import { pattern, UI } from "commonfabric"; interface Item { id: number; name: string; active: boolean; } interface State { items: Item[]; } // FIXTURE: filter-basic // Verifies: .filter() + .map() chain on reactive arrays are both transformed // .filter(fn) → .filterWithPattern(pattern(...), {}) // .map(fn) → .mapWithPattern(pattern(...), {}) // Context: No captured outer variables — params objects are empty {}. Basic // filter-then-map chain where filter checks a boolean field and map renders. export default pattern((state) => { return { [UI]: (
{state.items .filter((item) => item.active) .map((item) => (
Item #{item.id}: {item.name}
))}
), }; });