFAULT_ENTRY_NAME = '[DEFAULT]';
+
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// An array to capture listeners before the true auth functions
+// exist
+var tokenListeners = [];
+/**
+ * Global context object for a collection of services using
+ * a shared authentication state.
+ */
+var FirebaseAppImpl = /** @class */ (function () {
+    function FirebaseAppImpl(options, config, firebase_) {
+        this.firebase_ = firebase_;
+        this.isDeleted_ = false;
+        this.services_ = {};
+        this.name_ = config.name;
+        this.automaticDataCollectionEnabled_ =
+            config.automaticDataCollectionEnabled || false;
+        this.options_ = util.deepCopy(options);
+        this.INTERNAL = {
+            getUid: function () { return null; },
+            getToken: function () { return Promise.resolve(null); },
+            addAuthTokenListener: function (callback) {
+                tokenListeners.push(callback);
+                // Make sure callback is called, asynchronously, in the absence of the auth module
+                setTimeout(function () { return callback(null); }, 0);
+            },
+            removeAuthTokenListener: function (callback) {
+                tokenListeners = tokenListeners.filter(function (listener) { return listener !== callback; });
+            }
+        };
+    }
+    Object.defineProperty(FirebaseAppImpl.prototype, "automaticDataCollectionEnabled", {
+        get: function () {
+            this.checkDestroyed_();
+            return this.automaticDataCollectionEnabled_;
+        },
+        set: function (val) {
+            this.checkDestroyed_();
+            this.automaticDataCollectionEnabled_ = val;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    Object.defineProperty(FirebaseAppImpl.prototype, "name", {
+        get: function () {
+            this.checkDestroyed_();
+            return this.name_;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    Object.defineProperty(FirebaseAppImpl.prototype, "options", {
+        get: function () {
+            this.checkDestroyed_();
+            return this.options_;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    FirebaseAppImpl.prototype.delete = function () {
+        var _this = this;
+        return new Promise(function (resolve) {
+            _this.checkDestroyed_();
+            resolve();
+        })
+            .then(function () {
+            _this.firebase_.INTERNAL.removeApp(_this.name_);
+            var services = [];
+            for (var _i = 0, _a = Object.keys(_this.services_); _i < _a.length; _i++) {
+                var serviceKey = _a[_i];
+                for (var _b = 0, _c = Object.keys(_this.services_[serviceKey]); _b < _c.length; _b++) {
+                    var instanceKey = _c[_b];
+                    services.push(_this.services_[serviceKey][instanceKey]);
+                }
+            }
+            return Promise.all(services
+                .filter(function (service) { return 'INTERNAL' in service; })
+                .map(function (service) { return service.INTERNAL.delete(); }));
+        })
+            .then(function () {
+            _this.isDeleted_ = true;
+            _this.services_ = {};
+        });
+    };
+    /**
+     * Return a service instance associated with this app (creating it
+     * on demand), identified by the passed instanceIdentifier.
+     *
+     * NOTE: Currently storage and functions are the only ones that are leveraging this
+     * functionality. They invoke it by calling:
+     *
+     * ```javascript
+     * firebase.app().storage('STORAGE BUCKET ID')
+     * ```
+     *
+     * The service name is passed to this already
+     * @internal
+     */
+    FirebaseAppImpl.prototype._getService = function (name, instanceIdentifier) {
+        if (instanceIdentifier === void 0) { instanceIdentifier = DEFAULT_ENTRY_NAME; }
+        this.checkDestroyed_();
+        if (!this.services_[name]) {
+            this.services_[name] = {};
+        }
+        if (!this.services_[name][instanceIdentifier]) {
+            /**
+             * If a custom instance has been defined (i.e. not '[DEFAULT]')
+             * then we will pass that instance on, otherwise we pass `null`
+             */
+            var instanceSpecifier = instanceIdentifier !== DEFAULT_ENTRY_NAME
+                ? instanceIdentifier
+                : undefined;
+            var service = this.firebase_.INTERNAL.factories[name](this, this.extendApp.bind(this), instanceSpecifier);
+            this.services_[name][instanceIdentifier] = service;
+        }
+        return this.services_[name][instanceIdentifier];
+    };
+    /**
+     * Remove a service instance from the cache, so we will create a new instance for this service
+     * when people try to get this service again.
+     *
+     * NOTE: currently only firestore is using this functionality to support firestore shutdown.
+     *
+     * @param name The service name
+     * @param instanceIdentifier instance identifier in case multiple instances are allowed
+     * @internal
+     */
+    FirebaseAppImpl.prototype._removeServiceInstance = function (name, instanceIdentifier) {
+        if (instanceIdentifier === void 0) { instanceIdentifier = DEFAULT_ENTRY_NAME; }
+        if (this.services_[name] && this.services_[name][instanceIdentifier]) {
+            delete this.services_[name][instanceIdentifier];
+        }
+    };
+    /**
+     * Callback function used to extend an App instance at the time
+     * of service instance creation.
+     */
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    FirebaseAppImpl.prototype.extendApp = function (props) {
+        var _this = this;
+        // Copy the object onto the FirebaseAppImpl prototype
+        util.deepExtend(this, props);
+        /**
+         * If the app has overwritten the addAuthTokenListener stub, forward
+         * the active token listeners on to the true fxn.
+         *
+         * TODO: This function is required due to our current module
+         * structure. Once we are able to rely strictly upon a single module
+         * implementation, this code should be refactored and Auth should
+         * provide these stubs and the upgrade logic
+         */
+        if (props.INTERNAL && props.INTERNAL.addAuthTokenListener) {
+            tokenListeners.forEach(function (listener) {
+                _this.INTERNAL.addAuthTokenListener(listener);
+            });
+            tokenListeners = [];
+        }
+    };
+    /**
+     * This function will throw an Error if the App has already been deleted -
+     * use before performing API actions on the App.
+     */
+    FirebaseAppImpl.prototype.checkDestroyed_ = function () {
+        if (this.isDeleted_) {
+            throw ERROR_FACTORY.create("app-deleted" /* APP_DELETED */, { appName: this.name_ });
+        }
+    };
+    return FirebaseAppImpl;
+}());
+// Prevent dead-code elimination of these methods w/o invalid property
+// copying.
+(FirebaseAppImpl.prototype.name && FirebaseAppImpl.prototype.options) ||
+    FirebaseAppImpl.prototype.delete ||
+    console.log('dc');
+
+var version = "6.6.0";
+
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+var logger = new logger$1.Logger('@firebase/app');
+
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/**
+ * Because auth can't share code with other components, we attach the utility functions
+ * in an internal namespace to share code.
+ * This function return a firebase namespace object without
+ * any utility functions, so it can be shared between the regular firebaseNamespace and
+ * the lite version.
+ */
+function createFirebaseNamespaceCore(firebaseAppImpl) {
+    var apps = {};
+    var factories = {};
+    var appHooks = {};
+    // A namespace is a plain JavaScript Object.
+    var namespace = {
+        // Hack to prevent Babel from modifying the object returned
+        // as the firebase namespace.
+        // @ts-ignore
+        __esModule: true,
+        initializeApp: initializeApp,
+        // @ts-ignore
+        app: app,
+        // @ts-ignore
+        apps: null,
+        SDK_VERSION: version,
+        INTERNAL: {
+            registerService: registerService,
+            removeApp: removeApp,
+            factories: factories,
+            useAsService: useAsService
+        }
+    };
+    // Inject a circular default export to allow Babel users who were previously
+    // using:
+    //
+    //   import firebase from 'firebase';
+    //   which becomes: var firebase = require('firebase').default;
+    //
+    // instead of
+    //
+    //   import * as firebase from 'firebase';
+    //   which becomes: var firebase = require('firebase');
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    namespace['default'] = namespace;
+    // firebase.apps is a read-only getter.
+    Object.defineProperty(namespace, 'apps', {
+        get: getApps
+    });
+    /**
+     * Called by App.delete() - but before any services associated with the App
+     * are deleted.
+     */
+    function removeApp(name) {
+        var app = apps[name];
+        callAppHooks(app, 'delete');
+        delete apps[name];
+    }
+    /**
+     * Get the App object for a given name (or DEFAULT).
+     */
+    function app(name) {
+        name = name || DEFAULT_ENTRY_NAME;
+        if (!util.contains(apps, name)) {
+            throw ERROR_FACTORY.create("no-app" /* NO_APP */, { appName: name });
+        }
+        return apps[name];
+    }
+    // @ts-ignore
+    app['App'] = firebaseAppImpl;
+    function initializeApp(options, rawConfig) {
+        if (rawConfig === void 0) { rawConfig = {}; }
+        if (typeof rawConfig !== 'object' || rawConfig === null) {
+            var name_1 = rawConfig;
+            rawConfig = { name: name_1 };
+        }
+        var config = rawConfig;
+        if (config.name === undefined) {
+            config.name = DEFAULT_ENTRY_NAME;
+        }
+        var name = config.name;
+        if (typeof name !== 'string' || !name) {
+            throw ERROR_FACTORY.create("bad-app-name" /* BAD_APP_NAME */, {
+                appName: String(name)
+            });
+        }
+        if (util.contains(apps, name)) {
+            throw ERROR_FACTORY.create("duplicate-app" /* DUPLICATE_APP */, { appName: name });
+        }
+        var app = new firebaseAppImpl(options, config, namespace);
+        apps[name] = app;
+        callAppHooks(app, 'create');
+        return app;
+    }
+    /*
+     * Return an array of all the non-deleted FirebaseApps.
+     */
+    function getApps() {
+        // Make a copy so caller cannot mutate the apps list.
+        return Object.keys(apps).map(function (name) { return apps[name]; });
+    }
+    /*
+     * Register a Firebase Service.
+     *
+     * firebase.INTERNAL.registerService()
+     *
+     * TODO: Implement serviceProperties.
+     */
+    function registerService(name, createService, serviceProperties, appHook, allowMultipleInstances) {
+        if (allowMultipleInstances === void 0) { allowMultipleInstances = false; }
+        // If re-registering a service that already exists, return existing service
+        if (factories[name]) {
+            logger.debug("There were multiple attempts to register service " + name + ".");
+            // eslint-disable-next-line @typescript-eslint/no-explicit-any
+            return namespace[name];
+        }
+        // Capture the service factory for later service instantiation
+        factories[name] = createService;
+        // Capture the appHook, if passed
+        if (appHook) {
+            appHooks[name] = appHook;
+            // Run the **new** app hook on all existing apps
+            getApps().forEach(function (app) {
+                appHook('create', app);
+            });
+        }
+        // The Service namespace is an accessor function ...
+        function serviceNamespace(appArg) {
+            if (appArg === void 0) { appArg = app(); }
+            // @ts-ignore
+            if (typeof appArg[name] !== 'function') {
+                // Invalid argument.
+                // This happens in the following case: firebase.storage('gs:/')
+                throw ERROR_FACTORY.create("invalid-app-argument" /* INVALID_APP_ARGUMENT */, {
+                    appName: name
+                });
+            }
+            // Forward service instance lookup to the FirebaseApp.
+            // @ts-ignore
+            return appArg[name]();
+        }
+        // ... and a container for service-level properties.
+        if (serviceProperties !== undefined) {
+            util.deepExtend(serviceNamespace, serviceProperties);
+        }
+        // Monkey-patch the serviceNamespace onto the firebase namespace
+        // @ts-ignore
+        namespace[name] = serviceNamespace;
+        // Patch the FirebaseAppImpl prototype
+        // @ts-ignore
+        firebaseAppImpl.prototype[name] =
+            // TODO: The eslint disable can be removed and the 'ignoreRestArgs'
+            // option added to the no-explicit-any rule when ESlint releases it.
+            // eslint-disable-next-line @typescript-eslint/no-explicit-any
+            function () {
+                var args = [];
+                for (var _i = 0; _i < arguments.length; _i++) {
+                    args[_i] = arguments[_i];
+                }
+                var serviceFxn = this._getService.bind(this, name);
+                return serviceFxn.apply(this, allowMultipleInstances ? args : []);
+            };
+        return serviceNamespace;
+    }
+    function callAppHooks(app, eventName) {
+        for (var _i = 0, _a = Object.keys(factories); _i < _a.length; _i++) {
+            var serviceName = _a[_i];
+            // Ignore virtual services
+            var factoryName = useAsService(app, serviceName);
+            if (factoryName === null) {
+                return;
+            }
+            if (appHooks[factoryName]) {
+                appHooks[factoryName](eventName, app);
+            }
+        }
+    }
+    // Map the requested service to a registered service name
+    // (used to map auth to serverAuth service when needed).
+    function useAsService(app, name) {
+        if (name === 'serverAuth') {
+            return null;
+        }
+        var useService = name;
+        return useService;
+    }
+    return namespace;
+}
+
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/**
+ * Return a firebase namespace object.
+ *
+ * In production, this will be called exactly once and the result
+ * assigned to the 'firebase' global.  It may be called multiple times
+ * in unit tests.
+ */
+function createFirebaseNamespace() {
+    var namespace = createFirebaseNamespaceCore(FirebaseAppImpl);
+    namespace.INTERNAL = tslib_1.__assign({}, namespace.INTERNAL, { createFirebaseNamespace: createFirebaseNamespace,
+        extendNamespace: extendNamespace,
+        createSubscribe: util.createSubscribe,
+        ErrorFactory: util.ErrorFactory,
+        deepExtend: util.deepExtend });
+    /**
+     * Patch the top-level firebase namespace with additional properties.
+     *
+     * firebase.INTERNAL.extendNamespace()
+     */
+    function extendNamespace(props) {
+        util.deepExtend(namespace, props);
+    }
+    return namespace;
+}
+
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/**
+ * To avoid having to include the @types/react-native package, which breaks
+ * some of our tests because of duplicate symbols, we are using require syntax
+ * here
+ */
+// eslint-disable-next-line @typescript-eslint/no-require-imports
+var AsyncStorage = require('react-native').AsyncStorage;
+var _firebase = createFirebaseNamespace();
+_firebase.INTERNAL.extendNamespace({
+    INTERNAL: {
+        reactNative: {
+            AsyncStorage: AsyncStorage
+        }
+    }
+});
+var firebase = _firebase;
+
+exports.default = firebase;
+exports.firebase = firebase;
+//# sourceMappingURL=index.rn.cjs.js.map

node_modules/@firebase/app/package.json

@@ -0,0 +1,116 @@
+{
+  "_from": "@firebase/app@0.4.16",
+  "_id": "@firebase/app@0.4.16",
+  "_inBundle": false,
+  "_integrity": "sha512-4aa6ixQlV6xQxj4HbwFKrfYZnnKk8AtB/vEEuIaBCGQYBvV287OVNCozXd4CC4Q4I4Vtkzrc+kggahYFl8nDWQ==",
+  "_location": "/@firebase/app",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "version",
+    "registry": true,
+    "raw": "@firebase/app@0.4.16",
+    "name": "@firebase/app",
+    "escapedName": "@firebase%2fapp",
+    "scope": "@firebase",
+    "rawSpec": "0.4.16",
+    "saveSpec": null,
+    "fetchSpec": "0.4.16"
+  },
+  "_requiredBy": [
+    "/firebase"
+  ],
+  "_resolved": "https://registry.npmjs.org/@firebase/app/-/app-0.4.16.tgz",
+  "_shasum": "9ddd8f9c0721ed61755e93322e7459e6b276eca8",
+  "_spec": "@firebase/app@0.4.16",
+  "_where": "C:\\Users\\matia\\Documents\\GitHub\\FutoX-Musix\\node_modules\\firebase",
+  "author": {
+    "name": "Firebase",
+    "email": "firebase-support@google.com",
+    "url": "https://firebase.google.com/"
+  },
+  "browser": "dist/index.cjs.js",
+  "bugs": {
+    "url": "https://github.com/firebase/firebase-js-sdk/issues"
+  },
+  "bundleDependencies": false,
+  "dependencies": {
+    "@firebase/app-types": "0.4.3",
+    "@firebase/logger": "0.1.24",
+    "@firebase/util": "0.2.27",
+    "dom-storage": "2.1.0",
+    "tslib": "1.10.0",
+    "xmlhttprequest": "1.8.0"
+  },
+  "deprecated": false,
+  "description": "The primary entrypoint to the Firebase JS SDK",
+  "devDependencies": {
+    "@types/chai": "4.2.0",
+    "@types/mocha": "5.2.7",
+    "@types/sinon": "7.0.13",
+    "@typescript-eslint/eslint-plugin": "2.0.0",
+    "@typescript-eslint/eslint-plugin-tslint": "2.0.0",
+    "@typescript-eslint/parser": "2.0.0",
+    "chai": "4.2.0",
+    "eslint": "5.16.0",
+    "eslint-plugin-import": "2.18.2",
+    "karma": "4.3.0",
+    "karma-chrome-launcher": "3.1.0",
+    "karma-cli": "2.0.0",
+    "karma-coverage-istanbul-reporter": "2.1.0",
+    "karma-firefox-launcher": "1.2.0",
+    "karma-mocha": "1.3.0",
+    "karma-sauce-launcher": "1.2.0",
+    "karma-sourcemap-loader": "0.3.7",
+    "karma-spec-reporter": "0.0.32",
+    "karma-webpack": "4.0.2",
+    "mocha": "6.2.0",
+    "npm-run-all": "4.1.5",
+    "nyc": "14.1.1",
+    "rollup": "1.20.3",
+    "rollup-plugin-json": "4.0.0",
+    "rollup-plugin-replace": "2.2.0",
+    "rollup-plugin-typescript2": "0.24.0",
+    "sinon": "7.4.1",
+    "source-map-loader": "0.2.4",
+    "ts-loader": "6.0.4",
+    "ts-node": "8.3.0",
+    "typescript": "3.5.3",
+    "webpack": "4.39.3"
+  },
+  "esm2017": "dist/index.esm2017.js",
+  "files": [
+    "dist"
+  ],
+  "homepage": "https://github.com/firebase/firebase-js-sdk#readme",
+  "license": "Apache-2.0",
+  "lite": "dist/index.lite.js",
+  "lite-esm2017": "dist/index.lite.esm2017.js",
+  "main": "dist/index.node.cjs.js",
+  "module": "dist/index.esm.js",
+  "name": "@firebase/app",
+  "nyc": {
+    "extension": [
+      ".ts"
+    ],
+    "reportDir": "./coverage/node"
+  },
+  "react-native": "dist/index.rn.cjs.js",
+  "repository": {
+    "directory": "packages/app",
+    "type": "git",
+    "url": "git+https://github.com/firebase/firebase-js-sdk.git"
+  },
+  "scripts": {
+    "build": "rollup -c",
+    "dev": "rollup -c -w",
+    "lint": "eslint -c .eslintrc.json '**/*.ts' --ignore-path '../../.gitignore'",
+    "lint:fix": "eslint --fix -c .eslintrc.json '**/*.ts'  --ignore-path '../../.gitignore'",
+    "prepare": "yarn build",
+    "test": "run-p lint test:browser test:node",
+    "test:browser": "karma start --single-run",
+    "test:browser:debug": "karma start --browsers Chrome --auto-watch",
+    "test:node": "TS_NODE_CACHE=NO TS_NODE_COMPILER_OPTIONS='{\"module\":\"commonjs\"}' nyc --reporter lcovonly -- mocha test/**/*.test.* --opts ../../config/mocha.node.opts"
+  },
+  "typings": "dist/app/index.d.ts",
+  "version": "0.4.16"
+}

node_modules/@firebase/auth-types/README.md

@@ -0,0 +1,3 @@
+# @firebase/auth-types
+
+**This package is not intended for direct usage, and should only be used via the officially supported [firebase](https://www.npmjs.com/package/firebase) package.**

