moving noop and identity helper functions to ace2_common

static/js/ace2_common.js

@@ -141,6 +141,9 @@ function htmlPrettyEscape(str)
   return Security.escapeHTML(str).replace(/\r?\n/g, '\\n');
 }
 
+var noop = function(){};
+var identity = function(x){return x};
+
 exports.isNodeText = isNodeText;
 exports.object = object;
 exports.extend = extend;
@@ -155,3 +158,5 @@ exports.binarySearch = binarySearch;
 exports.binarySearchInfinite = binarySearchInfinite;
 exports.htmlPrettyEscape = htmlPrettyEscape;
 exports.map = map;
+exports.noop = noop;
+exports.identity = identity;

static/js/ace2_inner.js

@@ -21,6 +21,7 @@
  */
 
 var Ace2Common = require('/ace2_common');
+
 // Extract useful method defined in the other module.
 var isNodeText = Ace2Common.isNodeText;
 var object = Ace2Common.object;
@@ -35,6 +36,7 @@ var setAssoc = Ace2Common.setAssoc;
 var binarySearchInfinite = Ace2Common.binarySearchInfinite;
 var htmlPrettyEscape = Ace2Common.htmlPrettyEscape;
 var map = Ace2Common.map;
+var noop = Ace2Common.noop;
 
 var makeChangesetTracker = require('/changesettracker').makeChangesetTracker;
 var colorutils = require('/colorutils').colorutils;
@@ -145,14 +147,6 @@ var makeVirtualLineView = require('/virtual_lines').makeVirtualLineView;
     };
   }
 
-  function noop()
-  {}
-
-  function identity(x)
-  {
-    return x;
-  }
-
   // "dmesg" is for displaying messages in the in-page output pane
   // visible when "?djs=1" is appended to the pad URL.  It generally
   // remains a no-op unless djs is enabled, but we make a habit of

static/js/domline.js

@@ -27,16 +27,13 @@
 // requires: undefined
 
 var Security = require('/security');
+var Ace2Common = require('/ace2_common');
 var plugins = require('/plugins').plugins;
-var map = require('/ace2_common').map;
+var map = Ace2Common.map;
+var noop = Ace2Common.noop;
+var identity = Ace2Common.identity;
 
 var domline = {};
-domline.noop = function()
-{};
-domline.identity = function(x)
-{
-  return x;
-};
 
 domline.addToLineClass = function(lineClass, cls)
 {
@@ -60,11 +57,11 @@ domline.createDomLine = function(nonEmpty, doesWrap, optBrowser, optDocument)
 {
   var result = {
     node: null,
-    appendSpan: domline.noop,
+    appendSpan: noop,
-    prepareForAdd: domline.noop,
+    prepareForAdd: noop,
-    notifyAdded: domline.noop,
+    notifyAdded: noop,
-    clearSpans: domline.noop,
+    clearSpans: noop,
-    finishUpdate: domline.noop,
+    finishUpdate: noop,
     lineMarker: 0
   };
 
@@ -91,7 +88,7 @@ domline.createDomLine = function(nonEmpty, doesWrap, optBrowser, optDocument)
   {
     return domline.processSpaces(s, doesWrap);
   }
-  var identity = domline.identity;
+
   var perTextNodeProcess = (doesWrap ? identity : processSpaces);
   var perHtmlLineProcess = (doesWrap ? processSpaces : identity);
   var lineClass = 'ace-line';