Add spm support (#14)

* Add spm support

* Add missing imports

* Raise minimum ios version

* Add missing import

Colander.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name             = 'Colander'
-  s.version          = '0.2.5'
+  s.version          = '0.3.0'
   s.summary          = 'A highly customizable iOS calendar view'
 
   s.description      = <<-DESC
@@ -14,12 +14,12 @@ Pod::Spec.new do |s|
   s.author           = { 'Bryan Oltman' => '[email protected]' }
   s.source           = { :git => 'https://github.com/blueapron/Colander.git', :tag => s.version.to_s }
 
-  s.ios.deployment_target = '10.0'
-  s.swift_version = '5.0'
+  s.ios.deployment_target = '13.0'
+  s.swift_version = '5.7'
 
-  s.source_files = 'Colander/Classes/**/*'
+  s.source_files = 'Sources/Colander/Classes/**/*'
 
-  s.dependency 'SnapKit', '~> 5.0.1'
-  s.dependency 'SwiftDate', '~> 6.3.1'
+  s.dependency 'SnapKit', '~> 5.6.0'
+  s.dependency 'SwiftDate', '~> 7.0.0'
 
 end

Package.resolved

@@ -0,0 +1,23 @@
+{
+  "pins" : [
+    {
+      "identity" : "snapkit",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/SnapKit/SnapKit.git",
+      "state" : {
+        "revision" : "f222cbdf325885926566172f6f5f06af95473158",
+        "version" : "5.6.0"
+      }
+    },
+    {
+      "identity" : "swiftdate",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/malcommac/SwiftDate.git",
+      "state" : {
+        "revision" : "5d943224c3bb173e6ecf27295611615eba90c80e",
+        "version" : "7.0.0"
+      }
+    }
+  ],
+  "version" : 2
+}

Package.swift

@@ -0,0 +1,26 @@
+// swift-tools-version: 5.7
+// The swift-tools-version declares the minimum version of Swift required to build this package.
+
+import PackageDescription
+
+let package = Package(
+    name: "Colander",
+    platforms: [
+        .iOS(.v13)
+    ],
+    products: [
+        .library(
+            name: "Colander",
+            targets: ["Colander"]),
+    ],
+    dependencies: [
+        .package(url: "https://github.com/SnapKit/SnapKit.git", from: "5.6.0"),
+        .package(url: "https://github.com/malcommac/SwiftDate.git", from: "7.0.0")
+    ],
+    targets: [
+        .target(
+            name: "Colander",
+            dependencies: [])
+    ],
+    swiftLanguageVersions: [.v5]
+)

Colander/Classes/CalendarDayCell.swift → Sources/Colander/Classes/CalendarDayCell.swift

@@ -1,3 +1,7 @@
+#if canImport(UIKit)
+
+import UIKit
+
 open class CalendarDayCell: UICollectionViewCell, Dated, DateFormatting {
     public let dateFormatter: DateFormatter = {
         let formatter = DateFormatter()
@@ -39,3 +43,5 @@ open class CalendarDayCell: UICollectionViewCell, Dated, DateFormatting {
         date = nil
     }
 }
+
+#endif

Colander/Classes/CalendarView.swift → Sources/Colander/Classes/CalendarView.swift

@@ -1,6 +1,8 @@
+#if canImport(UIKit)
+
+import UIKit
 import SnapKit
 import SwiftDate
-import UIKit
 
 public protocol CalendarViewDataSource: AnyObject {
     var calendar: Calendar { get }
@@ -336,3 +338,5 @@ extension CalendarView: UICollectionViewDelegateFlowLayout {
         delegate?.calendar(self, didDeselectCell: cell, forDate: date)
     }
 }
+
+#endif

Colander/Classes/CalendarViewModel.swift → Sources/Colander/Classes/CalendarViewModel.swift

@@ -6,6 +6,8 @@
 //  Copyright © 2017 Blue Apron. All rights reserved.
 //
 
+#if canImport(UIKit)
+
 import Foundation
 import SwiftDate
 
@@ -137,3 +139,5 @@ class CalendarViewModel {
         return dates
     }
 }
+
+#endif

Colander/Classes/DateExtensions.swift → Sources/Colander/Classes/DateExtensions.swift

@@ -1,5 +1,10 @@
+#if canImport(UIKit)
+
+import Foundation
 import SwiftDate
 
 internal extension Calendar {
     static let gregorian = Calendar(identifier: Calendar.Identifier.gregorian)
 }
+
+#endif

Colander/Classes/MonthInfo.swift → Sources/Colander/Classes/MonthInfo.swift

@@ -6,6 +6,8 @@
 //  Copyright © 2017 Blue Apron. All rights reserved.
 //
 
+#if canImport(UIKit)
+
 import Foundation
 import SwiftDate
 
@@ -23,3 +25,5 @@ struct MonthInfo {
         self.numberOfDaysInMonth = date.monthDays
     }
 }
+
+#endif