node_modules/@firebase/auth-types/index.d.ts

@@ -0,0 +1,388 @@
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { FirebaseApp, FirebaseNamespace } from '@firebase/app-types';
+import { Observer, Unsubscribe } from '@firebase/util';
+
+export interface User extends UserInfo {
+  delete(): Promise<void>;
+  emailVerified: boolean;
+  getIdTokenResult(forceRefresh?: boolean): Promise<IdTokenResult>;
+  getIdToken(forceRefresh?: boolean): Promise<string>;
+  isAnonymous: boolean;
+  linkAndRetrieveDataWithCredential(
+    credential: AuthCredential
+  ): Promise<UserCredential>;
+  linkWithCredential(credential: AuthCredential): Promise<UserCredential>;
+  linkWithPhoneNumber(
+    phoneNumber: string,
+    applicationVerifier: ApplicationVerifier
+  ): Promise<ConfirmationResult>;
+  linkWithPopup(provider: AuthProvider): Promise<UserCredential>;
+  linkWithRedirect(provider: AuthProvider): Promise<void>;
+  metadata: UserMetadata;
+  phoneNumber: string | null;
+  providerData: (UserInfo | null)[];
+  reauthenticateAndRetrieveDataWithCredential(
+    credential: AuthCredential
+  ): Promise<UserCredential>;
+  reauthenticateWithCredential(
+    credential: AuthCredential
+  ): Promise<UserCredential>;
+  reauthenticateWithPhoneNumber(
+    phoneNumber: string,
+    applicationVerifier: ApplicationVerifier
+  ): Promise<ConfirmationResult>;
+  reauthenticateWithPopup(provider: AuthProvider): Promise<UserCredential>;
+  reauthenticateWithRedirect(provider: AuthProvider): Promise<void>;
+  refreshToken: string;
+  reload(): Promise<void>;
+  sendEmailVerification(
+    actionCodeSettings?: ActionCodeSettings | null
+  ): Promise<void>;
+  readonly tenantId: string | null;
+  toJSON(): Object;
+  unlink(providerId: string): Promise<User>;
+  updateEmail(newEmail: string): Promise<void>;
+  updatePassword(newPassword: string): Promise<void>;
+  updatePhoneNumber(phoneCredential: AuthCredential): Promise<void>;
+  updateProfile(profile: {
+    displayName?: string | null;
+    photoURL?: string | null;
+  }): Promise<void>;
+}
+
+export interface UserInfo {
+  displayName: string | null;
+  email: string | null;
+  phoneNumber: string | null;
+  photoURL: string | null;
+  providerId: string;
+  uid: string;
+}
+
+export class ActionCodeInfo {
+  private constructor();
+  data: {
+    email?: string | null;
+    fromEmail?: string | null;
+  };
+  operation: string;
+  static Operation: {
+    PASSWORD_RESET: Operation;
+    RECOVER_EMAIL: Operation;
+    EMAIL_SIGNIN: Operation;
+    VERIFY_EMAIL: Operation;
+  };
+}
+
+export class ActionCodeURL {
+  private constructor();
+  apiKey: string;
+  code: string;
+  continueUrl: string | null;
+  languageCode: string | null;
+  operation: Operation;
+  static parseLink(link: string): ActionCodeURL | null;
+  tenantId: string | null;
+}
+
+export type ActionCodeSettings = {
+  android?: {
+    installApp?: boolean;
+    minimumVersion?: string;
+    packageName: string;
+  };
+  handleCodeInApp?: boolean;
+  iOS?: { bundleId: string };
+  url: string;
+  dynamicLinkDomain?: string;
+};
+
+export type AdditionalUserInfo = {
+  isNewUser: boolean;
+  profile: Object | null;
+  providerId: string;
+  username?: string | null;
+};
+
+export interface ApplicationVerifier {
+  type: string;
+  verify(): Promise<string>;
+}
+
+export abstract class AuthCredential {
+  providerId: string;
+  signInMethod: string;
+  toJSON(): Object;
+  static fromJSON(json: Object | string): AuthCredential | null;
+}
+
+export interface AuthProvider {
+  providerId: string;
+}
+
+export interface ConfirmationResult {
+  confirm(verificationCode: string): Promise<UserCredential>;
+  verificationId: string;
+}
+
+export class EmailAuthProvider extends EmailAuthProvider_Instance {
+  static PROVIDER_ID: string;
+  static EMAIL_PASSWORD_SIGN_IN_METHOD: string;
+  static EMAIL_LINK_SIGN_IN_METHOD: string;
+  static credential(email: string, password: string): AuthCredential;
+  static credentialWithLink(email: string, emailLink: string): AuthCredential;
+}
+export class EmailAuthProvider_Instance implements AuthProvider {
+  providerId: string;
+}
+
+export interface Error {
+  code: string;
+  message: string;
+}
+
+export interface AuthError extends Error {
+  credential?: AuthCredential;
+  email?: string;
+  phoneNumber?: string;
+  tenantId?: string;
+}
+
+export class FacebookAuthProvider extends FacebookAuthProvider_Instance {
+  static PROVIDER_ID: string;
+  static FACEBOOK_SIGN_IN_METHOD: string;
+  static credential(token: string): AuthCredential;
+}
+export class FacebookAuthProvider_Instance implements AuthProvider {
+  addScope(scope: string): AuthProvider;
+  providerId: string;
+  setCustomParameters(customOAuthParameters: Object): AuthProvider;
+}
+
+export class GithubAuthProvider extends GithubAuthProvider_Instance {
+  static PROVIDER_ID: string;
+  static GITHUB_SIGN_IN_METHOD: string;
+  static credential(token: string): AuthCredential;
+}
+export class GithubAuthProvider_Instance implements AuthProvider {
+  addScope(scope: string): AuthProvider;
+  providerId: string;
+  setCustomParameters(customOAuthParameters: Object): AuthProvider;
+}
+
+export class GoogleAuthProvider extends GoogleAuthProvider_Instance {
+  static PROVIDER_ID: string;
+  static GOOGLE_SIGN_IN_METHOD: string;
+  static credential(
+    idToken?: string | null,
+    accessToken?: string | null
+  ): AuthCredential;
+}
+export class GoogleAuthProvider_Instance implements AuthProvider {
+  addScope(scope: string): AuthProvider;
+  providerId: string;
+  setCustomParameters(customOAuthParameters: Object): AuthProvider;
+}
+
+export interface IdTokenResult {
+  token: string;
+  expirationTime: string;
+  authTime: string;
+  issuedAtTime: string;
+  signInProvider: string | null;
+  claims: {
+    [key: string]: any;
+  };
+}
+
+export class OAuthProvider implements AuthProvider {
+  constructor(providerId: string);
+  providerId: string;
+  addScope(scope: string): AuthProvider;
+  credential(idToken?: string, accessToken?: string): OAuthCredential;
+  setCustomParameters(customOAuthParameters: Object): AuthProvider;
+}
+
+export class SAMLAuthProvider implements AuthProvider {
+  providerId: string;
+}
+
+export class PhoneAuthProvider extends PhoneAuthProvider_Instance {
+  static PROVIDER_ID: string;
+  static PHONE_SIGN_IN_METHOD: string;
+  static credential(
+    verificationId: string,
+    verificationCode: string
+  ): AuthCredential;
+}
+export class PhoneAuthProvider_Instance implements AuthProvider {
+  constructor(auth?: FirebaseAuth | null);
+  providerId: string;
+  verifyPhoneNumber(
+    phoneNumber: string,
+    applicationVerifier: ApplicationVerifier
+  ): Promise<string>;
+}
+
+export class RecaptchaVerifier extends RecaptchaVerifier_Instance {}
+export class RecaptchaVerifier_Instance implements ApplicationVerifier {
+  constructor(
+    container: any | string,
+    parameters?: Object | null,
+    app?: FirebaseApp | null
+  );
+  clear(): void;
+  render(): Promise<number>;
+  type: string;
+  verify(): Promise<string>;
+}
+
+export class TwitterAuthProvider extends TwitterAuthProvider_Instance {
+  static PROVIDER_ID: string;
+  static TWITTER_SIGN_IN_METHOD: string;
+  static credential(token: string, secret: string): AuthCredential;
+}
+export class TwitterAuthProvider_Instance implements AuthProvider {
+  providerId: string;
+  setCustomParameters(customOAuthParameters: Object): AuthProvider;
+}
+
+export type UserCredential = {
+  additionalUserInfo?: AdditionalUserInfo | null;
+  credential: AuthCredential | null;
+  operationType?: string | null;
+  user: User | null;
+};
+
+export interface UserMetadata {
+  creationTime?: string;
+  lastSignInTime?: string;
+}
+
+export type Persistence = string;
+
+export type Operation = string;
+
+export class OAuthCredential extends AuthCredential {
+  private constructor();
+  idToken?: string;
+  accessToken?: string;
+  secret?: string;
+}
+
+export interface AuthSettings {
+  appVerificationDisabledForTesting: boolean;
+}
+
+export class FirebaseAuth {
+  private constructor();
+
+  static Persistence: {
+    LOCAL: Persistence;
+    NONE: Persistence;
+    SESSION: Persistence;
+  };
+
+  app: FirebaseApp;
+  applyActionCode(code: string): Promise<void>;
+  checkActionCode(code: string): Promise<ActionCodeInfo>;
+  confirmPasswordReset(code: string, newPassword: string): Promise<void>;
+  createUserWithEmailAndPassword(
+    email: string,
+    password: string
+  ): Promise<UserCredential>;
+  currentUser: User | null;
+  fetchSignInMethodsForEmail(email: string): Promise<Array<string>>;
+  isSignInWithEmailLink(emailLink: string): boolean;
+  getRedirectResult(): Promise<UserCredential>;
+  languageCode: string | null;
+  settings: AuthSettings;
+  onAuthStateChanged(
+    nextOrObserver: Observer<any> | ((a: User | null) => any),
+    error?: (a: Error) => any,
+    completed?: Unsubscribe
+  ): Unsubscribe;
+  onIdTokenChanged(
+    nextOrObserver: Observer<any> | ((a: User | null) => any),
+    error?: (a: Error) => any,
+    completed?: Unsubscribe
+  ): Unsubscribe;
+  sendSignInLinkToEmail(
+    email: string,
+    actionCodeSettings: ActionCodeSettings
+  ): Promise<void>;
+  sendPasswordResetEmail(
+    email: string,
+    actionCodeSettings?: ActionCodeSettings | null
+  ): Promise<void>;
+  setPersistence(persistence: Persistence): Promise<void>;
+  signInAndRetrieveDataWithCredential(
+    credential: AuthCredential
+  ): Promise<UserCredential>;
+  signInAnonymously(): Promise<UserCredential>;
+  signInWithCredential(credential: AuthCredential): Promise<UserCredential>;
+  signInWithCustomToken(token: string): Promise<UserCredential>;
+  signInWithEmailAndPassword(
+    email: string,
+    password: string
+  ): Promise<UserCredential>;
+  signInWithEmailLink(
+    email: string,
+    emailLink?: string
+  ): Promise<UserCredential>;
+  signInWithPhoneNumber(
+    phoneNumber: string,
+    applicationVerifier: ApplicationVerifier
+  ): Promise<ConfirmationResult>;
+  signInWithPopup(provider: AuthProvider): Promise<UserCredential>;
+  signInWithRedirect(provider: AuthProvider): Promise<void>;
+  signOut(): Promise<void>;
+  tenantId: string | null;
+  updateCurrentUser(user: User | null): Promise<void>;
+  useDeviceLanguage(): void;
+  verifyPasswordResetCode(code: string): Promise<string>;
+}
+
+declare module '@firebase/app-types' {
+  interface FirebaseNamespace {
+    auth?: {
+      (app?: FirebaseApp): FirebaseAuth;
+      Auth: typeof FirebaseAuth;
+      EmailAuthProvider: typeof EmailAuthProvider;
+      EmailAuthProvider_Instance: typeof EmailAuthProvider_Instance;
+      FacebookAuthProvider: typeof FacebookAuthProvider;
+      FacebookAuthProvider_Instance: typeof FacebookAuthProvider_Instance;
+      GithubAuthProvider: typeof GithubAuthProvider;
+      GithubAuthProvider_Instance: typeof GithubAuthProvider_Instance;
+      GoogleAuthProvider: typeof GoogleAuthProvider;
+      GoogleAuthProvider_Instance: typeof GoogleAuthProvider_Instance;
+      OAuthProvider: typeof OAuthProvider;
+      SAMLAuthProvider: typeof SAMLAuthProvider;
+      PhoneAuthProvider: typeof PhoneAuthProvider;
+      PhoneAuthProvider_Instance: typeof PhoneAuthProvider_Instance;
+      RecaptchaVerifier: typeof RecaptchaVerifier;
+      RecaptchaVerifier_Instance: typeof RecaptchaVerifier_Instance;
+      TwitterAuthProvider: typeof TwitterAuthProvider;
+      TwitterAuthProvider_Instance: typeof TwitterAuthProvider_Instance;
+    };
+  }
+  interface FirebaseApp {
+    auth?(): FirebaseAuth;
+  }
+}

node_modules/@firebase/auth-types/package.json

@@ -0,0 +1,59 @@
+{
+  "_from": "@firebase/auth-types@0.8.0",
+  "_id": "@firebase/auth-types@0.8.0",
+  "_inBundle": false,
+  "_integrity": "sha512-foQHhvyB0RR+mb/+wmHXd/VOU+D8fruFEW1k79Q9wzyTPpovMBa1Mcns5fwEWBhUfi8bmoEtaGB8RSAHnTFzTg==",
+  "_location": "/@firebase/auth-types",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "version",
+    "registry": true,
+    "raw": "@firebase/auth-types@0.8.0",
+    "name": "@firebase/auth-types",
+    "escapedName": "@firebase%2fauth-types",
+    "scope": "@firebase",
+    "rawSpec": "0.8.0",
+    "saveSpec": null,
+    "fetchSpec": "0.8.0"
+  },
+  "_requiredBy": [
+    "/@firebase/auth"
+  ],
+  "_resolved": "https://registry.npmjs.org/@firebase/auth-types/-/auth-types-0.8.0.tgz",
+  "_shasum": "10c0657847f6c311ef42e8a550bdbbb678ec86e4",
+  "_spec": "@firebase/auth-types@0.8.0",
+  "_where": "C:\\Users\\matia\\Documents\\GitHub\\FutoX-Musix\\node_modules\\@firebase\\auth",
+  "author": {
+    "name": "Firebase",
+    "email": "firebase-support@google.com",
+    "url": "https://firebase.google.com/"
+  },
+  "bugs": {
+    "url": "https://github.com/firebase/firebase-js-sdk/issues"
+  },
+  "bundleDependencies": false,
+  "deprecated": false,
+  "description": "@firebase/auth Types",
+  "devDependencies": {
+    "typescript": "3.5.3"
+  },
+  "files": [
+    "index.d.ts"
+  ],
+  "homepage": "https://github.com/firebase/firebase-js-sdk#readme",
+  "license": "Apache-2.0",
+  "name": "@firebase/auth-types",
+  "peerDependencies": {
+    "@firebase/app-types": "0.x",
+    "@firebase/util": "0.x"
+  },
+  "repository": {
+    "directory": "packages/auth-types",
+    "type": "git",
+    "url": "git+https://github.com/firebase/firebase-js-sdk.git"
+  },
+  "scripts": {
+    "test": "tsc"
+  },
+  "version": "0.8.0"
+}

node_modules/@firebase/auth/LICENSE

@@ -0,0 +1,202 @@
+
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node_modules/@firebase/auth/README.md

@@ -0,0 +1,5 @@
+# @firebase/auth
+
+This is the Firebase Authentication component of the Firebase JS SDK.
+
+**This package is not intended for direct usage, and should only be used via the officially supported [firebase](https://www.npmjs.com/package/firebase) package.**

node_modules/@firebase/auth/dist/auth.esm.js

@@ -0,0 +1,373 @@
+import firebase from '@firebase/app';(function() {var k,aa="function"==typeof Object.defineProperties?Object.defineProperty:function(a,b,c){a!=Array.prototype&&a!=Object.prototype&&(a[b]=c.value)},ba="undefined"!=typeof window&&window===this?this:"undefined"!=typeof global&&null!=global?global:this;function ca(a,b){if(b){var c=ba;a=a.split(".");for(var d=0;d<a.length-1;d++){var e=a[d];e in c||(c[e]={});c=c[e]}a=a[a.length-1];d=c[a];b=b(d);b!=d&&null!=b&&aa(c,a,{configurable:!0,writable:!0,value:b})}}
+function da(a){var b=0;return function(){return b<a.length?{done:!1,value:a[b++]}:{done:!0}}}function ea(a){var b="undefined"!=typeof Symbol&&Symbol.iterator&&a[Symbol.iterator];return b?b.call(a):{next:da(a)}}
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+vg.prototype.Ea=function(a){this.zb=Ua(a);return this};function wg(a){if("string"!==typeof a||0!=a.indexOf("saml."))throw new M("argument-error",'SAML provider IDs must be prefixed with "saml."');vg.call(this,a,[])}v(wg,vg);function O(a){vg.call(this,a,Xf);this.a=[]}v(O,vg);O.prototype.wa=function(a){Na(this.a,a)||this.a.push(a);return this};O.prototype.Hb=function(){return Ra(this.a)};
+O.prototype.credential=function(a,b){var c;r(a)?c={idToken:a.idToken||null,accessToken:a.accessToken||null,nonce:a.rawNonce||null}:c={idToken:a||null,accessToken:b||null};if(!c.idToken&&!c.accessToken)throw new M("argument-error","credential failed: must provide the ID token and/or the access token.");return new sg(this.providerId,c,this.providerId)};function xg(){O.call(this,"facebook.com")}v(xg,O);K(xg,"PROVIDER_ID","facebook.com");K(xg,"FACEBOOK_SIGN_IN_METHOD","facebook.com");
+function yg(a){if(!a)throw new M("argument-error","credential failed: expected 1 argument (the OAuth access token).");var b=a;r(a)&&(b=a.accessToken);return(new xg).credential({accessToken:b})}function zg(){O.call(this,"github.com")}v(zg,O);K(zg,"PROVIDER_ID","github.com");K(zg,"GITHUB_SIGN_IN_METHOD","github.com");
+function Ag(a){if(!a)throw new M("argument-error","credential failed: expected 1 argument (the OAuth access token).");var b=a;r(a)&&(b=a.accessToken);return(new zg).credential({accessToken:b})}function Bg(){O.call(this,"google.com");this.wa("profile")}v(Bg,O);K(Bg,"PROVIDER_ID","google.com");K(Bg,"GOOGLE_SIGN_IN_METHOD","google.com");function Cg(a,b){var c=a;r(a)&&(c=a.idToken,b=a.accessToken);return(new Bg).credential({idToken:c,accessToken:b})}function Dg(){vg.call(this,"twitter.com",Wf)}v(Dg,vg);
+K(Dg,"PROVIDER_ID","twitter.com");K(Dg,"TWITTER_SIGN_IN_METHOD","twitter.com");function Eg(a,b){var c=a;r(c)||(c={oauthToken:a,oauthTokenSecret:b});if(!c.oauthToken||!c.oauthTokenSecret)throw new M("argument-error","credential failed: expected 2 arguments (the OAuth access token and secret).");return new sg("twitter.com",c,"twitter.com")}
+function Fg(a,b,c){this.a=a;this.c=b;K(this,"providerId","password");K(this,"signInMethod",c===Gg.EMAIL_LINK_SIGN_IN_METHOD?Gg.EMAIL_LINK_SIGN_IN_METHOD:Gg.EMAIL_PASSWORD_SIGN_IN_METHOD)}Fg.prototype.na=function(a){return this.signInMethod==Gg.EMAIL_LINK_SIGN_IN_METHOD?P(a,Hg,{email:this.a,oobCode:this.c}):P(a,Ig,{email:this.a,password:this.c})};
+Fg.prototype.b=function(a,b){return this.signInMethod==Gg.EMAIL_LINK_SIGN_IN_METHOD?P(a,Jg,{idToken:b,email:this.a,oobCode:this.c}):P(a,Kg,{idToken:b,email:this.a,password:this.c})};Fg.prototype.f=function(a,b){return kg(this.na(a),b)};Fg.prototype.A=function(){return{email:this.a,password:this.c,signInMethod:this.signInMethod}};function Lg(a){return a&&a.email&&a.password?new Fg(a.email,a.password,a.signInMethod):null}function Gg(){L(this,{providerId:"password",isOAuthProvider:!1})}
+function Mg(a,b){b=Ng(b);if(!b)throw new M("argument-error","Invalid email link!");return new Fg(a,b.code,Gg.EMAIL_LINK_SIGN_IN_METHOD)}function Ng(a){a=ig(a);return(a=yf(a))&&a.operation===hf?a:null}L(Gg,{PROVIDER_ID:"password"});L(Gg,{EMAIL_LINK_SIGN_IN_METHOD:"emailLink"});L(Gg,{EMAIL_PASSWORD_SIGN_IN_METHOD:"password"});function Og(a){if(!(a.Ua&&a.Ta||a.Fa&&a.ba))throw new M("internal-error");this.a=a;K(this,"providerId","phone");K(this,"signInMethod","phone")}Og.prototype.na=function(a){return a.Va(Pg(this))};
+Og.prototype.b=function(a,b){var c=Pg(this);c.idToken=b;return P(a,Qg,c)};Og.prototype.f=function(a,b){var c=Pg(this);c.operation="REAUTH";a=P(a,Rg,c);return kg(a,b)};Og.prototype.A=function(){var a={providerId:"phone"};this.a.Ua&&(a.verificationId=this.a.Ua);this.a.Ta&&(a.verificationCode=this.a.Ta);this.a.Fa&&(a.temporaryProof=this.a.Fa);this.a.ba&&(a.phoneNumber=this.a.ba);return a};
+function Sg(a){if(a&&"phone"===a.providerId&&(a.verificationId&&a.verificationCode||a.temporaryProof&&a.phoneNumber)){var b={};x(["verificationId","verificationCode","temporaryProof","phoneNumber"],function(c){a[c]&&(b[c]=a[c])});return new Og(b)}return null}function Pg(a){return a.a.Fa&&a.a.ba?{temporaryProof:a.a.Fa,phoneNumber:a.a.ba}:{sessionInfo:a.a.Ua,code:a.a.Ta}}
+function Tg(a){try{this.a=a||firebase.auth()}catch(b){throw new M("argument-error","Either an instance of firebase.auth.Auth must be passed as an argument to the firebase.auth.PhoneAuthProvider constructor, or the default firebase App instance must be initialized via firebase.initializeApp().");}L(this,{providerId:"phone",isOAuthProvider:!1})}
+Tg.prototype.Va=function(a,b){var c=this.a.b;return D(b.verify()).then(function(d){if(!n(d))throw new M("argument-error","An implementation of firebase.auth.ApplicationVerifier.prototype.verify() must return a firebase.Promise that resolves with a string.");switch(b.type){case "recaptcha":return Ug(c,{phoneNumber:a,recaptchaToken:d}).then(function(e){"function"===typeof b.reset&&b.reset();return e},function(e){"function"===typeof b.reset&&b.reset();throw e;});default:throw new M("argument-error",
+'Only firebase.auth.ApplicationVerifiers with type="recaptcha" are currently supported.');}})};function Vg(a,b){if(!a)throw new M("missing-verification-id");if(!b)throw new M("missing-verification-code");return new Og({Ua:a,Ta:b})}L(Tg,{PROVIDER_ID:"phone"});L(Tg,{PHONE_SIGN_IN_METHOD:"phone"});
+function Wg(a){if(a.temporaryProof&&a.phoneNumber)return new Og({Fa:a.temporaryProof,ba:a.phoneNumber});var b=a&&a.providerId;if(!b||"password"===b)return null;var c=a&&a.oauthAccessToken,d=a&&a.oauthTokenSecret,e=a&&a.nonce,f=a&&a.oauthIdToken,g=a&&a.pendingToken;try{switch(b){case "google.com":return Cg(f,c);case "facebook.com":return yg(c);case "github.com":return Ag(c);case "twitter.com":return Eg(c,d);default:return c||d||f||g?g?0==b.indexOf("saml.")?new mg(b,g):new sg(b,{pendingToken:g,idToken:a.oauthIdToken,
+accessToken:a.oauthAccessToken},b):(new O(b)).credential({idToken:f,accessToken:c,rawNonce:e}):null}}catch(h){return null}}function Xg(a){if(!a.isOAuthProvider)throw new M("invalid-oauth-provider");};function Yg(a,b,c,d,e,f,g){this.c=a;this.b=b||null;this.g=c||null;this.f=d||null;this.i=f||null;this.h=g||null;this.a=e||null;if(this.g||this.a){if(this.g&&this.a)throw new M("invalid-auth-event");if(this.g&&!this.f)throw new M("invalid-auth-event");}else throw new M("invalid-auth-event");}Yg.prototype.getUid=function(){var a=[];a.push(this.c);this.b&&a.push(this.b);this.f&&a.push(this.f);this.h&&a.push(this.h);return a.join("-")};Yg.prototype.R=function(){return this.h};
+Yg.prototype.A=function(){return{type:this.c,eventId:this.b,urlResponse:this.g,sessionId:this.f,postBody:this.i,tenantId:this.h,error:this.a&&this.a.A()}};function Zg(a){a=a||{};return a.type?new Yg(a.type,a.eventId,a.urlResponse,a.sessionId,a.error&&pf(a.error),a.postBody,a.tenantId):null};/*
+
+ Copyright 2018 Google Inc.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+   http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+function $g(){this.b=null;this.a=[]}var ah=null;function bh(a){var b=ah;b.a.push(a);b.b||(b.b=function(c){for(var d=0;d<b.a.length;d++)b.a[d](c)},a=J("universalLinks.subscribe",l),"function"===typeof a&&a(null,b.b))};function ch(a){var b="unauthorized-domain",c=void 0,d=Ld(a);a=d.b;d=d.f;"chrome-extension"==d?c=Hb("This chrome extension ID (chrome-extension://%s) is not authorized to run this operation. Add it to the OAuth redirect domains list in the Firebase console -> Auth section -> Sign in method tab.",a):"http"==d||"https"==d?c=Hb("This domain (%s) is not authorized to run this operation. Add it to the OAuth redirect domains list in the Firebase console -> Auth section -> Sign in method tab.",a):b="operation-not-supported-in-this-environment";
+M.call(this,b,c)}v(ch,M);function dh(a,b,c){M.call(this,a,c);a=b||{};a.Ab&&K(this,"email",a.Ab);a.ba&&K(this,"phoneNumber",a.ba);a.credential&&K(this,"credential",a.credential);a.Qb&&K(this,"tenantId",a.Qb)}v(dh,M);dh.prototype.A=function(){var a={code:this.code,message:this.message};this.email&&(a.email=this.email);this.phoneNumber&&(a.phoneNumber=this.phoneNumber);this.tenantId&&(a.tenantId=this.tenantId);var b=this.credential&&this.credential.A();b&&Wa(a,b);return a};dh.prototype.toJSON=function(){return this.A()};
+function eh(a){if(a.code){var b=a.code||"";0==b.indexOf(nf)&&(b=b.substring(nf.length));var c={credential:Wg(a),Qb:a.tenantId};if(a.email)c.Ab=a.email;else if(a.phoneNumber)c.ba=a.phoneNumber;else if(!c.credential)return new M(b,a.message||void 0);return new dh(b,c,a.message)}return null};function fh(){}fh.prototype.c=null;function gh(a){return a.c||(a.c=a.b())};var hh;function ih(){}v(ih,fh);ih.prototype.a=function(){var a=jh(this);return a?new ActiveXObject(a):new XMLHttpRequest};ih.prototype.b=function(){var a={};jh(this)&&(a[0]=!0,a[1]=!0);return a};
+function jh(a){if(!a.f&&"undefined"==typeof XMLHttpRequest&&"undefined"!=typeof ActiveXObject){for(var b=["MSXML2.XMLHTTP.6.0","MSXML2.XMLHTTP.3.0","MSXML2.XMLHTTP","Microsoft.XMLHTTP"],c=0;c<b.length;c++){var d=b[c];try{return new ActiveXObject(d),a.f=d}catch(e){}}throw Error("Could not create ActiveXObject. ActiveX might be disabled, or MSXML might not be installed");}return a.f}hh=new ih;function kh(){}v(kh,fh);kh.prototype.a=function(){var a=new XMLHttpRequest;if("withCredentials"in a)return a;if("undefined"!=typeof XDomainRequest)return new lh;throw Error("Unsupported browser");};kh.prototype.b=function(){return{}};
+function lh(){this.a=new XDomainRequest;this.readyState=0;this.onreadystatechange=null;this.responseType=this.responseText=this.response="";this.status=-1;this.statusText="";this.a.onload=t(this.fc,this);this.a.onerror=t(this.Ib,this);this.a.onprogress=t(this.gc,this);this.a.ontimeout=t(this.kc,this)}k=lh.prototype;k.open=function(a,b,c){if(null!=c&&!c)throw Error("Only async requests are supported.");this.a.open(a,b)};
+k.send=function(a){if(a)if("string"==typeof a)this.a.send(a);else throw Error("Only string data is supported");else this.a.send()};k.abort=function(){this.a.abort()};k.setRequestHeader=function(){};k.getResponseHeader=function(a){return"content-type"==a.toLowerCase()?this.a.contentType:""};k.fc=function(){this.status=200;this.response=this.responseText=this.a.responseText;mh(this,4)};k.Ib=function(){this.status=500;this.response=this.responseText="";mh(this,4)};k.kc=function(){this.Ib()};
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+function yh(a){xh||(xh=new ph(""),wh[""]=xh,xh.c=th);var b;if(!(b=wh[a])){b=new ph(a);var c=a.lastIndexOf("."),d=a.substr(c+1);c=yh(a.substr(0,c));c.b||(c.b={});c.b[d]=b;b.a=c;wh[a]=b}return b};function zh(a,b){a&&a.log(uh,b,void 0)};function Ah(a){this.f=a}v(Ah,fh);Ah.prototype.a=function(){return new Bh(this.f)};Ah.prototype.b=function(a){return function(){return a}}({});function Bh(a){G.call(this);this.o=a;this.readyState=Ch;this.status=0;this.responseType=this.responseText=this.response=this.statusText="";this.onreadystatechange=null;this.i=new Headers;this.b=null;this.m="GET";this.g="";this.a=!1;this.h=yh("goog.net.FetchXmlHttp");this.l=this.c=this.f=null}v(Bh,G);var Ch=0;k=Bh.prototype;
+k.open=function(a,b){if(this.readyState!=Ch)throw this.abort(),Error("Error reopening a connection");this.m=a;this.g=b;this.readyState=1;Dh(this)};k.send=function(a){if(1!=this.readyState)throw this.abort(),Error("need to call open() first. ");this.a=!0;var b={headers:this.i,method:this.m,credentials:void 0,cache:void 0};a&&(b.body=a);this.o.fetch(new Request(this.g,b)).then(this.jc.bind(this),this.Ma.bind(this))};
+k.abort=function(){this.response=this.responseText="";this.i=new Headers;this.status=0;this.c&&this.c.cancel("Request was aborted.");1<=this.readyState&&this.a&&4!=this.readyState&&(this.a=!1,Eh(this,!1));this.readyState=Ch};
+k.jc=function(a){this.a&&(this.f=a,this.b||(this.b=a.headers,this.readyState=2,Dh(this)),this.a&&(this.readyState=3,Dh(this),this.a&&("arraybuffer"===this.responseType?a.arrayBuffer().then(this.hc.bind(this),this.Ma.bind(this)):"undefined"!==typeof l.ReadableStream&&"body"in a?(this.response=this.responseText="",this.c=a.body.getReader(),this.l=new TextDecoder,Fh(this)):a.text().then(this.ic.bind(this),this.Ma.bind(this)))))};function Fh(a){a.c.read().then(a.ec.bind(a)).catch(a.Ma.bind(a))}
+k.ec=function(a){if(this.a){var b=this.l.decode(a.value?a.value:new Uint8Array(0),{stream:!a.done});b&&(this.response=this.responseText+=b);a.done?Eh(this,!0):Dh(this);3==this.readyState&&Fh(this)}};k.ic=function(a){this.a&&(this.response=this.responseText=a,Eh(this,!0))};k.hc=function(a){this.a&&(this.response=a,Eh(this,!0))};k.Ma=function(a){var b=this.h;b&&b.log(sh,"Failed to fetch url "+this.g,a instanceof Error?a:Error(a));this.a&&Eh(this,!0)};
+function Eh(a,b){b&&a.f&&(a.status=a.f.status,a.statusText=a.f.statusText);a.readyState=4;a.f=null;a.c=null;a.l=null;Dh(a)}k.setRequestHeader=function(a,b){this.i.append(a,b)};k.getResponseHeader=function(a){return this.b?this.b.get(a.toLowerCase())||"":((a=this.h)&&a.log(sh,"Attempting to get response header but no headers have been received for url: "+this.g,void 0),"")};
+k.getAllResponseHeaders=function(){if(!this.b){var a=this.h;a&&a.log(sh,"Attempting to get all response headers but no headers have been received for url: "+this.g,void 0);return""}a=[];for(var b=this.b.entries(),c=b.next();!c.done;)c=c.value,a.push(c[0]+": "+c[1]),c=b.next();return a.join("\r\n")};function Dh(a){a.onreadystatechange&&a.onreadystatechange.call(a)};function Gh(a){G.call(this);this.headers=new rd;this.B=a||null;this.c=!1;this.w=this.a=null;this.h=this.O=this.l="";this.f=this.J=this.i=this.I=!1;this.g=0;this.o=null;this.m=Hh;this.v=this.P=!1}v(Gh,G);var Hh="";Gh.prototype.b=yh("goog.net.XhrIo");var Ih=/^https?$/i,Jh=["POST","PUT"];
+function Kh(a,b,c,d,e){if(a.a)throw Error("[goog.net.XhrIo] Object is active with another request="+a.l+"; newUri="+b);c=c?c.toUpperCase():"GET";a.l=b;a.h="";a.O=c;a.I=!1;a.c=!0;a.a=a.B?a.B.a():hh.a();a.w=a.B?gh(a.B):gh(hh);a.a.onreadystatechange=t(a.Lb,a);try{zh(a.b,Lh(a,"Opening Xhr")),a.J=!0,a.a.open(c,String(b),!0),a.J=!1}catch(g){zh(a.b,Lh(a,"Error opening Xhr: "+g.message));Mh(a,g);return}b=d||"";var f=new rd(a.headers);e&&qd(e,function(g,h){f.set(h,g)});e=La(f.X());d=l.FormData&&b instanceof
+l.FormData;!Na(Jh,c)||e||d||f.set("Content-Type","application/x-www-form-urlencoded;charset=utf-8");f.forEach(function(g,h){this.a.setRequestHeader(h,g)},a);a.m&&(a.a.responseType=a.m);"withCredentials"in a.a&&a.a.withCredentials!==a.P&&(a.a.withCredentials=a.P);try{Nh(a),0<a.g&&(a.v=Oh(a.a),zh(a.b,Lh(a,"Will abort after "+a.g+"ms if incomplete, xhr2 "+a.v)),a.v?(a.a.timeout=a.g,a.a.ontimeout=t(a.Ga,a)):a.o=md(a.Ga,a.g,a)),zh(a.b,Lh(a,"Sending request")),a.i=!0,a.a.send(b),a.i=!1}catch(g){zh(a.b,
+Lh(a,"Send error: "+g.message)),Mh(a,g)}}function Oh(a){return uc&&Ec(9)&&"number"==typeof a.timeout&&void 0!==a.ontimeout}function Ma(a){return"content-type"==a.toLowerCase()}k=Gh.prototype;k.Ga=function(){"undefined"!=typeof fa&&this.a&&(this.h="Timed out after "+this.g+"ms, aborting",zh(this.b,Lh(this,this.h)),this.dispatchEvent("timeout"),this.abort(8))};function Mh(a,b){a.c=!1;a.a&&(a.f=!0,a.a.abort(),a.f=!1);a.h=b;Ph(a);Qh(a)}
+function Ph(a){a.I||(a.I=!0,a.dispatchEvent("complete"),a.dispatchEvent("error"))}k.abort=function(){this.a&&this.c&&(zh(this.b,Lh(this,"Aborting")),this.c=!1,this.f=!0,this.a.abort(),this.f=!1,this.dispatchEvent("complete"),this.dispatchEvent("abort"),Qh(this))};k.xa=function(){this.a&&(this.c&&(this.c=!1,this.f=!0,this.a.abort(),this.f=!1),Qh(this,!0));Gh.qb.xa.call(this)};k.Lb=function(){this.ta||(this.J||this.i||this.f?Rh(this):this.yc())};k.yc=function(){Rh(this)};
+function Rh(a){if(a.c&&"undefined"!=typeof fa)if(a.w[1]&&4==Sh(a)&&2==Th(a))zh(a.b,Lh(a,"Local request error detected and ignored"));else if(a.i&&4==Sh(a))md(a.Lb,0,a);else if(a.dispatchEvent("readystatechange"),4==Sh(a)){zh(a.b,Lh(a,"Request complete"));a.c=!1;try{var b=Th(a);a:switch(b){case 200:case 201:case 202:case 204:case 206:case 304:case 1223:var c=!0;break a;default:c=!1}var d;if(!(d=c)){var e;if(e=0===b){var f=String(a.l).match(ud)[1]||null;if(!f&&l.self&&l.self.location){var g=l.self.location.protocol;
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+function Nh(a){a.a&&a.v&&(a.a.ontimeout=null);a.o&&(l.clearTimeout(a.o),a.o=null)}function Sh(a){return a.a?a.a.readyState:0}function Th(a){try{return 2<Sh(a)?a.a.status:-1}catch(b){return-1}}function Uh(a){try{return a.a?a.a.responseText:""}catch(b){return zh(a.b,"Can not get responseText: "+b.message),""}}
+k.getResponse=function(){try{if(!this.a)return null;if("response"in this.a)return this.a.response;switch(this.m){case Hh:case "text":return this.a.responseText;case "arraybuffer":if("mozResponseArrayBuffer"in this.a)return this.a.mozResponseArrayBuffer}var a=this.b;a&&a.log(rh,"Response type "+this.m+" is not supported on this browser",void 0);return null}catch(b){return zh(this.b,"Can not get response: "+b.message),null}};function Lh(a,b){return b+" ["+a.O+" "+a.l+" "+Th(a)+"]"};/*
+ Portions of this code are from MochiKit, received by
+ The Closure Authors under the MIT license. All other code is Copyright
+ 2005-2009 The Closure Authors. All Rights Reserved.
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+})();}).apply(typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : typeof window !== 'undefined' ? window : {});
+
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node_modules/@firebase/auth/dist/auth.js

