fix(web): support amplify (#11)

epsagon · Jul 11, 2021 · 5e426d6 · 5e426d6
1 parent fa190e0
commit 5e426d6
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Showing 3 changed files with 10 additions and 4 deletions.
diff --git a/README.md b/README.md
@@ -25,7 +25,7 @@ This package provides tracing to front end of web applications for the collectio
 
 To install Epsagon, simply run:
 ```sh
-npm install @epsagon/react
+npm install @epsagon/react --save
 ```
 
 ## Usage

diff --git a/packages/web/src/exporter.js b/packages/web/src/exporter.js
@@ -143,15 +143,17 @@ class EpsagonExporter extends CollectorTraceExporter {
       const spanErrs = [];
       const finalSpans = [];
       spansList[rootSpan.doc.position].spans.map((span) => {
-        if (!spanErrs.includes(span.attributes[0].value.stringValue)) {
+        if (span.name === 'error' && !spanErrs.includes(span.attributes[0].value.stringValue)) {
           const errAttr = span.attributes.filter((attr) => attr.key === 'message');
-          spanErrs.push(errAttr[0].value.stringValue);
+          const spanStringError = errAttr && errAttr.length ? errAttr[0].value.stringValue : 'exception'
+
+          spanErrs.push(spanStringError);
           const attributesLength = this.addFinalGenericSpanAttrs(span.attributes, span.attributes.length, span);
           span.name = window.location.pathname;
           span.events.unshift({
             name: 'exception',
             attributes: [
-              { key: 'exception.message', value: { stringValue: errAttr[0].value.stringValue } },
+              { key: 'exception.message', value: { stringValue: spanStringError } },
             ],
           });
           finalSpans.push(span);

diff --git a/packages/web/src/instrumentation/fetchInstrumentation.js b/packages/web/src/instrumentation/fetchInstrumentation.js
@@ -103,6 +103,10 @@ class EpsagonFetchInstrumentation extends FetchInstrumentation {
           plugin._tasksCount++;
           return original
             .apply(this, [url, options])
+            .catch(ex => {
+              console.log(ex)
+              console.log(JSON.stringify(ex))
+            })
             .then(onSuccess.bind(this, createdSpan, resolve), onError.bind(this, createdSpan, reject));
         }));
       };