Move to GitHub Actions

.github/workflows/main.yml

@@ -0,0 +1,15 @@
+name: CI
+on:
+  - push
+  - pull_request
+jobs:
+  test:
+    runs-on: macos-latest
+    steps:
+      - uses: actions/checkout@v2
+      - run: swift test
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: norio-nomura/action-swiftlint@3.2.1

.swiftlint.yml

@@ -0,0 +1,180 @@
+only_rules:
+  - anyobject_protocol
+  - array_init
+  - block_based_kvo
+  - class_delegate_protocol
+  - closing_brace
+  - closure_end_indentation
+  - closure_parameter_position
+  - closure_spacing
+  - collection_alignment
+  - colon
+  - comma
+  - compiler_protocol_init
+  - computed_accessors_order
+  - conditional_returns_on_newline
+  - contains_over_filter_count
+  - contains_over_filter_is_empty
+  - contains_over_first_not_nil
+  - contains_over_range_nil_comparison
+  - control_statement
+  - custom_rules
+  - discarded_notification_center_observer
+  - discouraged_direct_init
+  - discouraged_object_literal
+  - discouraged_optional_collection
+  - duplicate_enum_cases
+  - duplicate_imports
+  - dynamic_inline
+  - empty_collection_literal
+  - empty_count
+  - empty_enum_arguments
+  - empty_parameters
+  - empty_parentheses_with_trailing_closure
+  - empty_string
+  - empty_xctest_method
+  - enum_case_associated_values_count
+  - explicit_init
+  - fallthrough
+  - fatal_error_message
+  - first_where
+  - flatmap_over_map_reduce
+  - for_where
+  - generic_type_name
+  - ibinspectable_in_extension
+  - identical_operands
+  - identifier_name
+  - implicit_getter
+  - implicit_return
+  - inclusive_language
+  - inert_defer
+  - is_disjoint
+  - joined_default_parameter
+  - last_where
+  - leading_whitespace
+  - legacy_cggeometry_functions
+  - legacy_constant
+  - legacy_constructor
+  - legacy_hashing
+  - legacy_multiple
+  - legacy_nsgeometry_functions
+  - legacy_random
+  - literal_expression_end_indentation
+  - lower_acl_than_parent
+  - mark
+  - modifier_order
+  - multiline_arguments
+  - multiline_function_chains
+  - multiline_literal_brackets
+  - multiline_parameters
+  - multiline_parameters_brackets
+  - nimble_operator
+  - no_extension_access_modifier
+  - no_fallthrough_only
+  - no_space_in_method_call
+  - notification_center_detachment
+  - nsobject_prefer_isequal
+  - number_separator
+  - opening_brace
+  - operator_usage_whitespace
+  - operator_whitespace
+  - orphaned_doc_comment
+  - overridden_super_call
+  - prefer_self_type_over_type_of_self
+  - prefer_zero_over_explicit_init
+  - private_action
+  - private_outlet
+  - private_unit_test
+  - prohibited_super_call
+  - protocol_property_accessors_order
+  - reduce_boolean
+  - reduce_into
+  - redundant_discardable_let
+  - redundant_nil_coalescing
+  - redundant_objc_attribute
+  - redundant_optional_initialization
+  - redundant_set_access_control
+  - redundant_string_enum_value
+  - redundant_type_annotation
+  - redundant_void_return
+  - required_enum_case
+  - return_arrow_whitespace
+  - shorthand_operator
+  - sorted_first_last
+  - statement_position
+  - static_operator
+  - strong_iboutlet
+  - superfluous_disable_command
+  - switch_case_alignment
+  - switch_case_on_newline
+  - syntactic_sugar
+  - test_case_accessibility
+  - toggle_bool
+  - trailing_closure
+  - trailing_comma
+  - trailing_newline
+  - trailing_semicolon
+  - trailing_whitespace
+  - unavailable_function
+  - unneeded_break_in_switch
+  - unneeded_parentheses_in_closure_argument
+  - unowned_variable_capture
+  - untyped_error_in_catch
+  - unused_capture_list
+  - unused_closure_parameter
+  - unused_control_flow_label
+  - unused_enumerated
+  - unused_optional_binding
+  - unused_setter_value
+  - valid_ibinspectable
+  - vertical_parameter_alignment
+  - vertical_parameter_alignment_on_call
+  - vertical_whitespace_closing_braces
+  - vertical_whitespace_opening_braces
+  - void_return
+  - weak_delegate
+  - xct_specific_matcher
+  - yoda_condition
+analyzer_rules:
+  - unused_declaration
+  - unused_import
+number_separator:
+  minimum_length: 5
+identifier_name:
+  max_length:
+    warning: 100
+    error: 100
+  min_length:
+    warning: 2
+    error: 2
+  validates_start_with_lowercase: false
+  allowed_symbols:
+    - '_'
+  excluded:
+    - 'x'
+    - 'y'
+    - 'a'
+    - 'b'
+    - 'x1'
+    - 'x2'
+    - 'y1'
+    - 'y2'
+custom_rules:
+  no_nsrect:
+    regex: '\bNSRect\b'
+    match_kinds: typeidentifier
+    message: 'Use CGRect instead of NSRect'
+  no_nssize:
+    regex: '\bNSSize\b'
+    match_kinds: typeidentifier
+    message: 'Use CGSize instead of NSSize'
+  no_nspoint:
+    regex: '\bNSPoint\b'
+    match_kinds: typeidentifier
+    message: 'Use CGPoint instead of NSPoint'
+  swiftui_state_private:
+    regex: '@(State|StateObject)\s+var'
+    message: "SwiftUI @State/@StateObject properties should be private"
+  final_class:
+    regex: '^class [a-zA-Z\d]+[^{]+\{'
+    message: "Classes should be marked as final whenever possible. If you actually need it to be subclassable, just add `// swiftlint:disable:next final_class`."