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+ Copyright 2017 Google Inc.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+   http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
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+ limitations under the License.
+*/
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+function Pf(){if(!Lf){Lf={};Mf={};for(var a=0;65>a;a++)Lf[a]="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=".charAt(a),Mf[Lf[a]]=a,62<=a&&(Mf["ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_.".charAt(a)]=a)}};function Qf(a){this.f=a.sub;ua();this.a=a.provider_id||a.firebase&&a.firebase.sign_in_provider||null;this.c=a.firebase&&a.firebase.tenant||null;this.b=!!a.is_anonymous||"anonymous"==this.a}Qf.prototype.R=function(){return this.c};Qf.prototype.g=function(){return this.b};function Rf(a){return(a=Sf(a))&&a.sub&&a.iss&&a.aud&&a.exp?new Qf(a):null}
+function Sf(a){if(!a)return null;a=a.split(".");if(3!=a.length)return null;a=a[1];for(var b=(4-a.length%4)%4,c=0;c<b;c++)a+=".";try{return JSON.parse(Nf(a))}catch(d){}return null};var Tf={ad:{bb:"https://www.googleapis.com/identitytoolkit/v3/relyingparty/",ib:"https://securetoken.googleapis.com/v1/token",id:"p"},cd:{bb:"https://staging-www.sandbox.googleapis.com/identitytoolkit/v3/relyingparty/",ib:"https://staging-securetoken.sandbox.googleapis.com/v1/token",id:"s"},dd:{bb:"https://www-googleapis-test.sandbox.google.com/identitytoolkit/v3/relyingparty/",ib:"https://test-securetoken.sandbox.googleapis.com/v1/token",id:"t"}};
+function Uf(a){for(var b in Tf)if(Tf[b].id===a)return a=Tf[b],{firebaseEndpoint:a.bb,secureTokenEndpoint:a.ib};return null}var Vf;Vf=Uf("__EID__")?"__EID__":void 0;var Wf="oauth_consumer_key oauth_nonce oauth_signature oauth_signature_method oauth_timestamp oauth_token oauth_version".split(" "),Xf=["client_id","response_type","scope","redirect_uri","state"],Yf={Wc:{Oa:"locale",Da:500,Ca:600,Pa:"facebook.com",hb:Xf},Yc:{Oa:null,Da:500,Ca:620,Pa:"github.com",hb:Xf},Zc:{Oa:"hl",Da:515,Ca:680,Pa:"google.com",hb:Xf},ed:{Oa:"lang",Da:485,Ca:705,Pa:"twitter.com",hb:Wf}};function Zf(a){for(var b in Yf)if(Yf[b].Pa==a)return Yf[b];return null};function $f(a){var b={};b["facebook.com"]=ag;b["google.com"]=bg;b["github.com"]=cg;b["twitter.com"]=dg;var c=a&&a[eg];try{if(c)return b[c]?new b[c](a):new fg(a);if("undefined"!==typeof a[gg])return new hg(a)}catch(d){}return null}var gg="idToken",eg="providerId";
+function hg(a){var b=a[eg];if(!b&&a[gg]){var c=Rf(a[gg]);c&&c.a&&(b=c.a)}if(!b)throw Error("Invalid additional user info!");if("anonymous"==b||"custom"==b)b=null;c=!1;"undefined"!==typeof a.isNewUser?c=!!a.isNewUser:"identitytoolkit#SignupNewUserResponse"===a.kind&&(c=!0);K(this,"providerId",b);K(this,"isNewUser",c)}function fg(a){hg.call(this,a);a=Me(a.rawUserInfo||"{}");K(this,"profile",cf(a||{}))}v(fg,hg);
+function ag(a){fg.call(this,a);if("facebook.com"!=this.providerId)throw Error("Invalid provider ID!");}v(ag,fg);function cg(a){fg.call(this,a);if("github.com"!=this.providerId)throw Error("Invalid provider ID!");K(this,"username",this.profile&&this.profile.login||null)}v(cg,fg);function bg(a){fg.call(this,a);if("google.com"!=this.providerId)throw Error("Invalid provider ID!");}v(bg,fg);
+function dg(a){fg.call(this,a);if("twitter.com"!=this.providerId)throw Error("Invalid provider ID!");K(this,"username",a.screenName||null)}v(dg,fg);function ig(a){var b=Ld(a),c=Kd(b,"link"),d=Kd(Ld(c),"link");b=Kd(b,"deep_link_id");return Kd(Ld(b),"link")||b||d||c||a};function jg(){}function kg(a,b){return a.then(function(c){if(c[lg]){var d=Rf(c[lg]);if(!d||b!=d.f)throw new M("user-mismatch");return c}throw new M("user-mismatch");}).s(function(c){throw c&&c.code&&c.code==nf+"user-not-found"?new M("user-mismatch"):c;})}function mg(a,b){if(b)this.a=b;else throw new M("internal-error","failed to construct a credential");K(this,"providerId",a);K(this,"signInMethod",a)}mg.prototype.na=function(a){return ng(a,og(this))};
+mg.prototype.b=function(a,b){var c=og(this);c.idToken=b;return pg(a,c)};mg.prototype.f=function(a,b){return kg(qg(a,og(this)),b)};function og(a){return{pendingToken:a.a,requestUri:"http://localhost"}}mg.prototype.A=function(){return{providerId:this.providerId,signInMethod:this.signInMethod,pendingToken:this.a}};function rg(a){if(a&&a.providerId&&a.signInMethod&&0==a.providerId.indexOf("saml.")&&a.pendingToken)try{return new mg(a.providerId,a.pendingToken)}catch(b){}return null}
+function sg(a,b,c){this.a=null;if(b.idToken||b.accessToken)b.idToken&&K(this,"idToken",b.idToken),b.accessToken&&K(this,"accessToken",b.accessToken),b.nonce&&!b.pendingToken&&K(this,"nonce",b.nonce),b.pendingToken&&(this.a=b.pendingToken);else if(b.oauthToken&&b.oauthTokenSecret)K(this,"accessToken",b.oauthToken),K(this,"secret",b.oauthTokenSecret);else throw new M("internal-error","failed to construct a credential");K(this,"providerId",a);K(this,"signInMethod",c)}
+sg.prototype.na=function(a){return ng(a,tg(this))};sg.prototype.b=function(a,b){var c=tg(this);c.idToken=b;return pg(a,c)};sg.prototype.f=function(a,b){var c=tg(this);return kg(qg(a,c),b)};
+function tg(a){var b={};a.idToken&&(b.id_token=a.idToken);a.accessToken&&(b.access_token=a.accessToken);a.secret&&(b.oauth_token_secret=a.secret);b.providerId=a.providerId;a.nonce&&!a.a&&(b.nonce=a.nonce);b={postBody:Pd(b).toString(),requestUri:"http://localhost"};a.a&&(delete b.postBody,b.pendingToken=a.a);return b}
+sg.prototype.A=function(){var a={providerId:this.providerId,signInMethod:this.signInMethod};this.idToken&&(a.oauthIdToken=this.idToken);this.accessToken&&(a.oauthAccessToken=this.accessToken);this.secret&&(a.oauthTokenSecret=this.secret);this.nonce&&(a.nonce=this.nonce);this.a&&(a.pendingToken=this.a);return a};
+function ug(a){if(a&&a.providerId&&a.signInMethod){var b={idToken:a.oauthIdToken,accessToken:a.oauthTokenSecret?null:a.oauthAccessToken,oauthTokenSecret:a.oauthTokenSecret,oauthToken:a.oauthTokenSecret&&a.oauthAccessToken,nonce:a.nonce,pendingToken:a.pendingToken};try{return new sg(a.providerId,b,a.signInMethod)}catch(c){}}return null}function vg(a,b){this.Fc=b||[];L(this,{providerId:a,isOAuthProvider:!0});this.zb={};this.cb=(Zf(a)||{}).Oa||null;this.ab=null}
+vg.prototype.Ea=function(a){this.zb=Ua(a);return this};function wg(a){if("string"!==typeof a||0!=a.indexOf("saml."))throw new M("argument-error",'SAML provider IDs must be prefixed with "saml."');vg.call(this,a,[])}v(wg,vg);function O(a){vg.call(this,a,Xf);this.a=[]}v(O,vg);O.prototype.wa=function(a){Na(this.a,a)||this.a.push(a);return this};O.prototype.Hb=function(){return Ra(this.a)};
+O.prototype.credential=function(a,b){var c;r(a)?c={idToken:a.idToken||null,accessToken:a.accessToken||null,nonce:a.rawNonce||null}:c={idToken:a||null,accessToken:b||null};if(!c.idToken&&!c.accessToken)throw new M("argument-error","credential failed: must provide the ID token and/or the access token.");return new sg(this.providerId,c,this.providerId)};function xg(){O.call(this,"facebook.com")}v(xg,O);K(xg,"PROVIDER_ID","facebook.com");K(xg,"FACEBOOK_SIGN_IN_METHOD","facebook.com");
+function yg(a){if(!a)throw new M("argument-error","credential failed: expected 1 argument (the OAuth access token).");var b=a;r(a)&&(b=a.accessToken);return(new xg).credential({accessToken:b})}function zg(){O.call(this,"github.com")}v(zg,O);K(zg,"PROVIDER_ID","github.com");K(zg,"GITHUB_SIGN_IN_METHOD","github.com");
+function Ag(a){if(!a)throw new M("argument-error","credential failed: expected 1 argument (the OAuth access token).");var b=a;r(a)&&(b=a.accessToken);return(new zg).credential({accessToken:b})}function Bg(){O.call(this,"google.com");this.wa("profile")}v(Bg,O);K(Bg,"PROVIDER_ID","google.com");K(Bg,"GOOGLE_SIGN_IN_METHOD","google.com");function Cg(a,b){var c=a;r(a)&&(c=a.idToken,b=a.accessToken);return(new Bg).credential({idToken:c,accessToken:b})}function Dg(){vg.call(this,"twitter.com",Wf)}v(Dg,vg);
+K(Dg,"PROVIDER_ID","twitter.com");K(Dg,"TWITTER_SIGN_IN_METHOD","twitter.com");function Eg(a,b){var c=a;r(c)||(c={oauthToken:a,oauthTokenSecret:b});if(!c.oauthToken||!c.oauthTokenSecret)throw new M("argument-error","credential failed: expected 2 arguments (the OAuth access token and secret).");return new sg("twitter.com",c,"twitter.com")}
+function Fg(a,b,c){this.a=a;this.c=b;K(this,"providerId","password");K(this,"signInMethod",c===Gg.EMAIL_LINK_SIGN_IN_METHOD?Gg.EMAIL_LINK_SIGN_IN_METHOD:Gg.EMAIL_PASSWORD_SIGN_IN_METHOD)}Fg.prototype.na=function(a){return this.signInMethod==Gg.EMAIL_LINK_SIGN_IN_METHOD?P(a,Hg,{email:this.a,oobCode:this.c}):P(a,Ig,{email:this.a,password:this.c})};
+Fg.prototype.b=function(a,b){return this.signInMethod==Gg.EMAIL_LINK_SIGN_IN_METHOD?P(a,Jg,{idToken:b,email:this.a,oobCode:this.c}):P(a,Kg,{idToken:b,email:this.a,password:this.c})};Fg.prototype.f=function(a,b){return kg(this.na(a),b)};Fg.prototype.A=function(){return{email:this.a,password:this.c,signInMethod:this.signInMethod}};function Lg(a){return a&&a.email&&a.password?new Fg(a.email,a.password,a.signInMethod):null}function Gg(){L(this,{providerId:"password",isOAuthProvider:!1})}
+function Mg(a,b){b=Ng(b);if(!b)throw new M("argument-error","Invalid email link!");return new Fg(a,b.code,Gg.EMAIL_LINK_SIGN_IN_METHOD)}function Ng(a){a=ig(a);return(a=yf(a))&&a.operation===hf?a:null}L(Gg,{PROVIDER_ID:"password"});L(Gg,{EMAIL_LINK_SIGN_IN_METHOD:"emailLink"});L(Gg,{EMAIL_PASSWORD_SIGN_IN_METHOD:"password"});function Og(a){if(!(a.Ua&&a.Ta||a.Fa&&a.ba))throw new M("internal-error");this.a=a;K(this,"providerId","phone");K(this,"signInMethod","phone")}Og.prototype.na=function(a){return a.Va(Pg(this))};
+Og.prototype.b=function(a,b){var c=Pg(this);c.idToken=b;return P(a,Qg,c)};Og.prototype.f=function(a,b){var c=Pg(this);c.operation="REAUTH";a=P(a,Rg,c);return kg(a,b)};Og.prototype.A=function(){var a={providerId:"phone"};this.a.Ua&&(a.verificationId=this.a.Ua);this.a.Ta&&(a.verificationCode=this.a.Ta);this.a.Fa&&(a.temporaryProof=this.a.Fa);this.a.ba&&(a.phoneNumber=this.a.ba);return a};
+function Sg(a){if(a&&"phone"===a.providerId&&(a.verificationId&&a.verificationCode||a.temporaryProof&&a.phoneNumber)){var b={};x(["verificationId","verificationCode","temporaryProof","phoneNumber"],function(c){a[c]&&(b[c]=a[c])});return new Og(b)}return null}function Pg(a){return a.a.Fa&&a.a.ba?{temporaryProof:a.a.Fa,phoneNumber:a.a.ba}:{sessionInfo:a.a.Ua,code:a.a.Ta}}
+function Tg(a){try{this.a=a||firebase.auth()}catch(b){throw new M("argument-error","Either an instance of firebase.auth.Auth must be passed as an argument to the firebase.auth.PhoneAuthProvider constructor, or the default firebase App instance must be initialized via firebase.initializeApp().");}L(this,{providerId:"phone",isOAuthProvider:!1})}
+Tg.prototype.Va=function(a,b){var c=this.a.b;return D(b.verify()).then(function(d){if(!n(d))throw new M("argument-error","An implementation of firebase.auth.ApplicationVerifier.prototype.verify() must return a firebase.Promise that resolves with a string.");switch(b.type){case "recaptcha":return Ug(c,{phoneNumber:a,recaptchaToken:d}).then(function(e){"function"===typeof b.reset&&b.reset();return e},function(e){"function"===typeof b.reset&&b.reset();throw e;});default:throw new M("argument-error",
+'Only firebase.auth.ApplicationVerifiers with type="recaptcha" are currently supported.');}})};function Vg(a,b){if(!a)throw new M("missing-verification-id");if(!b)throw new M("missing-verification-code");return new Og({Ua:a,Ta:b})}L(Tg,{PROVIDER_ID:"phone"});L(Tg,{PHONE_SIGN_IN_METHOD:"phone"});
+function Wg(a){if(a.temporaryProof&&a.phoneNumber)return new Og({Fa:a.temporaryProof,ba:a.phoneNumber});var b=a&&a.providerId;if(!b||"password"===b)return null;var c=a&&a.oauthAccessToken,d=a&&a.oauthTokenSecret,e=a&&a.nonce,f=a&&a.oauthIdToken,g=a&&a.pendingToken;try{switch(b){case "google.com":return Cg(f,c);case "facebook.com":return yg(c);case "github.com":return Ag(c);case "twitter.com":return Eg(c,d);default:return c||d||f||g?g?0==b.indexOf("saml.")?new mg(b,g):new sg(b,{pendingToken:g,idToken:a.oauthIdToken,
+accessToken:a.oauthAccessToken},b):(new O(b)).credential({idToken:f,accessToken:c,rawNonce:e}):null}}catch(h){return null}}function Xg(a){if(!a.isOAuthProvider)throw new M("invalid-oauth-provider");};function Yg(a,b,c,d,e,f,g){this.c=a;this.b=b||null;this.g=c||null;this.f=d||null;this.i=f||null;this.h=g||null;this.a=e||null;if(this.g||this.a){if(this.g&&this.a)throw new M("invalid-auth-event");if(this.g&&!this.f)throw new M("invalid-auth-event");}else throw new M("invalid-auth-event");}Yg.prototype.getUid=function(){var a=[];a.push(this.c);this.b&&a.push(this.b);this.f&&a.push(this.f);this.h&&a.push(this.h);return a.join("-")};Yg.prototype.R=function(){return this.h};
+Yg.prototype.A=function(){return{type:this.c,eventId:this.b,urlResponse:this.g,sessionId:this.f,postBody:this.i,tenantId:this.h,error:this.a&&this.a.A()}};function Zg(a){a=a||{};return a.type?new Yg(a.type,a.eventId,a.urlResponse,a.sessionId,a.error&&pf(a.error),a.postBody,a.tenantId):null};/*
+
+ Copyright 2018 Google Inc.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+   http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+function $g(){this.b=null;this.a=[]}var ah=null;function bh(a){var b=ah;b.a.push(a);b.b||(b.b=function(c){for(var d=0;d<b.a.length;d++)b.a[d](c)},a=J("universalLinks.subscribe",l),"function"===typeof a&&a(null,b.b))};function ch(a){var b="unauthorized-domain",c=void 0,d=Ld(a);a=d.b;d=d.f;"chrome-extension"==d?c=Hb("This chrome extension ID (chrome-extension://%s) is not authorized to run this operation. Add it to the OAuth redirect domains list in the Firebase console -> Auth section -> Sign in method tab.",a):"http"==d||"https"==d?c=Hb("This domain (%s) is not authorized to run this operation. Add it to the OAuth redirect domains list in the Firebase console -> Auth section -> Sign in method tab.",a):b="operation-not-supported-in-this-environment";
+M.call(this,b,c)}v(ch,M);function dh(a,b,c){M.call(this,a,c);a=b||{};a.Ab&&K(this,"email",a.Ab);a.ba&&K(this,"phoneNumber",a.ba);a.credential&&K(this,"credential",a.credential);a.Qb&&K(this,"tenantId",a.Qb)}v(dh,M);dh.prototype.A=function(){var a={code:this.code,message:this.message};this.email&&(a.email=this.email);this.phoneNumber&&(a.phoneNumber=this.phoneNumber);this.tenantId&&(a.tenantId=this.tenantId);var b=this.credential&&this.credential.A();b&&Wa(a,b);return a};dh.prototype.toJSON=function(){return this.A()};
+function eh(a){if(a.code){var b=a.code||"";0==b.indexOf(nf)&&(b=b.substring(nf.length));var c={credential:Wg(a),Qb:a.tenantId};if(a.email)c.Ab=a.email;else if(a.phoneNumber)c.ba=a.phoneNumber;else if(!c.credential)return new M(b,a.message||void 0);return new dh(b,c,a.message)}return null};function fh(){}fh.prototype.c=null;function gh(a){return a.c||(a.c=a.b())};var hh;function ih(){}v(ih,fh);ih.prototype.a=function(){var a=jh(this);return a?new ActiveXObject(a):new XMLHttpRequest};ih.prototype.b=function(){var a={};jh(this)&&(a[0]=!0,a[1]=!0);return a};
+function jh(a){if(!a.f&&"undefined"==typeof XMLHttpRequest&&"undefined"!=typeof ActiveXObject){for(var b=["MSXML2.XMLHTTP.6.0","MSXML2.XMLHTTP.3.0","MSXML2.XMLHTTP","Microsoft.XMLHTTP"],c=0;c<b.length;c++){var d=b[c];try{return new ActiveXObject(d),a.f=d}catch(e){}}throw Error("Could not create ActiveXObject. ActiveX might be disabled, or MSXML might not be installed");}return a.f}hh=new ih;function kh(){}v(kh,fh);kh.prototype.a=function(){var a=new XMLHttpRequest;if("withCredentials"in a)return a;if("undefined"!=typeof XDomainRequest)return new lh;throw Error("Unsupported browser");};kh.prototype.b=function(){return{}};
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+function wn(a,b,c){var d=!1;try{this.b=c||firebase.app()}catch(g){throw new M("argument-error","No firebase.app.App instance is currently initialized.");}if(this.b.options&&this.b.options.apiKey)c=this.b.options.apiKey;else throw new M("invalid-api-key");var e=this,f=null;try{f=this.b.auth().Aa()}catch(g){}try{d=this.b.auth().settings.appVerificationDisabledForTesting}catch(g){}f=firebase.SDK_VERSION?Ee(firebase.SDK_VERSION,f):null;nn.call(this,c,a,b,function(){try{var g=e.b.auth().ha()}catch(h){g=
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+function W(a,b){return{name:a||"",M:"a valid object",optional:!!b,N:r}}function An(a,b){return{name:a||"",M:"a function",optional:!!b,N:q}}function Bn(a,b){return{name:a||"",M:"null",optional:!!b,N:ma}}function Cn(){return{name:"",M:"an HTML element",optional:!1,N:function(a){return!!(a&&a instanceof Element)}}}function Dn(){return{name:"auth",M:"an instance of Firebase Auth",optional:!0,N:function(a){return!!(a&&a instanceof Km)}}}
+function En(){return{name:"app",M:"an instance of Firebase App",optional:!0,N:function(a){return!!(a&&a instanceof firebase.app.App)}}}function Fn(a){return{name:a?a+"Credential":"credential",M:a?"a valid "+a+" credential":"a valid credential",optional:!1,N:function(b){if(!b)return!1;var c=!a||b.providerId===a;return!(!b.na||!c)}}}
+function Gn(){return{name:"authProvider",M:"a valid Auth provider",optional:!1,N:function(a){return!!(a&&a.providerId&&a.hasOwnProperty&&a.hasOwnProperty("isOAuthProvider"))}}}function Hn(){return{name:"applicationVerifier",M:"an implementation of firebase.auth.ApplicationVerifier",optional:!1,N:function(a){return!!(a&&n(a.type)&&q(a.verify))}}}function X(a,b,c,d){return{name:c||"",M:a.M+" or "+b.M,optional:!!d,N:function(e){return a.N(e)||b.N(e)}}};function Y(a,b){for(var c in b){var d=b[c].name;a[d]=In(d,a[c],b[c].j)}}function Jn(a,b){for(var c in b){var d=b[c].name;d!==c&&Object.defineProperty(a,d,{get:ta(function(e){return this[e]},c),set:ta(function(e,f,g,h){xn(e,[g],[h],!0);this[f]=h},d,c,b[c].Ya),enumerable:!0})}}function Z(a,b,c,d){a[b]=In(b,c,d)}
+function In(a,b,c){function d(){var g=Array.prototype.slice.call(arguments);xn(e,c,g);return b.apply(this,g)}if(!c)return b;var e=Kn(a),f;for(f in b)d[f]=b[f];for(f in b.prototype)d.prototype[f]=b.prototype[f];return d}function Kn(a){a=a.split(".");return a[a.length-1]};Y(Km.prototype,{Xa:{name:"applyActionCode",j:[V("code")]},Ka:{name:"checkActionCode",j:[V("code")]},$a:{name:"confirmPasswordReset",j:[V("code"),V("newPassword")]},Xb:{name:"createUserWithEmailAndPassword",j:[V("email"),V("password")]},$b:{name:"fetchSignInMethodsForEmail",j:[V("email")]},oa:{name:"getRedirectResult",j:[]},qc:{name:"isSignInWithEmailLink",j:[V("emailLink")]},wc:{name:"onAuthStateChanged",j:[X(W(),An(),"nextOrObserver"),An("opt_error",!0),An("opt_completed",!0)]},xc:{name:"onIdTokenChanged",
+j:[X(W(),An(),"nextOrObserver"),An("opt_error",!0),An("opt_completed",!0)]},kb:{name:"sendPasswordResetEmail",j:[V("email"),X(W("opt_actionCodeSettings",!0),Bn(null,!0),"opt_actionCodeSettings",!0)]},lb:{name:"sendSignInLinkToEmail",j:[V("email"),W("actionCodeSettings")]},mb:{name:"setPersistence",j:[V("persistence")]},Gc:{name:"signInAndRetrieveDataWithCredential",j:[Fn()]},ob:{name:"signInAnonymously",j:[]},Ra:{name:"signInWithCredential",j:[Fn()]},Hc:{name:"signInWithCustomToken",j:[V("token")]},
+Ic:{name:"signInWithEmailAndPassword",j:[V("email"),V("password")]},Jc:{name:"signInWithEmailLink",j:[V("email"),V("emailLink",!0)]},Kc:{name:"signInWithPhoneNumber",j:[V("phoneNumber"),Hn()]},Lc:{name:"signInWithPopup",j:[Gn()]},Mc:{name:"signInWithRedirect",j:[Gn()]},Rc:{name:"updateCurrentUser",j:[X(function(a){return{name:"user",M:"an instance of Firebase User",optional:!!a,N:function(b){return!!(b&&b instanceof Q)}}}(),Bn(),"user")]},pb:{name:"signOut",j:[]},toJSON:{name:"toJSON",j:[V(null,!0)]},
+Tc:{name:"useDeviceLanguage",j:[]},Uc:{name:"verifyPasswordResetCode",j:[V("code")]}});Jn(Km.prototype,{lc:{name:"languageCode",Ya:X(V(),Bn(),"languageCode")},ti:{name:"tenantId",Ya:X(V(),Bn(),"tenantId")}});Km.Persistence=nk;Km.Persistence.LOCAL="local";Km.Persistence.SESSION="session";Km.Persistence.NONE="none";
+Y(Q.prototype,{"delete":{name:"delete",j:[]},dc:{name:"getIdTokenResult",j:[zn("opt_forceRefresh",!0)]},G:{name:"getIdToken",j:[zn("opt_forceRefresh",!0)]},rc:{name:"linkAndRetrieveDataWithCredential",j:[Fn()]},eb:{name:"linkWithCredential",j:[Fn()]},sc:{name:"linkWithPhoneNumber",j:[V("phoneNumber"),Hn()]},tc:{name:"linkWithPopup",j:[Gn()]},uc:{name:"linkWithRedirect",j:[Gn()]},Ac:{name:"reauthenticateAndRetrieveDataWithCredential",j:[Fn()]},gb:{name:"reauthenticateWithCredential",j:[Fn()]},Bc:{name:"reauthenticateWithPhoneNumber",
+j:[V("phoneNumber"),Hn()]},Cc:{name:"reauthenticateWithPopup",j:[Gn()]},Dc:{name:"reauthenticateWithRedirect",j:[Gn()]},reload:{name:"reload",j:[]},jb:{name:"sendEmailVerification",j:[X(W("opt_actionCodeSettings",!0),Bn(null,!0),"opt_actionCodeSettings",!0)]},toJSON:{name:"toJSON",j:[V(null,!0)]},Qc:{name:"unlink",j:[V("provider")]},rb:{name:"updateEmail",j:[V("email")]},sb:{name:"updatePassword",j:[V("password")]},Sc:{name:"updatePhoneNumber",j:[Fn("phone")]},tb:{name:"updateProfile",j:[W("profile")]}});
+Y(an.prototype,{execute:{name:"execute"},render:{name:"render"},reset:{name:"reset"},getResponse:{name:"getResponse"}});Y($m.prototype,{execute:{name:"execute"},render:{name:"render"},reset:{name:"reset"},getResponse:{name:"getResponse"}});Y(B.prototype,{ka:{name:"finally"},s:{name:"catch"},then:{name:"then"}});Jn(Al.prototype,{appVerificationDisabled:{name:"appVerificationDisabledForTesting",Ya:zn("appVerificationDisabledForTesting")}});Y(Bl.prototype,{confirm:{name:"confirm",j:[V("verificationCode")]}});
+Z(jg,"fromJSON",function(a){a=n(a)?JSON.parse(a):a;for(var b,c=[ug,Lg,Sg,rg],d=0;d<c.length;d++)if(b=c[d](a))return b;return null},[X(V(),W(),"json")]);Z(Gg,"credential",function(a,b){return new Fg(a,b)},[V("email"),V("password")]);Y(Fg.prototype,{A:{name:"toJSON",j:[V(null,!0)]}});Y(xg.prototype,{wa:{name:"addScope",j:[V("scope")]},Ea:{name:"setCustomParameters",j:[W("customOAuthParameters")]}});Z(xg,"credential",yg,[X(V(),W(),"token")]);Z(Gg,"credentialWithLink",Mg,[V("email"),V("emailLink")]);
+Y(zg.prototype,{wa:{name:"addScope",j:[V("scope")]},Ea:{name:"setCustomParameters",j:[W("customOAuthParameters")]}});Z(zg,"credential",Ag,[X(V(),W(),"token")]);Y(Bg.prototype,{wa:{name:"addScope",j:[V("scope")]},Ea:{name:"setCustomParameters",j:[W("customOAuthParameters")]}});Z(Bg,"credential",Cg,[X(V(),X(W(),Bn()),"idToken"),X(V(),Bn(),"accessToken",!0)]);Y(Dg.prototype,{Ea:{name:"setCustomParameters",j:[W("customOAuthParameters")]}});Z(Dg,"credential",Eg,[X(V(),W(),"token"),V("secret",!0)]);
+Y(O.prototype,{wa:{name:"addScope",j:[V("scope")]},credential:{name:"credential",j:[X(V(),X(W(),Bn()),"optionsOrIdToken"),X(V(),Bn(),"accessToken",!0)]},Ea:{name:"setCustomParameters",j:[W("customOAuthParameters")]}});Y(sg.prototype,{A:{name:"toJSON",j:[V(null,!0)]}});Y(mg.prototype,{A:{name:"toJSON",j:[V(null,!0)]}});Z(Tg,"credential",Vg,[V("verificationId"),V("verificationCode")]);Y(Tg.prototype,{Va:{name:"verifyPhoneNumber",j:[V("phoneNumber"),Hn()]}});
+Y(Og.prototype,{A:{name:"toJSON",j:[V(null,!0)]}});Y(M.prototype,{toJSON:{name:"toJSON",j:[V(null,!0)]}});Y(dh.prototype,{toJSON:{name:"toJSON",j:[V(null,!0)]}});Y(ch.prototype,{toJSON:{name:"toJSON",j:[V(null,!0)]}});Y(wn.prototype,{clear:{name:"clear",j:[]},render:{name:"render",j:[]},verify:{name:"verify",j:[]}});Z(qf,"parseLink",yf,[V("link")]);
+(function(){if("undefined"!==typeof firebase&&firebase.INTERNAL&&firebase.INTERNAL.registerService){var a={ActionCodeInfo:{Operation:{EMAIL_SIGNIN:hf,PASSWORD_RESET:"PASSWORD_RESET",RECOVER_EMAIL:"RECOVER_EMAIL",VERIFY_EMAIL:"VERIFY_EMAIL"}},Auth:Km,AuthCredential:jg,Error:M};Z(a,"EmailAuthProvider",Gg,[]);Z(a,"FacebookAuthProvider",xg,[]);Z(a,"GithubAuthProvider",zg,[]);Z(a,"GoogleAuthProvider",Bg,[]);Z(a,"TwitterAuthProvider",Dg,[]);Z(a,"OAuthProvider",O,[V("providerId")]);Z(a,"SAMLAuthProvider",
+wg,[V("providerId")]);Z(a,"PhoneAuthProvider",Tg,[Dn()]);Z(a,"RecaptchaVerifier",wn,[X(V(),Cn(),"recaptchaContainer"),W("recaptchaParameters",!0),En()]);Z(a,"ActionCodeURL",qf,[]);firebase.INTERNAL.registerService("auth",function(b,c){b=new Km(b);c({INTERNAL:{getUid:t(b.getUid,b),getToken:t(b.cc,b),addAuthTokenListener:t(b.Wb,b),removeAuthTokenListener:t(b.Ec,b)}});return b},a,function(b,c){if("create"===b)try{c.auth()}catch(d){}});firebase.INTERNAL.extendNamespace({User:Q})}else throw Error("Cannot find the firebase namespace; be sure to include firebase-app.js before this library.");
+})();}).apply(typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : typeof window !== 'undefined' ? window : {});
+
+//# sourceMappingURL=auth.js.map

