blob: 53a7022c6cda83459dca7d5f952de0318ed9bdf3 (
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
34
35
36
|
var extsprintf = require('extsprintf');
var fs = require('fs');
var verror = require('../lib/verror');
function checkFile(filename, callback) {
fs.stat(filename, function (err) {
if (err)
/* Annotate the "stat" error with what we were doing. */
return (callback(new verror.VError(err,
'failed to check "%s"', filename)));
/* ... */
return (callback());
});
}
function handleRequest(filename, callback) {
checkFile('/nonexistent', function (err) {
if (err)
/* Annotate the "checkFile" error. */
return (callback(new verror.VError(
err, 'request failed')));
/* ... */
return (callback());
});
}
handleRequest('/nonexistent', function (err) {
if (err) {
console.log(err.message);
console.log(extsprintf.sprintf('%r', err));
}
/* ... */
});
|
