javascript.js in codemirror-rails-4.2

- old
+ new

@@ -1,5 +1,8 @@
+// CodeMirror, copyright (c) by Marijn Haverbeke and others
+// Distributed under an MIT license: http://codemirror.net/LICENSE
+
 // TODO actually recognize syntax of TypeScript constructs
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
     mod(require("../../lib/codemirror"));
@@ -642,9 +645,11 @@
     helperType: jsonMode ? "json" : "javascript",
     jsonldMode: jsonldMode,
     jsonMode: jsonMode
   };
 });
+
+CodeMirror.registerHelper("wordChars", "javascript", /[\\w$]/);
 
 CodeMirror.defineMIME("text/javascript", "javascript");
 CodeMirror.defineMIME("text/ecmascript", "javascript");
 CodeMirror.defineMIME("application/javascript", "javascript");
 CodeMirror.defineMIME("application/ecmascript", "javascript");