version bump

Fix compound indexes for dynamic models

CoreStore.podspec

@@ -1,7 +1,7 @@
 Pod::Spec.new do |s|
     s.name = "CoreStore"
-    s.version = "7.3.1"
-    s.swift_version = "5.3"
+    s.version = "8.1.0"
+    s.swift_version = "5.5"
     s.license = "MIT"
     s.homepage = "https://github.com/JohnEstropia/CoreStore"
     s.documentation_url = "https://JohnEstropia.github.io/CoreStore"
@@ -9,10 +9,10 @@ Pod::Spec.new do |s|
     s.author = { "John Rommel Estropia" => "rommel.estropia@gmail.com" }
     s.source = { :git => "https://github.com/JohnEstropia/CoreStore.git", :tag => s.version.to_s }
 
-    s.ios.deployment_target = "10.0"
-    s.osx.deployment_target = "10.12"
-    s.watchos.deployment_target = "3.0"
-    s.tvos.deployment_target = "10.0"
+    s.ios.deployment_target = "11.0"
+    s.osx.deployment_target = "10.13"
+    s.watchos.deployment_target = "4.0"
+    s.tvos.deployment_target = "11.0"
 
     s.source_files = "Sources", "Sources/**/*.{swift,h,m}"
     s.public_header_files = "Sources/**/*.h"

CoreStore.xcodeproj/xcshareddata/xcschemes/CoreStore OSX.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1200"
+   LastUpgradeVersion = "1300"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"

CoreStore.xcodeproj/xcshareddata/xcschemes/CoreStore iOS.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1200"
+   LastUpgradeVersion = "1300"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"

CoreStore.xcodeproj/xcshareddata/xcschemes/CoreStore tvOS.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1200"
+   LastUpgradeVersion = "1300"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"

CoreStore.xcodeproj/xcshareddata/xcschemes/CoreStore watchOS.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1200"
+   LastUpgradeVersion = "1300"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"

CoreStore.xcworkspace/contents.xcworkspacedata

@@ -7,7 +7,4 @@
    <FileRef
       location = "group:CoreStore.xcodeproj">
    </FileRef>
-   <FileRef
-      location = "group:LegacyDemo/LegacyDemo.xcodeproj">
-   </FileRef>
 </Workspace>

CoreStoreTests/BridgingTests.h

@@ -1,30 +0,0 @@
-//
-//  BridgingTests.h
-//  CoreStore
-//
-//  Copyright © 2018 John Rommel Estropia
-//
-//  Permission is hereby granted, free of charge, to any person obtaining a copy
-//  of this software and associated documentation files (the "Software"), to deal
-//  in the Software without restriction, including without limitation the rights
-//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-//  copies of the Software, and to permit persons to whom the Software is
-//  furnished to do so, subject to the following conditions:
-//
-//  The above copyright notice and this permission notice shall be included in all
-//  copies or substantial portions of the Software.
-//
-//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-//  SOFTWARE.
-//
-
-#import <XCTest/XCTest.h>
-
-@interface BridgingTests : XCTestCase
-
-@end

CoreStoreTests/BridgingTests.m

@@ -1,269 +0,0 @@
-//
-//  BridgingTests.m
-//  CoreStore
-//
-//  Copyright © 2018 John Rommel Estropia
-//
-//  Permission is hereby granted, free of charge, to any person obtaining a copy
-//  of this software and associated documentation files (the "Software"), to deal
-//  in the Software without restriction, including without limitation the rights
-//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-//  copies of the Software, and to permit persons to whom the Software is
-//  furnished to do so, subject to the following conditions:
-//
-//  The above copyright notice and this permission notice shall be included in all
-//  copies or substantial portions of the Software.
-//
-//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-//  SOFTWARE.
-//
-
-#import "BridgingTests.h"
-#import <CoreStore/CoreStore.h>
-#import <CoreStore/CoreStore-Swift.h>
-#import "CoreStoreTests-Swift.h"
-
-@import CoreData;
-
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wdeprecated-declarations"
-
-
-// MARK: - BridgingTests
-
-@implementation BridgingTests
-
-- (void)test_ThatFlags_HaveCorrectValues {
-    
-    XCTAssertEqual(CSLocalStorageOptionsNone, 0);
-    XCTAssertEqual(CSLocalStorageOptionsRecreateStoreOnModelMismatch, 1);
-    XCTAssertEqual(CSLocalStorageOptionsPreventProgressiveMigration, 2);
-    XCTAssertEqual(CSLocalStorageOptionsAllowSynchronousLightweightMigration, 4);
-}
-
-- (void)test_ThatKeyPaths_AreCorrect {
-    
-    XCTAssertEqualObjects(CSKeyPath(TestEntity1, testNumber), @"testNumber");
-    XCTAssertEqualObjects(CSKeyPath(TestEntity1, testString), @"testString");
-    XCTAssertEqualObjects(CSKeyPathOperator(count, TestEntity1, testString), @"@count.testString");
-    XCTAssertEqualObjects(CSKeyPathOperator(max, TestEntity1, testNumber), @"@max.testNumber");
-}
-
-- (void)test_ThatFromClauses_BridgeCorrectly {
-    
-    {
-        CSFrom *from = CSFromClass([TestEntity1 class]);
-        XCTAssertEqualObjects(from.entityClass, [TestEntity1 class]);
-        XCTAssertNil(from.configurations);
-    }
-    {
-        CSFrom *from = CSFromClass([TestEntity1 class], [NSNull null]);
-        XCTAssertEqualObjects(from.entityClass, [TestEntity1 class]);
-        
-        NSArray *configurations = @[[NSNull null]];
-        XCTAssertEqualObjects(from.configurations, configurations);
-    }
-    {
-        CSFrom *from = CSFromClass([TestEntity1 class], @"Config1");
-        XCTAssertEqualObjects(from.entityClass, [TestEntity1 class]);
-        
-        NSArray *configurations = @[@"Config1"];
-        XCTAssertEqualObjects(from.configurations, configurations);
-    }
-    {
-        CSFrom *from = CSFromClass([TestEntity1 class], @[[NSNull null], @"Config2"]);
-        XCTAssertEqualObjects(from.entityClass, [TestEntity1 class]);
-        
-        NSArray *configurations = @[[NSNull null], @"Config2"];
-        XCTAssertEqualObjects(from.configurations, configurations);
-    }
-}
-
-- (void)test_ThatWhereClauses_BridgeCorrectly {
-    
-    {
-        CSWhere *where = CSWhereFormat(@"%K == %@", @"key", @"value");
-        NSPredicate *predicate = [NSPredicate predicateWithFormat:@"%K == %@", @"key", @"value"];
-        XCTAssertEqualObjects(where.predicate, predicate);
-    }
-    {
-        CSWhere *where = CSWhereValue(YES);
-        NSPredicate *predicate = [NSPredicate predicateWithValue:YES];
-        XCTAssertEqualObjects(where.predicate, predicate);
-    }
-    {
-        CSWhere *where = CSWherePredicate([NSPredicate predicateWithFormat:@"%K == %@", @"key", @"value"]);
-        NSPredicate *predicate = [NSPredicate predicateWithFormat:@"%K == %@", @"key", @"value"];
-        XCTAssertEqualObjects(where.predicate, predicate);
-    }
-}
-
-- (void)test_ThatOrderByClauses_BridgeCorrectly {
-    
-    {
-        CSOrderBy *orderBy = CSOrderByKey(CSSortAscending(@"key"));
-        XCTAssertEqualObjects(orderBy.sortDescriptors, @[[NSSortDescriptor sortDescriptorWithKey:@"key" ascending:YES]]);
-    }
-    {
-        CSOrderBy *orderBy = CSOrderByKey(CSSortDescending(@"key"));
-        XCTAssertEqualObjects(orderBy.sortDescriptors, @[[NSSortDescriptor sortDescriptorWithKey:@"key" ascending:NO]]);
-    }
-    {
-        CSOrderBy *orderBy = CSOrderByKeys(CSSortAscending(@"key1"), CSSortDescending(@"key2"), nil);
-        NSArray *sortDescriptors = @[[NSSortDescriptor sortDescriptorWithKey:@"key1" ascending:YES],
-                                     [NSSortDescriptor sortDescriptorWithKey:@"key2" ascending:NO]];
-        XCTAssertEqualObjects(orderBy.sortDescriptors, sortDescriptors);
-    }
-}
-
-- (void)test_ThatGroupByClauses_BridgeCorrectly {
-    
-    {
-        CSGroupBy *groupBy = CSGroupByKeyPath(@"key");
-        XCTAssertEqualObjects(groupBy.keyPaths, @[@"key"]);
-    }
-    {
-        CSGroupBy *groupBy = CSGroupByKeyPaths(@[@"key1", @"key2"]);
-        
-        NSArray *keyPaths = @[@"key1", @"key2"];
-        XCTAssertEqualObjects(groupBy.keyPaths, keyPaths);
-    }
-}
-
-- (void)test_ThatTweakClauses_BridgeCorrectly {
-    
-    CSTweak *tweak = CSTweakRequest(^(NSFetchRequest * _Nonnull fetchRequest) {
-        
-        fetchRequest.fetchLimit = 100;
-    });
-    NSFetchRequest *request = [NSFetchRequest new];
-    tweak.block(request);
-    XCTAssertEqual(request.fetchLimit, 100);
-}
-
-- (void)test_ThatIntoClauses_BridgeCorrectly {
-    
-    {
-        CSInto *into = CSIntoClass([TestEntity1 class]);
-        XCTAssertEqualObjects(into.entityClass, [TestEntity1 class]);
-    }
-    {
-        CSInto *into = CSIntoClass([TestEntity1 class], [NSNull null]);
-        XCTAssertEqualObjects(into.entityClass, [TestEntity1 class]);
-        XCTAssertNil(into.configuration);
-    }
-    {
-        CSInto *into = CSIntoClass([TestEntity1 class], @"Config1");
-        XCTAssertEqualObjects(into.entityClass, [TestEntity1 class]);
-        XCTAssertEqualObjects(into.configuration, @"Config1");
-    }
-}
-
-- (void)test_ThatDataStacks_BridgeCorrectly {
-    
-    CSDataStack *dataStack = [[CSDataStack alloc]
-                              initWithXcodeModelName:@"Model"
-                              bundle:[NSBundle bundleForClass:[self class]]
-                              versionChain:nil];
-    XCTAssertNotNil(dataStack);
-    
-    NSError *memoryError;
-    CSInMemoryStore *memoryStorage = [dataStack
-                                      addInMemoryStorageAndWait:[CSInMemoryStore new]
-                                      error:&memoryError];
-    XCTAssertNotNil(memoryStorage);
-    XCTAssertEqualObjects([[memoryStorage class] storeType], [CSInMemoryStore storeType]);
-    XCTAssertEqualObjects([[memoryStorage class] storeType], NSInMemoryStoreType);
-    XCTAssertNil(memoryStorage.configuration);
-    XCTAssertNil(memoryStorage.storeOptions);
-    XCTAssertNil(memoryError);
-    
-    NSError *sqliteError;
-    CSSQLiteStore *sqliteStorage = [dataStack
-                                    addSQLiteStorageAndWait:[CSSQLiteStore new]
-                                    error:&sqliteError];
-    XCTAssertNotNil(sqliteStorage);
-    XCTAssertEqualObjects([[sqliteStorage class] storeType], [CSSQLiteStore storeType]);
-    XCTAssertEqualObjects([[sqliteStorage class] storeType], NSSQLiteStoreType);
-    XCTAssertNil(sqliteStorage.configuration);
-    NSDictionary *storeOptions;
-    if (@available(iOS 11.0, macOS 10.13, tvOS 11.0, *)) {
-        
-        storeOptions = @{ NSSQLitePragmasOption: @{ @"journal_mode": @"WAL" },
-                          NSBinaryStoreInsecureDecodingCompatibilityOption: @YES };
-    }
-    else {
-        
-        storeOptions = @{ NSSQLitePragmasOption: @{ @"journal_mode": @"WAL" }};
-    }
-    XCTAssertEqualObjects(sqliteStorage.storeOptions, storeOptions);
-    XCTAssertNil(sqliteError);
-}
-
-- (void)test_ThatTransactions_BridgeCorrectly {
-
-    CSDataStack *dataStack = [[CSDataStack alloc]
-                              initWithXcodeModelName:@"Model"
-                              bundle:[NSBundle bundleForClass:[self class]]
-                              versionChain:nil];
-    XCTAssertNotNil(dataStack);
-
-    [dataStack
-     addInMemoryStorageAndWait:[CSInMemoryStore new]
-     error:nil];
-    
-    {
-        CSUnsafeDataTransaction *transaction = [dataStack beginUnsafe];
-        XCTAssertNotNil(transaction);
-        XCTAssert([transaction isKindOfClass:[CSUnsafeDataTransaction class]]);
-        NSError *error;
-        BOOL result = [transaction commitAndWaitWithError:&error];
-        XCTAssertTrue(result);
-        XCTAssertNil(error);
-    }
-    {
-        XCTestExpectation *expectation = [self expectationWithDescription:@"sync"];
-        NSError *error;
-        BOOL result =
-        [dataStack
-         beginSynchronous:^(CSSynchronousDataTransaction * _Nonnull transaction) {
-
-            XCTAssertNotNil(transaction);
-            XCTAssert([transaction isKindOfClass:[CSSynchronousDataTransaction class]]);
-            NSError *error;
-            XCTAssertTrue([transaction commitAndWaitWithError:&error]);
-            XCTAssertNil(error);
-            [expectation fulfill];
-        }
-         error:&error];
-        XCTAssertTrue(result);
-        XCTAssertNil(error);
-    }
-    {
-        XCTestExpectation *expectation = [self expectationWithDescription:@"async"];
-        [dataStack beginAsynchronous:^(CSAsynchronousDataTransaction * _Nonnull transaction) {
-            
-            XCTAssertNotNil(transaction);
-            XCTAssert([transaction isKindOfClass:[CSAsynchronousDataTransaction class]]);
-            [transaction
-             commitWithSuccess:^{
-                 
-                 [expectation fulfill];
-             }
-             failure:^(CSError *error){
-                 
-                 XCTFail();
-             }];
-        }];
-    }
-    [self waitForExpectationsWithTimeout:10 handler:nil];
-}
-
-@end
-
-#pragma clang diagnostic pop

CoreStoreTests/ConvenienceTests.swift

@@ -23,13 +23,15 @@
 //  SOFTWARE.
 //
 
+import CoreData
+import XCTest
+
 @testable
 import CoreStore
 
 
 // MARK: - ConvenienceTests
 
-@available(macOS 10.12, *)
 class ConvenienceTests: BaseTestCase {
     
     @objc

CoreStoreTests/CoreStoreTests-Bridging-Header.h

@@ -1,5 +0,0 @@
-//
-//  Use this file to import your target's public headers that you would like to expose to Swift.
-//
-
-#import "BridgingTests.h"

CoreStoreTests/DynamicModelTests.swift

@@ -197,7 +197,7 @@ class DynamicModelTests: BaseTestDataTestCase {
                 modelVersion: "V1",
                 entities: [
                     Entity<Animal>("Animal"),
-                    Entity<Dog>("Dog"),
+                    Entity<Dog>("Dog", indexes: [[\Dog.$nickname, \Dog.$age]]),
                     Entity<Person>("Person")
                 ],
                 versionLock: [

CoreStoreTests/ErrorTests.swift

@@ -31,7 +31,6 @@ import CoreStore
 
 // MARK: - ErrorTests
 
-@available(*, deprecated, message: "CoreStore Objective-C API will be removed soon.")
 final class ErrorTests: XCTestCase {
 
     @objc
@@ -43,14 +42,12 @@ final class ErrorTests: XCTestCase {
         
         let userInfo: NSDictionary = [:]
         
-        let objcError = error.bridgeToObjectiveC
-        XCTAssertEqual(error, objcError.bridgeToSwift)
+        let objcError = error as NSError
         XCTAssertEqual(objcError.domain, CoreStoreErrorDomain)
         XCTAssertEqual(objcError.code, CoreStoreErrorCode.unknownError.rawValue)
         XCTAssertEqual(objcError.userInfo as NSDictionary, userInfo)
         
-        let objcError2 = objcError.bridgeToSwift.bridgeToObjectiveC
-        XCTAssertEqual(error, objcError2.bridgeToSwift)
+        let objcError2 = CoreStoreError(objcError) as NSError
         XCTAssertEqual(objcError2.domain, CoreStoreErrorDomain)
         XCTAssertEqual(objcError2.code, CoreStoreErrorCode.unknownError.rawValue)
         XCTAssertEqual(objcError2.userInfo as NSDictionary, userInfo)
@@ -68,14 +65,12 @@ final class ErrorTests: XCTestCase {
         let userInfo: NSDictionary = [
             "existingPersistentStoreURL": dummyURL
         ]
-        let objcError = error.bridgeToObjectiveC
-        XCTAssertEqual(error, objcError.bridgeToSwift)
+        let objcError = error as NSError
         XCTAssertEqual(objcError.domain, CoreStoreErrorDomain)
         XCTAssertEqual(objcError.code, CoreStoreErrorCode.differentStorageExistsAtURL.rawValue)
         XCTAssertEqual(objcError.userInfo as NSDictionary, userInfo)
-        
-        let objcError2 = objcError.bridgeToSwift.bridgeToObjectiveC
-        XCTAssertEqual(error, objcError2.bridgeToSwift)
+
+        let objcError2 = CoreStoreError(objcError) as NSError
         XCTAssertEqual(objcError2.domain, CoreStoreErrorDomain)
         XCTAssertEqual(objcError2.code, CoreStoreErrorCode.differentStorageExistsAtURL.rawValue)
         XCTAssertEqual(objcError2.userInfo as NSDictionary, userInfo)
@@ -103,14 +98,12 @@ final class ErrorTests: XCTestCase {
             "targetModel": schemaHistory.rawModel,
             "targetModelVersion": version
         ]
-        let objcError = error.bridgeToObjectiveC
-        XCTAssertEqual(error, objcError.bridgeToSwift)
+        let objcError = error as NSError
         XCTAssertEqual(objcError.domain, CoreStoreErrorDomain)
         XCTAssertEqual(objcError.code, CoreStoreErrorCode.mappingModelNotFound.rawValue)
         XCTAssertEqual(objcError.userInfo as NSDictionary, userInfo)
-        
-        let objcError2 = objcError.bridgeToSwift.bridgeToObjectiveC
-        XCTAssertEqual(error, objcError2.bridgeToSwift)
+
+        let objcError2 = CoreStoreError(objcError) as NSError
         XCTAssertEqual(objcError2.domain, CoreStoreErrorDomain)
         XCTAssertEqual(objcError2.code, CoreStoreErrorCode.mappingModelNotFound.rawValue)
         XCTAssertEqual(objcError2.userInfo as NSDictionary, userInfo)
@@ -128,14 +121,12 @@ final class ErrorTests: XCTestCase {
         let userInfo: NSDictionary = [
             "localStoreURL": dummyURL
         ]
-        let objcError = error.bridgeToObjectiveC
-        XCTAssertEqual(error, objcError.bridgeToSwift)
+        let objcError = error as NSError
         XCTAssertEqual(objcError.domain, CoreStoreErrorDomain)
         XCTAssertEqual(objcError.code, CoreStoreErrorCode.progressiveMigrationRequired.rawValue)
         XCTAssertEqual(objcError.userInfo as NSDictionary, userInfo)
-        
-        let objcError2 = objcError.bridgeToSwift.bridgeToObjectiveC
-        XCTAssertEqual(error, objcError2.bridgeToSwift)
+
+        let objcError2 = CoreStoreError(objcError) as NSError
         XCTAssertEqual(objcError2.domain, CoreStoreErrorDomain)
         XCTAssertEqual(objcError2.code, CoreStoreErrorCode.progressiveMigrationRequired.rawValue)
         XCTAssertEqual(objcError2.userInfo as NSDictionary, userInfo)
@@ -160,14 +151,12 @@ final class ErrorTests: XCTestCase {
         let userInfo: NSDictionary = [
             "NSError": internalError
         ]
-        let objcError = error.bridgeToObjectiveC
-        XCTAssertEqual(error, objcError.bridgeToSwift)
+        let objcError = error as NSError
         XCTAssertEqual(objcError.domain, CoreStoreErrorDomain)
         XCTAssertEqual(objcError.code, CoreStoreErrorCode.internalError.rawValue)
         XCTAssertEqual(objcError.userInfo as NSDictionary, userInfo)
-        
-        let objcError2 = objcError.bridgeToSwift.bridgeToObjectiveC
-        XCTAssertEqual(error, objcError2.bridgeToSwift)
+
+        let objcError2 = CoreStoreError(objcError) as NSError
         XCTAssertEqual(objcError2.domain, CoreStoreErrorDomain)
         XCTAssertEqual(objcError2.code, CoreStoreErrorCode.internalError.rawValue)
         XCTAssertEqual(objcError2.userInfo as NSDictionary, userInfo)

