node git2json.js got some errors

[todjiang]

`
/Github/git-to-elasticsearch on git:master x [17:37:42]
$ node git2json.js

undefined:57
}]
^

SyntaxError: Unexpected token } in JSON at position 1440
at JSON.parse ()
at Object. (/Users/xxxx/Github/git-to-elasticsearch/git2json.js:27:20)
at Module._compile (module.js:569:30)
at Object.Module._extensions..js (module.js:580:10)
at Module.load (module.js:503:32)
at tryModuleLoad (module.js:466:12)
at Function.Module._load (module.js:458:3)
at Function.Module.runMain (module.js:605:10)
at startup (bootstrap_node.js:158:16)
at bootstrap_node.js:575:3
`