Catch all errors to allow logging.

* All errors will be caught and passed to the editor.didError fn. This can be
  overridden to do something useful, like logging them to the server.

source/Editor.js

@@ -1,6 +1,6 @@
 /* Copyright © 2011-2012 by Neil Jenkins. Licensed under the MIT license. */
 
-/*global UA, DOMTreeWalker, Range, top, document, setTimeout */
+/*global UA, DOMTreeWalker, Range, top, document, setTimeout, console */
 
 ( function ( doc, UA, TreeWalker ) {
 
@@ -17,6 +17,7 @@
 
     var win = doc.defaultView;
     var body = doc.body;
+    var editor;
 
     var isOpera = UA.isOpera;
     var isGecko = UA.isGecko;
@@ -56,7 +57,7 @@
     // document node, since these events are fired in a custom manner by the
     // editor code.
     var customEvents = {
-        cut: 1, paste: 1, focus: 1, blur: 1,
+        focus: 1, blur: 1,
         pathChange: 1, select: 1, input: 1, undoStateChange: 1
     };
 
@@ -74,11 +75,15 @@
             }
             for ( i = 0, l = handlers.length; i < l; i += 1 ) {
                 obj = handlers[i];
+                try {
                     if ( obj.handleEvent ) {
                         obj.handleEvent( event );
                     } else {
                         obj( event );
                     }
+                } catch ( error ) {
+                    editor.didError( error );
+                }
             }
         }
     };
@@ -1184,24 +1189,28 @@
     // --- Cut and Paste ---
 
     var afterCut = function () {
+        try {
             // If all content removed, ensure div at start of body.
             body.fixCursor();
+        } catch ( error ) {
+            editor.didError( error );
+        }
     };
 
-    doc.addEventListener( isIE ? 'beforecut' : 'cut', function () {
+    addEventListener( isIE ? 'beforecut' : 'cut', function () {
         // Save undo checkpoint
         var range = getSelection();
         recordUndoState( range );
         getRangeAndRemoveBookmark( range );
         setSelection( range );
         setTimeout( afterCut, 0 );
-    }, false );
+    });
 
     // IE sometimes fires the beforepaste event twice; make sure it is not run
     // again before our after paste function is called.
     var awaitingPaste = false;
 
-    doc.addEventListener( isIE ?  'beforepaste' : 'paste', function ( event ) {
+    addEventListener( isIE ?  'beforepaste' : 'paste', function ( event ) {
         if ( awaitingPaste ) { return; }
 
         // Treat image paste as a drop of an image file.
@@ -1252,6 +1261,7 @@
         // single javascript thread, so it will be executed after the
         // paste event.
         setTimeout( function () {
+            try {
                 // Get the pasted content and clean
                 var frag = pasteArea.detach().empty(),
                     first = frag.firstChild,
@@ -1261,7 +1271,8 @@
                 // Was anything actually pasted?
                 if ( first ) {
                     // Safari and IE like putting extra divs around things.
-                if ( first === frag.lastChild && first.nodeName === 'DIV' ) {
+                    if ( first === frag.lastChild &&
+                            first.nodeName === 'DIV' ) {
                         frag.replaceChild( first.empty(), first );
                     }
 
@@ -1296,8 +1307,11 @@
                 updatePath( range, true );
 
                 awaitingPaste = false;
+            } catch ( error ) {
+                editor.didError( error );
+            }
         }, 0 );
-    }, false );
+    });
 
     // --- Keyboard interaction ---
 
@@ -1333,6 +1347,7 @@
     // link in Opera, it won't delete the link. Let's make things consistent. If
     // you delete all text inside an inline tag, remove the inline tag.
     var afterDelete = function () {
+        try {
             var range = getSelection(),
                 node = range.startContainer,
                 parent;
@@ -1357,6 +1372,9 @@
                 setSelection( range );
                 updatePath( range );
             }
+        } catch ( error ) {
+            editor.didError( error );
+        }
     };
 
     // If you select all in IE8 then type, it makes a P; replace it with
@@ -1672,7 +1690,11 @@
         };
     };
 
-    win.editor = {
+    win.editor = editor = {
+
+        didError: function ( error ) {
+            console.log( error );
+        },
 
         _setPlaceholderTextNode: setPlaceholderTextNode,
 
@@ -1957,7 +1979,7 @@
     // --- Initialise ---
 
     body.setAttribute( 'contenteditable', 'true' );
-    win.editor.setHTML( '' );
+    editor.setHTML( '' );
 
     if ( win.onEditorLoad ) {
         win.onEditorLoad( win.editor );

source/ie8types.js

@@ -1,6 +1,6 @@
 /* Copyright © 2011-2012 by Neil Jenkins. Licensed under the MIT license. */
 
-( function ( undefined ) {
+( function () {
 
 /*jshint strict: false */