CoreStoreTests/FromTests.swift

@@ -23,6 +23,7 @@
 //  SOFTWARE.
 //
 
+import CoreData
 import XCTest
 
 @testable

CoreStoreTests/GroupByTests.swift

@@ -23,6 +23,7 @@
 //  SOFTWARE.
 //
 
+import CoreData
 import XCTest
 
 @testable

CoreStoreTests/IntoTests.swift

@@ -23,6 +23,7 @@
 //  SOFTWARE.
 //
 
+import CoreData
 import XCTest
 
 @testable
@@ -125,15 +126,4 @@ final class IntoTests: XCTestCase {
             XCTAssertNotEqual(into, Into<TestEntity1>("Config2"))
         }
     }
-    
-    @objc
-    dynamic func test_ThatIntoClauses_BridgeCorrectly() {
-        
-        do {
-            
-            let into = Into<NSManagedObject>()
-            let objcInto = into.bridgeToObjectiveC
-            XCTAssertEqual(into, objcInto.bridgeToSwift)
-        }
-    }
 }

CoreStoreTests/ListObserverTests.swift

@@ -23,6 +23,7 @@
 //  SOFTWARE.
 //
 
+import CoreData
 import XCTest
 
 @testable
@@ -31,7 +32,6 @@ import CoreStore
 
 // MARK: - ListObserverTests
 
-@available(macOS 10.12, *)
 class ListObserverTests: BaseTestDataTestCase {
     
     @objc
@@ -551,7 +551,6 @@ class ListObserverTests: BaseTestDataTestCase {
 
 // MARK: TestListObserver
 
-@available(macOS 10.12, *)
 class TestListObserver: ListSectionObserver {
     
     // MARK: ListObserver

CoreStoreTests/ObjectObserverTests.swift

@@ -31,7 +31,6 @@ import CoreStore
 
 // MARK: - ObjectObserverTests
 
-@available(macOS 10.12, *)
 class ObjectObserverTests: BaseTestDataTestCase {
     
     @objc
@@ -203,7 +202,6 @@ class ObjectObserverTests: BaseTestDataTestCase {
 
 // MARK: TestObjectObserver
 
-@available(macOS 10.12, *)
 class TestObjectObserver: ObjectObserver {
     
     typealias ObjectEntityType = TestEntity1

CoreStoreTests/ObjectPublisherTests.swift

@@ -31,7 +31,6 @@ import CoreStore
 
 // MARK: - ObjectPublisherTests
 
-@available(macOS 10.12, *)
 class ObjectPublisherTests: BaseTestDataTestCase {
 
     @objc

CoreStoreTests/OrderByTests.swift

@@ -23,6 +23,7 @@
 //  SOFTWARE.
 //
 
+import CoreData
 import XCTest
 
 @testable

CoreStoreTests/QueryTests.swift

@@ -23,6 +23,7 @@
 //  SOFTWARE.
 //
 
+import CoreData
 import XCTest
 
 @testable

CoreStoreTests/SectionByTests.swift

@@ -23,6 +23,7 @@
 //  SOFTWARE.
 //
 
+import CoreData
 import XCTest
 
 @testable
@@ -31,7 +32,6 @@ import CoreStore
 
 //MARK: - SectionByTests
 
-@available(macOS 10.12, *)
 final class SectionByTests: XCTestCase {
     
     @objc
@@ -41,11 +41,14 @@ final class SectionByTests: XCTestCase {
             
             let sectionBy = SectionBy<NSManagedObject>("key")
             XCTAssertEqual(sectionBy.sectionKeyPath, "key")
-            XCTAssertEqual(sectionBy.sectionIndexTransformer("key"), "key")
+            XCTAssertNil(sectionBy.sectionIndexTransformer("key"))
         }
         do {
             
-            let sectionBy = SectionBy<NSManagedObject>("key") { $0.flatMap { "\($0):suffix" } }
+            let sectionBy = SectionBy<NSManagedObject>(
+                "key",
+                sectionIndexTransformer: { $0.flatMap { "\($0):suffix" } }
+            )
             XCTAssertEqual(sectionBy.sectionKeyPath, "key")
             XCTAssertEqual(sectionBy.sectionIndexTransformer("key"), "key:suffix")
             XCTAssertNil(sectionBy.sectionIndexTransformer(nil))

CoreStoreTests/SelectTests.swift

@@ -23,6 +23,7 @@
 //  SOFTWARE.
 //
 
+import CoreData
 import XCTest
 
 @testable

CoreStoreTests/SetupTests.swift

@@ -23,6 +23,9 @@
 //  SOFTWARE.
 //
 
+import CoreData
+import XCTest
+
 @testable
 import CoreStore
 

CoreStoreTests/StorageInterfaceTests.swift

@@ -23,6 +23,7 @@
 //  SOFTWARE.
 //
 
+import CoreData
 import XCTest
 
 @testable
@@ -83,21 +84,11 @@ final class StorageInterfaceTests: XCTestCase {
         let store = SQLiteStore()
         XCTAssertEqual(type(of: store).storeType, NSSQLiteStoreType)
         XCTAssertNil(store.configuration)
-        if #available(iOS 11.0, macOS 10.13, tvOS 11.0, *) {
-            
-            XCTAssertEqual(
-                store.storeOptions as NSDictionary?,
-                [NSSQLitePragmasOption: ["journal_mode": "WAL"],
-                 NSBinaryStoreInsecureDecodingCompatibilityOption: true] as NSDictionary
-            )
-        }
-        else {
-            
-            XCTAssertEqual(
-                store.storeOptions as NSDictionary?,
-                [NSSQLitePragmasOption: ["journal_mode": "WAL"]] as NSDictionary
-            )
-        }
+        XCTAssertEqual(
+            store.storeOptions as NSDictionary?,
+            [NSSQLitePragmasOption: ["journal_mode": "WAL"],
+             NSBinaryStoreInsecureDecodingCompatibilityOption: true] as NSDictionary
+        )
         
         XCTAssertEqual(store.fileURL, SQLiteStore.defaultFileURL)
         XCTAssertTrue(store.migrationMappingProviders.isEmpty)
@@ -123,21 +114,11 @@ final class StorageInterfaceTests: XCTestCase {
         )
         XCTAssertEqual(type(of: store).storeType, NSSQLiteStoreType)
         XCTAssertEqual(store.configuration, "config1")
-        if #available(iOS 11.0, macOS 10.13, tvOS 11.0, *) {
-            
-            XCTAssertEqual(
-                store.storeOptions as NSDictionary?,
-                [NSSQLitePragmasOption: ["journal_mode": "WAL"],
-                 NSBinaryStoreInsecureDecodingCompatibilityOption: true] as NSDictionary
-            )
-        }
-        else {
-            
-            XCTAssertEqual(
-                store.storeOptions as NSDictionary?,
-                [NSSQLitePragmasOption: ["journal_mode": "WAL"]] as NSDictionary
-            )
-        }
+        XCTAssertEqual(
+            store.storeOptions as NSDictionary?,
+            [NSSQLitePragmasOption: ["journal_mode": "WAL"],
+             NSBinaryStoreInsecureDecodingCompatibilityOption: true] as NSDictionary
+        )
         
         XCTAssertEqual(store.fileURL, fileURL)
         XCTAssertEqual(store.migrationMappingProviders as! [XcodeSchemaMappingProvider], [mappingProvider])
@@ -160,21 +141,11 @@ final class StorageInterfaceTests: XCTestCase {
         )
         XCTAssertEqual(type(of: store).storeType, NSSQLiteStoreType)
         XCTAssertEqual(store.configuration, "config1")
-        if #available(iOS 11.0, macOS 10.13, tvOS 11.0, *) {
-            
-            XCTAssertEqual(
-                store.storeOptions as NSDictionary?,
-                [NSSQLitePragmasOption: ["journal_mode": "WAL"],
-                 NSBinaryStoreInsecureDecodingCompatibilityOption: true] as NSDictionary
-            )
-        }
-        else {
-            
-            XCTAssertEqual(
-                store.storeOptions as NSDictionary?,
-                [NSSQLitePragmasOption: ["journal_mode": "WAL"]] as NSDictionary
-            )
-        }
+        XCTAssertEqual(
+            store.storeOptions as NSDictionary?,
+            [NSSQLitePragmasOption: ["journal_mode": "WAL"],
+             NSBinaryStoreInsecureDecodingCompatibilityOption: true] as NSDictionary
+        )
         
         XCTAssertEqual(store.fileURL.deletingLastPathComponent(), SQLiteStore.defaultRootDirectory)
         XCTAssertEqual(store.fileURL.lastPathComponent, fileName)
@@ -209,21 +180,11 @@ final class StorageInterfaceTests: XCTestCase {
         let store = SQLiteStore.legacy()
         XCTAssertEqual(type(of: store).storeType, NSSQLiteStoreType)
         XCTAssertNil(store.configuration)
-        if #available(iOS 11.0, macOS 10.13, tvOS 11.0, *) {
-            
-            XCTAssertEqual(
-                store.storeOptions as NSDictionary?,
-                [NSSQLitePragmasOption: ["journal_mode": "WAL"],
-                 NSBinaryStoreInsecureDecodingCompatibilityOption: true] as NSDictionary
-            )
-        }
-        else {
-            
-            XCTAssertEqual(
-                store.storeOptions as NSDictionary?,
-                [NSSQLitePragmasOption: ["journal_mode": "WAL"]] as NSDictionary
-            )
-        }
+        XCTAssertEqual(
+            store.storeOptions as NSDictionary?,
+            [NSSQLitePragmasOption: ["journal_mode": "WAL"],
+             NSBinaryStoreInsecureDecodingCompatibilityOption: true] as NSDictionary
+        )
         
         XCTAssertEqual(store.fileURL, SQLiteStore.legacyDefaultFileURL)
         XCTAssertTrue(store.migrationMappingProviders.isEmpty)
@@ -246,21 +207,11 @@ final class StorageInterfaceTests: XCTestCase {
         )
         XCTAssertEqual(type(of: store).storeType, NSSQLiteStoreType)
         XCTAssertEqual(store.configuration, "config1")
-        if #available(iOS 11.0, macOS 10.13, tvOS 11.0, *) {
-            
-            XCTAssertEqual(
-                store.storeOptions as NSDictionary?,
-                [NSSQLitePragmasOption: ["journal_mode": "WAL"],
-                 NSBinaryStoreInsecureDecodingCompatibilityOption: true] as NSDictionary
-            )
-        }
-        else {
-            
-            XCTAssertEqual(
-                store.storeOptions as NSDictionary?,
-                [NSSQLitePragmasOption: ["journal_mode": "WAL"]] as NSDictionary
-            )
-        }
+        XCTAssertEqual(
+            store.storeOptions as NSDictionary?,
+            [NSSQLitePragmasOption: ["journal_mode": "WAL"],
+             NSBinaryStoreInsecureDecodingCompatibilityOption: true] as NSDictionary
+        )
         
         XCTAssertEqual(store.fileURL.deletingLastPathComponent(), SQLiteStore.legacyDefaultRootDirectory)
         XCTAssertEqual(store.fileURL.lastPathComponent, fileName)

CoreStoreTests/TransactionTests.swift

@@ -383,8 +383,6 @@ final class TransactionTests: BaseTestCase {
         }
     }
     
-    
-    @available(macOS 10.12, *)
     @objc
     dynamic func test_ThatSynchronousTransactions_CanCommitWithoutWaitingForMerges() {
         

CoreStoreTests/TweakTests.swift

@@ -23,6 +23,7 @@
 //  SOFTWARE.
 //
 
+import CoreData
 import XCTest
 
 @testable

CoreStoreTests/WhereTests.swift

@@ -23,6 +23,7 @@
 //  SOFTWARE.
 //
 
+import CoreData
 import XCTest
 
 @testable

Demo/Demo.xcodeproj/project.pbxproj

@@ -15,9 +15,9 @@
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 		B54D2F7E25119DCE004BEC7D /* Advanced.EvolutionDemo.V1.FromV2.xcmappingmodel in Sources */ = {isa = PBXBuildFile; fileRef = B54D2F7D25119DCE004BEC7D /* Advanced.EvolutionDemo.V1.FromV2.xcmappingmodel */; };
 		B54D2F852511B70B004BEC7D /* Advanced.EvolutionDemo.CreaturesDataSource.swift in Sources */ = {isa = PBXBuildFile; fileRef = B54D2F842511B70B004BEC7D /* Advanced.EvolutionDemo.CreaturesDataSource.swift */; };
-		B566C8E824F9D406001134A1 /* Modern.PokedexDemo.ListView.swift in Sources */ = {isa = PBXBuildFile; fileRef = B566C8E724F9D406001134A1 /* Modern.PokedexDemo.ListView.swift */; };
-		B566C8EA24F9D412001134A1 /* Modern.PokedexDemo.ListViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = B566C8E924F9D412001134A1 /* Modern.PokedexDemo.ListViewController.swift */; };
-		B566C8EC24F9D694001134A1 /* Modern.PokedexDemo.ItemCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = B566C8EB24F9D694001134A1 /* Modern.PokedexDemo.ItemCell.swift */; };
+		B566C8E824F9D406001134A1 /* Modern.PokedexDemo.UIKit.ListView.swift in Sources */ = {isa = PBXBuildFile; fileRef = B566C8E724F9D406001134A1 /* Modern.PokedexDemo.UIKit.ListView.swift */; };
+		B566C8EA24F9D412001134A1 /* Modern.PokedexDemo.UIKit.ListViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = B566C8E924F9D412001134A1 /* Modern.PokedexDemo.UIKit.ListViewController.swift */; };
+		B566C8EC24F9D694001134A1 /* Modern.PokedexDemo.UIKit.ItemCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = B566C8EB24F9D694001134A1 /* Modern.PokedexDemo.UIKit.ItemCell.swift */; };
 		B566C8EE24FA1EA3001134A1 /* Modern.PokedexDemo.Details.swift in Sources */ = {isa = PBXBuildFile; fileRef = B566C8ED24FA1EA3001134A1 /* Modern.PokedexDemo.Details.swift */; };
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@@ -41,12 +41,6 @@
 		B5A3916524E698C700E7E8BD /* Modern.PlacemarksDemo.Place.swift in Sources */ = {isa = PBXBuildFile; fileRef = B5A3916424E698C700E7E8BD /* Modern.PlacemarksDemo.Place.swift */; };
 		B5A3916B24E698F900E7E8BD /* CoreStore.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = B5A3916724E698F900E7E8BD /* CoreStore.framework */; };
 		B5A3916C24E698F900E7E8BD /* CoreStore.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = B5A3916724E698F900E7E8BD /* CoreStore.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
-		B5A3916D24E698F900E7E8BD /* CoreStore.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = B5A3916824E698F900E7E8BD /* CoreStore.framework */; };
-		B5A3916E24E698F900E7E8BD /* CoreStore.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = B5A3916824E698F900E7E8BD /* CoreStore.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
-		B5A3916F24E698F900E7E8BD /* CoreStore.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = B5A3916924E698F900E7E8BD /* CoreStore.framework */; };
-		B5A3917024E698F900E7E8BD /* CoreStore.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = B5A3916924E698F900E7E8BD /* CoreStore.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
-		B5A3917124E698F900E7E8BD /* CoreStore.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = B5A3916A24E698F900E7E8BD /* CoreStore.framework */; };
-		B5A3917224E698F900E7E8BD /* CoreStore.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = B5A3916A24E698F900E7E8BD /* CoreStore.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
 		B5A3917524E6990200E7E8BD /* MapKit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = B5A3917424E6990200E7E8BD /* MapKit.framework */; };
 		B5A3917724E6990700E7E8BD /* CoreLocation.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = B5A3917624E6990700E7E8BD /* CoreLocation.framework */; };
 		B5A3917924E6991600E7E8BD /* SwiftUI.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = B5A3917824E6991600E7E8BD /* SwiftUI.framework */; };
@@ -68,7 +62,7 @@
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 		B5A391A424E8F04300E7E8BD /* Modern.ColorsDemo.UIKit.ListView.swift in Sources */ = {isa = PBXBuildFile; fileRef = B5A391A324E8F04300E7E8BD /* Modern.ColorsDemo.UIKit.ListView.swift */; };
-		B5A391A624E8F4EA00E7E8BD /* ⭐️Modern.ColorsDemo.MainView.swift in Sources */ = {isa = PBXBuildFile; fileRef = B5A391A524E8F4EA00E7E8BD /* ⭐️Modern.ColorsDemo.MainView.swift */; };
+		B5A391A624E8F4EA00E7E8BD /* Modern.ColorsDemo.MainView.swift in Sources */ = {isa = PBXBuildFile; fileRef = B5A391A524E8F4EA00E7E8BD /* Modern.ColorsDemo.MainView.swift */; };
 		B5A391AA24E9104300E7E8BD /* Modern.ColorsDemo.UIKit.ItemCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = B5A391A924E9104300E7E8BD /* Modern.ColorsDemo.UIKit.ItemCell.swift */; };
 		B5A391AC24E9143B00E7E8BD /* Modern.ColorsDemo.UIKit.DetailView.swift in Sources */ = {isa = PBXBuildFile; fileRef = B5A391AB24E9143B00E7E8BD /* Modern.ColorsDemo.UIKit.DetailView.swift */; };
 		B5A391AE24E9150F00E7E8BD /* ⭐️Modern.ColorsDemo.UIKit.DetailViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = B5A391AD24E9150F00E7E8BD /* ⭐️Modern.ColorsDemo.UIKit.DetailViewController.swift */; };
@@ -97,6 +91,7 @@
 		B5A5440B25049492000DC5E3 /* Advanced.EvolutionDemo.V3.Creature.swift in Sources */ = {isa = PBXBuildFile; fileRef = B5A5440A25049492000DC5E3 /* Advanced.EvolutionDemo.V3.Creature.swift */; };
 		B5A5440D2504949C000DC5E3 /* Advanced.EvolutionDemo.V4.Creature.swift in Sources */ = {isa = PBXBuildFile; fileRef = B5A5440C2504949C000DC5E3 /* Advanced.EvolutionDemo.V4.Creature.swift */; };
 		B5C18F3325138700001BEFB3 /* Advanced.EvolutionDemo.ProgressView.swift in Sources */ = {isa = PBXBuildFile; fileRef = B5C18F3225138700001BEFB3 /* Advanced.EvolutionDemo.ProgressView.swift */; };
+		B5C795B625D8EE2B00BDACC1 /* Modern.PokedexDemo.UIKit.swift in Sources */ = {isa = PBXBuildFile; fileRef = B5C795B525D8EE2B00BDACC1 /* Modern.PokedexDemo.UIKit.swift */; };
 		B5D6F1F8250E07FD00DF5D2F /* Advanced.EvolutionDemo.V1.swift in Sources */ = {isa = PBXBuildFile; fileRef = B5D6F1F7250E07FD00DF5D2F /* Advanced.EvolutionDemo.V1.swift */; };
 		B5D6F1FC250E0B1700DF5D2F /* Advanced.EvolutionDemo.V2.swift in Sources */ = {isa = PBXBuildFile; fileRef = B5D6F1FB250E0B1700DF5D2F /* Advanced.EvolutionDemo.V2.swift */; };
 		B5D6F1FE250E0B3F00DF5D2F /* Advanced.EvolutionDemo.GeologicalPeriod.swift in Sources */ = {isa = PBXBuildFile; fileRef = B5D6F1FD250E0B3F00DF5D2F /* Advanced.EvolutionDemo.GeologicalPeriod.swift */; };
@@ -115,9 +110,6 @@
 			dstSubfolderSpec = 10;
 			files = (
 				B5A3916C24E698F900E7E8BD /* CoreStore.framework in Embed Frameworks */,
-				B5A3917224E698F900E7E8BD /* CoreStore.framework in Embed Frameworks */,
-				B5A3917024E698F900E7E8BD /* CoreStore.framework in Embed Frameworks */,
-				B5A3916E24E698F900E7E8BD /* CoreStore.framework in Embed Frameworks */,
 			);
 			name = "Embed Frameworks";
 			runOnlyForDeploymentPostprocessing = 0;
@@ -133,9 +125,9 @@
 		B54D2F7B251196B6004BEC7D /* Advanced.EvolutionDemo.V2.FromV1MigrationPolicy.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Advanced.EvolutionDemo.V2.FromV1MigrationPolicy.swift; sourceTree = "<group>"; };
 		B54D2F7D25119DCE004BEC7D /* Advanced.EvolutionDemo.V1.FromV2.xcmappingmodel */ = {isa = PBXFileReference; lastKnownFileType = wrapper.xcmappingmodel; path = Advanced.EvolutionDemo.V1.FromV2.xcmappingmodel; sourceTree = "<group>"; };
 		B54D2F842511B70B004BEC7D /* Advanced.EvolutionDemo.CreaturesDataSource.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Advanced.EvolutionDemo.CreaturesDataSource.swift; sourceTree = "<group>"; };
-		B566C8E724F9D406001134A1 /* Modern.PokedexDemo.ListView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Modern.PokedexDemo.ListView.swift; sourceTree = "<group>"; };
-		B566C8E924F9D412001134A1 /* Modern.PokedexDemo.ListViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Modern.PokedexDemo.ListViewController.swift; sourceTree = "<group>"; };
-		B566C8EB24F9D694001134A1 /* Modern.PokedexDemo.ItemCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Modern.PokedexDemo.ItemCell.swift; sourceTree = "<group>"; };
+		B566C8E724F9D406001134A1 /* Modern.PokedexDemo.UIKit.ListView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Modern.PokedexDemo.UIKit.ListView.swift; sourceTree = "<group>"; };
+		B566C8E924F9D412001134A1 /* Modern.PokedexDemo.UIKit.ListViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Modern.PokedexDemo.UIKit.ListViewController.swift; sourceTree = "<group>"; };
+		B566C8EB24F9D694001134A1 /* Modern.PokedexDemo.UIKit.ItemCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Modern.PokedexDemo.UIKit.ItemCell.swift; sourceTree = "<group>"; };
 		B566C8ED24FA1EA3001134A1 /* Modern.PokedexDemo.Details.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Modern.PokedexDemo.Details.swift; sourceTree = "<group>"; };
 		B5931B4125124756007DA58E /* Advanced.EvolutionDemo.V1.FromV2.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Advanced.EvolutionDemo.V1.FromV2.swift; sourceTree = "<group>"; };
 		B5931B432512480A007DA58E /* Advanced.EvolutionDemo.V2.FromV1.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Advanced.EvolutionDemo.V2.FromV1.swift; sourceTree = "<group>"; };
@@ -185,7 +177,7 @@
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 		B5A391A124E8F01F00E7E8BD /* ⭐️Modern.ColorsDemo.UIKit.ListViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "⭐️Modern.ColorsDemo.UIKit.ListViewController.swift"; sourceTree = "<group>"; };
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-		B5A391A524E8F4EA00E7E8BD /* ⭐️Modern.ColorsDemo.MainView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "⭐️Modern.ColorsDemo.MainView.swift"; sourceTree = "<group>"; };
+		B5A391A524E8F4EA00E7E8BD /* Modern.ColorsDemo.MainView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Modern.ColorsDemo.MainView.swift; sourceTree = "<group>"; };
 		B5A391A924E9104300E7E8BD /* Modern.ColorsDemo.UIKit.ItemCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Modern.ColorsDemo.UIKit.ItemCell.swift; sourceTree = "<group>"; };
 		B5A391AB24E9143B00E7E8BD /* Modern.ColorsDemo.UIKit.DetailView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Modern.ColorsDemo.UIKit.DetailView.swift; sourceTree = "<group>"; };
 		B5A391AD24E9150F00E7E8BD /* ⭐️Modern.ColorsDemo.UIKit.DetailViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "⭐️Modern.ColorsDemo.UIKit.DetailViewController.swift"; sourceTree = "<group>"; };
@@ -214,6 +206,7 @@
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 		B5C18F3225138700001BEFB3 /* Advanced.EvolutionDemo.ProgressView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Advanced.EvolutionDemo.ProgressView.swift; sourceTree = "<group>"; };
+		B5C795B525D8EE2B00BDACC1 /* Modern.PokedexDemo.UIKit.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Modern.PokedexDemo.UIKit.swift; sourceTree = "<group>"; };
 		B5D6F1F7250E07FD00DF5D2F /* Advanced.EvolutionDemo.V1.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Advanced.EvolutionDemo.V1.swift; sourceTree = "<group>"; };
 		B5D6F1FB250E0B1700DF5D2F /* Advanced.EvolutionDemo.V2.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Advanced.EvolutionDemo.V2.swift; sourceTree = "<group>"; };
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@@ -232,11 +225,8 @@
 			files = (
 				B5A3917724E6990700E7E8BD /* CoreLocation.framework in Frameworks */,
 				B5A3916B24E698F900E7E8BD /* CoreStore.framework in Frameworks */,
-				B5A3917124E698F900E7E8BD /* CoreStore.framework in Frameworks */,
 				B5A3917924E6991600E7E8BD /* SwiftUI.framework in Frameworks */,
 				B5A3917524E6990200E7E8BD /* MapKit.framework in Frameworks */,
-				B5A3916F24E698F900E7E8BD /* CoreStore.framework in Frameworks */,
-				B5A3916D24E698F900E7E8BD /* CoreStore.framework in Frameworks */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -412,7 +402,7 @@
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 				B5A3918E24E7E06500E7E8BD /* Modern.ColorsDemo.swift */,
 				B5A3919724E7E67000E7E8BD /* Modern.ColorsDemo.Filter.swift */,
-				B5A391A524E8F4EA00E7E8BD /* ⭐️Modern.ColorsDemo.MainView.swift */,
+				B5A391A524E8F4EA00E7E8BD /* Modern.ColorsDemo.MainView.swift */,
 				B5A3919C24E8EE9000E7E8BD /* ⭐️UIKit */,
 				B5A3919B24E8EE8100E7E8BD /* ⭐️SwiftUI */,
 				B5A3919024E7E0B000E7E8BD /* Models */,
@@ -458,9 +448,7 @@
 				B5A391B024E96AF600E7E8BD /* Modern.PokedexDemo.swift */,
 				B531EFEA24EB5ECD005F247D /* ⭐️Modern.PokedexDemo.Service.swift */,
 				B531EFEC24EB7453005F247D /* Modern.PokedexDemo.MainView.swift */,
-				B566C8E724F9D406001134A1 /* Modern.PokedexDemo.ListView.swift */,
-				B566C8E924F9D412001134A1 /* Modern.PokedexDemo.ListViewController.swift */,
-				B566C8EB24F9D694001134A1 /* Modern.PokedexDemo.ItemCell.swift */,
+				B5C795B425D8EE1A00BDACC1 /* ⭐️UIKit */,
 				B5A391B224E96B7400E7E8BD /* ⭐️Models */,
 			);
 			path = "⭐️PokedexDemo";
@@ -549,6 +537,17 @@
 			name = Models;
 			sourceTree = "<group>";
 		};
+		B5C795B425D8EE1A00BDACC1 /* ⭐️UIKit */ = {
+			isa = PBXGroup;
+			children = (
+				B5C795B525D8EE2B00BDACC1 /* Modern.PokedexDemo.UIKit.swift */,
+				B566C8E724F9D406001134A1 /* Modern.PokedexDemo.UIKit.ListView.swift */,
+				B566C8E924F9D412001134A1 /* Modern.PokedexDemo.UIKit.ListViewController.swift */,
+				B566C8EB24F9D694001134A1 /* Modern.PokedexDemo.UIKit.ItemCell.swift */,
+			);
+			name = "⭐️UIKit";
+			sourceTree = "<group>";
+		};
 		B5D6F1F9250E08D200DF5D2F /* V1 */ = {
 			isa = PBXGroup;
 			children = (
@@ -622,7 +621,7 @@
 			isa = PBXProject;
 			attributes = {
 				LastSwiftUpdateCheck = 1160;
-				LastUpgradeCheck = 1200;
+				LastUpgradeCheck = 1300;
 				TargetAttributes = {
 					B5A3911824E5429200E7E8BD = {
 						CreatedOnToolsVersion = 11.6;
@@ -704,6 +703,7 @@
 				B5A543ED24FB84BE000DC5E3 /* Classic.ColorsDemo.MainView.swift in Sources */,
 				B5A543DD24FB78F9000DC5E3 /* Classic.ColorsDemo.Palette.swift in Sources */,
 				B5A3919824E7E67000E7E8BD /* Modern.ColorsDemo.Filter.swift in Sources */,
+				B5C795B625D8EE2B00BDACC1 /* Modern.PokedexDemo.UIKit.swift in Sources */,
 				B5A3919224E7E0C600E7E8BD /* Modern.ColorsDemo.Palette.swift in Sources */,
 				B5A3919E24E8EEB600E7E8BD /* Modern.ColorsDemo.SwiftUI.swift in Sources */,
 				B5A391A024E8F00A00E7E8BD /* Modern.ColorsDemo.UIKit.swift in Sources */,
@@ -711,16 +711,16 @@
 				B5A3916024E6925900E7E8BD /* Modern.PlacemarksDemo.MapView.swift in Sources */,
 				B5A3916524E698C700E7E8BD /* Modern.PlacemarksDemo.Place.swift in Sources */,
 				B566C8EE24FA1EA3001134A1 /* Modern.PokedexDemo.Details.swift in Sources */,
-				B566C8EC24F9D694001134A1 /* Modern.PokedexDemo.ItemCell.swift in Sources */,
-				B566C8E824F9D406001134A1 /* Modern.PokedexDemo.ListView.swift in Sources */,
-				B566C8EA24F9D412001134A1 /* Modern.PokedexDemo.ListViewController.swift in Sources */,
+				B566C8EC24F9D694001134A1 /* Modern.PokedexDemo.UIKit.ItemCell.swift in Sources */,
+				B566C8E824F9D406001134A1 /* Modern.PokedexDemo.UIKit.ListView.swift in Sources */,
+				B566C8EA24F9D412001134A1 /* Modern.PokedexDemo.UIKit.ListViewController.swift in Sources */,
 				B531EFED24EB7453005F247D /* Modern.PokedexDemo.MainView.swift in Sources */,
 				B5A3918C24E7B44B00E7E8BD /* Modern.TimeZonesDemo.ItemView.swift in Sources */,
 				B5A3918A24E7AD1800E7E8BD /* Modern.TimeZonesDemo.ListView.swift in Sources */,
 				B5A3918624E7A54A00E7E8BD /* Modern.TimeZonesDemo.TimeZone.swift in Sources */,
 				B5A543EB24FB84AF000DC5E3 /* ⭐️Classic.ColorsDemo.DetailViewController.swift in Sources */,
 				B5A543F124FB84DD000DC5E3 /* ⭐️Classic.ColorsDemo.ListViewController.swift in Sources */,
-				B5A391A624E8F4EA00E7E8BD /* ⭐️Modern.ColorsDemo.MainView.swift in Sources */,
+				B5A391A624E8F4EA00E7E8BD /* Modern.ColorsDemo.MainView.swift in Sources */,
 				B5A3916224E697BA00E7E8BD /* ⭐️Modern.PlacemarksDemo.MainView.swift in Sources */,
 				B5A391B424E96C0A00E7E8BD /* ⭐️Modern.PokedexDemo.Form.swift in Sources */,
 				B531EFE924EB5A53005F247D /* ⭐️Modern.PokedexDemo.PokedexEntry.swift in Sources */,
@@ -797,6 +797,7 @@
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
 				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
+				ONLY_ACTIVE_ARCH = YES;
 			};
 			name = Debug;
 		};

