| Server IP : 68.183.124.220 / Your IP : 216.73.217.137 Web Server : Apache/2.4.18 (Ubuntu) System : Linux Sandbox-A 4.4.0-210-generic #242-Ubuntu SMP Fri Apr 16 09:57:56 UTC 2021 x86_64 User : gavin ( 1000) PHP Version : 7.0.33-0ubuntu0.16.04.16 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority, MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : ON Directory : /home/gavin/workspace/happymandarin/node_modules/verror/examples/ |
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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));
}
/* ... */
});