node_modules/@firebase/auth/index.d.ts

@@ -0,0 +1,18 @@
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import "@firebase/auth-types";

node_modules/@firebase/auth/package.json

@@ -0,0 +1,77 @@
+{
+  "_from": "@firebase/auth@0.12.0",
+  "_id": "@firebase/auth@0.12.0",
+  "_inBundle": false,
+  "_integrity": "sha512-DGYvAmz2aUmrWYS3ADw/UmsuicxJi6G+X38XITqNPUrd1YxmM5SBzX19oEb9WCrJZXcr4JaESg6hQkT2yEPaCA==",
+  "_location": "/@firebase/auth",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "version",
+    "registry": true,
+    "raw": "@firebase/auth@0.12.0",
+    "name": "@firebase/auth",
+    "escapedName": "@firebase%2fauth",
+    "scope": "@firebase",
+    "rawSpec": "0.12.0",
+    "saveSpec": null,
+    "fetchSpec": "0.12.0"
+  },
+  "_requiredBy": [
+    "/firebase"
+  ],
+  "_resolved": "https://registry.npmjs.org/@firebase/auth/-/auth-0.12.0.tgz",
+  "_shasum": "e721323f8753f03b7387d899406c6f9e72f65876",
+  "_spec": "@firebase/auth@0.12.0",
+  "_where": "C:\\Users\\matia\\Documents\\GitHub\\FutoX-Musix\\node_modules\\firebase",
+  "author": {
+    "name": "Firebase",
+    "email": "firebase-support@google.com",
+    "url": "https://firebase.google.com/"
+  },
+  "bugs": {
+    "url": "https://github.com/firebase/firebase-js-sdk/issues"
+  },
+  "bundleDependencies": false,
+  "dependencies": {
+    "@firebase/auth-types": "0.8.0"
+  },
+  "deprecated": false,
+  "description": "Javascript library for Firebase Auth SDK",
+  "devDependencies": {
+    "del": "5.1.0",
+    "express": "4.17.1",
+    "firebase-functions": "3.2.0",
+    "firebase-tools": "7.3.0",
+    "google-closure-compiler": "20190709.0.0",
+    "google-closure-library": "20190709.0.0",
+    "gulp": "4.0.2",
+    "gulp-sourcemaps": "2.6.5",
+    "protractor": "5.4.2"
+  },
+  "files": [
+    "dist",
+    "index.d.ts"
+  ],
+  "homepage": "https://github.com/firebase/firebase-js-sdk#readme",
+  "license": "Apache-2.0",
+  "main": "dist/auth.js",
+  "module": "dist/auth.esm.js",
+  "name": "@firebase/auth",
+  "peerDependencies": {
+    "@firebase/app": "0.x"
+  },
+  "repository": {
+    "directory": "packages/auth",
+    "type": "git",
+    "url": "git+https://github.com/firebase/firebase-js-sdk.git"
+  },
+  "scripts": {
+    "build": "gulp",
+    "demo": "./buildtools/run_demo.sh",
+    "generate-test-files": "./buildtools/generate_test_files.sh",
+    "prepare": "yarn build",
+    "serve": "yarn build && yarn generate-test-files && gulp serve",
+    "test": "yarn generate-test-files && ./buildtools/run_tests.sh"
+  },
+  "version": "0.12.0"
+}

node_modules/@firebase/database-types/README.md

@@ -0,0 +1,3 @@
+# @firebase/database-types
+
+**This package is not intended for direct usage, and should only be used via the officially supported [firebase](https://www.npmjs.com/package/firebase) package.**

node_modules/@firebase/database-types/index.d.ts

@@ -0,0 +1,134 @@
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { FirebaseApp } from '@firebase/app-types';
+
+export interface DataSnapshot {
+  child(path: string): DataSnapshot;
+  exists(): boolean;
+  exportVal(): any;
+  forEach(action: (a: DataSnapshot) => boolean | void): boolean;
+  getPriority(): string | number | null;
+  hasChild(path: string): boolean;
+  hasChildren(): boolean;
+  key: string | null;
+  numChildren(): number;
+  ref: Reference;
+  toJSON(): Object | null;
+  val(): any;
+}
+
+export class FirebaseDatabase {
+  private constructor();
+
+  app: FirebaseApp;
+  goOffline(): void;
+  goOnline(): void;
+  ref(path?: string | Reference): Reference;
+  refFromURL(url: string): Reference;
+}
+
+export interface OnDisconnect {
+  cancel(onComplete?: (a: Error | null) => any): Promise<void>;
+  remove(onComplete?: (a: Error | null) => any): Promise<void>;
+  set(value: any, onComplete?: (a: Error | null) => any): Promise<void>;
+  setWithPriority(
+    value: any,
+    priority: number | string | null,
+    onComplete?: (a: Error | null) => any
+  ): Promise<any>;
+  update(values: Object, onComplete?: (a: Error | null) => any): Promise<any>;
+}
+
+type EventType =
+  | 'value'
+  | 'child_added'
+  | 'child_changed'
+  | 'child_moved'
+  | 'child_removed';
+
+export interface Query {
+  endAt(value: number | string | boolean | null, key?: string): Query;
+  equalTo(value: number | string | boolean | null, key?: string): Query;
+  isEqual(other: Query | null): boolean;
+  limitToFirst(limit: number): Query;
+  limitToLast(limit: number): Query;
+  off(
+    eventType?: EventType,
+    callback?: (a: DataSnapshot, b?: string | null) => any,
+    context?: Object | null
+  ): void;
+  on(
+    eventType: EventType,
+    callback: (a: DataSnapshot, b?: string | null) => any,
+    cancelCallbackOrContext?: ((a: Error) => any) | Object | null,
+    context?: Object | null
+  ): (a: DataSnapshot, b?: string | null) => any;
+  once(
+    eventType: EventType,
+    successCallback?: (a: DataSnapshot, b?: string | null) => any,
+    failureCallbackOrContext?: ((a: Error) => void) | Object | null,
+    context?: Object | null
+  ): Promise<DataSnapshot>;
+  orderByChild(path: string): Query;
+  orderByKey(): Query;
+  orderByPriority(): Query;
+  orderByValue(): Query;
+  ref: Reference;
+  startAt(value: number | string | boolean | null, key?: string): Query;
+  toJSON(): Object;
+  toString(): string;
+}
+
+export interface Reference extends Query {
+  child(path: string): Reference;
+  key: string | null;
+  onDisconnect(): OnDisconnect;
+  parent: Reference | null;
+  push(value?: any, onComplete?: (a: Error | null) => any): ThenableReference;
+  remove(onComplete?: (a: Error | null) => any): Promise<any>;
+  root: Reference;
+  set(value: any, onComplete?: (a: Error | null) => any): Promise<any>;
+  setPriority(
+    priority: string | number | null,
+    onComplete: (a: Error | null) => any
+  ): Promise<any>;
+  setWithPriority(
+    newVal: any,
+    newPriority: string | number | null,
+    onComplete?: (a: Error | null) => any
+  ): Promise<any>;
+  transaction(
+    transactionUpdate: (a: any) => any,
+    onComplete?: (a: Error | null, b: boolean, c: DataSnapshot | null) => any,
+    applyLocally?: boolean
+  ): Promise<any>;
+  update(values: Object, onComplete?: (a: Error | null) => any): Promise<any>;
+}
+
+export interface ServerValue {
+  TIMESTAMP: {
+    '.sv': string;
+  };
+}
+
+export interface ThenableReference extends Reference, Promise<Reference> {}
+
+export function enableLogging(
+  logger?: boolean | ((a: string) => any),
+  persistent?: boolean
+): any;

node_modules/@firebase/database-types/package.json

@@ -0,0 +1,58 @@
+{
+  "_from": "@firebase/database-types@0.4.3",
+  "_id": "@firebase/database-types@0.4.3",
+  "_inBundle": false,
+  "_integrity": "sha512-21yCiJA2Tyt6dJYwWeB69MwoawBu5UWNtP6MAY0ugyRBHVdjAMHMYalPxCjZ46LAmhfim0+i8NXRadOFVS3hUA==",
+  "_location": "/@firebase/database-types",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "version",
+    "registry": true,
+    "raw": "@firebase/database-types@0.4.3",
+    "name": "@firebase/database-types",
+    "escapedName": "@firebase%2fdatabase-types",
+    "scope": "@firebase",
+    "rawSpec": "0.4.3",
+    "saveSpec": null,
+    "fetchSpec": "0.4.3"
+  },
+  "_requiredBy": [
+    "/@firebase/database"
+  ],
+  "_resolved": "https://registry.npmjs.org/@firebase/database-types/-/database-types-0.4.3.tgz",
+  "_shasum": "4ee4ada5544f3629fb451e216da8f917a80ae8cd",
+  "_spec": "@firebase/database-types@0.4.3",
+  "_where": "C:\\Users\\matia\\Documents\\GitHub\\FutoX-Musix\\node_modules\\@firebase\\database",
+  "author": {
+    "name": "Firebase",
+    "email": "firebase-support@google.com",
+    "url": "https://firebase.google.com/"
+  },
+  "bugs": {
+    "url": "https://github.com/firebase/firebase-js-sdk/issues"
+  },
+  "bundleDependencies": false,
+  "dependencies": {
+    "@firebase/app-types": "0.x"
+  },
+  "deprecated": false,
+  "description": "@firebase/database Types",
+  "devDependencies": {
+    "typescript": "3.5.3"
+  },
+  "files": [
+    "index.d.ts"
+  ],
+  "homepage": "https://github.com/firebase/firebase-js-sdk#readme",
+  "license": "Apache-2.0",
+  "name": "@firebase/database-types",
+  "repository": {
+    "directory": "packages/database-types",
+    "type": "git",
+    "url": "git+https://github.com/firebase/firebase-js-sdk.git"
+  },
+  "scripts": {
+    "test": "tsc"
+  },
+  "version": "0.4.3"
+}

node_modules/@firebase/database/CHANGELOG.md

@@ -0,0 +1,11 @@
+# Unreleased
+- [fixed] Fixed an issue that caused `.info/serverTimeOffset` events not to fire (#2043).
+- [changed] Treat `ns` url query parameter as the default Realtime Database
+  namespace name.
+
+# 6.3.4
+- [fixed] Fixed an issue where multi-byte UTF-8 characters would not be written correctly when using `firebase.js` or `firebase-database.js` (#2035).
+
+# 6.0.0
+- [changed] Improved consistency between the type annotations for `Query.on`/`Reference.on`,
+  `Query.off`/`Reference.off` and `Query.once`/`Reference.once` (#1188, #1204).

