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Workaround for exhaustivness bug in dart2js (#123242)

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Workaround for exhaustiveness bug in dart2js
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Michael Goderbauer 2023-03-22 14:45:19 -07:00 committed by GitHub
parent fda9ecfef7
commit f68a676353
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1 changed files with 6 additions and 0 deletions
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6
packages/flutter/lib/src/widgets/focus_traversal.dart
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@ -444,6 +444,9 @@ abstract class FocusTraversalPolicy with Diagnosticable {
case TraversalEdgeBehavior.closedLoop: case TraversalEdgeBehavior.closedLoop:
_focusAndEnsureVisible(sortedNodes.first, alignmentPolicy: ScrollPositionAlignmentPolicy.keepVisibleAtEnd); _focusAndEnsureVisible(sortedNodes.first, alignmentPolicy: ScrollPositionAlignmentPolicy.keepVisibleAtEnd);
return true; 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) { if (!forward && focusedChild == sortedNodes.first) {
@ -454,6 +457,9 @@ abstract class FocusTraversalPolicy with Diagnosticable {
case TraversalEdgeBehavior.closedLoop: case TraversalEdgeBehavior.closedLoop:
_focusAndEnsureVisible(sortedNodes.last, alignmentPolicy: ScrollPositionAlignmentPolicy.keepVisibleAtStart); _focusAndEnsureVisible(sortedNodes.last, alignmentPolicy: ScrollPositionAlignmentPolicy.keepVisibleAtStart);
return true; 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');
} }
} }