fix autocompletion for gamelib with adapter

src/gamelib.js

@@ -134,7 +134,7 @@ export class Gamelib {
     }
 }
 
-class GamelibAdapter {
+export class GamelibAdapter {
     MouseButton = {
         Left: 0,
         Right: 1,

src/gamelib_completer.js

@@ -1,4 +1,4 @@
-import { Gamelib } from "./gamelib.js";
+import { GamelibAdapter } from "./gamelib.js";
 
 export class GamelibCompleter {
     getCompletions(_editor, session, pos, _prefix, callback) {
@@ -9,21 +9,24 @@ export class GamelibCompleter {
             return;
         }
 
-        const functions = Object.getOwnPropertyNames(Gamelib.prototype);
+        const functions = Object.getOwnPropertyNames(GamelibAdapter.prototype);
 
         const wordList = functions
             .filter((func) => func !== "constructor")
             .map((func) => {
-                const definition = Gamelib.prototype[func].toString();
+                const getter = GamelibAdapter.prototype.__lookupGetter__(func);
+
+                const definition = getter?.name ?? GamelibAdapter.prototype[func].toString();
+
                 const signature = definition.slice(0, definition.indexOf(")") + 1);
 
                 return {
                     name: func,
                     value: func,
-                    snippet: func + "($0)",
+                    snippet: func + (getter ? "" : "($0)"),
                     caption: func,
                     score: 0,
-                    meta: "function",
+                    meta: getter ? "property" : "function",
                     docHTML: signature,
                 };
             });