Dummy Data & LocalStorage in layout.ts Load function

src/routes/graphs/+layout.ts

@@ -0,0 +1,76 @@
+import type { PageLoad } from "../$types";
+import ChellarisDataStore from '$lib/stores/ChellarisData';
+import SelectedGameStore from '$lib/stores/GameFilter';
+import type { ChellarisInfo, ChellarisGame, ChellarisGameGroup } from '../../lib/types/chellaris';
+import SelectedGameGroupsStore from "$lib/stores/GameGroupFilter";
+
+export const load: PageLoad = async () => {
+  // Chellaris Data Code
+  // Game Dummy Data
+  const dummyData: ChellarisInfo = {
+    games: new Map<string, ChellarisGame>(),
+    ethics: [],
+    portraits: []
+  }
+
+  dummyData.games.set("1", {
+    name: "Game 16", 
+    groups: new Map<string, ChellarisGameGroup>(),
+    empires: [],
+  });
+
+  dummyData.games.set("2", {
+    name: "Game 17", 
+    groups: new Map<string, ChellarisGameGroup>(),
+    empires: [],
+  });
+
+  // Group Dummy Data
+  dummyData.games.get("1")?.groups.set("1", {name: "A"});
+  dummyData.games.get("1")?.groups.set("2", {name: "B"});
+  dummyData.games.get("1")?.groups.set("3", {name: "None"});
+
+  dummyData.games.get("2")?.groups.set("4", {name: "A"});
+  dummyData.games.get("2")?.groups.set("5", {name: "B"});
+  dummyData.games.get("2")?.groups.set("6", {name: "None2"});
+
+  //
+  ChellarisDataStore.set(dummyData)
+
+  // Local Storage Code
+  let store: string | null;
+
+  if (typeof localStorage !== 'undefined') {
+    // Game Selection
+		store = localStorage.getItem('gameSelection');
+
+    let selectedGame = "";
+		if (typeof store == 'string') {
+			selectedGame = JSON.parse(store);
+			SelectedGameStore.set(selectedGame);
+		}
+
+    // Game Groups Selection
+    store = localStorage.getItem('gameGroupSelection');
+
+		if (typeof store == 'string') {
+			const gameGroupSelectionMap = new Map<string, Array<string>>(JSON.parse(store));
+			const tmp = gameGroupSelectionMap.get(selectedGame);
+      let selectedGameGroups: Array<string> = [];
+      if (typeof tmp !== 'undefined') {
+        selectedGameGroups = [...tmp.values()];
+      } else {
+        const tmpGameData = dummyData.games.get(selectedGame);
+        // If this fails an empty array is precisely what we want
+        if (typeof tmpGameData !== "undefined") {
+          // Default to all available groups
+          selectedGameGroups = [...tmpGameData.groups.keys()];
+          // Set Local Storage to default Values if not previously defined
+          localStorage.setItem('gameGroupSelection', JSON.stringify(Array.from(selectedGameGroups.entries())));
+        }
+      }
+      gameGroupSelectionMap.set(selectedGame, selectedGameGroups);
+      SelectedGameGroupsStore.set(gameGroupSelectionMap);
+		}
+	}
+}