perf: dont fs.open if plugin doesnt have language namespace (#9893)

closes #9892

src/meta/languages.js

@@ -99,7 +99,12 @@ async function buildNamespaceLanguage(lang, namespace, plugins) {
 }
 
 async function addPlugin(translations, pluginData, lang, namespace) {
-	const pluginLanguages = path.join(paths.nodeModules, pluginData.id, pluginData.languages);
+	// if plugin doesn't have this namespace no need to continue
+	if (pluginData.languageData && !pluginData.languageData.namespaces.includes(namespace)) {
+		return;
+	}
+
+	const pathToPluginLanguageFolder = path.join(paths.nodeModules, pluginData.id, pluginData.languages);
 	const defaultLang = pluginData.defaultLang || 'en-GB';
 
 	// for each plugin, fallback in this order:
@@ -116,7 +121,7 @@ async function addPlugin(translations, pluginData, lang, namespace) {
 
 	for (const language of langs) {
 		/* eslint-disable no-await-in-loop */
-		await assignFileToTranslations(translations, path.join(pluginLanguages, language, `${namespace}.json`));
+		await assignFileToTranslations(translations, path.join(pathToPluginLanguageFolder, language, `${namespace}.json`));
 	}
 }
 

src/plugins/data.js

@@ -3,6 +3,7 @@
 const fs = require('fs');
 const path = require('path');
 const winston = require('winston');
+const _ = require('lodash');
 
 const db = require('../database');
 const file = require('../file');
@@ -245,9 +246,8 @@ Data.getLanguageData = async function getLanguageData(pluginData) {
 		languages.push(language);
 		namespaces.push(namespace);
 	});
-
 	return {
-		languages,
-		namespaces,
+		languages: _.uniq(languages),
+		namespaces: _.uniq(namespaces),
 	};
 };

src/plugins/load.js

@@ -63,6 +63,7 @@ module.exports = function (Plugins) {
 		if (results.languageData) {
 			Plugins.languageData.languages = _.union(Plugins.languageData.languages, results.languageData.languages);
 			Plugins.languageData.namespaces = _.union(Plugins.languageData.namespaces, results.languageData.namespaces);
+			pluginData.languageData = results.languageData;
 		}
 		Plugins.pluginsData[pluginData.id] = pluginData;
 	}