first commit

plugins/jquery-validation/polish/validator.city.js

@@ -0,0 +1,18 @@
+/* eslint-disable func-names */
+
+/* Validator city */
+jQuery.validator.addMethod(
+  "city",
+  function(value, element) {
+    /* eslint-disable max-len */
+    const reg = /^[a-zA-ZąĄęĘóśŚÓłŁżŻźŹćĆńŃÄäÖöÜüß]{2,}((\s?-\s?|\s)[a-zA-ZąĄęĘóśŚÓłŁżŻźŹćĆńŃÄäÖöÜüß]{2,}\.?)*$/;
+    /* eslint-enable max-len */
+    return this.optional(element) || reg.test(value);
+  },
+  "Wprowadź poprawnie nazwę miasta."
+);
+
+/* City validator */
+jQuery.validator.addClassRules("js-validation-city", {
+  city: true,
+});