Issue #3297147 by sonfd: Add Drupal 10 and 11 compatibility.

README.txt

-Eric Tools
+ETools

etools.info.yml

-name: Eric tools
+name: Etools
 description: A small collection of utilities and plugins for developers and site builders.
 type: module
-core_version_requirement: ^9
-package: Eric tool suite
+core_version_requirement: ^9 || ^10 || ^11
+package: Etools

src/EtoolsEntity.php

@@ -45,6 +45,7 @@ class EtoolsEntity {
       ->getFieldStorageDefinition();
 
     $cardinality = $field_storage_definition->getCardinality();
+
     $property_name = !empty($property_name) ? $property_name : $field_storage_definition->getMainPropertyName();
     if (empty($property_name)) {
       throw new \Exception("No property_name passed to \Drupal::service('etools.entity')->getFieldValue() and a property_name can't be determined automatically.");