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fixes #188: drop changes to %AsyncFromSyncIteratorPrototype% #193

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merged 2 commits into from Jul 7, 2022
Merged

fixes #188: drop changes to %AsyncFromSyncIteratorPrototype% #193

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e216d7e
remove changes to %AsyncFromSyncIteratorPrototype%
michaelficarra Jul 7, 2022
ea4e4e2
Merge branch 'main' into AsyncFromSyncIteratorPrototype
michaelficarra Jul 7, 2022
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67 changes: 0 additions & 67 deletions spec.html
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Expand Up @@ -1023,72 +1023,5 @@ <h1>AsyncIterator.prototype [ @@toStringTag ]</h1>
<p>This property has the attributes { [[Writable]]: *false*, [[Enumerable]]: *false*, [[Configurable]]: *true* }.</p>
</emu-clause>
</emu-clause>

<emu-clause id="sec-%asyncfromsynciteratorprototype%-object">
<h1>The %AsyncFromSyncIteratorPrototype% Object</h1>

<emu-clause id="sec-%asyncfromsynciteratorprototype%.next">
<h1>%AsyncFromSyncIteratorPrototype%.next ( _value_ )</h1>
<emu-alg>
1. Let _O_ be the *this* value.
1. <del>Assert: Type(_O_) is Object and _O_ has a [[SyncIteratorRecord]] internal slot.</del>
1. Let _promiseCapability_ be ! NewPromiseCapability(%Promise%).
1. <ins>Let _check_ be Completion(RequireInternalSlot(_O_, [[SyncIteratorRecord]])).</ins>
1. <ins>IfAbruptRejectPromise(_check_, _promiseCapability_).</ins>
1. Let _syncIteratorRecord_ be _O_.[[SyncIteratorRecord]].
1. Let _result_ be Completion(IteratorNext(_syncIteratorRecord_, _value_)).
1. IfAbruptRejectPromise(_result_, _promiseCapability_).
1. Return AsyncFromSyncIteratorContinuation(_result_, _promiseCapability_).
</emu-alg>
</emu-clause>

<emu-clause id="sec-%asyncfromsynciteratorprototype%.return">
<h1>%AsyncFromSyncIteratorPrototype%.return ( _value_ )</h1>

<emu-alg>
1. Let _O_ be the *this* value.
1. <del>Assert: Type(_O_) is Object and _O_ has a [[SyncIteratorRecord]] internal slot.</del>
1. Let _promiseCapability_ be ! NewPromiseCapability(%Promise%).
1. <ins>Let _check_ be Completion(RequireInternalSlot(_O_, [[SyncIteratorRecord]])).</ins>
1. <ins>IfAbruptRejectPromise(_check_, _promiseCapability_).</ins>
1. Let _return_ be Completion(GetMethod(_syncIterator_, *"return"*)).
1. IfAbruptRejectPromise(_return_, _promiseCapability_).
1. If _return_ is *undefined*, then
1. Let _iterResult_ be CreateIterResultObject(_value_, *true*).
1. Perform ! Call(_promiseCapability_.[[Resolve]], *undefined*, &laquo; _iterResult_ &raquo;).
1. Return _promiseCapability_.[[Promise]].
1. Let _result_ be Completion(Call(_return_, _syncIterator_, &laquo; _value_ &raquo;)).
1. IfAbruptRejectPromise(_result_, _promiseCapability_).
1. If Type(_result_) is not Object, then
1. Perform ! Call(_promiseCapability_.[[Reject]], *undefined*, &laquo; a newly created *TypeError* object &raquo;).
1. Return _promiseCapability_.[[Promise]].
1. Return AsyncFromSyncIteratorContinuation(_result_, _promiseCapability_).
</emu-alg>
</emu-clause>

<emu-clause id="sec-%asyncfromsynciteratorprototype%.throw">
<h1>%AsyncFromSyncIteratorPrototype%.throw ( _value_ )</h1>

<emu-alg>
1. Let _O_ be the *this* value.
1. <del>Assert: Type(_O_) is Object and _O_ has a [[SyncIteratorRecord]] internal slot.</del>
1. Let _promiseCapability_ be ! NewPromiseCapability(%Promise%).
1. <ins>Let _check_ be Completion(RequireInternalSlot(_O_, [[SyncIteratorRecord]])).</ins>
1. <ins>IfAbruptRejectPromise(_check_, _promiseCapability_).</ins>
1. Let _syncIterator_ be _O_.[[SyncIteratorRecord]].[[Iterator]].
1. Let _throw_ be Completion(GetMethod(_syncIterator_, *"throw"*)).
1. IfAbruptRejectPromise(_throw_, _promiseCapability_).
1. If _throw_ is *undefined*, then
1. Perform ! Call(_promiseCapability_.[[Reject]], *undefined*, &laquo; _value_ &raquo;).
1. Return _promiseCapability_.[[Promise]].
1. Let _result_ be Completion(Call(_throw_, _syncIterator_, &laquo; _value_ &raquo;)).
1. IfAbruptRejectPromise(_result_, _promiseCapability_).
1. If Type(_result_) is not Object, then
1. Perform ! Call(_promiseCapability_.[[Reject]], *undefined*, &laquo; a newly created *TypeError* object &raquo;).
1. Return _promiseCapability_.[[Promise]].
1. Return AsyncFromSyncIteratorContinuation(_result_, _promiseCapability_).
</emu-alg>
</emu-clause>
</emu-clause>
</emu-clause>
</emu-clause>