@solomonai/cache/dist/stores.mjs.map

<div align="center"> <h1 align="center">@solomonai/cache</h1> <h5>Cache all the things</h5> </div>

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{ BaseError } from \"@unkey/error\";\n\nexport class CacheError extends BaseError {\n  public readonly name = \"CacheError\";\n  public readonly retry = false;\n\n  public readonly tier: string;\n  public readonly key: string;\n\n  constructor(opts: {\n    tier: string;\n    key: string;\n    message: string;\n  }) {\n    super(opts);\n    this.name = \"CacheError\";\n    this.tier = opts.tier;\n    this.key = opts.key;\n  }\n}\n","import { Err, Ok, type Result } from \"@unkey/error\";\nimport superjson from \"superjson\";\nimport { CacheError } from \"../errors\";\nimport type { Entry, Store } from \"./interface\";\n\nexport type CloudflareStoreConfig = {\n  domain: string;\n  zoneId: string;\n  /**\n   * This token must have at least\n   */\n  cloudflareApiKey: string;\n\n  /**\n   * As your data changes, it is important to keep backwards compatibility in mind. If your cached\n   * values are no longer backwards compatible, it can cause problems. For example when a value\n   * changes from optional to required. In these cases you should purge the entire cache by setting\n   * a new `cacheBuster` value. The `cacheBuster` is used as part of the cache key and changes\n   * ensure you are not reading old data anymore.\n   *\n   * @default \"v1\"\n   */\n  cacheBuster?: string;\n};\n\nexport class CloudflareStore<TNamespace extends string, TValue = any>\n  implements Store<TNamespace, TValue>\n{\n  private readonly config: CloudflareStoreConfig;\n  public readonly name = \"cloudflare\";\n\n  constructor(config: CloudflareStoreConfig) {\n    this.config = config;\n  }\n\n  private createCacheKey(namespace: TNamespace, key: string): URL {\n    return new URL(\n      `https://${this.config.domain}/cache/${this.config.cacheBuster ?? \"v1\"}/${String(\n        namespace,\n      )}/${key}`,\n    );\n  }\n\n  public async get(\n    namespace: TNamespace,\n    key: string,\n  ): Promise<Result<Entry<TValue> | undefined, CacheError>> {\n    let res: Response;\n    try {\n      // @ts-expect-error I don't know why this is not working\n      res = await caches.default.match(new Request(this.createCacheKey(namespace, key)));\n    } catch (err) {\n      return Err(\n        new CacheError({\n          tier: this.name,\n          key,\n          message: (err as Error).message,\n        }),\n      );\n    }\n    if (!res) {\n      return Ok(undefined);\n    }\n    const raw = await res.text();\n    try {\n      const entry = superjson.parse(raw) as Entry<TValue>;\n      return Ok(entry);\n    } catch (err) {\n      return Err(\n        new CacheError({\n          tier: this.name,\n          key,\n          message: (err as Error).message,\n        }),\n      );\n    }\n  }\n\n  public async set(\n    namespace: TNamespace,\n    key: string,\n    entry: Entry<TValue>,\n  ): Promise<Result<void, CacheError>> {\n    const req = new Request(this.createCacheKey(namespace, key));\n    const res = new Response(superjson.stringify(entry), {\n      headers: {\n        \"Content-Type\": \"application/json\",\n        \"Cache-Control\": `public, max-age=${Math.floor(entry.staleUntil / 1000)}`,\n      },\n    });\n    try {\n      // @ts-expect-error I don't know why this is not working\n      await caches.default.put(req, res);\n      return Ok();\n    } catch (err) {\n      return Err(\n        new CacheError({\n          tier: this.name,\n          key,\n          message: (err as Error).message,\n        }),\n      );\n    }\n  }\n\n  public async remove(\n    namespace: TNamespace,\n    keys: string | string[],\n  ): Promise<Result<void, CacheError>> {\n    const cacheKeys = (Array.isArray(keys) ? keys : [keys]).map((key) =>\n      this.createCacheKey(namespace, key),\n    );\n\n    // @ts-expect-error I don't know why this is not working\n    await Promise.all(cacheKeys.map((key) => caches.default.delete(key)));\n\n    