node_modules/@firebase/database/README.md

@@ -0,0 +1,5 @@
+# @firebase/database
+
+This is the Firebase Realtime Database component of the Firebase JS SDK. 
+
+**This package is not intended for direct usage, and should only be used via the officially supported [firebase](https://www.npmjs.com/package/firebase) package.**

node_modules/@firebase/database/dist/index.d.ts

@@ -0,0 +1,44 @@
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { FirebaseNamespace } from '@firebase/app-types';
+import { Database } from './src/api/Database';
+import { Query } from './src/api/Query';
+import { Reference } from './src/api/Reference';
+import { enableLogging } from './src/core/util/util';
+import * as types from '@firebase/database-types';
+declare const ServerValue: {
+    TIMESTAMP: {
+        '.sv': string;
+    };
+};
+export declare function registerDatabase(instance: FirebaseNamespace): void;
+export { Database, Query, Reference, enableLogging, ServerValue };
+export { DataSnapshot } from './src/api/DataSnapshot';
+export { OnDisconnect } from './src/api/onDisconnect';
+declare module '@firebase/app-types' {
+    interface FirebaseNamespace {
+        database?: {
+            (app?: FirebaseApp): types.FirebaseDatabase;
+            enableLogging: typeof types.enableLogging;
+            ServerValue: types.ServerValue;
+            Database: typeof types.FirebaseDatabase;
+        };
+    }
+    interface FirebaseApp {
+        database?(databaseURL?: string): types.FirebaseDatabase;
+    }
+}

node_modules/@firebase/database/dist/index.node.d.ts

@@ -0,0 +1,89 @@
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { FirebaseNamespace, FirebaseApp } from '@firebase/app-types';
+import { Database } from './src/api/Database';
+import { DataSnapshot } from './src/api/DataSnapshot';
+import { Query } from './src/api/Query';
+import { Reference } from './src/api/Reference';
+import { enableLogging } from './src/core/util/util';
+import * as INTERNAL from './src/api/internal';
+import * as TEST_ACCESS from './src/api/test_access';
+import './src/nodePatches';
+import * as types from '@firebase/database-types';
+declare const ServerValue: {
+    /**
+     * A one off register function which returns a database based on the app and
+     * passed database URL.
+     *
+     * @param app A valid FirebaseApp-like object
+     * @param url A valid Firebase databaseURL
+     * @param version custom version e.g. firebase-admin version
+     */
+    TIMESTAMP: {
+        '.sv': string;
+    };
+};
+/**
+ * A one off register function which returns a database based on the app and
+ * passed database URL.
+ *
+ * @param app A valid FirebaseApp-like object
+ * @param url A valid Firebase databaseURL
+ * @param version custom version e.g. firebase-admin version
+ */
+export declare function initStandalone(app: FirebaseApp, url: string, version: string): {
+    instance: Database;
+    namespace: {
+        Reference: typeof Reference;
+        Query: typeof Query;
+        Database: typeof Database;
+        DataSnapshot: typeof DataSnapshot;
+        enableLogging: (logger_?: boolean | ((a: string) => void), persistent?: boolean) => void;
+        INTERNAL: typeof INTERNAL;
+        ServerValue: {
+            /**
+             * A one off register function which returns a database based on the app and
+             * passed database URL.
+             *
+             * @param app A valid FirebaseApp-like object
+             * @param url A valid Firebase databaseURL
+             * @param version custom version e.g. firebase-admin version
+             */
+            TIMESTAMP: {
+                '.sv': string;
+            };
+        };
+        TEST_ACCESS: typeof TEST_ACCESS;
+    };
+};
+export declare function registerDatabase(instance: FirebaseNamespace): void;
+export { Database, Query, Reference, enableLogging, ServerValue };
+export { DataSnapshot } from './src/api/DataSnapshot';
+export { OnDisconnect } from './src/api/onDisconnect';
+declare module '@firebase/app-types' {
+    interface FirebaseNamespace {
+        database?: {
+            (app?: FirebaseApp): types.FirebaseDatabase;
+            enableLogging: typeof types.enableLogging;
+            ServerValue: types.ServerValue;
+            Database: typeof types.FirebaseDatabase;
+        };
+    }
+    interface FirebaseApp {
+        database?(): types.FirebaseDatabase;
+    }
+}

node_modules/@firebase/database/dist/src/api/DataSnapshot.d.ts

@@ -0,0 +1,99 @@
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { Node } from '../core/snap/Node';
+import { Reference } from './Reference';
+import { Index } from '../core/snap/indexes/Index';
+/**
+ * Class representing a firebase data snapshot.  It wraps a SnapshotNode and
+ * surfaces the public methods (val, forEach, etc.) we want to expose.
+ */
+export declare class DataSnapshot {
+    private readonly node_;
+    private readonly ref_;
+    private readonly index_;
+    /**
+     * @param {!Node} node_ A SnapshotNode to wrap.
+     * @param {!Reference} ref_ The ref of the location this snapshot came from.
+     * @param {!Index} index_ The iteration order for this snapshot
+     */
+    constructor(node_: Node, ref_: Reference, index_: Index);
+    /**
+     * Retrieves the snapshot contents as JSON.  Returns null if the snapshot is
+     * empty.
+     *
+     * @return {*} JSON representation of the DataSnapshot contents, or null if empty.
+     */
+    val(): any;
+    /**
+     * Returns the snapshot contents as JSON, including priorities of node.  Suitable for exporting
+     * the entire node contents.
+     * @return {*} JSON representation of the DataSnapshot contents, or null if empty.
+     */
+    exportVal(): any;
+    toJSON(): any;
+    /**
+     * Returns whether the snapshot contains a non-null value.
+     *
+     * @return {boolean} Whether the snapshot contains a non-null value, or is empty.
+     */
+    exists(): boolean;
+    /**
+     * Returns a DataSnapshot of the specified child node's contents.
+     *
+     * @param {!string} childPathString Path to a child.
+     * @return {!DataSnapshot} DataSnapshot for child node.
+     */
+    child(childPathString: string): DataSnapshot;
+    /**
+     * Returns whether the snapshot contains a child at the specified path.
+     *
+     * @param {!string} childPathString Path to a child.
+     * @return {boolean} Whether the child exists.
+     */
+    hasChild(childPathString: string): boolean;
+    /**
+     * Returns the priority of the object, or null if no priority was set.
+     *
+     * @return {string|number|null} The priority.
+     */
+    getPriority(): string | number | null;
+    /**
+     * Iterates through child nodes and calls the specified action for each one.
+     *
+     * @param {function(!DataSnapshot)} action Callback function to be called
+     * for each child.
+     * @return {boolean} True if forEach was canceled by action returning true for
+     * one of the child nodes.
+     */
+    forEach(action: (d: DataSnapshot) => boolean | void): boolean;
+    /**
+     * Returns whether this DataSnapshot has children.
+     * @return {boolean} True if the DataSnapshot contains 1 or more child nodes.
+     */
+    hasChildren(): boolean;
+    readonly key: string;
+    /**
+     * Returns the number of children for this DataSnapshot.
+     * @return {number} The number of children that this DataSnapshot contains.
+     */
+    numChildren(): number;
+    /**
+     * @return {Reference} The Firebase reference for the location this snapshot's data came from.
+     */
+    getRef(): Reference;
+    readonly ref: Reference;
+}

node_modules/@firebase/database/dist/src/api/Database.d.ts

@@ -0,0 +1,73 @@
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { Reference } from './Reference';
+import { Repo } from '../core/Repo';
+import { FirebaseApp } from '@firebase/app-types';
+import { FirebaseService } from '@firebase/app-types/private';
+/**
+ * Class representing a firebase database.
+ * @implements {FirebaseService}
+ */
+export declare class Database implements FirebaseService {
+    private repo_;
+    INTERNAL: DatabaseInternals;
+    private root_;
+    static readonly ServerValue: {
+        TIMESTAMP: {
+            '.sv': string;
+        };
+    };
+    /**
+     * The constructor should not be called by users of our public API.
+     * @param {!Repo} repo_
+     */
+    constructor(repo_: Repo);
+    readonly app: FirebaseApp;
+    /**
+     * Returns a reference to the root or to the path specified in the provided
+     * argument.
+  
+     * @param {string|Reference=} path The relative string path or an existing
+     * Reference to a database location.
+     * @throws If a Reference is provided, throws if it does not belong to the
+     * same project.
+     * @return {!Reference} Firebase reference.
+     **/
+    ref(path?: string): Reference;
+    ref(path?: Reference): Reference;
+    /**
+     * Returns a reference to the root or the path specified in url.
+     * We throw a exception if the url is not in the same domain as the
+     * current repo.
+     * @param {string} url
+     * @return {!Reference} Firebase reference.
+     */
+    refFromURL(url: string): Reference;
+    /**
+     * @param {string} apiName
+     */
+    private checkDeleted_;
+    goOffline(): void;
+    goOnline(): void;
+}
+export declare class DatabaseInternals {
+    database: Database;
+    /** @param {!Database} database */
+    constructor(database: Database);
+    /** @return {Promise<void>} */
+    delete(): Promise<void>;
+}

node_modules/@firebase/database/dist/src/api/Query.d.ts

@@ -0,0 +1,186 @@
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { Path } from '../core/util/Path';
+import { Repo } from '../core/Repo';
+import { QueryParams } from '../core/view/QueryParams';
+import { Reference } from './Reference';
+import { DataSnapshot } from './DataSnapshot';
+export interface SnapshotCallback {
+    (a: DataSnapshot, b?: string | null): any;
+}
+/**
+ * A Query represents a filter to be applied to a firebase location.  This object purely represents the
+ * query expression (and exposes our public API to build the query).  The actual query logic is in ViewBase.js.
+ *
+ * Since every Firebase reference is a query, Firebase inherits from this object.
+ */
+export declare class Query {
+    repo: Repo;
+    path: Path;
+    private queryParams_;
+    private orderByCalled_;
+    static __referenceConstructor: any;
+    constructor(repo: Repo, path: Path, queryParams_: QueryParams, orderByCalled_: boolean);
+    /**
+     * Validates start/end values for queries.
+     * @param {!QueryParams} params
+     * @private
+     */
+    private static validateQueryEndpoints_;
+    /**
+     * Validates that limit* has been called with the correct combination of parameters
+     * @param {!QueryParams} params
+     * @private
+     */
+    private static validateLimit_;
+    /**
+     * Validates that no other order by call has been made
+     * @param {!string} fnName
+     * @private
+     */
+    private validateNoPreviousOrderByCall_;
+    /**
+     * @return {!QueryParams}
+     */
+    getQueryParams(): QueryParams;
+    /**
+     * @return {!Reference}
+     */
+    getRef(): Reference;
+    /**
+     * @param {!string} eventType
+     * @param {!function(DataSnapshot, string=)} callback
+     * @param {(function(Error)|Object)=} cancelCallbackOrContext
+     * @param {Object=} context
+     * @return {!function(DataSnapshot, string=)}
+     */
+    on(eventType: string, callback: SnapshotCallback, cancelCallbackOrContext?: ((a: Error) => any) | Object | null, context?: Object | null): SnapshotCallback;
+    /**
+     * @param {!function(!DataSnapshot)} callback
+     * @param {?function(Error)} cancelCallback
+     * @param {?Object} context
+     * @protected
+     */
+    protected onValueEvent(callback: (a: DataSnapshot) => void, cancelCallback: ((a: Error) => void) | null, context: Object | null): void;
+    /**
+     * @param {!Object.<string, !function(!DataSnapshot, ?string)>} callbacks
+     * @param {?function(Error)} cancelCallback
+     * @param {?Object} context
+     * @protected
+     */
+    onChildEvent(callbacks: {
+        [k: string]: SnapshotCallback;
+    }, cancelCallback: ((a: Error) => any) | null, context: Object | null): void;
+    /**
+     * @param {string=} eventType
+     * @param {(function(!DataSnapshot, ?string=))=} callback
+     * @param {Object=} context
+     */
+    off(eventType?: string, callback?: SnapshotCallback, context?: Object | null): void;
+    /**
+     * Attaches a listener, waits for the first event, and then removes the listener
+     * @param {!string} eventType
+     * @param {!function(!DataSnapshot, string=)} userCallback
+     * @param failureCallbackOrContext
+     * @param context
+     * @return {!firebase.Promise}
+     */
+    once(eventType: string, userCallback?: SnapshotCallback, failureCallbackOrContext?: ((a: Error) => void) | Object | null, context?: Object | null): Promise<DataSnapshot>;
+    /**
+     * Set a limit and anchor it to the start of the window.
+     * @param {!number} limit
+     * @return {!Query}
+     */
+    limitToFirst(limit: number): Query;
+    /**
+     * Set a limit and anchor it to the end of the window.
+     * @param {!number} limit
+     * @return {!Query}
+     */
+    limitToLast(limit: number): Query;
+    /**
+     * Given a child path, return a new query ordered by the specified grandchild path.
+     * @param {!string} path
+     * @return {!Query}
+     */
+    orderByChild(path: string): Query;
+    /**
+     * Return a new query ordered by the KeyIndex
+     * @return {!Query}
+     */
+    orderByKey(): Query;
+    /**
+     * Return a new query ordered by the PriorityIndex
+     * @return {!Query}
+     */
+    orderByPriority(): Query;
+    /**
+     * Return a new query ordered by the ValueIndex
+     * @return {!Query}
+     */
+    orderByValue(): Query;
+    /**
+     * @param {number|string|boolean|null} value
+     * @param {?string=} name
+     * @return {!Query}
+     */
+    startAt(value?: number | string | boolean | null, name?: string | null): Query;
+    /**
+     * @param {number|string|boolean|null} value
+     * @param {?string=} name
+     * @return {!Query}
+     */
+    endAt(value?: number | string | boolean | null, name?: string | null): Query;
+    /**
+     * Load the selection of children with exactly the specified value, and, optionally,
+     * the specified name.
+     * @param {number|string|boolean|null} value
+     * @param {string=} name
+     * @return {!Query}
+     */
+    equalTo(value: number | string | boolean | null, name?: string): Query;
+    /**
+     * @return {!string} URL for this location.
+     */
+    toString(): string;
+    toJSON(): string;
+    /**
+     * An object representation of the query parameters used by this Query.
+     * @return {!Object}
+     */
+    queryObject(): Object;
+    /**
+     * @return {!string}
+     */
+    queryIdentifier(): string;
+    /**
+     * Return true if this query and the provided query are equivalent; otherwise, return false.
+     * @param {Query} other
+     * @return {boolean}
+     */
+    isEqual(other: Query): boolean;
+    /**
+     * Helper used by .on and .once to extract the context and or cancel arguments.
+     * @param {!string} fnName The function name (on or once)
+     * @param {(function(Error)|Object)=} cancelOrContext
+     * @param {Object=} context
+     * @return {{cancel: ?function(Error), context: ?Object}}
+     * @private
+     */
+    private static getCancelAndContextArgs_;
+    readonly ref: Reference;
+}

node_modules/@firebase/database/dist/src/api/Reference.d.ts

@@ -0,0 +1,106 @@
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { OnDisconnect } from './onDisconnect';
+import { TransactionResult } from './TransactionResult';
+import { Query } from './Query';
+import { Repo } from '../core/Repo';
+import { Path } from '../core/util/Path';
+import { Database } from './Database';
+import { DataSnapshot } from './DataSnapshot';
+export interface ReferenceConstructor {
+    new (repo: Repo, path: Path): Reference;
+}
+export declare class Reference extends Query {
+    then: (a?: any) => Promise<any>;
+    catch: (a?: Error) => Promise<any>;
+    /**
+     * Call options:
+     *   new Reference(Repo, Path) or
+     *   new Reference(url: string, string|RepoManager)
+     *
+     * Externally - this is the firebase.database.Reference type.
+     *
+     * @param {!Repo} repo
+     * @param {(!Path)} path
+     * @extends {Query}
+     */
+    constructor(repo: Repo, path: Path);
+    /** @return {?string} */
+    getKey(): string | null;
+    /**
+     * @param {!(string|Path)} pathString
+     * @return {!Reference}
+     */
+    child(pathString: string | Path): Reference;
+    /** @return {?Reference} */
+    getParent(): Reference | null;
+    /** @return {!Reference} */
+    getRoot(): Reference;
+    /** @return {!Database} */
+    databaseProp(): Database;
+    /**
+     * @param {*} newVal
+     * @param {function(?Error)=} onComplete
+     * @return {!Promise}
+     */
+    set(newVal: any, onComplete?: (a: Error | null) => void): Promise<any>;
+    /**
+     * @param {!Object} objectToMerge
+     * @param {function(?Error)=} onComplete
+     * @return {!Promise}
+     */
+    update(objectToMerge: Object, onComplete?: (a: Error | null) => void): Promise<any>;
+    /**
+     * @param {*} newVal
+     * @param {string|number|null} newPriority
+     * @param {function(?Error)=} onComplete
+     * @return {!Promise}
+     */
+    setWithPriority(newVal: any, newPriority: string | number | null, onComplete?: (a: Error | null) => void): Promise<any>;
+    /**
+     * @param {function(?Error)=} onComplete
+     * @return {!Promise}
+     */
+    remove(onComplete?: (a: Error | null) => void): Promise<any>;
+    /**
+     * @param {function(*):*} transactionUpdate
+     * @param {(function(?Error, boolean, ?DataSnapshot))=} onComplete
+     * @param {boolean=} applyLocally
+     * @return {!Promise}
+     */
+    transaction(transactionUpdate: (a: any) => any, onComplete?: (a: Error | null, b: boolean, c: DataSnapshot | null) => void, applyLocally?: boolean): Promise<TransactionResult>;
+    /**
+     * @param {string|number|null} priority
+     * @param {function(?Error)=} onComplete
+     * @return {!Promise}
+     */
+    setPriority(priority: string | number | null, onComplete?: (a: Error | null) => void): Promise<any>;
+    /**
+     * @param {*=} value
+     * @param {function(?Error)=} onComplete
+     * @return {!Reference}
+     */
+    push(value?: any, onComplete?: (a: Error | null) => void): Reference;
+    /**
+     * @return {!OnDisconnect}
+     */
+    onDisconnect(): OnDisconnect;
+    readonly database: Database;
+    readonly key: string | null;
+    readonly parent: Reference | null;
+    readonly root: Reference;
+}

node_modules/@firebase/database/dist/src/api/TransactionResult.d.ts

@@ -0,0 +1,30 @@
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { DataSnapshot } from './DataSnapshot';
+export declare class TransactionResult {
+    committed: boolean;
+    snapshot: DataSnapshot;
+    /**
+     * A type for the resolve value of Firebase.transaction.
+     * @constructor
+     * @dict
+     * @param {boolean} committed
+     * @param {DataSnapshot} snapshot
+     */
+    constructor(committed: boolean, snapshot: DataSnapshot);
+    toJSON(): object;
+}

node_modules/@firebase/database/dist/src/api/internal.d.ts

@@ -0,0 +1,32 @@
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { Reference } from './Reference';
+/**
+ * INTERNAL methods for internal-use only (tests, etc.).
+ *
+ * Customers shouldn't use these or else should be aware that they could break at any time.
+ *
+ * @const
+ */
+export declare const forceLongPolling: () => void;
+export declare const forceWebSockets: () => void;
+export declare const isWebSocketsAvailable: () => boolean;
+export declare const setSecurityDebugCallback: (ref: Reference, callback: (a: Object) => void) => void;
+export declare const stats: (ref: Reference, showDelta?: boolean) => void;
+export declare const statsIncrementCounter: (ref: Reference, metric: string) => void;
+export declare const dataUpdateCount: (ref: Reference) => number;
+export declare const interceptServerData: (ref: Reference, callback: (a: string, b: any) => void) => void;

node_modules/@firebase/database/dist/src/api/onDisconnect.d.ts

@@ -0,0 +1,59 @@
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { Repo } from '../core/Repo';
+import { Path } from '../core/util/Path';
+/**
+ * @constructor
+ */
+export declare class OnDisconnect {
+    private repo_;
+    private path_;
+    /**
+     * @param {!Repo} repo_
+     * @param {!Path} path_
+     */
+    constructor(repo_: Repo, path_: Path);
+    /**
+     * @param {function(?Error)=} onComplete
+     * @return {!firebase.Promise}
+     */
+    cancel(onComplete?: (a: Error | null) => void): Promise<void>;
+    /**
+     * @param {function(?Error)=} onComplete
+     * @return {!firebase.Promise}
+     */
+    remove(onComplete?: (a: Error | null) => void): Promise<void>;
+    /**
+     * @param {*} value
+     * @param {function(?Error)=} onComplete
+     * @return {!firebase.Promise}
+     */
+    set(value: any, onComplete?: (a: Error | null) => void): Promise<void>;
+    /**
+     * @param {*} value
+     * @param {number|string|null} priority
+     * @param {function(?Error)=} onComplete
+     * @return {!firebase.Promise}
+     */
+    setWithPriority(value: any, priority: number | string | null, onComplete?: (a: Error | null) => void): Promise<void>;
+    /**
+     * @param {!Object} objectToMerge
+     * @param {function(?Error)=} onComplete
+     * @return {!firebase.Promise}
+     */
+    update(objectToMerge: object, onComplete?: (a: Error | null) => void): Promise<void>;
+}

node_modules/@firebase/database/dist/src/api/test_access.d.ts

@@ -0,0 +1,42 @@
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { RepoInfo } from '../core/RepoInfo';
+import { PersistentConnection } from '../core/PersistentConnection';
+import { Connection } from '../realtime/Connection';
+import { Query } from './Query';
+export declare const DataConnection: typeof PersistentConnection;
+export declare const RealTimeConnection: typeof Connection;
+/**
+ * @param {function(): string} newHash
+ * @return {function()}
+ */
+export declare const hijackHash: (newHash: () => string) => () => void;
+/**
+ * @type {function(new:RepoInfo, !string, boolean, !string, boolean): undefined}
+ */
+export declare const ConnectionTarget: typeof RepoInfo;
+/**
+ * @param {!Query} query
+ * @return {!string}
+ */
+export declare const queryIdentifier: (query: Query) => string;
+/**
+ * Forces the RepoManager to create Repos that use ReadonlyRestClient instead of PersistentConnection.
+ *
+ * @param {boolean} forceRestClient
+ */
+export declare const forceRestClient: (forceRestClient: boolean) => void;

