In hook_entity_field_fieldType_form__ etc you should be able to either make data just the field schema part (put in to stop this being a breaking change) or split it into a data.form and data.schema. Key and ordering of fields is done automatically. Fieldsets are not supported as yet.
In
hook_entity_field_fieldType_form__etc you should be able to either make data just the field schema part (put in to stop this being a breaking change) or split it into a data.form and data.schema. Key and ordering of fields is done automatically. Fieldsets are not supported as yet.