ust2json

yarn add katai5plate/ust2json

const {
 readUST,
 writeJSON,
 ustToJSON,
 writeUSTFromJSON,
 isNoteSection,
} = require("ust2json");
// UST を読み込む
const ust = readUST("./sample.ust");
// UST を JSON に変換
const json = ustToJSON(ust);
// JSON を書き出す
writeJSON("./result.json", json);
// JSON のすべての歌詞を「ぬ」に変更
const edited = json.map((element) => {
 const { section, entries } = element;
 if (isNoteSection(section)) {
 entries.Lyric = "ぬ";
 return element;
 }
 return element;
});
// 変更を加えた JSON を UST として書き出す
writeUSTFromJSON("./res.ust", edited);