Deploy issue when minifying action

[icaraps]

Expected Behaviour

Deploy works

Actual Behaviour

Deploy fails

Steps to Reproduce

Create an action with a dependency on bwip-js, in scripts/build.actions.js verify that minify is set to true.

Sample Code that illustrates the problem

See https://github.com/icaraps/cna-barcode-generator/blob/master/actions/barcode/index.js

Logs taken while reproducing problem

 Returned HTTP 400 (Bad Request) --> 
 ›   "The request content was malformed:
 ›   Unexpected end-of-input at input index 1623 (line 1, position 1624), 
 ›   expected '"':

[moritzraho]

Same/relates to #28

[devongovett]

I'm not sure there is enough information here to make this a Parcel issue. Could you look into this more and file an issue on https://github.com/parcel-bundler/parcel with a complete reproduction?