Writefile with serialisation error but no callback writes empty file

[bergus]

I'm pretty certain the line

if (callback) return callback(err, null)

in that catch block should be

if (callback) callback(err, null)
return

[RyanZim]

@bergus You're right; can you submit a PR?

[bergus]

Nah, not interested, I was just looking at the code for this SO question.