fix(transform): transform should still apply even when node is removed

packages/compiler-core/src/codegen.ts

@@ -287,16 +287,20 @@ function genIfBranch(
   context: CodegenContext
 ) {
   if (condition) {
+    const { push, indent, deindent, newline } = context
     // v-if or v-else-if
-    context.push(`(${condition.content})`, condition)
+    push(`(${condition.content})`, condition)
-    context.push(`?`)
+    indent()
+    push(`? `)
     genChildren(children, context)
-    context.push(`:`)
+    newline()
+    push(`: `)
     if (nextIndex < branches.length) {
       genIfBranch(branches[nextIndex], branches, nextIndex + 1, context)
     } else {
       context.push(`null`)
     }
+    deindent()
   } else {
     // v-else
     __DEV__ && assert(nextIndex === branches.length)

packages/compiler-core/src/transform.ts

@@ -132,12 +132,13 @@ function traverseNode(
   for (let i = 0; i < nodeTransforms.length; i++) {
     const plugin = nodeTransforms[i]
     plugin(node, context)
-    if (!context.currentNode) {
+    // node may have been replaced
-      return
+    node = context.currentNode || node
-    } else {
+  }
-      // node may have been replaced
+
-      node = context.currentNode
+  if (!context.currentNode) {
-    }
+    // node was removed
+    return
   }
 
   // further traverse downwards