From 7ff1018247d7589e5cca577199a5d052ec50dc1a Mon Sep 17 00:00:00 2001
From: Farnabaz <farnabaz@gmail.com>
Date: Mon, 12 Dec 2022 11:05:02 +0100
Subject: [PATCH] fix(ContentRendererMarkdown): recreate vNodes in render
 function (#1734)

---
 .../components/ContentRendererMarkdown.vue    | 62 +++++++------------
 1 file changed, 23 insertions(+), 39 deletions(-)

diff --git a/src/runtime/components/ContentRendererMarkdown.vue b/src/runtime/components/ContentRendererMarkdown.vue
index 34a997470..091603cf4 100644
--- a/src/runtime/components/ContentRendererMarkdown.vue
+++ b/src/runtime/components/ContentRendererMarkdown.vue
@@ -10,7 +10,6 @@ import { useRuntimeConfig, useRoute } from '#app'
 import type { MarkdownNode, ParsedContentMeta } from '../types'
 
 type CreateElement = typeof h
-type ContentVNode = VNode | string
 
 /**
  *  Default slot name
@@ -96,19 +95,11 @@ export default defineComponent({
     // Resolve component if it's a Vue component
     component = resolveVueComponent(component as string)
 
-    // Process children
-    const children = (body.children || []).map(child => renderNode(child, h, meta))
-
     // Return Vue component
     return h(
-        component as any,
-        {
-          ...meta.component?.props,
-          ...this.$attrs
-        },
-        {
-          default: createSlotFunction(children)
-        }
+      component as any,
+      { ...meta.component?.props, ...this.$attrs },
+      renderSlots(body, h, meta, meta)
     )
   }
 })
@@ -116,7 +107,7 @@ export default defineComponent({
 /**
  * Render a markdown node
  */
-function renderNode (node: MarkdownNode, h: CreateElement, documentMeta: ParsedContentMeta, parentScope: any = {}): ContentVNode {
+function renderNode (node: MarkdownNode, h: CreateElement, documentMeta: ParsedContentMeta, parentScope: any = {}): VNode {
   /**
    * Render Text node
    */
@@ -138,6 +129,7 @@ function renderNode (node: MarkdownNode, h: CreateElement, documentMeta: ParsedC
   }
 
   const props = propsToData(node, documentMeta)
+
   return h(
     component as any,
     props,
@@ -145,7 +137,7 @@ function renderNode (node: MarkdownNode, h: CreateElement, documentMeta: ParsedC
   )
 }
 
-function renderBinding (node: MarkdownNode, h: CreateElement, documentMeta: ParsedContentMeta, parentScope: any = {}): ContentVNode {
+function renderBinding (node: MarkdownNode, h: CreateElement, documentMeta: ParsedContentMeta, parentScope: any = {}): VNode {
   const data = {
     ...parentScope,
     $route: () => useRoute(),
@@ -171,31 +163,37 @@ function renderBinding (node: MarkdownNode, h: CreateElement, documentMeta: Pars
 /**
  * Create slots from `node` template children.
  */
-function renderSlots (node: MarkdownNode, h: CreateElement, documentMeta: ParsedContentMeta, parentProps: any): ContentVNode[] {
+function renderSlots (node: MarkdownNode, h: CreateElement, documentMeta: ParsedContentMeta, parentProps: any): Record<string, () => VNode[]> {
   const children: MarkdownNode[] = node.children || []
 
-  const slots: Record<string, Array<VNode | string>> = children.reduce((data, node) => {
+  const slotNodes: Record<string, MarkdownNode[]> = children.reduce((data, node) => {
     if (!isTemplate(node)) {
-      data[DEFAULT_SLOT].push(renderNode(node, h, documentMeta, parentProps))
-      return data
-    }
-
-    if (isDefaultTemplate(node)) {
-      data[DEFAULT_SLOT].push(...(node.children || []).map(child => renderNode(child, h, documentMeta, parentProps)))
+      data[DEFAULT_SLOT].push(node)
       return data
     }
 
     const slotName = getSlotName(node)
-    data[slotName] = (node.children || []).map(child => renderNode(child, h, documentMeta, parentProps))
+    data[slotName] = data[slotName] || []
+    // Append children to slot
+    data[slotName].push(...(node.children || []))
 
     return data
   }, {
     [DEFAULT_SLOT]: [] as any[]
   })
 
-  const slotEntries = Object.entries(slots).map(([name, vDom]) => ([name, createSlotFunction(vDom)]))
+  const slots = Object.entries(slotNodes).reduce((slots, [name, children]) => {
+    if (!children.length) { return slots }
+
+    slots[name] = () => {
+      const vNodes = children.map(child => renderNode(child, h, documentMeta, parentProps))
+      return mergeTextNodes(vNodes)
+    }
+
+    return slots
+  }, {} as Record<string, () => VNode[]>)
 
-  return Object.fromEntries(slotEntries)
+  return slots
 }
 
 /**
@@ -344,20 +342,6 @@ function getSlotName (node: MarkdownNode) {
   return name || DEFAULT_SLOT
 }
 
-/**
- * Create a factory function if there is a node in the list
- */
-function createSlotFunction (nodes: Array<VNode | string>) {
-  return (nodes.length ? () => mergeTextNodes(nodes as VNode[]) : undefined)
-}
-
-/**
- * Check if node is root
- */
-function isDefaultTemplate (node: MarkdownNode) {
-  return isTemplate(node) && getSlotName(node) === DEFAULT_SLOT
-}
-
 /**
  * Check if node is Vue template tag
  */