blob: 6995f6665891d32e827d866f547b6a59c2866991 (
plain)
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
|
/* eslint-disable node-core/require-common-first, node-core/required-modules */
'use strict';
// Hijack stdout and stderr
const stdWrite = {};
function hijackStdWritable(name, listener) {
const stream = process[name];
const _write = stdWrite[name] = stream.write;
stream.writeTimes = 0;
stream.write = function(data, callback) {
try {
listener(data);
} catch (e) {
process.nextTick(() => { throw e; });
}
_write.call(stream, data, callback);
stream.writeTimes++;
};
}
function restoreWritable(name) {
process[name].write = stdWrite[name];
delete process[name].writeTimes;
}
module.exports = {
hijackStdout: hijackStdWritable.bind(null, 'stdout'),
hijackStderr: hijackStdWritable.bind(null, 'stderr'),
restoreStdout: restoreWritable.bind(null, 'stdout'),
restoreStderr: restoreWritable.bind(null, 'stderr')
};
|