Demo/Demo.xcodeproj/xcshareddata/xcschemes/Demo.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1200"
+   LastUpgradeVersion = "1300"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"

Demo/⭐️Sources/Helpers/InstructionsView.swift

@@ -20,8 +20,8 @@ struct InstructionsView: View {
     
     var body: some View {
         ZStack(alignment: .center) {
-            Color.white
-                .cornerRadius(10)
+            RoundedRectangle(cornerRadius: 10, style: .continuous)
+                .fill(Color.white)
                 .shadow(color: Color(.sRGB, white: 0.5, opacity: 0.3), radius: 2, x: 1, y: 1)
             VStack(alignment: .leading, spacing: 3) {
                 ForEach(self.rows, id: \.header) { row in

Demo/⭐️Sources/Helpers/Menu/Menu.MainView.swift

@@ -73,7 +73,9 @@ extension Menu {
                             title: "Pokedex API",
                             subtitle: "Importing JSON data from external source",
                             destination: {
-                                Modern.PokedexDemo.MainView()
+                                Modern.PokedexDemo.MainView(
+                                    listView: Modern.PokedexDemo.UIKit.ListView.init
+                                )
                             }
                         )
                     }

Demo/⭐️Sources/⭐️Demos/⭐️Advanced/⭐️EvolutionDemo/Advanced.EvolutionDemo.ProgressView.swift

@@ -45,17 +45,16 @@ extension Advanced.EvolutionDemo {
                         .padding(.horizontal)
                     GeometryReader { geometry in
                         ZStack(alignment: .leading) {
-                            Color.gray
-                                .opacity(0.2)
+                            RoundedRectangle(cornerRadius: 4, style: .continuous)
+                                .fill(Color.gray.opacity(0.2))
                                 .frame(width: geometry.size.width, height: 8)
-                                .cornerRadius(4.0)
-                            Color.blue
+                            RoundedRectangle(cornerRadius: 4, style: .continuous)
+                                .fill(Color.blue)
                                 .frame(
                                     width: geometry.size.width
                                         * self.progressObserver.fractionCompleted,
                                     height: 8
                                 )
-                                .cornerRadius(4.0)
                         }
                     }
                     .fixedSize(horizontal: false, vertical: true)

Demo/⭐️Sources/⭐️Demos/⭐️Classic/⭐️ColorsDemo/Classic.ColorsDemo.xcdatamodeld/ColorsDemo.xcdatamodel/contents

@@ -1,12 +1,15 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<model type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="16119" systemVersion="19F101" minimumToolsVersion="Automatic" sourceLanguage="Swift" userDefinedModelVersionIdentifier="">
+<model type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="17709" systemVersion="20C5048l" minimumToolsVersion="Automatic" sourceLanguage="Swift" userDefinedModelVersionIdentifier="">
     <entity name="Palette" representedClassName="Classic_ColorsDemo_Palette" syncable="YES">
         <attribute name="brightness" attributeType="Float" defaultValueString="0.0" usesScalarValueType="YES"/>
         <attribute name="colorGroup" optional="YES" transient="YES" attributeType="String"/>
         <attribute name="hue" attributeType="Float" defaultValueString="0.0" usesScalarValueType="YES"/>
         <attribute name="saturation" attributeType="Float" defaultValueString="0.0" usesScalarValueType="YES"/>
+        <fetchedProperty name="testFetchProperty" optional="YES">
+            <fetchRequest name="fetchedPropertyFetchRequest" entity="Palette"/>
+        </fetchedProperty>
     </entity>
     <elements>
-        <element name="Palette" positionX="-63" positionY="-18" width="128" height="103"/>
+        <element name="Palette" positionX="-63" positionY="-18" width="128" height="110"/>
     </elements>
 </model>

Demo/⭐️Sources/⭐️Demos/⭐️Modern/⭐️ColorsDemo/Modern.ColorsDemo.MainView.swift

@@ -13,12 +13,6 @@ extension Modern.ColorsDemo {
 
     struct MainView<ListView: View, DetailView: View>: View {
         
-        /**
-         ⭐️ Sample 1: Setting a sectioned `ListPublisher` declared as an `@ObservedObject`
-         */
-        @ObservedObject
-        private var listPublisher: ListPublisher<Modern.ColorsDemo.Palette>
-        
         // MARK: Internal
         
         init(
@@ -30,38 +24,24 @@ extension Modern.ColorsDemo {
             
             self.listView = listView
             self.detailView = detailView
-            self.listPublisher = Modern.ColorsDemo.palettesPublisher
-            self._filter = Binding(
-                get: { Modern.ColorsDemo.filter },
-                set: { Modern.ColorsDemo.filter = $0 }
-            )
         }
         
         
         // MARK: View
         
         var body: some View {
-            let detailView: AnyView
-            if let selectedPalette = self.selectedPalette {
-                
-                detailView = AnyView(
-                    self.detailView(selectedPalette)
-                )
-            }
-            else {
-                
-                detailView = AnyView(EmptyView())
-            }
-            let listPublisher = self.listPublisher
             return VStack(spacing: 0) {
-                self.listView(listPublisher, { self.selectedPalette = $0 })
+                self.listView(self.$palettes, { self.selectedPalette = $0 })
                     .navigationBarTitle(
-                        Text("Colors (\(listPublisher.snapshot.numberOfItems) objects)")
+                        Text("Colors (\(self.palettes.count) objects)")
                     )
                     .frame(minHeight: 0, maxHeight: .infinity)
-                detailView
-                    .edgesIgnoringSafeArea(.all)
-                    .frame(minHeight: 0, maxHeight: .infinity)
+                self.selectedPalette.map {
+                    
+                    self.detailView($0)
+                        .edgesIgnoringSafeArea(.all)
+                        .frame(minHeight: 0, maxHeight: .infinity)
+                }
             }
             .navigationBarItems(
                 leading: HStack {
@@ -91,6 +71,9 @@ extension Modern.ColorsDemo {
         
         // MARK: Private
         
+        @ListState(Modern.ColorsDemo.palettesPublisher)
+        private var palettes: ListSnapshot
+        
         private let listView: (
             _ listPublisher: ListPublisher<Modern.ColorsDemo.Palette>,
             _ onPaletteTapped: @escaping (ObjectPublisher<Modern.ColorsDemo.Palette>) -> Void
@@ -103,12 +86,13 @@ extension Modern.ColorsDemo {
         @State
         private var selectedPalette: ObjectPublisher<Modern.ColorsDemo.Palette>?
         
-        @Binding
-        private var filter: Modern.ColorsDemo.Filter
+        @State
+        private var filter: Modern.ColorsDemo.Filter = Modern.ColorsDemo.filter
         
         private func changeFilter() {
             
             Modern.ColorsDemo.filter = Modern.ColorsDemo.filter.next()
+            self.filter = Modern.ColorsDemo.filter
         }
         
         private func clearColors() {
@@ -118,6 +102,7 @@ extension Modern.ColorsDemo {
 
                     try transaction.deleteAll(From<Modern.ColorsDemo.Palette>())
                 },
+                sourceIdentifier: TransactionSource.clear,
                 completion: { _ in }
             )
         }
@@ -129,6 +114,7 @@ extension Modern.ColorsDemo {
 
                     _ = transaction.create(Into<Modern.ColorsDemo.Palette>())
                 },
+                sourceIdentifier: TransactionSource.add,
                 completion: { _ in }
             )
         }
@@ -143,6 +129,7 @@ extension Modern.ColorsDemo {
                         palette.setRandomHue()
                     }
                 },
+                sourceIdentifier: TransactionSource.shuffle,
                 completion: { _ in }
             )
         }

Demo/⭐️Sources/⭐️Demos/⭐️Modern/⭐️ColorsDemo/Modern.ColorsDemo.UIKit.DetailView.swift

@@ -30,14 +30,19 @@ extension Modern.ColorsDemo.UIKit {
             return UIViewControllerType(self.palette)
         }
 
-        func updateUIViewController(_ uiViewController: UIViewControllerType, context: Self.Context) {}
+        func updateUIViewController(_ uiViewController: UIViewControllerType, context: Self.Context) {
+            
+            uiViewController.palette = Modern.ColorsDemo.dataStack.monitorObject(
+                self.palette.object!
+            )
+        }
 
         static func dismantleUIViewController(_ uiViewController: UIViewControllerType, coordinator: Void) {}
         
         
         // MARK: Private
         
-        private let palette: ObjectPublisher<Modern.ColorsDemo.Palette>
+        private var palette: ObjectPublisher<Modern.ColorsDemo.Palette>
     }
 }
 

Demo/⭐️Sources/⭐️Demos/⭐️Modern/⭐️ColorsDemo/Modern.ColorsDemo.swift

@@ -2,6 +2,7 @@
 // Demo
 // Copyright © 2020 John Rommel Estropia, Inc. All rights reserved.
 
+import SwiftUI
 import CoreStore
 
 // MARK: - Modern
@@ -45,7 +46,10 @@ extension Modern {
         
         static let palettesPublisher: ListPublisher<Modern.ColorsDemo.Palette> = Modern.ColorsDemo.dataStack.publishList(
             From<Modern.ColorsDemo.Palette>()
-                .sectionBy(\.$colorGroup)
+                .sectionBy(
+                    \.$colorGroup,
+                    sectionIndexTransformer: { $0?.first?.uppercased() }
+                )
                 .where(Modern.ColorsDemo.filter.whereClause())
                 .orderBy(.ascending(\.$hue))
         )
@@ -56,11 +60,27 @@ extension Modern {
                 
                 try! Modern.ColorsDemo.palettesPublisher.refetch(
                     From<Modern.ColorsDemo.Palette>()
-                        .sectionBy(\.$colorGroup)
+                        .sectionBy(
+                            \.$colorGroup,
+                            sectionIndexTransformer: { $0?.first?.uppercased() }
+                        )
                         .where(self.filter.whereClause())
-                        .orderBy(.ascending(\.$hue))
+                        .orderBy(.ascending(\.$hue)),
+                    sourceIdentifier: TransactionSource.refetch
                 )
             }
         }
+        
+        
+        // MARK: - TransactionSource
+        
+        enum TransactionSource {
+            
+            case add
+            case delete
+            case shuffle
+            case clear
+            case refetch
+        }
     }
 }

Demo/⭐️Sources/⭐️Demos/⭐️Modern/⭐️ColorsDemo/⭐️Modern.ColorsDemo.SwiftUI.DetailView.swift

@@ -15,10 +15,10 @@ extension Modern.ColorsDemo.SwiftUI {
     struct DetailView: View {
         
         /**
-         ⭐️ Sample 1: Setting an `ObjectPublisher` declared as an `@ObservedObject`
+         ⭐️ Sample 1: Using a `ObjectState` to observe object changes. Note that the `ObjectSnapshot` is always `Optional`
          */
-        @ObservedObject
-        private var palette: ObjectPublisher<Modern.ColorsDemo.Palette>
+        @ObjectState
+        private var palette: ObjectSnapshot<Modern.ColorsDemo.Palette>?
         
