@ryami333/react-accessible-accordion/dist/Accordion/accordion.js

Accessible Accordion component for React

'use strict';

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

var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

var _propTypes = require('prop-types');

var _propTypes2 = _interopRequireDefault(_propTypes);

var _react = require('react');

var _react2 = _interopRequireDefault(_react);

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

function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

var defaultProps = {
    accordion: true,
    onChange: function onChange() {},
    className: 'accordion'
};

var propTypes = {
    accordion: _propTypes2.default.bool,
    children: _propTypes2.default.oneOfType([_propTypes2.default.arrayOf(_propTypes2.default.element), _propTypes2.default.object]).isRequired,
    className: _propTypes2.default.string,
    onChange: _propTypes2.default.func
};

var Accordion = function (_Component) {
    _inherits(Accordion, _Component);

    function Accordion(props) {
        _classCallCheck(this, Accordion);

        var _this = _possibleConstructorReturn(this, (Accordion.__proto__ || Object.getPrototypeOf(Accordion)).call(this, props));

        var activeItems = _this.preExpandedItems();
        _this.state = {
            activeItems: activeItems,
            accordion: true
        };
        _this.renderItems = _this.renderItems.bind(_this);
        return _this;
    }

    _createClass(Accordion, [{
        key: 'preExpandedItems',
        value: function preExpandedItems() {
            var _this2 = this;

            var activeItems = [];
            _react2.default.Children.map(this.props.children, function (item, index) {
                if (item.props.expanded) {
                    if (_this2.props.accordion) {
                        if (activeItems.length === 0) activeItems.push(index);
                    } else {
                        activeItems.push(index);
                    }
                }
            });
            return activeItems;
        }
    }, {
        key: 'handleClick',
        value: function handleClick(key) {
            var activeItems = this.state.activeItems;
            if (this.props.accordion) {
                activeItems = activeItems[0] === key ? [] : [key];
            } else {
                activeItems = [].concat(_toConsumableArray(activeItems));
                var index = activeItems.indexOf(key);
                var isActive = index > -1;
                if (isActive) {
                    // remove active state
                    activeItems.splice(index, 1);
                } else {
                    activeItems.push(key);
                }
            }
            this.setState({
                activeItems: activeItems
            });

            this.props.onChange(this.props.accordion ? activeItems[0] : activeItems);
        }
    }, {
        key: 'renderItems',
        value: function renderItems() {
            var _this3 = this;

            var _props = this.props,
                accordion = _props.accordion,
                children = _props.children;


            return _react2.default.Children.map(children, function (item, index) {
                var key = index;
                var expanded = _this3.state.activeItems.indexOf(key) !== -1 && !item.props.disabled;

                return _react2.default.cloneElement(item, {
                    disabled: item.props.disabled,
                    accordion: accordion,
                    expanded: expanded,
                    key: 'accordion__item-' + key,
                    onClick: _this3.handleClick.bind(_this3, key)
                });
            });
        }
    }, {
        key: 'render',
        value: function render() {
            var className = this.props.className;

            return _react2.default.createElement(
                'div',
                { className: className },
                this.renderItems()
            );
        }
    }]);

    return Accordion;
}(_react.Component);

Accordion.propTypes = propTypes;
Accordion.defaultProps = defaultProps;

exports.default = Accordion;