Class Cache

js/botasaurus-js/src/cache.ts:132–290

}

class Cache {
  static cacheDirectory = relativePath('cache');
  static REFRESH = 'REFRESH';

  static setCacheDirectory(folder: string): void {
    // replaces end '/'
    Cache.cacheDirectory = folder.replace(/\/$/, '') + '/';
  }

  static put(func: Function | string, keyData: any, data: any): void {
    _createCacheDirectoryIfNotExists(func);
    const path = _getCachePath(func, keyData);
    writeJson(data, path);
  }

  static hash(data: any): string {
    return _hash(data);
  }

  static has(func: Function | string, keyData: any): boolean {
    _createCacheDirectoryIfNotExists(func);
    const path = _getCachePath(func, keyData);
    return _has(path);
  }

  static get(func: Function | string, keyData: any, raiseException = true): any {
    if (Array.isArray(keyData)) {
      return Cache.getItems(func, keyData);
    }

    _createCacheDirectoryIfNotExists(func);
    const path = _getCachePath(func, keyData);
    if (_has(path)) {
      try {
        return _get(path);
      } catch (error) {
        return null;
      }
    }

    if (raiseException) {
      throw new CacheMissException(path);
    }
    return null;
  }

  static getItems(func: Function | string, items?: any[]): any[] {
    if (typeof items === 'string') {
      return Cache.getItems(func, [items]);
    }

    const hashes = Cache.getItemsHashes(func, items);
    const fnName = getFnName(func);
    const paths = hashes.map(r => path.join(Cache.cacheDirectory, fnName, `${r}.json`));
    return _readJsonFiles(paths);
  }

  static getItemsHashes(func: Function | string, items?: any[]): string[] {