Add Provider.initialize() (#4595)

* let factory accept options

* add initialize() to Provider

* use provider.initialize in perf

* use provider.initialize in Auth

* use provider.initialize in firestore

* fix errors

* Create clever-apricots-look.md

.changeset/clever-apricots-look.md

@@ -0,0 +1,10 @@
+---
+"@firebase/component": minor
+"@firebase/database": patch
+"@firebase/firestore": patch
+"@firebase/functions": patch
+"@firebase/remote-config": patch
+"@firebase/storage": patch
+---
+
+Component facotry now takes an options object. And added `Provider.initialize()` that can be used to pass an options object to the component factory.

packages-exp/analytics-compat/src/index.ts

@@ -41,16 +41,13 @@ declare module '@firebase/component' {
 }
 
 const factory: InstanceFactory<'analytics-compat'> = (
-  container: ComponentContainer,
-  regionOrCustomDomain?: string
+  container: ComponentContainer
 ) => {
   // Dependencies
   const app = container.getProvider('app-compat').getImmediate();
   const analyticsServiceExp = container
     .getProvider('analytics-exp')
-    .getImmediate({
-      identifier: regionOrCustomDomain
-    });
+    .getImmediate();
 
   return new AnalyticsService(app as FirebaseApp, analyticsServiceExp);
 };

packages-exp/auth-exp/src/core/auth/initialize.ts

@@ -34,8 +34,7 @@ export function initializeAuth(app: FirebaseApp, deps?: Dependencies): Auth {
     _fail(auth, AuthErrorCode.ALREADY_INITIALIZED);
   }
 
-  const auth = provider.getImmediate() as AuthImpl;
-  _initializeAuthInstance(auth, deps);
+  const auth = provider.initialize({ options: deps }) as AuthImpl;
 
   return auth;
 }

packages-exp/auth-exp/src/core/auth/register.ts

@@ -25,6 +25,8 @@ import { _assert } from '../util/assert';
 import { _getClientVersion, ClientPlatform } from '../util/version';
 import { _castAuth, AuthImpl, DefaultConfig } from './auth_impl';
 import { AuthInterop } from './firebase_internal';
+import { Dependencies } from '../../model/auth';
+import { _initializeAuthInstance } from './initialize';
 
 export const enum _ComponentName {
   AUTH = 'auth-exp',
@@ -53,7 +55,7 @@ export function registerAuth(clientPlatform: ClientPlatform): void {
   _registerComponent(
     new Component(
       _ComponentName.AUTH,
-      container => {
+      (container, { options: deps }: { options?: Dependencies }) => {
         const app = container.getProvider('app-exp').getImmediate()!;
         const { apiKey, authDomain } = app.options;
         return (app => {
@@ -66,7 +68,11 @@ export function registerAuth(clientPlatform: ClientPlatform): void {
             apiScheme: DefaultConfig.API_SCHEME,
             sdkClientVersion: _getClientVersion(clientPlatform)
           };
-          return new AuthImpl(app, config);
+
+          const authInstance = new AuthImpl(app, config);
+          _initializeAuthInstance(authInstance, deps);
+
+          return authInstance;
         })(app);
       },
       ComponentType.PUBLIC

packages-exp/functions-exp/src/config.ts

@@ -30,7 +30,7 @@ export const DEFAULT_REGION = 'us-central1';
 export function registerFunctions(fetchImpl: typeof fetch): void {
   const factory: InstanceFactory<'functions'> = (
     container: ComponentContainer,
-    regionOrCustomDomain?: string
+    { instanceIdentifier: regionOrCustomDomain }
   ) => {
     // Dependencies
     const app = container.getProvider('app-exp').getImmediate();

packages-exp/performance-exp/src/index.ts

@@ -70,8 +70,9 @@ export function initializePerformance(
     throw ERROR_FACTORY.create(ErrorCode.ALREADY_INITIALIZED);
   }
 
-  const perfInstance = provider.getImmediate() as PerformanceController;
-  perfInstance._init(settings);
+  const perfInstance = provider.initialize({
+    options: settings
+  }) as PerformanceController;
   return perfInstance;
 }
 
@@ -89,7 +90,8 @@ export function trace(
 }
 
 const factory: InstanceFactory<'performance-exp'> = (
-  container: ComponentContainer
+  container: ComponentContainer,
+  { options: settings }: { options?: PerformanceSettings }
 ) => {
   // Dependencies
   const app = container.getProvider('app-exp').getImmediate();
@@ -104,7 +106,10 @@ const factory: InstanceFactory<'performance-exp'> = (
     throw ERROR_FACTORY.create(ErrorCode.NO_WINDOW);
   }
   setupApi(window);
-  return new PerformanceController(app, installations);
+  const perfInstance = new PerformanceController(app, installations);
+  perfInstance._init(settings);
+
+  return perfInstance;
 };
 
