fix: `replaceButton` not a button.

noname/get/index.js

@@ -1659,6 +1659,11 @@ export class Get extends Uninstantable {
 		if (obj instanceof lib.element.Dialog) return 'dialog';
 		if (obj instanceof lib.element.GameEvent ||
 			obj instanceof lib.element.GameEventPromise) return 'event';
+		
+		if (typeof obj !== 'object' || obj === null) return;
+		
+		if (lib.experimental.symbol.itemType in obj)
+			return obj[lib.experimental.symbol.itemType]
 	}
 	static equipNum(card) {
 		if (get.type(card) == 'equip') {

noname/library/experimental/index.js

@@ -1,5 +1,8 @@
-import { Uninstantable } from "../../util/index.js";
-
-export class Experimental extends Uninstantable {
-	
-}
+import { Uninstantable } from "../../util/index.js";
+
+import { ExperimentalSymbol } from "./symbol.js";
+
+export class Experimental extends Uninstantable {
+	static symbol = ExperimentalSymbol
+	static symbols = ExperimentalSymbol
+}

noname/library/experimental/symbol.js

@@ -0,0 +1,5 @@
+import { Uninstantable } from "../../util/index.js";
+
+export class ExperimentalSymbol extends Uninstantable {
+	static itemType = Symbol('noname.experimental.itemType')
+}