Modules

node_modules/@firebase/component/README.md

@@ -0,0 +1,20 @@
+# @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_
+
+## Installation
+
+You can install this wrapper by running the following in your project:
+
+```bash
+$ npm install @firebase/component
+```
+
+## Usage
+
+**ES Modules**
+
+```javascript
+import { Component } from '@firebase/component';
+```

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

@@ -0,0 +1,315 @@
+'use strict';
+
+Object.defineProperty(exports, '__esModule', { value: true });
+
+var tslib = require('tslib');
+var util = require('@firebase/util');
+
+/**
+ * Component for service name T, e.g. `auth`, `auth-internal`
+ */
+var Component = /** @class */ (function () {
+    /**
+     *
+     * @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
+     */
+    function Component(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" /* LAZY */;
+    }
+    Component.prototype.setInstantiationMode = function (mode) {
+        this.instantiationMode = mode;
+        return this;
+    };
+    Component.prototype.setMultipleInstances = function (multipleInstances) {
+        this.multipleInstances = multipleInstances;
+        return this;
+    };
+    Component.prototype.setServiceProps = function (props) {
+        this.serviceProps = props;
+        return this;
+    };
+    return Component;
+}());
+
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+var DEFAULT_ENTRY_NAME = '[DEFAULT]';
+
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/**
+ * Provider for instance for service name T, e.g. 'auth', 'auth-internal'
+ * NameServiceMapping[T] is an alias for the type of the instance
+ */
+var Provider = /** @class */ (function () {
+    function Provider(name, container) {
+        this.name = name;
+        this.container = container;
+        this.component = null;
+        this.instances = new Map();
+        this.instancesDeferred = new Map();
+    }
+    /**
+     * @param identifier A provider can provide mulitple instances of a service
+     * if this.component.multipleInstances is true.
+     */
+    Provider.prototype.get = function (identifier) {
+        if (identifier === void 0) { identifier = DEFAULT_ENTRY_NAME; }
+        // if multipleInstances is not supported, use the default name
+        var normalizedIdentifier = this.normalizeInstanceIdentifier(identifier);
+        if (!this.instancesDeferred.has(normalizedIdentifier)) {
+            var deferred = new util.Deferred();
+            this.instancesDeferred.set(normalizedIdentifier, deferred);
+            // If the service instance is available, resolve the promise with it immediately
+            try {
+                var instance = this.getOrInitializeService(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;
+    };
+    Provider.prototype.getImmediate = function (options) {
+        var _a = tslib.__assign({ identifier: DEFAULT_ENTRY_NAME, optional: false }, options), identifier = _a.identifier, optional = _a.optional;
+        // if multipleInstances is not supported, use the default name
+        var normalizedIdentifier = this.normalizeInstanceIdentifier(identifier);
+        try {
+            var instance = this.getOrInitializeService(normalizedIdentifier);
+            if (!instance) {
+                if (optional) {
+                    return null;
+                }
+                throw Error("Service " + this.name + " is not available");
+            }
+            return instance;
+        }
+        catch (e) {
+            if (optional) {
+                return null;
+            }
+            else {
+                throw e;
+            }
+        }
+    };
+    Provider.prototype.getComponent = function () {
+        return this.component;
+    };
+    Provider.prototype.setComponent = function (component) {
+        var e_1, _a;
+        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;
+        // if the service is eager, initialize the default instance
+        if (isComponentEager(component)) {
+            try {
+                this.getOrInitializeService(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?
+            }
+        }
+        try {
+            // 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 (var _b = tslib.__values(this.instancesDeferred.entries()), _c = _b.next(); !_c.done; _c = _b.next()) {
