fix: handle xhr responseText exception (#178)

Author: wrn14897

.changeset/spicy-cherries-reflect.md

@@ -0,0 +1,5 @@
+---
+'@hyperdx/otel-web': patch
+---
+
+fix: handle xhr responseText exception

packages/otel-web/src/HyperDXXMLHttpRequestInstrumentation.ts

@@ -66,7 +66,11 @@ export class HyperDXXMLHttpRequestInstrumentation extends XMLHttpRequestInstrume
                 span,
                 (header) => headers[header],
               );
-              span.setAttribute('http.response.body', xhr.responseText);
+              try {
+                span.setAttribute('http.response.body', xhr.responseText);
+              } catch (e) {
+                // ignore (DOMException if responseType is not the empty string or "text")
+              }
 
               shimmer.unwrap(xhr, 'setRequestHeader');
               shimmer.unwrap(xhr, 'send');