trying with set and calling the function

NodeApp/src/commander/CommanderApp.ts

@@ -44,7 +44,8 @@ class CommanderApp {
 
         this.registerCommands();
 
-        AutoCompletionHelper.getCommands(this.program)
+        AutoCompletionHelper.buildTree(this.program)
+        // AutoCompletionHelper.getCommands(this.program)
 
         this.program.parse();
     }

NodeApp/src/helpers/AutoCompletionHelper.ts

-import { Options } from 'boxen';
 import { Command } from 'commander';
 
 // #/usr/bin/env bash
@@ -163,6 +162,7 @@ class AutoCompletionHelper {
         let tree = new Tree(root.name(), root.commands.map((sc) => this.getSubTree(sc, root)))
         this.printTree(tree, 0)
         console.log(this.flatten(tree))
+        console.log(new Set(this.flatten(tree)))
         console.log(this.search(tree, [], "login"))
         return tree
     }