+                var _d = tslib.__read(_c.value, 2), instanceIdentifier = _d[0], instanceDeferred = _d[1];
+                var normalizedIdentifier = this.normalizeInstanceIdentifier(instanceIdentifier);
+                try {
+                    // `getOrInitializeService()` should always return a valid instance since a component is guaranteed. use ! to make typescript happy.
+                    var instance = this.getOrInitializeService(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.
+                }
+            }
+        }
+        catch (e_1_1) { e_1 = { error: e_1_1 }; }
+        finally {
+            try {
+                if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
+            }
+            finally { if (e_1) throw e_1.error; }
+        }
+    };
+    Provider.prototype.clearInstance = function (identifier) {
+        if (identifier === void 0) { identifier = DEFAULT_ENTRY_NAME; }
+        this.instancesDeferred.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?
+    Provider.prototype.delete = function () {
+        return tslib.__awaiter(this, void 0, void 0, function () {
+            var services;
+            return tslib.__generator(this, function (_a) {
+                switch (_a.label) {
+                    case 0:
+                        services = Array.from(this.instances.values());
+                        return [4 /*yield*/, Promise.all(services
+                                .filter(function (service) { return 'INTERNAL' in service; })
+                                // eslint-disable-next-line @typescript-eslint/no-explicit-any
+                                .map(function (service) { return service.INTERNAL.delete(); }))];
+                    case 1:
+                        _a.sent();
+                        return [2 /*return*/];
+                }
+            });
+        });
+    };
+    Provider.prototype.isComponentSet = function () {
+        return this.component != null;
+    };
+    Provider.prototype.getOrInitializeService = function (identifier) {
+        var instance = this.instances.get(identifier);
+        if (!instance && this.component) {
+            instance = this.component.instanceFactory(this.container, normalizeIdentifierForFactory(identifier));
+            this.instances.set(identifier, instance);
+        }
+        return instance || null;
+    };
+    Provider.prototype.normalizeInstanceIdentifier = function (identifier) {
+        if (this.component) {
+            return this.component.multipleInstances ? identifier : DEFAULT_ENTRY_NAME;
+        }
+        else {
+            return identifier; // assume multiple instances are supported before the component is provided.
+        }
+    };
+    return Provider;
+}());
+// 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" /* EAGER */;
+}
+
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/**
+ * ComponentContainer that provides Providers for service name T, e.g. `auth`, `auth-internal`
+ */
+var ComponentContainer = /** @class */ (function () {
+    function ComponentContainer(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
+     */
+    ComponentContainer.prototype.addComponent = function (component) {
+        var provider = this.getProvider(component.name);
+        if (provider.isComponentSet()) {
+            throw new Error("Component " + component.name + " has already been registered with " + this.name);
+        }
+        provider.setComponent(component);
+    };
+    ComponentContainer.prototype.addOrOverwriteComponent = function (component) {
+        var 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.
+     */
+    ComponentContainer.prototype.getProvider = function (name) {
+        if (this.providers.has(name)) {
+            return this.providers.get(name);
+        }
+        // create a Provider for a service that hasn't registered with Firebase
+        var provider = new Provider(name, this);
+        this.providers.set(name, provider);
+        return provider;
+    };
+    ComponentContainer.prototype.getProviders = function () {
+        return Array.from(this.providers.values());
+    };
+    return ComponentContainer;
+}());
+
+exports.Component = Component;
+exports.ComponentContainer = ComponentContainer;
+exports.Provider = Provider;
+//# sourceMappingURL=index.cjs.js.map

