Revert "feat: load timeago strings client-side"

This reverts commit 558a2d739c.

public/src/app.js

@@ -252,11 +252,7 @@ app.cacheBuster = null;
 	app.processPage = function () {
 		highlightNavigationLink();
 
-		app.initTimeago().then(function () {
-			$('.timeago').timeago();
-		}, function () {
-			console.warn('[timeago] Unable to retrieve ' + config.userLang + ' strings, falling back to English');
-		});
+		$('.timeago').timeago();
 
 		utils.makeNumbersHumanReadable($('.human-readable-number'));
 
@@ -272,21 +268,6 @@ app.cacheBuster = null;
 		}
 	};
 
-	app.initTimeago = function () {
-		// Loads strings based on user language, if not already loaded
-		return new Promise(function (resolve, reject) {
-			if (app.flags._timeago) {
-				return resolve();
-			}
-
-			var pathToLocaleFile = '/vendor/jquery/timeago/locales/jquery.timeago.' + utils.userLangToTimeagoCode(config.userLang) + '.js';
-			$.getScript(config.assetBaseUrl + pathToLocaleFile).done(function () {
-				app.flags._timeago = true;
-				resolve();
-			}).fail(reject);
-		});
-	};
-
 	app.showMessages = function () {
 		var messages = {
 			login: {

src/middleware/header.js

@@ -15,6 +15,7 @@ var plugins = require('../plugins');
 var navigation = require('../navigation');
 var translator = require('../translator');
 var privileges = require('../privileges');
+var languages = require('../languages');
 var utils = require('../utils');
 var helpers = require('./helpers');
 
@@ -187,8 +188,25 @@ module.exports = function (middleware) {
 			templateValues: templateValues,
 		});
 
-		const scripts = await plugins.fireHook('filter:scripts.get', []);
-		data.templateValues.scripts = scripts.map(function (script) {
+		const results = await utils.promiseParallel({
+			scripts: plugins.fireHook('filter:scripts.get', []),
+			timeagoLocale: (async () => {
+				const languageCodes = await languages.listCodes();
+				const userLang = res.locals.config.userLang;
+				const timeagoCode = utils.userLangToTimeagoCode(userLang);
+
+				if (languageCodes.includes(userLang) && languages.timeagoCodes.includes(timeagoCode)) {
+					const pathToLocaleFile = '/vendor/jquery/timeago/locales/jquery.timeago.' + timeagoCode + '.js';
+					return nconf.get('relative_path') + '/assets' + pathToLocaleFile;
+				}
+				return false;
+			})(),
+		});
+
+		if (results.timeagoLocale) {
+			results.scripts.push(results.timeagoLocale);
+		}
+		data.templateValues.scripts = results.scripts.map(function (script) {
 			return { src: script };
 		});