fix(runtime-core): instance should not expose non-declared props

2020-01-27 14:30:00 -05:00
parent e43f5935b5
commit 2884831065
2 changed files with 25 additions and 6 deletions
--- a/packages/runtime-core/tests/componentProxy.spec.ts
+++ b/packages/runtime-core/tests/componentProxy.spec.ts
@@ -76,6 +76,20 @@ describe('component: proxy', () => {
    expect(`Attempting to mutate prop "foo"`).toHaveBeenWarned()
  })

+  test('should not expose non-declared props', () => {
+    let instanceProxy: any
+    const Comp = {
+      setup() {
+        return () => null
+      },
+      mounted() {
+        instanceProxy = this
+      }
+    }
+    render(h(Comp, { count: 1 }), nodeOps.createElement('div'))
+    expect('count' in instanceProxy).toBe(false)
+  })
+
  test('public properties', () => {
    let instance: ComponentInternalInstance
    let instanceProxy: any