minor refactoring

zloirock · Jul 8, 2022 · 369786c · 369786c
1 parent 0b5d53d
commit 369786c
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Showing 4 changed files with 10 additions and 6 deletions.
diff --git a/packages/core-js/internals/async-iterator-create-proxy.js b/packages/core-js/internals/async-iterator-create-proxy.js
@@ -20,9 +20,11 @@ var TO_STRING_TAG = wellKnownSymbol('toStringTag');
 
 module.exports = function (nextHandler, IS_ITERATOR) {
   var AsyncIteratorProxy = function AsyncIterator(record, state) {
+    if (state) {
+      state.iterator = record.iterator;
+      state.next = record.next;
+    } else state = record;
     state.type = ASYNC_ITERATOR_PROXY;
-    state.iterator = record.iterator;
-    state.next = record.next;
     state.done = false;
     state.ignoreArgument = !IS_ITERATOR;
     setInternalState(this, state);

diff --git a/packages/core-js/internals/iterator-create-proxy.js b/packages/core-js/internals/iterator-create-proxy.js
@@ -17,9 +17,11 @@ var TO_STRING_TAG = wellKnownSymbol('toStringTag');
 
 module.exports = function (nextHandler, IS_ITERATOR) {
   var IteratorProxy = function Iterator(record, state) {
+    if (state) {
+      state.iterator = record.iterator;
+      state.next = record.next;
+    } else state = record;
     state.type = ITERATOR_PROXY;
-    state.iterator = record.iterator;
-    state.next = record.next;
     state.done = false;
     state.ignoreArg = !IS_ITERATOR;
     setInternalState(this, state);

diff --git a/packages/core-js/modules/esnext.async-iterator.from.js b/packages/core-js/modules/esnext.async-iterator.from.js
@@ -33,6 +33,6 @@ $({ target: 'AsyncIterator', stat: true, forced: true }, {
       usingIterator = getIteratorMethod(object);
       if (usingIterator) return new AsyncFromSyncIterator(getIterator(object, usingIterator));
     }
-    return new AsyncIteratorProxy(getIteratorDirect(iterator !== undefined ? iterator : object), {});
+    return new AsyncIteratorProxy(getIteratorDirect(iterator !== undefined ? iterator : object));
   }
 });
diff --git a/packages/core-js/modules/esnext.iterator.from.js b/packages/core-js/modules/esnext.iterator.from.js
@@ -26,6 +26,6 @@ $({ target: 'Iterator', stat: true, forced: true }, {
       if (isPrototypeOf(IteratorPrototype, iterator)) return iterator;
     } else {
       iterator = object;
-    } return new IteratorProxy(getIteratorDirect(iterator), {});
+    } return new IteratorProxy(getIteratorDirect(iterator));
   }
 });