Create CI workflow

.github/workflows/ci.yaml

@@ -0,0 +1,95 @@
+name: CI
+on:
+  workflow_dispatch:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+env:
+  XCODE_PROJECT: VoiceAssistant.xcodeproj
+  XCODE_SCHEME: VoiceAssistant
+jobs:
+  build-and-test:
+    name: Build & Test
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+            # For information about the runner images and the software each image contains,
+            # refer to: https://github.com/actions/runner-images
+            - os: macos-15
+              xcode: 16.2
+              sdk: xrsimulator2.2
+            - os: macos-15
+              xcode: 16.2
+              sdk: macosx15.2
+            - os: macos-15
+              xcode: 16.2
+              sdk: iphonesimulator18.2
+    runs-on: ${{ matrix.os }}
+    timeout-minutes: 30
+    defaults:
+      run:
+        shell: bash
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      ## Currently there are no tests that require the server to be running
+      ## Uncomment this when adding tests that require the server to be running
+      ## ------------------------------------------------------------------------
+      # - name: Install LiveKit Server
+      #  run: brew install livekit
+      # - name: Run LiveKit Server
+      #  run: livekit-server --dev &
+
+      - name: Setup Xcode ${{ matrix.xcode }}
+        uses: maxim-lobanov/setup-xcode@v1
+        with:
+          xcode-version: ${{ matrix.xcode }}
+
+      - name: Print Versions
+        run: |
+          xcodebuild -version
+          xcrun swift --version
+
+      - name: Cache
+        uses: irgaly/xcode-cache@v1
+        with:
+          key: xcode-${{ matrix.xcode }}-${{ matrix.sdk }}-${{ github.sha }}
+          restore-keys: xcode-${{ matrix.xcode }}-${{ matrix.sdk }}-
+
+      - name: Write Default Config
+        run: cd VoiceAssistant && cat .env.example.xcconfig > .env.xcconfig
+
+      - name: Build for Testing
+        run: |
+          set -o pipefail && xcodebuild build-for-testing \
+            -project ${{ env.XCODE_PROJECT }} \
+            -scheme ${{ env.XCODE_SCHEME }} \
+            -sdk ${{ matrix.sdk }} \
+            CODE_SIGN_IDENTITY="" | xcbeautify --renderer github-actions
+
+      ## This project does not currently have tests
+      ## Uncomment this once they are added
+      ## ------------------------------------------------------------------------
+      # - name: Run Tests
+      #  run: |
+      #    set -o pipefail && xcodebuild test-without-building \
+      #      -project ${{ env.XCODE_PROJECT }} \
+      #      -scheme ${{ env.XCODE_SCHEME }} \
+      #      --sdk ${{ matrix.sdk }} \
+      #      -parallel-testing-enabled YES \
+      #      -parallel-testing-worker-count 4 | xcbeautify --renderer github-actions
+
+  lint:
+    name: Lint
+    runs-on: macos-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: SwiftFormat Lint
+        run: swiftformat --lint . --reporter github-actions-log
+        # Comes pre-installed on macOS runners

.swift-version

@@ -0,0 +1 @@
+6.0

.swiftformat

@@ -0,0 +1 @@
+--ifdef no-indent

VoiceAssistant/ContentView.swift

@@ -7,32 +7,32 @@ import LiveKitKrispNoiseFilter
 struct ContentView: View {
     @StateObject private var room = Room()
 
-// Krisp is available only on iOS and macOS right now
-// Krisp is also a feature of LiveKit Cloud, so if you're using open-source / self-hosted you should remove this
-#if os(iOS) || os(macOS)
+    // Krisp is available only on iOS and macOS right now
+    // Krisp is also a feature of LiveKit Cloud, so if you're using open-source / self-hosted you should remove this
+    #if os(iOS) || os(macOS)
     private let krispProcessor = LiveKitKrispNoiseFilter()
-#endif
-    
+    #endif
+
     init() {
-#if os(iOS) || os(macOS)
+        #if os(iOS) || os(macOS)
         AudioManager.shared.capturePostProcessingDelegate = krispProcessor
-#endif
+        #endif
     }
-    
+
     var body: some View {
         VStack(spacing: 24) {
             StatusView()
                 .frame(height: 256)
                 .frame(maxWidth: 512)
-            
+
             ControlBar()
         }
         .padding()
         .environmentObject(room)
         .onAppear {
-#if os(iOS) || os(macOS)
+            #if os(iOS) || os(macOS)
             room.add(delegate: krispProcessor)
-#endif
+            #endif
         }
     }
 }

