readFile = (item) => {
          if (
            Buffer.isBuffer(item) ||
            (typeof item === "object" && item !== null && !Array.isArray(item))
          ) {
            return item;
          }

          if (item) {
            let stats = null;

            try {
              stats = fs.lstatSync(fs.realpathSync(item)).isFile();
            } catch (error) {
              // Ignore error
            }

            // It is a file
            return stats ? fs.readFileSync(item) : item;
          }
        }
@param {string | Buffer | undefined} item
@returns {string | Buffer | undefined}