node_modules/@firebase/database/dist/src/core/AuthTokenProvider.d.ts

@@ -0,0 +1,42 @@
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { FirebaseApp } from '@firebase/app-types';
+import { FirebaseAuthTokenData } from '@firebase/app-types/private';
+/**
+ * An interface for token fetchers.
+ */
+export interface AuthTokenProvider {
+    /**
+     * @param {boolean} forceRefresh
+     * @return {!Promise<FirebaseAuthTokenData>}
+     */
+    getToken(forceRefresh: boolean): Promise<FirebaseAuthTokenData>;
+    addTokenChangeListener(listener: (token: string | null) => void): any;
+    removeTokenChangeListener(listener: (token: string | null) => void): any;
+    notifyForInvalidToken(): any;
+}
+/**
+ * Abstraction around FirebaseApp's token fetching capabilities.
+ */
+export declare class FirebaseAuthTokenProvider implements AuthTokenProvider {
+    private app_;
+    constructor(app_: FirebaseApp);
+    getToken(forceRefresh: boolean): Promise<FirebaseAuthTokenData>;
+    addTokenChangeListener(listener: (token: string | null) => void): void;
+    removeTokenChangeListener(listener: (token: string | null) => void): void;
+    notifyForInvalidToken(): void;
+}

node_modules/@firebase/database/dist/src/core/CompoundWrite.d.ts

@@ -0,0 +1,77 @@
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { ImmutableTree } from './util/ImmutableTree';
+import { Path } from './util/Path';
+import { Node, NamedNode } from './snap/Node';
+/**
+ * This class holds a collection of writes that can be applied to nodes in unison. It abstracts away the logic with
+ * dealing with priority writes and multiple nested writes. At any given path there is only allowed to be one write
+ * modifying that path. Any write to an existing path or shadowing an existing path will modify that existing write
+ * to reflect the write added.
+ */
+export declare class CompoundWrite {
+    private writeTree_;
+    constructor(writeTree_: ImmutableTree<Node>);
+    static Empty: CompoundWrite;
+    addWrite(path: Path, node: Node): CompoundWrite;
+    addWrites(path: Path, updates: {
+        [name: string]: Node;
+    }): CompoundWrite;
+    /**
+     * Will remove a write at the given path and deeper paths. This will <em>not</em> modify a write at a higher
+     * location, which must be removed by calling this method with that path.
+     *
+     * @param path The path at which a write and all deeper writes should be removed
+     * @return {!CompoundWrite} The new CompoundWrite with the removed path
+     */
+    removeWrite(path: Path): CompoundWrite;
+    /**
+     * Returns whether this CompoundWrite will fully overwrite a node at a given location and can therefore be
+     * considered "complete".
+     *
+     * @param path The path to check for
+     * @return Whether there is a complete write at that path
+     */
+    hasCompleteWrite(path: Path): boolean;
+    /**
+     * Returns a node for a path if and only if the node is a "complete" overwrite at that path. This will not aggregate
+     * writes from deeper paths, but will return child nodes from a more shallow path.
+     *
+     * @param path The path to get a complete write
+     * @return The node if complete at that path, or null otherwise.
+     */
+    getCompleteNode(path: Path): Node | null;
+    /**
+     * Returns all children that are guaranteed to be a complete overwrite.
+     *
+     * @return A list of all complete children.
+     */
+    getCompleteChildren(): NamedNode[];
+    childCompoundWrite(path: Path): CompoundWrite;
+    /**
+     * Returns true if this CompoundWrite is empty and therefore does not modify any nodes.
+     * @return Whether this CompoundWrite is empty
+     */
+    isEmpty(): boolean;
+    /**
+     * Applies this CompoundWrite to a node. The node is returned with all writes from this CompoundWrite applied to the
+     * node
+     * @param node The node to apply this CompoundWrite to
+     * @return The node with all writes applied
+     */
+    apply(node: Node): Node;
+}

node_modules/@firebase/database/dist/src/core/EmulatorAuthTokenProvider.d.ts

@@ -0,0 +1,27 @@
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { FirebaseApp } from '@firebase/app-types';
+import { FirebaseAuthTokenData } from '@firebase/app-types/private';
+import { AuthTokenProvider } from './AuthTokenProvider';
+export declare class EmulatorAuthTokenProvider implements AuthTokenProvider {
+    private app_;
+    constructor(app_: FirebaseApp);
+    getToken(forceRefresh: boolean): Promise<FirebaseAuthTokenData>;
+    addTokenChangeListener(listener: (token: string | null) => void): void;
+    removeTokenChangeListener(listener: (token: string | null) => void): void;
+    notifyForInvalidToken(): void;
+}

node_modules/@firebase/database/dist/src/core/PersistentConnection.d.ts

@@ -0,0 +1,142 @@
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { ServerActions } from './ServerActions';
+import { AuthTokenProvider } from './AuthTokenProvider';
+import { RepoInfo } from './RepoInfo';
+import { Query } from '../api/Query';
+/**
+ * Firebase connection.  Abstracts wire protocol and handles reconnecting.
+ *
+ * NOTE: All JSON objects sent to the realtime connection must have property names enclosed
+ * in quotes to make sure the closure compiler does not minify them.
+ */
+export declare class PersistentConnection extends ServerActions {
+    private repoInfo_;
+    private onDataUpdate_;
+    private onConnectStatus_;
+    private onServerInfoUpdate_;
+    private authTokenProvider_;
+    private authOverride_?;
+    id: number;
+    private log_;
+    private interruptReasons_;
+    /** Map<path, Map<queryId, ListenSpec>> */
+    private readonly listens;
+    private outstandingPuts_;
+    private outstandingPutCount_;
+    private onDisconnectRequestQueue_;
+    private connected_;
+    private reconnectDelay_;
+    private maxReconnectDelay_;
+    private securityDebugCallback_;
+    lastSessionId: string | null;
+    private establishConnectionTimer_;
+    private visible_;
+    private requestCBHash_;
+    private requestNumber_;
+    private realtime_;
+    private authToken_;
+    private forceTokenRefresh_;
+    private invalidAuthTokenCount_;
+    private firstConnection_;
+    private lastConnectionAttemptTime_;
+    private lastConnectionEstablishedTime_;
+    private static nextPersistentConnectionId_;
+    /**
+     * Counter for number of connections created. Mainly used for tagging in the logs
+     */
+    private static nextConnectionId_;
+    /**
+     * @implements {ServerActions}
+     * @param repoInfo_ Data about the namespace we are connecting to
+     * @param onDataUpdate_ A callback for new data from the server
+     */
+    constructor(repoInfo_: RepoInfo, onDataUpdate_: (a: string, b: any, c: boolean, d: number | null) => void, onConnectStatus_: (a: boolean) => void, onServerInfoUpdate_: (a: any) => void, authTokenProvider_: AuthTokenProvider, authOverride_?: Object | null);
+    protected sendRequest(action: string, body: any, onResponse?: (a: any) => void): void;
+    /**
+     * @inheritDoc
+     */
+    listen(query: Query, currentHashFn: () => string, tag: number | null, onComplete: (a: string, b: any) => void): void;
+    private sendListen_;
+    private static warnOnListenWarnings_;
+    /**
+     * @inheritDoc
+     */
+    refreshAuthToken(token: string): void;
+    private reduceReconnectDelayIfAdminCredential_;
+    /**
+     * Attempts to authenticate with the given credentials. If the authentication attempt fails, it's triggered like
+     * a auth revoked (the connection is closed).
+     */
+    tryAuth(): void;
+    /**
+     * @inheritDoc
+     */
+    unlisten(query: Query, tag: number | null): void;
+    private sendUnlisten_;
+    /**
+     * @inheritDoc
+     */
+    onDisconnectPut(pathString: string, data: any, onComplete?: (a: string, b: string) => void): void;
+    /**
+     * @inheritDoc
+     */
+    onDisconnectMerge(pathString: string, data: any, onComplete?: (a: string, b: string) => void): void;
+    /**
+     * @inheritDoc
+     */
+    onDisconnectCancel(pathString: string, onComplete?: (a: string, b: string) => void): void;
+    private sendOnDisconnect_;
+    /**
+     * @inheritDoc
+     */
+    put(pathString: string, data: any, onComplete?: (a: string, b: string) => void, hash?: string): void;
+    /**
+     * @inheritDoc
+     */
+    merge(pathString: string, data: any, onComplete: (a: string, b: string | null) => void, hash?: string): void;
+    putInternal(action: string, pathString: string, data: any, onComplete: (a: string, b: string | null) => void, hash?: string): void;
+    private sendPut_;
+    /**
+     * @inheritDoc
+     */
+    reportStats(stats: {
+        [k: string]: any;
+    }): void;
+    private onDataMessage_;
+    private onDataPush_;
+    private onReady_;
+    private scheduleConnect_;
+    private onVisible_;
+    private onOnline_;
+    private onRealtimeDisconnect_;
+    private establishConnection_;
+    interrupt(reason: string): void;
+    resume(reason: string): void;
+    private handleTimestamp_;
+    private cancelSentTransactions_;
+    private onListenRevoked_;
+    private removeListen_;
+    private onAuthRevoked_;
+    private onSecurityDebugPacket_;
+    private restoreState_;
+    /**
+     * Sends client stats for first connection
+     */
+    private sendConnectStats_;
+    private shouldReconnect_;
+}

node_modules/@firebase/database/dist/src/core/ReadonlyRestClient.d.ts

@@ -0,0 +1,72 @@
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { ServerActions } from './ServerActions';
+import { RepoInfo } from './RepoInfo';
+import { AuthTokenProvider } from './AuthTokenProvider';
+import { Query } from '../api/Query';
+/**
+ * An implementation of ServerActions that communicates with the server via REST requests.
+ * This is mostly useful for compatibility with crawlers, where we don't want to spin up a full
+ * persistent connection (using WebSockets or long-polling)
+ */
+export declare class ReadonlyRestClient extends ServerActions {
+    private repoInfo_;
+    private onDataUpdate_;
+    private authTokenProvider_;
+    reportStats(stats: {
+        [k: string]: any;
+    }): void;
+    /** @private {function(...[*])} */
+    private log_;
+    /**
+     * We don't actually need to track listens, except to prevent us calling an onComplete for a listen
+     * that's been removed. :-/
+     *
+     * @private {!Object.<string, !Object>}
+     */
+    private listens_;
+    /**
+     * @param {!Query} query
+     * @param {?number=} tag
+     * @return {string}
+     * @private
+     */
+    static getListenId_(query: Query, tag?: number | null): string;
+    /**
+     * @param {!RepoInfo} repoInfo_ Data about the namespace we are connecting to
+     * @param {function(string, *, boolean, ?number)} onDataUpdate_ A callback for new data from the server
+     * @param {AuthTokenProvider} authTokenProvider_
+     * @implements {ServerActions}
+     */
+    constructor(repoInfo_: RepoInfo, onDataUpdate_: (a: string, b: any, c: boolean, d: number | null) => void, authTokenProvider_: AuthTokenProvider);
+    /** @inheritDoc */
+    listen(query: Query, currentHashFn: () => string, tag: number | null, onComplete: (a: string, b: any) => void): void;
+    /** @inheritDoc */
+    unlisten(query: Query, tag: number | null): void;
+    /** @inheritDoc */
+    refreshAuthToken(token: string): void;
+    /**
+     * Performs a REST request to the given path, with the provided query string parameters,
+     * and any auth credentials we have.
+     *
+     * @param {!string} pathString
+     * @param {!Object.<string, *>} queryStringParameters
+     * @param {?function(?number, *=)} callback
+     * @private
+     */
+    private restRequest_;
+}

node_modules/@firebase/database/dist/src/core/Repo.d.ts

@@ -0,0 +1,97 @@
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { Path } from './util/Path';
+import { PersistentConnection } from './PersistentConnection';
+import { FirebaseApp } from '@firebase/app-types';
+import { RepoInfo } from './RepoInfo';
+import { Database } from '../api/Database';
+import { Query } from '../api/Query';
+import { EventRegistration } from './view/EventRegistration';
+/**
+ * A connection to a single data repository.
+ */
+export declare class Repo {
+    repoInfo_: RepoInfo;
+    app: FirebaseApp;
+    dataUpdateCount: number;
+    private infoSyncTree_;
+    private serverSyncTree_;
+    private stats_;
+    private statsListener_;
+    private eventQueue_;
+    private nextWriteId_;
+    private server_;
+    private statsReporter_;
+    private transactions_init_;
+    private infoData_;
+    private abortTransactions_;
+    private rerunTransactions_;
+    private interceptServerDataCallback_;
+    private __database;
+    /** A list of data pieces and paths to be set when this client disconnects. */
+    private onDisconnect_;
+    persistentConnection_: PersistentConnection | null;
+    constructor(repoInfo_: RepoInfo, forceRestClient: boolean, app: FirebaseApp);
+    /**
+     * @return The URL corresponding to the root of this Firebase.
+     */
+    toString(): string;
+    /**
+     * @return The namespace represented by the repo.
+     */
+    name(): string;
+    /**
+     * @return The time in milliseconds, taking the server offset into account if we have one.
+     */
+    serverTime(): number;
+    /**
+     * Generate ServerValues using some variables from the repo object.
+     */
+    generateServerValues(): Object;
+    /**
+     * Called by realtime when we get new messages from the server.
+     */
+    private onDataUpdate_;
+    interceptServerData_(callback: ((a: string, b: any) => any) | null): void;
+    private onConnectStatus_;
+    private onServerInfoUpdate_;
+    private updateInfo_;
+    private getNextWriteId_;
+    setWithPriority(path: Path, newVal: any, newPriority: number | string | null, onComplete: ((status: Error | null, errorReason?: string) => void) | null): void;
+    update(path: Path, childrenToMerge: {
+        [k: string]: any;
+    }, onComplete: ((status: Error | null, errorReason?: string) => void) | null): void;
+    /**
+     * Applies all of the changes stored up in the onDisconnect_ tree.
+     */
+    private runOnDisconnectEvents_;
+    onDisconnectCancel(path: Path, onComplete: ((status: Error | null, errorReason?: string) => void) | null): void;
+    onDisconnectSet(path: Path, value: any, onComplete: ((status: Error | null, errorReason?: string) => void) | null): void;
+    onDisconnectSetWithPriority(path: Path, value: any, priority: any, onComplete: ((status: Error | null, errorReason?: string) => void) | null): void;
+    onDisconnectUpdate(path: Path, childrenToMerge: {
+        [k: string]: any;
+    }, onComplete: ((status: Error | null, errorReason?: string) => void) | null): void;
+    addEventCallbackForQuery(query: Query, eventRegistration: EventRegistration): void;
+    removeEventCallbackForQuery(query: Query, eventRegistration: EventRegistration): void;
+    interrupt(): void;
+    resume(): void;
+    stats(showDelta?: boolean): void;
+    statsIncrementCounter(metric: string): void;
+    private log_;
+    callOnCompleteCallback(callback: ((status: Error | null, errorReason?: string) => void) | null, status: string, errorReason?: string | null): void;
+    readonly database: Database;
+}

node_modules/@firebase/database/dist/src/core/RepoInfo.d.ts

@@ -0,0 +1,57 @@
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/**
+ * A class that holds metadata about a Repo object
+ *
+ * @constructor
+ */
+export declare class RepoInfo {
+    secure: boolean;
+    namespace: string;
+    webSocketOnly: boolean;
+    persistenceKey: string;
+    includeNamespaceInQueryParams: boolean;
+    host: string;
+    domain: string;
+    internalHost: string;
+    /**
+     * @param {string} host Hostname portion of the url for the repo
+     * @param {boolean} secure Whether or not this repo is accessed over ssl
+     * @param {string} namespace The namespace represented by the repo
+     * @param {boolean} webSocketOnly Whether to prefer websockets over all other transports (used by Nest).
+     * @param {string=} persistenceKey Override the default session persistence storage key
+     */
+    constructor(host: string, secure: boolean, namespace: string, webSocketOnly: boolean, persistenceKey?: string, includeNamespaceInQueryParams?: boolean);
+    needsQueryParam(): boolean;
+    isCacheableHost(): boolean;
+    isDemoHost(): boolean;
+    isCustomHost(): boolean;
+    updateHost(newHost: string): void;
+    /**
+     * Returns the websocket URL for this repo
+     * @param {string} type of connection
+     * @param {Object} params list
+     * @return {string} The URL for this repo
+     */
+    connectionURL(type: string, params: {
+        [k: string]: string;
+    }): string;
+    /** @return {string} */
+    toString(): string;
+    /** @return {string} */
+    toURLString(): string;
+}

node_modules/@firebase/database/dist/src/core/RepoManager.d.ts

@@ -0,0 +1,65 @@
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { FirebaseApp } from '@firebase/app-types';
+import { Repo } from './Repo';
+import './Repo_transaction';
+import { Database } from '../api/Database';
+import { RepoInfo } from './RepoInfo';
+/**
+ * Creates and caches Repo instances.
+ */
+export declare class RepoManager {
+    /**
+     * @private {!Object.<string, Object<string, !fb.core.Repo>>}
+     */
+    private repos_;
+    /**
+     * If true, new Repos will be created to use ReadonlyRestClient (for testing purposes).
+     * @private {boolean}
+     */
+    private useRestClient_;
+    static getInstance(): RepoManager;
+    interrupt(): void;
+    resume(): void;
+    /**
+     * This function should only ever be called to CREATE a new database instance.
+     *
+     * @param {!FirebaseApp} app
+     * @return {!Database}
+     */
+    databaseFromApp(app: FirebaseApp, url?: string): Database;
+    /**
+     * Remove the repo and make sure it is disconnected.
+     *
+     * @param {!Repo} repo
+     */
+    deleteRepo(repo: Repo): void;
+    /**
+     * Ensures a repo doesn't already exist and then creates one using the
+     * provided app.
+     *
+     * @param {!RepoInfo} repoInfo The metadata about the Repo
+     * @param {!FirebaseApp} app
+     * @return {!Repo} The Repo object for the specified server / repoName.
+     */
+    createRepo(repoInfo: RepoInfo, app: FirebaseApp): Repo;
+    /**
+     * Forces us to use ReadonlyRestClient instead of PersistentConnection for new Repos.
+     * @param {boolean} forceRestClient
+     */
+    forceRestClient(forceRestClient: boolean): void;
+}

node_modules/@firebase/database/dist/src/core/Repo_transaction.d.ts

@@ -0,0 +1,33 @@
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { DataSnapshot } from '../api/DataSnapshot';
+import { Path } from './util/Path';
+/**
+ * @enum {number}
+ */
+export declare enum TransactionStatus {
+    RUN = 0,
+    SENT = 1,
+    COMPLETED = 2,
+    SENT_NEEDS_ABORT = 3,
+    NEEDS_ABORT = 4
+}
+declare module './Repo' {
+    interface Repo {
+        startTransaction(path: Path, transactionUpdate: (a: any) => void, onComplete: ((a: Error, b: boolean, c: DataSnapshot) => void) | null, applyLocally: boolean): void;
+    }
+}

node_modules/@firebase/database/dist/src/core/ServerActions.d.ts

@@ -0,0 +1,81 @@
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { Query } from '../api/Query';
+/**
+ * Interface defining the set of actions that can be performed against the Firebase server
+ * (basically corresponds to our wire protocol).
+ *
+ * @interface
+ */
+export declare abstract class ServerActions {
+    /**
+     * @param {!Query} query
+     * @param {function():string} currentHashFn
+     * @param {?number} tag
+     * @param {function(string, *)} onComplete
+     */
+    abstract listen(query: Query, currentHashFn: () => string, tag: number | null, onComplete: (a: string, b: any) => void): void;
+    /**
+     * Remove a listen.
+     *
+     * @param {!Query} query
+     * @param {?number} tag
+     */
+    abstract unlisten(query: Query, tag: number | null): void;
+    /**
+     * @param {string} pathString
+     * @param {*} data
+     * @param {function(string, string)=} onComplete
+     * @param {string=} hash
+     */
+    put(pathString: string, data: any, onComplete?: (a: string, b: string) => void, hash?: string): void;
+    /**
+     * @param {string} pathString
+     * @param {*} data
+     * @param {function(string, ?string)} onComplete
+     * @param {string=} hash
+     */
+    merge(pathString: string, data: any, onComplete: (a: string, b: string | null) => void, hash?: string): void;
+    /**
+     * Refreshes the auth token for the current connection.
+     * @param {string} token The authentication token
+     */
+    refreshAuthToken(token: string): void;
+    /**
+     * @param {string} pathString
+     * @param {*} data
+     * @param {function(string, string)=} onComplete
+     */
+    onDisconnectPut(pathString: string, data: any, onComplete?: (a: string, b: string) => void): void;
+    /**
+     * @param {string} pathString
+     * @param {*} data
+     * @param {function(string, string)=} onComplete
+     */
+    onDisconnectMerge(pathString: string, data: any, onComplete?: (a: string, b: string) => void): void;
+    /**
+     * @param {string} pathString
+     * @param {function(string, string)=} onComplete
+     */
+    onDisconnectCancel(pathString: string, onComplete?: (a: string, b: string) => void): void;
+    /**
+     * @param {Object.<string, *>} stats
+     */
+    reportStats(stats: {
+        [k: string]: any;
+    }): void;
+}

node_modules/@firebase/database/dist/src/core/SnapshotHolder.d.ts

@@ -0,0 +1,28 @@
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { Path } from './util/Path';
+import { Node } from './snap/Node';
+/**
+ * Mutable object which basically just stores a reference to the "latest" immutable snapshot.
+ *
+ * @constructor
+ */
+export declare class SnapshotHolder {
+    private rootNode_;
+    getNode(path: Path): Node;
+    updateSnapshot(path: Path, newSnapshotNode: Node): void;
+}

node_modules/@firebase/database/dist/src/core/SparseSnapshotTree.d.ts

@@ -0,0 +1,61 @@
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { Path } from './util/Path';
+import { Node } from './snap/Node';
+/**
+ * Helper class to store a sparse set of snapshots.
+ */
+export declare class SparseSnapshotTree {
+    private value;
+    private readonly children;
+    /**
+     * Gets the node stored at the given path if one exists.
+     *
+     * @param path Path to look up snapshot for.
+     * @return The retrieved node, or null.
+     */
+    find(path: Path): Node | null;
+    /**
+     * Stores the given node at the specified path. If there is already a node
+     * at a shallower path, it merges the new data into that snapshot node.
+     *
+     * @param path Path to look up snapshot for.
+     * @param data The new data, or null.
+     */
+    remember(path: Path, data: Node): void;
+    /**
+     * Purge the data at path from the cache.
+     *
+     * @param path Path to look up snapshot for.
+     * @return True if this node should now be removed.
+     */
+    forget(path: Path): boolean;
+    /**
+     * Recursively iterates through all of the stored tree and calls the
+     * callback on each one.
+     *
+     * @param prefixPath Path to look up node for.
+     * @param func The function to invoke for each tree.
+     */
+    forEachTree(prefixPath: Path, func: (a: Path, b: Node) => any): void;
+    /**
+     * Iterates through each immediate child and triggers the callback.
+     *
+     * @param func The function to invoke for each child.
+     */
+    forEachChild(func: (a: string, b: SparseSnapshotTree) => void): void;
+}