VoiceAssistant/ControlBar.swift

@@ -6,7 +6,6 @@ import SwiftUI
 /// The ControlBar component handles connection, disconnection, and audio controls
 /// You can customize this component to fit your app's needs
 struct ControlBar: View {
-
     // We injected these into the environment in VoiceAssistantApp.swift and ContentView.swift
     @EnvironmentObject private var tokenService: TokenService
     @EnvironmentObject private var room: Room
@@ -18,19 +17,18 @@ struct ControlBar: View {
     // Namespace for view transitions
     @Namespace private var animation
 
-
     // These are the overall configurations for this component, based on current app state
     private enum Configuration {
         case disconnected, connected, transitioning
     }
 
     private var currentConfiguration: Configuration {
         if isConnecting || isDisconnecting {
-            return .transitioning
+            .transitioning
         } else if room.connectionState == .disconnected {
-            return .disconnected
+            .disconnected
         } else {
-            return .connected
+            .connected
         }
     }
 
@@ -56,7 +54,7 @@ struct ControlBar: View {
                         } icon: {
                             Image(
                                 systemName: room.localParticipant.isMicrophoneEnabled()
-                                ? "mic" : "mic.slash")
+                                    ? "mic" : "mic.slash")
                         }
                         .labelStyle(.iconOnly)
                         .frame(width: 44, height: 44)
@@ -66,17 +64,17 @@ struct ControlBar: View {
 
                     LocalAudioVisualizer(track: room.localParticipant.firstAudioTrack)
                         .frame(height: 44)
-                        .id(room.localParticipant.firstAudioTrack?.id ?? "no-track")  // Force the component to re-render when the track changes
-#if !os(macOS)
-                    // Add extra padding to the visualizer if there's no third button
+                        .id(room.localParticipant.firstAudioTrack?.id ?? "no-track") // Force the component to re-render when the track changes
+                    #if !os(macOS)
+                        // Add extra padding to the visualizer if there's no third button
                         .padding(.trailing, 8)
-#endif
+                    #endif
 
-#if os(macOS)
+                    #if os(macOS)
                     // Only on macOS, show the audio device selector
                     // iOS/visionOS users need to use their control center to change the audio input device
                     AudioDeviceSelector()
-#endif
+                    #endif
                 }
                 .background(.primary.opacity(0.1))
                 .cornerRadius(8)
@@ -114,7 +112,8 @@ struct ControlBar: View {
                 ) {
                     // Connect to the room and enable the microphone
                     try await room.connect(
-                        url: connectionDetails.serverUrl, token: connectionDetails.participantToken)
+                        url: connectionDetails.serverUrl, token: connectionDetails.participantToken
+                    )
                     try await room.localParticipant.setMicrophone(enabled: true)
                 } else {
                     print("Failed to fetch connection details")
@@ -149,18 +148,20 @@ private struct LocalAudioVisualizer: View {
             wrappedValue: AudioProcessor(
                 track: track,
                 bandCount: 9,
-                isCentered: false))
+                isCentered: false
+            ))
     }
 
     public var body: some View {
         HStack(spacing: 3) {
-            ForEach(0..<9, id: \.self) { index in
+            ForEach(0 ..< 9, id: \.self) { index in
                 Rectangle()
                     .fill(.primary)
                     .frame(width: 2)
                     .frame(maxHeight: .infinity)
                     .scaleEffect(
-                        y: max(0.05, CGFloat(audioProcessor.bands[index])), anchor: .center)
+                        y: max(0.05, CGFloat(audioProcessor.bands[index])), anchor: .center
+                    )
             }
         }
         .padding(.vertical, 8)
@@ -269,7 +270,7 @@ private struct AudioDeviceSelector: View {
             // Listen for audio device changes
             // Note that this listener is global so can only override it from one spot
             // In a more complex app, you may need a different approach
-            AudioManager.shared.onDeviceUpdate = { manager in
+            AudioManager.shared.onDeviceUpdate = { _ in
                 Task { @MainActor in
                     updateDevices()
                 }