Pass el object to init function

app/assets/javascripts/create_cluster/eks_cluster/index.js

@@ -5,30 +5,22 @@ import createStore from './store';
 
 Vue.use(Vuex);
 
-export default () =>
-  new Vue({
-    el: '.js-create-eks-cluster-form-container',
+export default el => {
+  const { gitlabManagedClusterHelpPath, kubernetesIntegrationHelpPath } = el.dataset;
+
+  return new Vue({
+    el,
     store: createStore(),
     components: {
       CreateEksCluster,
     },
-    data() {
-      const {
-        gitlabManagedClusterHelpPath,
-        kubernetesIntegrationHelpPath,
-      } = document.querySelector(this.$options.el).dataset;
-
-      return {
-        gitlabManagedClusterHelpPath,
-        kubernetesIntegrationHelpPath,
-      };
-    },
     render(createElement) {
       return createElement('create-eks-cluster', {
         props: {
-          gitlabManagedClusterHelpPath: this.gitlabManagedClusterHelpPath,
-          kubernetesIntegrationHelpPath: this.kubernetesIntegrationHelpPath,
+          gitlabManagedClusterHelpPath,
+          kubernetesIntegrationHelpPath,
         },
       });
     },
   });
+};

app/assets/javascripts/pages/projects/clusters/new/index.js

 document.addEventListener('DOMContentLoaded', () => {
   if (gon.features.createEksClusters) {
     import(/* webpackChunkName: 'eks_cluster' */ '~/create_cluster/eks_cluster')
-      .then(({ default: initCreateEKSCluster }) => initCreateEKSCluster())
+      .then(({ default: initCreateEKSCluster }) => {
+        const el = document.querySelector('.js-create-eks-cluster-form-container');
+
+        if (el) {
+          initCreateEKSCluster(el);
+        }
+      })
       .catch(() => {});
   }
 });