{"version":3,"file":"pure.index.mjs","names":["#current","AsyncLocalStoragePromise: Promise"],"sources":["../../src/async_hooks/pure.index.ts"],"sourcesContent":["import type { AsyncLocalStorage } from \"node:async_hooks\";\n\n/**\n * Due to the lack of AsyncLocalStorage in some environments (like Convex),\n *\n * We assume serverless functions are short-lived and single-threaded, so we can use a simple polyfill.\n */\nclass AsyncLocalStoragePolyfill {\n\t#current: T | undefined = undefined;\n\n\trun(store: T, fn: () => unknown): unknown {\n\t\tconst prev = this.#current;\n\t\tthis.#current = store;\n\t\tconst result = fn();\n\t\tif (result instanceof Promise) {\n\t\t\treturn result.finally(() => {\n\t\t\t\tthis.#current = prev;\n\t\t\t});\n\t\t}\n\t\tthis.#current = prev;\n\t\treturn result;\n\t}\n\n\tgetStore(): T | undefined {\n\t\treturn this.#current;\n\t}\n}\n\nconst AsyncLocalStoragePromise: Promise =\n\tPromise.resolve().then(() => {\n\t\tif (\"AsyncLocalStorage\" in globalThis) {\n\t\t\treturn (globalThis as any).AsyncLocalStorage;\n\t\t}\n\t\treturn AsyncLocalStoragePolyfill;\n\t});\n\nexport async function getAsyncLocalStorage(): Promise<\n\ttypeof AsyncLocalStorage\n> {\n\tconst mod = await AsyncLocalStoragePromise;\n\tif (mod === null) {\n\t\tthrow new Error(\"getAsyncLocalStorage is only available in server code\");\n\t} else {\n\t\treturn mod;\n\t}\n}\n"],"mappings":";;;;;;AAOA,IAAM,4BAAN,MAAmC;CAClC,WAA0B;CAE1B,IAAI,OAAU,IAA4B;EACzC,MAAM,OAAO,MAAKA;AAClB,QAAKA,UAAW;EAChB,MAAM,SAAS,IAAI;AACnB,MAAI,kBAAkB,QACrB,QAAO,OAAO,cAAc;AAC3B,SAAKA,UAAW;IACf;AAEH,QAAKA,UAAW;AAChB,SAAO;;CAGR,WAA0B;AACzB,SAAO,MAAKA;;;AAId,MAAMC,2BACL,QAAQ,SAAS,CAAC,WAAW;AAC5B,KAAI,uBAAuB,WAC1B,QAAQ,WAAmB;AAE5B,QAAO;EACN;AAEH,eAAsB,uBAEpB;CACD,MAAM,MAAM,MAAM;AAClB,KAAI,QAAQ,KACX,OAAM,IAAI,MAAM,wDAAwD;KAExE,QAAO"}