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

@@ -0,0 +1,20 @@
+/**
+ * @license
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+export { Component } from './src/component';
+export { ComponentContainer } from './src/component_container';
+export { Provider } from './src/provider';
+export { ComponentType, InstanceFactory, InstantiationMode, NameServiceMapping, Name } from './src/types';

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

@@ -0,0 +1,309 @@
+import { __assign, __values, __read, __awaiter, __generator } from 'tslib';
+import { Deferred } from '@firebase/util';
+
+/**
+ * Component for service name T, e.g. `auth`, `auth-internal`
+ */
+var Component = /** @class */ (function () {
+    /**
+     *
+     * @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
+     */
+    function Component(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" /* LAZY */;
+    }
+    Component.prototype.setInstantiationMode = function (mode) {
+        this.instantiationMode = mode;
+        return this;
+    };
+    Component.prototype.setMultipleInstances = function (multipleInstances) {
+        this.multipleInstances = multipleInstances;
+        return this;
+    };
+    Component.prototype.setServiceProps = function (props) {
+        this.serviceProps = props;
+        return this;
+    };
+    return Component;
+}());
+
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+var DEFAULT_ENTRY_NAME = '[DEFAULT]';
+
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/**
+ * Provider for instance for service name T, e.g. 'auth', 'auth-internal'
+ * NameServiceMapping[T] is an alias for the type of the instance
+ */
+var Provider = /** @class */ (function () {
+    function Provider(name, container) {
+        this.name = name;
+        this.container = container;
+        this.component = null;
+        this.instances = new Map();
+        this.instancesDeferred = new Map();
+    }
+    /**
+     * @param identifier A provider can provide mulitple instances of a service
+     * if this.component.multipleInstances is true.
+     */
+    Provider.prototype.get = function (identifier) {
+        if (identifier === void 0) { identifier = DEFAULT_ENTRY_NAME; }
+        // if multipleInstances is not supported, use the default name
+        var normalizedIdentifier = this.normalizeInstanceIdentifier(identifier);
+        if (!this.instancesDeferred.has(normalizedIdentifier)) {
+            var deferred = new Deferred();
+            this.instancesDeferred.set(normalizedIdentifier, deferred);
+            // If the service instance is available, resolve the promise with it immediately
+            try {
+                var instance = this.getOrInitializeService(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;
+    };
+    Provider.prototype.getImmediate = function (options) {
+        var _a = __assign({ identifier: DEFAULT_ENTRY_NAME, optional: false }, options), identifier = _a.identifier, optional = _a.optional;
+        // if multipleInstances is not supported, use the default name
+        var normalizedIdentifier = this.normalizeInstanceIdentifier(identifier);
+        try {
+            var instance = this.getOrInitializeService(normalizedIdentifier);
+            if (!instance) {
+                if (optional) {
+                    return null;
+                }
+                throw Error("Service " + this.name + " is not available");
+            }
+            return instance;
+        }
+        catch (e) {
+            if (optional) {
+                return null;
+            }
+            else {
+                throw e;
+            }
+        }
+    };
+    Provider.prototype.getComponent = function () {
+        return this.component;
+    };
+    Provider.prototype.setComponent = function (component) {
+        var e_1, _a;
+        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;
+        // if the service is eager, initialize the default instance
+        if (isComponentEager(component)) {
+            try {
+                this.getOrInitializeService(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?
+            }
+        }
+        try {
+            // 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 (var _b = __values(this.instancesDeferred.entries()), _c = _b.next(); !_c.done; _c = _b.next()) {
+                var _d = __read(_c.value, 2), instanceIdentifier = _d[0], instanceDeferred = _d[1];
+                var normalizedIdentifier = this.normalizeInstanceIdentifier(instanceIdentifier);
+                try {
+                    // `getOrInitializeService()` should always return a valid instance since a component is guaranteed. use ! to make typescript happy.
+                    var instance = this.getOrInitializeService(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.
+                }
+            }
+        }
+        catch (e_1_1) { e_1 = { error: e_1_1 }; }
+        finally {
+            try {
+                if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
+            }
+            finally { if (e_1) throw e_1.error; }
+        }
+    };
+    Provider.prototype.clearInstance = function (identifier) {
+        if (identifier === void 0) { identifier = DEFAULT_ENTRY_NAME; }
+        this.instancesDeferred.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?
+    Provider.prototype.delete = function () {
+        return __awaiter(this, void 0, void 0, function () {
+            var services;
+            return __generator(this, function (_a) {
+                switch (_a.label) {
+                    case 0:
+                        services = Array.from(this.instances.values());
+                        return [4 /*yield*/, Promise.all(services
+                                .filter(function (service) { return 'INTERNAL' in service; })
+                                // eslint-disable-next-line @typescript-eslint/no-explicit-any
+                                .map(function (service) { return service.INTERNAL.delete(); }))];
+                    case 1:
+                        _a.sent();
+                        return [2 /*return*/];
+                }
+            });
+        });
+    };
+    Provider.prototype.isComponentSet = function () {
+        return this.component != null;
+    };
+    Provider.prototype.getOrInitializeService = function (identifier) {
+        var instance = this.instances.get(identifier);
+        if (!instance && this.component) {
+            instance = this.component.instanceFactory(this.container, normalizeIdentifierForFactory(identifier));
+            this.instances.set(identifier, instance);
+        }
+        return instance || null;
+    };
+    Provider.prototype.normalizeInstanceIdentifier = function (identifier) {
+        if (this.component) {
+            return this.component.multipleInstances ? identifier : DEFAULT_ENTRY_NAME;
+        }
+        else {
+            return identifier; // assume multiple instances are supported before the component is provided.
+        }
+    };
+    return Provider;
+}());
+// 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" /* EAGER */;
+}
+
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/**
+ * ComponentContainer that provides Providers for service name T, e.g. `auth`, `auth-internal`
+ */
+var ComponentContainer = /** @class */ (function () {
+    function ComponentContainer(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
+     */
+    ComponentContainer.prototype.addComponent = function (component) {
+        var provider = this.getProvider(component.name);
+        if (provider.isComponentSet()) {
+            throw new Error("Component " + component.name + " has already been registered with " + this.name);
+        }
+        provider.setComponent(component);
+    };
+    ComponentContainer.prototype.addOrOverwriteComponent = function (component) {
+        var 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.
+     */
+    ComponentContainer.prototype.getProvider = function (name) {
+        if (this.providers.has(name)) {
+            return this.providers.get(name);
+        }
+        // create a Provider for a service that hasn't registered with Firebase
+        var provider = new Provider(name, this);
+        this.providers.set(name, provider);
+        return provider;
+    };
+    ComponentContainer.prototype.getProviders = function () {
+        return Array.from(this.providers.values());
+    };
+    return ComponentContainer;
+}());
+
+export { Component, ComponentContainer, Provider };
+//# sourceMappingURL=index.esm.js.map