         /**
          ⭐️ Sample 2: Setting properties that can be binded to controls (`Slider` in this case) by creating custom `@Binding` instances that updates the store when the values change.
@@ -34,7 +34,7 @@ extension Modern.ColorsDemo.SwiftUI {
 
         init(_ palette: ObjectPublisher<Modern.ColorsDemo.Palette>) {
 
-            self.palette = palette
+            self._palette = .init(palette)
             self._hue = Binding(
                 get: { palette.hue ?? 0 },
                 set: { percentage in
@@ -84,56 +84,50 @@ extension Modern.ColorsDemo.SwiftUI {
         
         var body: some View {
             
-            guard let snapshot = self.palette.snapshot else {
+            if let palette = self.palette {
                 
-                return AnyView(EmptyView())
-            }
-            return AnyView(
-                GeometryReader { geometry in
-                    ZStack(alignment: .bottom) {
-                        Color(snapshot.$color)
-                        ZStack {
-                            Color.white
-                                .cornerRadius(10)
-                                .shadow(color: Color(.sRGB, white: 0.5, opacity: 0.3), radius: 2, x: 1, y: 1)
-                            VStack(alignment: .leading, spacing: 10) {
-                                HStack {
-                                    Text("H: \(Int(snapshot.$hue * 359))°")
-                                        .frame(width: 80)
-                                    Slider(
-                                        value: self.$hue,
-                                        in: 0 ... 1,
-                                        step: 1 / 359
-                                    )
-                                }
-                                HStack {
-                                    Text("S: \(Int(snapshot.$saturation * 100))%")
-                                        .frame(width: 80)
-                                    Slider(
-                                        value: self.$saturation,
-                                        in: 0 ... 1,
-                                        step: 1 / 100
-                                    )
-                                }
-                                HStack {
-                                    Text("B: \(Int(snapshot.$brightness * 100))%")
-                                        .frame(width: 80)
-                                    Slider(
-                                        value: self.$brightness,
-                                        in: 0 ... 1,
-                                        step: 1 / 100
-                                    )
-                                }
+                ZStack(alignment: .center) {
+                    Color(palette.$color)
+                    ZStack {
+                        RoundedRectangle(cornerRadius: 10, style: .continuous)
+                            .fill(Color.white)
+                            .shadow(color: Color(.sRGB, white: 0.5, opacity: 0.3), radius: 2, x: 1, y: 1)
+                        VStack(alignment: .leading, spacing: 10) {
+                            HStack {
+                                Text("H: \(Int(palette.$hue * 359))°")
+                                    .frame(width: 80)
+                                Slider(
+                                    value: self.$hue,
+                                    in: 0 ... 1,
+                                    step: 1 / 359
+                                )
+                            }
+                            HStack {
+                                Text("S: \(Int(palette.$saturation * 100))%")
+                                    .frame(width: 80)
+                                Slider(
+                                    value: self.$saturation,
+                                    in: 0 ... 1,
+                                    step: 1 / 100
+                                )
+                            }
+                            HStack {
+                                Text("B: \(Int(palette.$brightness * 100))%")
+                                    .frame(width: 80)
+                                Slider(
+                                    value: self.$brightness,
+                                    in: 0 ... 1,
+                                    step: 1 / 100
+                                )
                             }
-                            .foregroundColor(Color(.sRGB, white: 0, opacity: 0.8))
-                            .padding()
                         }
-                        .fixedSize(horizontal: false, vertical: true)
+                        .foregroundColor(Color(.sRGB, white: 0, opacity: 0.8))
                         .padding()
-                        .padding(geometry.safeAreaInsets)
                     }
+                    .fixedSize(horizontal: false, vertical: true)
+                    .padding()
                 }
-            )
+            }
         }
     }
 }

Demo/⭐️Sources/⭐️Demos/⭐️Modern/⭐️ColorsDemo/⭐️Modern.ColorsDemo.SwiftUI.ItemView.swift

@@ -14,36 +14,34 @@ extension Modern.ColorsDemo.SwiftUI {
     struct ItemView: View {
         
         /**
-         ⭐️ Sample 1: Setting an `ObjectPublisher` declared as an `@ObservedObject`
+         ⭐️ Sample 1: Using a `ObjectState` to observe object changes. Note that the `ObjectSnapshot` is always `Optional`
          */
-        @ObservedObject
-        private var palette: ObjectPublisher<Modern.ColorsDemo.Palette>
-        
-        
-        // MARK: Internal
+        @ObjectState
+        private var palette: ObjectSnapshot<Modern.ColorsDemo.Palette>?
         
+        /**
+         ⭐️ Sample 2: Initializing a `ObjectState` from an existing `ObjectPublisher`
+         */
         internal init(_ palette: ObjectPublisher<Modern.ColorsDemo.Palette>) {
             
-            self.palette = palette
+            self._palette = .init(palette)
         }
         
-        
-        // MARK: View
-
+        /**
+         ⭐️ Sample 3: Readding values directly from the `ObjectSnapshot`
+         */
         var body: some View {
             
-            guard let palette = self.palette.snapshot else {
+            if let palette = self.palette {
                 
-                return AnyView(EmptyView())
-            }
-            return AnyView(
                 Color(palette.$color).overlay(
                     Text(palette.$colorText)
                         .foregroundColor(palette.$brightness > 0.6 ? .black : .white)
                         .padding(),
                     alignment: .leading
                 )
-            )
+                .animation(.default)
+            }
         }
     }
 }

Demo/⭐️Sources/⭐️Demos/⭐️Modern/⭐️ColorsDemo/⭐️Modern.ColorsDemo.SwiftUI.ListView.swift

@@ -5,7 +5,6 @@
 import CoreStore
 import SwiftUI
 
-
 // MARK: - Modern.ColorsDemo.SwiftUI
 
 extension Modern.ColorsDemo.SwiftUI {
@@ -15,53 +14,58 @@ extension Modern.ColorsDemo.SwiftUI {
     struct ListView: View {
         
         /**
-         ⭐️ Sample 1: Setting a sectioned `ListPublisher` declared as an `@ObservedObject`
+         ⭐️ Sample 1: Using a `ListState` to observe list changes
          */
-        @ObservedObject
-        private var listPublisher: ListPublisher<Modern.ColorsDemo.Palette>
+        @ListState
+        private var palettes: ListSnapshot<Modern.ColorsDemo.Palette>
         
         /**
-         ⭐️ Sample 2: Assigning sections and items of the `ListPublisher` to corresponding `View`s
+         ⭐️ Sample 2: Initializing a `ListState` from an existing `ListPublisher`
          */
-         var body: some View {
-            let listSnapshot = self.listPublisher.snapshot
-            return List {
-                ForEach(listSnapshot.sectionIDs, id: \.self) { (sectionID) in
-                    Section(header: Text(sectionID)) {
-                        ForEach(listSnapshot.items(inSectionWithID: sectionID), id: \.self) { palette in
+        init(
+            listPublisher: ListPublisher<Modern.ColorsDemo.Palette>,
+            onPaletteTapped: @escaping (ObjectPublisher<Modern.ColorsDemo.Palette>) -> Void
+        ) {
+            
+            self._palettes = .init(listPublisher)
+            self.onPaletteTapped = onPaletteTapped
+        }
+        
+        /**
+         ⭐️ Sample 3: Assigning sections and items of the `ListSnapshot` to corresponding `View`s by using the correct `ForEach` overloads.
+         */
+        var body: some View {
+            
+            List {
+                
+                ForEach(sectionIn: self.palettes) { section in
+                    
+                    Section(header: Text(section.sectionID)) {
+                        
+                        ForEach(objectIn: section) { palette in
+                            
                             Button(
                                 action: {
+                                    
                                     self.onPaletteTapped(palette)
                                 },
                                 label: {
+                                    
                                     Modern.ColorsDemo.SwiftUI.ItemView(palette)
                                 }
                             )
                             .listRowInsets(.init())
                         }
                         .onDelete { itemIndices in
-
-                            self.deleteColors(at: itemIndices, in: sectionID)
+                            
+                            self.deleteColors(at: itemIndices, in: section.sectionID)
                         }
                     }
                 }
-                GeometryReader { geometry in
-                    Spacer(minLength: geometry.safeAreaInsets.bottom)
-                }
             }
+            .animation(.default)
             .listStyle(PlainListStyle())
-         }
-        
-        
-        // MARK: Internal
-        
-        init(
-            listPublisher: ListPublisher<Modern.ColorsDemo.Palette>,
-            onPaletteTapped: @escaping (ObjectPublisher<Modern.ColorsDemo.Palette>) -> Void
-        ) {
-            
-            self.listPublisher = listPublisher
-            self.onPaletteTapped = onPaletteTapped
+            .edgesIgnoringSafeArea([])
         }
         
         
@@ -71,7 +75,7 @@ extension Modern.ColorsDemo.SwiftUI {
         
         private func deleteColors(at indices: IndexSet, in sectionID: String) {
             
-            let objectIDsToDelete = self.listPublisher.snapshot.itemIDs(
+            let objectIDsToDelete = self.palettes.itemIDs(
                 inSectionWithID: sectionID,
                 atIndices: indices
             )

Demo/⭐️Sources/⭐️Demos/⭐️Modern/⭐️ColorsDemo/⭐️Modern.ColorsDemo.UIKit.DetailViewController.swift

@@ -40,6 +40,15 @@ extension Modern.ColorsDemo.UIKit {
         /**
          ⭐️ Sample 3: We can end monitoring updates anytime. `removeObserver()` was called here for illustration purposes only. `ObjectMonitor`s safely remove deallocated observers automatically.
          */
+        var palette: ObjectMonitor<Modern.ColorsDemo.Palette> {
+            
+            didSet {
+                
+                oldValue.removeObserver(self)
+                self.startMonitoringObject()
+            }
+        }
+        
         deinit {
             
             self.palette.removeObserver(self)
@@ -82,7 +91,8 @@ extension Modern.ColorsDemo.UIKit {
         func objectMonitor(
             _ monitor: ObjectMonitor<Modern.ColorsDemo.Palette>,
             didUpdateObject object: Modern.ColorsDemo.Palette,
-            changedPersistentKeys: Set<KeyPathString>
+            changedPersistentKeys: Set<KeyPathString>,
+            sourceIdentifier: Any?
         ) {
             
             self.reloadPaletteInfo(object, changedKeys: changedPersistentKeys)
@@ -183,9 +193,8 @@ extension Modern.ColorsDemo.UIKit {
                             equalTo: view.safeAreaLayoutGuide.leadingAnchor,
                             constant: 10
                         ),
-                        containerView.bottomAnchor.constraint(
-                            equalTo: view.safeAreaLayoutGuide.bottomAnchor,
-                            constant: -10
+                        containerView.centerYAnchor.constraint(
+                            equalTo: view.safeAreaLayoutGuide.centerYAnchor
                         ),
                         containerView.trailingAnchor.constraint(
                             equalTo: view.safeAreaLayoutGuide.trailingAnchor,
@@ -223,8 +232,6 @@ extension Modern.ColorsDemo.UIKit {
         
         // MARK: Private
         
-        private let palette: ObjectMonitor<Modern.ColorsDemo.Palette>
-        
         @available(*, unavailable)
         required init?(coder: NSCoder) {
             

Demo/⭐️Sources/⭐️Demos/⭐️Modern/⭐️ColorsDemo/⭐️Modern.ColorsDemo.UIKit.ListViewController.swift

@@ -15,9 +15,9 @@ extension Modern.ColorsDemo.UIKit {
     final class ListViewController: UITableViewController {
         
         /**
-         ⭐️ Sample 1: Setting up a `DiffableDataSource.TableViewAdapter` that will manage tableView snapshot updates automatically. We can use the built-in `DiffableDataSource.TableViewAdapter` type directly, but in our case we want to enabled `UITableView` cell deletions so we create a custom subclass `DeletionEnabledDataSource` (see declaration below).
+         ⭐️ Sample 1: Setting up a `DiffableDataSource.TableViewAdapter` that will manage tableView snapshot updates automatically. We can use the built-in `DiffableDataSource.TableViewAdapter` type directly, but in our case we want to enabled `UITableView` cell deletions so we create a custom subclass `CustomDataSource` (see declaration below).
          */
-        private lazy var dataSource: DiffableDataSource.TableViewAdapter<Modern.ColorsDemo.Palette> = DeletionEnabledDataSource(
+        private lazy var dataSource: DiffableDataSource.TableViewAdapter<Modern.ColorsDemo.Palette> = CustomDataSource(
             tableView: self.tableView,
             dataStack: Modern.ColorsDemo.dataStack,
             cellProvider: { (tableView, indexPath, palette) in
@@ -32,21 +32,26 @@ extension Modern.ColorsDemo.UIKit {
         )
         
         /**
-         ⭐️ Sample 2: Once the views are created, we can start binding `ListPublisher` updates to the `DiffableDataSource`. We typically call this at the end of `viewDidLoad`. Note that the `addObserver`'s closure argument will only be called on the succeeding updates, so to immediately display the current values, we need to call `dataSource.apply()` once.
+         ⭐️ Sample 2: Once the views are created, we can start binding `ListPublisher` updates to the `DiffableDataSource`. We typically call this at the end of `viewDidLoad`. Note that the `addObserver`'s closure argument will only be called on the succeeding updates, so to immediately display the current values, we need to call `dataSource.apply()` once. This example inspects the optional `transactionSource` to determine the source of the update which is helpful for debugging or for fine-tuning animations.
          */
         private func startObservingList() {
             
-            self.listPublisher.addObserver(self) { (listPublisher) in
+            let dataSource = self.dataSource
+            self.listPublisher.addObserver(self, notifyInitial: true) { (listPublisher, transactionSource) in
                 
-                self.dataSource.apply(
-                    listPublisher.snapshot,
-                    animatingDifferences: true
-                )
+                switch transactionSource as? Modern.ColorsDemo.TransactionSource {
+                    
+                case .add,
+                     .delete,
+                     .shuffle,
+                     .clear:
+                    dataSource.apply(listPublisher.snapshot, animatingDifferences: true)
+                    
+                case nil,
+                     .refetch:
+                    dataSource.apply(listPublisher.snapshot, animatingDifferences: false)
+                }
             }
-            self.dataSource.apply(
-                listPublisher.snapshot,
-                animatingDifferences: false
-            )
         }
         
         /**
@@ -58,9 +63,11 @@ extension Modern.ColorsDemo.UIKit {
         }
 
         /**
-         ⭐️ Sample 4: This is the custom `DiffableDataSource.TableViewAdapter` subclass we wrote that enabled swipe-to-delete gestures on the `UITableView`.
+         ⭐️ Sample 4: This is the custom `DiffableDataSource.TableViewAdapter` subclass we wrote that enabled swipe-to-delete gestures and section index titles on the `UITableView`.
          */
-        final class DeletionEnabledDataSource: DiffableDataSource.TableViewAdapter<Modern.ColorsDemo.Palette> {
+        final class CustomDataSource: DiffableDataSource.TableViewAdapter<Modern.ColorsDemo.Palette> {
+            
+            // MARK: UITableViewDataSource
 
             override func tableView(_ tableView: UITableView, commit editingStyle: UITableViewCell.EditingStyle, forRowAt indexPath: IndexPath) {
 
@@ -76,6 +83,7 @@ extension Modern.ColorsDemo.UIKit {
 
                             transaction.delete(objectIDs: [itemID])
                         },
+                        sourceIdentifier: Modern.ColorsDemo.TransactionSource.delete,
                         completion: { _ in }
                     )
 
@@ -83,6 +91,16 @@ extension Modern.ColorsDemo.UIKit {
                     break
                 }
             }
+            
+            override func sectionIndexTitles(for tableView: UITableView) -> [String]? {
+                
+                return self.sectionIndexTitlesForAllSections().compactMap({ $0 })
+            }
+            
+            override func tableView(_ tableView: UITableView, sectionForSectionIndexTitle title: String, at index: Int) -> Int {
+                
+                return index
+            }
         }
         
         

Demo/⭐️Sources/⭐️Demos/⭐️Modern/⭐️PlacemarksDemo/⭐️Modern.PlacemarksDemo.MainView.swift

@@ -25,7 +25,7 @@ extension Modern.PlacemarksDemo {
             Modern.PlacemarksDemo.dataStack.perform(
                 asynchronous: { (transaction) in
                     
-                    let place = self.place.asEditable(in: transaction)
+                    let place = self.$place?.asEditable(in: transaction)
                     place?.annotation = .init(coordinate: coordinate)
                 },
                 completion: { _ in }
@@ -42,7 +42,7 @@ extension Modern.PlacemarksDemo {
             _ = try? Modern.PlacemarksDemo.dataStack.perform(
                 synchronous: {  (transaction) in
                     
-                    let place = self.place.asEditable(in: transaction)
+                    let place = self.$place?.asEditable(in: transaction)
                     place?.setRandomLocation()
                 }
             )
@@ -71,22 +71,25 @@ extension Modern.PlacemarksDemo {
 
         // MARK: Internal
 
-        @ObservedObject
-        var place: ObjectPublisher<Modern.PlacemarksDemo.Place>
+        @ObjectState(Modern.PlacemarksDemo.placePublisher)
+        var place: ObjectSnapshot<Modern.PlacemarksDemo.Place>?
         
         init() {
             
-            self.place = Modern.PlacemarksDemo.placePublisher
-            self.sinkCancellable = self.place.sink(
+            self.sinkCancellable = self.$place?.reactive.snapshot().sink(
                 receiveCompletion: { _ in
                     
                     // Deleted, do nothing
                 },
                 receiveValue: { [self] (snapshot) in
                     
+                    guard let snapshot = snapshot else {
+                        
+                        return
+                    }
                     self.geocoder.geocode(place: snapshot) { (title, subtitle) in
                         
-                        guard self.place.snapshot == snapshot else {
+                        guard self.place == snapshot else {
                             
                             return
                         }
@@ -104,22 +107,29 @@ extension Modern.PlacemarksDemo {
         // MARK: View
         
         var body: some View {
-            Modern.PlacemarksDemo.MapView(
-                place: self.place.snapshot,
-                onTap: { coordinate in
+            
+            Group {
+                
+                if let place = self.place {
                     
-                    self.demoAsynchronousTransaction(coordinate: coordinate)
+                    Modern.PlacemarksDemo.MapView(
+                        place: place,
+                        onTap: { coordinate in
+                            
+                            self.demoAsynchronousTransaction(coordinate: coordinate)
+                        }
+                    )
+                    .overlay(
+                        InstructionsView(
+                            ("Random", "Sets random coordinate"),
+                            ("Tap", "Sets to tapped coordinate")
+                        )
+                        .padding(.leading, 10)
+                        .padding(.bottom, 40),
+                        alignment: .bottomLeading
+                    )
                 }
-            )
-            .overlay(
-                InstructionsView(
-                    ("Random", "Sets random coordinate"),
-                    ("Tap", "Sets to tapped coordinate")
-                )
-                .padding(.leading, 10)
-                .padding(.bottom, 40),
-                alignment: .bottomLeading
-            )
+            }
             .navigationBarTitle("Placemarks")
             .navigationBarItems(
                 trailing: Button("Random") {
@@ -132,7 +142,7 @@ extension Modern.PlacemarksDemo {
         
         // MARK: Private
         
-        private var sinkCancellable: AnyCancellable? = nil
+        private var sinkCancellable: AnyCancellable?
         private let geocoder = Modern.PlacemarksDemo.Geocoder()
     }
 }

Demo/⭐️Sources/⭐️Demos/⭐️Modern/⭐️PokedexDemo/Modern.PokedexDemo.MainView.swift

@@ -12,30 +12,28 @@ extension Modern.PokedexDemo {
 
     // MARK: - Modern.PokedexDemo.MainView
 
-    struct MainView: View {
+    struct MainView<ListView: View>: View {
 
         // MARK: Internal
-
-        init() {
-
-            self.pokedexEntries = Modern.PokedexDemo.pokedexEntries
+        
+        init(
+            listView: @escaping () -> ListView
+        ) {
+            
+            self.listView = listView
         }
 
 
         // MARK: View
 
         var body: some View {
-            let pokedexEntries = self.pokedexEntries.snapshot
-            return ZStack {
+            ZStack {
                 
-                Modern.PokedexDemo.ListView(
-                    service: self.service,
-                    listPublisher: self.pokedexEntries
-                )
+                self.listView()
                 .frame(minHeight: 0, maxHeight: .infinity)
                 .edgesIgnoringSafeArea(.vertical)
                 
-                if pokedexEntries.isEmpty {
+                if self.pokedexEntries.isEmpty {
                     
                     VStack(alignment: .center, spacing: 30) {
                         Text("This demo needs to make a network connection to download Pokedex entries")
@@ -64,11 +62,17 @@ extension Modern.PokedexDemo {
 
         // MARK: Private
         
-        @ObservedObject
-        private var pokedexEntries: ListPublisher<Modern.PokedexDemo.PokedexEntry>
+        @ListState(
+            From<Modern.PokedexDemo.PokedexEntry>()
+                .orderBy(.ascending(\.$index)),
+            in: Modern.PokedexDemo.dataStack
+        )
+        private var pokedexEntries
 
         @ObservedObject
         private var service: Modern.PokedexDemo.Service = .init()
+        
+        private let listView: () -> ListView
     }
 }
 
@@ -82,7 +86,9 @@ struct _Demo_Modern_PokedexDemo_MainView_Preview: PreviewProvider {
 
     static var previews: some View {
 
-        Modern.PokedexDemo.MainView()
+        Modern.PokedexDemo.MainView(
+            listView: Modern.PokedexDemo.UIKit.ListView.init
+        )
     }
 }
 

Demo/⭐️Sources/⭐️Demos/⭐️Modern/⭐️PokedexDemo/Modern.PokedexDemo.UIKit.ItemCell.swift

