style(eslint): match operator-linebreak preferences

src/middleware/render.js

@@ -89,11 +89,11 @@ module.exports = function (middleware) {
 					}, next);
 				},
 				function (results, next) {
-					var str = results.header
-						+ (res.locals.postHeader || '')
-						+ results.content + '<script id="ajaxify-data"></script>'
-						+ (res.locals.preFooter || '')
-						+ results.footer;
+					var str = results.header +
+						(res.locals.postHeader || '') +
+						results.content + '<script id="ajaxify-data"></script>' +
+						(res.locals.preFooter || '') +
+						results.footer;
 
 					translate(str, req, res, next);
 				},