From: daiwei <daiwei521@126.com>
Date: Fri, 13 Jun 2025 08:46:48 +0000 (+0800)
Subject: fix(transform): validate property name for v-bind shorthand
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fheads%2Fedison%2Frefactor%2FvBindShorthand;p=thirdparty%2Fvuejs%2Fcore.git

fix(transform): validate property name for v-bind shorthand
---

diff --git a/packages/compiler-core/src/transforms/transformVBindShorthand.ts b/packages/compiler-core/src/transforms/transformVBindShorthand.ts
index a9d03397e7..a2e5e9f933 100644
--- a/packages/compiler-core/src/transforms/transformVBindShorthand.ts
+++ b/packages/compiler-core/src/transforms/transformVBindShorthand.ts
@@ -6,6 +6,7 @@ import {
 } from '../ast'
 import type { NodeTransform } from '../transform'
 import { ErrorCodes, createCompilerError } from '../errors'
+import { validFirstIdentCharRE } from '../utils'
 
 export const transformVBindShorthand: NodeTransform = (node, context) => {
   if (node.type === NodeTypes.ELEMENT) {
@@ -28,7 +29,9 @@ export const transformVBindShorthand: NodeTransform = (node, context) => {
           prop.exp = createSimpleExpression('', true, arg.loc)
         } else {
           const propName = camelize((arg as SimpleExpressionNode).content)
-          prop.exp = createSimpleExpression(propName, false, arg.loc)
+          if (validFirstIdentCharRE.test(propName[0])) {
+            prop.exp = createSimpleExpression(propName, false, arg.loc)
+          }
         }
       }
     }
diff --git a/packages/compiler-core/src/utils.ts b/packages/compiler-core/src/utils.ts
index b49d70bb2f..d2278992f8 100644
--- a/packages/compiler-core/src/utils.ts
+++ b/packages/compiler-core/src/utils.ts
@@ -74,7 +74,7 @@ enum MemberExpLexState {
   inString,
 }
 
-const validFirstIdentCharRE = /[A-Za-z_$\xA0-\uFFFF]/
+export const validFirstIdentCharRE: RegExp = /[A-Za-z_$\xA0-\uFFFF]/
 const validIdentCharRE = /[\.\?\w$\xA0-\uFFFF]/
 const whitespaceRE = /\s+[.[]\s*|\s*[.[]\s+/g