tool: use switch expressions (#125930)

packages/flutter_tools/lib/src/base/os.dart

@@ -611,16 +611,11 @@ enum HostPlatform {
 }
 
 String getNameForHostPlatform(HostPlatform platform) {
-  switch (platform) {
-    case HostPlatform.darwin_x64:
-      return 'darwin-x64';
-    case HostPlatform.darwin_arm64:
-      return 'darwin-arm64';
-    case HostPlatform.linux_x64:
-      return 'linux-x64';
-    case HostPlatform.linux_arm64:
-      return 'linux-arm64';
-    case HostPlatform.windows_x64:
-      return 'windows-x64';
-  }
+  return switch (platform) {
+    HostPlatform.darwin_x64 => 'darwin-x64',
+    HostPlatform.darwin_arm64 => 'darwin-arm64',
+    HostPlatform.linux_x64 => 'linux-x64',
+    HostPlatform.linux_arm64 => 'linux-arm64',
+    HostPlatform.windows_x64 => 'windows-x64'
+  };
 }

packages/flutter_tools/lib/src/build_info.dart

@@ -614,14 +614,11 @@ List<DarwinArch> defaultMacOSArchsForEnvironment(Artifacts artifacts) {
 // instructions are then built into architecture-specific binaries, which are
 // merged into a universal binary using the `lipo` tool.
 String getDartNameForDarwinArch(DarwinArch arch) {
-  switch (arch) {
-    case DarwinArch.armv7:
-      return 'armv7';
-    case DarwinArch.arm64:
-      return 'arm64';
-    case DarwinArch.x86_64:
-      return 'x64';
-  }
+  return switch (arch) {
+    DarwinArch.armv7 => 'armv7',
+    DarwinArch.arm64 => 'arm64',
+    DarwinArch.x86_64 => 'x64'
+  };
 }
 
 // Returns Apple's name for the specified target architecture.
@@ -633,14 +630,11 @@ String getDartNameForDarwinArch(DarwinArch arch) {
 // For consistency with developer expectations, Flutter outputs also use these
 // architecture names in its build products for Darwin target platforms.
 String getNameForDarwinArch(DarwinArch arch) {
-  switch (arch) {
-    case DarwinArch.armv7:
-      return 'armv7';
-    case DarwinArch.arm64:
-      return 'arm64';
-    case DarwinArch.x86_64:
-      return 'x86_64';
-  }
+  return switch (arch) {
+    DarwinArch.armv7 => 'armv7',
+    DarwinArch.arm64 => 'arm64',
+    DarwinArch.x86_64 => 'x86_64'
+  };
 }
 
 DarwinArch getIOSArchForName(String arch) {
@@ -758,29 +752,21 @@ AndroidArch getAndroidArchForName(String platform) {
 }
 
 String getNameForAndroidArch(AndroidArch arch) {
-  switch (arch) {
-    case AndroidArch.armeabi_v7a:
-      return 'armeabi-v7a';
-    case AndroidArch.arm64_v8a:
-      return 'arm64-v8a';
-    case AndroidArch.x86_64:
-      return 'x86_64';
-    case AndroidArch.x86:
-      return 'x86';
-  }
+  return switch (arch) {
+    AndroidArch.armeabi_v7a => 'armeabi-v7a',
+    AndroidArch.arm64_v8a => 'arm64-v8a',
+    AndroidArch.x86_64 => 'x86_64',
+    AndroidArch.x86 => 'x86'
+  };
 }
 
 String getPlatformNameForAndroidArch(AndroidArch arch) {
-  switch (arch) {
-    case AndroidArch.armeabi_v7a:
-      return 'android-arm';
-    case AndroidArch.arm64_v8a:
-      return 'android-arm64';
-    case AndroidArch.x86_64:
-      return 'android-x64';
-    case AndroidArch.x86:
-      return 'android-x86';
-  }
+  return switch (arch) {
+    AndroidArch.armeabi_v7a => 'android-arm',
+    AndroidArch.arm64_v8a => 'android-arm64',
+    AndroidArch.x86_64 => 'android-x64',
+    AndroidArch.x86 => 'android-x86'
+  };
 }
 
 String fuchsiaArchForTargetPlatform(TargetPlatform targetPlatform) {
@@ -1059,18 +1045,13 @@ String getNameForTargetPlatformArch(TargetPlatform platform) {
 }
 
