baseui
Version:
A React Component library implementing the Base design language
62 lines (60 loc) • 2.83 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.StatefulTabs = StatefulTabs;
var React = _interopRequireWildcard(require("react"));
var _tabs = require("./tabs");
var _constants = require("./constants");
function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function (e) { return e ? t : r; })(e); }
function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != typeof e && "function" != typeof e) return { default: e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && Object.prototype.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n.default = e, t && t.set(e, n), n; }
function _extends() { _extends = Object.assign ? Object.assign.bind() : function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); } /*
Copyright (c) Uber Technologies, Inc.
This source code is licensed under the MIT license found in the
LICENSE file in the root directory of this source tree.
*/
const getInitialState = (children, initialState) => {
if (initialState && initialState.activeKey) {
return initialState;
} else {
// @ts-ignore
const firstKey = React.Children.map(children,
// @ts-expect-error todo(flow->ts) child might be not a ReactElement, theoretically including null
(child, index) => child.key || String(index))[0];
return {
activeKey: firstKey
};
}
};
const defaultStateReducer = (state, action) => {
if (action.type === _constants.STATE_CHANGE_TYPE.change) {
return {
activeKey: action.payload
};
}
return state;
};
function StatefulTabs(props) {
const {
children,
initialState,
stateReducer = defaultStateReducer,
onChange,
...restProps
} = props;
const [state, dispatch] = React.useReducer(stateReducer, getInitialState(children, initialState));
const handleChange = React.useCallback(params => {
const {
activeKey
} = params;
dispatch({
type: _constants.STATE_CHANGE_TYPE.change,
payload: activeKey
});
if (typeof onChange === 'function') onChange(params);
}, []);
return /*#__PURE__*/React.createElement(_tabs.Tabs, _extends({}, restProps, {
activeKey: state.activeKey,
onChange: handleChange
}), children);
}