initial commit

server/node_modules/@firebase/app-check-interop-types/README.md

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+# @firebase/app-check-interop-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.**

server/node_modules/@firebase/app-check-interop-types/index.d.ts

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+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * 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 interface FirebaseAppCheckInternal {
+  // Get the current AttestationToken. Attaches to the most recent in-flight request if one
+  // is present. Returns null if no token is present and no token requests are in-flight.
+  getToken(forceRefresh?: boolean): Promise<AppCheckTokenResult>;
+
+  // Always returns a fresh limited-use token suitable for Replay Protection.
+  // The returned token must be used and consumed as soon as possible.
+  getLimitedUseToken(): Promise<AppCheckTokenResult>;
+
+  // Registers a listener to changes in the token state. There can be more than one listener
+  // registered at the same time for one or more FirebaseAppAttestation instances. The
+  // listeners call back on the UI thread whenever the current token associated with this
+  // FirebaseAppAttestation changes.
+  addTokenListener(listener: AppCheckTokenListener): void;
+
+  // Unregisters a listener to changes in the token state.
+  removeTokenListener(listener: AppCheckTokenListener): void;
+}
+
+type AppCheckTokenListener = (token: AppCheckTokenResult) => void;
+
+// If the error field is defined, the token field will be populated with a dummy token
+interface AppCheckTokenResult {
+  readonly token: string;
+  readonly error?: Error;
+}
+
+export type AppCheckInternalComponentName = 'app-check-internal';
+
+declare module '@firebase/component' {
+  interface NameServiceMapping {
+    'app-check-internal': FirebaseAppCheckInternal;
+  }
+}

server/node_modules/@firebase/app-check-interop-types/package.json

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+{
+  "name": "@firebase/app-check-interop-types",
+  "version": "0.3.3",
+  "description": "@firebase/app-check-interop-types Types",
+  "author": "Firebase <firebase-support@google.com> (https://firebase.google.com/)",
+  "license": "Apache-2.0",
+  "scripts": {
+    "test": "tsc",
+    "test:ci": "node ../../scripts/run_tests_in_ci.js"
+  },
+  "files": [
+    "index.d.ts"
+  ],
+  "repository": {
+    "directory": "packages/app-check-interop-types",
+    "type": "git",
+    "url": "git+https://github.com/firebase/firebase-js-sdk.git"
+  },
+  "bugs": {
+    "url": "https://github.com/firebase/firebase-js-sdk/issues"
+  },
+  "devDependencies": {
+    "typescript": "5.5.4"
+  }
+}

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

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+# @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.**

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

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+/**
+ * @license
+ * Copyright 2017 Google LLC
+ *
+ * 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 { LogCallback, LogLevelString, LogOptions } from '@firebase/logger';
+
+export type FirebaseOptions = {
+  apiKey?: string;
+  authDomain?: string;
+  databaseURL?: string;
+  projectId?: string;
+  storageBucket?: string;
+  messagingSenderId?: string;
+  appId?: string;
+  measurementId?: string;
+};
+
+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[];
+
+  /**
+   * Registers a library's name and version for platform logging purposes.
+   * @param library Name of 1p or 3p library (e.g. firestore, angularfire)
+   * @param version Current version of that library.
+   */
+  registerVersion(library: string, version: string, variant?: string): void;
+
+  // Sets log level for all Firebase components.
+  setLogLevel(logLevel: LogLevelString): void;
+
+  // Sets log handler for all Firebase components.
+  onLog(logCallback: LogCallback, options?: LogOptions): void;
+
+  // The current SDK version.
+  SDK_VERSION: string;
+}
+
+export interface VersionService {
+  library: string;
+  version: string;
+}
+
+declare module '@firebase/component' {
+  interface NameServiceMapping {
+    'app-version': VersionService;
+    'platform-identifier': VersionService;
+  }
+}

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

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+{
+  "name": "@firebase/app-types",
+  "version": "0.9.3",
+  "description": "@firebase/app Types",
+  "author": "Firebase <firebase-support@google.com> (https://firebase.google.com/)",
+  "license": "Apache-2.0",
+  "scripts": {
+    "test": "tsc",
+    "test:ci": "node ../../scripts/run_tests_in_ci.js"
+  },
+  "files": [
+    "index.d.ts",
+    "private.d.ts"
+  ],
+  "repository": {
+    "directory": "packages/app-types",
+    "type": "git",
+    "url": "git+https://github.com/firebase/firebase-js-sdk.git"
+  },
+  "bugs": {
+    "url": "https://github.com/firebase/firebase-js-sdk/issues"
+  },
+  "dependency": {
+    "@firebase/logger": "0.2.6"
+  },
+  "devDependencies": {
+    "typescript": "5.5.4"
+  }
+}

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

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+/**
+ * @license
+ * Copyright 2017 Google LLC
+ *
+ * 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';
+import { Component, ComponentContainer, Name } from '@firebase/component';
+
+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;
+}
+
+export interface PlatformLoggerService {
+  getPlatformInfoString(): string;
+}
+
+/**
+ * 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;
+  analytics: {
+    logEvent: (
+      eventName: string,
+      eventParams: { [key: string]: any },
+      options?: { global: boolean }
+    ) => void;
+  };
+}
+
+export interface _FirebaseApp extends FirebaseApp {
+  container: ComponentContainer;
+  _addComponent<T extends Name>(component: Component<T>): void;
+  _addOrOverwriteComponent<T extends Name>(component: Component<T>): void;
+  _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.
+     */
+    registerComponent<T extends Name>(
+      component: Component<T>
+    ): FirebaseServiceNamespace<FirebaseService> | null;
+
+    /**
+     * 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;
+
+    /**
+     * registered components.
+     */
+    components: Map<string, Component>;
+
+    /*
+     * 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;
+  };
+}
+
+declare module '@firebase/component' {
+  interface NameServiceMapping {
+    'platform-logger': PlatformLoggerService;
+  }
+}

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

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+# @firebase/auth-interop-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.**

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

@@ -0,0 +1,35 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ *
+ * 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 interface FirebaseAuthTokenData {
+  accessToken: string;
+}
+
+export interface FirebaseAuthInternal {
+  getToken(refreshToken?: boolean): Promise<FirebaseAuthTokenData | null>;
+  getUid(): string | null;
+  addAuthTokenListener(fn: (token: string | null) => void): void;
+  removeAuthTokenListener(fn: (token: string | null) => void): void;
+}
+
+export type FirebaseAuthInternalName = 'auth-internal';
+
+declare module '@firebase/component' {
+  interface NameServiceMapping {
+    'auth-internal': FirebaseAuthInternal;
+  }
+}

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

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+{
+  "name": "@firebase/auth-interop-types",
+  "version": "0.2.4",
+  "description": "@firebase/auth interop Types",
+  "author": "Firebase <firebase-support@google.com> (https://firebase.google.com/)",
+  "license": "Apache-2.0",
+  "scripts": {
+    "test": "tsc",
+    "test:ci": "node ../../scripts/run_tests_in_ci.js"
+  },
+  "files": [
+    "index.d.ts"
+  ],
+  "repository": {
+    "directory": "packages/auth-types",
+    "type": "git",
+    "url": "git+https://github.com/firebase/firebase-js-sdk.git"
+  },
+  "bugs": {
+    "url": "https://github.com/firebase/firebase-js-sdk/issues"
+  },
+  "devDependencies": {
+    "typescript": "5.5.4"
+  }
+}

server/node_modules/@firebase/component/README.md

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+# @firebase/component
+
+_NOTE: This is specifically tailored for Firebase JS SDK usage, if you are not a
+member of the Firebase team, please avoid using this package_
+
+## Usage
+
+**ES Modules**
+
+```javascript
+import { Component } from '@firebase/component';
+```

server/node_modules/@firebase/component/dist/esm/index.d.ts

@@ -0,0 +1,20 @@
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ *
+ * 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 { Component } from './src/component';
+export { ComponentContainer } from './src/component_container';
+export { Provider } from './src/provider';
+export { ComponentType, InstanceFactory, InstantiationMode, NameServiceMapping, Name, InstanceFactoryOptions } from './src/types';

server/node_modules/@firebase/component/dist/esm/index.esm.js

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+import { Deferred } from '@firebase/util';
+
+/**
+ * Component for service name T, e.g. `auth`, `auth-internal`
+ */
+class Component {
+    /**
+     *
+     * @param name The public service name, e.g. app, auth, firestore, database
+     * @param instanceFactory Service factory responsible for creating the public interface
+     * @param type whether the service provided by the component is public or private
+     */
+    constructor(name, instanceFactory, type) {
+        this.name = name;
+        this.instanceFactory = instanceFactory;
+        this.type = type;
+        this.multipleInstances = false;
+        /**
+         * Properties to be added to the service namespace
+         */
+        this.serviceProps = {};
+        this.instantiationMode = "LAZY" /* InstantiationMode.LAZY */;
+        this.onInstanceCreated = null;
+    }
+    setInstantiationMode(mode) {
+        this.instantiationMode = mode;
+        return this;
+    }
+    setMultipleInstances(multipleInstances) {
+        this.multipleInstances = multipleInstances;
+        return this;
+    }
+    setServiceProps(props) {
+        this.serviceProps = props;
+        return this;
+    }
+    setInstanceCreatedCallback(callback) {
+        this.onInstanceCreated = callback;
+        return this;
+    }
+}
+
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ *
+ * 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 LLC
+ *
+ * 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.
+ */
+/**
+ * Provider for instance for service name T, e.g. 'auth', 'auth-internal'
+ * NameServiceMapping[T] is an alias for the type of the instance
+ */
+class Provider {
+    constructor(name, container) {
+        this.name = name;
+        this.container = container;
+        this.component = null;
+        this.instances = new Map();
+        this.instancesDeferred = new Map();
+        this.instancesOptions = new Map();
+        this.onInitCallbacks = new Map();
+    }
+    /**
+     * @param identifier A provider can provide multiple instances of a service
+     * if this.component.multipleInstances is true.
+     */
+    get(identifier) {
+        // if multipleInstances is not supported, use the default name
+        const normalizedIdentifier = this.normalizeInstanceIdentifier(identifier);
+        if (!this.instancesDeferred.has(normalizedIdentifier)) {
+            const deferred = new Deferred();
+            this.instancesDeferred.set(normalizedIdentifier, deferred);
+            if (this.isInitialized(normalizedIdentifier) ||
+                this.shouldAutoInitialize()) {
+                // initialize the service if it can be auto-initialized
+                try {
+                    const instance = this.getOrInitializeService({
+                        instanceIdentifier: normalizedIdentifier
+                    });
+                    if (instance) {
+                        deferred.resolve(instance);
+                    }
+                }
+                catch (e) {
+                    // when the instance factory throws an exception during get(), it should not cause
+                    // a fatal error. We just return the unresolved promise in this case.
+                }
+            }
+        }
+        return this.instancesDeferred.get(normalizedIdentifier).promise;
+    }
+    getImmediate(options) {
+        // if multipleInstances is not supported, use the default name
+        const normalizedIdentifier = this.normalizeInstanceIdentifier(options?.identifier);
+        const optional = options?.optional ?? false;
+        if (this.isInitialized(normalizedIdentifier) ||
+            this.shouldAutoInitialize()) {
+            try {
+                return this.getOrInitializeService({
+                    instanceIdentifier: normalizedIdentifier
+                });
+            }
+            catch (e) {
+                if (optional) {
+                    return null;
+                }
+                else {
+                    throw e;
+                }
+            }
+        }
+        else {
+            // In case a component is not initialized and should/cannot be auto-initialized at the moment, return null if the optional flag is set, or throw
+            if (optional) {
+                return null;
+            }
+            else {
+                throw Error(`Service ${this.name} is not available`);
+            }
+        }
+    }
+    getComponent() {
+        return this.component;
+    }
+    setComponent(component) {
+        if (component.name !== this.name) {
+            throw Error(`Mismatching Component ${component.name} for Provider ${this.name}.`);
+        }
+        if (this.component) {
+            throw Error(`Component for ${this.name} has already been provided`);
+        }
+        this.component = component;
+        // return early without attempting to initialize the component if the component requires explicit initialization (calling `Provider.initialize()`)
+        if (!this.shouldAutoInitialize()) {
+            return;
+        }
+        // if the service is eager, initialize the default instance
+        if (isComponentEager(component)) {
+            try {
+                this.getOrInitializeService({ instanceIdentifier: DEFAULT_ENTRY_NAME });
+            }
+            catch (e) {
+                // when the instance factory for an eager Component throws an exception during the eager
+                // initialization, it should not cause a fatal error.
+                // TODO: Investigate if we need to make it configurable, because some component may want to cause
+                // a fatal error in this case?
+            }
+        }
+        // Create service instances for the pending promises and resolve them
+        // NOTE: if this.multipleInstances is false, only the default instance will be created
+        // and all promises with resolve with it regardless of the identifier.
+        for (const [instanceIdentifier, instanceDeferred] of this.instancesDeferred.entries()) {
+            const normalizedIdentifier = this.normalizeInstanceIdentifier(instanceIdentifier);
+            try {
+                // `getOrInitializeService()` should always return a valid instance since a component is guaranteed. use ! to make typescript happy.
+                const instance = this.getOrInitializeService({
+                    instanceIdentifier: normalizedIdentifier
+                });
+                instanceDeferred.resolve(instance);
+            }
+            catch (e) {
+                // when the instance factory throws an exception, it should not cause
+                // a fatal error. We just leave the promise unresolved.
+            }
+        }
+    }
+    clearInstance(identifier = DEFAULT_ENTRY_NAME) {
+        this.instancesDeferred.delete(identifier);
+        this.instancesOptions.delete(identifier);
+        this.instances.delete(identifier);
+    }
+    // app.delete() will call this method on every provider to delete the services
+    // TODO: should we mark the provider as deleted?
+    async delete() {
+        const services = Array.from(this.instances.values());
+        await Promise.all([
+            ...services
+                .filter(service => 'INTERNAL' in service) // legacy services
+                // eslint-disable-next-line @typescript-eslint/no-explicit-any
+                .map(service => service.INTERNAL.delete()),
+            ...services
+                .filter(service => '_delete' in service) // modularized services
+                // eslint-disable-next-line @typescript-eslint/no-explicit-any
+                .map(service => service._delete())
+        ]);
+    }
+    isComponentSet() {
+        return this.component != null;
+    }
+    isInitialized(identifier = DEFAULT_ENTRY_NAME) {
+        return this.instances.has(identifier);
+    }
+    getOptions(identifier = DEFAULT_ENTRY_NAME) {
+        return this.instancesOptions.get(identifier) || {};
+    }
+    initialize(opts = {}) {
+        const { options = {} } = opts;
+        const normalizedIdentifier = this.normalizeInstanceIdentifier(opts.instanceIdentifier);
+        if (this.isInitialized(normalizedIdentifier)) {
+            throw Error(`${this.name}(${normalizedIdentifier}) has already been initialized`);
+        }
+        if (!this.isComponentSet()) {
+            throw Error(`Component ${this.name} has not been registered yet`);
+        }
+        const instance = this.getOrInitializeService({
+            instanceIdentifier: normalizedIdentifier,
+            options
+        });
+        // resolve any pending promise waiting for the service instance
+        for (const [instanceIdentifier, instanceDeferred] of this.instancesDeferred.entries()) {
+            const normalizedDeferredIdentifier = this.normalizeInstanceIdentifier(instanceIdentifier);
+            if (normalizedIdentifier === normalizedDeferredIdentifier) {
+                instanceDeferred.resolve(instance);
+            }
+        }
+        return instance;
+    }
+    /**
+     *
+     * @param callback - a function that will be invoked  after the provider has been initialized by calling provider.initialize().
+     * The function is invoked SYNCHRONOUSLY, so it should not execute any longrunning tasks in order to not block the program.
+     *
+     * @param identifier An optional instance identifier
+     * @returns a function to unregister the callback
+     */
+    onInit(callback, identifier) {
+        const normalizedIdentifier = this.normalizeInstanceIdentifier(identifier);
+        const existingCallbacks = this.onInitCallbacks.get(normalizedIdentifier) ??
+            new Set();
+        existingCallbacks.add(callback);
+        this.onInitCallbacks.set(normalizedIdentifier, existingCallbacks);
+        const existingInstance = this.instances.get(normalizedIdentifier);
+        if (existingInstance) {
+            callback(existingInstance, normalizedIdentifier);
+        }
+        return () => {
+            existingCallbacks.delete(callback);
+        };
+    }
+    /**
+     * Invoke onInit callbacks synchronously
+     * @param instance the service instance`
+     */
+    invokeOnInitCallbacks(instance, identifier) {
+        const callbacks = this.onInitCallbacks.get(identifier);
+        if (!callbacks) {
+            return;
+        }
+        for (const callback of callbacks) {
+            try {
+                callback(instance, identifier);
+            }
+            catch {
+                // ignore errors in the onInit callback
+            }
+        }
+    }
+    getOrInitializeService({ instanceIdentifier, options = {} }) {
+        let instance = this.instances.get(instanceIdentifier);
+        if (!instance && this.component) {
+            instance = this.component.instanceFactory(this.container, {
+                instanceIdentifier: normalizeIdentifierForFactory(instanceIdentifier),
+                options
+            });
+            this.instances.set(instanceIdentifier, instance);
+            this.instancesOptions.set(instanceIdentifier, options);
+            /**
+             * Invoke onInit listeners.
+             * Note this.component.onInstanceCreated is different, which is used by the component creator,
+             * while onInit listeners are registered by consumers of the provider.
+             */
+            this.invokeOnInitCallbacks(instance, instanceIdentifier);
+            /**
+             * Order is important
+             * onInstanceCreated() should be called after this.instances.set(instanceIdentifier, instance); which
+             * makes `isInitialized()` return true.
+             */
+            if (this.component.onInstanceCreated) {
+                try {
+                    this.component.onInstanceCreated(this.container, instanceIdentifier, instance);
+                }
+                catch {
+                    // ignore errors in the onInstanceCreatedCallback
+                }
+            }
+        }
+        return instance || null;
+    }
+    normalizeInstanceIdentifier(identifier = DEFAULT_ENTRY_NAME) {
+        if (this.component) {
+            return this.component.multipleInstances ? identifier : DEFAULT_ENTRY_NAME;
+        }
+        else {
+            return identifier; // assume multiple instances are supported before the component is provided.
+        }
+    }
+    shouldAutoInitialize() {
+        return (!!this.component &&
+            this.component.instantiationMode !== "EXPLICIT" /* InstantiationMode.EXPLICIT */);
+    }
+}
+// undefined should be passed to the service factory for the default instance
+function normalizeIdentifierForFactory(identifier) {
+    return identifier === DEFAULT_ENTRY_NAME ? undefined : identifier;
+}
+function isComponentEager(component) {
+    return component.instantiationMode === "EAGER" /* InstantiationMode.EAGER */;
+}
+
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ *
+ * 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.
+ */
+/**
+ * ComponentContainer that provides Providers for service name T, e.g. `auth`, `auth-internal`
+ */
+class ComponentContainer {
+    constructor(name) {
+        this.name = name;
+        this.providers = new Map();
+    }
+    /**
+     *
+     * @param component Component being added
+     * @param overwrite When a component with the same name has already been registered,
+     * if overwrite is true: overwrite the existing component with the new component and create a new
+     * provider with the new component. It can be useful in tests where you want to use different mocks
+     * for different tests.
+     * if overwrite is false: throw an exception
+     */
+    addComponent(component) {
+        const provider = this.getProvider(component.name);
+        if (provider.isComponentSet()) {
+            throw new Error(`Component ${component.name} has already been registered with ${this.name}`);
+        }
+        provider.setComponent(component);
+    }
+    addOrOverwriteComponent(component) {
+        const provider = this.getProvider(component.name);
+        if (provider.isComponentSet()) {
+            // delete the existing provider from the container, so we can register the new component
+            this.providers.delete(component.name);
+        }
+        this.addComponent(component);
+    }
+    /**
+     * getProvider provides a type safe interface where it can only be called with a field name
+     * present in NameServiceMapping interface.
+     *
+     * Firebase SDKs providing services should extend NameServiceMapping interface to register
+     * themselves.
+     */
+    getProvider(name) {
+        if (this.providers.has(name)) {
+            return this.providers.get(name);
+        }
+        // create a Provider for a service that hasn't registered with Firebase
+        const provider = new Provider(name, this);
+        this.providers.set(name, provider);
+        return provider;
+    }
+    getProviders() {
+        return Array.from(this.providers.values());
+    }
+}
+
+export { Component, ComponentContainer, Provider };
+//# sourceMappingURL=index.esm.js.map

server/node_modules/@firebase/component/dist/esm/package.json

@@ -0,0 +1 @@
+{"type":"module"}

server/node_modules/@firebase/component/dist/esm/src/component.d.ts

@@ -0,0 +1,43 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ *
+ * 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 { InstantiationMode, InstanceFactory, ComponentType, Dictionary, Name, onInstanceCreatedCallback } from './types';
+/**
+ * Component for service name T, e.g. `auth`, `auth-internal`
+ */
+export declare class Component<T extends Name = Name> {
+    readonly name: T;
+    readonly instanceFactory: InstanceFactory<T>;
+    readonly type: ComponentType;
+    multipleInstances: boolean;
+    /**
+     * Properties to be added to the service namespace
+     */
+    serviceProps: Dictionary;
+    instantiationMode: InstantiationMode;
+    onInstanceCreated: onInstanceCreatedCallback<T> | null;
+    /**
+     *
+     * @param name The public service name, e.g. app, auth, firestore, database
+     * @param instanceFactory Service factory responsible for creating the public interface
+     * @param type whether the service provided by the component is public or private
+     */
+    constructor(name: T, instanceFactory: InstanceFactory<T>, type: ComponentType);
+    setInstantiationMode(mode: InstantiationMode): this;
+    setMultipleInstances(multipleInstances: boolean): this;
+    setServiceProps(props: Dictionary): this;
+    setInstanceCreatedCallback(callback: onInstanceCreatedCallback<T>): this;
+}

server/node_modules/@firebase/component/dist/esm/src/component_container.d.ts

@@ -0,0 +1,47 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ *
+ * 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 { Provider } from './provider';
+import { Component } from './component';
+import { Name } from './types';
+/**
+ * ComponentContainer that provides Providers for service name T, e.g. `auth`, `auth-internal`
+ */
+export declare class ComponentContainer {
+    private readonly name;
+    private readonly providers;
+    constructor(name: string);
+    /**
+     *
+     * @param component Component being added
+     * @param overwrite When a component with the same name has already been registered,
+     * if overwrite is true: overwrite the existing component with the new component and create a new
+     * provider with the new component. It can be useful in tests where you want to use different mocks
+     * for different tests.
+     * if overwrite is false: throw an exception
+     */
+    addComponent<T extends Name>(component: Component<T>): void;
+    addOrOverwriteComponent<T extends Name>(component: Component<T>): void;
+    /**
+     * getProvider provides a type safe interface where it can only be called with a field name
+     * present in NameServiceMapping interface.
+     *
+     * Firebase SDKs providing services should extend NameServiceMapping interface to register
+     * themselves.
+     */
+    getProvider<T extends Name>(name: T): Provider<T>;
+    getProviders(): Array<Provider<Name>>;
+}

