Merge pull request #355 from glaphi/refactor/code-cleanup

Refactor code cleanup

Sources/DayViewController.swift

@@ -80,7 +80,7 @@ open class DayViewController: UIViewController, EventDataSource, DayViewDelegate
   }
 
   open func eventsForDate(_ date: Date) -> [EventDescriptor] {
-    return [Event]()
+    [Event]()
   }
 
   // MARK: - DayViewDelegate

Sources/DayViewState.swift

@@ -37,7 +37,7 @@ public final class DayViewState {
   }
 
   private func allClientsWithout(client: DayViewStateUpdating) -> [DayViewStateUpdating] {
-    return clients.filter{$0 !== client}
+    clients.filter{$0 !== client}
   }
 
   private func notify(clients: [DayViewStateUpdating], moveTo date: Date) {

Sources/Extensions/Array+Shift.swift

@@ -1,8 +1,8 @@
 extension Array {
-  mutating func shift(_ amount: Int) {
-    var amount = amount
-    guard -count...count ~= amount else { return }
-    if amount < 0 { amount += count }
-    self = Array(self[amount ..< count] + self[0 ..< amount])
+  mutating func shift(_ offset: Int) {
+    var offset = offset
+    guard abs(offset) < count else { return }
+    if offset < 0 { offset += count }
+    self = Array(self[offset ..< count] + self[0 ..< offset])
   }
 }

Sources/Header/DaySelector/DayDateCell.swift

@@ -77,7 +77,7 @@ public final class DayDateCell: UIView, DaySelectorItemProtocol {
   }
 
   private func component(component: Calendar.Component, from date: Date) -> Int {
-    return calendar.component(component, from: date)
+    calendar.component(component, from: date)
   }
 
   private func isAWeekend(date: Date) -> Bool {

Sources/Header/SwipeLabelView.swift

@@ -105,8 +105,9 @@ public final class SwipeLabelView: UIView, DayViewStateUpdating {
   // MARK: DayViewStateUpdating
 
   public func move(from oldDate: Date, to newDate: Date) {
-    guard newDate != oldDate
-      else { return }
+    guard newDate != oldDate else {
+      return
+    }
     labels.last!.text = formattedDate(date: newDate)
 
     var direction: AnimationDirection = newDate > oldDate ? .Forward : .Backward

Sources/Timeline/Event.swift

@@ -39,7 +39,7 @@ public final class Event: EventDescriptor {
   }
 
   public func commitEditing() {
-    guard let edited = editedEvent else {return}
+    guard let edited = editedEvent else { return }
     edited.dateInterval = dateInterval
   }
 

Sources/Timeline/TimelineView.swift

@@ -558,7 +558,7 @@ public final class TimelineView: UIView {
   }
 
   private func component(component: Calendar.Component, from date: Date) -> Int {
-    return calendar.component(component, from: date)
+    calendar.component(component, from: date)
   }
 
   private func getDateInterval(date: Date) -> DateInterval {