Simple localStorage like wrapper around indexeddb

storage.js

    function Storage(name) {
      this.name= name;
      this.ready = (done)=> {
        var request = window.indexedDB.open(name);
        request.onupgradeneeded = e => {
          this.db = e.target.result;
          this.db.createObjectStore(name);
        };
        request.onsuccess = e => {
          this.db = e.target.result;
          done();
        };
        request.onerror = e => {
          this.db = e.target.result;
          console.error(e);
        };
      };
    };

    Storage.prototype.get = function(key, cb) {
        return this.ready(()=>{
            var request = this.getStore().get(key);
            request.onsuccess = cb ? e=>cb(e.target.result) : console.log;
            request.onerror = cb ? e=>cb(e.target.result) : console.error;
        });
    };

    Storage.prototype.getStore = function() {
      return this.db
        .transaction([this.name], 'readwrite')
        .objectStore(this.name);
    };

    Storage.prototype.set = function(key, value, cb) {
        return this.ready(()=> {
            var request = this.getStore().put(value, key);
            request.onsuccess = cb ? cb : console.log;
            request.onerror = cb ? cb : console.error;
        });
    };

    Storage.prototype.delete = function(key, value) {
      window.indexedDB.deleteDatabase(location.origin);
    };