antd-mobile-taro-ui/2x/cjs/components/tab-bar/tab-bar.js

以antd-mobile为设计标准，基于taro框架的微信小程序组件库

"use strict";

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

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

var _classnames = _interopRequireDefault(require("classnames"));

var _nativeProps = require("antd-mobile/es/utils/native-props");

var _withDefaultProps = require("antd-mobile/es/utils/with-default-props");

var _usePropsValue = require("antd-mobile/es/utils/use-props-value");

var _traverseReactNode = require("antd-mobile/es/utils/traverse-react-node");

var _components = require("@tarojs/components");

var _badge = _interopRequireDefault(require("../badge"));

var _safeArea = _interopRequireDefault(require("../safe-area"));

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

const TabBarItem = () => {
  return null;
};

exports.TabBarItem = TabBarItem;
const classPrefix = `adm-tab-bar`;
const defaultProps = {
  safeArea: false
};

const TabBar = p => {
  var _a;

  const props = (0, _withDefaultProps.mergeProps)(defaultProps, p);
  let firstActiveKey = null;
  const items = [];
  (0, _traverseReactNode.traverseReactNode)(props.children, (child, index) => {
    if (!_react.default.isValidElement(child)) return;
    const {
      key
    } = child;
    if (typeof key !== 'string') return;

    if (index === 0) {
      firstActiveKey = key;
    }

    items.push(child);
  });
  const [activeKey, setActiveKey] = (0, _usePropsValue.usePropsValue)({
    value: props.activeKey,
    defaultValue: (_a = props.defaultActiveKey) !== null && _a !== void 0 ? _a : firstActiveKey,
    onChange: v => {
      var _a;

      if (v === null) return;
      (_a = props.onChange) === null || _a === void 0 ? void 0 : _a.call(props, v);
    }
  });
  return (0, _nativeProps.withNativeProps)(props, _react.default.createElement(_components.View, {
    className: classPrefix
  }, _react.default.createElement(_components.View, {
    className: `${classPrefix}-wrap`
  }, items.map(item => {
    const active = item.key === activeKey;

    function renderContent() {
      const iconElement = item.props.icon && _react.default.createElement(_components.View, {
        className: `${classPrefix}-item-icon`
      }, typeof item.props.icon === 'function' ? item.props.icon(active) : item.props.icon);

      const titleElement = item.props.title && _react.default.createElement(_components.View, {
        className: (0, _classnames.default)(`${classPrefix}-item-title`, Boolean(iconElement) && `${classPrefix}-item-title-with-icon`)
      }, typeof item.props.title === 'function' ? item.props.title(active) : item.props.title);

      if (iconElement) {
        return _react.default.createElement(_react.default.Fragment, null, _react.default.createElement(_badge.default, {
          content: item.props.badge,
          className: `${classPrefix}-icon-badge`
        }, iconElement), titleElement);
      }

      if (titleElement) {
        return _react.default.createElement(_badge.default, {
          content: item.props.badge,
          className: `${classPrefix}-title-badge`
        }, titleElement);
      }

      return null;
    }

    return (0, _nativeProps.withNativeProps)(item.props, _react.default.createElement(_components.View, {
      key: item.key,
      onClick: () => {
        const {
          key
        } = item;
        if (key === undefined || key === null) return;
        setActiveKey(key.toString());
      },
      className: (0, _classnames.default)(`${classPrefix}-item`, {
        [`${classPrefix}-item-active`]: active
      })
    }, renderContent()));
  })), props.safeArea && _react.default.createElement(_safeArea.default, {
    position: 'bottom'
  })));
};

exports.TabBar = TabBar;