Add validate to JSONSchemaForm

src/views/eventDetails.js

@@ -9,6 +9,7 @@ import JSONSchemaForm from './jsonSchemaForm';
 class EventSignupForm extends JSONSchemaForm {
   oninit(vnode) {
     super.oninit(vnode);
+    this.email = '';
     this.emailErrors = [];
     this.emailValid = false;
     if (isLoggedIn()) {

src/views/jsonSchemaForm.js

@@ -70,6 +70,12 @@ export default class JSONSchemaForm {
     return this.schema === undefined || this.valid;
   }
 
+  validate() {
+    // validate the new data against the schema
+    const validate = this.ajv.getSchema('schema');
+    this.valid = validate(this.data);
+  }
+
   getValue() {
     return this.data;
   }