Do as Lukas told you

cleptric · cleptric · commit 639406149aa4 · 2024-02-08T15:14:40.000+01:00
diff --git a/packages/core/src/metrics/metric-summary.ts b/packages/core/src/metrics/metric-summary.ts
@@ -29,7 +29,7 @@ export function getMetricSummaryJsonForSpan(span: Span): Record<string, Array<Me
   const output: Record<string, Array<MetricSummary>> = {};
 
   for (const [, [exportKey, summary]] of storage) {
-    output[exportKey].push(dropUndefinedKeys(summary));
+    output[exportKey] = [...(output[exportKey] || []), dropUndefinedKeys(summary)];
   }
 
   return output;

Original file line number	Diff line number	Diff line change
`@@ -29,7 +29,7 @@ export function getMetricSummaryJsonForSpan(span: Span): Record<string, Array<Me`
`29`	`29`	`const output: Record<string, Array<MetricSummary>> = {};`
`30`	`30`
`31`	`31`	`for (const [, [exportKey, summary]] of storage) {`
`32`		`- output[exportKey].push(dropUndefinedKeys(summary));`
	`32`	`+ output[exportKey] = [...(output[exportKey] \|\| []), dropUndefinedKeys(summary)];`
`33`	`33`	`}`
`34`	`34`
`35`	`35`	`return output;`