feat(LN): add describe Log

Author: JakobVogelsang

describe/LN.spec.ts

@@ -14,6 +14,8 @@ const scl = new DOMParser().parseFromString(
                             <Val>on</Val>
                         </DAI>
                     </DOI>
+                    <Log name="someLog" />
+                    <Log name="someOtherLog" />
                     <Inputs>
                       <ExtRef intAddr="Beh.t" pLN="LLN0" pDO="Beh" pDA="t" pServT="GOOSE" />
                     </Inputs>
@@ -55,6 +57,8 @@ const scl = new DOMParser().parseFromString(
               </LDevice>
               <LDevice inst="lDevice2">
                 <LN0 lnClass="LLN0" inst="" lnType="LLN02" >
+                  <Log name="someOtherLog" />
+                  <Log name="someLog" />
                   <Inputs>
                     <ExtRef intAddr="Beh.t" pLN="LLN0" pDO="Beh" pDA="t" pServT="GOOSE" />
                   </Inputs>

describe/LN.ts

@@ -20,6 +20,7 @@ import { describeVal, compareBySGroup } from "./Val.js";
 export interface LNDescription extends NamingDescription {
   reports: Record<string, ReportControlDescription>;
   logControls: Record<string, LogControlDescription>;
+  logs: Record<string, NamingDescription>;
   inputs?: InputsDescription;
   lnType: LNodeTypeDescription;
 }
@@ -90,6 +91,21 @@ function logControls(element: Element): Record<string, LogControlDescription> {
   >;
 }
 
+function logs(element: Element): Record<string, NamingDescription> {
+  const unsortedLogs: Record<string, NamingDescription> = {};
+
+  Array.from(element.children)
+    .filter((child) => child.tagName === "Log")
+    .forEach((log) => {
+      const name = log.getAttribute("name");
+      const logDescription = describeNaming(log);
+      if (name && !unsortedLogs[name] && logDescription)
+        unsortedLogs[name] = logDescription;
+    });
+
+  return sortRecord(unsortedLogs);
+}
+
 /** Returns leaf data attribute (BDA or DA) from
  * LNodeTypeDescription containing vals
  * @param path - parent DOI/SDI/DAI name attributes
@@ -160,6 +176,7 @@ export function LN(element: Element): LNDescription | undefined {
     ...describeNaming(element),
     reports: reportControls(element),
     logControls: logControls(element),
+    logs: logs(element),
     lnType,
   };