node_modules/@firebase/database/dist/src/core/SyncPoint.d.ts

@@ -0,0 +1,83 @@
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { View } from './view/View';
+import { Operation } from './operation/Operation';
+import { WriteTreeRef } from './WriteTree';
+import { Query } from '../api/Query';
+import { EventRegistration } from './view/EventRegistration';
+import { Node } from './snap/Node';
+import { Path } from './util/Path';
+import { Event } from './view/Event';
+import { ReferenceConstructor } from '../api/Reference';
+/**
+ * SyncPoint represents a single location in a SyncTree with 1 or more event registrations, meaning we need to
+ * maintain 1 or more Views at this location to cache server data and raise appropriate events for server changes
+ * and user writes (set, transaction, update).
+ *
+ * It's responsible for:
+ *  - Maintaining the set of 1 or more views necessary at this location (a SyncPoint with 0 views should be removed).
+ *  - Proxying user / server operations to the views as appropriate (i.e. applyServerOverwrite,
+ *    applyUserOverwrite, etc.)
+ */
+export declare class SyncPoint {
+    static __referenceConstructor: ReferenceConstructor;
+    /**
+     * The Views being tracked at this location in the tree, stored as a map where the key is a
+     * queryId and the value is the View for that query.
+     *
+     * NOTE: This list will be quite small (usually 1, but perhaps 2 or 3; any more is an odd use case).
+     */
+    private readonly views;
+    isEmpty(): boolean;
+    applyOperation(operation: Operation, writesCache: WriteTreeRef, optCompleteServerCache: Node | null): Event[];
+    /**
+     * Add an event callback for the specified query.
+     *
+     * @param {!Query} query
+     * @param {!EventRegistration} eventRegistration
+     * @param {!WriteTreeRef} writesCache
+     * @param {?Node} serverCache Complete server cache, if we have it.
+     * @param {boolean} serverCacheComplete
+     * @return {!Array.<!Event>} Events to raise.
+     */
+    addEventRegistration(query: Query, eventRegistration: EventRegistration, writesCache: WriteTreeRef, serverCache: Node | null, serverCacheComplete: boolean): Event[];
+    /**
+     * Remove event callback(s).  Return cancelEvents if a cancelError is specified.
+     *
+     * If query is the default query, we'll check all views for the specified eventRegistration.
+     * If eventRegistration is null, we'll remove all callbacks for the specified view(s).
+     *
+     * @param {!Query} query
+     * @param {?EventRegistration} eventRegistration If null, remove all callbacks.
+     * @param {Error=} cancelError If a cancelError is provided, appropriate cancel events will be returned.
+     * @return {{removed:!Array.<!Query>, events:!Array.<!Event>}} removed queries and any cancel events
+     */
+    removeEventRegistration(query: Query, eventRegistration: EventRegistration | null, cancelError?: Error): {
+        removed: Query[];
+        events: Event[];
+    };
+    getQueryViews(): View[];
+    /**
+     * @param path The path to the desired complete snapshot
+     * @return A complete cache, if it exists
+     */
+    getCompleteServerCache(path: Path): Node | null;
+    viewForQuery(query: Query): View | null;
+    viewExistsForQuery(query: Query): boolean;
+    hasCompleteView(): boolean;
+    getCompleteView(): View | null;
+}

node_modules/@firebase/database/dist/src/core/SyncTree.d.ts

@@ -0,0 +1,234 @@
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { Path } from './util/Path';
+import { Query } from '../api/Query';
+import { Node } from './snap/Node';
+import { Event } from './view/Event';
+import { EventRegistration } from './view/EventRegistration';
+/**
+ * @typedef {{
+ *   startListening: function(
+ *     !Query,
+ *     ?number,
+ *     function():string,
+ *     function(!string, *):!Array.<!Event>
+ *   ):!Array.<!Event>,
+ *
+ *   stopListening: function(!Query, ?number)
+ * }}
+ */
+export interface ListenProvider {
+    startListening(query: Query, tag: number | null, hashFn: () => string, onComplete: (a: string, b?: any) => Event[]): Event[];
+    stopListening(a: Query, b: number | null): void;
+}
+/**
+ * SyncTree is the central class for managing event callback registration, data caching, views
+ * (query processing), and event generation.  There are typically two SyncTree instances for
+ * each Repo, one for the normal Firebase data, and one for the .info data.
+ *
+ * It has a number of responsibilities, including:
+ *  - Tracking all user event callbacks (registered via addEventRegistration() and removeEventRegistration()).
+ *  - Applying and caching data changes for user set(), transaction(), and update() calls
+ *    (applyUserOverwrite(), applyUserMerge()).
+ *  - Applying and caching data changes for server data changes (applyServerOverwrite(),
+ *    applyServerMerge()).
+ *  - Generating user-facing events for server and user changes (all of the apply* methods
+ *    return the set of events that need to be raised as a result).
+ *  - Maintaining the appropriate set of server listens to ensure we are always subscribed
+ *    to the correct set of paths and queries to satisfy the current set of user event
+ *    callbacks (listens are started/stopped using the provided listenProvider).
+ *
+ * NOTE: Although SyncTree tracks event callbacks and calculates events to raise, the actual
+ * events are returned to the caller rather than raised synchronously.
+ *
+ * @constructor
+ */
+export declare class SyncTree {
+    private listenProvider_;
+    /**
+     * Tree of SyncPoints.  There's a SyncPoint at any location that has 1 or more views.
+     */
+    private syncPointTree_;
+    /**
+     * A tree of all pending user writes (user-initiated set()'s, transaction()'s, update()'s, etc.).
+     */
+    private pendingWriteTree_;
+    private readonly tagToQueryMap;
+    private readonly queryToTagMap;
+    /**
+     * @param {!ListenProvider} listenProvider_ Used by SyncTree to start / stop listening
+     *   to server data.
+     */
+    constructor(listenProvider_: ListenProvider);
+    /**
+     * Apply the data changes for a user-generated set() or transaction() call.
+     *
+     * @return Events to raise.
+     */
+    applyUserOverwrite(path: Path, newData: Node, writeId: number, visible?: boolean): Event[];
+    /**
+     * Apply the data from a user-generated update() call
+     *
+     * @return Events to raise.
+     */
+    applyUserMerge(path: Path, changedChildren: {
+        [k: string]: Node;
+    }, writeId: number): Event[];
+    /**
+     * Acknowledge a pending user write that was previously registered with applyUserOverwrite() or applyUserMerge().
+     *
+     * @param revert True if the given write failed and needs to be reverted
+     * @return Events to raise.
+     */
+    ackUserWrite(writeId: number, revert?: boolean): Event[];
+    /**
+     * Apply new server data for the specified path..
+     *
+     * @return Events to raise.
+     */
+    applyServerOverwrite(path: Path, newData: Node): Event[];
+    /**
+     * Apply new server data to be merged in at the specified path.
+     *
+     * @return Events to raise.
+     */
+    applyServerMerge(path: Path, changedChildren: {
+        [k: string]: Node;
+    }): Event[];
+    /**
+     * Apply a listen complete for a query
+     *
+     * @return Events to raise.
+     */
+    applyListenComplete(path: Path): Event[];
+    /**
+     * Apply new server data for the specified tagged query.
+     *
+     * @return Events to raise.
+     */
+    applyTaggedQueryOverwrite(path: Path, snap: Node, tag: number): Event[];
+    /**
+     * Apply server data to be merged in for the specified tagged query.
+     *
+     * @return Events to raise.
+     */
+    applyTaggedQueryMerge(path: Path, changedChildren: {
+        [k: string]: Node;
+    }, tag: number): Event[];
+    /**
+     * Apply a listen complete for a tagged query
+     *
+     * @return Events to raise.
+     */
+    applyTaggedListenComplete(path: Path, tag: number): Event[];
+    /**
+     * Add an event callback for the specified query.
+     *
+     * @return Events to raise.
+     */
+    addEventRegistration(query: Query, eventRegistration: EventRegistration): Event[];
+    /**
+     * Remove event callback(s).
+     *
+     * If query is the default query, we'll check all queries for the specified eventRegistration.
+     * If eventRegistration is null, we'll remove all callbacks for the specified query/queries.
+     *
+     * @param eventRegistration If null, all callbacks are removed.
+     * @param cancelError If a cancelError is provided, appropriate cancel events will be returned.
+     * @return Cancel events, if cancelError was provided.
+     */
+    removeEventRegistration(query: Query, eventRegistration: EventRegistration | null, cancelError?: Error): Event[];
+    /**
+     * Returns a complete cache, if we have one, of the data at a particular path. The location must have a listener above
+     * it, but as this is only used by transaction code, that should always be the case anyways.
+     *
+     * Note: this method will *include* hidden writes from transaction with applyLocally set to false.
+     *
+     * @param path The path to the data we want
+     * @param writeIdsToExclude A specific set to be excluded
+     */
+    calcCompleteEventCache(path: Path, writeIdsToExclude?: number[]): Node | null;
+    /**
+     * This collapses multiple unfiltered views into a single view, since we only need a single
+     * listener for them.
+     */
+    private collectDistinctViewsForSubTree_;
+    private removeTags_;
+    /**
+     * Normalizes a query to a query we send the server for listening
+     *
+     * @return The normalized query
+     */
+    private static queryForListening_;
+    /**
+     * For a given new listen, manage the de-duplication of outstanding subscriptions.
+     *
+     * @return This method can return events to support synchronous data sources
+     */
+    private setupListener_;
+    private createListenerForView_;
+    /**
+     * Given a query, computes a "queryKey" suitable for use in our queryToTagMap_.
+     */
+    private static makeQueryKey_;
+    /**
+     * Given a queryKey (created by makeQueryKey), parse it back into a path and queryId.
+     */
+    private static parseQueryKey_;
+    /**
+     * Return the query associated with the given tag, if we have one
+     */
+    private queryKeyForTag_;
+    /**
+     * Return the tag associated with the given query.
+     */
+    private tagForQuery_;
+    /**
+     * Static tracker for next query tag.
+     */
+    private static nextQueryTag_;
+    /**
+     * Static accessor for query tags.
+     */
+    private static getNextQueryTag_;
+    /**
+     * A helper method to apply tagged operations
+     */
+    private applyTaggedOperation_;
+    /**
+     * A helper method that visits all descendant and ancestor SyncPoints, applying the operation.
+     *
+     * NOTES:
+     * - Descendant SyncPoints will be visited first (since we raise events depth-first).
+  
+     * - We call applyOperation() on each SyncPoint passing three things:
+     *   1. A version of the Operation that has been made relative to the SyncPoint location.
+     *   2. A WriteTreeRef of any writes we have cached at the SyncPoint location.
+     *   3. A snapshot Node with cached server data, if we have it.
+  
+     * - We concatenate all of the events returned by each SyncPoint and return the result.
+     */
+    private applyOperationToSyncPoints_;
+    /**
+     * Recursive helper for applyOperationToSyncPoints_
+     */
+    private applyOperationHelper_;
+    /**
+     * Recursive helper for applyOperationToSyncPoints_
+     */
+    private applyOperationDescendantsHelper_;
+}

node_modules/@firebase/database/dist/src/core/WriteTree.d.ts

@@ -0,0 +1,295 @@
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { Path } from './util/Path';
+import { ChildrenNode } from './snap/ChildrenNode';
+import { NamedNode, Node } from './snap/Node';
+import { CacheNode } from './view/CacheNode';
+import { Index } from './snap/indexes/Index';
+/**
+ * Defines a single user-initiated write operation. May be the result of a set(), transaction(), or update() call. In
+ * the case of a set() or transaction, snap wil be non-null.  In the case of an update(), children will be non-null.
+ */
+export interface WriteRecord {
+    writeId: number;
+    path: Path;
+    snap?: Node | null;
+    children?: {
+        [k: string]: Node;
+    } | null;
+    visible: boolean;
+}
+/**
+ * WriteTree tracks all pending user-initiated writes and has methods to calculate the result of merging them
+ * with underlying server data (to create "event cache" data).  Pending writes are added with addOverwrite()
+ * and addMerge(), and removed with removeWrite().
+ *
+ * @constructor
+ */
+export declare class WriteTree {
+    /**
+     * A tree tracking the result of applying all visible writes.  This does not include transactions with
+     * applyLocally=false or writes that are completely shadowed by other writes.
+     *
+     * @type {!CompoundWrite}
+     * @private
+     */
+    private visibleWrites_;
+    /**
+     * A list of all pending writes, regardless of visibility and shadowed-ness.  Used to calculate arbitrary
+     * sets of the changed data, such as hidden writes (from transactions) or changes with certain writes excluded (also
+     * used by transactions).
+     *
+     * @type {!Array.<!WriteRecord>}
+     * @private
+     */
+    private allWrites_;
+    private lastWriteId_;
+    /**
+     * Create a new WriteTreeRef for the given path. For use with a new sync point at the given path.
+     *
+     * @param {!Path} path
+     * @return {!WriteTreeRef}
+     */
+    childWrites(path: Path): WriteTreeRef;
+    /**
+     * Record a new overwrite from user code.
+     *
+     * @param {!Path} path
+     * @param {!Node} snap
+     * @param {!number} writeId
+     * @param {boolean=} visible This is set to false by some transactions. It should be excluded from event caches
+     */
+    addOverwrite(path: Path, snap: Node, writeId: number, visible?: boolean): void;
+    /**
+     * Record a new merge from user code.
+     *
+     * @param {!Path} path
+     * @param {!Object.<string, !Node>} changedChildren
+     * @param {!number} writeId
+     */
+    addMerge(path: Path, changedChildren: {
+        [k: string]: Node;
+    }, writeId: number): void;
+    /**
+     * @param {!number} writeId
+     * @return {?WriteRecord}
+     */
+    getWrite(writeId: number): WriteRecord | null;
+    /**
+     * Remove a write (either an overwrite or merge) that has been successfully acknowledge by the server. Recalculates
+     * the tree if necessary.  We return true if it may have been visible, meaning views need to reevaluate.
+     *
+     * @param {!number} writeId
+     * @return {boolean} true if the write may have been visible (meaning we'll need to reevaluate / raise
+     * events as a result).
+     */
+    removeWrite(writeId: number): boolean;
+    /**
+     * Return a complete snapshot for the given path if there's visible write data at that path, else null.
+     * No server data is considered.
+     *
+     * @param {!Path} path
+     * @return {?Node}
+     */
+    getCompleteWriteData(path: Path): Node | null;
+    /**
+     * Given optional, underlying server data, and an optional set of constraints (exclude some sets, include hidden
+     * writes), attempt to calculate a complete snapshot for the given path
+     *
+     * @param {!Path} treePath
+     * @param {?Node} completeServerCache
+     * @param {Array.<number>=} writeIdsToExclude An optional set to be excluded
+     * @param {boolean=} includeHiddenWrites Defaults to false, whether or not to layer on writes with visible set to false
+     * @return {?Node}
+     */
+    calcCompleteEventCache(treePath: Path, completeServerCache: Node | null, writeIdsToExclude?: number[], includeHiddenWrites?: boolean): Node | null;
+    /**
+     * With optional, underlying server data, attempt to return a children node of children that we have complete data for.
+     * Used when creating new views, to pre-fill their complete event children snapshot.
+     *
+     * @param {!Path} treePath
+     * @param {?ChildrenNode} completeServerChildren
+     * @return {!ChildrenNode}
+     */
+    calcCompleteEventChildren(treePath: Path, completeServerChildren: ChildrenNode | null): Node;
+    /**
+     * Given that the underlying server data has updated, determine what, if anything, needs to be
+     * applied to the event cache.
+     *
+     * Possibilities:
+     *
+     * 1. No writes are shadowing. Events should be raised, the snap to be applied comes from the server data
+     *
+     * 2. Some write is completely shadowing. No events to be raised
+     *
+     * 3. Is partially shadowed. Events
+     *
+     * Either existingEventSnap or existingServerSnap must exist
+     *
+     * @param {!Path} treePath
+     * @param {!Path} childPath
+     * @param {?Node} existingEventSnap
+     * @param {?Node} existingServerSnap
+     * @return {?Node}
+     */
+    calcEventCacheAfterServerOverwrite(treePath: Path, childPath: Path, existingEventSnap: Node | null, existingServerSnap: Node | null): Node | null;
+    /**
+     * Returns a complete child for a given server snap after applying all user writes or null if there is no
+     * complete child for this ChildKey.
+     *
+     * @param {!Path} treePath
+     * @param {!string} childKey
+     * @param {!CacheNode} existingServerSnap
+     * @return {?Node}
+     */
+    calcCompleteChild(treePath: Path, childKey: string, existingServerSnap: CacheNode): Node | null;
+    /**
+     * Returns a node if there is a complete overwrite for this path. More specifically, if there is a write at
+     * a higher path, this will return the child of that write relative to the write and this path.
+     * Returns null if there is no write at this path.
+     */
+    shadowingWrite(path: Path): Node | null;
+    /**
+     * This method is used when processing child remove events on a query. If we can, we pull in children that were outside
+     * the window, but may now be in the window.
+     */
+    calcIndexedSlice(treePath: Path, completeServerData: Node | null, startPost: NamedNode, count: number, reverse: boolean, index: Index): NamedNode[];
+    private recordContainsPath_;
+    /**
+     * Re-layer the writes and merges into a tree so we can efficiently calculate event snapshots
+     */
+    private resetTree_;
+    /**
+     * The default filter used when constructing the tree. Keep everything that's visible.
+     */
+    private static DefaultFilter_;
+    /**
+     * Static method. Given an array of WriteRecords, a filter for which ones to include, and a path, construct the tree of
+     * event data at that path.
+     */
+    private static layerTree_;
+}
+/**
+ * A WriteTreeRef wraps a WriteTree and a path, for convenient access to a particular subtree.  All of the methods
+ * just proxy to the underlying WriteTree.
+ *
+ * @constructor
+ */
+export declare class WriteTreeRef {
+    /**
+     * The path to this particular write tree ref. Used for calling methods on writeTree_ while exposing a simpler
+     * interface to callers.
+     *
+     * @type {!Path}
+     * @private
+     * @const
+     */
+    private readonly treePath_;
+    /**
+     * * A reference to the actual tree of write data. All methods are pass-through to the tree, but with the appropriate
+     * path prefixed.
+     *
+     * This lets us make cheap references to points in the tree for sync points without having to copy and maintain all of
+     * the data.
+     *
+     * @type {!WriteTree}
+     * @private
+     * @const
+     */
+    private readonly writeTree_;
+    /**
+     * @param {!Path} path
+     * @param {!WriteTree} writeTree
+     */
+    constructor(path: Path, writeTree: WriteTree);
+    /**
+     * If possible, returns a complete event cache, using the underlying server data if possible. In addition, can be used
+     * to get a cache that includes hidden writes, and excludes arbitrary writes. Note that customizing the returned node
+     * can lead to a more expensive calculation.
+     *
+     * @param {?Node} completeServerCache
+     * @param {Array.<number>=} writeIdsToExclude Optional writes to exclude.
+     * @param {boolean=} includeHiddenWrites Defaults to false, whether or not to layer on writes with visible set to false
+     * @return {?Node}
+     */
+    calcCompleteEventCache(completeServerCache: Node | null, writeIdsToExclude?: number[], includeHiddenWrites?: boolean): Node | null;
+    /**
+     * If possible, returns a children node containing all of the complete children we have data for. The returned data is a
+     * mix of the given server data and write data.
+     *
+     * @param {?ChildrenNode} completeServerChildren
+     * @return {!ChildrenNode}
+     */
+    calcCompleteEventChildren(completeServerChildren: ChildrenNode | null): ChildrenNode;
+    /**
+     * Given that either the underlying server data has updated or the outstanding writes have updated, determine what,
+     * if anything, needs to be applied to the event cache.
+     *
+     * Possibilities:
+     *
+     * 1. No writes are shadowing. Events should be raised, the snap to be applied comes from the server data
+     *
+     * 2. Some write is completely shadowing. No events to be raised
+     *
+     * 3. Is partially shadowed. Events should be raised
+     *
+     * Either existingEventSnap or existingServerSnap must exist, this is validated via an assert
+     *
+     * @param {!Path} path
+     * @param {?Node} existingEventSnap
+     * @param {?Node} existingServerSnap
+     * @return {?Node}
+     */
+    calcEventCacheAfterServerOverwrite(path: Path, existingEventSnap: Node | null, existingServerSnap: Node | null): Node | null;
+    /**
+     * Returns a node if there is a complete overwrite for this path. More specifically, if there is a write at
+     * a higher path, this will return the child of that write relative to the write and this path.
+     * Returns null if there is no write at this path.
+     *
+     * @param {!Path} path
+     * @return {?Node}
+     */
+    shadowingWrite(path: Path): Node | null;
+    /**
+     * This method is used when processing child remove events on a query. If we can, we pull in children that were outside
+     * the window, but may now be in the window
+     *
+     * @param {?Node} completeServerData
+     * @param {!NamedNode} startPost
+     * @param {!number} count
+     * @param {boolean} reverse
+     * @param {!Index} index
+     * @return {!Array.<!NamedNode>}
+     */
+    calcIndexedSlice(completeServerData: Node | null, startPost: NamedNode, count: number, reverse: boolean, index: Index): NamedNode[];
+    /**
+     * Returns a complete child for a given server snap after applying all user writes or null if there is no
+     * complete child for this ChildKey.
+     *
+     * @param {!string} childKey
+     * @param {!CacheNode} existingServerCache
+     * @return {?Node}
+     */
+    calcCompleteChild(childKey: string, existingServerCache: CacheNode): Node | null;
+    /**
+     * Return a WriteTreeRef for a child.
+     *
+     * @param {string} childName
+     * @return {!WriteTreeRef}
+     */
+    child(childName: string): WriteTreeRef;
+}

node_modules/@firebase/database/dist/src/core/operation/AckUserWrite.d.ts

@@ -0,0 +1,42 @@
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { Path } from '../util/Path';
+import { Operation, OperationSource, OperationType } from './Operation';
+import { ImmutableTree } from '../util/ImmutableTree';
+export declare class AckUserWrite implements Operation {
+    /**@inheritDoc */ path: Path;
+    /**@inheritDoc */ affectedTree: ImmutableTree<boolean>;
+    /**@inheritDoc */ revert: boolean;
+    /** @inheritDoc */
+    type: OperationType;
+    /** @inheritDoc */
+    source: OperationSource;
+    /**
+     *
+     * @param {!Path} path
+     * @param {!ImmutableTree<!boolean>} affectedTree A tree containing true for each affected path. Affected paths can't overlap.
+     * @param {!boolean} revert
+     */
+    constructor(
+    /**@inheritDoc */ path: Path, 
+    /**@inheritDoc */ affectedTree: ImmutableTree<boolean>, 
+    /**@inheritDoc */ revert: boolean);
+    /**
+     * @inheritDoc
+     */
+    operationForChild(childName: string): AckUserWrite;
+}

node_modules/@firebase/database/dist/src/core/operation/ListenComplete.d.ts

@@ -0,0 +1,32 @@
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { Path } from '../util/Path';
+import { Operation, OperationSource, OperationType } from './Operation';
+/**
+ * @param {!OperationSource} source
+ * @param {!Path} path
+ * @constructor
+ * @implements {Operation}
+ */
+export declare class ListenComplete implements Operation {
+    source: OperationSource;
+    path: Path;
+    /** @inheritDoc */
+    type: OperationType;
+    constructor(source: OperationSource, path: Path);
+    operationForChild(childName: string): ListenComplete;
+}

node_modules/@firebase/database/dist/src/core/operation/Merge.d.ts

@@ -0,0 +1,46 @@
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { Operation, OperationSource, OperationType } from './Operation';
+import { Path } from '../util/Path';
+import { ImmutableTree } from '../util/ImmutableTree';
+import { Node } from '../snap/Node';
+/**
+ * @param {!OperationSource} source
+ * @param {!Path} path
+ * @param {!ImmutableTree.<!Node>} children
+ * @constructor
+ * @implements {Operation}
+ */
+export declare class Merge implements Operation {
+    /**@inheritDoc */ source: OperationSource;
+    /**@inheritDoc */ path: Path;
+    /**@inheritDoc */ children: ImmutableTree<Node>;
+    /** @inheritDoc */
+    type: OperationType;
+    constructor(
+    /**@inheritDoc */ source: OperationSource, 
+    /**@inheritDoc */ path: Path, 
+    /**@inheritDoc */ children: ImmutableTree<Node>);
+    /**
+     * @inheritDoc
+     */
+    operationForChild(childName: string): Operation;
+    /**
+     * @inheritDoc
+     */
+    toString(): string;
+}

node_modules/@firebase/database/dist/src/core/operation/Operation.d.ts

@@ -0,0 +1,78 @@
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { Path } from '../util/Path';
+/**
+ *
+ * @enum
+ */
+export declare enum OperationType {
+    OVERWRITE = 0,
+    MERGE = 1,
+    ACK_USER_WRITE = 2,
+    LISTEN_COMPLETE = 3
+}
+/**
+ * @interface
+ */
+export interface Operation {
+    /**
+     * @type {!OperationSource}
+     */
+    source: OperationSource;
+    /**
+     * @type {!OperationType}
+     */
+    type: OperationType;
+    /**
+     * @type {!Path}
+     */
+    path: Path;
+    /**
+     * @param {string} childName
+     * @return {?Operation}
+     */
+    operationForChild(childName: string): Operation | null;
+}
+/**
+ * @param {boolean} fromUser
+ * @param {boolean} fromServer
+ * @param {?string} queryId
+ * @param {boolean} tagged
+ * @constructor
+ */
+export declare class OperationSource {
+    fromUser: boolean;
+    fromServer: boolean;
+    queryId: string | null;
+    tagged: boolean;
+    constructor(fromUser: boolean, fromServer: boolean, queryId: string | null, tagged: boolean);
+    /**
+     * @const
+     * @type {!OperationSource}
+     */
+    static User: OperationSource;
+    /**
+     * @const
+     * @type {!OperationSource}
+     */
+    static Server: OperationSource;
+    /**
+     * @param {string} queryId
+     * @return {!OperationSource}
+     */
+    static forServerTaggedQuery: (queryId: string) => OperationSource;
+}