server/node_modules/@firebase/component/dist/esm/src/constants.d.ts

@@ -0,0 +1,17 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ *
+ * 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]";

server/node_modules/@firebase/component/dist/esm/src/provider.d.ts

@@ -0,0 +1,79 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ *
+ * 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 { ComponentContainer } from './component_container';
+import { InitializeOptions, Name, NameServiceMapping, OnInitCallBack } from './types';
+import { Component } from './component';
+/**
+ * Provider for instance for service name T, e.g. 'auth', 'auth-internal'
+ * NameServiceMapping[T] is an alias for the type of the instance
+ */
+export declare class Provider<T extends Name> {
+    private readonly name;
+    private readonly container;
+    private component;
+    private readonly instances;
+    private readonly instancesDeferred;
+    private readonly instancesOptions;
+    private onInitCallbacks;
+    constructor(name: T, container: ComponentContainer);
+    /**
+     * @param identifier A provider can provide multiple instances of a service
+     * if this.component.multipleInstances is true.
+     */
+    get(identifier?: string): Promise<NameServiceMapping[T]>;
+    /**
+     *
+     * @param options.identifier A provider can provide multiple instances of a service
+     * if this.component.multipleInstances is true.
+     * @param options.optional If optional is false or not provided, the method throws an error when
+     * the service is not immediately available.
+     * If optional is true, the method returns null if the service is not immediately available.
+     */
+    getImmediate(options: {
+        identifier?: string;
+        optional: true;
+    }): NameServiceMapping[T] | null;
+    getImmediate(options?: {
+        identifier?: string;
+        optional?: false;
+    }): NameServiceMapping[T];
+    getComponent(): Component<T> | null;
+    setComponent(component: Component<T>): void;
+    clearInstance(identifier?: string): void;
+    delete(): Promise<void>;
+    isComponentSet(): boolean;
+    isInitialized(identifier?: string): boolean;
+    getOptions(identifier?: string): Record<string, unknown>;
+    initialize(opts?: InitializeOptions): NameServiceMapping[T];
+    /**
+     *
+     * @param callback - a function that will be invoked  after the provider has been initialized by calling provider.initialize().
+     * The function is invoked SYNCHRONOUSLY, so it should not execute any longrunning tasks in order to not block the program.
+     *
+     * @param identifier An optional instance identifier
+     * @returns a function to unregister the callback
+     */
+    onInit(callback: OnInitCallBack<T>, identifier?: string): () => void;
+    /**
+     * Invoke onInit callbacks synchronously
+     * @param instance the service instance`
+     */
+    private invokeOnInitCallbacks;
+    private getOrInitializeService;
+    private normalizeInstanceIdentifier;
+    private shouldAutoInitialize;
+}

server/node_modules/@firebase/component/dist/esm/src/types.d.ts

@@ -0,0 +1,62 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ *
+ * 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 { ComponentContainer } from './component_container';
+export declare const enum InstantiationMode {
+    LAZY = "LAZY",// Currently most components are LAZY in JS SDK
+    EAGER = "EAGER",// EAGER components are initialized immediately upon registration
+    EXPLICIT = "EXPLICIT"
+}
+/**
+ * PUBLIC: A public component provides a set of public APIs to customers. A service namespace will be patched
+ * onto `firebase` namespace. Assume the component name is `test`, customers will be able
+ * to get the service by calling `firebase.test()` or `app.test()` where `app` is a `FirebaseApp` instance.
+ *
+ * PRIVATE: A private component provides a set of private APIs that are used internally by other
+ * Firebase SDKs. No service namespace is created in `firebase` namespace and customers have no way to get them.
+ */
+export declare const enum ComponentType {
+    PUBLIC = "PUBLIC",
+    PRIVATE = "PRIVATE",
+    VERSION = "VERSION"
+}
+export interface InstanceFactoryOptions {
+    instanceIdentifier?: string;
+    options?: {};
+}
+export type InitializeOptions = InstanceFactoryOptions;
+/**
+ * Factory to create an instance of type T, given a ComponentContainer.
+ * ComponentContainer is the IOC container that provides {@link Provider}
+ * for dependencies.
+ *
+ * NOTE: The container only provides {@link Provider} rather than the actual instances of dependencies.
+ * It is useful for lazily loaded dependencies and optional dependencies.
+ */
+export type InstanceFactory<T extends Name> = (container: ComponentContainer, options: InstanceFactoryOptions) => NameServiceMapping[T];
+export type onInstanceCreatedCallback<T extends Name> = (container: ComponentContainer, instanceIdentifier: string, instance: NameServiceMapping[T]) => void;
+export interface Dictionary {
+    [key: string]: unknown;
+}
+/**
+ * This interface will be extended by Firebase SDKs to provide service name and service type mapping.
+ * It is used as a generic constraint to ensure type safety.
+ */
+export interface NameServiceMapping {
+}
+export type Name = keyof NameServiceMapping;
+export type Service = NameServiceMapping[Name];
+export type OnInitCallBack<T extends Name> = (instance: NameServiceMapping[T], identifier: string) => void;

server/node_modules/@firebase/component/dist/esm/test/setup.d.ts

@@ -0,0 +1,17 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ *
+ * 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 {};

server/node_modules/@firebase/component/dist/esm/test/util.d.ts

@@ -0,0 +1,5 @@
+import { FirebaseApp } from '@firebase/app-types';
+import { InstanceFactory, InstantiationMode, Name } from '../src/types';
+import { Component } from '../src/component';
+export declare function getFakeApp(appName?: string): FirebaseApp;
+export declare function getFakeComponent<T extends Name>(name: T, factory: InstanceFactory<T>, multipleInstance?: boolean, instantiationMode?: InstantiationMode): Component<T>;

server/node_modules/@firebase/component/dist/index.cjs.js

@@ -0,0 +1,414 @@
+'use strict';
+
+Object.defineProperty(exports, '__esModule', { value: true });
+
+var util = require('@firebase/util');
+
+/**
+ * Component for service name T, e.g. `auth`, `auth-internal`
+ */
+class Component {
+    /**
+     *
+     * @param name The public service name, e.g. app, auth, firestore, database
+     * @param instanceFactory Service factory responsible for creating the public interface
+     * @param type whether the service provided by the component is public or private
+     */
+    constructor(name, instanceFactory, type) {
+        this.name = name;
+        this.instanceFactory = instanceFactory;
+        this.type = type;
+        this.multipleInstances = false;
+        /**
+         * Properties to be added to the service namespace
+         */
+        this.serviceProps = {};
+        this.instantiationMode = "LAZY" /* InstantiationMode.LAZY */;
+        this.onInstanceCreated = null;
+    }
+    setInstantiationMode(mode) {
+        this.instantiationMode = mode;
+        return this;
+    }
+    setMultipleInstances(multipleInstances) {
+        this.multipleInstances = multipleInstances;
+        return this;
+    }
+    setServiceProps(props) {
+        this.serviceProps = props;
+        return this;
+    }
+    setInstanceCreatedCallback(callback) {
+        this.onInstanceCreated = callback;
+        return this;
+    }
+}
+
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ *
+ * 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 LLC
+ *
+ * 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.
+ */
+/**
+ * Provider for instance for service name T, e.g. 'auth', 'auth-internal'
+ * NameServiceMapping[T] is an alias for the type of the instance
+ */
+class Provider {
+    constructor(name, container) {
+        this.name = name;
+        this.container = container;
+        this.component = null;
+        this.instances = new Map();
+        this.instancesDeferred = new Map();
+        this.instancesOptions = new Map();
+        this.onInitCallbacks = new Map();
+    }
+    /**
+     * @param identifier A provider can provide multiple instances of a service
+     * if this.component.multipleInstances is true.
+     */
+    get(identifier) {
+        // if multipleInstances is not supported, use the default name
+        const normalizedIdentifier = this.normalizeInstanceIdentifier(identifier);
+        if (!this.instancesDeferred.has(normalizedIdentifier)) {
+            const deferred = new util.Deferred();
+            this.instancesDeferred.set(normalizedIdentifier, deferred);
+            if (this.isInitialized(normalizedIdentifier) ||
+                this.shouldAutoInitialize()) {
+                // initialize the service if it can be auto-initialized
+                try {
+                    const instance = this.getOrInitializeService({
+                        instanceIdentifier: normalizedIdentifier
+                    });
+                    if (instance) {
+                        deferred.resolve(instance);
+                    }
+                }
+                catch (e) {
+                    // when the instance factory throws an exception during get(), it should not cause
+                    // a fatal error. We just return the unresolved promise in this case.
+                }
+            }
+        }
+        return this.instancesDeferred.get(normalizedIdentifier).promise;
+    }
+    getImmediate(options) {
+        // if multipleInstances is not supported, use the default name
+        const normalizedIdentifier = this.normalizeInstanceIdentifier(options?.identifier);
+        const optional = options?.optional ?? false;
+        if (this.isInitialized(normalizedIdentifier) ||
+            this.shouldAutoInitialize()) {
+            try {
+                return this.getOrInitializeService({
+                    instanceIdentifier: normalizedIdentifier
+                });
+            }
+            catch (e) {
+                if (optional) {
+                    return null;
+                }
+                else {
+                    throw e;
+                }
+            }
+        }
+        else {
+            // In case a component is not initialized and should/cannot be auto-initialized at the moment, return null if the optional flag is set, or throw
+            if (optional) {
+                return null;
+            }
+            else {
+                throw Error(`Service ${this.name} is not available`);
+            }
+        }
+    }
+    getComponent() {
+        return this.component;
+    }
+    setComponent(component) {
+        if (component.name !== this.name) {
+            throw Error(`Mismatching Component ${component.name} for Provider ${this.name}.`);
+        }
+        if (this.component) {
+            throw Error(`Component for ${this.name} has already been provided`);
+        }
+        this.component = component;
+        // return early without attempting to initialize the component if the component requires explicit initialization (calling `Provider.initialize()`)
+        if (!this.shouldAutoInitialize()) {
+            return;
+        }
+        // if the service is eager, initialize the default instance
+        if (isComponentEager(component)) {
+            try {
+                this.getOrInitializeService({ instanceIdentifier: DEFAULT_ENTRY_NAME });
+            }
+            catch (e) {
+                // when the instance factory for an eager Component throws an exception during the eager
+                // initialization, it should not cause a fatal error.
+                // TODO: Investigate if we need to make it configurable, because some component may want to cause
+                // a fatal error in this case?
+            }
+        }
+        // Create service instances for the pending promises and resolve them
+        // NOTE: if this.multipleInstances is false, only the default instance will be created
+        // and all promises with resolve with it regardless of the identifier.
+        for (const [instanceIdentifier, instanceDeferred] of this.instancesDeferred.entries()) {
+            const normalizedIdentifier = this.normalizeInstanceIdentifier(instanceIdentifier);
+            try {
+                // `getOrInitializeService()` should always return a valid instance since a component is guaranteed. use ! to make typescript happy.
+                const instance = this.getOrInitializeService({
+                    instanceIdentifier: normalizedIdentifier
+                });
+                instanceDeferred.resolve(instance);
+            }
+            catch (e) {
+                // when the instance factory throws an exception, it should not cause
+                // a fatal error. We just leave the promise unresolved.
+            }
+        }
+    }
+    clearInstance(identifier = DEFAULT_ENTRY_NAME) {
+        this.instancesDeferred.delete(identifier);
+        this.instancesOptions.delete(identifier);
+        this.instances.delete(identifier);
+    }
+    // app.delete() will call this method on every provider to delete the services
+    // TODO: should we mark the provider as deleted?
+    async delete() {
+        const services = Array.from(this.instances.values());
+        await Promise.all([
+            ...services
+                .filter(service => 'INTERNAL' in service) // legacy services
+                // eslint-disable-next-line @typescript-eslint/no-explicit-any
+                .map(service => service.INTERNAL.delete()),
+            ...services
+                .filter(service => '_delete' in service) // modularized services
+                // eslint-disable-next-line @typescript-eslint/no-explicit-any
+                .map(service => service._delete())
+        ]);
+    }
+    isComponentSet() {
+        return this.component != null;
+    }
+    isInitialized(identifier = DEFAULT_ENTRY_NAME) {
+        return this.instances.has(identifier);
+    }
+    getOptions(identifier = DEFAULT_ENTRY_NAME) {
+        return this.instancesOptions.get(identifier) || {};
+    }
+    initialize(opts = {}) {
+        const { options = {} } = opts;
+        const normalizedIdentifier = this.normalizeInstanceIdentifier(opts.instanceIdentifier);
+        if (this.isInitialized(normalizedIdentifier)) {
+            throw Error(`${this.name}(${normalizedIdentifier}) has already been initialized`);
+        }
+        if (!this.isComponentSet()) {
+            throw Error(`Component ${this.name} has not been registered yet`);
+        }
+        const instance = this.getOrInitializeService({
+            instanceIdentifier: normalizedIdentifier,
+            options
+        });
+        // resolve any pending promise waiting for the service instance
+        for (const [instanceIdentifier, instanceDeferred] of this.instancesDeferred.entries()) {
+            const normalizedDeferredIdentifier = this.normalizeInstanceIdentifier(instanceIdentifier);
+            if (normalizedIdentifier === normalizedDeferredIdentifier) {
+                instanceDeferred.resolve(instance);
+            }
+        }
+        return instance;
+    }
+    /**
+     *
+     * @param callback - a function that will be invoked  after the provider has been initialized by calling provider.initialize().
+     * The function is invoked SYNCHRONOUSLY, so it should not execute any longrunning tasks in order to not block the program.
+     *
+     * @param identifier An optional instance identifier
+     * @returns a function to unregister the callback
+     */
+    onInit(callback, identifier) {
+        const normalizedIdentifier = this.normalizeInstanceIdentifier(identifier);
+        const existingCallbacks = this.onInitCallbacks.get(normalizedIdentifier) ??
+            new Set();
+        existingCallbacks.add(callback);
+        this.onInitCallbacks.set(normalizedIdentifier, existingCallbacks);
+        const existingInstance = this.instances.get(normalizedIdentifier);
+        if (existingInstance) {
+            callback(existingInstance, normalizedIdentifier);
+        }
+        return () => {
+            existingCallbacks.delete(callback);
+        };
+    }
+    /**
+     * Invoke onInit callbacks synchronously
+     * @param instance the service instance`
+     */
+    invokeOnInitCallbacks(instance, identifier) {
+        const callbacks = this.onInitCallbacks.get(identifier);
+        if (!callbacks) {
+            return;
+        }
+        for (const callback of callbacks) {
+            try {
+                callback(instance, identifier);
+            }
+            catch {
+                // ignore errors in the onInit callback
+            }
+        }
+    }
+    getOrInitializeService({ instanceIdentifier, options = {} }) {
+        let instance = this.instances.get(instanceIdentifier);
+        if (!instance && this.component) {
+            instance = this.component.instanceFactory(this.container, {
+                instanceIdentifier: normalizeIdentifierForFactory(instanceIdentifier),
+                options
+            });
+            this.instances.set(instanceIdentifier, instance);
+            this.instancesOptions.set(instanceIdentifier, options);
+            /**
+             * Invoke onInit listeners.
+             * Note this.component.onInstanceCreated is different, which is used by the component creator,
+             * while onInit listeners are registered by consumers of the provider.
+             */
+            this.invokeOnInitCallbacks(instance, instanceIdentifier);
+            /**
+             * Order is important
+             * onInstanceCreated() should be called after this.instances.set(instanceIdentifier, instance); which
+             * makes `isInitialized()` return true.
+             */
+            if (this.component.onInstanceCreated) {
+                try {
+                    this.component.onInstanceCreated(this.container, instanceIdentifier, instance);
+                }
+                catch {
+                    // ignore errors in the onInstanceCreatedCallback
+                }
+            }
+        }
+        return instance || null;
+    }
+    normalizeInstanceIdentifier(identifier = DEFAULT_ENTRY_NAME) {
+        if (this.component) {
+            return this.component.multipleInstances ? identifier : DEFAULT_ENTRY_NAME;
+        }
+        else {
+            return identifier; // assume multiple instances are supported before the component is provided.
+        }
+    }
+    shouldAutoInitialize() {
+        return (!!this.component &&
+            this.component.instantiationMode !== "EXPLICIT" /* InstantiationMode.EXPLICIT */);
+    }
+}
+// undefined should be passed to the service factory for the default instance
+function normalizeIdentifierForFactory(identifier) {
+    return identifier === DEFAULT_ENTRY_NAME ? undefined : identifier;
+}
+function isComponentEager(component) {
+    return component.instantiationMode === "EAGER" /* InstantiationMode.EAGER */;
+}
+
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ *
+ * 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.
+ */
+/**
+ * ComponentContainer that provides Providers for service name T, e.g. `auth`, `auth-internal`
+ */
+class ComponentContainer {
+    constructor(name) {
+        this.name = name;
+        this.providers = new Map();
+    }
+    /**
+     *
+     * @param component Component being added
+     * @param overwrite When a component with the same name has already been registered,
+     * if overwrite is true: overwrite the existing component with the new component and create a new
+     * provider with the new component. It can be useful in tests where you want to use different mocks
+     * for different tests.
+     * if overwrite is false: throw an exception
+     */
+    addComponent(component) {
+        const provider = this.getProvider(component.name);
+        if (provider.isComponentSet()) {
+            throw new Error(`Component ${component.name} has already been registered with ${this.name}`);
+        }
+        provider.setComponent(component);
+    }
+    addOrOverwriteComponent(component) {
+        const provider = this.getProvider(component.name);
+        if (provider.isComponentSet()) {
+            // delete the existing provider from the container, so we can register the new component
+            this.providers.delete(component.name);
+        }
+        this.addComponent(component);
+    }
+    /**
+     * getProvider provides a type safe interface where it can only be called with a field name
+     * present in NameServiceMapping interface.
+     *
+     * Firebase SDKs providing services should extend NameServiceMapping interface to register
+     * themselves.
+     */
+    getProvider(name) {
+        if (this.providers.has(name)) {
+            return this.providers.get(name);
+        }
+        // create a Provider for a service that hasn't registered with Firebase
+        const provider = new Provider(name, this);
+        this.providers.set(name, provider);
+        return provider;
+    }
+    getProviders() {
+        return Array.from(this.providers.values());
+    }
+}
+
+exports.Component = Component;
+exports.ComponentContainer = ComponentContainer;
+exports.Provider = Provider;
+//# sourceMappingURL=index.cjs.js.map

server/node_modules/@firebase/component/dist/index.d.ts

@@ -0,0 +1,20 @@
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ *
+ * 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 { Component } from './src/component';
+export { ComponentContainer } from './src/component_container';
+export { Provider } from './src/provider';
+export { ComponentType, InstanceFactory, InstantiationMode, NameServiceMapping, Name, InstanceFactoryOptions } from './src/types';

server/node_modules/@firebase/component/dist/src/component.d.ts

@@ -0,0 +1,43 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ *
+ * 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 { InstantiationMode, InstanceFactory, ComponentType, Dictionary, Name, onInstanceCreatedCallback } from './types';
+/**
+ * Component for service name T, e.g. `auth`, `auth-internal`
+ */
+export declare class Component<T extends Name = Name> {
+    readonly name: T;
+    readonly instanceFactory: InstanceFactory<T>;
+    readonly type: ComponentType;
+    multipleInstances: boolean;
+    /**
+     * Properties to be added to the service namespace
+     */
+    serviceProps: Dictionary;
+    instantiationMode: InstantiationMode;
+    onInstanceCreated: onInstanceCreatedCallback<T> | null;
+    /**
+     *
+     * @param name The public service name, e.g. app, auth, firestore, database
+     * @param instanceFactory Service factory responsible for creating the public interface
+     * @param type whether the service provided by the component is public or private
+     */
+    constructor(name: T, instanceFactory: InstanceFactory<T>, type: ComponentType);
+    setInstantiationMode(mode: InstantiationMode): this;
+    setMultipleInstances(multipleInstances: boolean): this;
+    setServiceProps(props: Dictionary): this;
+    setInstanceCreatedCallback(callback: onInstanceCreatedCallback<T>): this;
+}

server/node_modules/@firebase/component/dist/src/component_container.d.ts

@@ -0,0 +1,47 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ *
+ * 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 { Provider } from './provider';
+import { Component } from './component';
+import { Name } from './types';
+/**
+ * ComponentContainer that provides Providers for service name T, e.g. `auth`, `auth-internal`
+ */
+export declare class ComponentContainer {
+    private readonly name;
+    private readonly providers;
+    constructor(name: string);
+    /**
+     *
+     * @param component Component being added
+     * @param overwrite When a component with the same name has already been registered,
+     * if overwrite is true: overwrite the existing component with the new component and create a new
+     * provider with the new component. It can be useful in tests where you want to use different mocks
+     * for different tests.
+     * if overwrite is false: throw an exception
+     */
+    addComponent<T extends Name>(component: Component<T>): void;
+    addOrOverwriteComponent<T extends Name>(component: Component<T>): void;
+    /**
+     * getProvider provides a type safe interface where it can only be called with a field name
+     * present in NameServiceMapping interface.
+     *
+     * Firebase SDKs providing services should extend NameServiceMapping interface to register
+     * themselves.
+     */
+    getProvider<T extends Name>(name: T): Provider<T>;
+    getProviders(): Array<Provider<Name>>;
+}

server/node_modules/@firebase/component/dist/src/constants.d.ts

@@ -0,0 +1,17 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ *
+ * 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]";

server/node_modules/@firebase/component/dist/src/provider.d.ts

@@ -0,0 +1,79 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ *
+ * 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 { ComponentContainer } from './component_container';
+import { InitializeOptions, Name, NameServiceMapping, OnInitCallBack } from './types';
+import { Component } from './component';
+/**
+ * Provider for instance for service name T, e.g. 'auth', 'auth-internal'
+ * NameServiceMapping[T] is an alias for the type of the instance
+ */
+export declare class Provider<T extends Name> {
+    private readonly name;
+    private readonly container;
+    private component;
+    private readonly instances;
+    private readonly instancesDeferred;
+    private readonly instancesOptions;
+    private onInitCallbacks;
+    constructor(name: T, container: ComponentContainer);
+    /**
+     * @param identifier A provider can provide multiple instances of a service
+     * if this.component.multipleInstances is true.
+     */
+    get(identifier?: string): Promise<NameServiceMapping[T]>;
+    /**
+     *
+     * @param options.identifier A provider can provide multiple instances of a service
+     * if this.component.multipleInstances is true.
+     * @param options.optional If optional is false or not provided, the method throws an error when
+     * the service is not immediately available.
+     * If optional is true, the method returns null if the service is not immediately available.
+     */
+    getImmediate(options: {
+        identifier?: string;
+        optional: true;
+    }): NameServiceMapping[T] | null;
+    getImmediate(options?: {
+        identifier?: string;
+        optional?: false;
+    }): NameServiceMapping[T];
+    getComponent(): Component<T> | null;
+    setComponent(component: Component<T>): void;
+    clearInstance(identifier?: string): void;
+    delete(): Promise<void>;
+    isComponentSet(): boolean;
+    isInitialized(identifier?: string): boolean;
+    getOptions(identifier?: string): Record<string, unknown>;
+    initialize(opts?: InitializeOptions): NameServiceMapping[T];
+    /**
+     *
+     * @param callback - a function that will be invoked  after the provider has been initialized by calling provider.initialize().
+     * The function is invoked SYNCHRONOUSLY, so it should not execute any longrunning tasks in order to not block the program.
+     *
+     * @param identifier An optional instance identifier
+     * @returns a function to unregister the callback
+     */
+    onInit(callback: OnInitCallBack<T>, identifier?: string): () => void;
+    /**
+     * Invoke onInit callbacks synchronously
+     * @param instance the service instance`
+     */
+    private invokeOnInitCallbacks;
+    private getOrInitializeService;
+    private normalizeInstanceIdentifier;
+    private shouldAutoInitialize;
+}

