continuecomment.js in codemirror-rails-3.22

- old
+ new

@@ -1,7 +1,8 @@
 (function() {
   var modes = ["clike", "css", "javascript"];
+
   for (var i = 0; i < modes.length; ++i)
     CodeMirror.extendMode(modes[i], {blockCommentContinue: " * "});
 
   function continueComment(cm) {
     var pos = cm.getCursor(), token = cm.getTokenAt(pos);
@@ -10,11 +11,11 @@
 
     var insert;
     if (mode.blockCommentStart && mode.blockCommentContinue) {
       var end = token.string.indexOf(mode.blockCommentEnd);
       var full = cm.getRange(CodeMirror.Pos(pos.line, 0), CodeMirror.Pos(pos.line, token.end)), found;
-      if (end != -1 && end == token.string.length - mode.blockCommentEnd.length) {
+      if (end != -1 && end == token.string.length - mode.blockCommentEnd.length && pos.ch >= end) {
         // Comment ended, don't continue it
       } else if (token.string.indexOf(mode.blockCommentStart) == 0) {
         insert = full.slice(0, token.start);
         if (!/^\s*$/.test(insert)) {
           insert = "";
@@ -25,11 +26,11 @@
                  /^\s*$/.test(full.slice(0, found))) {
         insert = full.slice(0, found);
       }
       if (insert != null) insert += mode.blockCommentContinue;
     }
-    if (insert == null && mode.lineComment) {
+    if (insert == null && mode.lineComment && continueLineCommentEnabled(cm)) {
       var line = cm.getLine(pos.line), found = line.indexOf(mode.lineComment);
       if (found > -1) {
         insert = line.slice(0, found);
         if (/\S/.test(insert)) insert = null;
         else insert += mode.lineComment + line.slice(found + mode.lineComment.length).match(/^\s*/)[0];
@@ -40,15 +41,27 @@
       cm.replaceSelection("\n" + insert, "end");
     else
       return CodeMirror.Pass;
   }
 
+  function continueLineCommentEnabled(cm) {
+    var opt = cm.getOption("continueComments");
+    if (opt && typeof opt == "object")
+      return opt.continueLineComment !== false;
+    return true;
+  }
+
   CodeMirror.defineOption("continueComments", null, function(cm, val, prev) {
     if (prev && prev != CodeMirror.Init)
       cm.removeKeyMap("continueComment");
     if (val) {
+      var key = "Enter";
+      if (typeof val == "string")
+        key = val;
+      else if (typeof val == "object" && val.key)
+        key = val.key;
       var map = {name: "continueComment"};
-      map[typeof val == "string" ? val : "Enter"] = continueComment;
+      map[key] = continueComment;
       cm.addKeyMap(map);
     }
   });
 })();