node_modules/@firebase/database/dist/src/core/operation/Overwrite.d.ts

@@ -0,0 +1,35 @@
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { Operation, OperationSource, OperationType } from './Operation';
+import { Path } from '../util/Path';
+import { Node } from '../snap/Node';
+/**
+ * @param {!OperationSource} source
+ * @param {!Path} path
+ * @param {!Node} snap
+ * @constructor
+ * @implements {Operation}
+ */
+export declare class Overwrite implements Operation {
+    source: OperationSource;
+    path: Path;
+    snap: Node;
+    /** @inheritDoc */
+    type: OperationType;
+    constructor(source: OperationSource, path: Path, snap: Node);
+    operationForChild(childName: string): Overwrite;
+}

node_modules/@firebase/database/dist/src/core/snap/ChildrenNode.d.ts

@@ -0,0 +1,180 @@
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { SortedMap, SortedMapIterator } from '../util/SortedMap';
+import { Node, NamedNode } from './Node';
+import { IndexMap } from './IndexMap';
+import { Index } from './indexes/Index';
+import { Path } from '../util/Path';
+export interface ChildrenNodeConstructor {
+    new (children_: SortedMap<string, Node>, priorityNode_: Node | null, indexMap_: IndexMap): ChildrenNode;
+    EMPTY_NODE: ChildrenNode;
+}
+/**
+ * ChildrenNode is a class for storing internal nodes in a DataSnapshot
+ * (i.e. nodes with children).  It implements Node and stores the
+ * list of children in the children property, sorted by child name.
+ *
+ * @constructor
+ * @implements {Node}
+ */
+export declare class ChildrenNode implements Node {
+    private readonly children_;
+    private readonly priorityNode_;
+    private indexMap_;
+    private lazyHash_;
+    static readonly EMPTY_NODE: ChildrenNode;
+    /**
+     *
+     * @param {!SortedMap.<string, !Node>} children_ List of children
+     * of this node..
+     * @param {?Node} priorityNode_ The priority of this node (as a snapshot node).
+     * @param {!IndexMap} indexMap_
+     */
+    constructor(children_: SortedMap<string, Node>, priorityNode_: Node | null, indexMap_: IndexMap);
+    /** @inheritDoc */
+    isLeafNode(): boolean;
+    /** @inheritDoc */
+    getPriority(): Node;
+    /** @inheritDoc */
+    updatePriority(newPriorityNode: Node): Node;
+    /** @inheritDoc */
+    getImmediateChild(childName: string): Node;
+    /** @inheritDoc */
+    getChild(path: Path): Node;
+    /** @inheritDoc */
+    hasChild(childName: string): boolean;
+    /** @inheritDoc */
+    updateImmediateChild(childName: string, newChildNode: Node): Node;
+    /** @inheritDoc */
+    updateChild(path: Path, newChildNode: Node): Node;
+    /** @inheritDoc */
+    isEmpty(): boolean;
+    /** @inheritDoc */
+    numChildren(): number;
+    /**
+     * @private
+     * @type {RegExp}
+     */
+    private static INTEGER_REGEXP_;
+    /** @inheritDoc */
+    val(exportFormat?: boolean): object;
+    /** @inheritDoc */
+    hash(): string;
+    /** @inheritDoc */
+    getPredecessorChildName(childName: string, childNode: Node, index: Index): string;
+    /**
+     * @param {!Index} indexDefinition
+     * @return {?string}
+     */
+    getFirstChildName(indexDefinition: Index): string | null;
+    /**
+     * @param {!Index} indexDefinition
+     * @return {?NamedNode}
+     */
+    getFirstChild(indexDefinition: Index): NamedNode | null;
+    /**
+     * Given an index, return the key name of the largest value we have, according to that index
+     * @param {!Index} indexDefinition
+     * @return {?string}
+     */
+    getLastChildName(indexDefinition: Index): string | null;
+    /**
+     * @param {!Index} indexDefinition
+     * @return {?NamedNode}
+     */
+    getLastChild(indexDefinition: Index): NamedNode | null;
+    /**
+     * @inheritDoc
+     */
+    forEachChild(index: Index, action: (key: string, node: Node) => boolean | void): boolean;
+    /**
+     * @param {!Index} indexDefinition
+     * @return {SortedMapIterator}
+     */
+    getIterator(indexDefinition: Index): SortedMapIterator<string | NamedNode, Node, NamedNode>;
+    /**
+     *
+     * @param {!NamedNode} startPost
+     * @param {!Index} indexDefinition
+     * @return {!SortedMapIterator}
+     */
+    getIteratorFrom(startPost: NamedNode, indexDefinition: Index): SortedMapIterator<string | NamedNode, Node, NamedNode>;
+    /**
+     * @param {!Index} indexDefinition
+     * @return {!SortedMapIterator}
+     */
+    getReverseIterator(indexDefinition: Index): SortedMapIterator<string | NamedNode, Node, NamedNode>;
+    /**
+     * @param {!NamedNode} endPost
+     * @param {!Index} indexDefinition
+     * @return {!SortedMapIterator}
+     */
+    getReverseIteratorFrom(endPost: NamedNode, indexDefinition: Index): SortedMapIterator<string | NamedNode, Node, NamedNode>;
+    /**
+     * @inheritDoc
+     */
+    compareTo(other: ChildrenNode): number;
+    /**
+     * @inheritDoc
+     */
+    withIndex(indexDefinition: Index): Node;
+    /**
+     * @inheritDoc
+     */
+    isIndexed(index: Index): boolean;
+    /**
+     * @inheritDoc
+     */
+    equals(other: Node): boolean;
+    /**
+     * Returns a SortedMap ordered by index, or null if the default (by-key) ordering can be used
+     * instead.
+     *
+     * @private
+     * @param {!Index} indexDefinition
+     * @return {?SortedMap.<NamedNode, Node>}
+     */
+    private resolveIndex_;
+}
+/**
+ * @constructor
+ * @extends {ChildrenNode}
+ * @private
+ */
+export declare class MaxNode extends ChildrenNode {
+    constructor();
+    compareTo(other: Node): number;
+    equals(other: Node): boolean;
+    getPriority(): MaxNode;
+    getImmediateChild(childName: string): ChildrenNode;
+    isEmpty(): boolean;
+}
+/**
+ * Marker that will sort higher than any other snapshot.
+ * @type {!MAX_NODE}
+ * @const
+ */
+export declare const MAX_NODE: MaxNode;
+/**
+ * Document NamedNode extensions
+ */
+declare module './Node' {
+    interface NamedNode {
+        MIN: NamedNode;
+        MAX: NamedNode;
+    }
+}

node_modules/@firebase/database/dist/src/core/snap/IndexMap.d.ts

@@ -0,0 +1,43 @@
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { NamedNode, Node } from './Node';
+import { SortedMap } from '../util/SortedMap';
+import { Index } from './indexes/Index';
+export declare class IndexMap {
+    private indexes_;
+    private indexSet_;
+    /**
+     * The default IndexMap for nodes without a priority
+     */
+    static readonly Default: IndexMap;
+    constructor(indexes_: {
+        [k: string]: SortedMap<NamedNode, Node> | /*FallbackType*/ object;
+    }, indexSet_: {
+        [k: string]: Index;
+    });
+    get(indexKey: string): SortedMap<NamedNode, Node> | null;
+    hasIndex(indexDefinition: Index): boolean;
+    addIndex(indexDefinition: Index, existingChildren: SortedMap<string, Node>): IndexMap;
+    /**
+     * Ensure that this node is properly tracked in any indexes that we're maintaining
+     */
+    addToIndexes(namedNode: NamedNode, existingChildren: SortedMap<string, Node>): IndexMap;
+    /**
+     * Create a new IndexMap instance with the given value removed
+     */
+    removeFromIndexes(namedNode: NamedNode, existingChildren: SortedMap<string, Node>): IndexMap;
+}

node_modules/@firebase/database/dist/src/core/snap/LeafNode.d.ts

@@ -0,0 +1,105 @@
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { Node } from './Node';
+import { Path } from '../util/Path';
+import { Index } from './indexes/Index';
+import { ChildrenNodeConstructor } from './ChildrenNode';
+/**
+ * LeafNode is a class for storing leaf nodes in a DataSnapshot.  It
+ * implements Node and stores the value of the node (a string,
+ * number, or boolean) accessible via getValue().
+ */
+export declare class LeafNode implements Node {
+    private readonly value_;
+    private priorityNode_;
+    static __childrenNodeConstructor: ChildrenNodeConstructor;
+    /**
+     * The sort order for comparing leaf nodes of different types. If two leaf nodes have
+     * the same type, the comparison falls back to their value
+     * @type {Array.<!string>}
+     * @const
+     */
+    static VALUE_TYPE_ORDER: string[];
+    private lazyHash_;
+    /**
+     * @implements {Node}
+     * @param {!(string|number|boolean|Object)} value_ The value to store in this leaf node.
+     *                                         The object type is possible in the event of a deferred value
+     * @param {!Node=} priorityNode_ The priority of this node.
+     */
+    constructor(value_: string | number | boolean | object, priorityNode_?: Node);
+    /** @inheritDoc */
+    isLeafNode(): boolean;
+    /** @inheritDoc */
+    getPriority(): Node;
+    /** @inheritDoc */
+    updatePriority(newPriorityNode: Node): Node;
+    /** @inheritDoc */
+    getImmediateChild(childName: string): Node;
+    /** @inheritDoc */
+    getChild(path: Path): Node;
+    /**
+     * @inheritDoc
+     */
+    hasChild(): boolean;
+    /** @inheritDoc */
+    getPredecessorChildName(childName: String, childNode: Node): null;
+    /** @inheritDoc */
+    updateImmediateChild(childName: string, newChildNode: Node): Node;
+    /** @inheritDoc */
+    updateChild(path: Path, newChildNode: Node): Node;
+    /** @inheritDoc */
+    isEmpty(): boolean;
+    /** @inheritDoc */
+    numChildren(): number;
+    /** @inheritDoc */
+    forEachChild(index: Index, action: (s: string, n: Node) => void): any;
+    /**
+     * @inheritDoc
+     */
+    val(exportFormat?: boolean): Object;
+    /** @inheritDoc */
+    hash(): string;
+    /**
+     * Returns the value of the leaf node.
+     * @return {Object|string|number|boolean} The value of the node.
+     */
+    getValue(): object | string | number | boolean;
+    /**
+     * @inheritDoc
+     */
+    compareTo(other: Node): number;
+    /**
+     * Comparison specifically for two leaf nodes
+     * @param {!LeafNode} otherLeaf
+     * @return {!number}
+     * @private
+     */
+    private compareToLeafNode_;
+    /**
+     * @inheritDoc
+     */
+    withIndex(): Node;
+    /**
+     * @inheritDoc
+     */
+    isIndexed(): boolean;
+    /**
+     * @inheritDoc
+     */
+    equals(other: Node): boolean;
+}

node_modules/@firebase/database/dist/src/core/snap/Node.d.ts

@@ -0,0 +1,148 @@
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { Path } from '../util/Path';
+import { Index } from './indexes/Index';
+/**
+ * Node is an interface defining the common functionality for nodes in
+ * a DataSnapshot.
+ *
+ * @interface
+ */
+export interface Node {
+    /**
+     * Whether this node is a leaf node.
+     * @return {boolean} Whether this is a leaf node.
+     */
+    isLeafNode(): boolean;
+    /**
+     * Gets the priority of the node.
+     * @return {!Node} The priority of the node.
+     */
+    getPriority(): Node;
+    /**
+     * Returns a duplicate node with the new priority.
+     * @param {!Node} newPriorityNode New priority to set for the node.
+     * @return {!Node} Node with new priority.
+     */
+    updatePriority(newPriorityNode: Node): Node;
+    /**
+     * Returns the specified immediate child, or null if it doesn't exist.
+     * @param {string} childName The name of the child to retrieve.
+     * @return {!Node} The retrieved child, or an empty node.
+     */
+    getImmediateChild(childName: string): Node;
+    /**
+     * Returns a child by path, or null if it doesn't exist.
+     * @param {!Path} path The path of the child to retrieve.
+     * @return {!Node} The retrieved child or an empty node.
+     */
+    getChild(path: Path): Node;
+    /**
+     * Returns the name of the child immediately prior to the specified childNode, or null.
+     * @param {!string} childName The name of the child to find the predecessor of.
+     * @param {!Node} childNode The node to find the predecessor of.
+     * @param {!Index} index The index to use to determine the predecessor
+     * @return {?string} The name of the predecessor child, or null if childNode is the first child.
+     */
+    getPredecessorChildName(childName: String, childNode: Node, index: Index): string | null;
+    /**
+     * Returns a duplicate node, with the specified immediate child updated.
+     * Any value in the node will be removed.
+     * @param {string} childName The name of the child to update.
+     * @param {!Node} newChildNode The new child node
+     * @return {!Node} The updated node.
+     */
+    updateImmediateChild(childName: string, newChildNode: Node): Node;
+    /**
+     * Returns a duplicate node, with the specified child updated.  Any value will
+     * be removed.
+     * @param {!Path} path The path of the child to update.
+     * @param {!Node} newChildNode The new child node, which may be an empty node
+     * @return {!Node} The updated node.
+     */
+    updateChild(path: Path, newChildNode: Node): Node;
+    /**
+     * True if the immediate child specified exists
+     * @param {!string} childName
+     * @return {boolean}
+     */
+    hasChild(childName: string): boolean;
+    /**
+     * @return {boolean} True if this node has no value or children.
+     */
+    isEmpty(): boolean;
+    /**
+     * @return {number} The number of children of this node.
+     */
+    numChildren(): number;
+    /**
+     * Calls action for each child.
+     * @param {!Index} index
+     * @param {function(string, !Node)} action Action to be called for
+     * each child.  It's passed the child name and the child node.
+     * @return {*} The first truthy value return by action, or the last falsey one
+     */
+    forEachChild(index: Index, action: (a: string, b: Node) => void): any;
+    /**
+     * @param exportFormat True for export format (also wire protocol format).
+     * @return Value of this node as JSON.
+     */
+    val(exportFormat?: boolean): unknown;
+    /**
+     * @return {string} hash representing the node contents.
+     */
+    hash(): string;
+    /**
+     * @param {!Node} other Another node
+     * @return {!number} -1 for less than, 0 for equal, 1 for greater than other
+     */
+    compareTo(other: Node): number;
+    /**
+     * @param {!Node} other
+     * @return {boolean} Whether or not this snapshot equals other
+     */
+    equals(other: Node): boolean;
+    /**
+     * @param {!Index} indexDefinition
+     * @return {!Node} This node, with the specified index now available
+     */
+    withIndex(indexDefinition: Index): Node;
+    /**
+     * @param {!Index} indexDefinition
+     * @return {boolean}
+     */
+    isIndexed(indexDefinition: Index): boolean;
+}
+/**
+ *
+ * @param {!string} name
+ * @param {!Node} node
+ * @constructor
+ * @struct
+ */
+export declare class NamedNode {
+    name: string;
+    node: Node;
+    constructor(name: string, node: Node);
+    /**
+     *
+     * @param {!string} name
+     * @param {!Node} node
+     * @return {NamedNode}
+     */
+    static Wrap(name: string, node: Node): NamedNode;
+}

node_modules/@firebase/database/dist/src/core/snap/childSet.d.ts

@@ -0,0 +1,34 @@
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { SortedMap } from '../util/SortedMap';
+import { NamedNode } from './Node';
+/**
+ * Takes a list of child nodes and constructs a SortedSet using the given comparison
+ * function
+ *
+ * Uses the algorithm described in the paper linked here:
+ * http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.46.1458
+ *
+ * @template K, V
+ * @param {Array.<!NamedNode>} childList Unsorted list of children
+ * @param {function(!NamedNode, !NamedNode):number} cmp The comparison method to be used
+ * @param {(function(NamedNode):K)=} keyFn An optional function to extract K from a node wrapper, if K's
+ *                                                        type is not NamedNode
+ * @param {(function(K, K):number)=} mapSortFn An optional override for comparator used by the generated sorted map
+ * @return {SortedMap.<K, V>}
+ */
+export declare const buildChildSet: <K, V>(childList: NamedNode[], cmp: (a: NamedNode, b: NamedNode) => number, keyFn?: (a: NamedNode) => K, mapSortFn?: (a: K, b: K) => number) => SortedMap<K, V>;

node_modules/@firebase/database/dist/src/core/snap/comparators.d.ts

@@ -0,0 +1,19 @@
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { NamedNode } from './Node';
+export declare function NAME_ONLY_COMPARATOR(left: NamedNode, right: NamedNode): number;
+export declare function NAME_COMPARATOR(left: string, right: string): number;

node_modules/@firebase/database/dist/src/core/snap/indexes/Index.d.ts

@@ -0,0 +1,69 @@
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { Node, NamedNode } from '../Node';
+import { Comparator } from '../../util/SortedMap';
+/**
+ *
+ * @constructor
+ */
+export declare abstract class Index {
+    /**
+     * @param {!NamedNode} a
+     * @param {!NamedNode} b
+     * @return {number}
+     */
+    abstract compare(a: NamedNode, b: NamedNode): number;
+    /**
+     * @param {!Node} node
+     * @return {boolean}
+     */
+    abstract isDefinedOn(node: Node): boolean;
+    /**
+     * @return {function(!NamedNode, !NamedNode):number} A standalone comparison function for
+     * this index
+     */
+    getCompare(): Comparator<NamedNode>;
+    /**
+     * Given a before and after value for a node, determine if the indexed value has changed. Even if they are different,
+     * it's possible that the changes are isolated to parts of the snapshot that are not indexed.
+     *
+     * @param {!Node} oldNode
+     * @param {!Node} newNode
+     * @return {boolean} True if the portion of the snapshot being indexed changed between oldNode and newNode
+     */
+    indexedValueChanged(oldNode: Node, newNode: Node): boolean;
+    /**
+     * @return {!NamedNode} a node wrapper that will sort equal to or less than
+     * any other node wrapper, using this index
+     */
+    minPost(): NamedNode;
+    /**
+     * @return {!NamedNode} a node wrapper that will sort greater than or equal to
+     * any other node wrapper, using this index
+     */
+    abstract maxPost(): NamedNode;
+    /**
+     * @param {*} indexValue
+     * @param {string} name
+     * @return {!NamedNode}
+     */
+    abstract makePost(indexValue: any, name: string): NamedNode;
+    /**
+     * @return {!string} String representation for inclusion in a query spec
+     */
+    abstract toString(): string;
+}

node_modules/@firebase/database/dist/src/core/snap/indexes/KeyIndex.d.ts

@@ -0,0 +1,53 @@
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { Index } from './Index';
+import { Node, NamedNode } from '../Node';
+import { ChildrenNode } from '../ChildrenNode';
+export declare class KeyIndex extends Index {
+    static __EMPTY_NODE: ChildrenNode;
+    /**
+     * @inheritDoc
+     */
+    compare(a: NamedNode, b: NamedNode): number;
+    /**
+     * @inheritDoc
+     */
+    isDefinedOn(node: Node): boolean;
+    /**
+     * @inheritDoc
+     */
+    indexedValueChanged(oldNode: Node, newNode: Node): boolean;
+    /**
+     * @inheritDoc
+     */
+    minPost(): any;
+    /**
+     * @inheritDoc
+     */
+    maxPost(): NamedNode;
+    /**
+     * @param {*} indexValue
+     * @param {string} name
+     * @return {!NamedNode}
+     */
+    makePost(indexValue: string, name: string): NamedNode;
+    /**
+     * @return {!string} String representation for inclusion in a query spec
+     */
+    toString(): string;
+}
+export declare const KEY_INDEX: KeyIndex;

node_modules/@firebase/database/dist/src/core/snap/indexes/PathIndex.d.ts

@@ -0,0 +1,54 @@
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { Index } from './Index';
+import { NamedNode, Node } from '../Node';
+import { Path } from '../../util/Path';
+/**
+ * @param {!Path} indexPath
+ * @constructor
+ * @extends {Index}
+ */
+export declare class PathIndex extends Index {
+    private indexPath_;
+    constructor(indexPath_: Path);
+    /**
+     * @param {!Node} snap
+     * @return {!Node}
+     * @protected
+     */
+    protected extractChild(snap: Node): Node;
+    /**
+     * @inheritDoc
+     */
+    isDefinedOn(node: Node): boolean;
+    /**
+     * @inheritDoc
+     */
+    compare(a: NamedNode, b: NamedNode): number;
+    /**
+     * @inheritDoc
+     */
+    makePost(indexValue: object, name: string): NamedNode;
+    /**
+     * @inheritDoc
+     */
+    maxPost(): NamedNode;
+    /**
+     * @inheritDoc
+     */
+    toString(): string;
+}

node_modules/@firebase/database/dist/src/core/snap/indexes/PriorityIndex.d.ts

@@ -0,0 +1,58 @@
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { Index } from './Index';
+import { NamedNode, Node } from '../Node';
+export declare function setNodeFromJSON(val: (a: any) => Node): void;
+export declare function setMaxNode(val: Node): void;
+/**
+ * @constructor
+ * @extends {Index}
+ * @private
+ */
+export declare class PriorityIndex extends Index {
+    /**
+     * @inheritDoc
+     */
+    compare(a: NamedNode, b: NamedNode): number;
+    /**
+     * @inheritDoc
+     */
+    isDefinedOn(node: Node): boolean;
+    /**
+     * @inheritDoc
+     */
+    indexedValueChanged(oldNode: Node, newNode: Node): boolean;
+    /**
+     * @inheritDoc
+     */
+    minPost(): NamedNode;
+    /**
+     * @inheritDoc
+     */
+    maxPost(): NamedNode;
+    /**
+     * @param {*} indexValue
+     * @param {string} name
+     * @return {!NamedNode}
+     */
+    makePost(indexValue: any, name: string): NamedNode;
+    /**
+     * @return {!string} String representation for inclusion in a query spec
+     */
+    toString(): string;
+}
+export declare const PRIORITY_INDEX: PriorityIndex;

node_modules/@firebase/database/dist/src/core/snap/indexes/ValueIndex.d.ts

@@ -0,0 +1,56 @@
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { Index } from './Index';
+import { NamedNode, Node } from '../Node';
+/**
+ * @constructor
+ * @extends {Index}
+ * @private
+ */
+export declare class ValueIndex extends Index {
+    /**
+     * @inheritDoc
+     */
+    compare(a: NamedNode, b: NamedNode): number;
+    /**
+     * @inheritDoc
+     */
+    isDefinedOn(node: Node): boolean;
+    /**
+     * @inheritDoc
+     */
+    indexedValueChanged(oldNode: Node, newNode: Node): boolean;
+    /**
+     * @inheritDoc
+     */
+    minPost(): NamedNode;
+    /**
+     * @inheritDoc
+     */
+    maxPost(): NamedNode;
+    /**
+     * @param {*} indexValue
+     * @param {string} name
+     * @return {!NamedNode}
+     */
+    makePost(indexValue: object, name: string): NamedNode;
+    /**
+     * @return {!string} String representation for inclusion in a query spec
+     */
+    toString(): string;
+}
+export declare const VALUE_INDEX: ValueIndex;

node_modules/@firebase/database/dist/src/core/snap/nodeFromJSON.d.ts

@@ -0,0 +1,25 @@
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { Node } from './Node';
+/**
+ * Constructs a snapshot node representing the passed JSON and returns it.
+ * @param {*} json JSON to create a node for.
+ * @param {?string|?number=} priority Optional priority to use.  This will be ignored if the
+ * passed JSON contains a .priority property.
+ * @return {!Node}
+ */
+export declare function nodeFromJSON(json: any | null, priority?: string | number | null): Node;

node_modules/@firebase/database/dist/src/core/snap/snap.d.ts

@@ -0,0 +1,29 @@
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { Node } from './Node';
+export declare function setMaxNode(val: Node): void;
+/**
+ * @param {(!string|!number)} priority
+ * @return {!string}
+ */
+export declare const priorityHashText: (priority: string | number) => string;
+/**
+ * Validates that a priority snapshot Node is valid.
+ *
+ * @param {!Node} priorityNode
+ */
+export declare const validatePriorityNode: (priorityNode: Node) => void;

node_modules/@firebase/database/dist/src/core/stats/StatsCollection.d.ts

@@ -0,0 +1,28 @@
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/**
+ * Tracks a collection of stats.
+ *
+ * @constructor
+ */
+export declare class StatsCollection {
+    private counters_;
+    incrementCounter(name: string, amount?: number): void;
+    get(): {
+        [k: string]: number;
+    };
+}