server/node_modules/@firebase/component/dist/src/types.d.ts

@@ -0,0 +1,62 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ *
+ * 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 { ComponentContainer } from './component_container';
+export declare const enum InstantiationMode {
+    LAZY = "LAZY",// Currently most components are LAZY in JS SDK
+    EAGER = "EAGER",// EAGER components are initialized immediately upon registration
+    EXPLICIT = "EXPLICIT"
+}
+/**
+ * PUBLIC: A public component provides a set of public APIs to customers. A service namespace will be patched
+ * onto `firebase` namespace. Assume the component name is `test`, customers will be able
+ * to get the service by calling `firebase.test()` or `app.test()` where `app` is a `FirebaseApp` instance.
+ *
+ * PRIVATE: A private component provides a set of private APIs that are used internally by other
+ * Firebase SDKs. No service namespace is created in `firebase` namespace and customers have no way to get them.
+ */
+export declare const enum ComponentType {
+    PUBLIC = "PUBLIC",
+    PRIVATE = "PRIVATE",
+    VERSION = "VERSION"
+}
+export interface InstanceFactoryOptions {
+    instanceIdentifier?: string;
+    options?: {};
+}
+export type InitializeOptions = InstanceFactoryOptions;
+/**
+ * Factory to create an instance of type T, given a ComponentContainer.
+ * ComponentContainer is the IOC container that provides {@link Provider}
+ * for dependencies.
+ *
+ * NOTE: The container only provides {@link Provider} rather than the actual instances of dependencies.
+ * It is useful for lazily loaded dependencies and optional dependencies.
+ */
+export type InstanceFactory<T extends Name> = (container: ComponentContainer, options: InstanceFactoryOptions) => NameServiceMapping[T];
+export type onInstanceCreatedCallback<T extends Name> = (container: ComponentContainer, instanceIdentifier: string, instance: NameServiceMapping[T]) => void;
+export interface Dictionary {
+    [key: string]: unknown;
+}
+/**
+ * This interface will be extended by Firebase SDKs to provide service name and service type mapping.
+ * It is used as a generic constraint to ensure type safety.
+ */
+export interface NameServiceMapping {
+}
+export type Name = keyof NameServiceMapping;
+export type Service = NameServiceMapping[Name];
+export type OnInitCallBack<T extends Name> = (instance: NameServiceMapping[T], identifier: string) => void;

server/node_modules/@firebase/component/dist/test/setup.d.ts

@@ -0,0 +1,17 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ *
+ * 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 {};

server/node_modules/@firebase/component/dist/test/util.d.ts

@@ -0,0 +1,5 @@
+import { FirebaseApp } from '@firebase/app-types';
+import { InstanceFactory, InstantiationMode, Name } from '../src/types';
+import { Component } from '../src/component';
+export declare function getFakeApp(appName?: string): FirebaseApp;
+export declare function getFakeComponent<T extends Name>(name: T, factory: InstanceFactory<T>, multipleInstance?: boolean, instantiationMode?: InstantiationMode): Component<T>;

server/node_modules/@firebase/component/package.json

@@ -0,0 +1,61 @@
+{
+  "name": "@firebase/component",
+  "version": "0.7.0",
+  "description": "Firebase Component Platform",
+  "author": "Firebase <firebase-support@google.com> (https://firebase.google.com/)",
+  "main": "dist/index.cjs.js",
+  "browser": "dist/esm/index.esm.js",
+  "module": "dist/esm/index.esm.js",
+  "exports": {
+    ".": {
+      "types": "./dist/index.d.ts",
+      "require": "./dist/index.cjs.js",
+      "default": "./dist/esm/index.esm.js"
+    },
+    "./package.json": "./package.json"
+  },
+  "files": [
+    "dist"
+  ],
+  "scripts": {
+    "lint": "eslint -c .eslintrc.js '**/*.ts' --ignore-path '../../.gitignore'",
+    "lint:fix": "eslint --fix -c .eslintrc.js '**/*.ts' --ignore-path '../../.gitignore'",
+    "build": "rollup -c",
+    "build:deps": "lerna run --scope @firebase/component --include-dependencies build",
+    "dev": "rollup -c -w",
+    "test": "run-p --npm-path npm lint test:all",
+    "test:all": "run-p --npm-path npm test:browser test:node",
+    "test:ci": "node ../../scripts/run_tests_in_ci.js -s test:all",
+    "test:browser": "karma start",
+    "test:node": "TS_NODE_COMPILER_OPTIONS='{\"module\":\"commonjs\"}' nyc --reporter lcovonly -- mocha src/**/*.test.ts --config ../../config/mocharc.node.js",
+    "trusted-type-check": "tsec -p tsconfig.json --noEmit"
+  },
+  "dependencies": {
+    "@firebase/util": "1.13.0",
+    "tslib": "^2.1.0"
+  },
+  "license": "Apache-2.0",
+  "devDependencies": {
+    "rollup": "2.79.2",
+    "rollup-plugin-typescript2": "0.36.0",
+    "typescript": "5.5.4"
+  },
+  "repository": {
+    "directory": "packages/component",
+    "type": "git",
+    "url": "git+https://github.com/firebase/firebase-js-sdk.git"
+  },
+  "bugs": {
+    "url": "https://github.com/firebase/firebase-js-sdk/issues"
+  },
+  "typings": "dist/index.d.ts",
+  "nyc": {
+    "extension": [
+      ".ts"
+    ],
+    "reportDir": "./coverage/node"
+  },
+  "engines": {
+    "node": ">=20.0.0"
+  }
+}

server/node_modules/@firebase/database-compat/README.md

@@ -0,0 +1,5 @@
+# @firebase/database-compat
+
+This is the compatibility layer for 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.**

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

@@ -0,0 +1,74 @@
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ *
+ * 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 { FirebaseService } from '@firebase/app-types/private';
+import { forceLongPolling, forceWebSockets, Database as ModularDatabase } from '@firebase/database';
+import { Compat, EmulatorMockTokenOptions } from '@firebase/util';
+import { Reference } from './Reference';
+/**
+ * Class representing a firebase database.
+ */
+export declare class Database implements FirebaseService, Compat<ModularDatabase> {
+    readonly _delegate: ModularDatabase;
+    readonly app: FirebaseApp;
+    static readonly ServerValue: {
+        TIMESTAMP: object;
+        increment: (delta: number) => object;
+    };
+    /**
+     * The constructor should not be called by users of our public API.
+     */
+    constructor(_delegate: ModularDatabase, app: FirebaseApp);
+    INTERNAL: {
+        delete: () => Promise<void>;
+        forceWebSockets: typeof forceWebSockets;
+        forceLongPolling: typeof forceLongPolling;
+    };
+    /**
+     * Modify this instance to communicate with the Realtime Database emulator.
+     *
+     * <p>Note: This method must be called before performing any other operation.
+     *
+     * @param host - the emulator host (ex: localhost)
+     * @param port - the emulator port (ex: 8080)
+     * @param options.mockUserToken - the mock auth token to use for unit testing Security Rules
+     */
+    useEmulator(host: string, port: number, options?: {
+        mockUserToken?: EmulatorMockTokenOptions;
+    }): void;
+    /**
+     * Returns a reference to the root or to the path specified in the provided
+     * argument.
+     *
+     * @param 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.
+     * @returns 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.
+     * @returns Firebase reference.
+     */
+    refFromURL(url: string): Reference;
+    goOffline(): void;
+    goOnline(): void;
+}

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

@@ -0,0 +1,207 @@
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ *
+ * 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 as ModularDataSnapshot, Query as ExpQuery, DatabaseReference as ModularReference } from '@firebase/database';
+import { Compat } from '@firebase/util';
+import { Database } from './Database';
+import { OnDisconnect } from './onDisconnect';
+import { TransactionResult } from './TransactionResult';
+/**
+ * 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 implements Compat<ModularDataSnapshot> {
+    readonly _database: Database;
+    readonly _delegate: ModularDataSnapshot;
+    constructor(_database: Database, _delegate: ModularDataSnapshot);
+    /**
+     * Retrieves the snapshot contents as JSON.  Returns null if the snapshot is
+     * empty.
+     *
+     * @returns JSON representation of the DataSnapshot contents, or null if empty.
+     */
+    val(): unknown;
+    /**
+     * Returns the snapshot contents as JSON, including priorities of node.  Suitable for exporting
+     * the entire node contents.
+     * @returns JSON representation of the DataSnapshot contents, or null if empty.
+     */
+    exportVal(): unknown;
+    toJSON(): unknown;
+    /**
+     * Returns whether the snapshot contains a non-null value.
+     *
+     * @returns Whether the snapshot contains a non-null value, or is empty.
+     */
+    exists(): boolean;
+    /**
+     * Returns a DataSnapshot of the specified child node's contents.
+     *
+     * @param path - Path to a child.
+     * @returns DataSnapshot for child node.
+     */
+    child(path: string): DataSnapshot;
+    /**
+     * Returns whether the snapshot contains a child at the specified path.
+     *
+     * @param path - Path to a child.
+     * @returns Whether the child exists.
+     */
+    hasChild(path: string): boolean;
+    /**
+     * Returns the priority of the object, or null if no priority was set.
+     *
+     * @returns The priority.
+     */
+    getPriority(): string | number | null;
+    /**
+     * Iterates through child nodes and calls the specified action for each one.
+     *
+     * @param action - Callback function to be called
+     * for each child.
+     * @returns True if forEach was canceled by action returning true for
+     * one of the child nodes.
+     */
+    forEach(action: (snapshot: IteratedDataSnapshot) => boolean | void): boolean;
+    /**
+     * Returns whether this DataSnapshot has children.
+     * @returns True if the DataSnapshot contains 1 or more child nodes.
+     */
+    hasChildren(): boolean;
+    get key(): string;
+    /**
+     * Returns the number of children for this DataSnapshot.
+     * @returns The number of children that this DataSnapshot contains.
+     */
+    numChildren(): number;
+    /**
+     * @returns The Firebase reference for the location this snapshot's data came
+     * from.
+     */
+    getRef(): Reference;
+    get ref(): Reference;
+}
+/**
+ * Represents a child snapshot of a `Reference` that is being iterated over. The key will never be undefined.
+ */
+export interface IteratedDataSnapshot extends DataSnapshot {
+    key: string;
+}
+export interface SnapshotCallback {
+    (dataSnapshot: DataSnapshot, previousChildName?: string | null): unknown;
+}
+/**
+ * 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 implements Compat<ExpQuery> {
+    readonly database: Database;
+    readonly _delegate: ExpQuery;
+    constructor(database: Database, _delegate: ExpQuery);
+    on(eventType: string, callback: SnapshotCallback, cancelCallbackOrContext?: ((a: Error) => unknown) | object | null, context?: object | null): SnapshotCallback;
+    off(eventType?: string, callback?: SnapshotCallback, context?: object | null): void;
+    /**
+     * Get the server-value for this query, or return a cached value if not connected.
+     */
+    get(): Promise<DataSnapshot>;
+    /**
+     * Attaches a listener, waits for the first event, and then removes the listener
+     */
+    once(eventType: string, callback?: SnapshotCallback, failureCallbackOrContext?: ((a: Error) => void) | object | null, context?: object | null): Promise<DataSnapshot>;
+    /**
+     * Set a limit and anchor it to the start of the window.
+     */
+    limitToFirst(limit: number): Query;
+    /**
+     * Set a limit and anchor it to the end of the window.
+     */
+    limitToLast(limit: number): Query;
+    /**
+     * Given a child path, return a new query ordered by the specified grandchild path.
+     */
+    orderByChild(path: string): Query;
+    /**
+     * Return a new query ordered by the KeyIndex
+     */
+    orderByKey(): Query;
+    /**
+     * Return a new query ordered by the PriorityIndex
+     */
+    orderByPriority(): Query;
+    /**
+     * Return a new query ordered by the ValueIndex
+     */
+    orderByValue(): Query;
+    startAt(value?: number | string | boolean | null, name?: string | null): Query;
+    startAfter(value?: number | string | boolean | null, name?: string | null): Query;
+    endAt(value?: number | string | boolean | null, name?: string | null): Query;
+    endBefore(value?: number | string | boolean | null, name?: string | null): Query;
+    /**
+     * Load the selection of children with exactly the specified value, and, optionally,
+     * the specified name.
+     */
+    equalTo(value: number | string | boolean | null, name?: string): Query;
+    /**
+     * @returns URL for this location.
+     */
+    toString(): string;
+    toJSON(): string;
+    /**
+     * Return true if this query and the provided query are equivalent; otherwise, return false.
+     */
+    isEqual(other: Query): boolean;
+    /**
+     * Helper used by .on and .once to extract the context and or cancel arguments.
+     * @param fnName - The function name (on or once)
+     *
+     */
+    private static getCancelAndContextArgs_;
+    get ref(): Reference;
+}
+export declare class Reference extends Query implements Compat<ModularReference> {
+    readonly database: Database;
+    readonly _delegate: ModularReference;
+    then: Promise<Reference>['then'];
+    catch: Promise<Reference>['catch'];
+    /**
+     * Call options:
+     *   new Reference(Repo, Path) or
+     *   new Reference(url: string, string|RepoManager)
+     *
+     * Externally - this is the firebase.database.Reference type.
+     */
+    constructor(database: Database, _delegate: ModularReference);
+    /** @returns {?string} */
+    getKey(): string | null;
+    child(pathString: string): Reference;
+    /** @returns {?Reference} */
+    getParent(): Reference | null;
+    /** @returns {!Reference} */
+    getRoot(): Reference;
+    set(newVal: unknown, onComplete?: (error: Error | null) => void): Promise<void>;
+    update(values: object, onComplete?: (a: Error | null) => void): Promise<void>;
+    setWithPriority(newVal: unknown, newPriority: string | number | null, onComplete?: (a: Error | null) => void): Promise<void>;
+    remove(onComplete?: (a: Error | null) => void): Promise<void>;
+    transaction(transactionUpdate: (currentData: unknown) => unknown, onComplete?: (error: Error | null, committed: boolean, dataSnapshot: DataSnapshot | null) => void, applyLocally?: boolean): Promise<TransactionResult>;
+    setPriority(priority: string | number | null, onComplete?: (a: Error | null) => void): Promise<void>;
+    push(value?: unknown, onComplete?: (a: Error | null) => void): Reference;
+    onDisconnect(): OnDisconnect;
+    get key(): string | null;
+    get parent(): Reference | null;
+    get root(): Reference;
+}

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

@@ -0,0 +1,26 @@
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ *
+ * 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 './Reference';
+export declare class TransactionResult {
+    committed: boolean;
+    snapshot: DataSnapshot;
+    /**
+     * A type for the resolve value of Firebase.transaction.
+     */
+    constructor(committed: boolean, snapshot: DataSnapshot);
+    toJSON(): object;
+}

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

@@ -0,0 +1,41 @@
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ *
+ * 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 { FirebaseAppCheckInternal } from '@firebase/app-check-interop-types';
+import { FirebaseApp } from '@firebase/app-types';
+import { FirebaseAuthInternal } from '@firebase/auth-interop-types';
+import * as types from '@firebase/database-types';
+/**
+ * Used by console to create a database based on the app,
+ * passed database URL and a custom auth implementation.
+ *
+ * @param app - A valid FirebaseApp-like object
+ * @param url - A valid Firebase databaseURL
+ * @param version - custom version e.g. firebase-admin version
+ * @param customAuthImpl - custom auth implementation
+ */
+export declare function initStandalone<T>({ app, url, version, customAuthImpl, customAppCheckImpl, namespace, nodeAdmin }: {
+    app: FirebaseApp;
+    url: string;
+    version: string;
+    customAuthImpl: FirebaseAuthInternal;
+    customAppCheckImpl?: FirebaseAppCheckInternal;
+    namespace: T;
+    nodeAdmin?: boolean;
+}): {
+    instance: types.Database;
+    namespace: T;
+};

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

@@ -0,0 +1,27 @@
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ *
+ * 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 as ModularOnDisconnect } from '@firebase/database';
+import { Compat } from '@firebase/util';
+export declare class OnDisconnect implements Compat<ModularOnDisconnect> {
+    readonly _delegate: ModularOnDisconnect;
+    constructor(_delegate: ModularOnDisconnect);
+    cancel(onComplete?: (a: Error | null) => void): Promise<void>;
+    remove(onComplete?: (a: Error | null) => void): Promise<void>;
+    set(value: unknown, onComplete?: (a: Error | null) => void): Promise<void>;
+    setWithPriority(value: unknown, priority: number | string | null, onComplete?: (a: Error | null) => void): Promise<void>;
+    update(objectToMerge: Record<string, unknown>, onComplete?: (a: Error | null) => void): Promise<void>;
+}

server/node_modules/@firebase/database-compat/dist/database-compat/src/index.d.ts

@@ -0,0 +1,72 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ *
+ * 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-compat';
+import * as types from '@firebase/database-types';
+export declare function registerDatabase(instance: FirebaseNamespace): void;
+declare module '@firebase/app-compat' {
+    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;
+    }
+}
+
+import { FirebaseApp as FirebaseAppCompat } from "@firebase/app-compat";
+import { type DatabaseReference, type EmulatorMockTokenOptions, type DataSnapshot, type Database, type EventType, type Unsubscribe, type ListenOptions, type OnDisconnect, type ThenableReference, type QueryConstraint, type Query, type TransactionOptions, type TransactionResult } from "@firebase/database";
+declare module "@firebase/database" {
+    function child(parent: types.Reference, path: string): DatabaseReference;
+    function connectDatabaseEmulator(db: types.FirebaseDatabase, host: string, port: number, options?: {
+        mockUserToken?: EmulatorMockTokenOptions | string;
+    }): void;
+    function get(query: types.Query): Promise<DataSnapshot>;
+    function getDatabase(app?: FirebaseAppCompat, url?: string): Database;
+    function goOffline(db: types.FirebaseDatabase): void;
+    function goOnline(db: types.FirebaseDatabase): void;
+    function off(query: types.Query, eventType?: EventType, callback?: (snapshot: DataSnapshot, previousChildName?: string | null) => unknown): void;
+    function onChildAdded(query: types.Query, callback: (snapshot: DataSnapshot, previousChildName?: string | null) => unknown, cancelCallback?: (error: Error) => unknown): Unsubscribe;
+    function onChildAdded(query: types.Query, callback: (snapshot: DataSnapshot, previousChildName: string | null) => unknown, options: ListenOptions): Unsubscribe;
+    function onChildAdded(query: types.Query, callback: (snapshot: DataSnapshot, previousChildName: string | null) => unknown, cancelCallback: (error: Error) => unknown, options: ListenOptions): Unsubscribe;
+    function onChildChanged(query: types.Query, callback: (snapshot: DataSnapshot, previousChildName: string | null) => unknown, cancelCallback?: (error: Error) => unknown): Unsubscribe;
+    function onChildChanged(query: types.Query, callback: (snapshot: DataSnapshot, previousChildName: string | null) => unknown, options: ListenOptions): Unsubscribe;
+    function onChildChanged(query: types.Query, callback: (snapshot: DataSnapshot, previousChildName: string | null) => unknown, cancelCallback: (error: Error) => unknown, options: ListenOptions): Unsubscribe;
+    function onChildMoved(query: types.Query, callback: (snapshot: DataSnapshot, previousChildName: string | null) => unknown, cancelCallback?: (error: Error) => unknown): Unsubscribe;
+    function onChildMoved(query: types.Query, callback: (snapshot: DataSnapshot, previousChildName: string | null) => unknown, options: ListenOptions): Unsubscribe;
+    function onChildMoved(query: types.Query, callback: (snapshot: DataSnapshot, previousChildName: string | null) => unknown, cancelCallback: (error: Error) => unknown, options: ListenOptions): Unsubscribe;
+    function onChildRemoved(query: types.Query, callback: (snapshot: DataSnapshot) => unknown, cancelCallback?: (error: Error) => unknown): Unsubscribe;
+    function onChildRemoved(query: types.Query, callback: (snapshot: DataSnapshot) => unknown, options: ListenOptions): Unsubscribe;
+    function onChildRemoved(query: types.Query, callback: (snapshot: DataSnapshot) => unknown, cancelCallback: (error: Error) => unknown, options: ListenOptions): Unsubscribe;
+    function onDisconnect(ref: types.Reference): OnDisconnect;
+    function onValue(query: types.Query, callback: (snapshot: DataSnapshot) => unknown, cancelCallback?: (error: Error) => unknown): Unsubscribe;
+    function onValue(query: types.Query, callback: (snapshot: DataSnapshot) => unknown, options: ListenOptions): Unsubscribe;
+    function onValue(query: types.Query, callback: (snapshot: DataSnapshot) => unknown, cancelCallback: (error: Error) => unknown, options: ListenOptions): Unsubscribe;
+    function push(parent: types.Reference, value?: unknown): ThenableReference;
+    function query(query: types.Query, ...queryConstraints: QueryConstraint[]): Query;
+    function ref(db: types.FirebaseDatabase, path?: string): DatabaseReference;
+    function refFromURL(db: types.FirebaseDatabase, url: string): DatabaseReference;
+    function remove(ref: types.Reference): Promise<void>;
+    function runTransaction(ref: types.Reference, transactionUpdate: (currentData: any) => unknown, options?: TransactionOptions): Promise<TransactionResult>;
+    function set(ref: types.Reference, value: unknown): Promise<void>;
+    function setPriority(ref: types.Reference, priority: string | number | null): Promise<void>;
+    function setWithPriority(ref: types.Reference, value: unknown, priority: string | number | null): Promise<void>;
+    function update(ref: types.Reference, values: object): Promise<void>;
+}

server/node_modules/@firebase/database-compat/dist/database-compat/src/index.node.d.ts

@@ -0,0 +1,30 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ *
+ * 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 * as types from '@firebase/database-types';
+declare module '@firebase/app-compat' {
+    interface FirebaseNamespace {
+        database?: {
+            (app?: FirebaseApp): types.FirebaseDatabase;
+            enableLogging: typeof types.enableLogging;
+            ServerValue: types.ServerValue;
+            Database: typeof types.FirebaseDatabase;
+        };
+    }
+    interface FirebaseApp {
+        database?(): types.FirebaseDatabase;
+    }
+}

server/node_modules/@firebase/database-compat/dist/database-compat/src/index.standalone.d.ts

