first commit

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

@@ -0,0 +1,15 @@
+/* eslint-disable func-names */
+
+/* Validator numbers */
+jQuery.validator.methods.number = function(value, element) {
+  let val = value;
+  val = val.replace(",", ".");
+  const isNumber = !isNaN(parseFloat(val)) && isFinite(val);
+  return this.optional(element) || isNumber;
+};
+jQuery.validator.messages.number = "Proszę wpisać poprawną liczbę.";
+
+/* Number validation */
+jQuery.validator.addClassRules("js-validation-number", {
+  number: true,
+});