src/misc/bunyan.js
function finish(code) {
            if (leftover) {
                handleLogLine(null, leftover, opts, stylize);
                leftover = '';
            }
            callback(code);
        }
function finish(code) {
            if (leftover) {
                handleLogLine(null, leftover, opts, stylize);
                leftover = '';
            }
            callback(code);
        }
intentionally global