{"version":3,"file":"instrumentRateLimit.js","sources":["../../../../src/instrumentations/worker/instrumentRateLimit.ts"],"sourcesContent":["import type { RateLimit, RateLimitOptions, RateLimitOutcome } from '@cloudflare/workers-types';\nimport { SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN, startSpan } from '@sentry/core';\n\nconst ORIGIN = 'auto.faas.cloudflare.rate_limit';\n\n/**\n * Wraps a Cloudflare rate limiter binding to create a span on each `limit()` call.\n */\nexport function instrumentRateLimit<T extends RateLimit>(rateLimit: T, bindingName: string): T {\n  return new Proxy(rateLimit, {\n    get(target, prop, receiver) {\n      if (prop !== 'limit') {\n        return Reflect.get(target, prop, receiver);\n      }\n\n      const original = Reflect.get(target, prop, receiver) as RateLimit['limit'];\n\n      return function (this: unknown, options: RateLimitOptions): Promise<RateLimitOutcome> {\n        return startSpan(\n          {\n            name: `rate_limit ${bindingName}`,\n            attributes: {\n              [SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN]: ORIGIN,\n            },\n          },\n          () => Reflect.apply(original, target, [options]),\n        );\n      };\n    },\n  });\n}\n"],"names":[],"mappings":";;AAGA,MAAM,MAAA,GAAS,iCAAA;AAKR,SAAS,mBAAA,CAAyC,WAAc,WAAA,EAAwB;AAC7F,EAAA,OAAO,IAAI,MAAM,SAAA,EAAW;AAAA,IAC1B,GAAA,CAAI,MAAA,EAAQ,IAAA,EAAM,QAAA,EAAU;AAC1B,MAAA,IAAI,SAAS,OAAA,EAAS;AACpB,QAAA,OAAO,OAAA,CAAQ,GAAA,CAAI,MAAA,EAAQ,IAAA,EAAM,QAAQ,CAAA;AAAA,MAC3C;AAEA,MAAA,MAAM,QAAA,GAAW,OAAA,CAAQ,GAAA,CAAI,MAAA,EAAQ,MAAM,QAAQ,CAAA;AAEnD,MAAA,OAAO,SAAyB,OAAA,EAAsD;AACpF,QAAA,OAAO,SAAA;AAAA,UACL;AAAA,YACE,IAAA,EAAM,cAAc,WAAW,CAAA,CAAA;AAAA,YAC/B,UAAA,EAAY;AAAA,cACV,CAAC,gCAAgC,GAAG;AAAA;AACtC,WACF;AAAA,UACA,MAAM,OAAA,CAAQ,KAAA,CAAM,UAAU,MAAA,EAAQ,CAAC,OAAO,CAAC;AAAA,SACjD;AAAA,MACF,CAAA;AAAA,IACF;AAAA,GACD,CAAA;AACH;;;;"}