diff --git a/spec.html b/spec.html index aa5bf5a340..0eec68aa93 100644 --- a/spec.html +++ b/spec.html @@ -3369,7 +3369,7 @@

CompletePropertyDescriptor ( _Desc_ )

When the abstract operation CompletePropertyDescriptor is called with Property Descriptor _Desc_, the following steps are taken:

1. Assert: _Desc_ is a Property Descriptor. - 1. Let _like_ be Record { [[Value]]: *undefined*, [[Writable]]: *false*, [[Get]]: *undefined*, [[Set]]: *undefined*, [[Enumerable]]: *false*, [[Configurable]]: *false* }. + 1. Let _like_ be the Record { [[Value]]: *undefined*, [[Writable]]: *false*, [[Get]]: *undefined*, [[Set]]: *undefined*, [[Enumerable]]: *false*, [[Configurable]]: *false* }. 1. If IsGenericDescriptor(_Desc_) is *true* or IsDataDescriptor(_Desc_) is *true*, then 1. If _Desc_ does not have a [[Value]] field, set _Desc_.[[Value]] to _like_.[[Value]]. 1. If _Desc_ does not have a [[Writable]] field, set _Desc_.[[Writable]] to _like_.[[Writable]]. @@ -4888,7 +4888,7 @@

GetIterator ( _obj_ [ , _hint_ [ , _method_ ] ] )

1. Let _iterator_ be ? Call(_method_, _obj_). 1. If Type(_iterator_) is not Object, throw a *TypeError* exception. 1. Let _nextMethod_ be ? GetV(_iterator_, `"next"`). - 1. Let _iteratorRecord_ be Record { [[Iterator]]: _iterator_, [[NextMethod]]: _nextMethod_, [[Done]]: *false* }. + 1. Let _iteratorRecord_ be the Record { [[Iterator]]: _iterator_, [[NextMethod]]: _nextMethod_, [[Done]]: *false* }. 1. Return _iteratorRecord_. @@ -37021,7 +37021,9 @@

CreateAsyncFromSyncIterator ( _syncIteratorRecord_ )

1. Let _asyncIterator_ be ! ObjectCreate(%AsyncFromSyncIteratorPrototype%, « [[SyncIteratorRecord]] »). 1. Set _asyncIterator_.[[SyncIteratorRecord]] to _syncIteratorRecord_. - 1. Return ? GetIterator(_asyncIterator_, ~async~). + 1. Let _nextMethod_ be ! Get(_asyncIterator_, `"next"`). + 1. Let _iteratorRecord_ be the Record { [[Iterator]]: _asyncIterator_, [[NextMethod]]: _nextMethod_, [[Done]]: *false* }. + 1. Return _iteratorRecord_. @@ -37039,11 +37041,8 @@

The %AsyncFromSyncIteratorPrototype% Object

%AsyncFromSyncIteratorPrototype%.next ( _value_ )

1. Let _O_ be the *this* value. + 1. Assert: Type(_O_) is Object and _O_ has a [[SyncIteratorRecord]] internal slot. 1. Let _promiseCapability_ be ! NewPromiseCapability(%Promise%). - 1. If Type(_O_) is not Object, or if _O_ does not have a [[SyncIteratorRecord]] internal slot, then - 1. Let _invalidIteratorError_ be a newly created *TypeError* object. - 1. Perform ! Call(_promiseCapability_.[[Reject]], *undefined*, « _invalidIteratorError_ »). - 1. Return _promiseCapability_.[[Promise]]. 1. Let _syncIteratorRecord_ be _O_.[[SyncIteratorRecord]]. 1. Let _result_ be IteratorNext(_syncIteratorRecord_, _value_). 1. IfAbruptRejectPromise(_result_, _promiseCapability_). @@ -37056,11 +37055,8 @@

%AsyncFromSyncIteratorPrototype%.return ( _value_ )

1. Let _O_ be the *this* value. + 1. Assert: Type(_O_) is Object and _O_ has a [[SyncIteratorRecord]] internal slot. 1. Let _promiseCapability_ be ! NewPromiseCapability(%Promise%). - 1. If Type(_O_) is not Object, or if _O_ does not have a [[SyncIteratorRecord]] internal slot, then - 1. Let _invalidIteratorError_ be a newly created *TypeError* object. - 1. Perform ! Call(_promiseCapability_.[[Reject]], *undefined*, « _invalidIteratorError_ »). - 1. Return _promiseCapability_.[[Promise]]. 1. Let _syncIterator_ be _O_.[[SyncIteratorRecord]].[[Iterator]]. 1. Let _return_ be GetMethod(_syncIterator_, `"return"`). 1. IfAbruptRejectPromise(_return_, _promiseCapability_). @@ -37082,11 +37078,8 @@

%AsyncFromSyncIteratorPrototype%.throw ( _value_ )

1. Let _O_ be the *this* value. + 1. Assert: Type(_O_) is Object and _O_ has a [[SyncIteratorRecord]] internal slot. 1. Let _promiseCapability_ be ! NewPromiseCapability(%Promise%). - 1. If Type(_O_) is not Object, or if _O_ does not have a [[SyncIteratorRecord]] internal slot, then - 1. Let _invalidIteratorError_ be a newly created *TypeError* object. - 1. Perform ! Call(_promiseCapability_.[[Reject]], *undefined*, « _invalidIteratorError_ »). - 1. Return _promiseCapability_.[[Promise]]. 1. Let _syncIterator_ be _O_.[[SyncIteratorRecord]].[[Iterator]]. 1. Let _throw_ be GetMethod(_syncIterator_, `"throw"`). 1. IfAbruptRejectPromise(_throw_, _promiseCapability_). @@ -37102,16 +37095,10 @@

%AsyncFromSyncIteratorPrototype%.throw ( _value_ )

 - -

%AsyncFromSyncIteratorPrototype% [ @@toStringTag ]

-

The initial value of the @@toStringTag property is the String value `"Async-from-Sync Iterator"`.

-

This property has the attributes { [[Writable]]: *false*, [[Enumerable]]: *false*, [[Configurable]]: *true* }.

- -

Async-from-Sync Iterator Value Unwrap Functions

-

An async-from-sync iterator value unwrap function is an anonymous built-in function that is used by methods of %AsyncFromSyncIteratorPrototype% when processing the `value` field of an IteratorResult object, in order to wait for its value if it is a promise and re-package the result in a new "unwrapped" IteratorResult object. Each async iterator value unwrap function has a [[Done]] internal slot.

+

An async-from-sync iterator value unwrap function is an anonymous built-in function that is used by AsyncFromSyncIteratorContinuation when processing the `value` property of an IteratorResult object, in order to wait for its value if it is a promise and re-package the result in a new "unwrapped" IteratorResult object. Each async-from-sync iterator value unwrap function has a [[Done]] internal slot.

When an async-from-sync iterator value unwrap function is called with argument _value_, the following steps are taken:

@@ -37124,7 +37111,7 @@

Async-from-Sync Iterator Value Unwrap Functions

Properties of Async-from-Sync Iterator Instances

-

Async-from-Sync Iterator instances are ordinary objects that inherit properties from the %AsyncFromSyncIteratorPrototype% intrinsic object. Async-from-Sync Iterator instances are initially created with the internal slots listed in .

+

Async-from-Sync Iterator instances are ordinary objects that inherit properties from the %AsyncFromSyncIteratorPrototype% intrinsic object. Async-from-Sync Iterator instances are initially created with the internal slots listed in . Async-from-Sync Iterator instances are not directly observable from ECMAScript code.