fix: Add perfomance from perf_hooks (Node v8.5.0+) (#251)

* fix: add import perfomance from perf_hooks (Node v8.5.0+) * only take perf measurements when we know we need them (#252) Co-authored-by: Vladimir Berezovsky <[email protected]> Co-authored-by: Rick Harris <[email protected]>
goabstract · Apr 20, 2020 · 6773642 · 6773642
1 parent a937bf1
commit 6773642
Showing 1 changed file with 11 additions and 4 deletions.
diff --git a/src/endpoints/Endpoint.js b/src/endpoints/Endpoint.js
@@ -56,12 +56,19 @@ export default class Endpoint {
           if (!request) {
             throw new EndpointUndefinedError(mode);
           }
-          const start = performance.now();
+
+          let start: number;
+          const { _analyticsCallback } = this.client;
+          if (performance && _analyticsCallback) {
+            start = performance.now();
+          }
+
           const operation = request.call(this);
           response = await operation;
-          const end = performance.now();
-          if (this.client._analyticsCallback) {
-            this.client._analyticsCallback({
+
+          if (start && performance && _analyticsCallback) {
+            const end = performance.now();
+            _analyticsCallback({
               duration: end - start,
               endpoint: this.name,
               request: requestName,