 function registerPerformance(): void {

packages-exp/remote-config-compat/src/index.ts

@@ -19,7 +19,8 @@ import firebase, { _FirebaseNamespace } from '@firebase/app-compat';
 import {
   Component,
   ComponentContainer,
-  ComponentType
+  ComponentType,
+  InstanceFactoryOptions
 } from '@firebase/component';
 import { RemoteConfigCompatImpl } from './remoteConfig';
 import { name as packageName, version } from '../package.json';
@@ -48,7 +49,7 @@ function registerRemoteConfigCompat(
 
 function remoteConfigFactory(
   container: ComponentContainer,
-  namespace?: string
+  { instanceIdentifier: namespace }: InstanceFactoryOptions
 ): RemoteConfigCompatImpl {
   const app = container.getProvider('app-compat').getImmediate();
   // The following call will always succeed because rc `import {...} from '@firebase/remote-config-exp'`

packages-exp/remote-config-exp/src/register.ts

@@ -22,7 +22,8 @@ import {
 import {
   Component,
   ComponentType,
-  ComponentContainer
+  ComponentContainer,
+  InstanceFactoryOptions
 } from '@firebase/component';
 import { Logger, LogLevel as FirebaseLogLevel } from '@firebase/logger';
 import { RemoteConfig } from './public_types';
@@ -53,7 +54,7 @@ export function registerRemoteConfig(): void {
 
   function remoteConfigFactory(
     container: ComponentContainer,
-    namespace?: string
+    { instanceIdentifier: namespace }: InstanceFactoryOptions
   ): RemoteConfig {
     /* Dependencies */
     // getImmediate for FirebaseApp will always succeed

packages/component/index.ts

@@ -23,5 +23,6 @@ export {
   InstanceFactory,
   InstantiationMode,
   NameServiceMapping,
-  Name
+  Name,
+  InstanceFactoryOptions
 } from './src/types';

packages/component/src/provider.test.ts

@@ -101,6 +101,34 @@ describe('Provider', () => {
     expect(() => provider.setComponent(component)).to.not.throw();
   });
 
+  describe('initialize()', () => {
+    it('throws if the provider is already initialized', () => {
+      provider.setComponent(getFakeComponent('test', () => ({})));
+      provider.initialize();
+
+      expect(() => provider.initialize()).to.throw();
+    });
+
+    it('throws if the component has not been registered', () => {
+      expect(() => provider.initialize()).to.throw();
+    });
+
+    it('accepts an options parameter and passes it to the instance factory', () => {
+      const options = {
+        configurable: true,
+        test: true
+      };
+      provider.setComponent(
+        getFakeComponent('test', (_container, opts) => ({
+          options: opts.options
+        }))
+      );
+      const instance = provider.initialize({ options });
+
+      expect((instance as any).options).to.deep.equal(options);
+    });
+  });
+
   describe('Provider (multipleInstances = false)', () => {
     describe('getImmediate()', () => {
       it('throws if the service is not available', () => {
@@ -155,7 +183,7 @@ describe('Provider', () => {
       });
     });
 
-    describe('provideFactory()', () => {
+    describe('setComponent()', () => {
       it('instantiates the service if there is a pending promise and the service is eager', () => {
         // create a pending promise
         // eslint-disable-next-line @typescript-eslint/no-floating-promises
@@ -320,7 +348,7 @@ describe('Provider', () => {
       });
     });
 
-    describe('provideFactory()', () => {
+    describe('setComponent()', () => {
       it('instantiates services for the pending promises for all instance identifiers', async () => {
         /* eslint-disable @typescript-eslint/no-floating-promises */
         // create 3 promises for 3 different identifiers

packages/component/src/provider.ts

@@ -18,7 +18,12 @@
 import { Deferred } from '@firebase/util';
 import { ComponentContainer } from './component_container';
 import { DEFAULT_ENTRY_NAME } from './constants';
-import { InstantiationMode, Name, NameServiceMapping } from './types';
+import {
+  InitializeOptions,
+  InstantiationMode,
+  Name,
+  NameServiceMapping
+} from './types';
 import { Component } from './component';
 
 /**
@@ -51,7 +56,9 @@ export class Provider<T extends Name> {
       this.instancesDeferred.set(normalizedIdentifier, deferred);
       // If the service instance is available, resolve the promise with it immediately
       try {
-        const instance = this.getOrInitializeService(normalizedIdentifier);
+        const instance = this.getOrInitializeService({
+          instanceIdentifier: normalizedIdentifier
+        });
         if (instance) {
           deferred.resolve(instance);
         }
@@ -92,7 +99,9 @@ export class Provider<T extends Name> {
     // if multipleInstances is not supported, use the default name
     const normalizedIdentifier = this.normalizeInstanceIdentifier(identifier);
     try {
-      const instance = this.getOrInitializeService(normalizedIdentifier);
+      const instance = this.getOrInitializeService({
+        instanceIdentifier: normalizedIdentifier
+      });
 