return await fetch(\n      `https://api.cloudflare.com/client/v4zones/${this.config.zoneId}/purge_cache`,\n      {\n        method: \"POST\",\n        headers: {\n          Authorization: `Bearer ${this.config.cloudflareApiKey}`,\n          \"Content-Type\": \"application/json\",\n        },\n        body: JSON.stringify({\n          files: cacheKeys.map((k) => k.toString()),\n        }),\n      },\n    )\n      .then((res) => res.body?.cancel())\n      .then(() => Ok())\n      .catch((err) =>\n        Err(\n          new CacheError({\n            tier: this.name,\n            key: keys.toString(),\n            message: (err as Error).message,\n          }),\n        ),\n      );\n  }\n}\n","import { Ok, type Result } from \"@unkey/error\";\nimport type { CacheError } from \"../errors\";\nimport type { Entry, Store } from \"./interface\";\n\nexport type MemoryStoreConfig<TValue> = {\n  /**\n   * Remove expired entries on every `set` operation\n   *\n   * This flag is unstable and may be changed or removed later.\n   *\n   * ```\n   */\n  unstableEvictOnSet?: {\n    /**\n     * Provide a number between 0 and 1 to calculate whether eviction should run on each set.\n     * @example\n     * ```\n     * 1 -> run eviction on every `set`\n     * 0.5 -> run eviction on every 2nd `set`\n     * 0 or undefined -> disable\n     */\n    frequency: number;\n\n    /**\n     * Remove items until the number of items in the map is lower than `maxItems`\n     */\n    maxItems: number;\n  };\n  persistentMap: Map<string, TValue>;\n};\n\nexport class MemoryStore<TNamespace extends string, TValue = any>\n  implements Store<TNamespace, TValue>\n{\n  private readonly state: Map<string, { expires: number; entry: Entry<TValue> }>;\n  private readonly unstableEvictOnSet?: { frequency: number; maxItems: number };\n\n  public readonly name = \"memory\";\n\n  constructor(config: MemoryStoreConfig<{ expires: number; entry: Entry<TValue> }>) {\n    this.state = config.persistentMap;\n    this.unstableEvictOnSet = config.unstableEvictOnSet;\n  }\n\n  private buildCacheKey(namespace: TNamespace, key: string): string {\n    return [namespace, key].join(\"::\");\n  }\n\n  public async get(\n    namespace: TNamespace,\n    key: string,\n  ): Promise<Result<Entry<TValue> | undefined, CacheError>> {\n    const value = this.state.get(this.buildCacheKey(namespace, key));\n    if (!value) {\n      return Promise.resolve(Ok(undefined));\n    }\n    if (value.expires <= Date.now()) {\n      await this.remove(namespace, key);\n    }\n    return Promise.resolve(Ok(value.entry));\n  }\n\n  public async set(\n    namespace: TNamespace,\n    key: string,\n    entry: Entry<TValue>,\n  ): Promise<Result<void, CacheError>> {\n    this.state.set(this.buildCacheKey(namespace, key), {\n      expires: entry.staleUntil,\n      entry,\n    });\n\n    if (this.unstableEvictOnSet && Math.random() < this.unstableEvictOnSet.frequency) {\n      /**\n       * First delete all the expired ones\n       */\n      const now = Date.now();\n      this.state.forEach((value, key, map) => {\n        if (value.expires < now) {\n          map.delete(key);\n        }\n      });\n\n      /**\n       * If that's not enough, we delete oldest first\n       */\n      for (const [k] of this.state) {\n        if (this.state.size <= this.unstableEvictOnSet!.maxItems) {\n          break;\n        }\n\n        this.state.delete(k);\n      }\n    }\n\n    return Promise.resolve(Ok());\n  }\n\n  public async remove(\n    namespace: TNamespace,\n    keys: string | string[],\n  ): Promise<Result<void, CacheError>> {\n    const cacheKeys = (Array.isArray(keys) ? keys : [keys]).map((key) =>\n      this.buildCacheKey(namespace, key).toString(),\n    );\n    for (const key of cacheKeys) {\n      this.state.delete(key);\n    }\n    return Promise.resolve(Ok());\n  }\n}\n","import { Ok, type Result } from \"@unkey/error\";\nimport type { Redis } from \"@upstash/redis\";\n\nimport type { CacheError } from \"../errors\";\nimport type { Entry, Store } from \"./interface\";\n\nexport type UpstashRedisStoreConfig = {\n  redis: Redis;\n};\n\nexport class UpstashRedisStore<TNamespace extends string, TValue = any>\n  implements Store<TNamespace, TValue>\n{\n  private readonly redis: Redis;\n  public readonly name = \"upstash-redis\";\n\n  constructor(config: UpstashRedisStoreConfig) {\n    this.redis = config.redis;\n  }\n\n  private buildCacheKey(namespace: TNamespace, key: string): string {\n    return [namespace, key].join(\"::\");\n  }\n\n  public async get(\n    namespace: TNamespace,\n    key: string,\n  ): Promise<Result<Entry<TValue> | undefined, CacheError>> {\n    const value = await this.redis.get<Entry<TValue>>(this.buildCacheKey(namespace, key));\n    if (!value) {\n      return Ok(undefined);\n    }\n    return Ok(value);\n  }\n\n  public async set(\n    namespace: TNamespace,\n    key: string,\n    entry: Entry<TValue>,\n  ): Promise<Result<void, CacheError>> {\n    await this.redis.set<Entry<TValue>>(this.buildCacheKey(namespace, key), entry, {\n      pxat: entry.staleUntil,\n    });\n    return Ok();\n  }\n\n  public async remove(\n    namespace: TNamespace,\n    keys: string | string[],\n  ): Promise<Result<void, CacheError>> {\n    const cacheKeys = (Array.isArray(keys) ? keys : [keys]).map((key) =>\n      this.buildCacheKey(namespace, key).toString(),\n    );\n    this.redis.del(...cacheKeys);\n    return Ok();\n  }\n}\n","import type { Client } from \"@libsql/client\";\nimport { Ok, type Result } from \"@unkey/error\";\n\nimport type { CacheError } from \"../errors\";\nimport type { Entry, Store } from \"./interface\";\n\nexport type LibsqlStoreConfig = {\n  client: Client;\n  tableName?: string;\n};\n\nexport class LibSQLStore<TNamespace extends string, TValue = any>\n  implements Store<TNamespace, TValue>\n{\n  private readonly tableName: string;\n  private readonly client: Client;\n  public readonly name = \"libsql\";\n\n  constructor(config: LibsqlStoreConfig) {\n    this.client = config.client;\n    this.tableName = config.tableName || \"cache\";\n  }\n\n  private buildCacheKey(namespace: TNamespace, key: string): string {\n    return `${namespace}::${key}`;\n  }\n\n  public async get(\n    namespace: TNamespace,\n    key: string,\n  ): Promise<Result<Entry<TValue> | undefined, CacheError>> {\n    try {\n      const result = await this.client.execute({\n        sql: `SELECT value, freshUntil, staleUntil FROM ${this.tableName} WHERE key = ?`,\n        args: [this.buildCacheKey(namespace, key)],\n      });\n\n      if (result.rows.length === 0) {\n        return Ok(undefined);\n      }\n\n      const row = result.rows[0];\n      const entry: Entry<TValue> = {\n        value: JSON.parse(row.value as string),\n        freshUntil: Number(row.freshUntil),\n        staleUntil: Number(row.staleUntil),\n      };\n\n      return Ok(entry);\n    } catch {\n      return Ok(undefined);\n    }\n  }\n\n  public async set(\n    namespace: TNamespace,\n    key: string,\n    entry: Entry<TValue>,\n  ): Promise<Result<void, CacheError>> {\n    try {\n      await this.client.execute({\n        sql: `INSERT OR REPLACE INTO ${this.tableName} (key, value, freshUntil, staleUntil)\n              VALUES (?, ?, ?, ?)`,\n        args: [\n          this.buildCacheKey(namespace, key),\n          JSON.stringify(entry.value),\n          entry.freshUntil,\n          entry.staleUntil,\n        ],\n      });\n\n      return Ok();\n    } catch {\n      return Ok();\n    }\n  }\n\n  public async remove(\n    namespace: TNamespace,\n    keys: string | string[],\n  ): Promise<Result<void, CacheError>> {\n    const cacheKeys = (Array.isArray(keys) ? keys : [keys]).map((key) =>\n      this.buildCacheKey(namespace, key).toString(),\n    );\n\n    try {\n      await Promise.all(\n        cacheKeys.map((cacheKey) =>\n          this.client.execute({\n            sql: `DELETE FROM ${this.tableName} WHERE key = ?`,\n            args: [cacheKey],\n          }),\n        ),\n      );\n\n      return Ok();\n    } catch {\n      return Ok();\n    }\n  }\n}\n"]}