add entrypoints

Author: AbhiPrasad

packages/tracing/package.json

@@ -12,6 +12,18 @@
   "main": "build/npm/cjs/index.js",
   "module": "build/npm/esm/index.js",
   "types": "build/npm/types/index.d.ts",
+  "exports": {
+    "./node": {
+      "import": "./build/npm/esm/node/index.js",
+      "require": "./build/npm/cjs/node/index.js",
+      "types": "./build/npm/types/node/index.d.ts"
+    },
+    "./browser": {
+      "import": "./build/npm/esm/browser/index.js",
+      "require": "./build/npm/cjs/browser/index.js",
+      "types": "./build/npm/types/browser/index.d.ts"
+    }
+  },
   "publishConfig": {
     "access": "public"
   },

packages/tracing/rollup.npm.config.js

@@ -2,6 +2,7 @@ import { makeBaseNPMConfig, makeNPMConfigVariants } from '../../rollup/index.js'
 
 export default makeNPMConfigVariants(
   makeBaseNPMConfig({
+    entrypoints: ['src/browser/index.ts', 'src/node/index.ts', 'src/index.ts'],
     // packages with bundles have a different build directory structure
     hasBundles: true,
   }),