.travis.yml

@@ -1,3 +0,0 @@
-language: swift
-osx_image: xcode11.4
-script: xcodebuild test -project Defaults.xcodeproj -scheme Defaults-macOS

Defaults.podspec

@@ -13,5 +13,4 @@ Pod::Spec.new do |s|
 	s.ios.deployment_target = '10.0'
 	s.tvos.deployment_target = '10.0'
 	s.watchos.deployment_target = '3.0'
-	s.weak_framework = 'Combine'
 end

Defaults.xcodeproj/project.pbxproj

@@ -336,6 +336,7 @@
 			isa = PBXNativeTarget;
 			buildConfigurationList = 52D6DA201BF000BD002C0205 /* Build configuration list for PBXNativeTarget "Defaults-macOS" */;
 			buildPhases = (
+				E3FD0A4B25BDA35F0011D293 /* SwiftLint */,
 				52D6DA0A1BF000BD002C0205 /* Sources */,
 				52D6DA0B1BF000BD002C0205 /* Frameworks */,
 				52D6DA0C1BF000BD002C0205 /* Headers */,
@@ -502,6 +503,27 @@
 		};
 /* End PBXResourcesBuildPhase section */
 
+/* Begin PBXShellScriptBuildPhase section */
+		E3FD0A4B25BDA35F0011D293 /* SwiftLint */ = {
+			isa = PBXShellScriptBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			inputFileListPaths = (
+			);
+			inputPaths = (
+			);
+			name = SwiftLint;
+			outputFileListPaths = (
+			);
+			outputPaths = (
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+			shellPath = /bin/sh;
+			shellScript = "swiftlint\n";
+		};
+/* End PBXShellScriptBuildPhase section */
+
 /* Begin PBXSourcesBuildPhase section */
 		52D6D9771BEFF229002C0205 /* Sources */ = {
 			isa = PBXSourcesBuildPhase;
@@ -657,10 +679,6 @@
 				MACOSX_DEPLOYMENT_TARGET = 10.12;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
-				OTHER_LDFLAGS = (
-					"-weak_framework",
-					Combine,
-				);
 				SDKROOT = iphoneos;
 				SWIFT_COMPILATION_MODE = singlefile;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
@@ -717,10 +735,6 @@
 				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
 				MACOSX_DEPLOYMENT_TARGET = 10.12;
 				MTL_ENABLE_DEBUG_INFO = NO;
-				OTHER_LDFLAGS = (
-					"-weak_framework",
-					Combine,
-				);
 				SDKROOT = iphoneos;
 				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";

