cleanup

lib/ace/edit_session.js

@@ -44,15 +44,13 @@ var SearchHighlight = require("./search_highlight").SearchHighlight;
 var config = require("./config");
 
 /**
- *
- *
  * Stores all the data about [[Editor `Editor`]] state providing easy way to change editors state.  
  * 
  * `EditSession` can be attached to only one [[Document `Document`]]. Same `Document` can be attached to several `EditSession`s.
  * @class EditSession
  **/
 
-// events 
+//{ events
 /**
  *
  * Emitted when the document changes.
@@ -132,7 +130,7 @@ var config = require("./config");
  *
  * @param {Number} scrollLeft The new scroll left value
  **/
-
+//}
 
 /**
  *
@@ -153,11 +151,7 @@ var EditSession = function(text, mode) {
     
     this.$foldData = [];
     this.$foldData.toString = function() {
-        var str = "";
-        this.forEach(function(foldLine) {
-            str += "\n" + foldLine.toString();
-        });
-        return str;
+        return this.join("\n");
     }
     this.on("changeFold", this.onChangeFold.bind(this));
     this.$onChange = this.onChange.bind(this);
@@ -958,7 +952,6 @@ var EditSession = function(text, mode) {
         this.$worker = null;
     };
 
-
     this.$startWorker = function() {
         if (typeof Worker !== "undefined" && !require.noWorker) {
             try {
@@ -1210,7 +1203,7 @@ var EditSession = function(text, mode) {
     this.$getUndoSelection = function(deltas, isUndo, lastUndoRange) {
         function isInsert(delta) {
             var insert =
-                delta.action == "insertText" || delta.action == "insertLines";
+                delta.action === "insertText" || delta.action === "insertLines";
             return isUndo ? !insert : insert;
         }
 
@@ -2381,9 +2374,9 @@ config.defineOptions(EditSession.prototype, "session", {
             if (!value) {
                 this.setUseWrapMode(false);
             } else {
-                var col = typeof value == "number" && value;
+                var col = typeof value == "number" ? value : null;
                 this.setUseWrapMode(true);
-                this.setWrapLimitRange(value, value);
+                this.setWrapLimitRange(col, col);
             }
             this.$wrap = value;
         },