engauge/src/storage.js

Javascript A/B Testing Library for Engauge

import store from 'store';

// a thin wrapper around store.js for easy swapping
class Storage {
  constructor(key) {
    if (!store.enabled) { throw 'local storage not supported'; }
    this.namespace = key;
    this.storage = store.get(this.namespace) || {};
  }
  set(key, value) {
    this.storage[key] = value;
    store.set(this.namespace, this.storage);
    return value;
  }
  get(key) {
    return this.storage[key];
  }
  isLocalStorageNameSupported() {
    let testKey = 'test', storage;
    if (typeof process !== 'undefined') {
      return false;
    }
    else {
      storage = window.sessionStorage;
    }
    try {
      storage.setItem(testKey, '1');
      storage.removeItem(testKey);
      return true;
    } catch (error) {
      return false;
    }
  }
}

export default Storage;