Shorter stack traces with bunyan

init.js

var bunyan = require('lugg/node_modules/bunyan');
var isDev  = process.env.NODE_ENV === 'development';

require('lugg').init({
  level: 'debug'
  serializers: {
    err: R.compose(isDev ? shortenStack : R.identity, bunyan.stdSerializers.err)
  }
});

var takeTenLines = R.compose(R.join('\n'), R.take(10), R.split('\n'));
function shortenStack(err) {
  return err.stack === undefined ? err : R.mixin(err, {
    stack: takeTenLines(err.stack)
  });
}