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streams: remove unnecessary check #63030

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streams: remove unnecessary check #63030

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19 changes: 9 additions & 10 deletions lib/internal/webstreams/util.js
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Original file line number Diff line number Diff line change
Expand Up @@ -54,12 +54,11 @@ const AsyncIterator = {

function extractHighWaterMark(value, defaultHWM) {
if (value === undefined) return defaultHWM;
value = +value;
if (typeof value !== 'number' ||
NumberIsNaN(value) ||
value < 0)
const coercedValue = +value;
if (NumberIsNaN(coercedValue) ||
coercedValue < 0)
throw new ERR_INVALID_ARG_VALUE.RangeError('strategy.highWaterMark', value);
return value;
return coercedValue;
}

function extractSizeAlgorithm(size) {
Expand Down Expand Up @@ -151,13 +150,13 @@ function peekQueueValue(controller) {
function enqueueValueWithSize(controller, value, size) {
assert(controller[kState].queue !== undefined);
assert(controller[kState].queueTotalSize !== undefined);
size = +size;
if (typeof size !== 'number' ||
size < 0 ||
NumberIsNaN(size) ||
size === Infinity) {
const coercedSize = +size;
if (NumberIsNaN(coercedSize) ||
coercedSize < 0 ||
coercedSize === Infinity) {
throw new ERR_INVALID_ARG_VALUE.RangeError('size', size);
}
size = coercedSize;
ArrayPrototypePush(controller[kState].queue, { value, size });
controller[kState].queueTotalSize += size;
}
Expand Down
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