feat(computed): warn if trying to set a readonly computed (#161)

2019-10-09 19:20:53 +03:00
parent 7963c01a67
commit 530be302fc
2 changed files with 24 additions and 2 deletions
--- a/packages/reactivity/src/computed.ts
+++ b/packages/reactivity/src/computed.ts
@@ -29,7 +29,9 @@ export function computed<T>(
    : (getterOrOptions as WritableComputedOptions<T>).get
  const setter = isReadonly
    ? () => {
-        // TODO warn attempting to mutate readonly computed value
+        if (__DEV__) {
+          console.warn('Write operation failed: computed value is readonly')
+        }
      }
    : (getterOrOptions as WritableComputedOptions<T>).set