Hopefully this will clarify:
> var er = new Error('foo');
undefined
> er.toString()
'Error: foo'
> er.message
'foo'
> er.stack
'Error: foo\n at repl:1:10\n at REPLServer.self.eval
(repl.js:110:21)\n at repl.js:249:20\n at REPLServer.self.eval
(repl.js:122:7)\n at Interface.<anonymous> (repl.js:239:12)\n at
Interface.EventEmitter.emit (events.js:95:17)\n at Interface._onLine
(readline.js:202:10)\n at Interface._line (readline.js:531:8)\n at
Interface._ttyWrite (readline.js:760:14)\n at ReadStream.onkeypress
(readline.js:99:10)'
> *er.stack.split('\n').forEach(function (line) { console.log(line); });*
Error: foo
at repl:1:10
at REPLServer.self.eval (repl.js:110:21)
at repl.js:249:20
at REPLServer.self.eval (repl.js:122:7)
at Interface.<anonymous> (repl.js:239:12)
at Interface.EventEmitter.emit (events.js:95:17)
at Interface._onLine (readline.js:202:10)
at Interface._line (readline.js:531:8)
at Interface._ttyWrite (readline.js:760:14)
at ReadStream.onkeypress (readline.js:99:10)
Cheers,
Gus
On Tue, Jul 21, 2015 at 3:46 PM, Robert Steckroth <[email protected]
> wrote:
> Some nodejs errors are not very informative. How can I get nodejs to print
> line numbers and stack trace for this error?
>
> Exaple ouptut of nodejs error to satdout ->
> *Cannot read property 'sp' of undefined*
>
>
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