Function get

src/common/cache.js:28–34

(key, def, shouldHit = true)

    batchStartTime = 0;
  }
  function get(key, def, shouldHit = true) {
    const item = cache[key];
    if (item && shouldHit) {
      reschedule(item, item.lifetime);
    }
    return item ? item.value : def;
  }
  /**
   * @param {(val:?, key:string) => void} fn
   * @param {Object} [thisObj]