From 36351fafb69020ec18301bd7ae3cd3f15c422f31 Mon Sep 17 00:00:00 2001
From: Evan You <yyx990803@gmail.com>
Date: Sat, 30 Dec 2023 20:04:28 +0800
Subject: [PATCH] fix: ensure consistent user template options when reusing AST

Note: requires vue 3.4.1
proper fix for #322
---
 packages/plugin-vue/src/template.ts              | 1 +
 packages/plugin-vue/src/utils/descriptorCache.ts | 3 ++-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/packages/plugin-vue/src/template.ts b/packages/plugin-vue/src/template.ts
index aee99a74..b2c00f69 100644
--- a/packages/plugin-vue/src/template.ts
+++ b/packages/plugin-vue/src/template.ts
@@ -186,6 +186,7 @@ export function resolveTemplateCompilerOptions(
   return {
     ...options.template,
     id,
+    ast: descriptor.template?.ast,
     filename,
     scoped: hasScoped,
     slotted: descriptor.slotted,
diff --git a/packages/plugin-vue/src/utils/descriptorCache.ts b/packages/plugin-vue/src/utils/descriptorCache.ts
index 584adb39..8637430b 100644
--- a/packages/plugin-vue/src/utils/descriptorCache.ts
+++ b/packages/plugin-vue/src/utils/descriptorCache.ts
@@ -22,12 +22,13 @@ const prevCache = new Map<string, SFCDescriptor | undefined>()
 export function createDescriptor(
   filename: string,
   source: string,
-  { root, isProduction, sourceMap, compiler }: ResolvedOptions,
+  { root, isProduction, sourceMap, compiler, template }: ResolvedOptions,
   hmr = false,
 ): SFCParseResult {
   const { descriptor, errors } = compiler.parse(source, {
     filename,
     sourceMap,
+    templateParseOptions: template?.compilerOptions,
   })
 
   // ensure the path is normalized in a way that is consistent inside