allow dashes and pluses to appear inside emoji names, fix #4

Author: goto-bus-stop

src/index.js

@@ -40,7 +40,7 @@ function tokenize(text, opts = {}) {
     return false;
   };
   const emoji = (type, emojiNames) => {
-    const match = /^:(\w+):/.exec(chunk);
+    const match = /^:([A-Za-z0-9_+-]+):/.exec(chunk);
     if (match) {
       // if a whitelist of emoji names is given, only accept emoji from that
       // list.

test.js

@@ -89,6 +89,11 @@ describe('utils/parseChatMarkup', () => {
         'and ',
         { type: 'emoji', name: 'emoji_with_underscores' }
       ]);
+
+      expect(parseChatMarkup('and :emoji-with-dashes+pluses:', bareOptions)).to.eql([
+        'and ',
+        { type: 'emoji', name: 'emoji-with-dashes+pluses' }
+      ]);
     });
 
     it('parses :emoji: that could also be italics', () => {