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Check alternate in ReactTreeTraversal #8992

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Merged
sophiebits merged 1 commit into from
Feb 13, 2017
Merged

Check alternate in ReactTreeTraversal #8992

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4 changes: 2 additions & 2 deletions src/renderers/shared/shared/ReactTreeTraversal.js
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Original file line number Diff line number Diff line change
Expand Up @@ -62,7 +62,7 @@ function getLowestCommonAncestor(instA, instB) {
// Walk in lockstep until we find a match.
var depth = depthA;
while (depth--) {
if (instA === instB) {
if (instA === instB || instA === instB.alternate) {
return instA;
}
instA = getParent(instA);
Expand All @@ -76,7 +76,7 @@ function getLowestCommonAncestor(instA, instB) {
*/
function isAncestor(instA, instB) {
while (instB) {
if (instB === instA) {
if (instA === instB || instA === instB.alternate) {
return true;
}
instB = getParent(instB);
Expand Down