I keep answering my own questions. https://developers.google.com/closure/library/docs/depswriter
Closure doesn't handle dependency walking in the browser, you either compile your scripts for prod or build a dependency file which depswriter can help with. Perfect. I am going to digest this a bit, type up brief instructions, and submit a pull request for ProtoBuf's readme documentation for JS. -- You received this message because you are subscribed to the Google Groups "Protocol Buffers" group. To unsubscribe from this group and stop receiving emails from it, send an email to protobuf+unsubscr...@googlegroups.com. To post to this group, send email to email@example.com. Visit this group at https://groups.google.com/group/protobuf. For more options, visit https://groups.google.com/d/optout.