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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 | 21x 21x 21x 21x 21x 21x 21x 21x 21x 150017x 150017x 150017x 150017x 21x 178816x 178816x 178816x 21x 150017x 150017x 150017x 18960x 14x 14x 14x 18946x 18946x 131057x 131057x 131057x 150017x 21x 21x 21x 21x 21x | '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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