kentico-kontent-nuxt-module/dist/runtime/cache-service.js

Add Kentico Kontent super power to your nuxt app

export class CacheService {
  constructor(client) {
    this.cacheEntries = [];
    this.deliveryClient = client;
  }
  viaCache(query, seconds, cacheKey, isServerProcess) {
    if (this.cacheEntries && query && isServerProcess) {
      return query.toPromise();
    }
    ;
    if (!seconds) {
      seconds = 30;
    }
    if (query && !process.server) {
      const key = cacheKey && cacheKey !== "" ? cacheKey : query.getUrl();
      const cacheEntry = getCacheEntry(this.cacheEntries, key);
      if (cacheEntry && getDiffInSeconds(new Date(), cacheEntry.timestamp) < seconds) {
        return new Promise((resolve, reject) => {
          console.log("viaCache: response taken from cache");
          resolve(cacheEntry.object);
        });
      } else {
        return query.toPromise().then((response) => {
          console.log("viaCache: response taken from server");
          if (cacheEntry) {
            cacheEntry.timestamp = new Date();
          } else {
            this.cacheEntries.push({ key, object: response, seconds, timestamp: new Date() });
          }
          return response;
        });
      }
    }
    return new Promise((resolve, reject) => {
      resolve(null);
    });
  }
}
function getCacheEntry(cacheEntries, key) {
  if (cacheEntries) {
    return cacheEntries.find((s) => s.key === key);
  }
  return null;
}
function getDiffInSeconds(t1, t2) {
  const dif = t1.getTime() - t2.getTime();
  const secondsFromT1ToT2 = dif / 1e3;
  const secondsBetweenDates = Math.abs(secondsFromT1ToT2);
  return secondsBetweenDates;
}