@lskjs/navbar/AbstractNav.js

LSK ux subrepo: navbar

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

var _typeof = require("@babel/runtime/helpers/typeof");

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

var _extends2 = _interopRequireDefault(require("@babel/runtime/helpers/extends"));

var _objectWithoutProperties2 = _interopRequireDefault(require("@babel/runtime/helpers/objectWithoutProperties"));

var _useForceUpdate = _interopRequireDefault(require("@restart/hooks/useForceUpdate"));

var _useMergedRefs = _interopRequireDefault(require("@restart/hooks/useMergedRefs"));

var _querySelectorAll = _interopRequireDefault(require("dom-helpers/querySelectorAll"));

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

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

var _NavContext = _interopRequireDefault(require("./NavContext"));

var _SelectableContext = _interopRequireWildcard(require("./SelectableContext"));

var _TabContext = _interopRequireDefault(require("./TabContext"));

function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }

function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || _typeof(obj) !== "object" && typeof obj !== "function") { return { "default": obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && 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; }

var noop = function noop() {};

var propTypes = {
  onSelect: _propTypes["default"].func.isRequired,
  as: _propTypes["default"].elementType,
  role: _propTypes["default"].string,

  /** @private */
  onKeyDown: _propTypes["default"].func,

  /** @private */
  parentOnSelect: _propTypes["default"].func,

  /** @private */
  getControlledId: _propTypes["default"].func,

  /** @private */
  getControllerId: _propTypes["default"].func,

  /** @private */
  activeKey: _propTypes["default"].any
};

var AbstractNav = /*#__PURE__*/_react["default"].forwardRef(function (_ref, ref) {
  var _ref$as = _ref.as,
      Component = _ref$as === void 0 ? 'ul' : _ref$as,
      onSelect = _ref.onSelect,
      activeKey = _ref.activeKey,
      role = _ref.role,
      onKeyDown = _ref.onKeyDown,
      props = (0, _objectWithoutProperties2["default"])(_ref, ["as", "onSelect", "activeKey", "role", "onKeyDown"]);
  // A ref and forceUpdate for refocus, b/c we only want to trigger when needed
  // and don't want to reset the set in the effect
  var forceUpdate = (0, _useForceUpdate["default"])();
  var needsRefocusRef = (0, _react.useRef)(false);
  var parentOnSelect = (0, _react.useContext)(_SelectableContext["default"]);
  var tabContext = (0, _react.useContext)(_TabContext["default"]);
  var getControlledId;
  var getControllerId;

  if (tabContext) {
    role = role || 'tablist';
    activeKey = tabContext.activeKey;
    getControlledId = tabContext.getControlledId;
    getControllerId = tabContext.getControllerId;
  }

  var listNode = (0, _react.useRef)(null);

  var getNextActiveChild = function getNextActiveChild(offset) {
    if (!listNode.current) return null;
    var items = (0, _querySelectorAll["default"])(listNode.current, '[data-rb-event-key]:not(.disabled)');
    var activeChild = listNode.current.querySelector('.active');
    var index = items.indexOf(activeChild);
    if (index === -1) return null;
    var nextIndex = index + offset;
    if (nextIndex >= items.length) nextIndex = 0;
    if (nextIndex < 0) nextIndex = items.length - 1;
    return items[nextIndex];
  };

  var handleSelect = function handleSelect(key, event) {
    if (key == null) return;
    if (onSelect) onSelect(key, event);
    if (parentOnSelect) parentOnSelect(key, event);
  };

  var handleKeyDown = function handleKeyDown(event) {
    if (onKeyDown) onKeyDown(event);
    var nextActiveChild;

    switch (event.key) {
      case 'ArrowLeft':
      case 'ArrowUp':
        nextActiveChild = getNextActiveChild(-1);
        break;

      case 'ArrowRight':
      case 'ArrowDown':
        nextActiveChild = getNextActiveChild(1);
        break;

      default:
        return;
    }

    if (!nextActiveChild) return;
    event.preventDefault();
    handleSelect(nextActiveChild.dataset.rbEventKey, event);
    needsRefocusRef.current = true;
    forceUpdate();
  };

  (0, _react.useEffect)(function () {
    if (listNode.current && needsRefocusRef.current) {
      var activeChild = listNode.current.querySelector('[data-rb-event-key].active');
      if (activeChild) activeChild.focus();
    }

    needsRefocusRef.current = false;
  });
  var mergedRef = (0, _useMergedRefs["default"])(ref, listNode);
  return /*#__PURE__*/_react["default"].createElement(_SelectableContext["default"].Provider, {
    value: handleSelect
  }, /*#__PURE__*/_react["default"].createElement(_NavContext["default"].Provider, {
    value: {
      role: role,
      // used by NavLink to determine it's role
      activeKey: (0, _SelectableContext.makeEventKey)(activeKey),
      getControlledId: getControlledId || noop,
      getControllerId: getControllerId || noop
    }
  }, /*#__PURE__*/_react["default"].createElement(Component, (0, _extends2["default"])({}, props, {
    onKeyDown: handleKeyDown,
    ref: mergedRef,
    role: role
  }))));
});

AbstractNav.propTypes = propTypes;
var _default = AbstractNav;
exports["default"] = _default;
//# sourceMappingURL=AbstractNav.js.map