fix: backwards compatibility

Author: GODrums

src/lib/components/inventory/inventory_item_holder_metadata.ts

@@ -2,6 +2,7 @@ import {CustomElement, InjectAppend, InjectionMode} from '../injectors';
 import {rgAsset} from '../../types/steam';
 import {ItemHolderMetadata} from '../common/item_holder_metadata';
 import {ContextId} from '../../types/steam_constants';
+import { isCAppwideInventory } from '../../utils/checkers';
 
 @CustomElement()
 @InjectAppend(
@@ -12,9 +13,15 @@ export class InventoryItemHolderMetadata extends ItemHolderMetadata {
     get asset(): rgAsset | undefined {
         if (!this.assetId) return;
 
-        const contextId = this.isTradeProtected ? ContextId.PROTECTED : ContextId.PRIMARY;
+        if (!g_ActiveInventory) return;
 
-        return g_ActiveInventory?.m_rgChildInventories[contextId]?.m_rgAssets[this.assetId]?.description;
+        if (isCAppwideInventory(g_ActiveInventory)) {
+            const contextId = this.isTradeProtected ? ContextId.PROTECTED : ContextId.PRIMARY;
+
+            return g_ActiveInventory.m_rgChildInventories[contextId]?.m_rgAssets[this.assetId]?.description;
+        } else {
+            return g_ActiveInventory.m_rgAssets[this.assetId]?.description;
+        }
     }
 
     get ownerSteamId(): string | undefined {

src/lib/types/steam.d.ts

@@ -238,7 +238,7 @@ declare global {
     const g_rgListingInfo: {[listingId: string]: ListingData};
     const g_rgWalletInfo: WalletInfo | undefined; // Not populated when user is signed-out
     const g_rgAssets: SteamAssets;
-    const g_ActiveInventory: CAppwideInventory | undefined; // Only populated on Steam inventory pages
+    const g_ActiveInventory: CAppwideInventory | CInventory | undefined; // Only populated on Steam inventory pages
     const g_steamID: string;
     const g_oSearchResults: CAjaxPagingControls;
     const BuyItemDialog: BuyItemDialog | undefined; // Only populated on Steam Market pages

src/lib/utils/checkers.ts

@@ -1,3 +1,9 @@
+import { CInventory, CAppwideInventory } from '../types/steam';
+
 export function defined(t: string): boolean {
     return t !== 'undefined';
 }
+
+export function isCAppwideInventory(inventory: CInventory | CAppwideInventory): inventory is CAppwideInventory {
+    return 'm_rgChildInventories' in inventory;
+}