{"version":3,"file":"redisCache.js","sources":["../../../src/utils/redisCache.ts"],"sourcesContent":["export type IORedisCommandArgs = Array<string | Buffer | number | unknown[]>;\n\nconst SINGLE_ARG_COMMANDS = ['get', 'set', 'setex'];\n\nexport const GET_COMMANDS = ['get', 'mget'];\nexport const SET_COMMANDS = ['set', 'setex'];\n// todo: del, expire\n\n/** Checks if a given command is in the list of redis commands.\n *  Useful because commands can come in lowercase or uppercase (depending on the library). */\nexport function isInCommands(redisCommands: string[], command: string): boolean {\n  return redisCommands.includes(command.toLowerCase());\n}\n\n/** Determine cache operation based on redis statement */\nexport function getCacheOperation(\n  command: string,\n): 'cache.get' | 'cache.put' | 'cache.remove' | 'cache.flush' | undefined {\n  if (isInCommands(GET_COMMANDS, command)) {\n    return 'cache.get';\n  } else if (isInCommands(SET_COMMANDS, command)) {\n    return 'cache.put';\n  } else {\n    return undefined;\n  }\n}\n\nfunction keyHasPrefix(key: string, prefixes: string[]): boolean {\n  return prefixes.some(prefix => key.startsWith(prefix));\n}\n\n/** Safely converts a redis key to a string (comma-separated if there are multiple keys) */\nexport function getCacheKeySafely(redisCommand: string, cmdArgs: IORedisCommandArgs): string[] | undefined {\n  try {\n    if (cmdArgs.length === 0) {\n      return undefined;\n    }\n\n    // eslint-disable-next-line @typescript-eslint/no-explicit-any\n    const processArg = (arg: string | Buffer | number | any[]): string[] => {\n      if (typeof arg === 'string' || typeof arg === 'number' || Buffer.isBuffer(arg)) {\n        return [arg.toString()];\n      } else if (Array.isArray(arg)) {\n        return flatten(arg.map(arg => processArg(arg)));\n      } else {\n        return ['<unknown>'];\n      }\n    };\n\n    const firstArg = cmdArgs[0];\n    if (isInCommands(SINGLE_ARG_COMMANDS, redisCommand) && firstArg != null) {\n      return processArg(firstArg);\n    }\n\n    return flatten(cmdArgs.map(arg => processArg(arg)));\n  } catch {\n    return undefined;\n  }\n}\n\n/** Determines whether a redis operation should be considered as \"cache operation\" by checking if a key is prefixed.\n *  We only support certain commands (such as 'set', 'get', 'mget'). */\nexport function shouldConsiderForCache(redisCommand: string, keys: string[], prefixes: string[]): boolean {\n  if (!getCacheOperation(redisCommand)) {\n    return false;\n  }\n\n  for (const key of keys) {\n    if (keyHasPrefix(key, prefixes)) {\n      return true;\n    }\n  }\n  return false;\n}\n\n/** Calculates size based on the cache response value */\nexport function calculateCacheItemSize(response: unknown): number | undefined {\n  const getSize = (value: unknown): number | undefined => {\n    try {\n      if (Buffer.isBuffer(value)) return value.byteLength;\n      else if (typeof value === 'string') return value.length;\n      else if (typeof value === 'number') return value.toString().length;\n      else if (value === null || value === undefined) return 0;\n      return JSON.stringify(value).length;\n    } catch {\n      return undefined;\n    }\n  };\n\n  return Array.isArray(response)\n    ? response.reduce((acc: number | undefined, curr) => {\n        const size = getSize(curr);\n        return typeof size === 'number' ? 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