fix(compiler-core): simple identifier should include Chinese

packages/compiler-core/__tests__/transforms/vOn.spec.ts

@@ -13,11 +13,12 @@ import {
 import { transformOn } from '../../src/transforms/vOn'
 import { transformElement } from '../../src/transforms/transformElement'
 import { transformExpression } from '../../src/transforms/transformExpression'
+import { transformFor } from 'packages/compiler-core/src/transforms/vFor'
 
 function parseWithVOn(template: string, options: CompilerOptions = {}) {
   const ast = parse(template, options)
   transform(ast, {
-    nodeTransforms: [transformExpression, transformElement],
+    nodeTransforms: [transformExpression, transformElement, transformFor],
     directiveTransforms: {
       on: transformOn,
     },
@@ -683,5 +684,17 @@ describe('compiler: transform v-on', () => {
         },
       })
     })
+
+    test('should not be cached with Chinese identifiers', () => {
+      const { root } = parseWithVOn(
+        `<button v-for="中文 in list" @click="cur = 中文">{{ 中文 }}</button>`,
+        {
+          prefixIdentifiers: true,
+          cacheHandlers: true,
+        },
+      )
+
+      expect(root.cached).toBe(0)
+    })
   })
 })

packages/compiler-core/src/utils.ts

@@ -62,7 +62,7 @@ export function isCoreComponent(tag: string): symbol | void {
   }
 }
 
-const nonIdentifierRE = /^\d|[^\$\w]/
+const nonIdentifierRE = /^\d|[^\$\w\u4e00-\u9fa5]/
 export const isSimpleIdentifier = (name: string): boolean =>
   !nonIdentifierRE.test(name)