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

@@ -0,0 +1,281 @@
+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" /* LAZY */;
+    }
+    setInstantiationMode(mode) {
+        this.instantiationMode = mode;
+        return this;
+    }
+    setMultipleInstances(multipleInstances) {
+        this.multipleInstances = multipleInstances;
+        return this;
+    }
+    setServiceProps(props) {
+        this.serviceProps = props;
+        return this;
+    }
+}
+
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+const DEFAULT_ENTRY_NAME = '[DEFAULT]';
+
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/**
+ * 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();
+    }
+    /**
+     * @param identifier A provider can provide mulitple instances of a service
+     * if this.component.multipleInstances is true.
+     */
+    get(identifier = DEFAULT_ENTRY_NAME) {
+        // 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 the service instance is available, resolve the promise with it immediately
+            try {
+                const instance = this.getOrInitializeService(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) {
+        const { identifier, optional } = Object.assign({ identifier: DEFAULT_ENTRY_NAME, optional: false }, options);
+        // if multipleInstances is not supported, use the default name
+        const normalizedIdentifier = this.normalizeInstanceIdentifier(identifier);
+        try {
+            const instance = this.getOrInitializeService(normalizedIdentifier);
+            if (!instance) {
+                if (optional) {
+                    return null;
+                }
+                throw Error(`Service ${this.name} is not available`);
+            }
+            return instance;
+        }
+        catch (e) {
+            if (optional) {
+                return null;
+            }
+            else {
+                throw e;
+            }
+        }
+    }
+    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;
+        // if the service is eager, initialize the default instance
+        if (isComponentEager(component)) {
+            try {
+                this.getOrInitializeService(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(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.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)
+            // eslint-disable-next-line @typescript-eslint/no-explicit-any
+            .map(service => service.INTERNAL.delete()));
+    }
+    isComponentSet() {
+        return this.component != null;
+    }
+    getOrInitializeService(identifier) {
+        let instance = this.instances.get(identifier);
+        if (!instance && this.component) {
+            instance = this.component.instanceFactory(this.container, normalizeIdentifierForFactory(identifier));
+            this.instances.set(identifier, instance);
+        }
+        return instance || null;
+    }
+    normalizeInstanceIdentifier(identifier) {
+        if (this.component) {
+            return this.component.multipleInstances ? identifier : DEFAULT_ENTRY_NAME;
+        }
+        else {
+            return identifier; // assume multiple instances are supported before the component is provided.
+        }
+    }
+}
+// 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" /* EAGER */;
+}
+
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/**
+ * 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.esm2017.js.map

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

@@ -0,0 +1,41 @@
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { InstantiationMode, InstanceFactory, ComponentType, Dictionary, Name } 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;
+    /**
+     *
+     * @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;
+}

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

@@ -0,0 +1,47 @@
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { 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>>;
+}

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

@@ -0,0 +1,24 @@
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import '../test/setup';
+declare module './types' {
+    interface NameServiceMapping {
+        rocket: {};
+        ship: {};
+        fireball: {};
+    }
+}

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

@@ -0,0 +1,17 @@
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+export declare const DEFAULT_ENTRY_NAME = "[DEFAULT]";

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

@@ -0,0 +1,59 @@
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { ComponentContainer } from './component_container';
+import { Name, NameServiceMapping } 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;
+    constructor(name: T, container: ComponentContainer);
+    /**
+     * @param identifier A provider can provide mulitple instances of a service
+     * if this.component.multipleInstances is true.
+     */
+    get(identifier?: string): Promise<NameServiceMapping[T]>;
+    /**
+     *
+     * @param options.identifier A provider can provide mulitple 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;
+    private getOrInitializeService;
+    private normalizeInstanceIdentifier;
+}

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

@@ -0,0 +1,23 @@
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import '../test/setup';
+declare module './types' {
+    interface NameServiceMapping {
+        test: {};
+        badtest: {};
+    }
+}

