Copied starter Meteor App files.

Cut and paste of the BasicMeteorApp.

imports/util/scrollWidth.js

@@ -0,0 +1,7 @@
+var scrollBarWidth = getScrollBarWidth();
+function getScrollBarWidth() {
+	let $outer = $('<div>').css({visibility: 'hidden', width: 100, overflow: 'scroll'}).appendTo('body'),
+		widthWithScroll = $('<div>').css({width: '100%'}).appendTo($outer).outerWidth();
+	$outer.remove();
+	return 100 - widthWithScroll;
+}