indutny/node — comment on commit b428e1177dd68bc5c22ec6fea5525bae1085bef0
File: src/node_isolate.cc line 686
By bnoordhuis:

Use `MakeCallback()` here unless `ondata` is not always a function. If that's the case, add a `TryCatch` and a comment explaining why it's the case.