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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 | 23x 23x 23x 23x 23x 23x 23x 23x 23x 157860x 157860x 157860x 157860x 23x 189494x 189494x 189494x 23x 157860x 157860x 157860x 19182x 14x 14x 14x 19168x 19168x 138678x 138678x 138678x 157860x 23x 23x 23x 23x 23x | 'use strict';
const {
MathFloor,
NumberIsInteger,
} = primordials;
const { ERR_INVALID_ARG_VALUE } = require('internal/errors').codes;
function highWaterMarkFrom(options, isDuplex, duplexKey) {
return options.highWaterMark != null ? options.highWaterMark :
isDuplex ? options[duplexKey] : null;
}
function getDefaultHighWaterMark(objectMode) {
return objectMode ? 16 : 16 * 1024;
}
function getHighWaterMark(state, options, duplexKey, isDuplex) {
const hwm = highWaterMarkFrom(options, isDuplex, duplexKey);
if (hwm != null) {
if (!NumberIsInteger(hwm) || hwm < 0) {
const name = isDuplex ? `options.${duplexKey}` : 'options.highWaterMark';
throw new ERR_INVALID_ARG_VALUE(name, hwm);
}
return MathFloor(hwm);
}
// Default value
return getDefaultHighWaterMark(state.objectMode);
}
module.exports = {
getHighWaterMark,
getDefaultHighWaterMark
};
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