Added note seqjson converter

src/utilities/sequence-editor/to-seq-json.ts

@@ -16,6 +16,7 @@ import type {
   Load,
   Metadata,
   Model,
+  Note,
   NumberArgument,
   RepeatArgument,
   Request,
@@ -144,6 +145,26 @@ function parseRequest(requestNode: SyntaxNode, text: string, commandDictionary:
   };
 }
 
+function parseNote(stepNode: SyntaxNode, text: string): Note {
+  const time = parseTime(stepNode, text);
+
+  const noteValueNode = stepNode.getChild('NoteValue');
+  const noteValue = noteValueNode ? unquoteUnescape(text.slice(noteValueNode.from, noteValueNode.to)) : 'UNKNOWN';
+
+  const description = parseDescription(stepNode, text);
+  const metadata = parseMetadata(stepNode, text);
+  const models = parseModel(stepNode, text);
+
+  return {
+    description,
+    metadata,
+    models,
+    string_arg: noteValue,
+    time,
+    type: 'note',
+  };
+}
+
 function parseGroundBlockEvent(stepNode: SyntaxNode, text: string): GroundBlock | GroundEvent {
   const time = parseTime(stepNode, text);
 
@@ -263,6 +284,8 @@ function parseStep(child: SyntaxNode, text: string, commandDictionary: CommandDi
     case 'GroundBlock':
     case 'GroundEvent':
       return parseGroundBlockEvent(child, text);
+    case 'Note':
+      return parseNote(child, text);
   }
   // Standalone comment nodes (not descriptions of steps), are not supported in the seq.json schema
   // Until a schema change is coordinated, comments will dropped while writing out seq.json.