Use tsdown for building the library

library/agent/hooks/onInspectionInterceptorResult.ts

@@ -1,5 +1,3 @@
-/* eslint-disable max-lines-per-function */
-import { resolve } from "path";
 import { cleanupStackTrace } from "../../helpers/cleanupStackTrace";
 import { escapeHTML } from "../../helpers/escapeHTML";
 import type { Agent } from "../Agent";
@@ -13,9 +11,10 @@ import {
 } from "./InterceptorResult";
 import type { PartialWrapPackageInfo } from "./WrapPackageInfo";
 import { cleanError } from "../../helpers/cleanError";
+import { getLibraryRoot } from "../../helpers/getLibraryRoot";
 
 // Used for cleaning up the stack trace
-const libraryRoot = resolve(__dirname, "../..");
+const libraryRoot = getLibraryRoot();
 
 export function onInspectionInterceptorResult(
   context: ReturnType<typeof getContext>,

library/helpers/getAgentVersion.ts

@@ -1,8 +1,9 @@
-import { resolve } from "path";
+import { join } from "path";
+import { getLibraryRoot } from "./getLibraryRoot";
 
 export function getAgentVersion(): string {
   try {
-    const json = require(resolve(__dirname, "../package.json"));
+    const json = require(join(getLibraryRoot(), "package.json"));
 
     /* c8 ignore start */
     if (!json.version) {

library/helpers/getLibraryRoot.ts

@@ -1,6 +1,8 @@
-import { resolve } from "path";
+import { sep, resolve } from "path";
 
-const libraryRoot = resolve(__dirname, "..");
+const isBundled = !__filename.includes(`${sep}helpers${sep}getLibraryRoot`);
+
+const libraryRoot = resolve(__dirname, isBundled ? "." : "..");
 
 export function getLibraryRoot(): string {
   return libraryRoot;

library/helpers/isLibBundled.ts

@@ -1,10 +1,9 @@
+import { sep } from "path";
+
 // Detect at runtime if the library is bundled inside an application
 export function isLibBundled(): boolean {
-  // Replace Windows backslashes with forward slashes
-  const normalizedDirName = __dirname.replace(/\\/g, "/");
-
   return (
-    !normalizedDirName.includes("node_modules/@aikidosec/firewall/helpers") &&
-    !normalizedDirName.includes("/build/helpers") // In case of e2e tests
+    !__dirname.includes(`node_modules${sep}@aikidosec${sep}firewall`) &&
+    !__dirname.includes(`firewall-node${sep}build`) // In case of e2e tests
   );
 }