Function flattenEvent

packages/telemetry/src/transport.ts:251–264

(event: EnrichedTelemetryEvent)

}

export function flattenEvent(event: EnrichedTelemetryEvent): Record<string, TelemetryPrimitive> {
  const out: Record<string, TelemetryPrimitive> = {};
  for (const [key, value] of Object.entries(event)) {
    if (key === 'properties') {
      flattenNested(out, 'property', value);
    } else if (key === 'context') {
      flattenNested(out, 'context', value);
    } else {
      assertPrimitive(key, value);
      out[key] = value;
    }
  }
  return out;
}

function flattenNested(target: Record<string, TelemetryPrimitive>, prefix: string, value: unknown) {
  if (value === null || typeof value !== 'object' || Array.isArray(value)) return;