@jdcfe/yep-react/es/checkbox/CheckBoxGroup.js

一套移动端的React组件库

import _classCallCheck from "@babel/runtime/helpers/classCallCheck";
import _createClass from "@babel/runtime/helpers/createClass";
import _inherits from "@babel/runtime/helpers/inherits";
import _possibleConstructorReturn from "@babel/runtime/helpers/possibleConstructorReturn";
import _getPrototypeOf from "@babel/runtime/helpers/getPrototypeOf";

function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }

function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }

import * as React from 'react';

var CheckBoxGroup = /*#__PURE__*/function (_React$Component) {
  _inherits(CheckBoxGroup, _React$Component);

  var _super = _createSuper(CheckBoxGroup);

  function CheckBoxGroup() {
    var _this;

    _classCallCheck(this, CheckBoxGroup);

    _this = _super.apply(this, arguments);

    _this.handleChange = function (e) {
      var value = _this.props.value;
      var _e$target = e.target,
          itemValue = _e$target.value,
          checked = _e$target.checked;
      var tmpValue = value.concat();
      var idx = value.indexOf(itemValue);

      if (checked) {
        if (idx > -1) {} else {
          tmpValue.push(itemValue);
        }
      } else {
        if (idx > -1) {
          tmpValue.splice(idx, 1);
        }
      }

      _this.props.onChange && _this.props.onChange(tmpValue);
    };

    return _this;
  }

  _createClass(CheckBoxGroup, [{
    key: "validateChecked",
    value: function validateChecked(childProps) {
      return this.props.value.indexOf(childProps.value) > -1;
    }
  }, {
    key: "render",
    value: function render() {
      var _this2 = this;

      var children = this.props.children;
      return /*#__PURE__*/React.createElement("div", null, React.Children.map(children, function (child, index) {
        var childProps = child.props;

        var checked = _this2.validateChecked(childProps);

        if (child.type.displayName === 'Checkbox') {
          return /*#__PURE__*/React.cloneElement(child, {
            key: index,
            checked: checked,
            onChange: _this2.handleChange
          });
        } else {
          return /*#__PURE__*/React.cloneElement(child);
        }
      }));
    }
  }]);

  return CheckBoxGroup;
}(React.Component);

CheckBoxGroup.defaultProps = {
  value: [],
  onChange: function onChange() {
    return null;
  }
};
export default CheckBoxGroup;