Try polyfilling nodejs util

Author: andreiborza

packages/vercel-edge/package.json

@@ -40,14 +40,14 @@
   },
   "dependencies": {
     "@opentelemetry/api": "^1.9.0",
-    "@opentelemetry/core": "^2.0.0",
     "@opentelemetry/resources": "^2.0.0",
-    "@opentelemetry/semantic-conventions": "^1.34.0",
     "@sentry/core": "9.38.0"
   },
   "devDependencies": {
     "@edge-runtime/types": "3.0.1",
+    "@opentelemetry/core": "^2.0.0",
     "@opentelemetry/sdk-trace-base": "^2.0.0",
+    "@opentelemetry/semantic-conventions": "^1.34.0",
     "@sentry/opentelemetry": "9.38.0"
   },
   "scripts": {

packages/vercel-edge/rollup.npm.config.mjs

@@ -4,7 +4,7 @@ import { makeBaseNPMConfig, makeNPMConfigVariants, plugins } from '@sentry-inter
 export default makeNPMConfigVariants(
   makeBaseNPMConfig({
     entrypoints: ['src/index.ts'],
-    bundledBuiltins: ['perf_hooks'],
+    bundledBuiltins: ['perf_hooks', 'util'],
     packageSpecificConfig: {
       context: 'globalThis',
       output: {
@@ -21,9 +21,10 @@ export default makeNPMConfigVariants(
         }),
         {
           // This plugin is needed because otel imports `performance` from `perf_hooks` and also uses it via the `performance` global.
+          // It also imports `inspect` and `promisify` from node's `util` which are not available in the edge runtime so we need to define a polyfill.
           // Both of these APIs are not available in the edge runtime so we need to define a polyfill.
           // Vercel does something similar in the `@vercel/otel` package: https://github.com/vercel/otel/blob/087601ae585cb116bb2b46c211d014520de76c71/packages/otel/build.ts#L62
-          name: 'perf-hooks-performance-polyfill',
+          name: 'edge-runtime-polyfills',
           banner: `
             {
               if (globalThis.performance === undefined) {
@@ -37,6 +38,8 @@ export default makeNPMConfigVariants(
           resolveId: source => {
             if (source === 'perf_hooks') {
               return '\0perf_hooks_sentry_shim';
+            } else if (source === 'util') {
+              return '\0util_sentry_shim';
             } else {
               return null;
             }
@@ -49,6 +52,22 @@ export default makeNPMConfigVariants(
                   now: () => Date.now()
                 }
               `;
+            } else if (id === '\0util_sentry_shim') {
+              return `
+                export const inspect = (object) =>
+                  JSON.stringify(object, null, 2);
+
+                export const promisify = (fn) => {
+                  return (...args) => {
+                    return new Promise((resolve, reject) => {
+                      fn(...args, (err, result) => {
+                        if (err) reject(err);
+                        else resolve(result);
+                      });
+                    });
+                  };
+                };
+              `;
             } else {
               return null;
             }