Isbn field required validation

Author: albozek

src/bundle/Resources/public/js/scripts/fieldType/ibexa_isbn.js

@@ -0,0 +1,44 @@
+(function (global, doc, ibexa) {
+    const SELECTOR_FIELD = '.ibexa-field-edit--ezisbn';
+    const SELECTOR_SOURCE_INPUT = '.ibexa-data-source__input';
+    const SELECTOR_LABEL = '.ibexa-field-edit__label';
+
+    class IbexaIsbnValidator extends ibexa.BaseFieldValidator {
+        /**
+         * Validates the input
+         *
+         * @method validateInput
+         * @param {Event} event
+         * @returns {Object}
+         * @memberof IbexaIsbnValidator
+         */
+        validateInput(event) {
+            const isError = event.target.required && !event.target.value.trim();
+            const label = event.target.closest(SELECTOR_FIELD).querySelector(SELECTOR_LABEL).innerText;
+            const errorMessage = ibexa.errors.emptyField.replace('{fieldName}', label);
+
+            return {
+                isError,
+                errorMessage,
+            };
+        }
+    }
+
+    const validator = new IbexaIsbnValidator({
+        classInvalid: 'is-invalid',
+        fieldSelector: SELECTOR_FIELD,
+        eventsMap: [
+            {
+                selector: `${SELECTOR_FIELD} input`,
+                eventName: 'blur',
+                callback: 'validateInput',
+                errorNodeSelectors: ['.ibexa-form-error'],
+                invalidStateSelectors: [SELECTOR_SOURCE_INPUT, SELECTOR_LABEL],
+            },
+        ],
+    });
+
+    validator.init();
+
+    ibexa.addConfig('fieldTypeValidators', [validator], true);
+})(window, window.document, window.ibexa);