Add eslint and fix reported issues

core/input/keyboard.js

@@ -31,7 +31,7 @@ export default function Keyboard(target) {
         'blur': this._allKeysUp.bind(this),
         'checkalt': this._checkAlt.bind(this),
     };
-};
+}
 
 Keyboard.prototype = {
     // ===== EVENT HANDLERS =====
@@ -296,7 +296,7 @@ Keyboard.prototype = {
         Log.Debug(">> Keyboard.allKeysUp");
         for (var code in this._keyDownList) {
             this._sendKeyEvent(this._keyDownList[code], code, false);
-        };
+        }
         Log.Debug("<< Keyboard.allKeysUp");
     },
 

core/input/mouse.js

@@ -32,7 +32,7 @@ export default function Mouse(target) {
         'mousewheel': this._handleMouseWheel.bind(this),
         'mousedisable': this._handleMouseDisable.bind(this)
     };
-};
+}
 
 Mouse.prototype = {
     // ===== PROPERTIES =====

core/input/util.js

@@ -1,4 +1,3 @@
-import KeyTable from "./keysym.js";
 import keysyms from "./keysymdef.js";
 import vkeys from "./vkeys.js";
 import fixedkeys from "./fixedkeys.js";