22 lines
No EOL
745 B
JavaScript
Executable file
22 lines
No EOL
745 B
JavaScript
Executable file
'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
|
|
}; |