readEditor error handling.

lib/widget.js

@@ -1552,6 +1552,10 @@ Screen.prototype.readEditor = function(options, callback) {
     options = null;
   }
 
+  if (!callback) {
+    callback = function() {};
+  }
+
   options = options || {};
 
   var self = this
@@ -1580,6 +1584,7 @@ Screen.prototype.readEditor = function(options, callback) {
       if (err) return callback(err);
       return fs.readFile(file, 'utf8', function(err, data) {
         return fs.unlink(file, function() {
+          if (!success) return callback(new Error('Unsuccessful.'));
           if (err) return callback(err);
           return callback(null, data);
         });
@@ -4716,8 +4721,20 @@ Textarea.prototype.readEditor = function(callback) {
     };
   }
 
+  if (!callback) {
+    callback = function() {};
+  }
+
   return this.screen.readEditor({ value: this.value }, function(err, value) {
-    if (err) return callback && callback(err);
+    if (err) {
+      if (err.message === 'Unsuccessful.') {
+        self.screen.render();
+        return self.readInput(callback);
+      }
+      self.screen.render();
+      self.readInput(callback);
+      return callback(err);
+    }
     self.setValue(value);
     self.screen.render();
     return self.readInput(callback);