fix(reactivity): update iterator to check for completion instead of value presence (#13761)

yangdan8 · web-flow · commit 2078f8b7565c · 2025-09-24T17:04:15.000+08:00
diff --git a/packages/reactivity/src/arrayInstrumentations.ts b/packages/reactivity/src/arrayInstrumentations.ts
@@ -215,7 +215,7 @@ function iterator(
     iter._next = iter.next
     iter.next = () => {
       const result = iter._next()
-      if (result.value) {
+      if (!result.done) {
         result.value = wrapValue(result.value)
       }
       return result

Original file line number	Diff line number	Diff line change
`@@ -215,7 +215,7 @@ function iterator(`
`215`	`215`	`iter._next = iter.next`
`216`	`216`	`iter.next = () => {`
`217`	`217`	`const result = iter._next()`
`218`		`- if (result.value) {`
	`218`	`+ if (!result.done) {`
`219`	`219`	`result.value = wrapValue(result.value)`
`220`	`220`	`}`
`221`	`221`	`return result`