Refactoring the resource details page

src/lib/components/Modal/Modal.ts

@@ -0,0 +1,28 @@
+import { writable } from 'svelte/store';
+
+function createModalStack() {
+	const store = writable<{ stack: Symbol[]; top: Symbol | undefined }>({
+		stack: [],
+		top: undefined
+	});
+
+	return {
+		...store,
+		push: (symbol: Symbol) => {
+			store.update((s) => {
+				s.stack.push(symbol);
+				s.top = symbol;
+				return s;
+			});
+		},
+		remove: (symbol: Symbol) => {
+			store.update((s) => {
+				s.stack = s.stack.filter((x) => x !== symbol);
+				s.top = s.stack[s.stack.length - 1];
+				return s;
+			});
+		}
+	};
+}
+
+export const modalStack = createModalStack();