react-permissions/lib/index.js

react-permissions React component

'use strict';

exports.__esModule = true;
exports.Permissioned = Permissioned;

var _react = require('react');

var _react2 = _interopRequireDefault(_react);

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

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; }

function Permissioned(WrappedComponent, allowedPermissions) {
    var PermissionedComponent = function (_React$Component) {
        _inherits(PermissionedComponent, _React$Component);

        function PermissionedComponent(props, context) {
            _classCallCheck(this, PermissionedComponent);

            var _this = _possibleConstructorReturn(this, _React$Component.call(this, props, context));

            _this.state = {
                allowedPermissions: allowedPermissions || props.allowedPermissions || []
            };
            _this.allPermissions = Permissioned.prototype.allPermissions || (Permissioned.mapPermissions ? Permissioned.mapPermissions(props) : []);
            _this.alternateView = props.alternateView || _react2.default.createClass({
                displayName: 'alternateView',
                render: function render() {
                    return _react2.default.createElement('div', null);
                }
            });

            return _this;
        }

        PermissionedComponent.prototype.componentWillReceiveProps = function componentWillReceiveProps(nextProps) {
            nextProps.allowedPermissions && this.setState({ allowedPermissions: nextProps.allowedPermissions });
        };

        PermissionedComponent.prototype.componentWillUpdate = function componentWillUpdate(props, state) {
            this.allPermissions = Permissioned.prototype.allPermissions || (Permissioned.mapPermissions ? Permissioned.mapPermissions(props) : []);
        };

        PermissionedComponent.prototype.hasPermission = function hasPermission(and) {
            var _this2 = this;

            var hasPermissionTo = true;
            var filteredList = this.allPermissions.filter(function (permission) {
                return _this2.state.allowedPermissions.filter(function (allowedPermission) {
                    return allowedPermission == permission;
                }).length > 0;
            });
            hasPermissionTo = and ? filteredList.length === this.state.allowedPermissions.length : filteredList.length > 0;
            return hasPermissionTo;
        };

        PermissionedComponent.prototype.render = function render() {
            var AlternateView = this.alternateView;
            if (this.hasPermission(this.props.hasAll)) return _react2.default.createElement(WrappedComponent, this.props);
            return _react2.default.createElement(AlternateView, null);
        };

        return PermissionedComponent;
    }(_react2.default.Component);
    return PermissionedComponent;
}