Function signal

tests/conformance.spec.ts:6–12

(initialValue)

const framework: ReactiveFramework = {
	signal(initialValue) {
		const s = signal(initialValue);
		return {
			read: () => s(),
			write: (v) => s(v),
		};
	},
	computed(fn) {
		const c = computed(fn);
		return { read: () => c() };