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close #491 check whether link node is head

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This commit is contained in:
Yanzhen Yu
2021-02-27 13:46:29 +08:00
parent 860ff38e90
commit 2c6be72f35
1 changed files with 5 additions and 1 deletions
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6
src/record/mutation.ts
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@@ -62,7 +62,11 @@ class DoubleLinkedList {
if (current) { if (current) {
current.previous = node; current.previous = node;
} }
} else if (n.nextSibling && isNodeInLinkedList(n.nextSibling)) { } else if (
n.nextSibling &&
isNodeInLinkedList(n.nextSibling) &&
n.nextSibling.__ln.previous
) {
const current = n.nextSibling.__ln.previous; const current = n.nextSibling.__ln.previous;
node.previous = current; node.previous = current;
node.next = n.nextSibling.__ln; node.next = n.nextSibling.__ln;