BlockEditor_template.html

<template>
	<block-content>
		<!-- Insert block content -->
		<propertyPopup title="Property title">
			<!-- Insert elements for setup -->
		</propertyPopup>
	</block-content>
</template>

<script> 
import propertyPopup from "../property-popup";
import blockContent from "../block-content.js";

export default {
	components: {
		blockContent,
		propertyPopup
	},
	data: () => {
		return {
			// ...
		};
	},
	methods: {
		setData(d) {
			return require("../setData")(this, d);
		},
		getData() {
			return require("../getData")(this);
		},
		slotMounted() {
			return this.$parent.slotMounted(this);
		}
		// ...
	},
	mounted() {
		this.slotMounted();
		// ...
	}
};
</script>