Add Swift Package Manager (SPM) support (#243)

* (wip) restructure for SPM

* cleanup

* restructure for SPM support

* clean up

* fix SPM source path

* fix podspec for new SPM paths

* remove header files from podspec

* move swiftlint trigger to DemoApp to isolate it from Carthage package

* add xcshareddata for schemes

* add SPM instruction to README

* fix Podfile error

* fix project path for slather/coveralls

* fix workspace path for travis

* fix workspace path for slather/coveralls

* turn off coverage for tvOS (iOS can be used for coverall)

* fix per review

Author: jaeopt

.gitignore

@@ -35,6 +35,7 @@ xcuserdata/
 build
 *.xcodeproj/*
 !*.xcodeproj/project.pbxproj
+!*.xcodeproj/xcshareddata/
 !*.xcworkspace/contents.xcworkspacedata
 
 # CocoaPods
@@ -52,6 +53,12 @@ Pods/
 
 Carthage/Build
 
+# SPM
+
+.build
+.swiftpm
+Packages
+
 # fastlane
 #
 # It is recommended to not store the screenshots in the git repo. Instead, use fastlane to re-generate the 

.slather.yml

@@ -1,5 +1,5 @@
 coverage_service: coveralls
-xcodeproj: OptimizelySDK/OptimizelySwiftSDK.xcodeproj
+xcodeproj: OptimizelySwiftSDK.xcodeproj
 scheme: OptimizelySwiftSDK-iOS
-workspace: OptimizelySDK.xcworkspace
+workspace: OptimizelySwiftSDK.xcworkspace
 configuration: Release

OptimizelySDK/.swiftlint.yml renamed to .swiftlint.yml

@@ -10,7 +10,7 @@ excluded:
 - Carthage
 - Pods
 - SwiftLint/Common/3rdPartyLib
-- OptimizelyTests
+- Tests
 line_length:
     warning: 350
     error: 400

OptimizelySDK/OptimizelySwiftSDK.xcodeproj/project.xcworkspace/contents.xcworkspacedata renamed to .swiftpm/xcode/package.xcworkspace/contents.xcworkspacedata

@@ -59,7 +59,7 @@ jobs:
         # preload simulator
         - Scripts/start_simulator.sh
       script:
-        - if [[ "$TRAVIS_BRANCH" == "master" ]]; then xcodebuild test -workspace OptimizelySDK.xcworkspace -scheme $SCHEME -configuration Release CODE_SIGN_IDENTITY="" CODE_SIGNING_REQUIRED=NO -sdk $TEST_SDK -destination "platform=$PLATFORM,OS=$OS,name=$NAME" ONLY_ACTIVE_ARCH=YES > buildoutput; cat buildoutput | xcpretty; fi
+        - if [[ "$TRAVIS_BRANCH" == "master" ]]; then xcodebuild test -workspace OptimizelySwiftSDK.xcworkspace -scheme $SCHEME -configuration Release CODE_SIGN_IDENTITY="" CODE_SIGNING_REQUIRED=NO -sdk $TEST_SDK -destination "platform=$PLATFORM,OS=$OS,name=$NAME" ONLY_ACTIVE_ARCH=YES > buildoutput; cat buildoutput | xcpretty; fi
       after_success:
         - slather
         - sleep 5 # https://github.com/travis-ci/travis-ci/issues/4725

OptimizelySDK.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist renamed to .swiftpm/xcode/package.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -174,16 +174,18 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
     }
 
     func openVariationView(variationKey: String?) {
-        let variationViewController = storyboard.instantiateViewController(withIdentifier: "VariationViewController") as! VariationViewController
+        if let variationViewController = storyboard.instantiateViewController(withIdentifier: "VariationViewController")
+            as? VariationViewController {
 
-        variationViewController.showCoupon = optimizely.isFeatureEnabled(featureKey: "show_coupon",
+            variationViewController.showCoupon = optimizely.isFeatureEnabled(featureKey: "show_coupon",
                                                                          userId: userId)
-        variationViewController.optimizely = optimizely
-        variationViewController.userId = userId
-        variationViewController.variationKey = variationKey
-        variationViewController.eventKey = eventKey
+            variationViewController.optimizely = optimizely
+            variationViewController.userId = userId
+            variationViewController.variationKey = variationKey
+            variationViewController.eventKey = eventKey
 
-        window?.rootViewController = variationViewController
+            window?.rootViewController = variationViewController
+        }
     }
 
     func openFailureView() {
@@ -207,7 +209,8 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
     func applicationWillTerminate(_ application: UIApplication) {
     }
 
-    func application(_ application: UIApplication, performFetchWithCompletionHandler completionHandler: (UIBackgroundFetchResult) -> Void) {
+    func application(_ application: UIApplication,
+                     performFetchWithCompletionHandler completionHandler: (UIBackgroundFetchResult) -> Void) {
 
         // add background fetch task here