Sources/Defaults/Observation+Combine.swift

@@ -138,13 +138,15 @@ extension Defaults {
 		let initial = Empty<Void, Never>(completeImmediately: false).eraseToAnyPublisher()
 
 		let combinedPublisher =
-			keys.map { key in
+			keys
-				DefaultsPublisher(suite: key.suite, key: key.name, options: options)
+				.map { key in
-					.map { _ in () }
+					DefaultsPublisher(suite: key.suite, key: key.name, options: options)
-					.eraseToAnyPublisher()
+						.map { _ in () }
-			}.reduce(initial) { combined, keyPublisher in
+						.eraseToAnyPublisher()
-				combined.merge(with: keyPublisher).eraseToAnyPublisher()
+				}
-			}
+				.reduce(initial) { combined, keyPublisher in
+					combined.merge(with: keyPublisher).eraseToAnyPublisher()
+				}
 
 		return combinedPublisher
 	}

Sources/Defaults/Observation.swift

@@ -206,6 +206,7 @@ extension Defaults {
 		private var lifetimeAssociation: LifetimeAssociation?
 
 		public func tieToLifetime(of weaklyHeldObject: AnyObject) -> Self {
+			// swiftlint:disable:next trailing_closure
 			lifetimeAssociation = LifetimeAssociation(of: self, with: weaklyHeldObject, deinitHandler: { [weak self] in
 				self?.invalidate()
 			})
@@ -294,6 +295,7 @@ extension Defaults {
 		}
 
 		public func tieToLifetime(of weaklyHeldObject: AnyObject) -> Self {
+			// swiftlint:disable:next trailing_closure
 			lifetimeAssociation = LifetimeAssociation(of: self, with: weaklyHeldObject, deinitHandler: { [weak self] in
 				self?.invalidate()
 			})

Tests/DefaultsTests/DefaultsTests.swift

@@ -57,7 +57,7 @@ final class DefaultsTests: XCTestCase {
 	}
 
 	override func tearDown() {
-		super.setUp()
+		super.tearDown()
 		Defaults.removeAll()
 	}
 
@@ -81,9 +81,9 @@ final class DefaultsTests: XCTestCase {
 
 	func testKeyRegistersDefault() {
 		let keyName = "registersDefault"
-		XCTAssertEqual(UserDefaults.standard.bool(forKey: keyName), false)
+		XCTAssertFalse(UserDefaults.standard.bool(forKey: keyName))
 		_ = Defaults.Key<Bool>(keyName, default: true)
-		XCTAssertEqual(UserDefaults.standard.bool(forKey: keyName), true)
+		XCTAssertTrue(UserDefaults.standard.bool(forKey: keyName))
 
 		// Test that it works with multiple keys with `Defaults`.
 		let keyName2 = "registersDefault2"
@@ -174,9 +174,9 @@ final class DefaultsTests: XCTestCase {
 			.collect(2)
 
 		let cancellable = publisher.sink { tuples in
-			for (i, expected) in [(false, true), (true, false)].enumerated() {
+			for (index, expected) in [(false, true), (true, false)].enumerated() {
-				XCTAssertEqual(expected.0, tuples[i].0)
+				XCTAssertEqual(expected.0, tuples[index].0)
-				XCTAssertEqual(expected.1, tuples[i].1)
+				XCTAssertEqual(expected.1, tuples[index].1)
 			}
 
