Fix the interface/class declaration detection

Fixes #391

Author: sheetalkamat

TypeScript.YAML-tmLanguage

@@ -428,7 +428,7 @@ repository:
 
   class-or-interface-declaration:
     name: meta.class.ts
-    begin: (?<!\.|\$)\b(?:(export)\s+)?\b(?:(abstract)\s+)?\b(?:(class)|(interface))\b
+    begin: (?<!\.|\$)\b(?:(export)\s+)?\b(?:(abstract)\s+)?\b(?:(class)|(interface))\b(?=\s+|/[/*])
     beginCaptures:
       '1': { name: keyword.control.export.ts }
       '2': { name: storage.modifier.ts }

TypeScript.tmLanguage

@@ -1342,7 +1342,7 @@
         <key>name</key>
         <string>meta.class.ts</string>
         <key>begin</key>
-        <string>(?&lt;!\.|\$)\b(?:(export)\s+)?\b(?:(abstract)\s+)?\b(?:(class)|(interface))\b</string>
+        <string>(?&lt;!\.|\$)\b(?:(export)\s+)?\b(?:(abstract)\s+)?\b(?:(class)|(interface))\b(?=\s+|/[/*])</string>
         <key>beginCaptures</key>
         <dict>
           <key>1</key>

TypeScriptReact.tmLanguage

@@ -1346,7 +1346,7 @@
         <key>name</key>
         <string>meta.class.tsx</string>
         <key>begin</key>
-        <string>(?&lt;!\.|\$)\b(?:(export)\s+)?\b(?:(abstract)\s+)?\b(?:(class)|(interface))\b</string>
+        <string>(?&lt;!\.|\$)\b(?:(export)\s+)?\b(?:(abstract)\s+)?\b(?:(class)|(interface))\b(?=\s+|/[/*])</string>
         <key>beginCaptures</key>
         <dict>
           <key>1</key>