Merge 1bd8d6d into 796da5f

preactjs · Feb 15, 2020 · 191ac4b · 191ac4b
2 parents 796da5f + 1bd8d6d
commit 191ac4b
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/src/diff/children.js b/src/diff/children.js
@@ -98,6 +98,12 @@ export function diffChildren(
 
 				oldVNode = oldVNode || EMPTY_OBJ;
 
+				// If the previous node was a placeholder we pick a new value
+				// for oldDom
+				if (oldDom === undefined) {
+					oldDom = oldVNode._dom || null;
+				}
+
 				// Morph the old element into the new one, but don't append it to the dom yet
 				newDom = diff(
 					parentDom,
@@ -197,6 +203,9 @@ export function diffChildren(
 
 						newParentVNode._nextDom = oldDom;
 					}
+				} else {
+					// If newDom is null we have a placeholder node
+					oldDom = undefined;
 				}
 			}