fix(reactivity): fix __proto__ access on proxy objects (#1133)

LongTengDao · web-flow · commit 037fa07113ef · 2020-05-06T09:08:44.000-04:00
diff --git a/packages/reactivity/src/baseHandlers.ts b/packages/reactivity/src/baseHandlers.ts
@@ -39,7 +39,7 @@ function createGetter(isReadonly = false, shallow = false) {
       return !isReadonly
     } else if (key === ReactiveFlags.isReadonly) {
       return isReadonly
-    } else if (key === ReactiveFlags.raw || key === '__proto__') {
+    } else if (key === ReactiveFlags.raw) {
       return target
     }
 
@@ -49,7 +49,7 @@ function createGetter(isReadonly = false, shallow = false) {
     }
     const res = Reflect.get(target, key, receiver)
 
-    if (isSymbol(key) && builtInSymbols.has(key)) {
+    if (isSymbol(key) && builtInSymbols.has(key) || key === '__proto__') {
       return res
     }
 

Original file line number	Diff line number	Diff line change
`@@ -39,7 +39,7 @@ function createGetter(isReadonly = false, shallow = false) {`
`39`	`39`	`return !isReadonly`
`40`	`40`	`} else if (key === ReactiveFlags.isReadonly) {`
`41`	`41`	`return isReadonly`
`42`		`- } else if (key === ReactiveFlags.raw \|\| key === '__proto__') {`
	`42`	`+ } else if (key === ReactiveFlags.raw) {`
`43`	`43`	`return target`
`44`	`44`	`}`
`45`	`45`
`@@ -49,7 +49,7 @@ function createGetter(isReadonly = false, shallow = false) {`
`49`	`49`	`}`
`50`	`50`	`const res = Reflect.get(target, key, receiver)`
`51`	`51`
`52`		`- if (isSymbol(key) && builtInSymbols.has(key)) {`
	`52`	`+ if (isSymbol(key) && builtInSymbols.has(key) \|\| key === '__proto__') {`
`53`	`53`	`return res`
`54`	`54`	`}`
`55`	`55`