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streams: simplify createPromiseCallback #62650

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streams: simplify createPromiseCallback #62650

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10 changes: 2 additions & 8 deletions lib/internal/webstreams/util.js
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,7 @@ const {
MathMax,
NumberIsNaN,
PromisePrototypeThen,
ReflectApply,
ReflectGet,
Symbol,
SymbolAsyncIterator,
Expand Down Expand Up @@ -166,15 +167,9 @@ function enqueueValueWithSize(controller, value, size) {
controller[kState].queueTotalSize += size;
}

// This implements "invoke a callback function type" for callback functions that return a promise.
// See https://webidl.spec.whatwg.org/#es-invoking-callback-functions
async function invokePromiseCallback(fn, thisArg, ...args) {
return FunctionPrototypeCall(fn, thisArg, ...args);
}

function createPromiseCallback(name, fn, thisArg) {
validateFunction(fn, name);
return (...args) => invokePromiseCallback(fn, thisArg, ...args);
return async (...args) => ReflectApply(fn, thisArg, args);
}

function isPromisePending(promise) {
Expand Down Expand Up @@ -281,7 +276,6 @@ module.exports = {
extractHighWaterMark,
extractSizeAlgorithm,
lazyTransfer,
invokePromiseCallback,
isBrandCheck,
isPromisePending,
peekQueueValue,
Expand Down
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