3.0.2 Release (#347)

* Update ISSUE_TEMPLATE.md

* Update ISSUE_TEMPLATE.md

* Update ISSUE_TEMPLATE.md

* Update ISSUE_TEMPLATE.md

* Update ISSUE_TEMPLATE.md

* fix "Mutating a priority from required to not on an installed constra… (#323)

* fix "Mutating a priority from required to not on an installed constraint (or vice-versa) is not supported." when the priority is not changed

* add more check when changing layout constraint priority

* add more lenient check when changing layout constraint priority

* fix UILayoutPriorityRequired available only on iOS

* fix undeclared UILayoutPriority on macOS

* add check for tvOS

* change the result constraint of maker.center.equalTo(CGPoint) to based on the original point of superview (#336)

* change center.equalTo

* fix logic

* Add ConstraintMaker shortcuts for superview access (#341)

Added two new shortcuts for access superview in ConstraintMakerRelatable
`greaterThanOrEqualToSuperview`
`lessThanOrEqualToSuperview`

* Add `topMargin` to constraint maker (#343)

* Fix erroneus scheme

* Update settings for Carthage

* Prepare 3.0.2 release

ISSUE_TEMPLATE.md

@@ -1,7 +1,10 @@
 ### New Issue Checklist
 
+🚫 If this template is not filled out your issue **will** be closed with no comment. 🚫
+
 * [ ] I have looked at the [Documentation](http://snapkit.io/docs)
 * [ ] I have read the [F.A.Q.](http://snapkit.io/faq)
+* [ ] I have filled out this issue template.
 
 ### Issue Info
 
@@ -15,3 +18,4 @@
 
 ### Issue Description
 
+⚠️ Replace this with the description of your issue. ⚠️ 

README.md

@@ -59,7 +59,7 @@ platform :ios, '10.0'
 use_frameworks!
 
 target '<Your Target Name>' do
-    pod 'SnapKit', '~> 3.0'
+    pod 'SnapKit', '~> 3.0.2'
 end
 ```
 
@@ -83,7 +83,7 @@ $ brew install carthage
 To integrate SnapKit into your Xcode project using Carthage, specify it in your `Cartfile`:
 
