From ddba23f32361782fb26489a718ef82afc6beb2bc Mon Sep 17 00:00:00 2001
From: gnuxie <Gnuxie@protonmail.com>
Date: Fri, 10 Feb 2023 19:13:37 +0000
Subject: [PATCH] Interning a sub-command would overwrite the parent command.

---
 src/commands/interface-manager/InterfaceCommand.ts | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/commands/interface-manager/InterfaceCommand.ts b/src/commands/interface-manager/InterfaceCommand.ts
index 6c214272..732b1407 100644
--- a/src/commands/interface-manager/InterfaceCommand.ts
+++ b/src/commands/interface-manager/InterfaceCommand.ts
@@ -91,8 +91,9 @@ export class CommandTable<ExecutorType extends BaseFunction> {
                 if (table.next === undefined) {
                     table.next = new Map();
                 }
-                const nextLookupEntry = {};
-                table.next!.set(designator.shift()!, nextLookupEntry);
+                const currentDesignator = designator.shift()!;
+                const nextLookupEntry = table.next.get(currentDesignator)
+                    ?? ((lookup: CommandLookupEntry<ExecutorType>) => (table.next?.set(currentDesignator, lookup), lookup))({});
                 internCommandHelper(nextLookupEntry, designator);
             }
         }