Function useUncontrolled

app/src/static/js/react-bootstrap.js:1260–1298

(props, config)

}

function useUncontrolled(props, config) {
  return Object.keys(config).reduce(function (result, fieldName) {
    var _extends2;

    var defaultValue = result[Utils.defaultKey(fieldName)],
        propsValue = result[fieldName],
        rest = _objectWithoutPropertiesLoose(result, [Utils.defaultKey(fieldName), fieldName].map(_toPropertyKey));

    var handlerName = config[fieldName];
    var prevProps = (0, _react.useRef)({});

    var _useState = (0, _react.useState)(defaultValue),
        stateValue = _useState[0],
        setState = _useState[1];

    var isProp = Utils.isProp(props, fieldName);
    var wasProp = Utils.isProp(prevProps.current, fieldName);
    prevProps.current = props;
    /**
     * If a prop switches from controlled to Uncontrolled
     * reset its value to the defaultValue
     */

    if (!isProp && wasProp) {
      setState(defaultValue);
    }

    var propsHandler = props[handlerName];
    var handler = (0, _react.useCallback)(function (value) {
      for (var _len = arguments.length, args = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
        args[_key - 1] = arguments[_key];
      }

      if (propsHandler) propsHandler.apply(void 0, [value].concat(args));
      setState(value);
    }, [setState, propsHandler]);
    return _extends({}, rest, (_extends2 = {}, _extends2[fieldName] = isProp ? propsValue : stateValue, _extends2[handlerName] = handler, _extends2));
  }, props);
}

module.exports = exports["default"];