@@ -7,9 +7,9 @@ import CoreStore
 import UIKit
 
 
-// MARK: - Modern.PokedexDemo
+// MARK: - Modern.PokedexDemo.UIKit
 
-extension Modern.PokedexDemo {
+extension Modern.PokedexDemo.UIKit {
 
     // MARK: - Modern.PokedexDemo.ItemCell
     
@@ -17,7 +17,7 @@ extension Modern.PokedexDemo {
         
         // MARK: Internal
         
-        static let reuseIdentifier: String = NSStringFromClass(Modern.PokedexDemo.ItemCell.self)
+        static let reuseIdentifier: String = NSStringFromClass(Modern.PokedexDemo.UIKit.ItemCell.self)
         
         func setPokedexEntry(
             _ pokedexEntry: Modern.PokedexDemo.PokedexEntry,
@@ -61,6 +61,7 @@ extension Modern.PokedexDemo {
                 
                 contentView.backgroundColor = UIColor.placeholderText.withAlphaComponent(0.1)
                 contentView.layer.cornerRadius = 10
+                contentView.layer.cornerCurve = .continuous
                 contentView.layer.masksToBounds = true
             }
             

Demo/⭐️Sources/⭐️Demos/⭐️Modern/⭐️PokedexDemo/Modern.PokedexDemo.UIKit.ListView.swift

@@ -5,9 +5,9 @@
 import CoreStore
 import SwiftUI
 
-// MARK: - Modern.PokedexDemo
+// MARK: - Modern.PokedexDemo.UIKit
 
-extension Modern.PokedexDemo {
+extension Modern.PokedexDemo.UIKit {
     
     // MARK: - Modern.PokedexDemo.ListView
 
@@ -15,19 +15,20 @@ extension Modern.PokedexDemo {
         
         // MARK: Internal
         
-        init(
-            service: Modern.PokedexDemo.Service,
-            listPublisher: ListPublisher<Modern.PokedexDemo.PokedexEntry>
-        ) {
+        init() {
             
-            self.service = service
-            self.listPublisher = listPublisher
+            self.service = Modern.PokedexDemo.Service.init()
+            self.listPublisher = Modern.PokedexDemo.dataStack
+                .publishList(
+                    From<Modern.PokedexDemo.PokedexEntry>()
+                        .orderBy(.ascending(\.$index))
+                )
         }
         
         
         // MARK: UIViewControllerRepresentable
 
-        typealias UIViewControllerType = Modern.PokedexDemo.ListViewController
+        typealias UIViewControllerType = Modern.PokedexDemo.UIKit.ListViewController
 
         func makeUIViewController(context: Self.Context) -> UIViewControllerType {
             
@@ -53,7 +54,7 @@ extension Modern.PokedexDemo {
 
 #if DEBUG
 
-struct _Demo_Modern_PokedexDemo_ListView_Preview: PreviewProvider {
+struct _Demo_Modern_PokedexDemo_UIKit_ListView_Preview: PreviewProvider {
     
     // MARK: PreviewProvider
     
@@ -62,10 +63,7 @@ struct _Demo_Modern_PokedexDemo_ListView_Preview: PreviewProvider {
         let service = Modern.PokedexDemo.Service()
         service.fetchPokedexEntries()
         
-        return Modern.PokedexDemo.ListView(
-            service: service,
-            listPublisher: Modern.PokedexDemo.pokedexEntries
-        )
+        return Modern.PokedexDemo.UIKit.ListView()
     }
 }
 

Demo/⭐️Sources/⭐️Demos/⭐️Modern/⭐️PokedexDemo/Modern.PokedexDemo.UIKit.ListViewController.swift

@@ -6,9 +6,9 @@ import CoreStore
 import UIKit
 
 
-// MARK: - Modern.PokedexDemo
+// MARK: - Modern.PokedexDemo.UIKit
 
-extension Modern.PokedexDemo {
+extension Modern.PokedexDemo.UIKit {
     
     // MARK: - Modern.PokedexDemo.ListViewController
     
@@ -65,8 +65,8 @@ extension Modern.PokedexDemo {
             self.collectionView.backgroundColor = UIColor.systemBackground
             
             self.collectionView.register(
-                Modern.PokedexDemo.ItemCell.self,
-                forCellWithReuseIdentifier: Modern.PokedexDemo.ItemCell.reuseIdentifier
+                Modern.PokedexDemo.UIKit.ItemCell.self,
+                forCellWithReuseIdentifier: Modern.PokedexDemo.UIKit.ItemCell.reuseIdentifier
             )
 
             self.startObservingList()
@@ -84,9 +84,9 @@ extension Modern.PokedexDemo {
             cellProvider: { (collectionView, indexPath, pokedexEntry) in
                 
                 let cell = collectionView.dequeueReusableCell(
-                    withReuseIdentifier: Modern.PokedexDemo.ItemCell.reuseIdentifier,
+                    withReuseIdentifier: Modern.PokedexDemo.UIKit.ItemCell.reuseIdentifier,
                     for: indexPath
-                ) as! Modern.PokedexDemo.ItemCell
+                ) as! Modern.PokedexDemo.UIKit.ItemCell
                 cell.setPokedexEntry(pokedexEntry, service: self.service)
                 return cell
             }

Demo/⭐️Sources/⭐️Demos/⭐️Modern/⭐️PokedexDemo/Modern.PokedexDemo.UIKit.swift

@@ -0,0 +1,13 @@
+//
+// Demo
+// Copyright © 2020 John Rommel Estropia, Inc. All rights reserved.
+
+
+// MARK: - Modern.PokedexDemo
+
+extension Modern.PokedexDemo {
+    
+    // MARK: - UIKit
+    
+    enum UIKit {}
+}

LegacyDemo/LegacyDemo.xcodeproj/project.pbxproj

@@ -1,597 +0,0 @@
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-				CLANG_WARN_BOOL_CONVERSION = YES;
-				CLANG_WARN_COMMA = YES;
-				CLANG_WARN_CONSTANT_CONVERSION = YES;
-				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
-				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
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-/* End XCBuildConfiguration section */
-
-/* Begin XCConfigurationList section */
-		B54AAD441AF4D26E00848AE0 /* Build configuration list for PBXProject "LegacyDemo" */ = {
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-			buildConfigurations = (
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-			);
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-			defaultConfigurationName = Release;
-		};
-/* End XCConfigurationList section */
-
-/* Begin XCVersionGroup section */
-		B54AAD501AF4D26E00848AE0 /* LegacyDemo.xcdatamodeld */ = {
-			isa = XCVersionGroup;
-			children = (
-				B54AAD511AF4D26E00848AE0 /* LegacyDemo.xcdatamodel */,
-			);
-			currentVersion = B54AAD511AF4D26E00848AE0 /* LegacyDemo.xcdatamodel */;
-			path = LegacyDemo.xcdatamodeld;
-			sourceTree = "<group>";
-			versionGroupType = wrapper.xcdatamodel;
-		};
-		B56964D51B231AE90075EE4A /* StackSetupDemo.xcdatamodeld */ = {
-			isa = XCVersionGroup;
-			children = (
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-			);
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-			path = StackSetupDemo.xcdatamodeld;
-			sourceTree = "<group>";
-			versionGroupType = wrapper.xcdatamodel;
-		};
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-			isa = XCVersionGroup;
-			children = (
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-			currentVersion = B5EE25881B36E2750000406B /* MigrationDemoV3.xcdatamodel */;
-			path = MigrationDemo.xcdatamodeld;
-			sourceTree = "<group>";
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-		};
-/* End XCVersionGroup section */
-	};
-	rootObject = B54AAD411AF4D26E00848AE0 /* Project object */;
-}

LegacyDemo/LegacyDemo.xcodeproj/project.xcworkspace/contents.xcworkspacedata

@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<Workspace
-   version = "1.0">
-   <FileRef
-      location = "self:LegacyDemo.xcodeproj">
-   </FileRef>
-</Workspace>

LegacyDemo/LegacyDemo/AppDelegate.swift

@@ -1,26 +0,0 @@
-//
-//  AppDelegate.swift
-//  LegacyDemo
-//
-//  Created by John Rommel Estropia on 2015/05/02.
-//  Copyright © 2018 John Rommel Estropia. All rights reserved.
-//
-
-import UIKit
-
-
-// MARK: - AppDelegate
-
-@UIApplicationMain
-class AppDelegate: UIResponder, UIApplicationDelegate {
-
-    // MARK: UIApplicationDelegate
-    
-    var window: UIWindow?
-
-    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]? = nil) -> Bool {
-
-        return true
-    }
-}
-

LegacyDemo/LegacyDemo/Base.lproj/LaunchScreen.xib

@@ -1,52 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="14313.18" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES" colorMatched="YES">
-    <device id="retina4_7" orientation="portrait">
-        <adaptation id="fullscreen"/>
-    </device>
-    <dependencies>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="14283.14"/>
-        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
-    </dependencies>
-    <objects>
-        <placeholder placeholderIdentifier="IBFilesOwner" id="-1" userLabel="File's Owner"/>
-        <placeholder placeholderIdentifier="IBFirstResponder" id="-2" customClass="UIResponder"/>
-        <view contentMode="scaleToFill" id="iN0-l3-epB">
-            <rect key="frame" x="0.0" y="0.0" width="480" height="480"/>
-            <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
-            <subviews>
-                <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="  Copyright © 2018 John Rommel Estropia. All rights reserved." textAlignment="center" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" minimumFontSize="9" translatesAutoresizingMaskIntoConstraints="NO" id="8ie-xW-0ye">
-                    <rect key="frame" x="20" y="439" width="440" height="21"/>
-                    <fontDescription key="fontDescription" type="system" pointSize="17"/>
-                    <color key="textColor" red="0.90744441747665405" green="0.9265514612197876" blue="0.93116652965545654" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
-                    <nil key="highlightedColor"/>
-                </label>
-                <imageView userInteractionEnabled="NO" contentMode="center" horizontalHuggingPriority="251" verticalHuggingPriority="251" image="CoreStoreIcon" translatesAutoresizingMaskIntoConstraints="NO" id="q8C-V6-gXH">
-                    <rect key="frame" x="155" y="83" width="170" height="170"/>
-                </imageView>
-                <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="CoreStore" textAlignment="center" lineBreakMode="middleTruncation" baselineAdjustment="alignBaselines" minimumFontSize="18" translatesAutoresizingMaskIntoConstraints="NO" id="kId-c2-rCX">
-                    <rect key="frame" x="20" y="273" width="440" height="57.5"/>
-                    <fontDescription key="fontDescription" name="HelveticaNeue-UltraLight" family="Helvetica Neue" pointSize="50"/>
-                    <color key="textColor" red="0.90744441747665405" green="0.9265514612197876" blue="0.93116652965545654" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
-                    <nil key="highlightedColor"/>
-                </label>
-            </subviews>
-            <color key="backgroundColor" red="0.15542715787887573" green="0.2203737199306488" blue="0.2959403395652771" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
-            <constraints>
-                <constraint firstAttribute="centerX" secondItem="kId-c2-rCX" secondAttribute="centerX" id="Koa-jz-hwk"/>
-                <constraint firstAttribute="bottom" secondItem="8ie-xW-0ye" secondAttribute="bottom" constant="20" id="Kzo-t9-V3l"/>
-                <constraint firstItem="8ie-xW-0ye" firstAttribute="leading" secondItem="iN0-l3-epB" secondAttribute="leading" constant="20" symbolic="YES" id="MfP-vx-nX0"/>
-                <constraint firstItem="q8C-V6-gXH" firstAttribute="centerY" secondItem="iN0-l3-epB" secondAttribute="centerY" multiplier="0.7" id="QW6-8Y-w15"/>
-                <constraint firstAttribute="centerX" secondItem="8ie-xW-0ye" secondAttribute="centerX" id="ZEH-qu-HZ9"/>
-                <constraint firstItem="q8C-V6-gXH" firstAttribute="centerX" secondItem="iN0-l3-epB" secondAttribute="centerX" id="fRb-1V-9iD"/>
-                <constraint firstItem="kId-c2-rCX" firstAttribute="leading" secondItem="iN0-l3-epB" secondAttribute="leading" constant="20" symbolic="YES" id="fvb-Df-36g"/>
-                <constraint firstItem="kId-c2-rCX" firstAttribute="top" secondItem="q8C-V6-gXH" secondAttribute="bottom" constant="20" id="s63-MP-ush"/>
-            </constraints>
-            <nil key="simulatedStatusBarMetrics"/>
-            <freeformSimulatedSizeMetrics key="simulatedDestinationMetrics"/>
-            <point key="canvasLocation" x="548" y="455"/>
-        </view>
-    </objects>
-    <resources>
-        <image name="CoreStoreIcon" width="170" height="170"/>
-    </resources>
-</document>

LegacyDemo/LegacyDemo/Fetching and Querying Demo/FetchingAndQueryingDemoViewController.swift

@@ -1,319 +0,0 @@
-//
-//  FetchingAndQueryingDemoViewController.swift
-//  LegacyDemo
-//
-//  Created by John Rommel Estropia on 2015/06/12.
-//  Copyright © 2018 John Rommel Estropia. All rights reserved.
-//
-
-import UIKit
-import CoreStore
-
-
-private struct Static {
-    
-    static let timeZonesStack: DataStack = {
-        
-        let dataStack = DataStack()
-        try! dataStack.addStorageAndWait(
-            SQLiteStore(
-                fileName: "TimeZoneDemo.sqlite",
-                configuration: "FetchingAndQueryingDemo",
-                localStorageOptions: .recreateStoreOnModelMismatch
-            )
-        )
-        _ = try? dataStack.perform(
-            synchronous: { (transaction) in
-                
-                try transaction.deleteAll(From<TimeZone>())
-                
-                for name in NSTimeZone.knownTimeZoneNames {
-                    
-                    let rawTimeZone = NSTimeZone(name: name)!
-                    let cachedTimeZone = transaction.create(Into<TimeZone>())
-                    
-                    cachedTimeZone.name = rawTimeZone.name
-                    cachedTimeZone.abbreviation = rawTimeZone.abbreviation ?? ""
-                    cachedTimeZone.secondsFromGMT = Int32(rawTimeZone.secondsFromGMT)
-                    cachedTimeZone.hasDaylightSavingTime = rawTimeZone.isDaylightSavingTime
-                    cachedTimeZone.daylightSavingTimeOffset = rawTimeZone.daylightSavingTimeOffset
-                }
-            }
-        )
-        return dataStack
-    }()
-}
-
-
-// MARK: - FetchingAndQueryingDemoViewController
-
-class FetchingAndQueryingDemoViewController: UIViewController, UITableViewDataSource, UITableViewDelegate {
-    
-    // MARK: UIViewController
-    
-    override func viewDidAppear(_ animated: Bool) {
-        
-        super.viewDidAppear(animated)
-        
-        if self.didAppearOnce {
-            
-            return
-        }
-        
-        self.didAppearOnce = true
-        
-        let alert = UIAlertController(
-            title: "Fetch and Query Demo",
-            message: "This demo shows how to execute fetches and queries.\n\nEach menu item executes and displays a preconfigured fetch/query.",
-            preferredStyle: .alert
-        )
-        alert.addAction(UIAlertAction(title: "OK", style: .cancel, handler: nil))
-        self.present(alert, animated: true, completion: nil)
-    }
-    
-    override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
-        
-        super.prepare(for: segue, sender: sender)
-        
-        if let indexPath = sender as? IndexPath {
-            
-            switch segue.destination {
-                
-            case let controller as FetchingResultsViewController:
-                let item = self.fetchingItems[indexPath.row]
-                controller.set(timeZones: item.fetch(), title: item.title)
-                
-            case let controller as QueryingResultsViewController:
-                let item = self.queryingItems[indexPath.row]
-                controller.set(value: item.query(), title: item.title)
-                
-            default:
-                break
-            }
-        }
-    }
-    
-    
-    // MARK: UITableViewDataSource
-    
-    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
-        
-        switch self.segmentedControl?.selectedSegmentIndex {
-            
-        case Section.fetching.rawValue?:
-            return self.fetchingItems.count
-            
-        case Section.querying.rawValue?:
-            return self.queryingItems.count
-            
-        default:
-            return 0
-        }
-    }
-    
-    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
-        
-        let cell = tableView.dequeueReusableCell(withIdentifier: "UITableViewCell")!
-        
-        switch self.segmentedControl?.selectedSegmentIndex {
-            
-        case Section.fetching.rawValue?:
-            cell.textLabel?.text = self.fetchingItems[indexPath.row].title
-            
-        case Section.querying.rawValue?:
-            cell.textLabel?.text = self.queryingItems[indexPath.row].title
-            
-        default:
-            cell.textLabel?.text = nil
-        }
-        
-        return cell
-    }
-    
-    
-    // MARK: UITableViewDelegate
-    
-    func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
-        
-        tableView.deselectRow(at: indexPath, animated: true)
-        
-        switch self.segmentedControl?.selectedSegmentIndex {
-            
-        case Section.fetching.rawValue?:
-            self.performSegue(withIdentifier: "FetchingResultsViewController", sender: indexPath)
-            
-        case Section.querying.rawValue?:
-            self.performSegue(withIdentifier: "QueryingResultsViewController", sender: indexPath)
-            
-        default:
-            break
-        }
-    }
-    
-    
-    // MARK: Private
-    
-    private enum Section: Int {
-        
-        case fetching
-        case querying
-    }
-    
-    private let fetchingItems = [
-        (
-            title: "All Time Zones",
-            fetch: { () -> [TimeZone] in
-                
-                return try! Static.timeZonesStack.fetchAll(
-                    From<TimeZone>()
-                        .orderBy(.ascending(\.name))
-                )
-            }
-        ),
-        (
-            title: "Time Zones in Asia",
-            fetch: { () -> [TimeZone] in
-                
-                return try! Static.timeZonesStack.fetchAll(
-                    From<TimeZone>()
-                        .where(
-                            format: "%K BEGINSWITH[c] %@",
-                            #keyPath(TimeZone.name),
-                            "Asia"
-                        )
-                        .orderBy(.ascending(\.secondsFromGMT))
-                )
-            }
-        ),
-        (
-            title: "Time Zones in America and Europe",
-            fetch: { () -> [TimeZone] in
-                
-                return try! Static.timeZonesStack.fetchAll(
-                    From<TimeZone>()
-                        .where(
-                            format: "%K BEGINSWITH[c] %@ OR %K BEGINSWITH[c] %@",
-                            #keyPath(TimeZone.name),
-                            "America",
-                            #keyPath(TimeZone.name),
-                            "Europe"
-                        )
-                        .orderBy(.ascending(\.secondsFromGMT))
-                )
-            }
-        ),
-        (
-            title: "All Time Zones Except America",
-            fetch: { () -> [TimeZone] in
-                
-                return try! Static.timeZonesStack.fetchAll(
-                    From<TimeZone>()
-                        .where(
-                            format: "%K BEGINSWITH[c] %@",
-                            #keyPath(TimeZone.name),
-                            "America"
-                        )
-                        .orderBy(.ascending(\.secondsFromGMT))
-                    )
-            }
-        ),
-        (
-            title: "Time Zones with Summer Time",
-            fetch: { () -> [TimeZone] in
-                
-                return try! Static.timeZonesStack.fetchAll(
-                    From<TimeZone>()
-                        .where(\.hasDaylightSavingTime == true)
-                        .orderBy(.ascending(\.name))
-                )
-            }
-        )
-    ]
-    
-    private let queryingItems: [(title: String, query: () -> Any)] = [
-        (
-            title: "Number of Time Zones",
-            query: { () -> Any in
-                
-                return try! Static.timeZonesStack.queryValue(
-                    From<TimeZone>()
-                        .select(NSNumber.self, .count(\.name))
-                )!
-            }
-        ),
-        (
-            title: "Abbreviation For Tokyo's Time Zone",
-            query: { () -> Any in
-                
-                return try! Static.timeZonesStack.queryValue(
-                    From<TimeZone>()
-                        .select(String.self, .attribute(\.abbreviation))
-                        .where(format: "%K ENDSWITH[c] %@", #keyPath(TimeZone.name), "Tokyo")
-                )!
-            }
-        ),
-        (
-            title: "All Abbreviations",
-            query: { () -> Any in
-                
-                return try! Static.timeZonesStack.queryAttributes(
-                    From<TimeZone>()
-                        .select(
-                            NSDictionary.self,
-                            .attribute(\.name),
-                            .attribute(\.abbreviation)
-                        )
-                        .orderBy(.ascending(\.name))
-                )
-            }
-        ),
-        (
-            title: "Number of Countries per Time Zone",
-            query: { () -> Any in
-                
-                return try! Static.timeZonesStack.queryAttributes(
-                    From<TimeZone>()
-                        .select(
-                            NSDictionary.self,
-                            .count(\.abbreviation),
-                            .attribute(\.abbreviation)
-                        )
-                        .groupBy(\.abbreviation)
-                        .orderBy(
-                            .ascending(\.secondsFromGMT),
-                            .ascending(\.name)
-                        )
-                )
-            }
-        ),
-        (
-            title: "Number of Countries with Summer Time",
-            query: { () -> Any in
-                
-                return try! Static.timeZonesStack.queryAttributes(
-                    From<TimeZone>()
-                        .select(
-                            NSDictionary.self,
-                            .count(\.hasDaylightSavingTime, as: "numberOfCountries"),
-                            .attribute(\.hasDaylightSavingTime)
-                        )
-                        .groupBy(\.hasDaylightSavingTime)
-                        .orderBy(
-                            .descending(\.hasDaylightSavingTime),
-                            .ascending(\.name)
-                        )
-                )
-            }
-        )
-    ]
-    
-    var didAppearOnce = false
-    
-    @IBOutlet dynamic weak var segmentedControl: UISegmentedControl?
-    @IBOutlet dynamic weak var tableView: UITableView?
-    
-    @IBAction dynamic func segmentedControlValueChanged(_ sender: AnyObject?) {
-        
-        self.tableView?.reloadData()
-    }
-}

