"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = useControlledState;

var React = _interopRequireWildcard(require("react"));

function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function _getRequireWildcardCache() { return cache; }; return cache; }

function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; if (obj != null) { var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }

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

function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance"); }

function _iterableToArrayLimit(arr, i) { if (!(Symbol.iterator in Object(arr) || Object.prototype.toString.call(arr) === "[object Arguments]")) { return; } var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_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; }

function useControlledState(defaultStateValue, option) {
  var _ref = option || {},
      defaultValue = _ref.defaultValue,
      value = _ref.value,
      onChange = _ref.onChange,
      postState = _ref.postState;

  var _React$useState = React.useState(function () {
    if (value !== undefined) {
      return value;
    }

    if (defaultValue !== undefined) {
      return typeof defaultValue === 'function' ? defaultValue() : defaultValue;
    }

    return typeof defaultStateValue === 'function' ? defaultStateValue() : defaultStateValue;
  }),
      _React$useState2 = _slicedToArray(_React$useState, 2),
      innerValue = _React$useState2[0],
      setInnerValue = _React$useState2[1];

  var mergedValue = value !== undefined ? value : innerValue;

  if (postState) {
    mergedValue = postState(mergedValue);
  }

  function triggerChange(newValue) {
    setInnerValue(newValue);

    if (mergedValue !== newValue && onChange) {
      onChange(newValue, mergedValue);
    }
  }

  return [mergedValue, triggerChange];
}