{"version":3,"file":"instrumentDurableObjectNamespace.js","sources":["../../../src/instrumentations/instrumentDurableObjectNamespace.ts"],"sourcesContent":["import type { DurableObjectNamespace, DurableObjectStub } from '@cloudflare/workers-types';\nimport { appendRpcMeta } from '../utils/rpcMeta';\nimport { instrumentFetcher } from './worker/instrumentFetcher';\n\n// Built-in DurableObjectStub methods that are not RPC calls.\nexport const STUB_NON_RPC_METHODS = new Set(['fetch', 'connect', 'dup']);\n\n/**\n * Instruments a DurableObjectNamespace binding to create spans for DO interactions.\n *\n * Wraps:\n * - `namespace.get(id)` / `namespace.getByName(name)` with a span + instruments returned stub\n * - `namespace.jurisdiction(name)` by instrumenting the returned namespace the same way\n * - `namespace.idFromName(name)` / `namespace.idFromString(id)` / `namespace.newUniqueId()` with breadcrumbs\n *\n * @param namespace - The DurableObjectNamespace to instrument\n * @param propagateRpcTrace - Whether RPC method calls on the returned stubs carry trace context\n */\nexport function instrumentDurableObjectNamespace(\n  namespace: DurableObjectNamespace,\n  propagateRpcTrace = false,\n): DurableObjectNamespace {\n  return new Proxy(namespace, {\n    get(target, prop, _receiver) {\n      const value = Reflect.get(target, prop) as unknown;\n\n      if (typeof value !== 'function') {\n        return value;\n      }\n\n      if (prop === 'get' || prop === 'getByName') {\n        return function (this: unknown, ...args: unknown[]) {\n          const stub = Reflect.apply(value, target, args);\n\n          return instrumentDurableObjectStub(stub, propagateRpcTrace);\n        };\n      }\n\n      if (prop === 'jurisdiction') {\n        return function (this: unknown, ...args: unknown[]) {\n          const subnamespace = Reflect.apply(value, target, args);\n\n          return instrumentDurableObjectNamespace(subnamespace, propagateRpcTrace);\n        };\n      }\n\n      return value.bind(target);\n    },\n  });\n}\n\n/**\n * Instruments a DurableObjectStub to create spans for outgoing fetch calls\n * and propagate trace context across RPC calls.\n *\n * @param stub - The DurableObjectStub to instrument\n * @param propagateRpcTrace - Whether RPC method calls carry trace context\n */\nfunction instrumentDurableObjectStub(stub: DurableObjectStub, propagateRpcTrace: boolean): DurableObjectStub {\n  return new Proxy(stub, {\n    get(target, prop) {\n      const value = Reflect.get(target, prop);\n\n      if (prop === 'fetch' && typeof value === 'function') {\n        return instrumentFetcher((...args) => Reflect.apply(value, target, args));\n      }\n\n      if (\n        propagateRpcTrace &&\n        typeof value === 'function' &&\n        typeof prop === 'string' &&\n        !STUB_NON_RPC_METHODS.has(prop)\n      ) {\n        return (...args: unknown[]) => Reflect.apply(value, target, appendRpcMeta(args));\n      }\n\n      return value;\n    },\n  });\n}\n"],"names":["instrumentFetcher","appendRpcMeta"],"mappings":";;;;;AAKO,MAAM,uCAAuB,IAAI,GAAA,CAAI,CAAC,OAAA,EAAS,SAAA,EAAW,KAAK,CAAC;AAahE,SAAS,gCAAA,CACd,SAAA,EACA,iBAAA,GAAoB,KAAA,EACI;AACxB,EAAA,OAAO,IAAI,MAAM,SAAA,EAAW;AAAA,IAC1B,GAAA,CAAI,MAAA,EAAQ,IAAA,EAAM,SAAA,EAAW;AAC3B,MAAA,MAAM,KAAA,GAAQ,OAAA,CAAQ,GAAA,CAAI,MAAA,EAAQ,IAAI,CAAA;AAEtC,MAAA,IAAI,OAAO,UAAU,UAAA,EAAY;AAC/B,QAAA,OAAO,KAAA;AAAA,MACT;AAEA,MAAA,IAAI,IAAA,KAAS,KAAA,IAAS,IAAA,KAAS,WAAA,EAAa;AAC1C,QAAA,OAAO,YAA4B,IAAA,EAAiB;AAClD,UAAA,MAAM,IAAA,GAAO,OAAA,CAAQ,KAAA,CAAM,KAAA,EAAO,QAAQ,IAAI,CAAA;AAE9C,UAAA,OAAO,2BAAA,CAA4B,MAAM,iBAAiB,CAAA;AAAA,QAC5D,CAAA;AAAA,MACF;AAEA,MAAA,IAAI,SAAS,cAAA,EAAgB;AAC3B,QAAA,OAAO,YAA4B,IAAA,EAAiB;AAClD,UAAA,MAAM,YAAA,GAAe,OAAA,CAAQ,KAAA,CAAM,KAAA,EAAO,QAAQ,IAAI,CAAA;AAEtD,UAAA,OAAO,gCAAA,CAAiC,cAAc,iBAAiB,CAAA;AAAA,QACzE,CAAA;AAAA,MACF;AAEA,MAAA,OAAO,KAAA,CAAM,KAAK,MAAM,CAAA;AAAA,IAC1B;AAAA,GACD,CAAA;AACH;AASA,SAAS,2BAAA,CAA4B,MAAyB,iBAAA,EAA+C;AAC3G,EAAA,OAAO,IAAI,MAAM,IAAA,EAAM;AAAA,IACrB,GAAA,CAAI,QAAQ,IAAA,EAAM;AAChB,MAAA,MAAM,KAAA,GAAQ,OAAA,CAAQ,GAAA,CAAI,MAAA,EAAQ,IAAI,CAAA;AAEtC,MAAA,IAAI,IAAA,KAAS,OAAA,IAAW,OAAO,KAAA,KAAU,UAAA,EAAY;AACnD,QAAA,OAAOA,mCAAA,CAAkB,IAAI,IAAA,KAAS,OAAA,CAAQ,MAAM,KAAA,EAAO,MAAA,EAAQ,IAAI,CAAC,CAAA;AAAA,MAC1E;AAEA,MAAA,IACE,iBAAA,IACA,OAAO,KAAA,KAAU,UAAA,IACjB,OAAO,IAAA,KAAS,QAAA,IAChB,CAAC,oBAAA,CAAqB,GAAA,CAAI,IAAI,CAAA,EAC9B;AACA,QAAA,OAAO,CAAA,GAAI,SAAoB,OAAA,CAAQ,KAAA,CAAM,OAAO,MAAA,EAAQC,qBAAA,CAAc,IAAI,CAAC,CAAA;AAAA,MACjF;AAEA,MAAA,OAAO,KAAA;AAAA,IACT;AAAA,GACD,CAAA;AACH;;;;;"}