JS: classify bundle files based on multiple license comments

javascript/ql/src/semmle/javascript/frameworks/Bundling.qll

@@ -213,6 +213,7 @@ Comment getExclamationPointCommentInRun(ExclamationPointComment head) {
  * Holds if this is a bundle containing multiple licenses.
  */
 predicate isMultiLicenseBundle(TopLevel tl) {
+  // case: comments preserved by minifiers
   count(ExclamationPointComment head |
     head.getTopLevel() = tl and
     exists(ExclamationPointComment licenseIndicator |
@@ -220,6 +221,12 @@ predicate isMultiLicenseBundle(TopLevel tl) {
       licenseIndicator.getLine(_).regexpMatch("(?i).*\\b(copyright|license|\\d+\\.\\d+)\\b.*")
     )
   ) > 1
+  or
+  // case: ordinary block comments with "@license" lines
+  count(BlockComment head |
+    head.getTopLevel() = tl and
+    head.getLine(_).regexpMatch("(?i) *\\* @license .*")
+  ) > 1
 }
 
 /**