react-focus-flow/lib/Focusable.js

React components to define isolated focus flows

"use strict";

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

var _react = _interopRequireDefault(require("react"));

var _propTypes = _interopRequireDefault(require("prop-types"));

var _FocusFlow = _interopRequireDefault(require("./FocusFlow"));

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

function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

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

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } 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 Focusable =
/*#__PURE__*/
function (_React$Component) {
  _inherits(Focusable, _React$Component);

  function Focusable(props) {
    var _this;

    _classCallCheck(this, Focusable);

    _this = _possibleConstructorReturn(this, (Focusable.__proto__ || Object.getPrototypeOf(Focusable)).call(this, props));
    _this.index = props.index;
    return _this;
  }

  _createClass(Focusable, [{
    key: "componentWillMount",
    value: function componentWillMount() {
      if (!this.context.focusFlow) {
        throw new Error("All <Focusable> components must be a descendant of a <FocusFlow> component");
      }

      this.focusFlow = this.context.focusFlow;
    }
  }, {
    key: "componentDidMount",
    value: function componentDidMount() {
      // React translates an autoFocus on an element into
      // an imperative .focus() on mount - so we can't look at ref.autofocus
      // to see if the user wanted autofocus set.
      // So, if you want to autofocus, you need to put it on Focusable component i.e.,
      // <Focusable autoFocus .../>
      if (this.props.autoFocus) {
        this.focusFlow.setActive(this);
      }
    }
  }, {
    key: "componentWillUnmount",
    value: function componentWillUnmount() {
      this.focusFlow.remove(this);
    }
  }, {
    key: "focus",
    value: function focus() {
      console.log("focus call");
      var onFocusTurn = this.props.onFocusTurn;

      if (onFocusTurn) {
        onFocusTurn();
      } else {
        this.node.focus();
      }
    }
  }, {
    key: "isDisabled",
    value: function isDisabled() {
      return this.node.disabled;
    }
  }, {
    key: "render",
    value: function render() {
      var _this2 = this;

      var child = _react.default.Children.only(this.props.children);

      return _react.default.cloneElement(child, {
        ref: function ref(node) {
          // don't overwrite ref callback if present
          if (typeof child.ref === "function") {
            child.ref(node);
          }

          if (node === null) {
            return;
          }

          _this2.node = node;

          _this2.focusFlow.add(_this2);
        },
        onClick: function onClick(e) {
          // don't overwrite onClick callback if present
          if (typeof child.props.onClick === "function") {
            child.props.onClick(e);
          }

          if (!e.defaultPrevented) {
            _this2.focusFlow.setActive(_this2);
          }
        }
      });
    }
  }]);

  return Focusable;
}(_react.default.Component);

exports.default = Focusable;
Focusable.propTypes = {
  index: _propTypes.default.number.isRequired,
  autoFocus: _propTypes.default.bool,
  children: _propTypes.default.element.isRequired,
  onFocusTurn: _propTypes.default.func
};
Focusable.defaultProps = {
  autoFocus: false,
  onFocusTurn: undefined
};
Focusable.contextTypes = {
  focusFlow: _propTypes.default.instanceOf(_FocusFlow.default).isRequired
};