LegacyDemo/LegacyDemo/Fetching and Querying Demo/FetchingResultsViewController.swift

@@ -1,68 +0,0 @@
-//
-//  FetchingResultsViewController.swift
-//  LegacyDemo
-//
-//  Created by John Rommel Estropia on 2015/06/17.
-//  Copyright © 2018 John Rommel Estropia. All rights reserved.
-//
-
-import UIKit
-
-// MARK: - FetchingResultsViewController
-
-class FetchingResultsViewController: UITableViewController {
-
-    // MARK: Public
-    
-    func set(timeZones: [TimeZone]?, title: String) {
-        
-        self.timeZones += timeZones ?? []
-        self.sectionTitle = title
-        
-        self.tableView?.reloadData()
-    }
-    
-    
-    // MARK: UIViewController
-    
-    override func viewDidLoad() {
-        
-        super.viewDidLoad()
-        
-        self.tableView.estimatedRowHeight = 60
-        self.tableView.rowHeight = UITableView.automaticDimension
-    }
-    
-    
-    // MARK: UITableViewDataSource
-    
-    override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
-        
-        return self.timeZones.count
-    }
-    
-    override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
-        
-        let cell = tableView.dequeueReusableCell(withIdentifier: "UITableViewCell", for: indexPath)
-        
-        let timeZone = self.timeZones[indexPath.row]
-        cell.textLabel?.text = timeZone.name
-        cell.detailTextLabel?.text = timeZone.abbreviation
-        
-        return cell
-    }
-    
-    
-    // MARK: UITableViewDelegate
-    
-    override func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
-        
-        return self.sectionTitle
-    }
-    
-    
-    // MARK: Private
-    
-    var timeZones = [TimeZone]()
-    var sectionTitle: String?
-}

LegacyDemo/LegacyDemo/Fetching and Querying Demo/QueryingResultsViewController.swift

@@ -1,88 +0,0 @@
-//
-//  QueryingResultsViewController.swift
-//  LegacyDemo
-//
-//  Created by John Rommel Estropia on 2015/06/17.
-//  Copyright © 2018 John Rommel Estropia. All rights reserved.
-//
-
-import UIKit
-
-class QueryingResultsViewController: UITableViewController {
-    
-    // MARK: Public
-    
-    func set(value: Any?, title: String) {
-        
-        switch value {
-            
-        case (let array as [Any])?:
-            self.values = array.map { (item: Any) -> (title: String, detail: String) in
-                (
-                    title: String(describing: item),
-                    detail: String(reflecting: type(of: item))
-                )
-            }
-            
-        case let item?:
-            self.values = [
-                (
-                    title: String(describing: item),
-                    detail: String(reflecting: type(of: item))
-                )
-            ]
-            
-        default:
-            self.values = []
-        }
-        
-        self.sectionTitle = title
-        
-        self.tableView?.reloadData()
-    }
-    
-    
-    // MARK: UIViewController
-    
-    override func viewDidLoad() {
-        
-        super.viewDidLoad()
-        
-        self.tableView.estimatedRowHeight = 60
-        self.tableView.rowHeight = UITableView.automaticDimension
-    }
-    
-    
-    // MARK: UITableViewDataSource
-    
-    override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
-        
-        return self.values.count
-    }
-    
-    override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
-        
-        let cell = tableView.dequeueReusableCell(withIdentifier: "UITableViewCell", for: indexPath)
-        
-        let value = self.values[indexPath.row]
-        
-        cell.textLabel?.text = value.title
-        cell.detailTextLabel?.text = value.detail
-        
-        return cell
-    }
-    
-    
-    // MARK: UITableViewDelegate
-    
-    override func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
-        
-        return self.sectionTitle
-    }
-    
-    
-    // MARK: Private
-    
-    var values: [(title: String, detail: String)] = []
-    var sectionTitle: String?
-}

LegacyDemo/LegacyDemo/Fetching and Querying Demo/TimeZone.swift

@@ -1,20 +0,0 @@
-//
-//  TimeZone.swift
-//  LegacyDemo
-//
-//  Created by John Rommel Estropia on 2015/06/15.
-//  Copyright © 2018 John Rommel Estropia. All rights reserved.
-//
-
-import Foundation
-import CoreData
-
-class TimeZone: NSManagedObject {
-
-    @NSManaged var secondsFromGMT: Int32
-    @NSManaged var abbreviation: String
-    @NSManaged var hasDaylightSavingTime: Bool
-    @NSManaged var daylightSavingTimeOffset: Double
-    @NSManaged var name: String
-
-}

LegacyDemo/LegacyDemo/Images.xcassets/AppIcon.appiconset/Contents.json

@@ -1,114 +0,0 @@
-{
-  "images" : [
-    {
-      "idiom" : "iphone",
-      "size" : "20x20",
-      "scale" : "2x"
-    },
-    {
-      "idiom" : "iphone",
-      "size" : "20x20",
-      "scale" : "3x"
-    },
-    {
-      "idiom" : "iphone",
-      "size" : "29x29",
-      "scale" : "2x"
-    },
-    {
-      "idiom" : "iphone",
-      "size" : "29x29",
-      "scale" : "3x"
-    },
-    {
-      "idiom" : "iphone",
-      "size" : "40x40",
-      "scale" : "2x"
-    },
-    {
-      "idiom" : "iphone",
-      "size" : "40x40",
-      "scale" : "3x"
-    },
-    {
-      "size" : "60x60",
-      "idiom" : "iphone",
-      "filename" : "Icon-60@2x.png",
-      "scale" : "2x"
-    },
-    {
-      "size" : "60x60",
-      "idiom" : "iphone",
-      "filename" : "Icon-60@3x-1.png",
-      "scale" : "3x"
-    },
-    {
-      "idiom" : "ipad",
-      "size" : "20x20",
-      "scale" : "1x"
-    },
-    {
-      "idiom" : "ipad",
-      "size" : "20x20",
-      "scale" : "2x"
-    },
-    {
-      "idiom" : "ipad",
-      "size" : "29x29",
-      "scale" : "1x"
-    },
-    {
-      "idiom" : "ipad",
-      "size" : "29x29",
-      "scale" : "2x"
-    },
-    {
-      "idiom" : "ipad",
-      "size" : "40x40",
-      "scale" : "1x"
-    },
-    {
-      "idiom" : "ipad",
-      "size" : "40x40",
-      "scale" : "2x"
-    },
-    {
-      "size" : "76x76",
-      "idiom" : "ipad",
-      "filename" : "Icon-76.png",
-      "scale" : "1x"
-    },
-    {
-      "size" : "76x76",
-      "idiom" : "ipad",
-      "filename" : "Icon-76@2x.png",
-      "scale" : "2x"
-    },
-    {
-      "idiom" : "ipad",
-      "size" : "83.5x83.5",
-      "scale" : "2x"
-    },
-    {
-      "size" : "1024x1024",
-      "idiom" : "ios-marketing",
-      "filename" : "Mask + Oval 1 + Oval 1 + Oval 1.png",
-      "scale" : "1x"
-    },
-    {
-      "idiom" : "car",
-      "size" : "60x60",
-      "scale" : "2x"
-    },
-    {
-      "size" : "60x60",
-      "idiom" : "car",
-      "filename" : "Icon-60@3x.png",
-      "scale" : "3x"
-    }
-  ],
-  "info" : {
-    "version" : 1,
-    "author" : "xcode"
-  }
-}

LegacyDemo/LegacyDemo/Images.xcassets/Contents.json

@@ -1,6 +0,0 @@
-{
-  "info" : {
-    "version" : 1,
-    "author" : "xcode"
-  }
-}

LegacyDemo/LegacyDemo/Images.xcassets/CoreStoreIcon.imageset/Contents.json

@@ -1,21 +0,0 @@
-{
-  "images" : [
-    {
-      "idiom" : "universal",
-      "scale" : "1x"
-    },
-    {
-      "idiom" : "universal",
-      "filename" : "CoreStoreIcon@2x.png",
-      "scale" : "2x"
-    },
-    {
-      "idiom" : "universal",
-      "scale" : "3x"
-    }
-  ],
-  "info" : {
-    "version" : 1,
-    "author" : "xcode"
-  }
-}

LegacyDemo/LegacyDemo/Images.xcassets/first.imageset/Contents.json

@@ -1,12 +0,0 @@
-{
-  "images" : [
-    {
-      "idiom" : "universal",
-      "filename" : "first.pdf"
-    }
-  ],
-  "info" : {
-    "version" : 1,
-    "author" : "xcode"
-  }
-}

LegacyDemo/LegacyDemo/Images.xcassets/second.imageset/Contents.json

@@ -1,12 +0,0 @@
-{
-  "images" : [
-    {
-      "idiom" : "universal",
-      "filename" : "second.pdf"
-    }
-  ],
-  "info" : {
-    "version" : 1,
-    "author" : "xcode"
-  }
-}

LegacyDemo/LegacyDemo/Info.plist

@@ -1,56 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-	<key>CFBundleDevelopmentRegion</key>
-	<string>en</string>
-	<key>CFBundleDisplayName</key>
-	<string>CoreStore</string>
-	<key>CFBundleExecutable</key>
-	<string>$(EXECUTABLE_NAME)</string>
-	<key>CFBundleIdentifier</key>
-	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
-	<key>CFBundleInfoDictionaryVersion</key>
-	<string>6.0</string>
-	<key>CFBundleName</key>
-	<string>$(PRODUCT_NAME)</string>
-	<key>CFBundlePackageType</key>
-	<string>APPL</string>
-	<key>CFBundleShortVersionString</key>
-	<string>6.3.2</string>
-	<key>CFBundleSignature</key>
-	<string>????</string>
-	<key>CFBundleVersion</key>
-	<string>4</string>
-	<key>LSRequiresIPhoneOS</key>
-	<true/>
-	<key>UILaunchStoryboardName</key>
-	<string>LaunchScreen</string>
-	<key>UIMainStoryboardFile</key>
-	<string>Main</string>
-	<key>UIRequiredDeviceCapabilities</key>
-	<array>
-		<string>armv7</string>
-	</array>
-	<key>UIStatusBarStyle</key>
-	<string>UIStatusBarStyleLightContent</string>
-	<key>UIStatusBarTintParameters</key>
-	<dict>
-		<key>UINavigationBar</key>
-		<dict>
-			<key>Style</key>
-			<string>UIBarStyleDefault</string>
-			<key>Translucent</key>
-			<false/>
-		</dict>
-	</dict>
-	<key>UISupportedInterfaceOrientations</key>
-	<array>
-		<string>UIInterfaceOrientationPortrait</string>
-	</array>
-	<key>UIUserInterfaceStyle</key>
-	<string>Light</string>
-	<key>UIViewControllerBasedStatusBarAppearance</key>
-	<false/>
-</dict>
-</plist>

LegacyDemo/LegacyDemo/LegacyDemo.xcdatamodeld/LegacyDemo.xcdatamodel/contents

@@ -1,26 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<model type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="15702" systemVersion="18G1012" minimumToolsVersion="Xcode 7.3" sourceLanguage="Objective-C" userDefinedModelVersionIdentifier="">
-    <entity name="Place" representedClassName="LegacyDemo.Place" syncable="YES">
-        <attribute name="latitude" optional="YES" attributeType="Double" defaultValueString="0.0" usesScalarValueType="NO" syncable="YES"/>
-        <attribute name="longitude" optional="YES" attributeType="Double" defaultValueString="0.0" usesScalarValueType="NO" syncable="YES"/>
-        <attribute name="subtitle" optional="YES" attributeType="String" syncable="YES"/>
-        <attribute name="title" optional="YES" attributeType="String" syncable="YES"/>
-    </entity>
-    <entity name="TimeZone" representedClassName="LegacyDemo.TimeZone" syncable="YES">
-        <attribute name="abbreviation" optional="YES" attributeType="String" syncable="YES"/>
-        <attribute name="daylightSavingTimeOffset" optional="YES" attributeType="Double" defaultValueString="0.0" usesScalarValueType="NO" syncable="YES"/>
-        <attribute name="hasDaylightSavingTime" optional="YES" attributeType="Boolean" usesScalarValueType="NO" syncable="YES"/>
-        <attribute name="name" optional="YES" attributeType="String" syncable="YES"/>
-        <attribute name="secondsFromGMT" optional="YES" attributeType="Integer 32" defaultValueString="0.0" usesScalarValueType="NO" syncable="YES"/>
-    </entity>
-    <configuration name="FetchingAndQueryingDemo">
-        <memberEntity name="TimeZone"/>
-    </configuration>
-    <configuration name="TransactionsDemo">
-        <memberEntity name="Place"/>
-    </configuration>
-    <elements>
-        <element name="Place" positionX="261" positionY="225" width="128" height="103"/>
-        <element name="TimeZone" positionX="297" positionY="270" width="128" height="120"/>
-    </elements>
-</model>

LegacyDemo/LegacyDemo/List and Object Observers Demo/CollectionViewDemoViewController.swift

@@ -1,168 +0,0 @@
-//
-//  CollectionViewDemoViewController.swift
-//  LegacyDemo
-//
-//  Created by John Estropia on 2019/10/17.
-//  Copyright © 2019 John Rommel Estropia. All rights reserved.
-//
-
-import UIKit
-import CoreStore
-
-
-// MARK: - CollectionViewDemoViewController
-
-final class CollectionViewDemoViewController: UICollectionViewController {
-
-    // MARK: UIViewController
-
-    override func viewDidLoad() {
-
-        super.viewDidLoad()
-
-        let navigationItem = self.navigationItem
-        navigationItem.leftBarButtonItems = [
-            self.editButtonItem,
-            UIBarButtonItem(
-                barButtonSystemItem: .trash,
-                target: self,
-                action: #selector(self.resetBarButtonItemTouched(_:))
-            )
-        ]
-
-        let filterBarButton = UIBarButtonItem(
-            title: ColorsDemo.filter.rawValue,
-            style: .plain,
-            target: self,
-            action: #selector(self.filterBarButtonItemTouched(_:))
-        )
-        navigationItem.rightBarButtonItems = [
-            UIBarButtonItem(
-                barButtonSystemItem: .add,
-                target: self,
-                action: #selector(self.addBarButtonItemTouched(_:))
-            ),
-            UIBarButtonItem(
-                barButtonSystemItem: .refresh,
-                target: self,
-                action: #selector(self.shuffleBarButtonItemTouched(_:))
-            ),
-            filterBarButton
-        ]
-        self.filterBarButton = filterBarButton
-
-        self.dataSource = DiffableDataSource.CollectionViewAdapter<Palette>(
-            collectionView: self.collectionView,
-            dataStack: ColorsDemo.stack,
-            cellProvider: { (collectionView, indexPath, palette) in
-
-                let cell = collectionView.dequeueReusableCell(withReuseIdentifier: "PaletteCollectionViewCell", for: indexPath) as! PaletteCollectionViewCell
-                cell.colorView?.backgroundColor = palette.color
-                cell.label?.text = palette.colorText
-                return cell
-            },
-            supplementaryViewProvider: { (collectionView, kind, indexPath) in
-
-                switch kind {
-
-                case UICollectionView.elementKindSectionHeader:
-                    let view = collectionView.dequeueReusableSupplementaryView(ofKind: kind, withReuseIdentifier: "PaletteCollectionSectionHeaderView", for: indexPath) as! PaletteCollectionSectionHeaderView
-                    view.label?.text = ColorsDemo.palettes.snapshot.sectionIDs[indexPath.section]
-                    return view
-
-                default:
-                    return nil
-                }
-            }
-        )
-        ColorsDemo.palettes.addObserver(self) { [weak self] (listPublisher) in
-
-            guard let self = self else {
-
-                return
-            }
-            self.filterBarButton?.title = ColorsDemo.filter.rawValue
-            self.dataSource?.apply(listPublisher.snapshot, animatingDifferences: true)
-        }
-        self.dataSource?.apply(ColorsDemo.palettes.snapshot, animatingDifferences: false)
-    }
-
-    override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
-
-        super.prepare(for: segue, sender: sender)
-
-        switch (segue.identifier, segue.destination, sender) {
-
-        case ("ObjectObserverDemoViewController"?, let destinationViewController as ObjectObserverDemoViewController, let palette as ObjectPublisher<Palette>):
-            destinationViewController.setPalette(palette)
-
-        default:
-            break
-        }
-    }
-
-
-    // MARK: UICollectionViewDelegate
-
-    override func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
-
-        collectionView.deselectItem(at: indexPath, animated: true)
-
-        self.performSegue(
-            withIdentifier: "ObjectObserverDemoViewController",
-            sender: ColorsDemo.palettes.snapshot[indexPath]
-        )
-    }
-
-
-    // MARK: Private
-
-    private var filterBarButton: UIBarButtonItem?
-    private var dataSource: DiffableDataSource.CollectionViewAdapter<Palette>?
-
-    deinit {
-
-        ColorsDemo.palettes.removeObserver(self)
-    }
-
-    @IBAction private dynamic func resetBarButtonItemTouched(_ sender: AnyObject?) {
-
-        ColorsDemo.stack.perform(
-            asynchronous: { (transaction) in
-
-                try transaction.deleteAll(From<Palette>())
-            },
-            completion: { _ in }
-        )
-    }
-
-    @IBAction private dynamic func filterBarButtonItemTouched(_ sender: AnyObject?) {
-
-        ColorsDemo.filter = ColorsDemo.filter.next()
-    }
-
-    @IBAction private dynamic func addBarButtonItemTouched(_ sender: AnyObject?) {
-
-        ColorsDemo.stack.perform(
-            asynchronous: { (transaction) in
-
-                _ = transaction.create(Into<Palette>())
-            },
-            completion: { _ in }
-        )
-    }
-
-    @IBAction private dynamic func shuffleBarButtonItemTouched(_ sender: AnyObject?) {
-        ColorsDemo.stack.perform(
-            asynchronous: { (transaction) in
-
-                for palette in try transaction.fetchAll(From<Palette>()) {
-
-                    palette.hue = Palette.randomHue()
-                    palette.colorName = nil
-                }
-            },
-            completion: { _ in }
-        )
-    }
-}

LegacyDemo/LegacyDemo/List and Object Observers Demo/ColorsDemo.swift

@@ -1,88 +0,0 @@
-//
-//  ColorsDemo.swift
-//  LegacyDemo
-//
-//  Created by John Rommel Estropia on 2019/10/17.
-//  Copyright © 2019 John Rommel Estropia. All rights reserved.
-//
-
-import Foundation
-import CoreStore
-
-
-// MARK: - ColorsDemo
-
-struct ColorsDemo {
-    
-    enum Filter: String {
-        
-        case all = "All Colors"
-        case light = "Light Colors"
-        case dark = "Dark Colors"
-        
-        func next() -> Filter {
-            
-            switch self {
-                
-            case .all: return .light
-            case .light: return .dark
-            case .dark: return .all
-            }
-        }
-        
-        func whereClause() -> Where<Palette> {
-            
-            switch self {
-                
-            case .all: return .init()
-            case .light: return (\Palette.$brightness >= 0.9)
-            case .dark: return (\Palette.$brightness <= 0.4)
-            }
-        }
-    }
-    
-    static var filter = Filter.all {
-        
-        didSet {
-            
-            try! self.palettes.refetch(
-                From<Palette>()
-                    .sectionBy(\.$colorName)
-                    .where(self.filter.whereClause())
-                    .orderBy(.ascending(\.$hue))
-            )
-        }
-    }
-    
-    static let stack: DataStack = {
-     
-        let dataStack = DataStack(
-            CoreStoreSchema(
-                modelVersion: "ColorsDemo",
-                entities: [
-                    Entity<Palette>("Palette"),
-                ],
-                versionLock: [
-                    "Palette": [0x8c25aa53c7c90a28, 0xa243a34d25f1a3a7, 0x56565b6935b6055a, 0x4f988bb257bf274f]
-                ]
-            )
-        )
-
-        try! dataStack.addStorageAndWait(
-            SQLiteStore(
-                fileName: "ColorsDemo.sqlite",
-                localStorageOptions: .recreateStoreOnModelMismatch
-            )
-        )
-        return dataStack
-    }()
-    
-    static let palettes: ListPublisher<Palette> = {
-
-        return ColorsDemo.stack.publishList(
-            From<Palette>()
-                .sectionBy(\.$colorName)
-                .orderBy(.ascending(\.$hue))
-        )
-    }()
-}

LegacyDemo/LegacyDemo/List and Object Observers Demo/ListObserverDemoViewController.swift