 String getNameForHostPlatformArch(HostPlatform platform) {
-  switch (platform) {
-    case HostPlatform.darwin_x64:
-      return 'x64';
-    case HostPlatform.darwin_arm64:
-      return 'arm64';
-    case HostPlatform.linux_x64:
-      return 'x64';
-    case HostPlatform.linux_arm64:
-      return 'arm64';
-    case HostPlatform.windows_x64:
-      return 'x64';
-  }
+  return switch (platform) {
+    HostPlatform.darwin_x64 => 'x64',
+    HostPlatform.darwin_arm64 => 'arm64',
+    HostPlatform.linux_x64 => 'x64',
+    HostPlatform.linux_arm64 => 'arm64',
+    HostPlatform.windows_x64 => 'x64'
+  };
 }
 
 String? _uncapitalize(String? s) {

packages/flutter_tools/lib/src/build_system/build_system.dart

@@ -1160,18 +1160,13 @@ class InvalidatedReason {
 
   @override
   String toString() {
-    switch (kind) {
-      case InvalidatedReasonKind.inputMissing:
-        return 'The following inputs were missing: ${data.join(',')}';
-      case InvalidatedReasonKind.inputChanged:
-        return 'The following inputs have updated contents: ${data.join(',')}';
-      case InvalidatedReasonKind.outputChanged:
-        return 'The following outputs have updated contents: ${data.join(',')}';
-      case InvalidatedReasonKind.outputMissing:
-        return 'The following outputs were missing: ${data.join(',')}';
-      case InvalidatedReasonKind.outputSetChanged:
-        return 'The following outputs were removed from the output set: ${data.join(',')}';
-    }
+    return switch (kind) {
+      InvalidatedReasonKind.inputMissing => 'The following inputs were missing: ${data.join(',')}',
+      InvalidatedReasonKind.inputChanged => 'The following inputs have updated contents: ${data.join(',')}',
+      InvalidatedReasonKind.outputChanged => 'The following outputs have updated contents: ${data.join(',')}',
+      InvalidatedReasonKind.outputMissing => 'The following outputs were missing: ${data.join(',')}',
+      InvalidatedReasonKind.outputSetChanged => 'The following outputs were removed from the output set: ${data.join(',')}'
+    };
   }
 }
 

packages/flutter_tools/lib/src/ios/mac.dart

@@ -578,12 +578,10 @@ Future<void> diagnoseXcodeBuildFailure(XcodeBuildResult result, Usage flutterUsa
 enum XcodeBuildAction { build, archive }
 
 String xcodeBuildActionToString(XcodeBuildAction action) {
-    switch (action) {
-      case XcodeBuildAction.build:
-        return 'build';
-      case XcodeBuildAction.archive:
-        return 'archive';
-    }
+    return switch (action) {
+      XcodeBuildAction.build => 'build',
+      XcodeBuildAction.archive => 'archive'
+    };
 }
 
 class XcodeBuildResult {

packages/flutter_tools/test/general.shard/macos/macos_device_test.dart

@@ -252,15 +252,11 @@ FlutterProject setUpFlutterProject(Directory directory) {
 class FakeMacOSApp extends Fake implements MacOSApp {
   @override
   String executable(BuildInfo buildInfo) {
-    switch (buildInfo) {
-      case BuildInfo.debug:
-        return 'debug/executable';
-      case BuildInfo.profile:
-        return 'profile/executable';
-      case BuildInfo.release:
-        return 'release/executable';
-      default:
-        throw StateError('');
-    }
+    return switch (buildInfo) {
+      BuildInfo.debug => 'debug/executable',
+      BuildInfo.profile => 'profile/executable',
+      BuildInfo.release => 'release/executable',
+      _ => throw StateError('')
+    };
   }
 }

packages/flutter_tools/test/src/fake_http_client.dart

@@ -40,20 +40,14 @@ HttpMethod _fromMethodString(String value) {
 }
 
 String _toMethodString(HttpMethod method) {
-  switch (method) {
-    case HttpMethod.get:
-      return 'GET';
-    case HttpMethod.put:
-      return 'PUT';
-    case HttpMethod.delete:
-      return 'DELETE';
-    case HttpMethod.post:
-      return 'POST';
-    case HttpMethod.patch:
-      return 'PATCH';
-    case HttpMethod.head:
-      return 'HEAD';
-  }
+  return switch (method) {
+    HttpMethod.get => 'GET',
+    HttpMethod.put => 'PUT',
+    HttpMethod.delete => 'DELETE',
+    HttpMethod.post => 'POST',
+    HttpMethod.patch => 'PATCH',
+    HttpMethod.head => 'HEAD'
+  };
 }
 
 /// Create a fake request that configures the [FakeHttpClient] to respond