Method get

lib/utils.js:352–363

(key)

  }

  get(key) {
    this.rotate();
    if (key in this.cache) {
      return this.cache[key];
    } else if (key in this.previous) {
      this.cache[key] = this.previous[key];
      delete this.previous[key];
      return this.cache[key];
    } else {
      return null;
    }
  }

  rotate(force) {
    if (force == null) force = false;