@@ -0,0 +1,52 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ *
+ * 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 { enableLogging } from '@firebase/database';
+import { Database } from './api/Database';
+import * as INTERNAL from './api/internal';
+import { DataSnapshot, Query, Reference } from './api/Reference';
+declare const ServerValue: {
+    TIMESTAMP: object;
+    increment: (delta: number) => object;
+};
+/**
+ * A one off register function which returns a database based on the app and
+ * passed database URL. (Used by the Admin SDK)
+ *
+ * @param app - A valid FirebaseApp-like object
+ * @param url - A valid Firebase databaseURL
+ * @param version - custom version e.g. firebase-admin version
+ * @param nodeAdmin - true if the SDK is being initialized from Firebase Admin.
+ */
+export declare function initStandalone(app: FirebaseApp, url: string, version: string, nodeAdmin?: boolean): {
+    instance: import("@firebase/database-types").Database;
+    namespace: {
+        Reference: typeof Reference;
+        Query: typeof Query;
+        Database: typeof Database;
+        DataSnapshot: typeof DataSnapshot;
+        enableLogging: typeof enableLogging;
+        INTERNAL: typeof INTERNAL;
+        ServerValue: {
+            TIMESTAMP: object;
+            increment: (delta: number) => object;
+        };
+    };
+};
+export { Database, Query, Reference, enableLogging, ServerValue };
+export { OnDisconnect } from '@firebase/database';
+export { DataSnapshot } from './api/Reference';

server/node_modules/@firebase/database-compat/dist/database-compat/src/util/util.d.ts

@@ -0,0 +1,17 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ *
+ * 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 warn: (msg: string) => void;

server/node_modules/@firebase/database-compat/dist/database-compat/src/util/validation.d.ts

@@ -0,0 +1,18 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ *
+ * 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 validateBoolean: (fnName: string, argumentName: string, bool: unknown, optional: boolean) => void;
+export declare const validateEventType: (fnName: string, eventType: string, optional: boolean) => void;

server/node_modules/@firebase/database-compat/dist/database-compat/test/browser/crawler_support.test.d.ts

@@ -0,0 +1,17 @@
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ *
+ * 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 {};

server/node_modules/@firebase/database-compat/dist/database-compat/test/database.test.d.ts

@@ -0,0 +1,17 @@
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ *
+ * 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 '../src/index';

server/node_modules/@firebase/database-compat/dist/database-compat/test/datasnapshot.test.d.ts

@@ -0,0 +1,17 @@
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ *
+ * 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 {};

server/node_modules/@firebase/database-compat/dist/database-compat/test/helpers/events.d.ts

@@ -0,0 +1,34 @@
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ *
+ * 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 set of functions to clean up event handlers.
+ */
+export declare let eventCleanupHandlers: any[];
+/** Clean up outstanding event handlers */
+export declare function eventCleanup(): void;
+/**
+ * Creates a struct which waits for many events.
+ * @param pathAndEvents - an array of tuples of [Firebase, [event type strings]]
+ */
+export declare function eventTestHelper(pathAndEvents: any, helperName?: any): {
+    promise: Promise<unknown>;
+    initPromise: Promise<unknown>;
+    waiter: () => boolean;
+    watchesInitializedWaiter: () => boolean;
+    unregister: () => void;
+    addExpectedEvents(moreEvents: any): void;
+};

server/node_modules/@firebase/database-compat/dist/database-compat/test/helpers/util.d.ts

@@ -0,0 +1,42 @@
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ *
+ * 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 '../../src/index';
+import { Path } from '../../../database/src/core/util/Path';
+import { Query, Reference } from '../../src/api/Reference';
+export declare const TEST_PROJECT: any;
+export declare const DATABASE_ADDRESS: any;
+export declare const DATABASE_URL: any;
+export declare function createTestApp(): import("@firebase/app-compat").FirebaseApp;
+/**
+ * Gets or creates a root node to the test namespace. All calls sharing the
+ * value of opt_i will share an app context.
+ */
+export declare function getRootNode(i?: number, ref?: string): any;
+/**
+ * Create multiple refs to the same top level
+ * push key - each on its own Firebase.Context.
+ */
+export declare function getRandomNode(numNodes?: any): Reference | Reference[];
+export declare function getQueryValue(query: Query): Promise<unknown>;
+export declare function pause(milliseconds: number): Promise<void>;
+export declare function getPath(query: Query): string;
+export declare function shuffle(arr: any, randFn?: () => number): void;
+export declare function getFreshRepo(path: Path): any;
+export declare function getFreshRepoFromReference(ref: any): any;
+export declare function getSnap(path: any): any;
+export declare function getVal(path: any): any;
+export declare function canCreateExtraConnections(): boolean;

server/node_modules/@firebase/database-compat/dist/database-compat/test/info.test.d.ts

@@ -0,0 +1,17 @@
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ *
+ * 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 {};

server/node_modules/@firebase/database-compat/dist/database-compat/test/order.test.d.ts

@@ -0,0 +1,17 @@
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ *
+ * 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 {};

server/node_modules/@firebase/database-compat/dist/database-compat/test/order_by.test.d.ts

@@ -0,0 +1,17 @@
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ *
+ * 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 {};

server/node_modules/@firebase/database-compat/dist/database-compat/test/promise.test.d.ts

@@ -0,0 +1,17 @@
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ *
+ * 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 {};

server/node_modules/@firebase/database-compat/dist/database-compat/test/query.test.d.ts

@@ -0,0 +1,17 @@
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ *
+ * 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 {};

server/node_modules/@firebase/database-compat/dist/database-compat/test/servervalues.test.d.ts

@@ -0,0 +1,17 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ *
+ * 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 {};

server/node_modules/@firebase/database-compat/dist/database-compat/test/transaction.test.d.ts

@@ -0,0 +1,17 @@
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ *
+ * 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 '../src/index';

server/node_modules/@firebase/database-compat/dist/index.esm.js

@@ -0,0 +1,860 @@
+import firebase from '@firebase/app-compat';
+import { ComponentContainer, Provider, Component } from '@firebase/component';
+import { _validatePathString, onChildMoved, onChildChanged, onChildRemoved, onChildAdded, onValue, off, get, query, limitToFirst, limitToLast, orderByChild, orderByKey, orderByPriority, orderByValue, startAt, startAfter, endAt, endBefore, equalTo, _ReferenceImpl, _QueryImpl, _QueryParams, child, set, _validateWritablePath, update, setWithPriority, remove, runTransaction, setPriority, push, OnDisconnect as OnDisconnect$1, forceWebSockets, forceLongPolling, connectDatabaseEmulator, refFromURL, ref, goOffline, goOnline, serverTimestamp, increment, _setSDKVersion, _repoManagerDatabaseFromApp, enableLogging } from '@firebase/database';
+import { errorPrefix, validateArgCount, validateCallback, validateContextObject, Deferred } from '@firebase/util';
+import { Logger } from '@firebase/logger';
+
+const name = "@firebase/database-compat";
+const version = "2.1.0";
+
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ *
+ * 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 logClient = new Logger('@firebase/database-compat');
+const warn = function (msg) {
+    const message = 'FIREBASE WARNING: ' + msg;
+    logClient.warn(message);
+};
+
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ *
+ * 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 validateBoolean = function (fnName, argumentName, bool, optional) {
+    if (optional && bool === undefined) {
+        return;
+    }
+    if (typeof bool !== 'boolean') {
+        throw new Error(errorPrefix(fnName, argumentName) + 'must be a boolean.');
+    }
+};
+const validateEventType = function (fnName, eventType, optional) {
+    if (optional && eventType === undefined) {
+        return;
+    }
+    switch (eventType) {
+        case 'value':
+        case 'child_added':
+        case 'child_removed':
+        case 'child_changed':
+        case 'child_moved':
+            break;
+        default:
+            throw new Error(errorPrefix(fnName, 'eventType') +
+                'must be a valid event type = "value", "child_added", "child_removed", ' +
+                '"child_changed", or "child_moved".');
+    }
+};
+
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ *
+ * 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.
+ */
+class OnDisconnect {
+    constructor(_delegate) {
+        this._delegate = _delegate;
+    }
+    cancel(onComplete) {
+        validateArgCount('OnDisconnect.cancel', 0, 1, arguments.length);
+        validateCallback('OnDisconnect.cancel', 'onComplete', onComplete, true);
+        const result = this._delegate.cancel();
+        if (onComplete) {
+            result.then(() => onComplete(null), error => onComplete(error));
+        }
+        return result;
+    }
+    remove(onComplete) {
+        validateArgCount('OnDisconnect.remove', 0, 1, arguments.length);
+        validateCallback('OnDisconnect.remove', 'onComplete', onComplete, true);
+        const result = this._delegate.remove();
+        if (onComplete) {
+            result.then(() => onComplete(null), error => onComplete(error));
+        }
+        return result;
+    }
+    set(value, onComplete) {
+        validateArgCount('OnDisconnect.set', 1, 2, arguments.length);
+        validateCallback('OnDisconnect.set', 'onComplete', onComplete, true);
+        const result = this._delegate.set(value);
+        if (onComplete) {
+            result.then(() => onComplete(null), error => onComplete(error));
+        }
+        return result;
+    }
+    setWithPriority(value, priority, onComplete) {
+        validateArgCount('OnDisconnect.setWithPriority', 2, 3, arguments.length);
+        validateCallback('OnDisconnect.setWithPriority', 'onComplete', onComplete, true);
+        const result = this._delegate.setWithPriority(value, priority);
+        if (onComplete) {
+            result.then(() => onComplete(null), error => onComplete(error));
+        }
+        return result;
+    }
+    update(objectToMerge, onComplete) {
+        validateArgCount('OnDisconnect.update', 1, 2, arguments.length);
+        if (Array.isArray(objectToMerge)) {
+            const newObjectToMerge = {};
+            for (let i = 0; i < objectToMerge.length; ++i) {
+                newObjectToMerge['' + i] = objectToMerge[i];
+            }
+            objectToMerge = newObjectToMerge;
+            warn('Passing an Array to firebase.database.onDisconnect().update() is deprecated. Use set() if you want to overwrite the ' +
+                'existing data, or an Object with integer keys if you really do want to only update some of the children.');
+        }
+        validateCallback('OnDisconnect.update', 'onComplete', onComplete, true);
+        const result = this._delegate.update(objectToMerge);
+        if (onComplete) {
+            result.then(() => onComplete(null), error => onComplete(error));
+        }
+        return result;
+    }
+}
+
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ *
+ * 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.
+ */
+class TransactionResult {
+    /**
+     * A type for the resolve value of Firebase.transaction.
+     */
+    constructor(committed, snapshot) {
+        this.committed = committed;
+        this.snapshot = snapshot;
+    }
+    // Do not create public documentation. This is intended to make JSON serialization work but is otherwise unnecessary
+    // for end-users
+    toJSON() {
+        validateArgCount('TransactionResult.toJSON', 0, 1, arguments.length);
+        return { committed: this.committed, snapshot: this.snapshot.toJSON() };
+    }
+}
+
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ *
+ * 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.
+ */
+/**
+ * Class representing a firebase data snapshot.  It wraps a SnapshotNode and
+ * surfaces the public methods (val, forEach, etc.) we want to expose.
+ */
+class DataSnapshot {
+    constructor(_database, _delegate) {
+        this._database = _database;
+        this._delegate = _delegate;
+    }
+    /**
+     * Retrieves the snapshot contents as JSON.  Returns null if the snapshot is
+     * empty.
+     *
+     * @returns JSON representation of the DataSnapshot contents, or null if empty.
+     */
+    val() {
+        validateArgCount('DataSnapshot.val', 0, 0, arguments.length);
+        return this._delegate.val();
+    }
+    /**
+     * Returns the snapshot contents as JSON, including priorities of node.  Suitable for exporting
+     * the entire node contents.
+     * @returns JSON representation of the DataSnapshot contents, or null if empty.
+     */
+    exportVal() {
+        validateArgCount('DataSnapshot.exportVal', 0, 0, arguments.length);
+        return this._delegate.exportVal();
+    }
+    // Do not create public documentation. This is intended to make JSON serialization work but is otherwise unnecessary
+    // for end-users
+    toJSON() {
+        // Optional spacer argument is unnecessary because we're depending on recursion rather than stringifying the content
+        validateArgCount('DataSnapshot.toJSON', 0, 1, arguments.length);
+        return this._delegate.toJSON();
+    }
+    /**
+     * Returns whether the snapshot contains a non-null value.
+     *
+     * @returns Whether the snapshot contains a non-null value, or is empty.
+     */
+    exists() {
+        validateArgCount('DataSnapshot.exists', 0, 0, arguments.length);
+        return this._delegate.exists();
+    }
+    /**
+     * Returns a DataSnapshot of the specified child node's contents.
+     *
+     * @param path - Path to a child.
+     * @returns DataSnapshot for child node.
+     */
+    child(path) {
+        validateArgCount('DataSnapshot.child', 0, 1, arguments.length);
+        // Ensure the childPath is a string (can be a number)
+        path = String(path);
+        _validatePathString('DataSnapshot.child', 'path', path, false);
+        return new DataSnapshot(this._database, this._delegate.child(path));
+    }
+    /**
+     * Returns whether the snapshot contains a child at the specified path.
+     *
+     * @param path - Path to a child.
+     * @returns Whether the child exists.
+     */
+    hasChild(path) {
+        validateArgCount('DataSnapshot.hasChild', 1, 1, arguments.length);
+        _validatePathString('DataSnapshot.hasChild', 'path', path, false);
+        return this._delegate.hasChild(path);
+    }
+    /**
+     * Returns the priority of the object, or null if no priority was set.
+     *
+     * @returns The priority.
+     */
+    getPriority() {
+        validateArgCount('DataSnapshot.getPriority', 0, 0, arguments.length);
+        return this._delegate.priority;
+    }
+    /**
+     * Iterates through child nodes and calls the specified action for each one.
+     *
+     * @param action - Callback function to be called
+     * for each child.
+     * @returns True if forEach was canceled by action returning true for
+     * one of the child nodes.
+     */
+    forEach(action) {
+        validateArgCount('DataSnapshot.forEach', 1, 1, arguments.length);
+        validateCallback('DataSnapshot.forEach', 'action', action, false);
+        return this._delegate.forEach(expDataSnapshot => action(new DataSnapshot(this._database, expDataSnapshot)));
+    }
+    /**
+     * Returns whether this DataSnapshot has children.
+     * @returns True if the DataSnapshot contains 1 or more child nodes.
+     */
+    hasChildren() {
+        validateArgCount('DataSnapshot.hasChildren', 0, 0, arguments.length);
+        return this._delegate.hasChildren();
+    }
+    get key() {
+        return this._delegate.key;
+    }
+    /**
+     * Returns the number of children for this DataSnapshot.
+     * @returns The number of children that this DataSnapshot contains.
+     */
+    numChildren() {
+        validateArgCount('DataSnapshot.numChildren', 0, 0, arguments.length);
+        return this._delegate.size;
+    }
+    /**
+     * @returns The Firebase reference for the location this snapshot's data came
+     * from.
+     */
+    getRef() {
+        validateArgCount('DataSnapshot.ref', 0, 0, arguments.length);
+        return new Reference(this._database, this._delegate.ref);
+    }
+    get ref() {
+        return this.getRef();
+    }
+}
+/**
+ * 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.
+ */
+class Query {
+    constructor(database, _delegate) {
+        this.database = database;
+        this._delegate = _delegate;
+    }
+    on(eventType, callback, cancelCallbackOrContext, context) {
+        validateArgCount('Query.on', 2, 4, arguments.length);
+        validateCallback('Query.on', 'callback', callback, false);
+        const ret = Query.getCancelAndContextArgs_('Query.on', cancelCallbackOrContext, context);
+        const valueCallback = (expSnapshot, previousChildName) => {
+            callback.call(ret.context, new DataSnapshot(this.database, expSnapshot), previousChildName);
+        };
+        valueCallback.userCallback = callback;
+        valueCallback.context = ret.context;
+        const cancelCallback = ret.cancel?.bind(ret.context);
+        switch (eventType) {
+            case 'value':
+                onValue(this._delegate, valueCallback, cancelCallback);
+                return callback;
+            case 'child_added':
+                onChildAdded(this._delegate, valueCallback, cancelCallback);
+                return callback;
+            case 'child_removed':
+                onChildRemoved(this._delegate, valueCallback, cancelCallback);
+                return callback;
+            case 'child_changed':
+                onChildChanged(this._delegate, valueCallback, cancelCallback);
+                return callback;
+            case 'child_moved':
+                onChildMoved(this._delegate, valueCallback, cancelCallback);
+                return callback;
+            default:
+                throw new Error(errorPrefix('Query.on', 'eventType') +
+                    'must be a valid event type = "value", "child_added", "child_removed", ' +
+                    '"child_changed", or "child_moved".');
+        }
+    }
+    off(eventType, callback, context) {
+        validateArgCount('Query.off', 0, 3, arguments.length);
+        validateEventType('Query.off', eventType, true);
+        validateCallback('Query.off', 'callback', callback, true);
+        validateContextObject('Query.off', 'context', context, true);
+        if (callback) {
+            const valueCallback = () => { };
+            valueCallback.userCallback = callback;
+            valueCallback.context = context;
+            off(this._delegate, eventType, valueCallback);
+        }
+        else {
+            off(this._delegate, eventType);
+        }
+    }
+    /**
+     * Get the server-value for this query, or return a cached value if not connected.
+     */
+    get() {
+        return get(this._delegate).then(expSnapshot => {
+            return new DataSnapshot(this.database, expSnapshot);
+        });
+    }
+    /**
+     * Attaches a listener, waits for the first event, and then removes the listener
+     */
+    once(eventType, callback, failureCallbackOrContext, context) {
+        validateArgCount('Query.once', 1, 4, arguments.length);
+        validateCallback('Query.once', 'callback', callback, true);
+        const ret = Query.getCancelAndContextArgs_('Query.once', failureCallbackOrContext, context);
+        const deferred = new Deferred();
+        const valueCallback = (expSnapshot, previousChildName) => {
+            const result = new DataSnapshot(this.database, expSnapshot);
+            if (callback) {
+                callback.call(ret.context, result, previousChildName);
+            }
+            deferred.resolve(result);
+        };
+        valueCallback.userCallback = callback;
+        valueCallback.context = ret.context;
+        const cancelCallback = (error) => {
+            if (ret.cancel) {
+                ret.cancel.call(ret.context, error);
+            }
+            deferred.reject(error);
+        };
+        switch (eventType) {
+            case 'value':
+                onValue(this._delegate, valueCallback, cancelCallback, {
+                    onlyOnce: true
+                });
+                break;
+            case 'child_added':
+                onChildAdded(this._delegate, valueCallback, cancelCallback, {
+                    onlyOnce: true
+                });
+                break;
+            case 'child_removed':
+                onChildRemoved(this._delegate, valueCallback, cancelCallback, {
+                    onlyOnce: true
+                });
+                break;
+            case 'child_changed':
+                onChildChanged(this._delegate, valueCallback, cancelCallback, {
+                    onlyOnce: true
+                });
+                break;
+            case 'child_moved':
+                onChildMoved(this._delegate, valueCallback, cancelCallback, {
+                    onlyOnce: true
+                });
+                break;
+            default:
+                throw new Error(errorPrefix('Query.once', 'eventType') +
+                    'must be a valid event type = "value", "child_added", "child_removed", ' +
+                    '"child_changed", or "child_moved".');
+        }
+        return deferred.promise;
+    }
+    /**
+     * Set a limit and anchor it to the start of the window.
+     */
+    limitToFirst(limit) {
+        validateArgCount('Query.limitToFirst', 1, 1, arguments.length);
+        return new Query(this.database, query(this._delegate, limitToFirst(limit)));
+    }
+    /**
+     * Set a limit and anchor it to the end of the window.
+     */
+    limitToLast(limit) {
+        validateArgCount('Query.limitToLast', 1, 1, arguments.length);
+        return new Query(this.database, query(this._delegate, limitToLast(limit)));
+    }
+    /**
+     * Given a child path, return a new query ordered by the specified grandchild path.
+     */
+    orderByChild(path) {
+        validateArgCount('Query.orderByChild', 1, 1, arguments.length);
+        return new Query(this.database, query(this._delegate, orderByChild(path)));
+    }
+    /**
+     * Return a new query ordered by the KeyIndex
+     */
+    orderByKey() {
+        validateArgCount('Query.orderByKey', 0, 0, arguments.length);
+        return new Query(this.database, query(this._delegate, orderByKey()));
+    }
+    /**
+     * Return a new query ordered by the PriorityIndex
+     */
+    orderByPriority() {
+        validateArgCount('Query.orderByPriority', 0, 0, arguments.length);
+        return new Query(this.database, query(this._delegate, orderByPriority()));
+    }
+    /**
+     * Return a new query ordered by the ValueIndex
+     */
+    orderByValue() {
+        validateArgCount('Query.orderByValue', 0, 0, arguments.length);
+        return new Query(this.database, query(this._delegate, orderByValue()));
+    }
+    startAt(value = null, name) {
+        validateArgCount('Query.startAt', 0, 2, arguments.length);
+        return new Query(this.database, query(this._delegate, startAt(value, name)));
+    }
+    startAfter(value = null, name) {
+        validateArgCount('Query.startAfter', 0, 2, arguments.length);
+        return new Query(this.database, query(this._delegate, startAfter(value, name)));
+    }
+    endAt(value = null, name) {
+        validateArgCount('Query.endAt', 0, 2, arguments.length);
+        return new Query(this.database, query(this._delegate, endAt(value, name)));
+    }
+    endBefore(value = null, name) {
+        validateArgCount('Query.endBefore', 0, 2, arguments.length);
+        return new Query(this.database, query(this._delegate, endBefore(value, name)));
+    }
+    /**
+     * Load the selection of children with exactly the specified value, and, optionally,
+     * the specified name.
+     */
+    equalTo(value, name) {
+        validateArgCount('Query.equalTo', 1, 2, arguments.length);
+        return new Query(this.database, query(this._delegate, equalTo(value, name)));
+    }
+    /**
+     * @returns URL for this location.
+     */
+    toString() {
+        validateArgCount('Query.toString', 0, 0, arguments.length);
+        return this._delegate.toString();
+    }
+    // Do not create public documentation. This is intended to make JSON serialization work but is otherwise unnecessary
+    // for end-users.
+    toJSON() {
+        // An optional spacer argument is unnecessary for a string.
+        validateArgCount('Query.toJSON', 0, 1, arguments.length);
+        return this._delegate.toJSON();
+    }
+    /**
+     * Return true if this query and the provided query are equivalent; otherwise, return false.
+     */
+    isEqual(other) {
+        validateArgCount('Query.isEqual', 1, 1, arguments.length);
+        if (!(other instanceof Query)) {
+            const error = 'Query.isEqual failed: First argument must be an instance of firebase.database.Query.';
+            throw new Error(error);
+        }
+        return this._delegate.isEqual(other._delegate);
+    }
+    /**
+     * Helper used by .on and .once to extract the context and or cancel arguments.
+     * @param fnName - The function name (on or once)
+     *
+     */
+    static getCancelAndContextArgs_(fnName, cancelOrContext, context) {
+        const ret = { cancel: undefined, context: undefined };
+        if (cancelOrContext && context) {
+            ret.cancel = cancelOrContext;
+            validateCallback(fnName, 'cancel', ret.cancel, true);
+            ret.context = context;
+            validateContextObject(fnName, 'context', ret.context, true);
+        }
+        else if (cancelOrContext) {
+            // we have either a cancel callback or a context.
+            if (typeof cancelOrContext === 'object' && cancelOrContext !== null) {
+                // it's a context!
+                ret.context = cancelOrContext;
+            }
+            else if (typeof cancelOrContext === 'function') {
+                ret.cancel = cancelOrContext;
+            }
+            else {
+                throw new Error(errorPrefix(fnName, 'cancelOrContext') +
+                    ' must either be a cancel callback or a context object.');
+            }
+        }
+        return ret;
+    }
+    get ref() {
+        return new Reference(this.database, new _ReferenceImpl(this._delegate._repo, this._delegate._path));
+    }
+}
+class Reference extends Query {
+    /**
+     * Call options:
+     *   new Reference(Repo, Path) or
+     *   new Reference(url: string, string|RepoManager)
+     *
+     * Externally - this is the firebase.database.Reference type.
+     */
+    constructor(database, _delegate) {
+        super(database, new _QueryImpl(_delegate._repo, _delegate._path, new _QueryParams(), false));
+        this.database = database;
+        this._delegate = _delegate;
+    }
+    /** @returns {?string} */
+    getKey() {
+        validateArgCount('Reference.key', 0, 0, arguments.length);
+        return this._delegate.key;
+    }
+    child(pathString) {
+        validateArgCount('Reference.child', 1, 1, arguments.length);
+        if (typeof pathString === 'number') {
+            pathString = String(pathString);
+        }
+        return new Reference(this.database, child(this._delegate, pathString));
+    }
+    /** @returns {?Reference} */
+    getParent() {
+        validateArgCount('Reference.parent', 0, 0, arguments.length);
+        const parent = this._delegate.parent;
+        return parent ? new Reference(this.database, parent) : null;
+    }
+    /** @returns {!Reference} */
+    getRoot() {
+        validateArgCount('Reference.root', 0, 0, arguments.length);
+        return new Reference(this.database, this._delegate.root);
+    }
+    set(newVal, onComplete) {
+        validateArgCount('Reference.set', 1, 2, arguments.length);
+        validateCallback('Reference.set', 'onComplete', onComplete, true);
+        const result = set(this._delegate, newVal);
+        if (onComplete) {
+            result.then(() => onComplete(null), error => onComplete(error));
+        }
+        return result;
+    }
+    update(values, onComplete) {
+        validateArgCount('Reference.update', 1, 2, arguments.length);
+        if (Array.isArray(values)) {
+            const newObjectToMerge = {};
+            for (let i = 0; i < values.length; ++i) {
+                newObjectToMerge['' + i] = values[i];
+            }
+            values = newObjectToMerge;
+            warn('Passing an Array to Firebase.update() is deprecated. ' +
+                'Use set() if you want to overwrite the existing data, or ' +
+                'an Object with integer keys if you really do want to ' +
+                'only update some of the children.');
+        }
+        _validateWritablePath('Reference.update', this._delegate._path);
+        validateCallback('Reference.update', 'onComplete', onComplete, true);
+        const result = update(this._delegate, values);
+        if (onComplete) {
+            result.then(() => onComplete(null), error => onComplete(error));
+        }
+        return result;
+    }
+    setWithPriority(newVal, newPriority, onComplete) {
+        validateArgCount('Reference.setWithPriority', 2, 3, arguments.length);
+        validateCallback('Reference.setWithPriority', 'onComplete', onComplete, true);
+        const result = setWithPriority(this._delegate, newVal, newPriority);
+        if (onComplete) {
+            result.then(() => onComplete(null), error => onComplete(error));
+        }
+        return result;
+    }
+    remove(onComplete) {
+        validateArgCount('Reference.remove', 0, 1, arguments.length);
+        validateCallback('Reference.remove', 'onComplete', onComplete, true);
+        const result = remove(this._delegate);
+        if (onComplete) {
+            result.then(() => onComplete(null), error => onComplete(error));
+        }
+        return result;
+    }
+    transaction(transactionUpdate, onComplete, applyLocally) {
+        validateArgCount('Reference.transaction', 1, 3, arguments.length);
+        validateCallback('Reference.transaction', 'transactionUpdate', transactionUpdate, false);
+        validateCallback('Reference.transaction', 'onComplete', onComplete, true);
+        validateBoolean('Reference.transaction', 'applyLocally', applyLocally, true);
+        const result = runTransaction(this._delegate, transactionUpdate, {
+            applyLocally
+        }).then(transactionResult => new TransactionResult(transactionResult.committed, new DataSnapshot(this.database, transactionResult.snapshot)));
+        if (onComplete) {
+            result.then(transactionResult => onComplete(null, transactionResult.committed, transactionResult.snapshot), error => onComplete(error, false, null));
+        }
+        return result;
+    }
+    setPriority(priority, onComplete) {
+        validateArgCount('Reference.setPriority', 1, 2, arguments.length);
+        validateCallback('Reference.setPriority', 'onComplete', onComplete, true);
+        const result = setPriority(this._delegate, priority);
+        if (onComplete) {
+            result.then(() => onComplete(null), error => onComplete(error));
+        }
+        return result;
+    }
+    push(value, onComplete) {
+        validateArgCount('Reference.push', 0, 2, arguments.length);
+        validateCallback('Reference.push', 'onComplete', onComplete, true);
+        const expPromise = push(this._delegate, value);
+        const promise = expPromise.then(expRef => new Reference(this.database, expRef));
+        if (onComplete) {
+            promise.then(() => onComplete(null), error => onComplete(error));
+        }
+        const result = new Reference(this.database, expPromise);
+        result.then = promise.then.bind(promise);
+        result.catch = promise.catch.bind(promise, undefined);
+        return result;
+    }
+    onDisconnect() {
+        _validateWritablePath('Reference.onDisconnect', this._delegate._path);
+        return new OnDisconnect(new OnDisconnect$1(this._delegate._repo, this._delegate._path));
+    }
+    get key() {
+        return this.getKey();
+    }
+    get parent() {
+        return this.getParent();
+    }
+    get root() {
+        return this.getRoot();
+    }
+}
+
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ *
+ * 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.
+ */
+/**
+ * Class representing a firebase database.
+ */
+class Database {
+    /**
+     * The constructor should not be called by users of our public API.
+     */
+    constructor(_delegate, app) {
+        this._delegate = _delegate;
+        this.app = app;
+        this.INTERNAL = {
+            delete: () => this._delegate._delete(),
+            forceWebSockets,
+            forceLongPolling
+        };
+    }
+    /**
+     * Modify this instance to communicate with the Realtime Database emulator.
+     *
+     * <p>Note: This method must be called before performing any other operation.
+     *
+     * @param host - the emulator host (ex: localhost)
+     * @param port - the emulator port (ex: 8080)
+     * @param options.mockUserToken - the mock auth token to use for unit testing Security Rules
+     */
+    useEmulator(host, port, options = {}) {
+        connectDatabaseEmulator(this._delegate, host, port, options);
+    }
+    ref(path) {
+        validateArgCount('database.ref', 0, 1, arguments.length);
+        if (path instanceof Reference) {
+            const childRef = refFromURL(this._delegate, path.toString());
+            return new Reference(this, childRef);
+        }
+        else {
+            const childRef = ref(this._delegate, path);
+            return new Reference(this, childRef);
+        }
+    }
+    /**
+     * 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.
+     * @returns Firebase reference.
+     */
+    refFromURL(url) {
+        const apiName = 'database.refFromURL';
+        validateArgCount(apiName, 1, 1, arguments.length);
+        const childRef = refFromURL(this._delegate, url);
+        return new Reference(this, childRef);
+    }
+    // Make individual repo go offline.
+    goOffline() {
+        validateArgCount('database.goOffline', 0, 0, arguments.length);
+        return goOffline(this._delegate);
+    }
+    goOnline() {
+        validateArgCount('database.goOnline', 0, 0, arguments.length);
+        return goOnline(this._delegate);
+    }
+}
+Database.ServerValue = {
+    TIMESTAMP: serverTimestamp(),
+    increment: (delta) => increment(delta)
+};
+
+/**
+ * Used by console to create a database based on the app,
+ * passed database URL and a custom auth implementation.
+ *
+ * @param app - A valid FirebaseApp-like object
+ * @param url - A valid Firebase databaseURL
+ * @param version - custom version e.g. firebase-admin version
+ * @param customAuthImpl - custom auth implementation
+ */
+function initStandalone({ app, url, version, customAuthImpl, customAppCheckImpl, namespace, nodeAdmin = false }) {
+    _setSDKVersion(version);
+    const container = new ComponentContainer('database-standalone');
+    /**
+     * ComponentContainer('database-standalone') is just a placeholder that doesn't perform
+     * any actual function.
+     */
+    const authProvider = new Provider('auth-internal', container);
+    authProvider.setComponent(new Component('auth-internal', () => customAuthImpl, "PRIVATE" /* ComponentType.PRIVATE */));
+    let appCheckProvider = undefined;
+    if (customAppCheckImpl) {
+        appCheckProvider = new Provider('app-check-internal', container);
+        appCheckProvider.setComponent(new Component('app-check-internal', () => customAppCheckImpl, "PRIVATE" /* ComponentType.PRIVATE */));
+    }
+    return {
+        instance: new Database(_repoManagerDatabaseFromApp(app, authProvider, appCheckProvider, url, nodeAdmin), app),
+        namespace
+    };
+}
+
+var INTERNAL = /*#__PURE__*/Object.freeze({
+  __proto__: null,
+  initStandalone: initStandalone
+});
+
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ *
+ * 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 ServerValue = Database.ServerValue;
+function registerDatabase(instance) {
+    // Register the Database Service with the 'firebase' namespace.
+    instance.INTERNAL.registerComponent(new Component('database-compat', (container, { instanceIdentifier: url }) => {
+        /* Dependencies */
+        // getImmediate for FirebaseApp will always succeed
+        const app = container.getProvider('app-compat').getImmediate();
+        const databaseExp = container
+            .getProvider('database')
+            .getImmediate({ identifier: url });
+        return new Database(databaseExp, app);
+    }, "PUBLIC" /* ComponentType.PUBLIC */)
+        .setServiceProps(
+    // firebase.database namespace properties
+    {
+        Reference,
+        Query,
+        Database,
+        DataSnapshot,
+        enableLogging,
+        INTERNAL,
+        ServerValue
+    })
+        .setMultipleInstances(true));
+    instance.registerVersion(name, version);
+}
+registerDatabase(firebase);
+
+export { registerDatabase };
+//# sourceMappingURL=index.esm.js.map

