add vocabulary to subjects

scripts/get-kanji-level.ts

@@ -9,14 +9,16 @@ interface ILevelMap {
   };
 }
 
-async function makeWaniKaniKanjiLevels(opts: { cache?: boolean } = {}) {
+async function makeWaniKaniKanjiLevels(
+  opts: { cache?: boolean; force?: boolean } = {},
+) {
   const FILENAME = 'cache/wanikani-kanji.yaml';
   if (opts.cache && existsSync(FILENAME)) {
     return yaml.load(readFileSync(FILENAME, 'utf-8')) as ILevelMap;
   }
 
   const wkKanji = await new WaniKani()
-    .subjects()
+    .subjects({ force: !!opts.force })
     .then((vs) => vs.filter((v) => v.object === 'kanji') as IKanji[]);
 
   const levelMap: ILevelMap = {};