add server side fetching

src/lib/launcherSearchParams.ts

@@ -0,0 +1,43 @@
+import type { LauncherListQuery } from "@server/routers/launcher/types";
+
+export type LauncherQueryFilters = {
+    query?: string;
+    groupBy?: LauncherListQuery["groupBy"];
+    groupKey?: string;
+    siteIds?: number[];
+    labelIds?: number[];
+    sort_by?: LauncherListQuery["sort_by"];
+    order?: LauncherListQuery["order"];
+    pageSize?: number;
+};
+
+export function buildLauncherSearchParams(
+    filters: LauncherQueryFilters,
+    page: number
+) {
+    const sp = new URLSearchParams();
+    sp.set("page", String(page));
+    sp.set("pageSize", String(filters.pageSize ?? 20));
+    if (filters.query) {
+        sp.set("query", filters.query);
+    }
+    if (filters.groupBy) {
+        sp.set("groupBy", filters.groupBy);
+    }
+    if (filters.groupKey) {
+        sp.set("groupKey", filters.groupKey);
+    }
+    if (filters.siteIds?.length) {
+        sp.set("siteIds", filters.siteIds.join(","));
+    }
+    if (filters.labelIds?.length) {
+        sp.set("labelIds", filters.labelIds.join(","));
+    }
+    if (filters.sort_by) {
+        sp.set("sort_by", filters.sort_by);
+    }
+    if (filters.order) {
+        sp.set("order", filters.order);
+    }
+    return sp;
+}