You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 

27 lines
749 B

'use strict';
var ERR_INVALID_OPT_VALUE = require('../../../errors').codes.ERR_INVALID_OPT_VALUE;
function highWaterMarkFrom(options, isDuplex, duplexKey) {
return options.highWaterMark != null ? options.highWaterMark : isDuplex ? options[duplexKey] : null;
}
function getHighWaterMark(state, options, duplexKey, isDuplex) {
var hwm = highWaterMarkFrom(options, isDuplex, duplexKey);
if (hwm != null) {
if (!(isFinite(hwm) && Math.floor(hwm) === hwm) || hwm < 0) {
var name = isDuplex ? duplexKey : 'highWaterMark';
throw new ERR_INVALID_OPT_VALUE(name, hwm);
}
return Math.floor(hwm);
} // Default value
return state.objectMode ? 16 : 16 * 1024;
}
module.exports = {
getHighWaterMark: getHighWaterMark
};