spoll-server/modules/db.js

import { JsonDB } from "node-json-db";
import { Config } from "node-json-db/dist/lib/JsonDBConfig";

const bindUpdate = db => (path, data) => {
  return db.push(path, data, false);
};

const bindSet = db => (path, data) => {
  return db.push(path, data, true);
};

const bindDelete = db => path => {
  return db.delete(path);
};

const bindGet = db => path => {
  try {
    return db.getData(path);
  } catch (e) {
    return null;
  }
};

const loadDb = dbPath => {
  const db = new JsonDB(new Config(dbPath, true, true, "/"));
  return {
    update: bindUpdate(db),
    delete: bindDelete(db),
    get: bindGet(db),
    set: bindSet(db),
    save: db.save,
    reload: db.reload
  };
};

export default loadDb;