server/node_modules/@firebase/database-compat/dist/index.js

@@ -0,0 +1,864 @@
+'use strict';
+
+var firebase = require('@firebase/app-compat');
+var component = require('@firebase/component');
+var database = require('@firebase/database');
+var util = require('@firebase/util');
+var logger = require('@firebase/logger');
+
+function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }
+
+var firebase__default = /*#__PURE__*/_interopDefaultLegacy(firebase);
+
+const name = "@firebase/database-compat";
+const version = "2.1.0";
+
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ *
+ * 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 logClient = new logger.Logger('@firebase/database-compat');
+const warn = function (msg) {
+    const message = 'FIREBASE WARNING: ' + msg;
+    logClient.warn(message);
+};
+
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ *
+ * 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 validateBoolean = function (fnName, argumentName, bool, optional) {
+    if (optional && bool === undefined) {
+        return;
+    }
+    if (typeof bool !== 'boolean') {
+        throw new Error(util.errorPrefix(fnName, argumentName) + 'must be a boolean.');
+    }
+};
+const validateEventType = function (fnName, eventType, optional) {
+    if (optional && eventType === undefined) {
+        return;
+    }
+    switch (eventType) {
+        case 'value':
+        case 'child_added':
+        case 'child_removed':
+        case 'child_changed':
+        case 'child_moved':
+            break;
+        default:
+            throw new Error(util.errorPrefix(fnName, 'eventType') +
+                'must be a valid event type = "value", "child_added", "child_removed", ' +
+                '"child_changed", or "child_moved".');
+    }
+};
+
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ *
+ * 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.
+ */
+class OnDisconnect {
+    constructor(_delegate) {
+        this._delegate = _delegate;
+    }
+    cancel(onComplete) {
+        util.validateArgCount('OnDisconnect.cancel', 0, 1, arguments.length);
+        util.validateCallback('OnDisconnect.cancel', 'onComplete', onComplete, true);
+        const result = this._delegate.cancel();
+        if (onComplete) {
+            result.then(() => onComplete(null), error => onComplete(error));
+        }
+        return result;
+    }
+    remove(onComplete) {
+        util.validateArgCount('OnDisconnect.remove', 0, 1, arguments.length);
+        util.validateCallback('OnDisconnect.remove', 'onComplete', onComplete, true);
+        const result = this._delegate.remove();
+        if (onComplete) {
+            result.then(() => onComplete(null), error => onComplete(error));
+        }
+        return result;
+    }
+    set(value, onComplete) {
+        util.validateArgCount('OnDisconnect.set', 1, 2, arguments.length);
+        util.validateCallback('OnDisconnect.set', 'onComplete', onComplete, true);
+        const result = this._delegate.set(value);
+        if (onComplete) {
+            result.then(() => onComplete(null), error => onComplete(error));
+        }
+        return result;
+    }
+    setWithPriority(value, priority, onComplete) {
+        util.validateArgCount('OnDisconnect.setWithPriority', 2, 3, arguments.length);
+        util.validateCallback('OnDisconnect.setWithPriority', 'onComplete', onComplete, true);
+        const result = this._delegate.setWithPriority(value, priority);
+        if (onComplete) {
+            result.then(() => onComplete(null), error => onComplete(error));
+        }
+        return result;
+    }
+    update(objectToMerge, onComplete) {
+        util.validateArgCount('OnDisconnect.update', 1, 2, arguments.length);
+        if (Array.isArray(objectToMerge)) {
+            const newObjectToMerge = {};
+            for (let i = 0; i < objectToMerge.length; ++i) {
+                newObjectToMerge['' + i] = objectToMerge[i];
+            }
+            objectToMerge = newObjectToMerge;
+            warn('Passing an Array to firebase.database.onDisconnect().update() is deprecated. Use set() if you want to overwrite the ' +
+                'existing data, or an Object with integer keys if you really do want to only update some of the children.');
+        }
+        util.validateCallback('OnDisconnect.update', 'onComplete', onComplete, true);
+        const result = this._delegate.update(objectToMerge);
+        if (onComplete) {
+            result.then(() => onComplete(null), error => onComplete(error));
+        }
+        return result;
+    }
+}
+
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ *
+ * 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.
+ */
+class TransactionResult {
+    /**
+     * A type for the resolve value of Firebase.transaction.
+     */
+    constructor(committed, snapshot) {
+        this.committed = committed;
+        this.snapshot = snapshot;
+    }
+    // Do not create public documentation. This is intended to make JSON serialization work but is otherwise unnecessary
+    // for end-users
+    toJSON() {
+        util.validateArgCount('TransactionResult.toJSON', 0, 1, arguments.length);
+        return { committed: this.committed, snapshot: this.snapshot.toJSON() };
+    }
+}
+
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ *
+ * 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.
+ */
+/**
+ * Class representing a firebase data snapshot.  It wraps a SnapshotNode and
+ * surfaces the public methods (val, forEach, etc.) we want to expose.
+ */
+class DataSnapshot {
+    constructor(_database, _delegate) {
+        this._database = _database;
+        this._delegate = _delegate;
+    }
+    /**
+     * Retrieves the snapshot contents as JSON.  Returns null if the snapshot is
+     * empty.
+     *
+     * @returns JSON representation of the DataSnapshot contents, or null if empty.
+     */
+    val() {
+        util.validateArgCount('DataSnapshot.val', 0, 0, arguments.length);
+        return this._delegate.val();
+    }
+    /**
+     * Returns the snapshot contents as JSON, including priorities of node.  Suitable for exporting
+     * the entire node contents.
+     * @returns JSON representation of the DataSnapshot contents, or null if empty.
+     */
+    exportVal() {
+        util.validateArgCount('DataSnapshot.exportVal', 0, 0, arguments.length);
+        return this._delegate.exportVal();
+    }
+    // Do not create public documentation. This is intended to make JSON serialization work but is otherwise unnecessary
+    // for end-users
+    toJSON() {
+        // Optional spacer argument is unnecessary because we're depending on recursion rather than stringifying the content
+        util.validateArgCount('DataSnapshot.toJSON', 0, 1, arguments.length);
+        return this._delegate.toJSON();
+    }
+    /**
+     * Returns whether the snapshot contains a non-null value.
+     *
+     * @returns Whether the snapshot contains a non-null value, or is empty.
+     */
+    exists() {
+        util.validateArgCount('DataSnapshot.exists', 0, 0, arguments.length);
+        return this._delegate.exists();
+    }
+    /**
+     * Returns a DataSnapshot of the specified child node's contents.
+     *
+     * @param path - Path to a child.
+     * @returns DataSnapshot for child node.
+     */
+    child(path) {
+        util.validateArgCount('DataSnapshot.child', 0, 1, arguments.length);
+        // Ensure the childPath is a string (can be a number)
+        path = String(path);
+        database._validatePathString('DataSnapshot.child', 'path', path, false);
+        return new DataSnapshot(this._database, this._delegate.child(path));
+    }
+    /**
+     * Returns whether the snapshot contains a child at the specified path.
+     *
+     * @param path - Path to a child.
+     * @returns Whether the child exists.
+     */
+    hasChild(path) {
+        util.validateArgCount('DataSnapshot.hasChild', 1, 1, arguments.length);
+        database._validatePathString('DataSnapshot.hasChild', 'path', path, false);
+        return this._delegate.hasChild(path);
+    }
+    /**
+     * Returns the priority of the object, or null if no priority was set.
+     *
+     * @returns The priority.
+     */
+    getPriority() {
+        util.validateArgCount('DataSnapshot.getPriority', 0, 0, arguments.length);
+        return this._delegate.priority;
+    }
+    /**
+     * Iterates through child nodes and calls the specified action for each one.
+     *
+     * @param action - Callback function to be called
+     * for each child.
+     * @returns True if forEach was canceled by action returning true for
+     * one of the child nodes.
+     */
+    forEach(action) {
+        util.validateArgCount('DataSnapshot.forEach', 1, 1, arguments.length);
+        util.validateCallback('DataSnapshot.forEach', 'action', action, false);
+        return this._delegate.forEach(expDataSnapshot => action(new DataSnapshot(this._database, expDataSnapshot)));
+    }
+    /**
+     * Returns whether this DataSnapshot has children.
+     * @returns True if the DataSnapshot contains 1 or more child nodes.
+     */
+    hasChildren() {
+        util.validateArgCount('DataSnapshot.hasChildren', 0, 0, arguments.length);
+        return this._delegate.hasChildren();
+    }
+    get key() {
+        return this._delegate.key;
+    }
+    /**
+     * Returns the number of children for this DataSnapshot.
+     * @returns The number of children that this DataSnapshot contains.
+     */
+    numChildren() {
+        util.validateArgCount('DataSnapshot.numChildren', 0, 0, arguments.length);
+        return this._delegate.size;
+    }
+    /**
+     * @returns The Firebase reference for the location this snapshot's data came
+     * from.
+     */
+    getRef() {
+        util.validateArgCount('DataSnapshot.ref', 0, 0, arguments.length);
+        return new Reference(this._database, this._delegate.ref);
+    }
+    get ref() {
+        return this.getRef();
+    }
+}
+/**
+ * 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.
+ */
+class Query {
+    constructor(database, _delegate) {
+        this.database = database;
+        this._delegate = _delegate;
+    }
+    on(eventType, callback, cancelCallbackOrContext, context) {
+        util.validateArgCount('Query.on', 2, 4, arguments.length);
+        util.validateCallback('Query.on', 'callback', callback, false);
+        const ret = Query.getCancelAndContextArgs_('Query.on', cancelCallbackOrContext, context);
+        const valueCallback = (expSnapshot, previousChildName) => {
+            callback.call(ret.context, new DataSnapshot(this.database, expSnapshot), previousChildName);
+        };
+        valueCallback.userCallback = callback;
+        valueCallback.context = ret.context;
+        const cancelCallback = ret.cancel?.bind(ret.context);
+        switch (eventType) {
+            case 'value':
+                database.onValue(this._delegate, valueCallback, cancelCallback);
+                return callback;
+            case 'child_added':
+                database.onChildAdded(this._delegate, valueCallback, cancelCallback);
+                return callback;
+            case 'child_removed':
+                database.onChildRemoved(this._delegate, valueCallback, cancelCallback);
+                return callback;
+            case 'child_changed':
+                database.onChildChanged(this._delegate, valueCallback, cancelCallback);
+                return callback;
+            case 'child_moved':
+                database.onChildMoved(this._delegate, valueCallback, cancelCallback);
+                return callback;
+            default:
+                throw new Error(util.errorPrefix('Query.on', 'eventType') +
+                    'must be a valid event type = "value", "child_added", "child_removed", ' +
+                    '"child_changed", or "child_moved".');
+        }
+    }
+    off(eventType, callback, context) {
+        util.validateArgCount('Query.off', 0, 3, arguments.length);
+        validateEventType('Query.off', eventType, true);
+        util.validateCallback('Query.off', 'callback', callback, true);
+        util.validateContextObject('Query.off', 'context', context, true);
+        if (callback) {
+            const valueCallback = () => { };
+            valueCallback.userCallback = callback;
+            valueCallback.context = context;
+            database.off(this._delegate, eventType, valueCallback);
+        }
+        else {
+            database.off(this._delegate, eventType);
+        }
+    }
+    /**
+     * Get the server-value for this query, or return a cached value if not connected.
+     */
+    get() {
+        return database.get(this._delegate).then(expSnapshot => {
+            return new DataSnapshot(this.database, expSnapshot);
+        });
+    }
+    /**
+     * Attaches a listener, waits for the first event, and then removes the listener
+     */
+    once(eventType, callback, failureCallbackOrContext, context) {
+        util.validateArgCount('Query.once', 1, 4, arguments.length);
+        util.validateCallback('Query.once', 'callback', callback, true);
+        const ret = Query.getCancelAndContextArgs_('Query.once', failureCallbackOrContext, context);
+        const deferred = new util.Deferred();
+        const valueCallback = (expSnapshot, previousChildName) => {
+            const result = new DataSnapshot(this.database, expSnapshot);
+            if (callback) {
+                callback.call(ret.context, result, previousChildName);
+            }
+            deferred.resolve(result);
+        };
+        valueCallback.userCallback = callback;
+        valueCallback.context = ret.context;
+        const cancelCallback = (error) => {
+            if (ret.cancel) {
+                ret.cancel.call(ret.context, error);
+            }
+            deferred.reject(error);
+        };
+        switch (eventType) {
+            case 'value':
+                database.onValue(this._delegate, valueCallback, cancelCallback, {
+                    onlyOnce: true
+                });
+                break;
+            case 'child_added':
+                database.onChildAdded(this._delegate, valueCallback, cancelCallback, {
+                    onlyOnce: true
+                });
+                break;
+            case 'child_removed':
+                database.onChildRemoved(this._delegate, valueCallback, cancelCallback, {
+                    onlyOnce: true
+                });
+                break;
+            case 'child_changed':
+                database.onChildChanged(this._delegate, valueCallback, cancelCallback, {
+                    onlyOnce: true
+                });
+                break;
+            case 'child_moved':
+                database.onChildMoved(this._delegate, valueCallback, cancelCallback, {
+                    onlyOnce: true
+                });
+                break;
+            default:
+                throw new Error(util.errorPrefix('Query.once', 'eventType') +
+                    'must be a valid event type = "value", "child_added", "child_removed", ' +
+                    '"child_changed", or "child_moved".');
+        }
+        return deferred.promise;
+    }
+    /**
+     * Set a limit and anchor it to the start of the window.
+     */
+    limitToFirst(limit) {
+        util.validateArgCount('Query.limitToFirst', 1, 1, arguments.length);
+        return new Query(this.database, database.query(this._delegate, database.limitToFirst(limit)));
+    }
+    /**
+     * Set a limit and anchor it to the end of the window.
+     */
+    limitToLast(limit) {
+        util.validateArgCount('Query.limitToLast', 1, 1, arguments.length);
+        return new Query(this.database, database.query(this._delegate, database.limitToLast(limit)));
+    }
+    /**
+     * Given a child path, return a new query ordered by the specified grandchild path.
+     */
+    orderByChild(path) {
+        util.validateArgCount('Query.orderByChild', 1, 1, arguments.length);
+        return new Query(this.database, database.query(this._delegate, database.orderByChild(path)));
+    }
+    /**
+     * Return a new query ordered by the KeyIndex
+     */
+    orderByKey() {
+        util.validateArgCount('Query.orderByKey', 0, 0, arguments.length);
+        return new Query(this.database, database.query(this._delegate, database.orderByKey()));
+    }
+    /**
+     * Return a new query ordered by the PriorityIndex
+     */
+    orderByPriority() {
+        util.validateArgCount('Query.orderByPriority', 0, 0, arguments.length);
+        return new Query(this.database, database.query(this._delegate, database.orderByPriority()));
+    }
+    /**
+     * Return a new query ordered by the ValueIndex
+     */
+    orderByValue() {
+        util.validateArgCount('Query.orderByValue', 0, 0, arguments.length);
+        return new Query(this.database, database.query(this._delegate, database.orderByValue()));
+    }
+    startAt(value = null, name) {
+        util.validateArgCount('Query.startAt', 0, 2, arguments.length);
+        return new Query(this.database, database.query(this._delegate, database.startAt(value, name)));
+    }
+    startAfter(value = null, name) {
+        util.validateArgCount('Query.startAfter', 0, 2, arguments.length);
+        return new Query(this.database, database.query(this._delegate, database.startAfter(value, name)));
+    }
+    endAt(value = null, name) {
+        util.validateArgCount('Query.endAt', 0, 2, arguments.length);
+        return new Query(this.database, database.query(this._delegate, database.endAt(value, name)));
+    }
+    endBefore(value = null, name) {
+        util.validateArgCount('Query.endBefore', 0, 2, arguments.length);
+        return new Query(this.database, database.query(this._delegate, database.endBefore(value, name)));
+    }
+    /**
+     * Load the selection of children with exactly the specified value, and, optionally,
+     * the specified name.
+     */
+    equalTo(value, name) {
+        util.validateArgCount('Query.equalTo', 1, 2, arguments.length);
+        return new Query(this.database, database.query(this._delegate, database.equalTo(value, name)));
+    }
+    /**
+     * @returns URL for this location.
+     */
+    toString() {
+        util.validateArgCount('Query.toString', 0, 0, arguments.length);
+        return this._delegate.toString();
+    }
+    // Do not create public documentation. This is intended to make JSON serialization work but is otherwise unnecessary
+    // for end-users.
+    toJSON() {
+        // An optional spacer argument is unnecessary for a string.
+        util.validateArgCount('Query.toJSON', 0, 1, arguments.length);
+        return this._delegate.toJSON();
+    }
+    /**
+     * Return true if this query and the provided query are equivalent; otherwise, return false.
+     */
+    isEqual(other) {
+        util.validateArgCount('Query.isEqual', 1, 1, arguments.length);
+        if (!(other instanceof Query)) {
+            const error = 'Query.isEqual failed: First argument must be an instance of firebase.database.Query.';
+            throw new Error(error);
+        }
+        return this._delegate.isEqual(other._delegate);
+    }
+    /**
+     * Helper used by .on and .once to extract the context and or cancel arguments.
+     * @param fnName - The function name (on or once)
+     *
+     */
+    static getCancelAndContextArgs_(fnName, cancelOrContext, context) {
+        const ret = { cancel: undefined, context: undefined };
+        if (cancelOrContext && context) {
+            ret.cancel = cancelOrContext;
+            util.validateCallback(fnName, 'cancel', ret.cancel, true);
+            ret.context = context;
+            util.validateContextObject(fnName, 'context', ret.context, true);
+        }
+        else if (cancelOrContext) {
+            // we have either a cancel callback or a context.
+            if (typeof cancelOrContext === 'object' && cancelOrContext !== null) {
+                // it's a context!
+                ret.context = cancelOrContext;
+            }
+            else if (typeof cancelOrContext === 'function') {
+                ret.cancel = cancelOrContext;
+            }
+            else {
+                throw new Error(util.errorPrefix(fnName, 'cancelOrContext') +
+                    ' must either be a cancel callback or a context object.');
+            }
+        }
+        return ret;
+    }
+    get ref() {
+        return new Reference(this.database, new database._ReferenceImpl(this._delegate._repo, this._delegate._path));
+    }
+}
+class Reference extends Query {
+    /**
+     * Call options:
+     *   new Reference(Repo, Path) or
+     *   new Reference(url: string, string|RepoManager)
+     *
+     * Externally - this is the firebase.database.Reference type.