@@ -1,181 +0,0 @@
-//
-//  ListObserverDemoViewController.swift
-//  LegacyDemo
-//
-//  Created by John Rommel Estropia on 2015/05/02.
-//  Copyright © 2018 John Rommel Estropia. All rights reserved.
-//
-
-import UIKit
-import CoreStore
-
-
-// MARK: - ListObserverDemoViewController
-
-final class ListObserverDemoViewController: UITableViewController {
-
-    // MARK: - EditableDataSource
-
-    final class EditableDataSource: DiffableDataSource.TableViewAdapter<Palette> {
-
-        override func tableView(_ tableView: UITableView, commit editingStyle: UITableViewCell.EditingStyle, forRowAt indexPath: IndexPath) {
-
-            switch editingStyle {
-
-            case .delete:
-                let palette = ColorsDemo.palettes.snapshot[indexPath]
-                ColorsDemo.stack.perform(
-                    asynchronous: { (transaction) in
-
-                        transaction.delete(palette)
-                    },
-                    completion: { _ in }
-                )
-
-            default:
-                break
-            }
-        }
-    }
-
-    
-    // MARK: UIViewController
-
-    override func viewDidLoad() {
-        
-        super.viewDidLoad()
-        
-        let navigationItem = self.navigationItem
-        navigationItem.leftBarButtonItems = [
-            self.editButtonItem,
-            UIBarButtonItem(
-                barButtonSystemItem: .trash,
-                target: self,
-                action: #selector(self.resetBarButtonItemTouched(_:))
-            )
-        ]
-        
-        let filterBarButton = UIBarButtonItem(
-            title: ColorsDemo.filter.rawValue,
-            style: .plain,
-            target: self,
-            action: #selector(self.filterBarButtonItemTouched(_:))
-        )
-        navigationItem.rightBarButtonItems = [
-            UIBarButtonItem(
-                barButtonSystemItem: .add,
-                target: self,
-                action: #selector(self.addBarButtonItemTouched(_:))
-            ),
-            UIBarButtonItem(
-                barButtonSystemItem: .refresh,
-                target: self,
-                action: #selector(self.shuffleBarButtonItemTouched(_:))
-            ),
-            filterBarButton
-        ]
-        self.filterBarButton = filterBarButton
-
-        self.dataSource = EditableDataSource(
-            tableView: self.tableView,
-            dataStack: ColorsDemo.stack,
-            cellProvider: { (tableView, indexPath, palette) in
-                
-                let cell = tableView.dequeueReusableCell(withIdentifier: "PaletteTableViewCell") as! PaletteTableViewCell
-                cell.colorView?.backgroundColor = palette.color
-                cell.label?.text = palette.colorText
-                return cell
-            }
-        )
-        ColorsDemo.palettes.addObserver(self) { [weak self] (listPublisher) in
-            
-            guard let self = self else {
-                
-                return
-            }
-            self.filterBarButton?.title = ColorsDemo.filter.rawValue
-            self.dataSource?.apply(listPublisher.snapshot, animatingDifferences: true)
-        }
-        self.dataSource?.apply(ColorsDemo.palettes.snapshot, animatingDifferences: false)
-    }
-    
-    override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
-        
-        super.prepare(for: segue, sender: sender)
-        
-        switch (segue.identifier, segue.destination, sender) {
-            
-        case ("ObjectObserverDemoViewController"?, let destinationViewController as ObjectObserverDemoViewController, let palette as ObjectPublisher<Palette>):
-            destinationViewController.setPalette(palette)
-            
-        default:
-            break
-        }
-    }
-    
-    
-    // MARK: UITableViewDelegate
-    
-    override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
-        
-        tableView.deselectRow(at: indexPath, animated: true)
-        
-        self.performSegue(
-            withIdentifier: "ObjectObserverDemoViewController",
-            sender: ColorsDemo.palettes.snapshot[indexPath]
-        )
-    }
-    
-    
-    // MARK: Private
-    
-    private var filterBarButton: UIBarButtonItem?
-    private var dataSource: DiffableDataSource.TableViewAdapter<Palette>?
-    
-    deinit {
-        
-        ColorsDemo.palettes.removeObserver(self)
-    }
-    
-    @IBAction private dynamic func resetBarButtonItemTouched(_ sender: AnyObject?) {
-        
-        ColorsDemo.stack.perform(
-            asynchronous: { (transaction) in
-                
-                try transaction.deleteAll(From<Palette>())
-            },
-            completion: { _ in }
-        )
-    }
-    
-    @IBAction private dynamic func filterBarButtonItemTouched(_ sender: AnyObject?) {
-        
-        ColorsDemo.filter = ColorsDemo.filter.next()
-    }
-    
-    @IBAction private dynamic func addBarButtonItemTouched(_ sender: AnyObject?) {
-        
-        ColorsDemo.stack.perform(
-            asynchronous: { (transaction) in
-                
-                _ = transaction.create(Into<Palette>())
-            },
-            completion: { _ in }
-        )
-    }
-
-    @IBAction private dynamic func shuffleBarButtonItemTouched(_ sender: AnyObject?) {
-        ColorsDemo.stack.perform(
-            asynchronous: { (transaction) in
-
-                for palette in try transaction.fetchAll(From<Palette>()) {
-
-                    palette.hue = Palette.randomHue()
-                    palette.colorName = nil
-                }
-            },
-            completion: { _ in }
-        )
-    }
-}
-

LegacyDemo/LegacyDemo/List and Object Observers Demo/ObjectObserverDemoViewController.swift

@@ -1,192 +0,0 @@
-//
-//  ObjectObserverDemoViewController.swift
-//  LegacyDemo
-//
-//  Created by John Rommel Estropia on 2015/05/06.
-//  Copyright © 2018 John Rommel Estropia. All rights reserved.
-//
-
-import UIKit
-import CoreStore
-
-
-// MARK: - ObjectObserverDemoViewController
-
-class ObjectObserverDemoViewController: UIViewController, ObjectObserver {
-    
-    func setPalette<O: ObjectRepresentation>(_ newValue: O?) where O.ObjectType == Palette {
-        
-        guard self.monitor?.object?.objectID() != newValue?.objectID() else {
-            
-            return
-        }
-        if let newValue = newValue {
-            
-            self.monitor = newValue.asReadOnly(in: ColorsDemo.stack).map(ColorsDemo.stack.monitorObject(_:))
-        }
-        else {
-            
-            self.monitor = nil
-        }
-    }
-    
-    
-    // MARK: NSObject
-    
-    deinit {
-        
-        self.monitor?.removeObserver(self)
-    }
-    
-
-    // MARK: UIViewController
-    
-    required init?(coder aDecoder: NSCoder) {
-        
-        if let palette = try! ColorsDemo.stack.fetchOne(From<Palette>().orderBy(.ascending(\.$hue))) {
-            
-            self.monitor = ColorsDemo.stack.monitorObject(palette)
-        }
-        else {
-            
-            _ = try? ColorsDemo.stack.perform(
-                synchronous: { (transaction) in
-                    
-                    _ = transaction.create(Into<Palette>())
-                }
-            )
-            
-            let palette = try! ColorsDemo.stack.fetchOne(From<Palette>().orderBy(.ascending(\.$hue)))!
-            self.monitor = ColorsDemo.stack.monitorObject(palette)
-        }
-        
-        super.init(coder: aDecoder)
-    }
-    
-    override func viewDidLoad() {
-        
-        super.viewDidLoad()
-        self.monitor?.addObserver(self)
-        
-        if let palette = self.monitor?.object {
-            
-            self.reloadPaletteInfo(palette, changedKeys: nil)
-        }
-    }
-    
-    
-    // MARK: ObjectObserver
-    
-    func objectMonitor(_ monitor: ObjectMonitor<Palette>, didUpdateObject object: Palette, changedPersistentKeys: Set<KeyPathString>) {
-        
-        self.reloadPaletteInfo(object, changedKeys: changedPersistentKeys)
-    }
-    
-    func objectMonitor(_ monitor: ObjectMonitor<Palette>, didDeleteObject object: Palette) {
-        
-        self.navigationItem.rightBarButtonItem?.isEnabled = false
-        
-        self.colorNameLabel?.alpha = 0.3
-        self.colorView?.alpha = 0.3
-        
-        self.hsbLabel?.text = "Deleted"
-        self.hsbLabel?.textColor = UIColor.red
-        
-        self.hueSlider?.isEnabled = false
-        self.saturationSlider?.isEnabled = false
-        self.brightnessSlider?.isEnabled = false
-    }
-
-    
-    // MARK: Private
-    
-    var monitor: ObjectMonitor<Palette>?
-    
-    @IBOutlet weak var colorNameLabel: UILabel?
-    @IBOutlet weak var colorView: UIView?
-    @IBOutlet weak var hsbLabel: UILabel?
-    @IBOutlet weak var dateLabel: UILabel?
-    @IBOutlet weak var hueSlider: UISlider?
-    @IBOutlet weak var saturationSlider: UISlider?
-    @IBOutlet weak var brightnessSlider: UISlider?
-    
-    @IBAction dynamic func hueSliderValueDidChange(_ sender: AnyObject?) {
-        
-        let hue = self.hueSlider?.value ?? 0
-        ColorsDemo.stack.perform(
-            asynchronous: { [weak self] (transaction) in
-                
-                if let palette = transaction.edit(self?.monitor?.object) {
-                    
-                    palette.hue = Int(hue)
-                }
-            },
-            completion: { _ in }
-        )
-    }
-    
-    @IBAction dynamic func saturationSliderValueDidChange(_ sender: AnyObject?) {
-        
-        let saturation = self.saturationSlider?.value ?? 0
-        ColorsDemo.stack.perform(
-            asynchronous: { [weak self] (transaction) in
-                
-                if let palette = transaction.edit(self?.monitor?.object) {
-                    
-                    palette.saturation = saturation
-                }
-            },
-            completion: { _ in }
-        )
-    }
-    
-    @IBAction dynamic func brightnessSliderValueDidChange(_ sender: AnyObject?) {
-        
-        let brightness = self.brightnessSlider?.value ?? 0
-        ColorsDemo.stack.perform(
-            asynchronous: { [weak self] (transaction) in
-                
-                if let palette = transaction.edit(self?.monitor?.object) {
-                    
-                    palette.brightness = brightness
-                }
-            },
-            completion: { _ in }
-        )
-    }
-    
-    @IBAction dynamic func deleteBarButtonTapped(_ sender: AnyObject?) {
-        
-        ColorsDemo.stack.perform(
-            asynchronous: { [weak self] (transaction) in
-                
-                transaction.delete(self?.monitor?.object)
-            },
-            completion: { _ in }
-        )
-    }
-    
-    func reloadPaletteInfo(_ palette: Palette, changedKeys: Set<String>?) {
-        
-        self.colorNameLabel?.text = palette.colorName
-        
-        let color = palette.color
-        self.colorNameLabel?.textColor = color
-        self.colorView?.backgroundColor = color
-        
-        self.hsbLabel?.text = palette.colorText
-        
-        if changedKeys == nil || changedKeys?.contains(String(keyPath: \Palette.$hue)) == true {
-            
-            self.hueSlider?.value = Float(palette.hue)
-        }
-        if changedKeys == nil || changedKeys?.contains(String(keyPath: \Palette.$saturation)) == true {
-            
-            self.saturationSlider?.value = palette.saturation
-        }
-        if changedKeys == nil || changedKeys?.contains(String(keyPath: \Palette.$brightness)) == true {
-            
-            self.brightnessSlider?.value = palette.brightness
-        }
-    }
-}

LegacyDemo/LegacyDemo/List and Object Observers Demo/ObserversViewController.swift

@@ -1,59 +0,0 @@
-//
-//  ObserversViewController.swift
-//  LegacyDemo
-//
-//  Created by John Rommel Estropia on 2015/05/24.
-//  Copyright © 2018 John Rommel Estropia. All rights reserved.
-//
-
-import UIKit
-
-
-// MARK: - ObserversViewController
-
-class ObserversViewController: UIViewController {
-    
-    // MARK: UIViewController
-    
-    override func viewDidAppear(_ animated: Bool) {
-        
-        super.viewDidAppear(animated)
-        
-        let alert = UIAlertController(
-            title: "Observers Demo",
-            message: "This demo shows how to observe changes to a list of objects. The top and bottom view controllers both observe a single shared \"ListMonitor\" instance.\n\nTap on a row to see how to observe changes made to a single object using a \"ObjectMonitor\".",
-            preferredStyle: .alert
-        )
-        alert.addAction(UIAlertAction(title: "OK", style: .cancel, handler: nil))
-        self.present(alert, animated: true, completion: nil)
-    }
-    
-    
-    // MARK: Private
-
-    @IBOutlet private dynamic weak var toggleTopBarButtonItem: UIBarButtonItem?
-    @IBOutlet private dynamic weak var toggleBottomBarButtonItem: UIBarButtonItem?
-    @IBOutlet private dynamic weak var stackView: UIStackView?
-    @IBOutlet private dynamic weak var topContainerView: UIView?
-    @IBOutlet private dynamic weak var bottomContainerView: UIView?
-    
-    @IBAction private dynamic func toggleTopContainerView() {
-
-        UIView.animate(withDuration: 0.2) {
-
-            self.topContainerView!.isHidden.toggle()
-        }
-        self.toggleTopBarButtonItem!.isEnabled = !self.bottomContainerView!.isHidden
-        self.toggleBottomBarButtonItem!.isEnabled = !self.topContainerView!.isHidden
-    }
-    
-    @IBAction private dynamic func toggleBottomContainerView() {
-
-        UIView.animate(withDuration: 0.2) {
-
-            self.bottomContainerView!.isHidden.toggle()
-        }
-        self.toggleTopBarButtonItem!.isEnabled = !self.bottomContainerView!.isHidden
-        self.toggleBottomBarButtonItem!.isEnabled = !self.topContainerView!.isHidden
-    }
-}

LegacyDemo/LegacyDemo/List and Object Observers Demo/Palette.swift

@@ -1,86 +0,0 @@
-//
-//  Palette.swift
-//  LegacyDemo
-//
-//  Created by John Rommel Estropia on 2015/05/05.
-//  Copyright © 2018 John Rommel Estropia. All rights reserved.
-//
-
-import Foundation
-import UIKit
-import CoreData
-import CoreStore
-
-
-// MARK: - Palette
-
-final class Palette: CoreStoreObject {
-    
-    @Field.Stored(
-        "hue",
-        dynamicInitialValue: { Palette.randomHue() }
-    )
-    var hue: Int
-
-    @Field.Stored("saturation")
-    var saturation: Float = 1
-    
-    @Field.Stored(
-        "brightness",
-        dynamicInitialValue: { Palette.randomBrightness() }
-    )
-    var brightness: Float
-    
-    @Field.Virtual(
-        "colorName",
-        customGetter: { object, field in
-            if let colorName = field.primitiveValue {
-                return colorName
-            }
-            let colorName: String
-            switch object.$hue.value {
-            case 0 ..< 20: colorName = "Lower Reds"
-            case 20 ..< 57: colorName = "Oranges and Browns"
-            case 57 ..< 90: colorName = "Yellow-Greens"
-            case 90 ..< 159: colorName = "Greens"
-            case 159 ..< 197: colorName = "Blue-Greens"
-            case 197 ..< 241: colorName = "Blues"
-            case 241 ..< 297: colorName = "Violets"
-            case 297 ..< 331: colorName = "Magentas"
-            case 331 ..< 360: colorName = "Upper Reds"
-            default: colorName = "<Invalid>"
-            }
-            field.primitiveValue = colorName
-            return colorName
-        }
-    )
-    var colorName: String!
-    
-    static func randomHue() -> Int {
-        
-        return Int.random(in: 0 ..< 360)
-    }
-    
-    static func randomBrightness() -> Float {
-        
-        return (Float.random(in: 0 ..< 70) + 30) / 100.0
-    }
-}
-
-extension Palette {
-    
-    var color: UIColor {
-        
-        return UIColor(
-            hue: CGFloat(self.hue) / 360.0,
-            saturation: CGFloat(self.saturation),
-            brightness: CGFloat(self.brightness),
-            alpha: 1.0
-        )
-    }
-    
-    var colorText: String {
-        
-        return "H: \(self.hue)˚, S: \(round(self.saturation * 100.0))%, B: \(round(self.brightness * 100.0))%"
-    }
-}

LegacyDemo/LegacyDemo/List and Object Observers Demo/PaletteCollectionSectionHeaderView.swift

@@ -1,17 +0,0 @@
-//
-//  PaletteCollectionSectionHeaderView.swift
-//  LegacyDemo
-//
-//  Created by John Estropia on 2019/10/17.
-//  Copyright © 2019 John Rommel Estropia. All rights reserved.
-//
-
-import UIKit
-
-
-// MARK: - PaletteCollectionSectionHeaderView
-
-final class PaletteCollectionSectionHeaderView: UICollectionReusableView {
-
-    @IBOutlet weak var label: UILabel?
-}

LegacyDemo/LegacyDemo/List and Object Observers Demo/PaletteCollectionViewCell.swift

@@ -1,18 +0,0 @@
-//
-//  PaletteCollectionViewCell.swift
-//  LegacyDemo
-//
-//  Created by John Estropia on 2019/10/17.
-//  Copyright © 2019 John Rommel Estropia. All rights reserved.
-//
-
-import UIKit
-
-
-// MARK: - PaletteCollectionViewCell
-
-final class PaletteCollectionViewCell: UICollectionViewCell {
-
-    @IBOutlet weak var colorView: UIView?
-    @IBOutlet weak var label: UILabel?
-}

LegacyDemo/LegacyDemo/List and Object Observers Demo/PaletteTableViewCell.swift

@@ -1,18 +0,0 @@
-//
-//  PaletteTableViewCell.swift
-//  LegacyDemo
-//
-//  Created by John Rommel Estropia on 2015/05/05.
-//  Copyright © 2018 John Rommel Estropia. All rights reserved.
-//
-
-import UIKit
-
-
-// MARK: - PaletteTableViewCell
-
-final class PaletteTableViewCell: UITableViewCell {
-    
-    @IBOutlet weak var colorView: UIView?
-    @IBOutlet weak var label: UILabel?
-}

LegacyDemo/LegacyDemo/Loggers Demo/CustomLoggerViewController.swift

@@ -1,126 +0,0 @@
-//
-//  CustomLoggerViewController.swift
-//  LegacyDemo
-//
-//  Created by John Rommel Estropia on 2015/06/05.
-//  Copyright © 2018 John Rommel Estropia. All rights reserved.
-//
-
-import UIKit
-import CoreStore
-
-
-// MARK: - CustomLoggerViewController
-
-class CustomLoggerViewController: UIViewController, CoreStoreLogger {
-    
-    // MARK: NSObject
-    
-    let dataStack = DataStack()
-    
-    // MARK: UIViewController
-
-    override func viewDidLoad() {
-        
-        super.viewDidLoad()
-        
-        try! self.dataStack.addStorageAndWait(SQLiteStore(fileName: "emptyStore.sqlite"))
-    }
-    
-    override func viewDidAppear(_ animated: Bool) {
-        
-        super.viewDidAppear(animated)
-
-        CoreStoreDefaults.logger = self
-
-        let alert = UIAlertController(
-            title: "Logger Demo",
-            message: "This demo shows how to plug-in any logging framework to CoreStore.\n\nThe view controller implements CoreStoreLogger and appends all logs to the text view.",
-            preferredStyle: .alert
-        )
-        alert.addAction(UIAlertAction(title: "OK", style: .cancel, handler: nil))
-        self.present(alert, animated: true, completion: nil)
-    }
-
-    override func viewDidDisappear(_ animated: Bool) {
-
-        super.viewDidDisappear(animated)
-
-        CoreStoreDefaults.logger = DefaultLogger()
-    }
-
-    
-    // MARK: CoreStoreLogger
-    
-    func log(level: LogLevel, message: String, fileName: StaticString, lineNumber: Int, functionName: StaticString) {
-        
-        DispatchQueue.main.async { [weak self] in
-            
-            let levelString: String
-            switch level {
-                
-            case .trace: levelString = "Trace"
-            case .notice: levelString = "Notice"
-            case .warning: levelString = "Warning"
-            case .fatal: levelString = "Fatal"
-            }
-            self?.textView?.insertText("\((String(describing: fileName) as NSString).lastPathComponent):\(lineNumber) \(functionName)\n  ↪︎ [Log:\(levelString)] \(message)\n\n")
-        }
-    }
-    
-    func log(error: CoreStoreError, message: String, fileName: StaticString, lineNumber: Int, functionName: StaticString) {
-        
-        DispatchQueue.main.async { [weak self] in
-            
-            self?.textView?.insertText("\((String(describing: fileName) as NSString).lastPathComponent):\(lineNumber) \(functionName)\n  ↪︎ [Error] \(message): \(error)\n\n")
-        }
-    }
-    
-    func assert(_ condition: @autoclosure () -> Bool, message: @autoclosure () -> String, fileName: StaticString, lineNumber: Int, functionName: StaticString) {
-        
-        if condition() {
-            
-            return
-        }
-        
-        let messageString = message()
-        DispatchQueue.main.async { [weak self] in
-            
-            self?.textView?.insertText("\((String(describing: fileName) as NSString).lastPathComponent):\(lineNumber) \(functionName)\n  ↪︎ [Assert] \(messageString)\n\n")
-        }
-    }
-    
-    
-    // MARK: Private
-    
-    @IBOutlet dynamic weak var textView: UITextView?
-    @IBOutlet dynamic weak var segmentedControl: UISegmentedControl?
-    
-    @IBAction dynamic func segmentedControlValueChanged(_ sender: AnyObject?) {
-        
-        switch self.segmentedControl?.selectedSegmentIndex {
-            
-        case 0?:
-            let request = NSFetchRequest<NSFetchRequestResult>()
-            Where<NSManagedObject>(true).applyToFetchRequest(request)
-            Where<NSManagedObject>(false).applyToFetchRequest(request)
-            
-        case 1?:
-            _ = try? dataStack.addStorageAndWait(
-                SQLiteStore(
-                    fileName: "emptyStore.sqlite",
-                    configuration: "invalidStore"
-                )
-            )
-            
-        case 2?:
-            DispatchQueue.global(qos: .background).async {
-                
-                _ = try! self.dataStack.fetchOne(From<Place>())
-            }
-            
-        default:
-            return
-        }
-    }
-}

