{"comment":{"url":"https://api.github.com/repos/Microsoft/TypeScript/comments/16016769","html_url":"https://github.com/Microsoft/TypeScript/commit/c3faf0f34efd6a54d12f2f9f64c330523365327e#commitcomment-16016769","id":16016769,"user":{"login":"yuit","id":489742,"avatar_url":"https://avatars.githubusercontent.com/u/489742?v=3","gravatar_id":"","url":"https://api.github.com/users/yuit","html_url":"https://github.com/yuit","followers_url":"https://api.github.com/users/yuit/followers","following_url":"https://api.github.com/users/yuit/following{/other_user}","gists_url":"https://api.github.com/users/yuit/gists{/gist_id}","starred_url":"https://api.github.com/users/yuit/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/yuit/subscriptions","organizations_url":"https://api.github.com/users/yuit/orgs","repos_url":"https://api.github.com/users/yuit/repos","events_url":"https://api.github.com/users/yuit/events{/privacy}","received_events_url":"https://api.github.com/users/yuit/received_events","type":"User","site_admin":false},"position":498,"line":498,"path":"src/compiler/visitor.ts","commit_id":"c3faf0f34efd6a54d12f2f9f64c330523365327e","created_at":"2016-02-10T20:47:02Z","updated_at":"2016-02-10T20:47:02Z","body":"I think may miss something here. Why you have to liftNode here? I don't understand why if the lifting fails, we return undefined"}}