fix vim mode +cleanup

lib/ace/keyboard/vim.js

@@ -45,22 +45,22 @@ var coreCommands = cmds.coreCommands;
 var util = require("./vim/maps/util");
 
 var startCommands = {
-    'i': {
+    "i": {
         command: coreCommands.start
     },
-    'I': {
+    "I": {
         command: coreCommands.startBeginning
     },
-    'a': {
+    "a": {
         command: coreCommands.append
     },
-    'A': {
+    "A": {
         command: coreCommands.appendEnd
     },
-    'ctrl-f': {
+    "ctrl-f": {
         command: "gotopagedown"
     },
-    'ctrl-b': {
+    "ctrl-b": {
         command: "gotopageup"
     },
 };
@@ -68,15 +68,13 @@ var startCommands = {
 exports.handler = {
     handleKeyboard: function(data, hashId, key, keyCode, e) {
         // ignore command keys (shift, ctrl etc.)
-        // Otherwise "shift-" is added to the buffer, and later on "shift-g"
-        // which results in "shift-shift-g" which doesn't make sense.
         if (hashId != 0 && (key == "" || key == "\x00"))
             return null;
 
         if (hashId == 1)
-            key = 'ctrl-' + key;
+            key = "ctrl-" + key;
 
-        if (data.state == 'start') {
+        if (data.state == "start") {
             if (hashId == -1 || hashId == 1) {
                 if (cmds.inputBuffer.idle && startCommands[key])
                     return startCommands[key];
@@ -86,13 +84,13 @@ exports.handler = {
                 } };
             } // wait for input
             else if (key.length == 1 && (hashId == 0 || hashId == 4)) { //no modifier || shift
-                return {command: "null"};
-            } else if (key == 'esc') {
+                return {command: "null", passEvent: true};
+            } else if (key == "esc") {
                 return {command: coreCommands.stop};
             }
         } else {
-            if (key == 'esc' || key == 'ctrl-[') {
-                data.state = 'start';
+            if (key == "esc" || key == "ctrl-[") {
+                data.state = "start";
                 return {command: coreCommands.stop};
             } else if (key == "ctrl-w") {
                 return {command: "removewordleft"};