From ea72723c244a0857b6ec6d1eac8197c4d1d0c787 Mon Sep 17 00:00:00 2001
From: tycho <jh.leong@outlook.com>
Date: Wed, 8 Nov 2023 15:37:56 +0800
Subject: [PATCH] chore(compiler-core): extract `forAliasRE` regex

---
 packages/compiler-core/src/transforms/vFor.ts        | 4 ++--
 packages/compiler-core/src/utils.ts                  | 2 ++
 packages/compiler-sfc/src/script/importUsageCheck.ts | 3 +--
 3 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/packages/compiler-core/src/transforms/vFor.ts b/packages/compiler-core/src/transforms/vFor.ts
index a44532c0d58..56144dcd284 100644
--- a/packages/compiler-core/src/transforms/vFor.ts
+++ b/packages/compiler-core/src/transforms/vFor.ts
@@ -37,7 +37,8 @@ import {
   isTemplateNode,
   isSlotOutlet,
   injectProp,
-  findDir
+  findDir,
+  forAliasRE
 } from '../utils'
 import {
   RENDER_LIST,
@@ -308,7 +309,6 @@ export function processFor(
   }
 }
 
-const forAliasRE = /([\s\S]*?)\s+(?:in|of)\s+([\s\S]*)/
 // This regex doesn't cover the case if key or index aliases have destructuring,
 // but those do not make sense in the first place, so this works in practice.
 const forIteratorRE = /,([^,\}\]]*)(?:,([^,\}\]]*))?$/
diff --git a/packages/compiler-core/src/utils.ts b/packages/compiler-core/src/utils.ts
index bd2882b09e2..baffe5086f6 100644
--- a/packages/compiler-core/src/utils.ts
+++ b/packages/compiler-core/src/utils.ts
@@ -519,3 +519,5 @@ export function getMemoedVNodeCall(node: BlockCodegenNode | MemoExpression) {
     return node
   }
 }
+
+export const forAliasRE = /([\s\S]*?)\s+(?:in|of)\s+([\s\S]*)/
diff --git a/packages/compiler-sfc/src/script/importUsageCheck.ts b/packages/compiler-sfc/src/script/importUsageCheck.ts
index a7e2e6f3565..34e95f1918b 100644
--- a/packages/compiler-sfc/src/script/importUsageCheck.ts
+++ b/packages/compiler-sfc/src/script/importUsageCheck.ts
@@ -4,6 +4,7 @@ import {
   NodeTypes,
   SimpleExpressionNode,
   createRoot,
+  forAliasRE,
   parserOptions,
   transform,
   walkIdentifiers
@@ -87,8 +88,6 @@ function resolveTemplateUsageCheckString(sfc: SFCDescriptor) {
   return code
 }
 
-const forAliasRE = /([\s\S]*?)\s+(?:in|of)\s+([\s\S]*)/
-
 function processExp(exp: string, dir?: string): string {
   if (/ as\s+\w|<.*>|:/.test(exp)) {
     if (dir === 'slot') {