Merge pull request #2260 from max-schaefer/js/_min

JavaScript: Classify files with names ending in `_min` as minified.

javascript/ql/src/semmle/javascript/AST.qll

@@ -150,7 +150,7 @@ class TopLevel extends @toplevel, StmtContainer {
   /** Holds if this toplevel is minified. */
   predicate isMinified() {
     // file name contains 'min' (not as part of a longer word)
-    getFile().getBaseName().regexpMatch(".*[^-.]*[-.]min([-.].*)?\\.\\w+")
+    getFile().getBaseName().regexpMatch(".*[^-._]*[-._]min([-._].*)?\\.\\w+")
     or
     exists(int numstmt | numstmt = strictcount(Stmt s | s.getTopLevel() = this) |
       // there are more than two statements per line on average

javascript/ql/test/query-tests/filters/ClassifyFiles/ClassifyFiles.expected

@@ -39,8 +39,11 @@
 | textmate.html:0:0:0:0 | textmate.html | generated |
 | tmpl2.html:0:0:0:0 | tmpl2.html | template |
 | tmpl.html:0:0:0:0 | tmpl.html | template |
+| tst-min.js:0:0:0:0 | tst-min.js | generated |
 | tst.browserify.js:0:0:0:0 | tst.browserify.js | generated |
 | tst.dart.js:0:0:0:0 | tst.dart.js | generated |
+| tst.min.js:0:0:0:0 | tst.min.js | generated |
+| tst_min.js:0:0:0:0 | tst_min.js | generated |
 | twitter-text.js:0:0:0:0 | twitter-text.js | library |
 | twitter_text.js:0:0:0:0 | twitter_text.js | library |
 | unannotated-externs-1.js:0:0:0:0 | unannotated-externs-1.js | externs |