+     */
+    constructor(database$1, _delegate) {
+        super(database$1, new database._QueryImpl(_delegate._repo, _delegate._path, new database._QueryParams(), false));
+        this.database = database$1;
+        this._delegate = _delegate;
+    }
+    /** @returns {?string} */
+    getKey() {
+        util.validateArgCount('Reference.key', 0, 0, arguments.length);
+        return this._delegate.key;
+    }
+    child(pathString) {
+        util.validateArgCount('Reference.child', 1, 1, arguments.length);
+        if (typeof pathString === 'number') {
+            pathString = String(pathString);
+        }
+        return new Reference(this.database, database.child(this._delegate, pathString));
+    }
+    /** @returns {?Reference} */
+    getParent() {
+        util.validateArgCount('Reference.parent', 0, 0, arguments.length);
+        const parent = this._delegate.parent;
+        return parent ? new Reference(this.database, parent) : null;
+    }
+    /** @returns {!Reference} */
+    getRoot() {
+        util.validateArgCount('Reference.root', 0, 0, arguments.length);
+        return new Reference(this.database, this._delegate.root);
+    }
+    set(newVal, onComplete) {
+        util.validateArgCount('Reference.set', 1, 2, arguments.length);
+        util.validateCallback('Reference.set', 'onComplete', onComplete, true);
+        const result = database.set(this._delegate, newVal);
+        if (onComplete) {
+            result.then(() => onComplete(null), error => onComplete(error));
+        }
+        return result;
+    }
+    update(values, onComplete) {
+        util.validateArgCount('Reference.update', 1, 2, arguments.length);
+        if (Array.isArray(values)) {
+            const newObjectToMerge = {};
+            for (let i = 0; i < values.length; ++i) {
+                newObjectToMerge['' + i] = values[i];
+            }
+            values = newObjectToMerge;
+            warn('Passing an Array to Firebase.update() is deprecated. ' +
+                'Use set() if you want to overwrite the existing data, or ' +
+                'an Object with integer keys if you really do want to ' +
+                'only update some of the children.');
+        }
+        database._validateWritablePath('Reference.update', this._delegate._path);
+        util.validateCallback('Reference.update', 'onComplete', onComplete, true);
+        const result = database.update(this._delegate, values);
+        if (onComplete) {
+            result.then(() => onComplete(null), error => onComplete(error));
+        }
+        return result;
+    }
+    setWithPriority(newVal, newPriority, onComplete) {
+        util.validateArgCount('Reference.setWithPriority', 2, 3, arguments.length);
+        util.validateCallback('Reference.setWithPriority', 'onComplete', onComplete, true);
+        const result = database.setWithPriority(this._delegate, newVal, newPriority);
+        if (onComplete) {
+            result.then(() => onComplete(null), error => onComplete(error));
+        }
+        return result;
+    }
+    remove(onComplete) {
+        util.validateArgCount('Reference.remove', 0, 1, arguments.length);
+        util.validateCallback('Reference.remove', 'onComplete', onComplete, true);
+        const result = database.remove(this._delegate);
+        if (onComplete) {
+            result.then(() => onComplete(null), error => onComplete(error));
+        }
+        return result;
+    }
+    transaction(transactionUpdate, onComplete, applyLocally) {
+        util.validateArgCount('Reference.transaction', 1, 3, arguments.length);
+        util.validateCallback('Reference.transaction', 'transactionUpdate', transactionUpdate, false);
+        util.validateCallback('Reference.transaction', 'onComplete', onComplete, true);
+        validateBoolean('Reference.transaction', 'applyLocally', applyLocally, true);
+        const result = database.runTransaction(this._delegate, transactionUpdate, {
+            applyLocally
+        }).then(transactionResult => new TransactionResult(transactionResult.committed, new DataSnapshot(this.database, transactionResult.snapshot)));
+        if (onComplete) {
+            result.then(transactionResult => onComplete(null, transactionResult.committed, transactionResult.snapshot), error => onComplete(error, false, null));
+        }
+        return result;
+    }
+    setPriority(priority, onComplete) {
+        util.validateArgCount('Reference.setPriority', 1, 2, arguments.length);
+        util.validateCallback('Reference.setPriority', 'onComplete', onComplete, true);
+        const result = database.setPriority(this._delegate, priority);
+        if (onComplete) {
+            result.then(() => onComplete(null), error => onComplete(error));
+        }
+        return result;
+    }
+    push(value, onComplete) {
+        util.validateArgCount('Reference.push', 0, 2, arguments.length);
+        util.validateCallback('Reference.push', 'onComplete', onComplete, true);
+        const expPromise = database.push(this._delegate, value);
+        const promise = expPromise.then(expRef => new Reference(this.database, expRef));
+        if (onComplete) {
+            promise.then(() => onComplete(null), error => onComplete(error));
+        }
+        const result = new Reference(this.database, expPromise);
+        result.then = promise.then.bind(promise);
+        result.catch = promise.catch.bind(promise, undefined);
+        return result;
+    }
+    onDisconnect() {
+        database._validateWritablePath('Reference.onDisconnect', this._delegate._path);
+        return new OnDisconnect(new database.OnDisconnect(this._delegate._repo, this._delegate._path));
+    }
+    get key() {
+        return this.getKey();
+    }
+    get parent() {
+        return this.getParent();
+    }
+    get root() {
+        return this.getRoot();
+    }
+}
+
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ *
+ * 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.
+ */
+/**
+ * Class representing a firebase database.
+ */
+class Database {
+    /**
+     * The constructor should not be called by users of our public API.
+     */
+    constructor(_delegate, app) {
+        this._delegate = _delegate;
+        this.app = app;
+        this.INTERNAL = {
+            delete: () => this._delegate._delete(),
+            forceWebSockets: database.forceWebSockets,
+            forceLongPolling: database.forceLongPolling
+        };
+    }
+    /**
+     * Modify this instance to communicate with the Realtime Database emulator.
+     *
+     * <p>Note: This method must be called before performing any other operation.
+     *
+     * @param host - the emulator host (ex: localhost)
+     * @param port - the emulator port (ex: 8080)
+     * @param options.mockUserToken - the mock auth token to use for unit testing Security Rules
+     */
+    useEmulator(host, port, options = {}) {
+        database.connectDatabaseEmulator(this._delegate, host, port, options);
+    }
+    ref(path) {
+        util.validateArgCount('database.ref', 0, 1, arguments.length);
+        if (path instanceof Reference) {
+            const childRef = database.refFromURL(this._delegate, path.toString());
+            return new Reference(this, childRef);
+        }
+        else {
+            const childRef = database.ref(this._delegate, path);
+            return new Reference(this, childRef);
+        }
+    }
+    /**
+     * 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.
+     * @returns Firebase reference.
+     */
+    refFromURL(url) {
+        const apiName = 'database.refFromURL';
+        util.validateArgCount(apiName, 1, 1, arguments.length);
+        const childRef = database.refFromURL(this._delegate, url);
+        return new Reference(this, childRef);
+    }
+    // Make individual repo go offline.
+    goOffline() {
+        util.validateArgCount('database.goOffline', 0, 0, arguments.length);
+        return database.goOffline(this._delegate);
+    }
+    goOnline() {
+        util.validateArgCount('database.goOnline', 0, 0, arguments.length);
+        return database.goOnline(this._delegate);
+    }
+}
+Database.ServerValue = {
+    TIMESTAMP: database.serverTimestamp(),
+    increment: (delta) => database.increment(delta)
+};
+
+/**
+ * Used by console to create a database based on the app,
+ * passed database URL and a custom auth implementation.
+ *
+ * @param app - A valid FirebaseApp-like object
+ * @param url - A valid Firebase databaseURL
+ * @param version - custom version e.g. firebase-admin version
+ * @param customAuthImpl - custom auth implementation
+ */
+function initStandalone({ app, url, version, customAuthImpl, customAppCheckImpl, namespace, nodeAdmin = false }) {
+    database._setSDKVersion(version);
+    const container = new component.ComponentContainer('database-standalone');
+    /**
+     * ComponentContainer('database-standalone') is just a placeholder that doesn't perform
+     * any actual function.
+     */
+    const authProvider = new component.Provider('auth-internal', container);
+    authProvider.setComponent(new component.Component('auth-internal', () => customAuthImpl, "PRIVATE" /* ComponentType.PRIVATE */));
+    let appCheckProvider = undefined;
+    if (customAppCheckImpl) {
+        appCheckProvider = new component.Provider('app-check-internal', container);
+        appCheckProvider.setComponent(new component.Component('app-check-internal', () => customAppCheckImpl, "PRIVATE" /* ComponentType.PRIVATE */));
+    }
+    return {
+        instance: new Database(database._repoManagerDatabaseFromApp(app, authProvider, appCheckProvider, url, nodeAdmin), app),
+        namespace
+    };
+}
+
+var INTERNAL = /*#__PURE__*/Object.freeze({
+  __proto__: null,
+  initStandalone: initStandalone
+});
+
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ *
+ * 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 ServerValue = Database.ServerValue;
+function registerDatabase(instance) {
+    // Register the Database Service with the 'firebase' namespace.
+    instance.INTERNAL.registerComponent(new component.Component('database-compat', (container, { instanceIdentifier: url }) => {
+        /* Dependencies */
+        // getImmediate for FirebaseApp will always succeed
+        const app = container.getProvider('app-compat').getImmediate();
+        const databaseExp = container
+            .getProvider('database')
+            .getImmediate({ identifier: url });
+        return new Database(databaseExp, app);
+    }, "PUBLIC" /* ComponentType.PUBLIC */)
+        .setServiceProps(
+    // firebase.database namespace properties
+    {
+        Reference,
+        Query,
+        Database,
+        DataSnapshot,
+        enableLogging: database.enableLogging,
+        INTERNAL,
+        ServerValue
+    })
+        .setMultipleInstances(true));
+    instance.registerVersion(name, version, 'node');
+}
+registerDatabase(firebase__default["default"]);
+//# sourceMappingURL=index.js.map

server/node_modules/@firebase/database-compat/dist/node-esm/database-compat/src/api/Database.d.ts

@@ -0,0 +1,74 @@
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ *
+ * 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 { FirebaseService } from '@firebase/app-types/private';
+import { forceLongPolling, forceWebSockets, Database as ModularDatabase } from '@firebase/database';
+import { Compat, EmulatorMockTokenOptions } from '@firebase/util';
+import { Reference } from './Reference';
+/**
+ * Class representing a firebase database.
+ */
+export declare class Database implements FirebaseService, Compat<ModularDatabase> {
+    readonly _delegate: ModularDatabase;
+    readonly app: FirebaseApp;
+    static readonly ServerValue: {
+        TIMESTAMP: object;
+        increment: (delta: number) => object;
+    };
+    /**
+     * The constructor should not be called by users of our public API.
+     */
+    constructor(_delegate: ModularDatabase, app: FirebaseApp);
+    INTERNAL: {
+        delete: () => Promise<void>;
+        forceWebSockets: typeof forceWebSockets;
+        forceLongPolling: typeof forceLongPolling;
+    };
+    /**
+     * Modify this instance to communicate with the Realtime Database emulator.
+     *
+     * <p>Note: This method must be called before performing any other operation.
+     *
+     * @param host - the emulator host (ex: localhost)
+     * @param port - the emulator port (ex: 8080)
+     * @param options.mockUserToken - the mock auth token to use for unit testing Security Rules
+     */
+    useEmulator(host: string, port: number, options?: {
+        mockUserToken?: EmulatorMockTokenOptions;
+    }): void;
+    /**
+     * Returns a reference to the root or to the path specified in the provided
+     * argument.
+     *
+     * @param 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.
+     * @returns 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.
+     * @returns Firebase reference.
+     */
+    refFromURL(url: string): Reference;
+    goOffline(): void;
+    goOnline(): void;
+}

server/node_modules/@firebase/database-compat/dist/node-esm/database-compat/src/api/Reference.d.ts

@@ -0,0 +1,207 @@
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ *
+ * 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 as ModularDataSnapshot, Query as ExpQuery, DatabaseReference as ModularReference } from '@firebase/database';
+import { Compat } from '@firebase/util';
+import { Database } from './Database';
+import { OnDisconnect } from './onDisconnect';
+import { TransactionResult } from './TransactionResult';
+/**
+ * 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 implements Compat<ModularDataSnapshot> {
+    readonly _database: Database;
+    readonly _delegate: ModularDataSnapshot;
+    constructor(_database: Database, _delegate: ModularDataSnapshot);
+    /**
+     * Retrieves the snapshot contents as JSON.  Returns null if the snapshot is
+     * empty.
+     *
+     * @returns JSON representation of the DataSnapshot contents, or null if empty.
+     */
+    val(): unknown;
+    /**
+     * Returns the snapshot contents as JSON, including priorities of node.  Suitable for exporting
+     * the entire node contents.
+     * @returns JSON representation of the DataSnapshot contents, or null if empty.
+     */
+    exportVal(): unknown;
+    toJSON(): unknown;
+    /**
+     * Returns whether the snapshot contains a non-null value.
+     *
+     * @returns Whether the snapshot contains a non-null value, or is empty.
+     */
+    exists(): boolean;
+    /**
+     * Returns a DataSnapshot of the specified child node's contents.
+     *
+     * @param path - Path to a child.
+     * @returns DataSnapshot for child node.
+     */
+    child(path: string): DataSnapshot;
+    /**
+     * Returns whether the snapshot contains a child at the specified path.
+     *
+     * @param path - Path to a child.
+     * @returns Whether the child exists.
+     */
+    hasChild(path: string): boolean;
+    /**
+     * Returns the priority of the object, or null if no priority was set.
+     *
+     * @returns The priority.
+     */
+    getPriority(): string | number | null;
+    /**
+     * Iterates through child nodes and calls the specified action for each one.
+     *
+     * @param action - Callback function to be called
+     * for each child.
+     * @returns True if forEach was canceled by action returning true for
+     * one of the child nodes.
+     */
+    forEach(action: (snapshot: IteratedDataSnapshot) => boolean | void): boolean;
+    /**
+     * Returns whether this DataSnapshot has children.
+     * @returns True if the DataSnapshot contains 1 or more child nodes.
+     */
+    hasChildren(): boolean;
+    get key(): string;
+    /**
+     * Returns the number of children for this DataSnapshot.
+     * @returns The number of children that this DataSnapshot contains.
+     */
+    numChildren(): number;
+    /**
+     * @returns The Firebase reference for the location this snapshot's data came
+     * from.
+     */
+    getRef(): Reference;
+    get ref(): Reference;
+}
+/**
+ * Represents a child snapshot of a `Reference` that is being iterated over. The key will never be undefined.
+ */
+export interface IteratedDataSnapshot extends DataSnapshot {
+    key: string;
+}
+export interface SnapshotCallback {
+    (dataSnapshot: DataSnapshot, previousChildName?: string | null): unknown;
+}
+/**
+ * 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 implements Compat<ExpQuery> {
+    readonly database: Database;
+    readonly _delegate: ExpQuery;
+    constructor(database: Database, _delegate: ExpQuery);
+    on(eventType: string, callback: SnapshotCallback, cancelCallbackOrContext?: ((a: Error) => unknown) | object | null, context?: object | null): SnapshotCallback;
+    off(eventType?: string, callback?: SnapshotCallback, context?: object | null): void;
+    /**
+     * Get the server-value for this query, or return a cached value if not connected.
+     */
+    get(): Promise<DataSnapshot>;
+    /**
+     * Attaches a listener, waits for the first event, and then removes the listener
+     */
+    once(eventType: string, callback?: SnapshotCallback, failureCallbackOrContext?: ((a: Error) => void) | object | null, context?: object | null): Promise<DataSnapshot>;
+    /**
+     * Set a limit and anchor it to the start of the window.
+     */
+    limitToFirst(limit: number): Query;
+    /**
+     * Set a limit and anchor it to the end of the window.
+     */
+    limitToLast(limit: number): Query;
+    /**
+     * Given a child path, return a new query ordered by the specified grandchild path.
+     */
+    orderByChild(path: string): Query;
+    /**
+     * Return a new query ordered by the KeyIndex
+     */
+    orderByKey(): Query;
+    /**
+     * Return a new query ordered by the PriorityIndex
+     */
+    orderByPriority(): Query;
+    /**
+     * Return a new query ordered by the ValueIndex
+     */
+    orderByValue(): Query;
+    startAt(value?: number | string | boolean | null, name?: string | null): Query;
+    startAfter(value?: number | string | boolean | null, name?: string | null): Query;
+    endAt(value?: number | string | boolean | null, name?: string | null): Query;
+    endBefore(value?: number | string | boolean | null, name?: string | null): Query;
+    /**
+     * Load the selection of children with exactly the specified value, and, optionally,
+     * the specified name.
+     */
+    equalTo(value: number | string | boolean | null, name?: string): Query;
+    /**
+     * @returns URL for this location.
+     */
+    toString(): string;
+    toJSON(): string;
+    /**
+     * Return true if this query and the provided query are equivalent; otherwise, return false.
+     */
+    isEqual(other: Query): boolean;
+    /**
+     * Helper used by .on and .once to extract the context and or cancel arguments.
+     * @param fnName - The function name (on or once)
+     *
+     */
+    private static getCancelAndContextArgs_;
+    get ref(): Reference;
+}
+export declare class Reference extends Query implements Compat<ModularReference> {
+    readonly database: Database;
+    readonly _delegate: ModularReference;
+    then: Promise<Reference>['then'];
+    catch: Promise<Reference>['catch'];
+    /**
+     * Call options:
+     *   new Reference(Repo, Path) or
+     *   new Reference(url: string, string|RepoManager)
+     *
+     * Externally - this is the firebase.database.Reference type.
+     */
+    constructor(database: Database, _delegate: ModularReference);
+    /** @returns {?string} */
+    getKey(): string | null;
+    child(pathString: string): Reference;
+    /** @returns {?Reference} */
+    getParent(): Reference | null;
+    /** @returns {!Reference} */
+    getRoot(): Reference;
+    set(newVal: unknown, onComplete?: (error: Error | null) => void): Promise<void>;
+    update(values: object, onComplete?: (a: Error | null) => void): Promise<void>;
+    setWithPriority(newVal: unknown, newPriority: string | number | null, onComplete?: (a: Error | null) => void): Promise<void>;
+    remove(onComplete?: (a: Error | null) => void): Promise<void>;
+    transaction(transactionUpdate: (currentData: unknown) => unknown, onComplete?: (error: Error | null, committed: boolean, dataSnapshot: DataSnapshot | null) => void, applyLocally?: boolean): Promise<TransactionResult>;
+    setPriority(priority: string | number | null, onComplete?: (a: Error | null) => void): Promise<void>;
+    push(value?: unknown, onComplete?: (a: Error | null) => void): Reference;
+    onDisconnect(): OnDisconnect;
+    get key(): string | null;
+    get parent(): Reference | null;
+    get root(): Reference;
+}

server/node_modules/@firebase/database-compat/dist/node-esm/database-compat/src/api/TransactionResult.d.ts

