Function init

src/background/utils/patch-db.js:8–23

()

  console.info('Upgrade database...');
  init();
  function init() {
    const req = indexedDB.open(VIOLENTMONKEY, 1);
    req.onsuccess = () => {
      try {
        transform(req.result);
      } catch (err) {
        // This should not happen, but did happen in Firefox.
        reject(err);
      }
    };
    req.onerror = reject;
    req.onupgradeneeded = () => {
      // No available upgradation
      reject();
    };
  }
  function transform(db) {
    const tx = db.transaction([SCRIPTS, S_REQUIRE, S_CACHE, VALUES]);
    const updates = {};