BIG REFACTORING using composer create-project drupal-composer/drupal-project

config/sync/field.field.node.materiau.field_reference.yml

@@ -0,0 +1,24 @@
+uuid: 3ce409a1-b3a7-4324-b984-8e2f0f3cc3da
+langcode: en
+status: true
+dependencies:
+  config:
+    - field.storage.node.field_reference
+    - node.type.materiau
+  module:
+    - computed_field
+id: node.materiau.field_reference
+field_name: field_reference
+entity_type: node
+bundle: materiau
+label: Reference
+description: ''
+required: false
+translatable: false
+default_value:
+  -
+    value: ''
+default_value_callback: ''
+settings:
+  code: '$value = '''';'
+field_type: computed_string