svelte/test/runtime/samples/spread-element-multiple-dependencies/main.html

<div class={foo ? a : b} {...bar}></div>

<script>
	export default {
		data: () => ({
			foo: false,
			a: 'a',
			b: 'b',
			bar: { title: 'baz' },
		}),
	};
</script>