Fix double quote parsing error (#332)

ical.js

@@ -17,7 +17,8 @@ const text = function (t = '') {
     .replace(/\\,/g, ',')
     .replace(/\\;/g, ';')
     .replace(/\\[nN]/g, '\n')
-    .replace(/\\\\/g, '\\');
+    .replace(/\\\\/g, '\\')
+    .replace(/^"(.*)"$/, '$1');
 };
 
 const parseValue = function (value) {
@@ -34,6 +35,9 @@ const parseValue = function (value) {
     return number;
   }
 
+  // Remove quotes if found
+  value = value.replace(/^"(.*)"$/, '$1');
+
   return value;
 };
 
@@ -698,7 +702,7 @@ module.exports = {
       }
 
       // Remove any double quotes in any tzid statement// except around (utc+hh:mm
-      if (l.indexOf('TZID=') && !l.includes('"(')) {
+      if (l.includes('TZID=') && !l.includes('"(')) {
         l = l.replace(/"/g, '');
       }
 

test/test.js

@@ -976,6 +976,22 @@ vows
         }
       }
     },
+    'with test22.ics (quoted parameter values)': {
+      topic() {
+        return ical.parseFile('./test/test22.ics');
+      },
+      'grabbing VEVENT': {
+        topic(topic) {
+          return _.values(topic)[0];
+        },
+        'it has the correct response comment'(event) {
+          // See: <https://github.com/jens-maus/node-ical/issues/326>
+          assert.equal(event.attendee.params['X-RESPONSE-COMMENT'], 'Test link: https://example.com/test');
+          assert.equal(event.attendee.params.CUTYPE, 'INDIVIDUAL');
+          assert.equal(event.attendee.val, 'mailto:[email protected]');
+        }
+      }
+    },
     'with test_with_tz_list.ics': {
       topic() {
         return ical.parseFile('./test/test_with_tz_list.ics');

test/test22.ics

@@ -0,0 +1,6 @@
+BEGIN:VCALENDAR
+BEGIN:VEVENT
+SUMMARY:Meeting
+ATTENDEE;CUTYPE=INDIVIDUAL;ROLE=REQ-PARTICIPANT;PARTSTAT=ACCEPTED;X-NUM-GUESTS=0;X-RESPONSE-COMMENT="Test link: https://example.com/test":mailto:[email protected]
+END:VEVENT
+END:VCALENDAR