fix(reactivity): should not trigger when setting value to same proxy (#2904)

2021-03-30 05:52:57 +08:00
parent 4f26835dac
commit c61e767422
2 changed files with 24 additions and 2 deletions
--- a/packages/reactivity/src/baseHandlers.ts
+++ b/packages/reactivity/src/baseHandlers.ts
@@ -146,9 +146,10 @@ function createSetter(shallow = false) {
    value: unknown,
    receiver: object
  ): boolean {
-    const oldValue = (target as any)[key]
+    let oldValue = (target as any)[key]
    if (!shallow) {
      value = toRaw(value)
+      oldValue = toRaw(oldValue)
      if (!isArray(target) && isRef(oldValue) && !isRef(value)) {
        oldValue.value = value
        return true