Swift first exception messages (#8295)

* Swift first exception messages

* Review

* Minor edit

* Minor edit 2

Author: ncooke3

FirebaseAppCheck/Sources/Core/FIRAppCheck.m

@@ -174,10 +174,10 @@ + (instancetype)appCheck {
   if (!defaultApp) {
     [NSException raise:FIRAppCheckErrorDomain
                 format:@"The default FirebaseApp instance must be configured before the default"
-                       @"AppCheck instance can be initialized. One way to ensure that is to "
-                       @"call `[FIRApp configure];` (`FirebaseApp.configure()` in Swift) in the App"
-                       @" Delegate's `application:didFinishLaunchingWithOptions:` "
-                       @"(`application(_:didFinishLaunchingWithOptions:)` in Swift)."];
+                       @"AppCheck instance can be initialized. One way to ensure this is to "
+                       @"call `FirebaseApp.configure()` in the App Delegate's "
+                       @"`application(_:didFinishLaunchingWithOptions:)` (or the `@main` struct's "
+                       @"initializer in SwiftUI)."];
   }
   return [self appCheckWithApp:defaultApp];
 }

FirebaseAuth/Sources/Auth/FIRAuth.m

@@ -433,12 +433,13 @@ + (void)initialize {
 + (FIRAuth *)auth {
   FIRApp *defaultApp = [FIRApp defaultApp];
   if (!defaultApp) {
-    [NSException raise:NSInternalInconsistencyException
-                format:@"The default FIRApp instance must be configured before the default FIRAuth"
-                       @"instance can be initialized. One way to ensure that is to call "
-                       @"`[FIRApp configure];` (`FirebaseApp.configure()` in Swift) in the App "
-                       @"Delegate's `application:didFinishLaunchingWithOptions:` "
-                       @"(`application(_:didFinishLaunchingWithOptions:)` in Swift)."];
+    [NSException
+         raise:NSInternalInconsistencyException
+        format:@"The default FirebaseApp instance must be configured before the default Auth"
+               @"instance can be initialized. One way to ensure this is to call "
+               @"`FirebaseApp.configure()` in the App Delegate's "
+               @"`application(_:didFinishLaunchingWithOptions:)` (or the `@main` struct's "
+               @"initializer in SwiftUI)."];
   }
   return [self authWithApp:defaultApp];
 }
@@ -1393,7 +1394,7 @@ - (void)removeAuthStateDidChangeListener:(FIRAuthStateDidChangeListenerHandle)li
 - (FIRIDTokenDidChangeListenerHandle)addIDTokenDidChangeListener:
     (FIRIDTokenDidChangeListenerBlock)listener {
   if (!listener) {
-    [NSException raise:NSInvalidArgumentException format:@"listener must not be nil."];
+    [NSException raise:NSInvalidArgumentException format:@"Listener must not be nil."];
     return nil;
   }
   FIRAuthStateDidChangeListenerHandle handle;

FirebaseCore/Sources/FIRApp.m

@@ -129,7 +129,7 @@ + (void)configure {
   FIROptions *options = [FIROptions defaultOptions];
   if (!options) {
     [NSException raise:kFirebaseCoreErrorDomain
-                format:@"`[FIRApp configure];` (`FirebaseApp.configure()` in Swift) could not find "
+                format:@"`FirebaseApp.configure()` could not find "
                        @"a valid GoogleService-Info.plist in your project. Please download one "
                        @"from %@.",
                        kPlistURL];
@@ -250,8 +250,11 @@ + (FIRApp *)defaultApp {
   }
   FIRLogError(kFIRLoggerCore, @"I-COR000003",
               @"The default Firebase app has not yet been "
-              @"configured. Add `[FIRApp configure];` (`FirebaseApp.configure()` in Swift) to your "
-              @"application initialization. Read more: https://goo.gl/ctyzm8.");
+              @"configured. Add `FirebaseApp.configure()` to your "
+              @"application initialization. This can be done in "
+              @"in the App Delegate's application(_:didFinishLaunchingWithOptions:)` "
+              @"(or the `@main` struct's initializer in SwiftUI). "
+              @"Read more: https://goo.gl/ctyzm8.");
   return nil;
 }
 

FirebaseDatabase/Sources/Api/FIRDatabase.m

@@ -32,12 +32,14 @@ @implementation FIRDatabase
 
 + (FIRDatabase *)database {
     if (![FIRApp isDefaultAppConfigured]) {
-        [NSException raise:@"FIRAppNotConfigured"
-                    format:@"Failed to get default Firebase Database instance. "
-                           @"Must call `[FIRApp "
-                           @"configure]` (`FirebaseApp.configure()` in Swift) "
-                           @"before using "
-                           @"Firebase Database."];
+        [NSException
+             raise:@"FIRAppNotConfigured"
+            format:@"The default FirebaseApp instance must be "
+                   @"configured before the default Database instance "
+                   @"can be initialized. One way to ensure this is to "
+                   @"call `FirebaseApp.configure()` in the App Delegate's "
+                   @"`application(_:didFinishLaunchingWithOptions:)` "
+                   @"(or the `@main` struct's initializer in SwiftUI)."];
     }
     return [FIRDatabase databaseForApp:[FIRApp defaultApp]];
 }

FirebaseInstallations/Source/Library/FIRInstallations.m

@@ -189,10 +189,10 @@ + (FIRInstallations *)installations {
   if (!defaultApp) {
     [NSException raise:kFirebaseInstallationsErrorDomain
                 format:@"The default FirebaseApp instance must be configured before the default"
-                       @"FirebaseApp instance can be initialized. One way to ensure that is to "
-                       @"call `[FIRApp configure];` (`FirebaseApp.configure()` in Swift) in the App"
-                       @" Delegate's `application:didFinishLaunchingWithOptions:` "
-                       @"(`application(_:didFinishLaunchingWithOptions:)` in Swift)."];
+                       @"FirebaseApp instance can be initialized. One way to ensure this is to "
+                       @"call `FirebaseApp.configure()` in the App  Delegate's "
+                       @"`application(_:didFinishLaunchingWithOptions:)` "
+                       @"(or the `@main` struct's initializer in SwiftUI)."];
   }
 
   return [self installationsWithApp:defaultApp];