fix(sdk-node): extract JaegerExporter creation to named static method

experimental/packages/opentelemetry-sdk-node/src/TracerProviderWithEnvExporter.ts

@@ -67,29 +67,28 @@ export class TracerProviderWithEnvExporters extends NodeTracerProvider {
     );
   }
 
+  private static configureJaeger() {
+    // The JaegerExporter does not support being required in bundled
+    // environments. By delaying the require statement to here, we only crash when
+    // the exporter is actually used in such an environment.
+    try {
+      // eslint-disable-next-line @typescript-eslint/no-var-requires
+      const { JaegerExporter } = require('@opentelemetry/exporter-jaeger');
+      return new JaegerExporter();
+    } catch (e) {
+      throw new Error(
+        `Could not instantiate JaegerExporter. This could be due to the JaegerExporter's lack of support for bundling. If possible, use @opentelemetry/exporter-trace-otlp-proto instead. Original Error: ${e}`
+      );
+    }
+  }
+
   protected static override _registeredExporters = new Map<
     string,
     () => SpanExporter
   >([
     ['otlp', () => this.configureOtlp()],
     ['zipkin', () => new ZipkinExporter()],
-    [
-      'jaeger',
-      () => {
-        // The JaegerExporter does not support being required in bundled
-        // environments. By delaying the require statement to here, we only crash when
-        // the exporter is actually used in such an environment.
-        try {
-          // eslint-disable-next-line @typescript-eslint/no-var-requires
-          const { JaegerExporter } = require('@opentelemetry/exporter-jaeger');
-          return new JaegerExporter();
-        } catch (e) {
-          throw new Error(
-            `Could not instantiate JaegerExporter. This could be due to the JaegerExporter's lack of support for bundling. If possible, use @opentelemetry/exporter-trace-otlp-proto instead. Original Error: ${e}`
-          );
-        }
-      },
-    ],
+    ['jaeger', () => this.configureJaeger()],
     ['console', () => new ConsoleSpanExporter()],
   ]);