Precise DOM morphing
morphing
typescript
dom
Fixes
+3
-1
+3
-1
src/morphlex.ts
+3
-1
src/morphlex.ts
···
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59
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function moveBefore(parent: ParentNode, node: ChildNode, insertionPoint: ChildNode | null): void {
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if (node === insertionPoint) return
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+
if (node.parentNode === parent && node.nextSibling === insertionPoint) return
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-
if ("moveBefore" in parent && typeof parent.moveBefore === "function") {
64
+
// Use moveBefore when available and the node is already in the same parent
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+
if ("moveBefore" in parent && typeof parent.moveBefore === "function" && node.parentNode === parent) {
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parent.moveBefore(node, insertionPoint)
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} else {
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parent.insertBefore(node, insertionPoint)