Add link to download demo on wishlists

src/js/Content/Features/Store/Wishlist/CWishlist.js

@@ -12,6 +12,7 @@ import FExportWishlist from "./FExportWishlist";
 import FKeepEditableRanking from "./FKeepEditableRanking";
 import FOneClickRemoveFromWishlist from "./FOneClickRemoveFromWishlist";
 import FWishlistProfileLink from "./FWishlistProfileLink";
+import FWishlistDemoLink from "./FWishlistDemoLink";
 
 export class CWishlist extends CStoreBase {
 
@@ -37,6 +38,7 @@ export class CWishlist extends CStoreBase {
             FKeepEditableRanking,
             FOneClickRemoveFromWishlist,
             FWishlistProfileLink,
+            FWishlistDemoLink,
         ]);
 
         this.wishlistData = wishlistData;

src/js/Content/Features/Store/Wishlist/FWishlistDemoLink.js

@@ -0,0 +1,42 @@
+import {Localization} from "../../../../modulesCore";
+import {CallbackFeature, RequestData} from "../../../modulesContent";
+
+export default class FWishlistDemoLink extends CallbackFeature {
+
+    async checkPrerequisites() {
+
+        this._info = [];
+
+        const appids = this.context.wishlistData.map(({appid}) => `appids[]=${appid}`);
+
+        // https://stackoverflow.com/questions/8495687/split-array-into-chunks
+        const chunkSize = 400; // Split params into chunks as Steam may throw `HTTP 414 Request-URI Too Large`
+
+        for (let i = 0; i < appids.length; i += chunkSize) {
+            const params = appids.slice(i, i + chunkSize).join("&");
+
+            const data = await RequestData.getJson(`https://store.steampowered.com/saleaction/ajaxgetdemoevents?${params}`).catch(err => console.error(err));
+            if (!data || !data.success || !data.info) { continue; }
+
+            this._info = this._info.concat(data.info.filter(val => Boolean(val.demo_appid)));
+        }
+
+        return this._info.length > 0;
+    }
+
+    callback(nodes) {
+
+        for (const node of nodes) {
+
+            const rowAppid = Number(node.dataset.appId);
+            const demoAppid = this._info.find(({appid}) => appid === rowAppid)?.demo_appid;
+            if (typeof demoAppid === "undefined") { continue; }
+
+            const link = document.createElement("a");
+            link.href = `steam://install/${demoAppid}`;
+            link.textContent = Localization.str.download_demo;
+            link.classList.add("earlyaccess");
+            node.querySelector(".platform_icons").prepend(link);
+        }
+    }
+}

src/localization/en.json

@@ -8,6 +8,7 @@
         "continue": "Yes, continue shopping"
     },
     "download_demo_header": "Download __gamename__ Demo",
+    "download_demo": "Download Demo",
     "deck_compat": {
         "header": "Steam Deck Compatibility",
         "unknown": "Unknown",