Add Swiftlint step to CI

.github/workflows/tests.yml

@@ -10,10 +10,16 @@ on:
     branches: [ "main" ]
 
 jobs:
+  lint:
+    runs-on: macos-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: cirruslabs/swiftlint-action@v1
+        with:
+          version: latest
+
   build:
-
     runs-on: macos-latest
-
     steps:
     - uses: actions/checkout@v4
     - name: Build for iOS

Package.swift

@@ -12,14 +12,14 @@ let package = Package(
     products: [
         .library(
             name: "SegmentedPicker",
-            targets: ["SegmentedPicker"]),
+            targets: ["SegmentedPicker"])
     ],
     dependencies: [
         .package(
             url: "https://github.com/pointfreeco/swift-snapshot-testing",
             from: "1.12.0"
         )
-       
+
     ],
     targets: [
         .target(
@@ -30,6 +30,6 @@ let package = Package(
             dependencies: [
                 "SegmentedPicker",
                 .product(name: "SnapshotTesting", package: "swift-snapshot-testing")
-            ]),
+            ])
     ]
 )

Sources/SegmentedPicker/HorizontalAlignment.swift

@@ -13,7 +13,7 @@ extension HorizontalAlignment {
             return dimension[HorizontalAlignment.center]
         }
     }
-    
+
     static var horizontalCenterAlignment: HorizontalAlignment {
         HorizontalAlignment(CenterAlignmentID.self)
     }

Sources/SegmentedPicker/SegmentedPicker.swift

@@ -11,9 +11,9 @@ public struct SegmentedPicker<Element, Content, Selection>: View
     where
     Content: View,
     Selection: View {
-    
+
     public typealias Data = [Element]
-    
+
     @State private var segmentSizes: [Data.Index: CGSize] = [:]
     @Binding private var selectedIndex: Data.Index?
 
@@ -34,7 +34,7 @@ public struct SegmentedPicker<Element, Content, Selection>: View
         self._selectedIndex = selectedIndex
         self.selectionAlignment = selectionAlignment
     }
-    
+
     public var body: some View {
         ZStack(alignment: Alignment(horizontal: .horizontalCenterAlignment,
                                     vertical: selectionAlignment)) {
@@ -74,7 +74,7 @@ public struct SegmentedPicker<Element, Content, Selection>: View
 }
 
 private extension SegmentedPicker {
-    
+
     func selectionSize(at index: Data.Index) -> CGSize {
         segmentSizes[index] ?? .zero
     }
@@ -85,13 +85,13 @@ private extension SegmentedPicker {
         let index: Int
         let size: CGSize
     }
-    
+
     struct SegmentSizePreferenceKey: PreferenceKey {
         static var defaultValue: SegmentSize { SegmentSize(index: .zero, size: .zero) }
-        
-        static func reduce(value: inout SegmentSize, 
+
+        static func reduce(value: inout SegmentSize,
                            nextValue: () -> SegmentSize) {
-            
+
             value = nextValue()
         }
     }

Tests/SegmentedPickerTests/CapsuleSelectionViewTests.swift

@@ -10,13 +10,13 @@ import UIKit
 import XCTest
 import SnapshotTesting
 @testable import SegmentedPicker
- 
+
 final class CapsuleSelectionViewTests: XCTestCase {
     func test_WhenSelectionIsNotProvided_SelectionIsNotVisible_Snapshot() {
         let view = CapsuleSelectionView(titles: ["One", "Two", "Three"])
         assertSnapshots(of: view, as: [.image(layout: .device(config: .iPhone13))])
     }
-    
+
     func test_WhenSelectionIsProvided_SelectionIsVisible_Snapshot() {
         let view = CapsuleSelectionView(titles: ["One", "Two", "Three"], selectedIndex: 1)
         assertSnapshots(of: view, as: [.image(layout: .device(config: .iPhone13))])

Tests/SegmentedPickerTests/TestViews/CapsuleSelectionView.swift

@@ -30,7 +30,7 @@ struct CapsuleSelectionView: View {
                        .fill(Color.gray)
                })
        }
-       
+
        Spacer()
    }
 }

Tests/SegmentedPickerTests/TestViews/UnderlineSelectionView.swift

@@ -11,7 +11,7 @@ import SwiftUI
 struct UnderlineSelectionView: View {
     let titles: [String]
     @State var selectedIndex: Int?
-    
+
     var body: some View {
         VStack {
             SegmentedPicker(
@@ -22,7 +22,7 @@ struct UnderlineSelectionView: View {
                 selectionAlignment: .bottom,
                 content: { item, isSelected in
                     Text(item)
-                    
+
                         .foregroundColor(isSelected ? Color.black : Color.gray )
                         .padding(.horizontal, 16)
                         .padding(.vertical, 8)

Tests/SegmentedPickerTests/UnderlineSelectionViewTests.swift

@@ -16,7 +16,7 @@ final class UnderlineSelectionViewTest: XCTestCase {
         let view = UnderlineSelectionView(titles: ["One", "Two", "Three"])
         assertSnapshots(of: view, as: [.image(layout: .device(config: .iPhone13))])
     }
-    
+
     func test_WhenSelectionIsProvided_SelectionIsVisible_Snapshot() {
         let view = UnderlineSelectionView(titles: ["One", "Two", "Three"], selectedIndex: 1)
         assertSnapshots(of: view, as: [.image(layout: .device(config: .iPhone13))])