@@ -0,0 +1,26 @@
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ *
+ * 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 './Reference';
+export declare class TransactionResult {
+    committed: boolean;
+    snapshot: DataSnapshot;
+    /**
+     * A type for the resolve value of Firebase.transaction.
+     */
+    constructor(committed: boolean, snapshot: DataSnapshot);
+    toJSON(): object;
+}

server/node_modules/@firebase/database-compat/dist/node-esm/database-compat/src/api/internal.d.ts

@@ -0,0 +1,41 @@
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ *
+ * 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 { FirebaseAppCheckInternal } from '@firebase/app-check-interop-types';
+import { FirebaseApp } from '@firebase/app-types';
+import { FirebaseAuthInternal } from '@firebase/auth-interop-types';
+import * as types from '@firebase/database-types';
+/**
+ * Used by console to create a database based on the app,
+ * passed database URL and a custom auth implementation.
+ *
+ * @param app - A valid FirebaseApp-like object
+ * @param url - A valid Firebase databaseURL
+ * @param version - custom version e.g. firebase-admin version
+ * @param customAuthImpl - custom auth implementation
+ */
+export declare function initStandalone<T>({ app, url, version, customAuthImpl, customAppCheckImpl, namespace, nodeAdmin }: {
+    app: FirebaseApp;
+    url: string;
+    version: string;
+    customAuthImpl: FirebaseAuthInternal;
+    customAppCheckImpl?: FirebaseAppCheckInternal;
+    namespace: T;
+    nodeAdmin?: boolean;
+}): {
+    instance: types.Database;
+    namespace: T;
+};

server/node_modules/@firebase/database-compat/dist/node-esm/database-compat/src/api/onDisconnect.d.ts

@@ -0,0 +1,27 @@
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ *
+ * 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 as ModularOnDisconnect } from '@firebase/database';
+import { Compat } from '@firebase/util';
+export declare class OnDisconnect implements Compat<ModularOnDisconnect> {
+    readonly _delegate: ModularOnDisconnect;
+    constructor(_delegate: ModularOnDisconnect);
+    cancel(onComplete?: (a: Error | null) => void): Promise<void>;
+    remove(onComplete?: (a: Error | null) => void): Promise<void>;
+    set(value: unknown, onComplete?: (a: Error | null) => void): Promise<void>;
+    setWithPriority(value: unknown, priority: number | string | null, onComplete?: (a: Error | null) => void): Promise<void>;
+    update(objectToMerge: Record<string, unknown>, onComplete?: (a: Error | null) => void): Promise<void>;
+}

server/node_modules/@firebase/database-compat/dist/node-esm/database-compat/src/index.d.ts

@@ -0,0 +1,32 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ *
+ * 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-compat';
+import * as types from '@firebase/database-types';
+export declare function registerDatabase(instance: FirebaseNamespace): void;
+declare module '@firebase/app-compat' {
+    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;
+    }
+}

server/node_modules/@firebase/database-compat/dist/node-esm/database-compat/src/index.node.d.ts

@@ -0,0 +1,30 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ *
+ * 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 * as types from '@firebase/database-types';
+declare module '@firebase/app-compat' {
+    interface FirebaseNamespace {
+        database?: {
+            (app?: FirebaseApp): types.FirebaseDatabase;
+            enableLogging: typeof types.enableLogging;
+            ServerValue: types.ServerValue;
+            Database: typeof types.FirebaseDatabase;
+        };
+    }
+    interface FirebaseApp {
+        database?(): types.FirebaseDatabase;
+    }
+}

server/node_modules/@firebase/database-compat/dist/node-esm/database-compat/src/index.standalone.d.ts

@@ -0,0 +1,52 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ *
+ * 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 { enableLogging } from '@firebase/database';
+import { Database } from './api/Database';
+import * as INTERNAL from './api/internal';
+import { DataSnapshot, Query, Reference } from './api/Reference';
+declare const ServerValue: {
+    TIMESTAMP: object;
+    increment: (delta: number) => object;
+};
+/**
+ * A one off register function which returns a database based on the app and
+ * passed database URL. (Used by the Admin SDK)
+ *
+ * @param app - A valid FirebaseApp-like object
+ * @param url - A valid Firebase databaseURL
+ * @param version - custom version e.g. firebase-admin version
+ * @param nodeAdmin - true if the SDK is being initialized from Firebase Admin.
+ */
+export declare function initStandalone(app: FirebaseApp, url: string, version: string, nodeAdmin?: boolean): {
+    instance: import("@firebase/database-types").Database;
+    namespace: {
+        Reference: typeof Reference;
+        Query: typeof Query;
+        Database: typeof Database;
+        DataSnapshot: typeof DataSnapshot;
+        enableLogging: typeof enableLogging;
+        INTERNAL: typeof INTERNAL;
+        ServerValue: {
+            TIMESTAMP: object;
+            increment: (delta: number) => object;
+        };
+    };
+};
+export { Database, Query, Reference, enableLogging, ServerValue };
+export { OnDisconnect } from '@firebase/database';
+export { DataSnapshot } from './api/Reference';

server/node_modules/@firebase/database-compat/dist/node-esm/database-compat/src/util/util.d.ts

@@ -0,0 +1,17 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ *
+ * 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 warn: (msg: string) => void;

server/node_modules/@firebase/database-compat/dist/node-esm/database-compat/src/util/validation.d.ts

@@ -0,0 +1,18 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ *
+ * 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 validateBoolean: (fnName: string, argumentName: string, bool: unknown, optional: boolean) => void;
+export declare const validateEventType: (fnName: string, eventType: string, optional: boolean) => void;

server/node_modules/@firebase/database-compat/dist/node-esm/database-compat/test/browser/crawler_support.test.d.ts

@@ -0,0 +1,17 @@
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ *
+ * 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 {};

server/node_modules/@firebase/database-compat/dist/node-esm/database-compat/test/database.test.d.ts

@@ -0,0 +1,17 @@
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ *
+ * 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 '../src/index';

server/node_modules/@firebase/database-compat/dist/node-esm/database-compat/test/datasnapshot.test.d.ts

@@ -0,0 +1,17 @@
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ *
+ * 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 {};

server/node_modules/@firebase/database-compat/dist/node-esm/database-compat/test/helpers/events.d.ts

@@ -0,0 +1,34 @@
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ *
+ * 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 set of functions to clean up event handlers.
+ */
+export declare let eventCleanupHandlers: any[];
+/** Clean up outstanding event handlers */
+export declare function eventCleanup(): void;
+/**
+ * Creates a struct which waits for many events.
+ * @param pathAndEvents - an array of tuples of [Firebase, [event type strings]]
+ */
+export declare function eventTestHelper(pathAndEvents: any, helperName?: any): {
+    promise: Promise<unknown>;
+    initPromise: Promise<unknown>;
+    waiter: () => boolean;
+    watchesInitializedWaiter: () => boolean;
+    unregister: () => void;
+    addExpectedEvents(moreEvents: any): void;
+};

server/node_modules/@firebase/database-compat/dist/node-esm/database-compat/test/helpers/util.d.ts

@@ -0,0 +1,42 @@
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ *
+ * 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 '../../src/index';
+import { Path } from '../../../database/src/core/util/Path';
+import { Query, Reference } from '../../src/api/Reference';
+export declare const TEST_PROJECT: any;
+export declare const DATABASE_ADDRESS: any;
+export declare const DATABASE_URL: any;
+export declare function createTestApp(): import("@firebase/app-compat").FirebaseApp;
+/**
+ * Gets or creates a root node to the test namespace. All calls sharing the
+ * value of opt_i will share an app context.
+ */
+export declare function getRootNode(i?: number, ref?: string): any;
+/**
+ * Create multiple refs to the same top level
+ * push key - each on its own Firebase.Context.
+ */
+export declare function getRandomNode(numNodes?: any): Reference | Reference[];
+export declare function getQueryValue(query: Query): Promise<unknown>;
+export declare function pause(milliseconds: number): Promise<void>;
+export declare function getPath(query: Query): string;
+export declare function shuffle(arr: any, randFn?: () => number): void;
+export declare function getFreshRepo(path: Path): any;
+export declare function getFreshRepoFromReference(ref: any): any;
+export declare function getSnap(path: any): any;
+export declare function getVal(path: any): any;
+export declare function canCreateExtraConnections(): boolean;

server/node_modules/@firebase/database-compat/dist/node-esm/database-compat/test/info.test.d.ts

@@ -0,0 +1,17 @@
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ *
+ * 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 {};

server/node_modules/@firebase/database-compat/dist/node-esm/database-compat/test/order.test.d.ts

@@ -0,0 +1,17 @@
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ *
+ * 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 {};

server/node_modules/@firebase/database-compat/dist/node-esm/database-compat/test/order_by.test.d.ts

@@ -0,0 +1,17 @@
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ *
+ * 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 {};

server/node_modules/@firebase/database-compat/dist/node-esm/database-compat/test/promise.test.d.ts

@@ -0,0 +1,17 @@
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ *
+ * 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 {};

server/node_modules/@firebase/database-compat/dist/node-esm/database-compat/test/query.test.d.ts

@@ -0,0 +1,17 @@
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ *
+ * 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 {};

server/node_modules/@firebase/database-compat/dist/node-esm/database-compat/test/servervalues.test.d.ts

@@ -0,0 +1,17 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ *
+ * 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 {};

server/node_modules/@firebase/database-compat/dist/node-esm/database-compat/test/transaction.test.d.ts

@@ -0,0 +1,17 @@
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ *
+ * 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 '../src/index';

