chore: fix the imports

Author: sp6370

examples/express/src/tracer.ts

@@ -2,7 +2,7 @@
 
 import { SpanKind, Attributes } from "@opentelemetry/api";
 
-const opentelemetry = require('@opentelemetry/api');
+import opentelemetry = require('@opentelemetry/api');
 
 // Not functionally required but gives some insight what happens behind the scenes
 const { diag, DiagConsoleLogger, DiagLogLevel } = opentelemetry;
@@ -13,25 +13,25 @@ import { NodeTracerProvider } from '@opentelemetry/sdk-trace-node';
 import { Sampler, AlwaysOnSampler, SimpleSpanProcessor } from '@opentelemetry/sdk-trace-base';
 import { OTLPTraceExporter } from '@opentelemetry/exporter-trace-otlp-proto';
 import { Resource } from '@opentelemetry/resources';
-import { SEMRESATTRS_SERVICE_NAME, SEMATTRS_HTTP_ROUTE } from '@opentelemetry/semantic-conventions';
+import { ATTR_SERVICE_NAME, ATTR_HTTP_ROUTE } from '@opentelemetry/semantic-conventions';
 
 const Exporter = OTLPTraceExporter;
 import { ExpressInstrumentation } from '@opentelemetry/instrumentation-express';
-const { HttpInstrumentation } = require('@opentelemetry/instrumentation-http');
+import {HttpInstrumentation} from '@opentelemetry/instrumentation-http';
 
 export const setupTracing = (serviceName: string) => {
   const provider = new NodeTracerProvider({
     resource: new Resource({
-      [SEMRESATTRS_SERVICE_NAME]: serviceName,
+      [ATTR_SERVICE_NAME]: serviceName,
     }),
     sampler: filterSampler(ignoreHealthCheck, new AlwaysOnSampler()),
   });
   registerInstrumentations({
     tracerProvider: provider,
     instrumentations: [
       // Express instrumentation expects HTTP layer to be instrumented
-      HttpInstrumentation,
-      ExpressInstrumentation,
+      new HttpInstrumentation(),
+      new ExpressInstrumentation(),
     ],
   });
 
@@ -62,5 +62,5 @@ function filterSampler(filterFn: FilterFunction, parent: Sampler): Sampler {
 }
 
 function ignoreHealthCheck(spanName: string, spanKind: SpanKind, attributes: Attributes) {
-  return spanKind !== opentelemetry.SpanKind.SERVER || attributes[SEMATTRS_HTTP_ROUTE] !== "/health";
+  return spanKind !== opentelemetry.SpanKind.SERVER || attributes[ATTR_HTTP_ROUTE] !== "/health";
 }