text: var _class, _class2, _temp;
  
  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 _extends() { _extends = Object.assign || 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); }
  
  function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }
  
  function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(source, true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(source).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }
  
  function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return 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; } return _assertThisInitialized(self); }
  
  function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
  
  function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
  
  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, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
  
  function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
  
  /**
   * @fileOverview Polar Grid
   */
  import React, { Component } from 'react';
  import PropTypes from 'prop-types';
  import pureRender from '../util/PureRender';
  import { polarToCartesian } from '../util/PolarUtils';
  import { PRESENTATION_ATTRIBUTES, getPresentationAttributes } from '../util/ReactUtils';
  
  var PolarGrid = pureRender(_class = (_temp = _class2 =
  /*#__PURE__*/
  function (_Component) {
    _inherits(PolarGrid, _Component);
  
    function PolarGrid() {
      _classCallCheck(this, PolarGrid);
  
      return _possibleConstructorReturn(this, _getPrototypeOf(PolarGrid).apply(this, arguments));
    }
  
    _createClass(PolarGrid, [{
      key: "getPolygonPath",
      value: function getPolygonPath(radius) {
        var _this$props = this.props,
            cx = _this$props.cx,
            cy = _this$props.cy,
            polarAngles = _this$props.polarAngles;
        var path = '';
        polarAngles.forEach(function (angle, i) {
          var point = polarToCartesian(cx, cy, radius, angle);
  
          if (i) {
            path += "L ".concat(point.x, ",").concat(point.y);
          } else {
            path += "M ".concat(point.x, ",").concat(point.y);
          }
        });
        path += 'Z';
        return path;
      }
      /**
       * Draw axis of radial line
       * @return {[type]} The lines
       */
  
    }, {
      key: "renderPolarAngles",
      value: function renderPolarAngles() {
        var _this$props2 = this.props,
            cx = _this$props2.cx,
            cy = _this$props2.cy,
            innerRadius = _this$props2.innerRadius,
            outerRadius = _this$props2.outerRadius,
            polarAngles = _this$props2.polarAngles;
  
        if (!polarAngles || !polarAngles.length) {
          return null;
        }
  
        var props = _objectSpread({
          stroke: '#ccc'
        }, getPresentationAttributes(this.props));
  
        return React.createElement("g", {
          className: "recharts-polar-grid-angle"
        }, polarAngles.map(function (entry, i) {
          var start = polarToCartesian(cx, cy, innerRadius, entry);
          var end = polarToCartesian(cx, cy, outerRadius, entry);
          return React.createElement("line", _extends({}, props, {
            key: "line-".concat(i),
            x1: start.x,
            y1: start.y,
            x2: end.x,
            y2: end.y
          }));
        }));
      }
      /**
       * Draw concentric circles
       * @param {Number} radius The radius of circle
       * @param {Number} index  The index of circle
       * @param {Object} extraProps Extra props
       * @return {ReactElement} circle
       */
  
    }, {
      key: "renderConcentricCircle",
      value: function renderConcentricCircle(radius, index, extraProps) {
        var _this$props3 = this.props,
            cx = _this$props3.cx,
            cy = _this$props3.cy;
  
        var props = _objectSpread({
          stroke: '#ccc'
        }, getPresentationAttributes(this.props), {
          fill: 'none'
        }, extraProps);
  
        return React.createElement("circle", _extends({}, props, {
          className: "recharts-polar-grid-concentric-circle",
          key: "circle-".concat(index),
          cx: cx,
          cy: cy,
          r: radius
        }));
      }
      /**
       * Draw concentric polygons
       * @param {Number} radius     The radius of polygon
       * @param {Number} index      The index of polygon
       * @param {Object} extraProps Extra props
       * @return {ReactElement} polygon
       */
  
    }, {
      key: "renderConcentricPolygon",
      value: function renderConcentricPolygon(radius, index, extraProps) {
        var props = _objectSpread({
          stroke: '#ccc'
        }, getPresentationAttributes(this.props), {
          fill: 'none'
        }, extraProps);
  
        return React.createElement("path", _extends({}, props, {
          className: "recharts-polar-grid-concentric-polygon",
          key: "path-".concat(index),
          d: this.getPolygonPath(radius)
        }));
      }
      /**
       * Draw concentric axis
       * @return {ReactElement} Concentric axis
       * @todo Optimize the name
       */
  
    }, {
      key: "renderConcentricPath",
      value: function renderConcentricPath() {
        var _this = this;
  
        var _this$props4 = this.props,
            polarRadius = _this$props4.polarRadius,
            gridType = _this$props4.gridType;
  
        if (!polarRadius || !polarRadius.length) {
          return null;
        }
  
        return React.createElement("g", {
          className: "recharts-polar-grid-concentric"
        }, polarRadius.map(function (entry, i) {
          return gridType === 'circle' ? _this.renderConcentricCircle(entry, i) : _this.renderConcentricPolygon(entry, i);
        }));
      }
    }, {
      key: "render",
      value: function render() {
        var outerRadius = this.props.outerRadius;
  
        if (outerRadius <= 0) {
          return null;
        }
  
        return React.createElement("g", {
          className: "recharts-polar-grid"
        }, this.renderPolarAngles(), this.renderConcentricPath());
      }
    }]);
  
    return PolarGrid;
  }(Component), _class2.displayName = 'PolarGrid', _class2.propTypes = _objectSpread({}, PRESENTATION_ATTRIBUTES, {
    cx: PropTypes.number,
    cy: PropTypes.number,
    innerRadius: PropTypes.number,
    outerRadius: PropTypes.number,
    polarAngles: PropTypes.arrayOf(PropTypes.number),
    polarRadius: PropTypes.arrayOf(PropTypes.number),
    gridType: PropTypes.oneOf(['polygon', 'circle'])
  }), _class2.defaultProps = {
    cx: 0,
    cy: 0,
    innerRadius: 0,
    outerRadius: 0,
    gridType: 'polygon'
  }, _temp)) || _class;
  
  export default PolarGrid;