fix(reactivity): mutating a readonly ref nested in a reactive object should fail. (#5048)

fix: #5042
2022-01-21 08:33:18 +01:00
parent 72130ac7b5
commit 171f5e9c60
2 changed files with 14 additions and 0 deletions
--- a/packages/reactivity/src/baseHandlers.ts
+++ b/packages/reactivity/src/baseHandlers.ts
@@ -150,6 +150,9 @@ function createSetter(shallow = false) {
    receiver: object
  ): boolean {
    let oldValue = (target as any)[key]
+    if (isReadonly(oldValue) && isRef(oldValue)) {
+      return false
+    }
    if (!shallow && !isReadonly(value)) {
      if (!isShallow(value)) {
        value = toRaw(value)