 ```ogdl
-github "SnapKit/SnapKit" ~> 3.0
+github "SnapKit/SnapKit" ~> 3.0.2
 ```
 
 Run `carthage update` to build the framework and drag the built `SnapKit.framework` into your Xcode project.

SnapKit.podspec

@@ -1,12 +1,12 @@
 Pod::Spec.new do |s|
   s.name = 'SnapKit'
-  s.version = '3.0.1'
+  s.version = '3.0.2'
   s.license = 'MIT'
   s.summary = 'Harness the power of auto layout with a simplified, chainable, and compile time safe syntax.'
   s.homepage = 'https://github.com/SnapKit/SnapKit'
   s.authors = { 'Robert Payne' => 'robertpayne@me.com' }
   s.social_media_url = 'http://twitter.com/robertjpayne'
-  s.source = { :git => 'https://github.com/SnapKit/SnapKit.git', :tag => '3.0.1' }
+  s.source = { :git => 'https://github.com/SnapKit/SnapKit.git', :tag => '3.0.2' }
 
   s.ios.deployment_target = '8.0'
   s.osx.deployment_target = '10.11'

SnapKit.xcodeproj/project.pbxproj

@@ -413,8 +413,8 @@
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
-				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
 				COPY_PHASE_STRIP = NO;
+				DEBUG_INFORMATION_FORMAT = dwarf;
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				ENABLE_TESTABILITY = YES;
 				GCC_C_LANGUAGE_STANDARD = gnu99;
@@ -436,11 +436,12 @@
 				MACOSX_DEPLOYMENT_TARGET = 10.10;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
-				SDKROOT = iphoneos;
+				PRODUCT_BUNDLE_PACKAGE_TYPE = BNDL;
-				SUPPORTED_PLATFORMS = "iphonesimulator iphoneos appletvsimulator appletvos macosx";
+				SUPPORTED_PLATFORMS = "macosx iphonesimulator iphoneos appletvsimulator appletvos";
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
 				SWIFT_VERSION = 3.0;
 				TARGETED_DEVICE_FAMILY = "1,2,3,4";
+				TVOS_DEPLOYMENT_TARGET = 9.0;
 			};
 			name = Debug;
 		};
@@ -461,8 +462,8 @@
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
-				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Distribution";
+				COPY_PHASE_STRIP = NO;
-				COPY_PHASE_STRIP = YES;
+				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
 				ENABLE_NS_ASSERTIONS = NO;
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				GCC_C_LANGUAGE_STANDARD = gnu99;
@@ -476,11 +477,11 @@
 				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				MACOSX_DEPLOYMENT_TARGET = 10.10;
 				MTL_ENABLE_DEBUG_INFO = NO;
-				SDKROOT = iphoneos;
+				PRODUCT_BUNDLE_PACKAGE_TYPE = BNDL;
-				SUPPORTED_PLATFORMS = "iphonesimulator iphoneos appletvsimulator appletvos macosx";
+				SUPPORTED_PLATFORMS = "macosx iphonesimulator iphoneos appletvsimulator appletvos";
 				SWIFT_VERSION = 3.0;
 				TARGETED_DEVICE_FAMILY = "1,2,3,4";
-				VALIDATE_PRODUCT = YES;
+				TVOS_DEPLOYMENT_TARGET = 9.0;
 			};
 			name = Release;
 		};
@@ -489,20 +490,17 @@
 			buildSettings = {
 				APPLICATION_EXTENSION_API_ONLY = YES;
 				CLANG_ENABLE_MODULES = YES;
-				CURRENT_PROJECT_VERSION = 1;
+				CURRENT_PROJECT_VERSION = 1.0.0;
 				DEFINES_MODULE = YES;
-				DYLIB_COMPATIBILITY_VERSION = 1;
-				DYLIB_CURRENT_VERSION = 1;
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
 				INFOPLIST_FILE = "$(SRCROOT)/Source/Info.plist";
-				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = "io.snapkit.$(PRODUCT_NAME:rfc1034identifier)";
+				PRODUCT_BUNDLE_PACKAGE_TYPE = FMWK;
 				PRODUCT_NAME = SnapKit;
-				SKIP_INSTALL = YES;
+				SWIFT_ACTIVE_COMPILATION_CONDITIONS = DEBUG;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
 				VERSIONING_SYSTEM = "apple-generic";
-				VERSION_INFO_PREFIX = "";
 			};
 			name = Debug;
 		};
@@ -511,20 +509,16 @@
 			buildSettings = {
 				APPLICATION_EXTENSION_API_ONLY = YES;
 				CLANG_ENABLE_MODULES = YES;
-				CURRENT_PROJECT_VERSION = 1;
+				CURRENT_PROJECT_VERSION = 1.0.0;
 				DEFINES_MODULE = YES;
-				DYLIB_COMPATIBILITY_VERSION = 1;
-				DYLIB_CURRENT_VERSION = 1;
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
 				INFOPLIST_FILE = "$(SRCROOT)/Source/Info.plist";
-				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = "io.snapkit.$(PRODUCT_NAME:rfc1034identifier)";
+				PRODUCT_BUNDLE_PACKAGE_TYPE = FMWK;
 				PRODUCT_NAME = SnapKit;
-				SKIP_INSTALL = YES;
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
 				VERSIONING_SYSTEM = "apple-generic";
-				VERSION_INFO_PREFIX = "";
 			};
 			name = Release;
 		};

SnapKit.xcodeproj/xcshareddata/xcschemes/SnapKit.xcscheme

@@ -20,20 +20,6 @@
