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import { HitCacheDTO } from '../types.ts'import { IHitCacheImplementation } from './IHitCacheImplementation.ts'export const FS_HIT_PREFIX = 'FS_DEFAULT_HIT_CACHE_'export class DefaultHitCache implements IHitCacheImplementation {  cacheHit (visitorId: string, data: HitCacheDTO): Promise<void> {    const localDatabase = localStorage.getItem(FS_HIT_PREFIX + visitorId)    let dataJson = ''    if (localDatabase) {      const localData = localDatabase.slice(0, -1)      dataJson = `${localData},${JSON.stringify(data)}]`    } else {      dataJson = `[${JSON.stringify(data)}]`    }    localStorage.setItem(FS_HIT_PREFIX + visitorId, dataJson)    return Promise.resolve()  }
  lookupHits (visitorId: string): Promise<HitCacheDTO[]> {    const data = localStorage.getItem(FS_HIT_PREFIX + visitorId)    localStorage.removeItem(FS_HIT_PREFIX + visitorId)    return Promise.resolve(data ? JSON.parse(data) : null)  }
  flushHits (visitorId: string):Promise<void> {    localStorage.removeItem(FS_HIT_PREFIX + visitorId)    return Promise.resolve()  }}