       if (!instance) {
         if (optional) {
@@ -129,7 +138,7 @@ export class Provider<T extends Name> {
     // if the service is eager, initialize the default instance
     if (isComponentEager(component)) {
       try {
-        this.getOrInitializeService(DEFAULT_ENTRY_NAME);
+        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.
@@ -151,7 +160,9 @@ export class Provider<T extends Name> {
 
       try {
         // `getOrInitializeService()` should always return a valid instance since a component is guaranteed. use ! to make typescript happy.
-        const instance = this.getOrInitializeService(normalizedIdentifier)!;
+        const instance = this.getOrInitializeService({
+          instanceIdentifier: normalizedIdentifier
+        })!;
         instanceDeferred.resolve(instance);
       } catch (e) {
         // when the instance factory throws an exception, it should not cause
@@ -190,16 +201,41 @@ export class Provider<T extends Name> {
     return this.instances.has(identifier);
   }
 
-  private getOrInitializeService(
-    identifier: string
-  ): NameServiceMapping[T] | null {
-    let instance = this.instances.get(identifier);
+  initialize(opts: InitializeOptions = {}): NameServiceMapping[T] {
+    const { instanceIdentifier = DEFAULT_ENTRY_NAME, options = {} } = opts;
+    const normalizedIdentifier = this.normalizeInstanceIdentifier(
+      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`);
+    }
+
+    return this.getOrInitializeService({
+      instanceIdentifier: normalizedIdentifier,
+      options
+    })!;
+  }
+
+  private getOrInitializeService({
+    instanceIdentifier,
+    options = {}
+  }: {
+    instanceIdentifier: string;
+    options?: Record<string, unknown>;
+  }): NameServiceMapping[T] | null {
+    let instance = this.instances.get(instanceIdentifier);
     if (!instance && this.component) {
-      instance = this.component.instanceFactory(
-        this.container,
-        normalizeIdentifierForFactory(identifier)
-      ) as NameServiceMapping[T];
-      this.instances.set(identifier, instance);
+      instance = this.component.instanceFactory(this.container, {
+        instanceIdentifier: normalizeIdentifierForFactory(instanceIdentifier),
+        options
+      });
+      this.instances.set(instanceIdentifier, instance);
     }
 
     return instance || null;

packages/component/src/types.ts

@@ -36,6 +36,13 @@ export const enum ComponentType {
   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}
@@ -46,7 +53,7 @@ export const enum ComponentType {
  */
 export type InstanceFactory<T extends Name> = (
   container: ComponentContainer,
-  instanceIdentifier?: string
+  options: InstanceFactoryOptions
 ) => NameServiceMapping[T];
 
 export interface Dictionary {

packages/database/exp/index.ts

@@ -35,7 +35,7 @@ function registerDatabase(): void {
   _registerComponent(
     new Component(
       'database-exp',
-      (container, url) => {
+      (container, { instanceIdentifier: url }) => {
         const app = container.getProvider('app-exp').getImmediate()!;
         const authProvider = container.getProvider('auth-internal');
         return new FirebaseDatabase(app, authProvider, url);

packages/database/index.node.ts

@@ -84,7 +84,7 @@ export function registerDatabase(instance: FirebaseNamespace) {
   const namespace = (instance as _FirebaseNamespace).INTERNAL.registerComponent(
     new Component(
       'database',
-      (container, url) => {
+      (container, { instanceIdentifier: url }) => {
         /* Dependencies */
         // getImmediate for FirebaseApp will always succeed
         const app = container.getProvider('app').getImmediate();

packages/database/index.ts

@@ -44,7 +44,7 @@ export function registerDatabase(instance: FirebaseNamespace) {
   const namespace = (instance as _FirebaseNamespace).INTERNAL.registerComponent(
     new Component(
       'database',
-      (container, url) => {
+      (container, { instanceIdentifier: url }) => {
         /* Dependencies */
         // getImmediate for FirebaseApp will always succeed
         const app = container.getProvider('app').getImmediate();

packages/firestore/exp/register.ts

@@ -20,6 +20,7 @@ import { Component, ComponentType } from '@firebase/component';
 
 import { version } from '../package.json';
 import { FirebaseFirestore } from '../src/exp/database';
+import { Settings } from '../src/exp/settings';
 
 declare module '@firebase/component' {
   interface NameServiceMapping {
@@ -31,12 +32,16 @@ export function registerFirestore(): void {
   _registerComponent(
     new Component(
       'firestore-exp',
-      container => {
+      (container, { options: settings }: { options?: Settings }) => {
         const app = container.getProvider('app-exp').getImmediate()!;
-        return ((app, auth) => new FirebaseFirestore(app, auth))(
+        const firestoreInstance = new FirebaseFirestore(
           app,
           container.getProvider('auth-internal')
         );
+        if (settings) {
+          firestoreInstance._setSettings(settings);
+        }
+        return firestoreInstance;
       },
       ComponentType.PUBLIC
     )