Method rotate

lib/utils.js:365–377

(force)

  }

  rotate(force) {
    if (force == null) force = false;
    Utils.nextTick(() => {
      if (
        force || (this.maxEntries < Object.keys(this.cache).length) ||
        (this.expiry < (new Date() - this.lastRotation))
      ) {
        this.lastRotation = new Date();
        this.previous = this.cache;
        return this.cache = {};
      }
    });
  }

  clear() {
    this.rotate(true);