LegacyDemo/LegacyDemo/MIgrations Demo/MigrationsDemoViewController.swift

@@ -1,445 +0,0 @@
-//
-//  MigrationsDemoViewController.swift
-//  LegacyDemo
-//
-//  Created by John Rommel Estropia on 2015/06/21.
-//  Copyright © 2018 John Rommel Estropia. All rights reserved.
-//
-
-import UIKit
-import CoreStore
-
-
-// MARK: - MigrationsDemoViewController
-
-class MigrationsDemoViewController: UIViewController, ListObserver, UITableViewDataSource, UITableViewDelegate {
-    
-    // MARK: UIViewController
-    
-    override func viewDidLoad() {
-        
-        super.viewDidLoad()
-        
-        if let segmentedControl = self.segmentedControl {
-            
-            for (index, model) in self.models.enumerated() {
-                
-                segmentedControl.setTitle(
-                    model.label,
-                    forSegmentAt: index
-                )
-            }
-        }
-        self.set(dataStack: nil, model: nil, scrollToSelection: false)
-    }
-    
-    override func viewDidAppear(_ animated: Bool) {
-        
-        super.viewDidAppear(animated)
-        
-        let alert = UIAlertController(
-            title: "Migrations Demo",
-            message: "This demo shows how to run progressive migrations and how to support multiple model versions in a single project.\n\nThe persistent store contains 10000 organisms, which gain/lose properties when the migration evolves/devolves them.\n\nYou can use the \"mutate\" button to change an organism's properties then migrate to a different model to see how its value gets affected.",
-            preferredStyle: .alert
-        )
-        alert.addAction(UIAlertAction(title: "OK", style: .cancel, handler: nil))
-        self.present(alert, animated: true, completion: nil)
-        
-        
-        let modelMetadata = withExtendedLifetime(DataStack(xcodeModelName: "MigrationDemo")) {
-            (dataStack: DataStack) -> ModelMetadata in
-            
-            let models = self.models
-            let migrations = try! dataStack.requiredMigrationsForStorage(
-                SQLiteStore(fileName: "MigrationDemo.sqlite")
-            )
-            
-            guard let storeVersion = migrations.first?.sourceVersion else {
-            
-                return models.first!
-            }
-            for model in models {
-                
-                if model.schemaHistory.currentModelVersion == storeVersion {
-                    
-                    return model
-                }
-            }
-            
-            return models.first!
-        }
-        
-        self.selectModelVersion(modelMetadata)
-    }
-    
-    // MARK: ListObserver
-    
-    func listMonitorWillChange(_ monitor: ListMonitor<NSManagedObject>) { }
-    
-    func listMonitorDidChange(_ monitor: ListMonitor<NSManagedObject>) {
-        
-        if self.lastSelectedIndexPath == nil,
-            let numberOfObjectsInSection = self.listMonitor?.numberOfObjects(in: 0),
-            numberOfObjectsInSection > 0 {
-            
-            self.tableView?.reloadData()
-            self.setSelectedIndexPath(IndexPath(row: 0, section: 0), scrollToSelection: false)
-        }
-        else {
-            
-            self.updateDisplay(reloadData: true, scrollToSelection: true, animated: true)
-        }
-    }
-    
-    func listMonitorDidRefetch(_ monitor: ListMonitor<NSManagedObject>) {
-        
-        self.listMonitorDidChange(monitor)
-    }
-    
-    // MARK: UITableViewDataSource
-    
-    @objc dynamic func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
-        
-        return self.listMonitor?.numberOfObjects(in: 0) ?? 0
-    }
-    
-    @objc dynamic func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
-        
-        let cell = tableView.dequeueReusableCell(withIdentifier: "OrganismTableViewCell", for: indexPath) as! OrganismTableViewCell
-        
-        let dna = (self.listMonitor?[indexPath] as? OrganismProtocol)?.dna.description ?? ""
-        cell.dnaLabel?.text = "DNA: \(dna)"
-        cell.mutateButtonHandler = { [weak self] () -> Void in
-            
-            guard let `self` = self,
-                let dataStack = self.dataStack,
-                let organism = self.listMonitor?[indexPath] else {
-                    
-                    return
-            }
-            
-            self.setSelectedIndexPath(indexPath, scrollToSelection: false)
-            self.setEnabled(false)
-            dataStack.perform(
-                asynchronous: { (transaction) in
-                    
-                    let organism = transaction.edit(organism) as! OrganismProtocol
-                    organism.mutate()
-                },
-                completion: { [weak self] _ in
-                    
-                    self?.setEnabled(true)
-                }
-            )
-        }
-        return cell
-    }
-    
-    
-    // MARK: UITableViewDelegate
-    
-    @objc dynamic func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
-        
-        self.setSelectedIndexPath(indexPath, scrollToSelection: false)
-    }
-    
-    
-    // MARK: Private
-    
-    private typealias ModelMetadata = (label: String, entityType: NSManagedObject.Type, schemaHistory: SchemaHistory)
-    
-    private let models: [ModelMetadata] = [
-        (
-            label: "Model V1",
-            entityType: OrganismV1.self,
-            schemaHistory: SchemaHistory(
-                XcodeDataModelSchema.from(
-                    modelName: "MigrationDemo",
-                    migrationChain: ["MigrationDemoV3", "MigrationDemoV2", "MigrationDemo"]
-                ),
-                migrationChain: ["MigrationDemoV3", "MigrationDemoV2", "MigrationDemo"]
-            )
-        ),
-        (
-            label: "Model V2",
-            entityType: OrganismV2.self,
-            schemaHistory: SchemaHistory(
-                XcodeDataModelSchema.from(
-                    modelName: "MigrationDemo",
-                    migrationChain: [
-                        "MigrationDemo": "MigrationDemoV2",
-                        "MigrationDemoV3": "MigrationDemoV2"
-                    ]
-                ),
-                migrationChain: [
-                    "MigrationDemo": "MigrationDemoV2",
-                    "MigrationDemoV3": "MigrationDemoV2"
-                ]
-            )
-        ),
-        (
-            label: "Model V3",
-            entityType: OrganismV3.self,
-            schemaHistory: SchemaHistory(
-                XcodeDataModelSchema.from(
-                    modelName: "MigrationDemo",
-                    migrationChain: ["MigrationDemo", "MigrationDemoV2", "MigrationDemoV3"]
-                ),
-                migrationChain: ["MigrationDemo", "MigrationDemoV2", "MigrationDemoV3"]
-            )
-        )
-    ]
-    
-    private var _listMonitor: ListMonitor<NSManagedObject>?
-    private var listMonitor: ListMonitor<NSManagedObject>? {
-        
-        return self._listMonitor
-    }
-    
-    private var _dataStack: DataStack?
-    private var dataStack: DataStack? {
-        
-        return self._dataStack
-    }
-    
-    private var _lastSelectedIndexPath: IndexPath?
-    private var lastSelectedIndexPath: IndexPath? {
-        
-        return self._lastSelectedIndexPath
-    }
-    
-    private func setSelectedIndexPath(_ indexPath: IndexPath, scrollToSelection: Bool) {
-        
-        self._lastSelectedIndexPath = indexPath
-        self.updateDisplay(reloadData: false, scrollToSelection: scrollToSelection, animated: true)
-    }
-    
-    @IBOutlet private dynamic weak var headerContainer: UIView?
-    @IBOutlet private dynamic weak var titleLabel: UILabel?
-    @IBOutlet private dynamic weak var organismLabel: UILabel?
-    @IBOutlet private dynamic weak var segmentedControl: UISegmentedControl?
-    @IBOutlet private dynamic weak var progressView: UIProgressView?
-    @IBOutlet private dynamic weak var tableView: UITableView?
-    
-    @IBAction private dynamic func segmentedControlValueChanged(_ sender: AnyObject?) {
-        
-        guard let index = self.segmentedControl?.selectedSegmentIndex else {
-            
-            return
-        }
-        
-        self.selectModelVersion(self.models[index])
-    }
-    
-    private func selectModelVersion(_ model: ModelMetadata) {
-        
-        if self.dataStack?.modelVersion == model.schemaHistory.currentModelVersion {
-            
-            return
-        }
-        
-        self.set(dataStack: nil, model: nil, scrollToSelection: false) // explicitly trigger NSPersistentStore cleanup by deallocating the stack
-        
-        let dataStack = DataStack(schemaHistory: model.schemaHistory)
-        
-        self.setEnabled(false)
-        let progress = dataStack.addStorage(
-            SQLiteStore(
-                fileName: "MigrationDemo.sqlite",
-                migrationMappingProviders: [
-                    CustomSchemaMappingProvider(
-                        from: "MigrationDemoV3",
-                        to: "MigrationDemoV2",
-                        entityMappings: [
-                            .transformEntity(
-                                sourceEntity: "Organism",
-                                destinationEntity: "Organism",
-                                transformer: { (source, createDestination) in
-                                    
-                                    let destination = createDestination()
-                                    destination.enumerateAttributes { (attribute, sourceAttribute) in
-                                        
-                                        if let sourceAttribute = sourceAttribute {
-                                            
-                                            destination[attribute] = source[sourceAttribute]
-                                        }
-                                    }
-                                    destination["numberOfFlippers"] = source["numberOfLimbs"]
-                                }
-                            )
-                        ]
-                    )
-                ]
-            ),
-            completion: { [weak self] (result) -> Void in
-                
-                guard let `self` = self else {
-                    
-                    return
-                }
-                
-                guard case .success = result else {
-                    
-                    self.setEnabled(true)
-                    return
-                }
-                
-                self.set(dataStack: dataStack, model: model, scrollToSelection: true)
-                
-                let count = try! dataStack.queryValue(
-                    From<NSManagedObject>(model.entityType)
-                        .select(Int.self, .count(#keyPath(OrganismV1.dna))))!
-                if count > 0 {
-                    
-                    self.setEnabled(true)
-                }
-                else {
-                    
-                    for i: Int64 in 0 ..< 20 {
-                        
-                        dataStack.perform(
-                            asynchronous: { (transaction) in
-                                
-                                for j: Int64 in 0 ..< 500 {
-                                    
-                                    let organism = transaction.create(Into(model.entityType)) as! OrganismProtocol
-                                    organism.dna = (i * 500) + j + 1
-                                    organism.mutate()
-                                }
-                            },
-                            completion: { _ in }
-                        )
-                    }
-                    dataStack.perform(
-                        asynchronous: { _ in },
-                        completion: { [weak self] _ in
-                    
-                            self?.setEnabled(true)
-                        }
-                    )
-                }
-            }
-        )
-        
-        if let progress = progress {
-            
-            progress.setProgressHandler { [weak self] (progress) -> Void in
-                
-                self?.reloadTableHeaderWithProgress(progress)
-            }
-        }
-    }
-    
-    private func setEnabled(_ enabled: Bool) {
-        
-        UIView.animate(
-            withDuration: 0.2,
-            delay: 0,
-            options: .beginFromCurrentState,
-            animations: { () -> Void in
-                
-                let navigationItem = self.navigationItem
-                navigationItem.leftBarButtonItem?.isEnabled = enabled
-                navigationItem.rightBarButtonItem?.isEnabled = enabled
-                navigationItem.hidesBackButton = !enabled
-                
-                self.segmentedControl?.isEnabled = enabled
-                
-                if let tableView = self.tableView {
-                    
-                    tableView.alpha = enabled ? 1.0 : 0.5
-                    tableView.isUserInteractionEnabled = enabled
-                }
-            },
-            completion: nil
-        )
-    }
-    
-    private func set(dataStack: DataStack?, model: ModelMetadata?, scrollToSelection: Bool) {
-        
-        if let dataStack = dataStack, let model = model {
-            
-            self.segmentedControl?.selectedSegmentIndex = self.models
-                .firstIndex(
-                    where: { (arg) -> Bool in
-                        
-                        let (_, _, schemaHistory) = arg
-                        return schemaHistory.currentModelVersion == model.schemaHistory.currentModelVersion
-                    }
-                )!
-            
-            self._dataStack = dataStack
-            let listMonitor = dataStack.monitorList(
-                From(model.entityType),
-                OrderBy<NSManagedObject>(.descending(#keyPath(OrganismV1.dna)))
-            )
-            listMonitor.addObserver(self)
-            self._listMonitor = listMonitor
-            
-            if self.lastSelectedIndexPath == nil  {
-                
-                if listMonitor.numberOfObjects(in: 0) > 0 {
-                    
-                    self.setSelectedIndexPath(IndexPath(row: 0, section: 0), scrollToSelection: true)
-                }
-            }
-        }
-        else {
-           
-            self.segmentedControl?.selectedSegmentIndex = UISegmentedControl.noSegment
-            self._listMonitor = nil
-            self._dataStack = nil
-        }
-        
-        self.updateDisplay(reloadData: true, scrollToSelection: scrollToSelection, animated: false)
-    }
-    
-    private func reloadTableHeaderWithProgress(_ progress: Progress) {
-        
-        self.progressView?.setProgress(Float(progress.fractionCompleted), animated: true)
-        self.titleLabel?.text = "Migrating: \(progress.localizedDescription ?? "")"
-        self.organismLabel?.text = "Progressive step \(progress.localizedAdditionalDescription ?? "")"
-    }
-    
-    private func updateDisplay(reloadData: Bool, scrollToSelection: Bool, animated: Bool) {
-        
-        var lines = [String]()
-        var organismType = ""
-        if let indexPath = self.lastSelectedIndexPath, let organism = self.listMonitor?[indexPath] {
-            
-            for property in organism.entity.properties {
-                
-                let value = organism.value(forKey: property.name) ?? NSNull()
-                lines.append("\(property.name): \(value)")
-            }
-            organismType = organism.entity.managedObjectClassName
-        }
-        
-        self.titleLabel?.text = organismType
-        self.organismLabel?.text = lines.joined(separator: "\n")
-        self.progressView?.progress = 0
-        
-        self.headerContainer?.setNeedsLayout()
-        
-        guard let tableView = self.tableView else {
-            
-            return
-        }
-        
-        if reloadData {
-            
-            tableView.reloadData()
-        }
-        
-        tableView.layoutIfNeeded()
-        
-        if let indexPath = self.lastSelectedIndexPath,
-            indexPath.row < tableView.numberOfRows(inSection: 0) {
-            
-            tableView.selectRow(at: indexPath,
-                animated: scrollToSelection && animated,
-                scrollPosition: scrollToSelection ? .middle : .none
-            )
-        }
-    }
-}

LegacyDemo/LegacyDemo/MIgrations Demo/MyAppModel.xcdatamodeld/.xccurrentversion

@@ -1,5 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict/>
-</plist>

LegacyDemo/LegacyDemo/MIgrations Demo/MyAppModel.xcdatamodeld/MyAppModel.xcdatamodel/contents

@@ -1,4 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<model userDefinedModelVersionIdentifier="" type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="8166.2" systemVersion="14E46" minimumToolsVersion="Xcode 7.0">
-    <elements/>
-</model>

LegacyDemo/LegacyDemo/MIgrations Demo/OrganismProtocol.swift

@@ -1,16 +0,0 @@
-//
-//  OrganismProtocol.swift
-//  LegacyDemo
-//
-//  Created by John Rommel Estropia on 2015/06/27.
-//  Copyright © 2018 John Rommel Estropia. All rights reserved.
-//
-
-import Foundation
-
-protocol OrganismProtocol: AnyObject {
-    
-    var dna: Int64 { get set }
-    
-    func mutate()
-}

LegacyDemo/LegacyDemo/MIgrations Demo/OrganismTableViewCell.swift

@@ -1,22 +0,0 @@
-//
-//  OrganismTableViewCell.swift
-//  LegacyDemo
-//
-//  Created by John Rommel Estropia on 2015/07/12.
-//  Copyright © 2018 John Rommel Estropia. All rights reserved.
-//
-
-import UIKit
-
-class OrganismTableViewCell: UITableViewCell {
-
-    @IBOutlet weak dynamic var dnaLabel: UILabel?
-    @IBOutlet weak dynamic var mutateButton: UIButton?
-    
-    var mutateButtonHandler: (() -> Void)?
-
-    @IBAction dynamic func mutateButtonTouchUpInside(_ sender: UIButton?) {
-     
-        self.mutateButtonHandler?()
-    }
-}

LegacyDemo/LegacyDemo/MIgrations Demo/OrganismV1.swift

@@ -1,25 +0,0 @@
-//
-//  OrganismV1.swift
-//  LegacyDemo
-//
-//  Created by John Rommel Estropia on 2015/06/21.
-//  Copyright © 2018 John Rommel Estropia. All rights reserved.
-//
-
-import Foundation
-import CoreData
-
-class OrganismV1: NSManagedObject, OrganismProtocol {
-
-    @NSManaged var dna: Int64
-    @NSManaged var hasHead: Bool
-    @NSManaged var hasTail: Bool
-    
-    // MARK: OrganismProtocol
-    
-    func mutate() {
-        
-        self.hasHead = arc4random_uniform(2) == 1
-        self.hasTail = arc4random_uniform(2) == 1
-    }
-}

LegacyDemo/LegacyDemo/MIgrations Demo/OrganismV2.swift

@@ -1,27 +0,0 @@
-//
-//  OrganismV2.swift
-//  LegacyDemo
-//
-//  Created by John Rommel Estropia on 2015/06/21.
-//  Copyright © 2018 John Rommel Estropia. All rights reserved.
-//
-
-import Foundation
-import CoreData
-
-class OrganismV2: NSManagedObject, OrganismProtocol {
-    
-    @NSManaged var dna: Int64
-    @NSManaged var hasHead: Bool
-    @NSManaged var hasTail: Bool
-    @NSManaged var numberOfFlippers: Int32
-    
-    // MARK: OrganismProtocol
-    
-    func mutate() {
-        
-        self.hasHead = arc4random_uniform(2) == 1
-        self.hasTail = arc4random_uniform(2) == 1
-        self.numberOfFlippers = Int32(arc4random_uniform(9) / 2 * 2)
-    }
-}

LegacyDemo/LegacyDemo/MIgrations Demo/OrganismV2ToV3MigrationPolicy.swift

@@ -1,29 +0,0 @@
-//
-//  OrganismV2ToV3MigrationPolicy.swift
-//  LegacyDemo
-//
-//  Created by John Rommel Estropia on 2015/06/27.
-//  Copyright © 2018 John Rommel Estropia. All rights reserved.
-//
-
-import CoreData
-
-class OrganismV2ToV3MigrationPolicy: NSEntityMigrationPolicy {
-    
-    override func createDestinationInstances(forSource sInstance: NSManagedObject, in mapping: NSEntityMapping, manager: NSMigrationManager) throws {
-        
-        try super.createDestinationInstances(forSource: sInstance, in: mapping, manager: manager)
-        
-        for dInstance in manager.destinationInstances(forEntityMappingName: mapping.name, sourceInstances: [sInstance]) {
-            
-            dInstance.setValue(
-                false,
-                forKey: #keyPath(OrganismV3.hasVertebrae)
-            )
-            dInstance.setValue(
-                sInstance.value(forKey: #keyPath(OrganismV2.numberOfFlippers)),
-                forKey: #keyPath(OrganismV3.numberOfLimbs)
-            )
-        }
-    }
-}

LegacyDemo/LegacyDemo/MIgrations Demo/OrganismV3.swift

@@ -1,29 +0,0 @@
-//
-//  OrganismV3.swift
-//  LegacyDemo
-//
-//  Created by John Rommel Estropia on 2015/06/27.
-//  Copyright © 2018 John Rommel Estropia. All rights reserved.
-//
-
-import Foundation
-import CoreData
-
-class OrganismV3: NSManagedObject, OrganismProtocol {
-    
-    @NSManaged var dna: Int64
-    @NSManaged var hasHead: Bool
-    @NSManaged var hasTail: Bool
-    @NSManaged var numberOfLimbs: Int32
-    @NSManaged var hasVertebrae: Bool
-    
-    // MARK: OrganismProtocol
-    
-    func mutate() {
-        
-        self.hasHead = arc4random_uniform(2) == 1
-        self.hasTail = arc4random_uniform(2) == 1
-        self.numberOfLimbs = Int32(arc4random_uniform(9) / 2 * 2)
-        self.hasVertebrae = arc4random_uniform(2) == 1
-    }
-}

LegacyDemo/LegacyDemo/MigrationDemo.xcdatamodeld/.xccurrentversion

@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-	<key>_XCCurrentVersionName</key>
-	<string>MigrationDemoV3.xcdatamodel</string>
-</dict>
-</plist>

LegacyDemo/LegacyDemo/MigrationDemo.xcdatamodeld/MigrationDemo.xcdatamodel/contents

@@ -1,11 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<model type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="11198.3" systemVersion="15F34" minimumToolsVersion="Xcode 4.3" sourceLanguage="Swift" userDefinedModelVersionIdentifier="">
-    <entity name="Organism" representedClassName="LegacyDemo.OrganismV1" syncable="YES">
-        <attribute name="dna" optional="YES" attributeType="Integer 64" usesScalarValueType="NO" syncable="YES"/>
-        <attribute name="hasHead" optional="YES" attributeType="Boolean" usesScalarValueType="NO" syncable="YES"/>
-        <attribute name="hasTail" optional="YES" attributeType="Boolean" usesScalarValueType="NO" syncable="YES"/>
-    </entity>
-    <elements>
-        <element name="Organism" positionX="-36" positionY="9" width="128" height="90"/>
-    </elements>
-</model>