From b8835a07e2ab5dad1da238b93c0e45dc60bafd0b Mon Sep 17 00:00:00 2001
From: Zef Hemel <zef@zef.me>
Date: Sun, 26 Jan 2025 08:07:10 +0100
Subject: [PATCH] Lua truthiness fixes

---
 common/space_lua/runtime.ts | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/common/space_lua/runtime.ts b/common/space_lua/runtime.ts
index b7214607..86a902d7 100644
--- a/common/space_lua/runtime.ts
+++ b/common/space_lua/runtime.ts
@@ -315,9 +315,12 @@ export class LuaTable implements ILuaSettable, ILuaGettable {
     return this.arrayPart.length;
   }
 
-  hasKeys(): boolean {
-    return !!(Object.keys(this.stringKeys).length > 0 ||
-      this.arrayPart.length > 0 || (this.otherKeys && this.otherKeys.size > 0));
+  empty(): boolean {
+    return (
+      Object.keys(this.stringKeys).length === 0 &&
+      this.arrayPart.length === 0 &&
+      (this.otherKeys === null || this.otherKeys.size === 0)
+    );
   }
 
   keys(): any[] {
@@ -700,7 +703,10 @@ export function luaTruthy(value: any): boolean {
     return false;
   }
   if (value instanceof LuaTable) {
-    return value.hasKeys();
+    return value.empty();
+  }
+  if (value instanceof LuaMultiRes) {
+    return value.values.length > 0;
   }
   return true;
 }