<script type="module">
  import Vue from "https://unpkg.com/vue@2.6.0/dist/vue.esm.browser.min.js";
      import {
        Runtime,
        Inspector
      } from "https://cdn.jsdelivr.net/npm/@observablehq/runtime@4/dist/runtime.js";
      import notebook from "https://api.observablehq.com/@d3/sankey-diagram.js?v=3";

      const app = new Vue({
        el: "#app",
        data() {
          return {
            notebookModule: null
          };
        },
        mounted() {
          const runtime = new Runtime();
          const inspect = Inspector.into(this.$refs.chartRef);
          this.notebookModule = runtime.module(notebook, name => {
            return name === "chart" && inspect();
          });
        }
      });
    </script>
<div id="app">
  <div ref="chartRef"></div>
</div>