Revert "Workaround for exhaustivness bug in dart2js (#123242)" (#123727)

goderbauer · web-flow · commit 8c5d223bab70 · 2023-03-30T16:19:14.000Z
Revert "Workaround for exhaustivness bug in dart2js (#123242)"
diff --git a/packages/flutter/lib/src/widgets/focus_traversal.dart b/packages/flutter/lib/src/widgets/focus_traversal.dart
@@ -444,9 +444,6 @@ abstract class FocusTraversalPolicy with Diagnosticable {
         case TraversalEdgeBehavior.closedLoop:
           _focusAndEnsureVisible(sortedNodes.first, alignmentPolicy: ScrollPositionAlignmentPolicy.keepVisibleAtEnd);
           return true;
-        // TODO(goderbauer): Remove this hack once exhaustiveness bug is fixed, https://github.com/flutter/flutter/issues/123243.
-        default: // ignore: no_default_cases
-          throw UnsupportedError('unreachable');
       }
     }
     if (!forward && focusedChild == sortedNodes.first) {
@@ -457,9 +454,6 @@ abstract class FocusTraversalPolicy with Diagnosticable {
         case TraversalEdgeBehavior.closedLoop:
           _focusAndEnsureVisible(sortedNodes.last, alignmentPolicy: ScrollPositionAlignmentPolicy.keepVisibleAtStart);
           return true;
-        // TODO(goderbauer): Remove this hack once exhaustiveness bug is fixed, https://github.com/flutter/flutter/issues/123243.
-        default: // ignore: no_default_cases
-          throw UnsupportedError('unreachable');
       }
     }
 

Original file line number	Diff line number	Diff line change
`@@ -444,9 +444,6 @@ abstract class FocusTraversalPolicy with Diagnosticable {`
`444`	`444`	`case TraversalEdgeBehavior.closedLoop:`
`445`	`445`	`_focusAndEnsureVisible(sortedNodes.first, alignmentPolicy: ScrollPositionAlignmentPolicy.keepVisibleAtEnd);`
`446`	`446`	`return true;`
`447`		`- // TODO(goderbauer): Remove this hack once exhaustiveness bug is fixed, https://github.com/flutter/flutter/issues/123243.`
`448`		`- default: // ignore: no_default_cases`
`449`		`- throw UnsupportedError('unreachable');`
`450`	`447`	`}`
`451`	`448`	`}`
`452`	`449`	`if (!forward && focusedChild == sortedNodes.first) {`
`@@ -457,9 +454,6 @@ abstract class FocusTraversalPolicy with Diagnosticable {`
`457`	`454`	`case TraversalEdgeBehavior.closedLoop:`
`458`	`455`	`_focusAndEnsureVisible(sortedNodes.last, alignmentPolicy: ScrollPositionAlignmentPolicy.keepVisibleAtStart);`
`459`	`456`	`return true;`
`460`		`- // TODO(goderbauer): Remove this hack once exhaustiveness bug is fixed, https://github.com/flutter/flutter/issues/123243.`
`461`		`- default: // ignore: no_default_cases`
`462`		`- throw UnsupportedError('unreachable');`
`463`	`457`	`}`
`464`	`458`	`}`
`465`	`459`