Headers aren't properly serialized to JSON

[bioball]

Great module! However, I'm noticing that the headers aren't being properly serialized to JSON.

simpleParser turns the headers into a Map object, and when Map's are JSON-stringified, they get serialized as "{}", regardless of whether there's data in the map or not. There should be some extra logic that deals with how to serialize these.

This link should be helpful: http://2ality.com/2015/08/es6-map-json.html

[jcdelmas]

Thanks !

In fact, informations present in headers map are already available in the root object (from, to, date...). So I chose to delete it rather than parsing it.

I hope this is not a problem for you.

[bioball]

It is a problem unfortunately, as I'm sending custom mail headers, and am trying to write tests around them :(

I'd be happy to send a PR for this if you want.

[jcdelmas]

Oh sorry. Don't hesitate to make a PR. To avoid document overload, you can add an option to enable headers serialization only when necessary.

[bioball]

Done!

[bioball]

Thanks for merging the PR! Can you publish a new version of this module?

[jcdelmas]

Done !

[bioball]

Great, thanks!