improvements to the message cloning function

chrome/content/modules/pEp.js

@@ -240,8 +240,9 @@ class pEp {
                                source.enc_format,
                                deepCopy(source.attachments),
                                     deepCopy(source.opt_fields));
-        clone.setCc(source.cc);
-        clone.setBcc(source.bcc);
+        source.cc && clone.setCc(source.cc);
+        source.bcc && clone.setBcc(source.bcc);
+        return clone;
     }
 }
 

package-lock.json

@@ -1141,12 +1141,6 @@
       "integrity": "sha1-8FKijacOYYkX7wqKw0wa5aaChrM=",
       "dev": true
     },
-    "ramda": {
-      "version": "0.26.1",
-      "resolved": "https://registry.npmjs.org/ramda/-/ramda-0.26.1.tgz",
-      "integrity": "sha512-hLWjpy7EnsDBb0p+Z3B7rPi3GDeRG5ZtiI33kJhTt+ORCd38AbAIjB/9zRIUoeTbE/AVX5ZkU7m6bznsvrf8eQ==",
-      "dev": true
-    },
     "read-pkg": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/read-pkg/-/read-pkg-3.0.0.tgz",

tests/unit/mimeEmitter.js

@@ -10,7 +10,7 @@ let jsmimeMock = {
         }
     }
 };
-let MimeEmitter = require('../../chrome/content/modules/mimeEmitter');
+let MimeEmitter = require('../../chrome/content/modules/MimeEmitter');
 let controller = require('../../chrome/content/modules/pEp');
 let emitter = new MimeEmitter(jsmimeMock, require('atob'), 'boundary');
 
@@ -24,7 +24,7 @@ let expectations = {
     }
 };
 
-describe('the mail module', () => {
+describe('the MIME emitter', () => {
     describe('multipart encoding', () => {
         it('emits MIME from raw data', () => {
             let parts = [{