feat(mapManagerToParams): create mapper to transform filter values to query param values

src/features/GetFonts/lib/mapper/mapManagerToParams.ts

@@ -0,0 +1,12 @@
+import type { FontshareParams } from '$entities/Font';
+import type { FilterManager } from '../filterManager/filterManager.svelte';
+
+export function mapManagerToParams(manager: FilterManager): Partial<FontshareParams> {
+    return {
+        q: manager.debouncedQueryValue,
+        // Map groups to specific API keys
+        categories: manager.getGroup('categories')?.instance.selectedProperties.map(p => p.value)
+            ?? [],
+        tags: manager.getGroup('tags')?.instance.selectedProperties.map(p => p.value) ?? [],
+    };
+}