svelte/test/validator/samples/properties-computed-must-be-valid-function-names/input.html

<p>
	The hour is
	<strong>{{hours}}</strong>
</p>

<script>
	export default {
		data() {
			return {
				time: new Date()
			};
		},
		computed: {
			"hours-hyphen": time => time.getHours()
		}
	};
</script>