impr(polyglot): Small refactoring in Wordset classes. (@IliyaZinoviev)

Author: IliyaZinoviev

frontend/src/ts/test/funbox/funbox-functions.ts

@@ -161,7 +161,7 @@ export class PolyglotWordset extends Wordset {
     this.wordsMap = wordsMap;
     this.resetIndexes();
     this.length = Array.from(this.wordsMap.values()).reduce(
-      (sum, ws) => sum + ws.words.length,
+      (sum, ws) => sum + ws.length,
       0,
     );
     this.currLang = this.langs[0] as Language;
@@ -172,7 +172,7 @@ export class PolyglotWordset extends Wordset {
   }
 
   override resetIndexes(): void {
-    this.wordsMap.forEach((ws, _) => {
+    this.wordsMap.forEach((ws) => {
       ws.resetIndexes();
     });
   }

frontend/src/ts/test/wordset.ts

@@ -25,7 +25,7 @@ export class Wordset {
 
   randomWord(mode: FunboxWordsFrequency): string {
     if (mode === "zipf") {
-      return this.words[zipfyRandomArrayIndex(this.words.length)] as string;
+      return this.words[zipfyRandomArrayIndex(this.length)] as string;
     } else {
       return randomElementFromArray(this.words);
     }