Apply jshint to scripts/ on check

Makefile.am

@@ -40,7 +40,7 @@ lasertank.js: modindex
 
 test: check
 check:
-	jshint src/
+	jshint src/ scripts/
 	@PATH="$(PATH):$(CURDIR)/node_modules/mocha/bin" \
 		mocha --recursive $(TESTARGS)
 

scripts/game.js

@@ -17,21 +17,27 @@
  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+"use strict";
+
 ( function()
 {
+/* jshint browser:true */
+/* global lasertank */
 
-var load_ltg = lasertank.FileLoader( document.getElementById( 'ltg' ) ),
-    load_lvl = lasertank.FileLoader( document.getElementById( 'lvl' ) ),
+const load_ltg = lasertank.FileLoader( document.getElementById( 'ltg' ) ),
+      load_lvl = lasertank.FileLoader( document.getElementById( 'lvl' ) ),
 
-    menu_bar = lasertank.ui.MenuBar( document.getElementById( 'menubar' ) ),
+      ele_game = document.getElementById( 'game' ),
+      ctx      = document.getElementById( 'render' ).getContext( '2d' );
 
-    ele_game = document.getElementById( 'game' ),
-    ctx      = document.getElementById( 'render' ).getContext( '2d' ),
-
-    ltg_data = '',
+let ltg_data = '',
     lvl_data = '';
 
 
+// XXX: relies on side-effects of ctor
+lasertank.ui.MenuBar( document.getElementById( 'menubar' ) );
+
+
 load_ltg.onLoad( function( e, data )
 {
     if ( e ) throw e;
@@ -40,6 +46,7 @@ load_ltg.onLoad( function( e, data )
     gamechk();
 } );
 
+
 load_lvl.onLoad( function( e, data )
 {
     if ( e ) throw e;
@@ -48,6 +55,7 @@ load_lvl.onLoad( function( e, data )
     gamechk();
 } );
 
+
 function gamechk()
 {
     if ( !( ltg_data && lvl_data ) ) return;
@@ -62,6 +70,7 @@ function gamechk()
         } );
 }
 
+
 // temporary
 document.getElementById( 'new' ).onclick = function()
 {

scripts/main.js

@@ -17,5 +17,7 @@
  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+/* jshint browser:true */
+
 // alert the user on all uncaught errors
-window.onerror = alert;
+window.onerror = window.alert;