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

@@ -0,0 +1,54 @@
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { ComponentContainer } from './component_container';
+export declare const enum InstantiationMode {
+    LAZY = "LAZY",
+    EAGER = "EAGER"
+}
+/**
+ * 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 serivce 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"
+}
+/**
+ * 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 declare type InstanceFactory<T extends Name> = (container: ComponentContainer, instanceIdentifier?: string) => NameServiceMapping[T];
+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 declare type Name = keyof NameServiceMapping;
+export declare type Service = NameServiceMapping[Name];

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

@@ -0,0 +1,17 @@
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+export {};

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>;

node_modules/@firebase/component/package.json

@@ -0,0 +1,89 @@
+{
+  "_from": "@firebase/component@0.1.4",
+  "_id": "@firebase/component@0.1.4",
+  "_inBundle": false,
+  "_integrity": "sha512-k3JZFUyHnSWC/7v+x+pIHLDNJPYA6xd7nqrQASOXH5TXhCR9meg0VsnJb+knD18491iRMKJnQWNSHdqPK9AX5w==",
+  "_location": "/@firebase/component",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "version",
+    "registry": true,
+    "raw": "@firebase/component@0.1.4",
+    "name": "@firebase/component",
+    "escapedName": "@firebase%2fcomponent",
+    "scope": "@firebase",
+    "rawSpec": "0.1.4",
+    "saveSpec": null,
+    "fetchSpec": "0.1.4"
+  },
+  "_requiredBy": [
+    "/@firebase/analytics",
+    "/@firebase/app",
+    "/@firebase/database",
+    "/@firebase/firestore",
+    "/@firebase/functions",
+    "/@firebase/installations",
+    "/@firebase/messaging",
+    "/@firebase/performance",
+    "/@firebase/remote-config",
+    "/@firebase/storage"
+  ],
+  "_resolved": "https://registry.npmjs.org/@firebase/component/-/component-0.1.4.tgz",
+  "_shasum": "ed348a3e2997918b1c4ea13103b7b3e216c12ab9",
+  "_spec": "@firebase/component@0.1.4",
+  "_where": "C:\\Users\\matia\\Documents\\GitHub\\Musix-V3\\node_modules\\@firebase\\analytics",
+  "author": {
+    "name": "Firebase",
+    "email": "firebase-support@google.com",
+    "url": "https://firebase.google.com/"
+  },
+  "browser": "dist/index.cjs.js",
+  "bugs": {
+    "url": "https://github.com/firebase/firebase-js-sdk/issues"
+  },
+  "bundleDependencies": false,
+  "dependencies": {
+    "@firebase/util": "0.2.39",
+    "tslib": "1.10.0"
+  },
+  "deprecated": false,
+  "description": "Firebase Component Platform",
+  "devDependencies": {
+    "rollup": "1.28.0",
+    "rollup-plugin-typescript2": "0.25.3",
+    "typescript": "3.7.3"
+  },
+  "esm2017": "dist/index.esm2017.js",
+  "files": [
+    "dist"
+  ],
+  "homepage": "https://github.com/firebase/firebase-js-sdk#readme",
+  "license": "Apache-2.0",
+  "main": "dist/index.cjs.js",
+  "module": "dist/index.esm.js",
+  "name": "@firebase/component",
+  "nyc": {
+    "extension": [
+      ".ts"
+    ],
+    "reportDir": "./coverage/node"
+  },
+  "repository": {
+    "directory": "packages/component",
+    "type": "git",
+    "url": "git+https://github.com/firebase/firebase-js-sdk.git"
+  },
+  "scripts": {
+    "build": "rollup -c",
+    "dev": "rollup -c -w",
+    "lint": "eslint -c .eslintrc.js '**/*.ts' --ignore-path '../../.gitignore'",
+    "lint:fix": "eslint --fix -c .eslintrc.js '**/*.ts' --ignore-path '../../.gitignore'",
+    "prepare": "yarn build",
+    "test": "yarn type-check && run-p lint test:browser test:node",
+    "test:browser": "karma start --single-run",
+    "test:node": "TS_NODE_COMPILER_OPTIONS='{\"module\":\"commonjs\"}' nyc --reporter lcovonly -- mocha src/**/*.test.ts --opts ../../config/mocha.node.opts",
+    "type-check": "tsc -p . --noEmit"
+  },
+  "typings": "dist/index.d.ts",
+  "version": "0.1.4"
+}