make getModulePath ignore reflect metadata module (#150)

* make getModulePath ignore reflect metadata module

* add comment clarifying need

Author: benjibuiltit

packages/autometrics/src/utils.ts

@@ -92,10 +92,15 @@ function getWrappedFunctionPath(): string | undefined {
       return (
         index > 2 &&
         file &&
+        // Ignore autometrics internals
         !file.includes("autometrics/index.cjs") &&
         !file.includes("autometrics/index.mjs") &&
         !file.includes("wrappers.ts") &&
-        !file.includes("wrappers.js")
+        !file.includes("wrappers.js") &&
+        // Ignore reflect-metadata - often used by IOC libraries for runtime dependency injection
+        // Without this, instrumented functions will be attributed to this module rather than
+        // the module the function truly belongs to
+        !file.includes("reflect-metadata")
       );
     });
     return call?.file;