 			expect.fulfill()
@@ -594,7 +594,7 @@ final class DefaultsTests: XCTestCase {
 				XCTAssert(Defaults[key1]! == 4)
 				expect.fulfill()
 			} else {
-				usleep(100000)
+				usleep(100_000)
 				print("--- Release: \(Thread.isMainThread)")
 			}
 		}
@@ -616,6 +616,7 @@ final class DefaultsTests: XCTestCase {
 		let observation1 = Defaults.observe(key2, options: []) { _ in
 			XCTFail()
 		}
+
 		let observation2 = Defaults.observe(keys: key1, key2, options: []) {
 			Defaults.withoutPropagation {
 				Defaults[key2] = true
@@ -750,14 +751,14 @@ final class DefaultsTests: XCTestCase {
 		Defaults[key1] = newString1
 		Defaults[key2] = newString2
 		Defaults.reset(key1)
-		XCTAssertEqual(Defaults[key1], nil)
+		XCTAssertNil(Defaults[key1])
 		XCTAssertEqual(Defaults[key2], newString2)
 
 		if #available(iOS 11.0, macOS 10.13, tvOS 11.0, watchOS 4.0, iOSApplicationExtension 11.0, macOSApplicationExtension 10.13, tvOSApplicationExtension 11.0, watchOSApplicationExtension 4.0, *) {
 			let key3 = Defaults.NSSecureCodingOptionalKey<ExamplePersistentHistory>("optionalKey3")
 			Defaults[key3] = ExamplePersistentHistory(value: newString3)
 			Defaults.reset(key3)
-			XCTAssertEqual(Defaults[key3], nil)
+			XCTAssertNil(Defaults[key3])
 		}
 	}
 
@@ -772,8 +773,8 @@ final class DefaultsTests: XCTestCase {
 		Defaults[key2] = newFixture2
 		Defaults[key3] = newFixture3
 		Defaults.reset(key1, key2)
-		XCTAssertEqual(Defaults[key1], nil)
+		XCTAssertNil(Defaults[key1])
-		XCTAssertEqual(Defaults[key2], nil)
+		XCTAssertNil(Defaults[key2])
 		XCTAssertEqual(Defaults[key3], newFixture3)
 	}
 
@@ -785,7 +786,8 @@ final class DefaultsTests: XCTestCase {
 		observation = Defaults.observe(key, options: []) { _ in
 			observation.invalidate()
 			expect.fulfill()
-		}.tieToLifetime(of: self)
+		}
+			.tieToLifetime(of: self)
 
 		Defaults[key] = true
 
@@ -798,14 +800,14 @@ final class DefaultsTests: XCTestCase {
 		weak var observation: Defaults.Observation? = Defaults.observe(key, options: []) { _ in }.tieToLifetime(of: self)
 		observation!.removeLifetimeTie()
 
-		for i in 1...10 {
+		for index in 1...10 {
 			if observation == nil {
 				break
 			}
 
 			sleep(1)
 
-			if i == 10 {
+			if index == 10 {
 				XCTFail()
 			}
 		}

readme.md

@@ -1,4 +1,4 @@
-# Defaults [![Build Status](https://travis-ci.org/sindresorhus/Defaults.svg?branch=master)](https://travis-ci.org/sindresorhus/Defaults)
+# Defaults
 
 > Swifty and modern [UserDefaults](https://developer.apple.com/documentation/foundation/userdefaults)
 
@@ -33,8 +33,6 @@ For a real-world example, see my [Plash app](https://github.com/sindresorhus/Pla
 
 Add `https://github.com/sindresorhus/Defaults` in the [“Swift Package Manager” tab in Xcode](https://developer.apple.com/documentation/xcode/adding_package_dependencies_to_your_app).
 
-You also need to set the build setting “Other Linker Flags” to `-weak_framework Combine` to work around [this Xcode bug](https://github.com/feedback-assistant/reports/issues/44).
-
 #### Carthage
 
 ```