Doc for the port address enhancer.

Signed-off-by: Akos Kitta <[email protected]>

Author: Akos Kitta

arduino-ide-extension/src/node/board-discovery.ts

@@ -389,7 +389,11 @@ export function maybeEnhancePortAddress(
   return detectedPort;
 }
 
-const PortAddressEnhancers = [enhanceESP32_S2];
+/**
+ * Must return with `undefined` if the `arg` cannot be enhanced.
+ */
+type PortAddressEnhancer = (arg: DetectedPort) => DetectedPort | undefined;
+const PortAddressEnhancers: PortAddressEnhancer[] = [enhanceESP32_S2];
 
 function enhanceESP32_S2(detectedPort: DetectedPort): DetectedPort | undefined {
   if (DetectedPort.isUnrecognizedNetwork(detectedPort)) {