refactor(logger): use expose to load bunyan

lib/expose.ts

@@ -30,5 +30,14 @@ export async function openpgp(): Promise<typeof import('openpgp')> {
  * return's sqlite
  */
 export async function sqlite(): Promise<typeof import('better-sqlite3')> {
+  // return default because it's cjs
   return (await import('better-sqlite3')).default;
 }
+
+/**
+ * return's bunyan
+ */
+export function bunyan(): typeof import('bunyan') {
+  // use `require` to allow opentelemetry instrumentation
+  return require('bunyan');
+}

lib/instrumentation/index.spec.ts

@@ -1,10 +1,10 @@
-import { createRequire } from 'node:module';
 import * as api from '@opentelemetry/api';
 import { ProxyTracerProvider } from '@opentelemetry/api';
 import {
   NodeTracerProvider,
   SimpleSpanProcessor,
 } from '@opentelemetry/sdk-trace-node';
+import { bunyan } from '../expose.ts';
 import { GetDatasourceReleasesSpanProcessor } from '../modules/datasource/span-processor.ts';
 import { GitOperationSpanProcessor } from '../util/git/span-processor.ts';
 import {
@@ -162,13 +162,11 @@ describe('instrumentation/index', () => {
       process.env.RENOVATE_TRACING_CONSOLE_EXPORTER = 'true';
       init();
 
-      const bunyan = createRequire(import.meta.url)(
-        'bunyan',
-      ) as typeof import('bunyan');
+      const mod = bunyan();
 
       // shimmer marks wrapped functions with __wrapped = true
       expect(
-        (bunyan.prototype as unknown as Record<string, unknown>)._emit,
+        (mod.prototype as unknown as Record<string, unknown>)._emit,
       ).toHaveProperty('__wrapped', true);
     });
   });

lib/logger/bunyan.ts

@@ -1,18 +1,12 @@
-import { createRequire } from 'node:module';
 import {
   isNonEmptyStringAndNotWhitespace,
   isString,
   isUndefined,
 } from '@sindresorhus/is';
 
-// Use createRequire so that @opentelemetry/instrumentation-bunyan can patch
-// bunyan via require-in-the-middle. A plain ESM `import` bypasses the hook.
-const bunyan = createRequire(import.meta.url)(
-  'bunyan',
-) as typeof import('bunyan');
-
 import fs from 'fs-extra';
 import upath from 'upath';
+import { bunyan } from '../expose.ts';
 import cmdSerializer from './cmd-serializer.ts';
 import configSerializer from './config-serializer.ts';
 import errSerializer from './err-serializer.ts';
@@ -87,7 +81,7 @@ function createLogFileStream(logFile: string): BunyanStream {
 }
 
 function serializedSanitizedLogger(streams: BunyanStream[]): BunyanLogger {
-  return bunyan.createLogger({
+  return bunyan().createLogger({
     name: 'renovate',
     serializers: {
       body: configSerializer,
@@ -144,7 +138,7 @@ export function validateLogLevel(
     return (logLevelToCheck as BunyanLogLevel) ?? defaultLevel;
   }
 
-  const logger = bunyan.createLogger({
+  const logger = bunyan().createLogger({
     name: 'renovate',
     streams: [
       {