                ReferencedContainer = "container:SnapKit.xcodeproj">
             </BuildableReference>
          </BuildActionEntry>
-         <BuildActionEntry
-            buildForTesting = "YES"
-            buildForRunning = "NO"
-            buildForProfiling = "NO"
-            buildForArchiving = "NO"
-            buildForAnalyzing = "YES">
-            <BuildableReference
-               BuildableIdentifier = "primary"
-               BlueprintIdentifier = "537DCEAE1C35D90A00B5B899"
-               BuildableName = "SnapKit tvOS Tests.xctest"
-               BlueprintName = "SnapKit tvOS Tests"
-               ReferencedContainer = "container:SnapKit.xcodeproj">
-            </BuildableReference>
-         </BuildActionEntry>
       </BuildActionEntries>
    </BuildAction>
    <TestAction

Source/Constraint.swift

@@ -114,9 +114,13 @@ public class Constraint {
                     } else {
                         layoutToAttribute = layoutToAttributes[0]
                     }
+                } else {
+                    if self.to.target == nil && (layoutFromAttribute == .centerX || layoutFromAttribute == .centerY) {
+                        layoutToAttribute = layoutFromAttribute == .centerX ? .left : .top
                     } else {
                         layoutToAttribute = layoutFromAttribute
                     }
+                }
             #else
                 if self.from.attributes == self.to.attributes {
                     layoutToAttribute = layoutFromAttribute
@@ -228,9 +232,19 @@ public class Constraint {
         for layoutConstraint in self.layoutConstraints {
             let attribute = (layoutConstraint.secondAttribute == .notAnAttribute) ? layoutConstraint.firstAttribute : layoutConstraint.secondAttribute
             layoutConstraint.constant = self.constant.constraintConstantTargetValueFor(layoutAttribute: attribute)
+            
+            #if os(iOS) || os(tvOS)
+                let requiredPriority: UILayoutPriority = UILayoutPriorityRequired
+            #else
+                let requiredPriority: Float = 1000.0
+            #endif
+            
+            
+            if (layoutConstraint.priority < requiredPriority), (self.priority.constraintPriorityTargetValue != requiredPriority) {
                 layoutConstraint.priority = self.priority.constraintPriorityTargetValue
             }
         }
+    }
     
     internal func activateIfNeeded(updatingExisting: Bool = false) {
         guard let view = self.from.view else {

Source/ConstraintMaker.swift

@@ -93,6 +93,11 @@ public class ConstraintMaker {
         return self.makeExtendableWithAttributes(.rightMargin)
     }
     
+    @available(iOS 8.0, *)
+    public var topMargin: ConstraintMakerExtendable {
+        return self.makeExtendableWithAttributes(.topMargin)
+    }
+    
     @available(iOS 8.0, *)
     public var bottomMargin: ConstraintMakerExtendable {
         return self.makeExtendableWithAttributes(.bottomMargin)

Source/ConstraintMakerRelatable.swift

@@ -87,9 +87,24 @@ public class ConstraintMakerRelatable {
         return self.relatedTo(other, relation: .lessThanOrEqual, file: file, line: line)
     }
     
+    @discardableResult
+    public func lessThanOrEqualToSuperview(_ file: String = #file, _ line: UInt = #line) -> ConstraintMakerEditable {
+        guard let other = self.description.view.superview else {
+            fatalError("Expected superview but found nil when attempting make constraint `lessThanOrEqualToSuperview`.")
+        }
+        return self.relatedTo(other, relation: .lessThanOrEqual, file: file, line: line)
+    }
+    
     @discardableResult
     public func greaterThanOrEqualTo(_ other: ConstraintRelatableTarget, _ file: String = #file, line: UInt = #line) -> ConstraintMakerEditable {
         return self.relatedTo(other, relation: .greaterThanOrEqual, file: file, line: line)
     }
     
+    @discardableResult
+    public func greaterThanOrEqualToSuperview(_ file: String = #file, line: UInt = #line) -> ConstraintMakerEditable {
+        guard let other = self.description.view.superview else {
+            fatalError("Expected superview but found nil when attempting make constraint `greaterThanOrEqualToSuperview`.")
+        }
+        return self.relatedTo(other, relation: .greaterThanOrEqual, file: file, line: line)
+    }
 }