moved roboto link tag from CSS import to prefetched link tag, re: nodebb/nodebb#5733

less/style.less

@@ -1,5 +1,3 @@
-@import url(https://fonts.googleapis.com/css?family=Roboto:300,400,500,700);
-
 html {
 	overflow-y: scroll;
 	min-height: 100%;

library.js

@@ -117,4 +117,14 @@ library.addUserToTopic = function(data, callback) {
 	}
 };
 
+library.getLinkTags = function (data, callback) {
+	data.links.push({
+		rel: 'prefetch stylesheet',
+		type: '',
+		href: 'https://fonts.googleapis.com/css?family=Roboto:300,400,500,700',
+	});
+
+	callback(null, data);
+};
+
 module.exports = library;

plugin.json

@@ -7,7 +7,8 @@
 		{ "hook": "filter:config.get", "method": "getThemeConfig" },
 		{ "hook": "static:app.load", "method": "init" },
 		{ "hook": "filter:admin.header.build", "method": "addAdminNavigation" },
-		{ "hook": "filter:topic.build", "method": "addUserToTopic" }
+		{ "hook": "filter:topic.build", "method": "addUserToTopic" },
+		{ "hook": "filter:meta.getLinkTags", "method": "getLinkTags"}
 	],
 	"scripts": [
 		"lib/persona.js",