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feat(reactivity): collection iteration should inherit iterator instance methods

This commit is contained in:
daiwei 2025-01-03 16:25:10 +08:00
parent e8e842241a
commit 9f08043780
1 changed files with 19 additions and 15 deletions
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8
packages/reactivity/src/collectionHandlers.ts
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@ -55,7 +55,10 @@ function createIterableMethod(
) )
// return a wrapped iterator which returns observed versions of the // return a wrapped iterator which returns observed versions of the
// values emitted from the real iterator // values emitted from the real iterator
return { return extend(
// inheriting all iterator properties
Object.create(innerIterator),
{
// iterator protocol // iterator protocol
next() { next() {
const { value, done } = innerIterator.next() const { value, done } = innerIterator.next()
@ -70,7 +73,8 @@ function createIterableMethod(
[Symbol.iterator]() { [Symbol.iterator]() {
return this return this
}, },
} },
)
} }
} }