wip

src/common/build/i18n.ts

@@ -17,12 +17,19 @@ export default class Replacer {
 	}
 
 	private get(key: string) {
-		let text = locale[this.lang];
+		const texts = locale[this.lang];
+
+		if (texts == null) {
+			console.warn(`lang '${this.lang}' is not supported`);
+			return key; // Fallback
+		}
+
+		let text;
 
 		// Check the key existance
 		const error = key.split('.').some(k => {
-			if (text.hasOwnProperty(k)) {
-				text = text[k];
+			if (texts.hasOwnProperty(k)) {
+				text = texts[k];
 				return false;
 			} else {
 				return true;