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Quickly return min size if a stack has no children

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Huy Nguyen
2015-11-15 23:27:11 +02:00
parent 59d52ced3f
commit 390d16caef
1 changed files with 4 additions and 0 deletions
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4
AsyncDisplayKit/Layout/ASStackLayoutSpec.mm
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@@ -109,6 +109,10 @@
- (ASLayout *)measureWithSizeRange:(ASSizeRange)constrainedSize
{
if (self.children.count == 0) {
return [ASLayout layoutWithLayoutableObject:self size:constrainedSize.min];
}
ASStackLayoutSpecStyle style = {.direction = _direction, .spacing = _spacing, .justifyContent = _justifyContent, .alignItems = _alignItems, .baselineRelativeArrangement = _baselineRelativeArrangement};
BOOL needsBaselinePass = _baselineRelativeArrangement || _alignItems == ASStackLayoutAlignItemsBaselineFirst || _alignItems == ASStackLayoutAlignItemsBaselineLast;