@sberdevices/plasma-temple/dist/hooks/useForm.js

SberDevices CanvasApp Templates.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.useForm = void 0;

var _react = /*#__PURE__*/_interopRequireDefault( /*#__PURE__*/require("react"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }

function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) { symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); } keys.push.apply(keys, symbols); } return keys; }

function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }

function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }

function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }

function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }

function _iterableToArrayLimit(arr, i) { var _i = arr == null ? null : typeof Symbol !== "undefined" && arr[Symbol.iterator] || arr["@@iterator"]; if (_i == null) return; var _arr = []; var _n = true; var _d = false; var _s, _e; try { for (_i = _i.call(arr); !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }

function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }

var useForm = function useForm(_ref) {
  var validators = _ref.validators,
      initialValues = _ref.initialValues,
      onChange = _ref.onChange,
      onSubmit = _ref.onSubmit;

  var _React$useState = _react["default"].useState(initialValues !== null && initialValues !== void 0 ? initialValues : {}),
      _React$useState2 = _slicedToArray(_React$useState, 2),
      data = _React$useState2[0],
      setData = _React$useState2[1];

  var _React$useState3 = _react["default"].useState(null),
      _React$useState4 = _slicedToArray(_React$useState3, 2),
      errors = _React$useState4[0],
      setErrors = _React$useState4[1];

  var handleChange = _react["default"].useCallback(function (event) {
    var _event$target = event.target,
        value = _event$target.value,
        name = _event$target.name;

    var formValue = _objectSpread(_objectSpread({}, data), {}, _defineProperty({}, name, value));

    setData(formValue);
    onChange === null || onChange === void 0 ? void 0 : onChange(formValue);

    if (errors && errors[name]) {
      setErrors(_objectSpread(_objectSpread({}, errors), {}, _defineProperty({}, name, undefined)));
    }
  }, [data, errors, onChange]);

  var handleSubmit = _react["default"].useCallback(function (event) {
    event.preventDefault();

    if (validators) {
      var valid = true;
      var newErrors = {};
      Object.keys(validators).forEach(function (key) {
        var value = data[key];
        var validation = validators[key];

        if (!value) {
          var _validation$required;

          if (validation !== null && validation !== void 0 && (_validation$required = validation.required) !== null && _validation$required !== void 0 && _validation$required.value) {
            var _validation$required2;

            valid = false;
            newErrors[key] = validation === null || validation === void 0 ? void 0 : (_validation$required2 = validation.required) === null || _validation$required2 === void 0 ? void 0 : _validation$required2.message;
            return;
          }

          return;
        }

        var pattern = validation === null || validation === void 0 ? void 0 : validation.pattern;

        if (pattern !== null && pattern !== void 0 && pattern.value && !RegExp(pattern.value).test(String(value))) {
          valid = false;
          newErrors[key] = pattern.message;
        }

        var custom = validation === null || validation === void 0 ? void 0 : validation.custom;

        if (custom !== null && custom !== void 0 && custom.isValid && !custom.isValid(String(value))) {
          valid = false;
          newErrors[key] = custom.message;
        }
      });

      if (!valid) {
        setErrors(newErrors);
        return;
      }
    }

    setErrors(null);
    onSubmit === null || onSubmit === void 0 ? void 0 : onSubmit();
  }, [data, onSubmit, validators]);

  return {
    data: data,
    errors: errors,
    handleChange: handleChange,
    handleSubmit: handleSubmit
  };
};

exports.useForm = useForm;
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