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modules/ftp/plugins/luminous/languages/javascript.php

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+<?php
+
+class LuminousJavaScriptScanner extends LuminousECMAScriptScanner {
+  // mostly the same for now
+  
+  public static function guess_language($src, $info) {
+    // JavaScript is surprisingly indistinct when you think about it,
+    // so these are a bit of a stretch and it's hard to ever return a 
+    // value more than ~40%
+    $p = 0;
+    // var x = 
+    // not amazingly distinct, but something
+    if (preg_match('/var\s++\w++\s*+=/', $src)) $p += 0.05;
+    // $, jquery
+    if (preg_match('/\\b$\\( | jQuery/x', $src)) $p += 0.20;
+    // typeof x == undefined
+    if (preg_match('/typeof\s++\w++\s*+[!=]{2,3}+\s*+[\'"]?+undefined/i', $src))
+      $p += 0.10;
+    if (strpos($src, 'document.') !== false) $p += 0.10;
+    if (strpos($src, 'Math.') !== false) $p += 0.05;
+    // Anonymous functions
+    if (preg_match('/function\s*+\\([^)]*+\\)\s*+\\{/', $src))
+      $p += 0.05;
+    return $p;
+  }
+}