server/node_modules/@firebase/database-compat/dist/node-esm/index.js

@@ -0,0 +1,858 @@
+import firebase from '@firebase/app-compat';
+import { ComponentContainer, Provider, Component } from '@firebase/component';
+import { _validatePathString, onChildMoved, onChildChanged, onChildRemoved, onChildAdded, onValue, off, get, query, limitToFirst, limitToLast, orderByChild, orderByKey, orderByPriority, orderByValue, startAt, startAfter, endAt, endBefore, equalTo, _ReferenceImpl, _QueryImpl, _QueryParams, child, set, _validateWritablePath, update, setWithPriority, remove, runTransaction, setPriority, push, OnDisconnect as OnDisconnect$1, forceWebSockets, forceLongPolling, connectDatabaseEmulator, refFromURL, ref, goOffline, goOnline, serverTimestamp, increment, _setSDKVersion, _repoManagerDatabaseFromApp, enableLogging } from '@firebase/database';
+import { errorPrefix, validateArgCount, validateCallback, validateContextObject, Deferred } from '@firebase/util';
+import { Logger } from '@firebase/logger';
+
+const name = "@firebase/database-compat";
+const version = "2.1.0";
+
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ *
+ * 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 logClient = new Logger('@firebase/database-compat');
+const warn = function (msg) {
+    const message = 'FIREBASE WARNING: ' + msg;
+    logClient.warn(message);
+};
+
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ *
+ * 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 validateBoolean = function (fnName, argumentName, bool, optional) {
+    if (optional && bool === undefined) {
+        return;
+    }
+    if (typeof bool !== 'boolean') {
+        throw new Error(errorPrefix(fnName, argumentName) + 'must be a boolean.');
+    }
+};
+const validateEventType = function (fnName, eventType, optional) {
+    if (optional && eventType === undefined) {
+        return;
+    }
+    switch (eventType) {
+        case 'value':
+        case 'child_added':
+        case 'child_removed':
+        case 'child_changed':
+        case 'child_moved':
+            break;
+        default:
+            throw new Error(errorPrefix(fnName, 'eventType') +
+                'must be a valid event type = "value", "child_added", "child_removed", ' +
+                '"child_changed", or "child_moved".');
+    }
+};
+
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ *
+ * 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.
+ */
+class OnDisconnect {
+    constructor(_delegate) {
+        this._delegate = _delegate;
+    }
+    cancel(onComplete) {
+        validateArgCount('OnDisconnect.cancel', 0, 1, arguments.length);
+        validateCallback('OnDisconnect.cancel', 'onComplete', onComplete, true);
+        const result = this._delegate.cancel();
+        if (onComplete) {
+            result.then(() => onComplete(null), error => onComplete(error));
+        }
+        return result;
+    }
+    remove(onComplete) {
+        validateArgCount('OnDisconnect.remove', 0, 1, arguments.length);
+        validateCallback('OnDisconnect.remove', 'onComplete', onComplete, true);
+        const result = this._delegate.remove();
+        if (onComplete) {
+            result.then(() => onComplete(null), error => onComplete(error));
+        }
+        return result;
+    }
+    set(value, onComplete) {
+        validateArgCount('OnDisconnect.set', 1, 2, arguments.length);
+        validateCallback('OnDisconnect.set', 'onComplete', onComplete, true);
+        const result = this._delegate.set(value);
+        if (onComplete) {
+            result.then(() => onComplete(null), error => onComplete(error));
+        }
+        return result;
+    }
+    setWithPriority(value, priority, onComplete) {
+        validateArgCount('OnDisconnect.setWithPriority', 2, 3, arguments.length);
+        validateCallback('OnDisconnect.setWithPriority', 'onComplete', onComplete, true);
+        const result = this._delegate.setWithPriority(value, priority);
+        if (onComplete) {
+            result.then(() => onComplete(null), error => onComplete(error));
+        }
+        return result;
+    }
+    update(objectToMerge, onComplete) {
+        validateArgCount('OnDisconnect.update', 1, 2, arguments.length);
+        if (Array.isArray(objectToMerge)) {
+            const newObjectToMerge = {};
+            for (let i = 0; i < objectToMerge.length; ++i) {
+                newObjectToMerge['' + i] = objectToMerge[i];
+            }
+            objectToMerge = newObjectToMerge;
+            warn('Passing an Array to firebase.database.onDisconnect().update() is deprecated. Use set() if you want to overwrite the ' +
+                'existing data, or an Object with integer keys if you really do want to only update some of the children.');
+        }
+        validateCallback('OnDisconnect.update', 'onComplete', onComplete, true);
+        const result = this._delegate.update(objectToMerge);
+        if (onComplete) {
+            result.then(() => onComplete(null), error => onComplete(error));
+        }
+        return result;
+    }
+}
+
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ *
+ * 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.
+ */
+class TransactionResult {
+    /**
+     * A type for the resolve value of Firebase.transaction.
+     */
+    constructor(committed, snapshot) {
+        this.committed = committed;
+        this.snapshot = snapshot;
+    }
+    // Do not create public documentation. This is intended to make JSON serialization work but is otherwise unnecessary
+    // for end-users
+    toJSON() {
+        validateArgCount('TransactionResult.toJSON', 0, 1, arguments.length);
+        return { committed: this.committed, snapshot: this.snapshot.toJSON() };
+    }
+}
+
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ *
+ * 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.
+ */
+/**
+ * Class representing a firebase data snapshot.  It wraps a SnapshotNode and
+ * surfaces the public methods (val, forEach, etc.) we want to expose.
+ */
+class DataSnapshot {
+    constructor(_database, _delegate) {
+        this._database = _database;
+        this._delegate = _delegate;
+    }
+    /**
+     * Retrieves the snapshot contents as JSON.  Returns null if the snapshot is
+     * empty.
+     *
+     * @returns JSON representation of the DataSnapshot contents, or null if empty.
+     */
+    val() {
+        validateArgCount('DataSnapshot.val', 0, 0, arguments.length);
+        return this._delegate.val();
+    }
+    /**
+     * Returns the snapshot contents as JSON, including priorities of node.  Suitable for exporting
+     * the entire node contents.
+     * @returns JSON representation of the DataSnapshot contents, or null if empty.
+     */
+    exportVal() {
+        validateArgCount('DataSnapshot.exportVal', 0, 0, arguments.length);
+        return this._delegate.exportVal();
+    }
+    // Do not create public documentation. This is intended to make JSON serialization work but is otherwise unnecessary
+    // for end-users
+    toJSON() {
+        // Optional spacer argument is unnecessary because we're depending on recursion rather than stringifying the content
+        validateArgCount('DataSnapshot.toJSON', 0, 1, arguments.length);
+        return this._delegate.toJSON();
+    }
+    /**
+     * Returns whether the snapshot contains a non-null value.
+     *
+     * @returns Whether the snapshot contains a non-null value, or is empty.
+     */
+    exists() {
+        validateArgCount('DataSnapshot.exists', 0, 0, arguments.length);
+        return this._delegate.exists();
+    }
+    /**
+     * Returns a DataSnapshot of the specified child node's contents.
+     *
+     * @param path - Path to a child.
+     * @returns DataSnapshot for child node.
+     */
+    child(path) {
+        validateArgCount('DataSnapshot.child', 0, 1, arguments.length);
+        // Ensure the childPath is a string (can be a number)
+        path = String(path);
+        _validatePathString('DataSnapshot.child', 'path', path, false);
+        return new DataSnapshot(this._database, this._delegate.child(path));
+    }
+    /**
+     * Returns whether the snapshot contains a child at the specified path.
+     *
+     * @param path - Path to a child.
+     * @returns Whether the child exists.
+     */
+    hasChild(path) {
+        validateArgCount('DataSnapshot.hasChild', 1, 1, arguments.length);
+        _validatePathString('DataSnapshot.hasChild', 'path', path, false);
+        return this._delegate.hasChild(path);
+    }
+    /**
+     * Returns the priority of the object, or null if no priority was set.
+     *
+     * @returns The priority.
+     */
+    getPriority() {
+        validateArgCount('DataSnapshot.getPriority', 0, 0, arguments.length);
+        return this._delegate.priority;
+    }
+    /**
+     * Iterates through child nodes and calls the specified action for each one.
+     *
+     * @param action - Callback function to be called
+     * for each child.
+     * @returns True if forEach was canceled by action returning true for
+     * one of the child nodes.
+     */
+    forEach(action) {
+        validateArgCount('DataSnapshot.forEach', 1, 1, arguments.length);
+        validateCallback('DataSnapshot.forEach', 'action', action, false);
+        return this._delegate.forEach(expDataSnapshot => action(new DataSnapshot(this._database, expDataSnapshot)));
+    }
+    /**
+     * Returns whether this DataSnapshot has children.
+     * @returns True if the DataSnapshot contains 1 or more child nodes.
+     */
+    hasChildren() {
+        validateArgCount('DataSnapshot.hasChildren', 0, 0, arguments.length);
+        return this._delegate.hasChildren();
+    }
+    get key() {
+        return this._delegate.key;
+    }
+    /**
+     * Returns the number of children for this DataSnapshot.
+     * @returns The number of children that this DataSnapshot contains.
+     */
+    numChildren() {
+        validateArgCount('DataSnapshot.numChildren', 0, 0, arguments.length);
+        return this._delegate.size;
+    }
+    /**
+     * @returns The Firebase reference for the location this snapshot's data came
+     * from.
+     */
+    getRef() {
+        validateArgCount('DataSnapshot.ref', 0, 0, arguments.length);
+        return new Reference(this._database, this._delegate.ref);
+    }
+    get ref() {
+        return this.getRef();
+    }
+}
+/**
+ * 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.
+ */
+class Query {
+    constructor(database, _delegate) {
+        this.database = database;
+        this._delegate = _delegate;
+    }
+    on(eventType, callback, cancelCallbackOrContext, context) {
+        validateArgCount('Query.on', 2, 4, arguments.length);
+        validateCallback('Query.on', 'callback', callback, false);
+        const ret = Query.getCancelAndContextArgs_('Query.on', cancelCallbackOrContext, context);
+        const valueCallback = (expSnapshot, previousChildName) => {
+            callback.call(ret.context, new DataSnapshot(this.database, expSnapshot), previousChildName);
+        };
+        valueCallback.userCallback = callback;
+        valueCallback.context = ret.context;
+        const cancelCallback = ret.cancel?.bind(ret.context);
+        switch (eventType) {
+            case 'value':
+                onValue(this._delegate, valueCallback, cancelCallback);
+                return callback;
+            case 'child_added':
+                onChildAdded(this._delegate, valueCallback, cancelCallback);
+                return callback;
+            case 'child_removed':
+                onChildRemoved(this._delegate, valueCallback, cancelCallback);
+                return callback;
+            case 'child_changed':
+                onChildChanged(this._delegate, valueCallback, cancelCallback);
+                return callback;
+            case 'child_moved':
+                onChildMoved(this._delegate, valueCallback, cancelCallback);
+                return callback;
+            default:
+                throw new Error(errorPrefix('Query.on', 'eventType') +
+                    'must be a valid event type = "value", "child_added", "child_removed", ' +
+                    '"child_changed", or "child_moved".');
+        }
+    }
+    off(eventType, callback, context) {
+        validateArgCount('Query.off', 0, 3, arguments.length);
+        validateEventType('Query.off', eventType, true);
+        validateCallback('Query.off', 'callback', callback, true);
+        validateContextObject('Query.off', 'context', context, true);
+        if (callback) {
+            const valueCallback = () => { };
+            valueCallback.userCallback = callback;
+            valueCallback.context = context;
+            off(this._delegate, eventType, valueCallback);
+        }
+        else {
+            off(this._delegate, eventType);
+        }
+    }
+    /**
+     * Get the server-value for this query, or return a cached value if not connected.
+     */
+    get() {
+        return get(this._delegate).then(expSnapshot => {
+            return new DataSnapshot(this.database, expSnapshot);
+        });
+    }
+    /**
+     * Attaches a listener, waits for the first event, and then removes the listener
+     */
+    once(eventType, callback, failureCallbackOrContext, context) {
+        validateArgCount('Query.once', 1, 4, arguments.length);
+        validateCallback('Query.once', 'callback', callback, true);
+        const ret = Query.getCancelAndContextArgs_('Query.once', failureCallbackOrContext, context);
+        const deferred = new Deferred();
+        const valueCallback = (expSnapshot, previousChildName) => {
+            const result = new DataSnapshot(this.database, expSnapshot);
+            if (callback) {
+                callback.call(ret.context, result, previousChildName);
+            }
+            deferred.resolve(result);
+        };
+        valueCallback.userCallback = callback;
+        valueCallback.context = ret.context;
+        const cancelCallback = (error) => {
+            if (ret.cancel) {
+                ret.cancel.call(ret.context, error);
+            }
+            deferred.reject(error);
+        };
+        switch (eventType) {
+            case 'value':
+                onValue(this._delegate, valueCallback, cancelCallback, {
+                    onlyOnce: true
+                });
+                break;
+            case 'child_added':
+                onChildAdded(this._delegate, valueCallback, cancelCallback, {
+                    onlyOnce: true
+                });
+                break;
+            case 'child_removed':
+                onChildRemoved(this._delegate, valueCallback, cancelCallback, {
+                    onlyOnce: true
+                });
+                break;
+            case 'child_changed':
+                onChildChanged(this._delegate, valueCallback, cancelCallback, {
+                    onlyOnce: true
+                });
+                break;
+            case 'child_moved':
+                onChildMoved(this._delegate, valueCallback, cancelCallback, {
+                    onlyOnce: true
+                });
+                break;
+            default:
+                throw new Error(errorPrefix('Query.once', 'eventType') +
+                    'must be a valid event type = "value", "child_added", "child_removed", ' +
+                    '"child_changed", or "child_moved".');
+        }
+        return deferred.promise;
+    }
+    /**
+     * Set a limit and anchor it to the start of the window.
+     */
+    limitToFirst(limit) {
+        validateArgCount('Query.limitToFirst', 1, 1, arguments.length);
+        return new Query(this.database, query(this._delegate, limitToFirst(limit)));
+    }
+    /**
+     * Set a limit and anchor it to the end of the window.
+     */
+    limitToLast(limit) {
+        validateArgCount('Query.limitToLast', 1, 1, arguments.length);
+        return new Query(this.database, query(this._delegate, limitToLast(limit)));
+    }
+    /**
+     * Given a child path, return a new query ordered by the specified grandchild path.
+     */
+    orderByChild(path) {
+        validateArgCount('Query.orderByChild', 1, 1, arguments.length);
+        return new Query(this.database, query(this._delegate, orderByChild(path)));
+    }
+    /**
+     * Return a new query ordered by the KeyIndex
+     */
+    orderByKey() {
+        validateArgCount('Query.orderByKey', 0, 0, arguments.length);
+        return new Query(this.database, query(this._delegate, orderByKey()));
+    }
+    /**
+     * Return a new query ordered by the PriorityIndex
+     */
+    orderByPriority() {
+        validateArgCount('Query.orderByPriority', 0, 0, arguments.length);
+        return new Query(this.database, query(this._delegate, orderByPriority()));
+    }
+    /**
+     * Return a new query ordered by the ValueIndex
+     */
+    orderByValue() {
+        validateArgCount('Query.orderByValue', 0, 0, arguments.length);
+        return new Query(this.database, query(this._delegate, orderByValue()));
+    }
+    startAt(value = null, name) {
+        validateArgCount('Query.startAt', 0, 2, arguments.length);
+        return new Query(this.database, query(this._delegate, startAt(value, name)));
+    }
+    startAfter(value = null, name) {
+        validateArgCount('Query.startAfter', 0, 2, arguments.length);
+        return new Query(this.database, query(this._delegate, startAfter(value, name)));
+    }
+    endAt(value = null, name) {
+        validateArgCount('Query.endAt', 0, 2, arguments.length);
+        return new Query(this.database, query(this._delegate, endAt(value, name)));
+    }
+    endBefore(value = null, name) {
+        validateArgCount('Query.endBefore', 0, 2, arguments.length);
+        return new Query(this.database, query(this._delegate, endBefore(value, name)));
+    }
+    /**
+     * Load the selection of children with exactly the specified value, and, optionally,
+     * the specified name.
+     */
+    equalTo(value, name) {
+        validateArgCount('Query.equalTo', 1, 2, arguments.length);
+        return new Query(this.database, query(this._delegate, equalTo(value, name)));
+    }
+    /**
+     * @returns URL for this location.
+     */
+    toString() {
+        validateArgCount('Query.toString', 0, 0, arguments.length);
+        return this._delegate.toString();
+    }
+    // Do not create public documentation. This is intended to make JSON serialization work but is otherwise unnecessary
+    // for end-users.
+    toJSON() {
+        // An optional spacer argument is unnecessary for a string.
+        validateArgCount('Query.toJSON', 0, 1, arguments.length);
+        return this._delegate.toJSON();
+    }
+    /**
+     * Return true if this query and the provided query are equivalent; otherwise, return false.
+     */
+    isEqual(other) {
+        validateArgCount('Query.isEqual', 1, 1, arguments.length);
+        if (!(other instanceof Query)) {
+            const error = 'Query.isEqual failed: First argument must be an instance of firebase.database.Query.';
+            throw new Error(error);
+        }
+        return this._delegate.isEqual(other._delegate);
+    }
+    /**
+     * Helper used by .on and .once to extract the context and or cancel arguments.
+     * @param fnName - The function name (on or once)
+     *
+     */
+    static getCancelAndContextArgs_(fnName, cancelOrContext, context) {
+        const ret = { cancel: undefined, context: undefined };
+        if (cancelOrContext && context) {
+            ret.cancel = cancelOrContext;
+            validateCallback(fnName, 'cancel', ret.cancel, true);
+            ret.context = context;
+            validateContextObject(fnName, 'context', ret.context, true);
+        }
+        else if (cancelOrContext) {
+            // we have either a cancel callback or a context.
+            if (typeof cancelOrContext === 'object' && cancelOrContext !== null) {
+                // it's a context!
+                ret.context = cancelOrContext;
+            }
+            else if (typeof cancelOrContext === 'function') {
+                ret.cancel = cancelOrContext;
+            }
+            else {
+                throw new Error(errorPrefix(fnName, 'cancelOrContext') +
+                    ' must either be a cancel callback or a context object.');
+            }
+        }
+        return ret;
+    }
+    get ref() {
+        return new Reference(this.database, new _ReferenceImpl(this._delegate._repo, this._delegate._path));
+    }
+}
+class Reference extends Query {
+    /**
+     * Call options:
+     *   new Reference(Repo, Path) or
+     *   new Reference(url: string, string|RepoManager)
+     *
+     * Externally - this is the firebase.database.Reference type.
+     */
+    constructor(database, _delegate) {
+        super(database, new _QueryImpl(_delegate._repo, _delegate._path, new _QueryParams(), false));
+        this.database = database;
+        this._delegate = _delegate;
+    }
+    /** @returns {?string} */
+    getKey() {
+        validateArgCount('Reference.key', 0, 0, arguments.length);
+        return this._delegate.key;
+    }
+    child(pathString) {
+        validateArgCount('Reference.child', 1, 1, arguments.length);
+        if (typeof pathString === 'number') {
+            pathString = String(pathString);
+        }
+        return new Reference(this.database, child(this._delegate, pathString));
+    }
+    /** @returns {?Reference} */
+    getParent() {
+        validateArgCount('Reference.parent', 0, 0, arguments.length);
+        const parent = this._delegate.parent;
+        return parent ? new Reference(this.database, parent) : null;
+    }
+    /** @returns {!Reference} */
+    getRoot() {
+        validateArgCount('Reference.root', 0, 0, arguments.length);
+        return new Reference(this.database, this._delegate.root);
+    }
+    set(newVal, onComplete) {
+        validateArgCount('Reference.set', 1, 2, arguments.length);
+        validateCallback('Reference.set', 'onComplete', onComplete, true);
+        const result = set(this._delegate, newVal);
+        if (onComplete) {
+            result.then(() => onComplete(null), error => onComplete(error));
+        }
+        return result;
+    }
+    update(values, onComplete) {
+        validateArgCount('Reference.update', 1, 2, arguments.length);
+        if (Array.isArray(values)) {
+            const newObjectToMerge = {};
+            for (let i = 0; i < values.length; ++i) {
+                newObjectToMerge['' + i] = values[i];
+            }
+            values = newObjectToMerge;
+            warn('Passing an Array to Firebase.update() is deprecated. ' +
+                'Use set() if you want to overwrite the existing data, or ' +
+                'an Object with integer keys if you really do want to ' +
+                'only update some of the children.');
+        }
+        _validateWritablePath('Reference.update', this._delegate._path);
+        validateCallback('Reference.update', 'onComplete', onComplete, true);
+        const result = update(this._delegate, values);
+        if (onComplete) {
+            result.then(() => onComplete(null), error => onComplete(error));
+        }
+        return result;
+    }
+    setWithPriority(newVal, newPriority, onComplete) {
+        validateArgCount('Reference.setWithPriority', 2, 3, arguments.length);
+        validateCallback('Reference.setWithPriority', 'onComplete', onComplete, true);
+        const result = setWithPriority(this._delegate, newVal, newPriority);
+        if (onComplete) {
+            result.then(() => onComplete(null), error => onComplete(error));
+        }
+        return result;
+    }
+    remove(onComplete) {
+        validateArgCount('Reference.remove', 0, 1, arguments.length);
+        validateCallback('Reference.remove', 'onComplete', onComplete, true);
+        const result = remove(this._delegate);
+        if (onComplete) {
+            result.then(() => onComplete(null), error => onComplete(error));
+        }
+        return result;
+    }
+    transaction(transactionUpdate, onComplete, applyLocally) {
+        validateArgCount('Reference.transaction', 1, 3, arguments.length);
+        validateCallback('Reference.transaction', 'transactionUpdate', transactionUpdate, false);
+        validateCallback('Reference.transaction', 'onComplete', onComplete, true);
+        validateBoolean('Reference.transaction', 'applyLocally', applyLocally, true);
+        const result = runTransaction(this._delegate, transactionUpdate, {
+            applyLocally
+        }).then(transactionResult => new TransactionResult(transactionResult.committed, new DataSnapshot(this.database, transactionResult.snapshot)));
+        if (onComplete) {
+            result.then(transactionResult => onComplete(null, transactionResult.committed, transactionResult.snapshot), error => onComplete(error, false, null));
+        }
+        return result;
+    }
+    setPriority(priority, onComplete) {
+        validateArgCount('Reference.setPriority', 1, 2, arguments.length);
+        validateCallback('Reference.setPriority', 'onComplete', onComplete, true);
+        const result = setPriority(this._delegate, priority);
+        if (onComplete) {
+            result.then(() => onComplete(null), error => onComplete(error));
+        }
+        return result;
+    }
+    push(value, onComplete) {
+        validateArgCount('Reference.push', 0, 2, arguments.length);
+        validateCallback('Reference.push', 'onComplete', onComplete, true);
+        const expPromise = push(this._delegate, value);
+        const promise = expPromise.then(expRef => new Reference(this.database, expRef));
+        if (onComplete) {
+            promise.then(() => onComplete(null), error => onComplete(error));
+        }
+        const result = new Reference(this.database, expPromise);
+        result.then = promise.then.bind(promise);
+        result.catch = promise.catch.bind(promise, undefined);
+        return result;
+    }
+    onDisconnect() {
+        _validateWritablePath('Reference.onDisconnect', this._delegate._path);
+        return new OnDisconnect(new OnDisconnect$1(this._delegate._repo, this._delegate._path));
+    }
+    get key() {
+        return this.getKey();
+    }
+    get parent() {
+        return this.getParent();
+    }
+    get root() {
+        return this.getRoot();
+    }
+}
+
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ *
+ * 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.
+ */
+/**
+ * Class representing a firebase database.
+ */
+class Database {
+    /**
+     * The constructor should not be called by users of our public API.
+     */
+    constructor(_delegate, app) {
+        this._delegate = _delegate;
+        this.app = app;
+        this.INTERNAL = {
+            delete: () => this._delegate._delete(),
+            forceWebSockets,
+            forceLongPolling
+        };
+    }
+    /**
+     * Modify this instance to communicate with the Realtime Database emulator.
+     *
+     * <p>Note: This method must be called before performing any other operation.
+     *
+     * @param host - the emulator host (ex: localhost)
+     * @param port - the emulator port (ex: 8080)
+     * @param options.mockUserToken - the mock auth token to use for unit testing Security Rules
+     */
+    useEmulator(host, port, options = {}) {
+        connectDatabaseEmulator(this._delegate, host, port, options);
+    }
+    ref(path) {
+        validateArgCount('database.ref', 0, 1, arguments.length);
+        if (path instanceof Reference) {
+            const childRef = refFromURL(this._delegate, path.toString());
+            return new Reference(this, childRef);
+        }
+        else {
+            const childRef = ref(this._delegate, path);
+            return new Reference(this, childRef);
+        }
+    }
+    /**
+     * 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.
+     * @returns Firebase reference.
+     */
+    refFromURL(url) {
+        const apiName = 'database.refFromURL';
+        validateArgCount(apiName, 1, 1, arguments.length);
+        const childRef = refFromURL(this._delegate, url);
+        return new Reference(this, childRef);
+    }
+    // Make individual repo go offline.
+    goOffline() {
+        validateArgCount('database.goOffline', 0, 0, arguments.length);
+        return goOffline(this._delegate);
+    }
+    goOnline() {
+        validateArgCount('database.goOnline', 0, 0, arguments.length);
+        return goOnline(this._delegate);
+    }
+}
+Database.ServerValue = {
+    TIMESTAMP: serverTimestamp(),
+    increment: (delta) => increment(delta)
+};
+
+/**
+ * Used by console to create a database based on the app,
+ * passed database URL and a custom auth implementation.
+ *
+ * @param app - A valid FirebaseApp-like object
+ * @param url - A valid Firebase databaseURL
+ * @param version - custom version e.g. firebase-admin version
+ * @param customAuthImpl - custom auth implementation
+ */
+function initStandalone({ app, url, version, customAuthImpl, customAppCheckImpl, namespace, nodeAdmin = false }) {
+    _setSDKVersion(version);
+    const container = new ComponentContainer('database-standalone');
+    /**
+     * ComponentContainer('database-standalone') is just a placeholder that doesn't perform
+     * any actual function.
+     */
+    const authProvider = new Provider('auth-internal', container);
+    authProvider.setComponent(new Component('auth-internal', () => customAuthImpl, "PRIVATE" /* ComponentType.PRIVATE */));
+    let appCheckProvider = undefined;
+    if (customAppCheckImpl) {
+        appCheckProvider = new Provider('app-check-internal', container);
+        appCheckProvider.setComponent(new Component('app-check-internal', () => customAppCheckImpl, "PRIVATE" /* ComponentType.PRIVATE */));
+    }
+    return {
+        instance: new Database(_repoManagerDatabaseFromApp(app, authProvider, appCheckProvider, url, nodeAdmin), app),
+        namespace
+    };
+}
+
+var INTERNAL = /*#__PURE__*/Object.freeze({
+  __proto__: null,
+  initStandalone: initStandalone
+});
+
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ *
+ * 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 ServerValue = Database.ServerValue;
+function registerDatabase(instance) {
+    // Register the Database Service with the 'firebase' namespace.
+    instance.INTERNAL.registerComponent(new Component('database-compat', (container, { instanceIdentifier: url }) => {
+        /* Dependencies */
+        // getImmediate for FirebaseApp will always succeed
+        const app = container.getProvider('app-compat').getImmediate();
+        const databaseExp = container
+            .getProvider('database')
+            .getImmediate({ identifier: url });
+        return new Database(databaseExp, app);
+    }, "PUBLIC" /* ComponentType.PUBLIC */)
+        .setServiceProps(
+    // firebase.database namespace properties
+    {
+        Reference,
+        Query,
+        Database,
+        DataSnapshot,
+        enableLogging,
+        INTERNAL,
+        ServerValue
+    })
+        .setMultipleInstances(true));
+    instance.registerVersion(name, version, 'node');
+}
+registerDatabase(firebase);
+//# sourceMappingURL=index.js.map

server/node_modules/@firebase/database-compat/dist/node-esm/package.json

@@ -0,0 +1 @@
+{"type":"module"}

server/node_modules/@firebase/database-compat/package.json

@@ -0,0 +1,74 @@
+{
+  "name": "@firebase/database-compat",
+  "version": "2.1.0",
+  "description": "The Realtime Database component of the Firebase JS SDK.",
+  "author": "Firebase <firebase-support@google.com> (https://firebase.google.com/)",
+  "main": "dist/index.js",
+  "browser": "dist/index.esm.js",
+  "module": "dist/index.esm.js",
+  "license": "Apache-2.0",
+  "typings": "dist/database-compat/src/index.d.ts",
+  "files": [
+    "dist",
+    "standalone/package.json"
+  ],
+  "exports": {
+    ".": {
+      "types": "./dist/database-compat/src/index.d.ts",
+      "node": {
+        "types": "./dist/database-compat/src/index.node.d.ts",
+        "import": "./dist/node-esm/index.js",
+        "require": "./dist/index.js"
+      },
+      "browser": {
+        "require": "./dist/index.js",
+        "import": "./dist/index.esm.js"
+      },
+      "default": "./dist/index.esm.js"
+    },
+    "./standalone": {
+      "types": "./dist/database-compat/src/index.standalone.d.ts",
+      "node": "./dist/index.standalone.js",
+      "default": "./dist/index.standalone.js"
+    },
+    "./package.json": "./package.json"
+  },
+  "scripts": {
+    "lint": "eslint -c .eslintrc.js '**/*.ts' --ignore-path '../../.gitignore'",
+    "lint:fix": "eslint --fix -c .eslintrc.js '**/*.ts'  --ignore-path '../../.gitignore'",
+    "prettier": "prettier --write '*.js' '*.ts' '@(src|test)/**/*.ts'",
+    "build": "rollup -c rollup.config.js",
+    "build:release": "yarn build && yarn add-compat-overloads",
+    "build:deps": "lerna run --scope @firebase/database-compat --include-dependencies build",
+    "dev": "rollup -c -w",
+    "test": "run-p --npm-path npm lint test:browser test:node",
+    "test:ci": "node ../../scripts/run_tests_in_ci.js -s test",
+    "test:browser": "karma start",
+    "test:node": "TS_NODE_FILES=true TS_NODE_CACHE=NO TS_NODE_COMPILER_OPTIONS='{\"module\":\"commonjs\"}' nyc --reporter lcovonly -- mocha 'test/{,!(browser)/**/}*.test.ts' --file src/index.node.ts --config ../../config/mocharc.node.js",
+    "trusted-type-check": "tsec -p tsconfig.json --noEmit",
+    "add-compat-overloads": "ts-node-script ../../scripts/build/create-overloads.ts -i ../database/dist/public.d.ts -o dist/database-compat/src/index.d.ts -a -r Database:types.FirebaseDatabase -r Query:types.Query -r DatabaseReference:types.Reference -r FirebaseApp:FirebaseAppCompat --moduleToEnhance @firebase/database"
+  },
+  "dependencies": {
+    "@firebase/database": "1.1.0",
+    "@firebase/database-types": "1.0.16",
+    "@firebase/logger": "0.5.0",
+    "@firebase/util": "1.13.0",
+    "@firebase/component": "0.7.0",
+    "tslib": "^2.1.0"
+  },
+  "devDependencies": {
+    "@firebase/app-compat": "0.5.0",
+    "typescript": "5.5.4"
+  },
+  "repository": {
+    "directory": "packages/database-compat",
+    "type": "git",
+    "url": "git+https://github.com/firebase/firebase-js-sdk.git"
+  },
+  "bugs": {
+    "url": "https://github.com/firebase/firebase-js-sdk/issues"
+  },
+  "engines": {
+    "node": ">=20.0.0"
+  }
+}

server/node_modules/@firebase/database-compat/standalone/package.json

@@ -0,0 +1,7 @@
+{
+  "name": "@firebase/database-compat/standalone",
+  "description": "The entry point for sharing code with Admin SDK",
+  "main": "../dist/index.standalone.js",
+  "typings": "../dist/database-compat/src/index.standalone.d.ts",
+  "private": true
+}

server/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.**

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

@@ -0,0 +1,181 @@
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ *
+ * 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 { EmulatorMockTokenOptions } from '@firebase/util';
+
+/**
+ * Represents a child snapshot of a `Reference` that is being iterated over. The key will never be undefined.
+ */
+export interface IteratedDataSnapshot extends DataSnapshot {
+  key: string; // key of the location of this snapshot.
+}
+
+export interface DataSnapshot {
+  child(path: string): DataSnapshot;
+  exists(): boolean;
+  exportVal(): any;
+  forEach(action: (a: IteratedDataSnapshot) => 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 interface Database {
+  app: FirebaseApp;
+  useEmulator(
+    host: string,
+    port: number,
+    options?: {
+      mockUserToken?: EmulatorMockTokenOptions | string;
+    }
+  ): void;
+  goOffline(): void;
+  goOnline(): void;
+  ref(path?: string | Reference): Reference;
+  refFromURL(url: string): Reference;
+}
+
+export class FirebaseDatabase implements Database {
+  private constructor();
+  app: FirebaseApp;
+  useEmulator(
+    host: string,
+    port: number,
+    options?: {
+      mockUserToken?: EmulatorMockTokenOptions | string;
+    }
+  ): void;
+  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 {
+  endBefore(value: number | string | boolean | null, key?: string): 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;
+  get(): Promise<DataSnapshot>;
+  on(
+    eventType: EventType,
+    callback: (a: DataSnapshot, b?: string | null) => any,
+    cancelCallbackOrContext?: ((a: Error) => any) | Object | null,
+    context?: Object | null
+  ): (a: DataSnapshot | null, 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;
+  startAfter(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) => void): Promise<void>;
+  root: Reference;
+  set(value: any, onComplete?: (a: Error | null) => void): Promise<void>;
+  setPriority(
+    priority: string | number | null,
+    onComplete: (a: Error | null) => void
+  ): Promise<void>;
+  setWithPriority(
+    newVal: any,
+    newPriority: string | number | null,
+    onComplete?: (a: Error | null) => void
+  ): Promise<void>;
+  transaction(
+    transactionUpdate: (a: any) => any,
+    onComplete?: (a: Error | null, b: boolean, c: DataSnapshot | null) => void,
+    applyLocally?: boolean
+  ): Promise<TransactionResult>;
+  update(values: Object, onComplete?: (a: Error | null) => void): Promise<void>;
+}
+
+export interface ServerValue {
+  TIMESTAMP: Object;
+  increment(delta: number): Object;
+}
+
+export interface TransactionResult {
+  committed: boolean;
+  snapshot: DataSnapshot;
+}
+
+export interface ThenableReference
+  extends Reference,
+    Pick<Promise<Reference>, 'then' | 'catch'> {
+  key: string;
+  parent: Reference;
+}
+
+export function enableLogging(
+  logger?: boolean | ((a: string) => any),
+  persistent?: boolean
+): any;
+
+declare module '@firebase/component' {
+  interface NameServiceMapping {
+    'database-compat': FirebaseDatabase;
+  }
+}

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

@@ -0,0 +1,29 @@
+{
+  "name": "@firebase/database-types",
+  "version": "1.0.16",
+  "description": "@firebase/database Types",
+  "author": "Firebase <firebase-support@google.com> (https://firebase.google.com/)",
+  "license": "Apache-2.0",
+  "scripts": {
+    "test": "tsc",
+    "test:ci": "node ../../scripts/run_tests_in_ci.js"
+  },
+  "files": [
+    "index.d.ts"
+  ],
+  "dependencies": {
+    "@firebase/app-types": "0.9.3",
+    "@firebase/util": "1.13.0"
+  },
+  "repository": {
+    "directory": "packages/database-types",
+    "type": "git",
+    "url": "git+https://github.com/firebase/firebase-js-sdk.git"
+  },
+  "bugs": {
+    "url": "https://github.com/firebase/firebase-js-sdk/issues"
+  },
+  "devDependencies": {
+    "typescript": "5.5.4"
+  }
+}

server/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.**