Lumio IndexDB extraction

lumio_indexDB_dump.js

// DB_NAME via: ChromeDev Tools -> Application Tab -> Indexed DB
// should be something like: _pouch_bank_MD5_HASH
const DB_NAME = "YOUR_DB_NAME";

indexedDB.open(DB_NAME, DB_VERSION = 5).onsuccess = function (evt) {
  const db = this.result;

  const transaction = db.transaction("by-sequence", 'readonly');
  const objectStore = transaction.objectStore("by-sequence");
  const index = objectStore.index("_doc_id_rev");

  const data = {candies: {}, collections: []};
  index.openCursor().onsuccess = function(event) {
    var cursor = event.target.result;
    if (cursor) {
      const { key } = cursor;
      index.get(key).onsuccess = ({ target: { result } }) => {
        const { ptype } = result;
        if (ptype === 'CANDY') {
          const { URL, title, _doc_id_rev } = result;
          const id = _doc_id_rev.split('::')[0];
          data.candies[id] = {url: URL, title};
        } else if (ptype === 'STORYLINE') {
          const { collectionCandies, title } = result;
          data.collections.push({title, collectionCandies})
        }
        cursor.continue();
      }
    } else {
      const collections = data.collections.map( ({ title, collectionCandies }) => {
        const candies = collectionCandies.reduce( (acc, candyId) => {
          const candy = data.candies[candyId];
          if (candy) {
            const { title, url } = candy;
            return [...acc, { title, url }];
          }
        }, []);
        return { title, candies };
      });
      console.log(JSON.stringify(collections));
    }
  };
};