fix detection

Author: timfish

packages/node-core/src/utils/detection.ts

@@ -1,4 +1,3 @@
-import * as moduleModule from 'node:module';
 import { consoleSandbox } from '@sentry/core';
 
 /** Detect CommonJS. */
@@ -10,40 +9,31 @@ export function isCjs(): boolean {
   }
 }
 
-/**
- * Check if the current Node.js version supports module.register
- */
-export function supportsEsmLoaderHooks(): boolean {
-  logIfUnsupportedNodeVersion();
-
-  return 'register' in moduleModule;
-}
-
 let hasWarnedAboutNodeVersion: boolean | undefined;
 
 /**
- * Log a warning if the current Node.js version is not supported in ESM mode
+ * Check if the current Node.js version supports module.register
  */
-function logIfUnsupportedNodeVersion(): void {
-  if (hasWarnedAboutNodeVersion) {
-    return;
-  }
-
+export function supportsEsmLoaderHooks(): boolean {
   if (isCjs()) {
-    return;
+    return false;
   }
 
   const [nodeMajor = 0, nodeMinor = 0] = process.versions.node.split('.').map(Number);
   if (nodeMajor >= 21 || (nodeMajor === 20 && nodeMinor >= 6) || (nodeMajor === 18 && nodeMinor >= 19)) {
-    return;
+    return true;
   }
 
-  hasWarnedAboutNodeVersion = true;
+  if (!hasWarnedAboutNodeVersion) {
+    hasWarnedAboutNodeVersion = true;
+
+    consoleSandbox(() => {
+      // eslint-disable-next-line no-console
+      console.warn(
+        `[Sentry] You are using Node.js v${process.versions.node} in ESM mode ("import syntax"). The Sentry Node.js SDK is not compatible with ESM in Node.js versions before 18.19.0 or before 20.6.0. Please either build your application with CommonJS ("require() syntax"), or upgrade your Node.js version.`,
+      );
+    });
+  }
 
-  consoleSandbox(() => {
-    // eslint-disable-next-line no-console
-    console.warn(
-      `[Sentry] You are using Node.js v${process.versions.node} in ESM mode ("import syntax"). The Sentry Node.js SDK is not compatible with ESM in Node.js versions before 18.19.0 or before 20.6.0. Please either build your application with CommonJS ("require() syntax"), or upgrade your Node.js version.`,
-    );
-  });
+  return false;
 }