restore unrelated file

Author: Lms24

packages/core/src/metrics/internal.ts

@@ -14,6 +14,50 @@ import { createMetricEnvelope } from './envelope';
 
 const MAX_METRIC_BUFFER_SIZE = 1000;
 
+/**
+ * Converts a metric attribute to a serialized metric attribute.
+ *
+ * @param value - The value of the metric attribute.
+ * @returns The serialized metric attribute.
+ */
+export function metricAttributeToSerializedMetricAttribute(value: unknown): SerializedMetricAttributeValue {
+  switch (typeof value) {
+    case 'number':
+      if (Number.isInteger(value)) {
+        return {
+          value,
+          type: 'integer',
+        };
+      }
+      return {
+        value,
+        type: 'double',
+      };
+    case 'boolean':
+      return {
+        value,
+        type: 'boolean',
+      };
+    case 'string':
+      return {
+        value,
+        type: 'string',
+      };
+    default: {
+      let stringValue = '';
+      try {
+        stringValue = JSON.stringify(value) ?? '';
+      } catch {
+        // Do nothing
+      }
+      return {
+        value: stringValue,
+        type: 'string',
+      };
+    }
+  }
+}
+
 /**
  * Sets a metric attribute if the value exists and the attribute key is not already present.
  *