svelte/test/runtime/samples/observe-binding-ignores-unchanged/main.html

<Nested ref:nested bind:field1="myObject.field1" bind:field2="myObject.field2" />
<p>field1: {myObject.field1}</p>
<p>field2: {myObject.field2}</p>

<script>
	import Nested from './Nested.html';

	export default {
		components: {
			Nested
		},
		data() {
			return {
				myObject: {
					field1: 1,
					field2: 2
				}
			};
		}
	};
</script>