packages/kie-sandbox-fs/src/IdbBackend.js

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

const idb = require("@isomorphic-git/idb-keyval");

module.exports = class IdbBackend {
  constructor(dbname, storename) {
    this._database = dbname;
    this._storename = storename;
    this._store = new idb.Store(this._database, this._storename);
  }
  saveSuperblock(superblock) {
    return idb.set("!root", superblock, this._store);
  }
  loadSuperblock() {
    return idb.get("!root", this._store);
  }
  readFile(inode) {
    return idb.get(inode, this._store);
  }
  writeFile(inode, data) {
    return idb.set(inode, data, this._store);
  }
  unlink(inode) {
    return idb.del(inode, this._store);
  }
  wipe() {
    return idb.clear(this._store);
  }
  close() {
    return idb.close(this._store);
  }
};