WIP: Testing a vue-demi build

src/base/LinkedDataHandler.ts

-import Vue from 'vue';
+import { defineComponent } from 'vue-demi';
 
 import factory from 'rdf-ext';
 import SHACLValidator from 'rdf-validate-shacl';
@@ -7,7 +7,7 @@ import { Readable } from 'stream';
 import { prefixes } from '@zazuko/rdf-vocabularies';
 import type { Dataset, Quad, Quad_Object, Quad_Subject } from 'rdf-js';
 
-export default Vue.extend({
+export default defineComponent({
   data() {
     return {
       errorMessages: {} as { [nodeName: string]: Quad_Object[] },