Apply suggestions from code review

Co-authored-by: Dmitry Maslennikov <mrdaimor@gmail.com>

Author: ty-d

src/explorer/models/rootNode.ts

@@ -115,7 +115,9 @@ export class RootNode extends NodeBase {
         })
         .map((el) => {
           switch (el.Type) {
+            case "5":
             case "9":
+            case "100":
               return new PackageNode(el.Name, el.fullName, category, this.options);
             case "4":
               return new ClassNode(el.Name, el.fullName, this.options);
@@ -125,12 +127,8 @@ export class RootNode extends NodeBase {
             case "3":
             case "11":
               return new RoutineNode(el.Name, el.fullName, this.options);
-            case "100":
-              return new ClassNode(el.Name, el.fullName, this.options);
             case "10":
               return new RootNode(el.Name, el.fullName, "dataNode:CSPApplication", this._category, this.options, true);
-            case "5":
-              return new ClassNode(el.Name, el.fullName, this.options);
             default:
               return null;
           }

src/utils/index.ts

@@ -53,7 +53,7 @@ export function currentFile(document?: vscode.TextDocument): CurrentFile {
     if (match) {
       [, name, ext = "cls"] = match;
     }
-  } else if (fileExt === "mac" || fileExt === "int" || fileExt === "inc") {
+  } else if (fileExt.match(/(mac|int|inc)/i)) {
     const match = content.match(/^ROUTINE ([^\s]+)(?:\s*\[\s*Type\s*=\s*\b([a-z]{3})\b)?/i);
     if (match) {
       [, name, ext = "mac"] = match;