recharts/es6/polar/Radar.js

React charts

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import _isEqual from "lodash/isEqual";
import _isFunction from "lodash/isFunction";
import _first from "lodash/first";
import _isNil from "lodash/isNil";
import _last from "lodash/last";
import _isArray from "lodash/isArray";

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function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

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function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }

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; } }

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/**
 * @fileOverview Radar
 */
import React, { PureComponent } from 'react';
import Animate from 'react-smooth';
import classNames from 'classnames';
import { interpolateNumber } from '../util/DataUtils';
import { Global } from '../util/Global';
import { polarToCartesian } from '../util/PolarUtils';
import { getValueByDataKey } from '../util/ChartUtils';
import { Polygon } from '../shape/Polygon';
import { Dot } from '../shape/Dot';
import { Layer } from '../container/Layer';
import { LabelList } from '../component/LabelList';
import { filterProps } from '../util/types';
export var Radar = /*#__PURE__*/function (_PureComponent) {
  _inherits(Radar, _PureComponent);

  var _super = _createSuper(Radar);

  function Radar() {
    var _this;

    _classCallCheck(this, Radar);

    for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
      args[_key] = arguments[_key];
    }

    _this = _super.call.apply(_super, [this].concat(args));
    _this.state = {
      isAnimationFinished: false
    };

    _this.handleAnimationEnd = function () {
      var onAnimationEnd = _this.props.onAnimationEnd;

      _this.setState({
        isAnimationFinished: true
      });

      if (_isFunction(onAnimationEnd)) {
        onAnimationEnd();
      }
    };

    _this.handleAnimationStart = function () {
      var onAnimationStart = _this.props.onAnimationStart;

      _this.setState({
        isAnimationFinished: false
      });

      if (_isFunction(onAnimationStart)) {
        onAnimationStart();
      }
    };

    _this.handleMouseEnter = function (e) {
      var onMouseEnter = _this.props.onMouseEnter;

      if (onMouseEnter) {
        onMouseEnter(_this.props, e);
      }
    };

    _this.handleMouseLeave = function (e) {
      var onMouseLeave = _this.props.onMouseLeave;

      if (onMouseLeave) {
        onMouseLeave(_this.props, e);
      }
    };

    return _this;
  }

  _createClass(Radar, [{
    key: "renderDots",
    value: function renderDots(points) {
      var _this$props = this.props,
          dot = _this$props.dot,
          dataKey = _this$props.dataKey;
      var baseProps = filterProps(this.props);
      var customDotProps = filterProps(dot);
      var dots = points.map(function (entry, i) {
        var dotProps = _objectSpread(_objectSpread(_objectSpread({
          key: "dot-".concat(i),
          r: 3
        }, baseProps), customDotProps), {}, {
          dataKey: dataKey,
          cx: entry.x,
          cy: entry.y,
          index: i,
          payload: entry
        });

        return Radar.renderDotItem(dot, dotProps);
      });
      return /*#__PURE__*/React.createElement(Layer, {
        className: "recharts-radar-dots"
      }, dots);
    }
  }, {
    key: "renderPolygonStatically",
    value: function renderPolygonStatically(points) {
      var _this$props2 = this.props,
          shape = _this$props2.shape,
          dot = _this$props2.dot,
          isRange = _this$props2.isRange,
          baseLinePoints = _this$props2.baseLinePoints,
          connectNulls = _this$props2.connectNulls;
      var radar;

      if ( /*#__PURE__*/React.isValidElement(shape)) {
        radar = /*#__PURE__*/React.cloneElement(shape, _objectSpread(_objectSpread({}, this.props), {}, {
          points: points
        }));
      } else if (_isFunction(shape)) {
        radar = shape(_objectSpread(_objectSpread({}, this.props), {}, {
          points: points
        }));
      } else {
        radar = /*#__PURE__*/React.createElement(Polygon, _extends({}, filterProps(this.props, true), {
          onMouseEnter: this.handleMouseEnter,
          onMouseLeave: this.handleMouseLeave,
          points: points,
          baseLinePoints: isRange ? baseLinePoints : null,
          connectNulls: connectNulls
        }));
      }

      return /*#__PURE__*/React.createElement(Layer, {
        className: "recharts-radar-polygon"
      }, radar, dot ? this.renderDots(points) : null);
    }
  }, {
    key: "renderPolygonWithAnimation",
    value: function renderPolygonWithAnimation() {
      var _this2 = this;

      var _this$props3 = this.props,
          points = _this$props3.points,
          isAnimationActive = _this$props3.isAnimationActive,
          animationBegin = _this$props3.animationBegin,
          animationDuration = _this$props3.animationDuration,
          animationEasing = _this$props3.animationEasing,
          animationId = _this$props3.animationId;
      var prevPoints = this.state.prevPoints;
      return /*#__PURE__*/React.createElement(Animate, {
        begin: animationBegin,
        duration: animationDuration,
        isActive: isAnimationActive,
        easing: animationEasing,
        from: {
          t: 0
        },
        to: {
          t: 1
        },
        key: "radar-".concat(animationId),
        onAnimationEnd: this.handleAnimationEnd,
        onAnimationStart: this.handleAnimationStart
      }, function (_ref) {
        var t = _ref.t;
        var prevPointsDiffFactor = prevPoints && prevPoints.length / points.length;
        var stepData = points.map(function (entry, index) {
          var prev = prevPoints && prevPoints[Math.floor(index * prevPointsDiffFactor)];

          if (prev) {
            var _interpolatorX = interpolateNumber(prev.x, entry.x);

            var _interpolatorY = interpolateNumber(prev.y, entry.y);

            return _objectSpread(_objectSpread({}, entry), {}, {
              x: _interpolatorX(t),
              y: _interpolatorY(t)
            });
          }

          var interpolatorX = interpolateNumber(entry.cx, entry.x);
          var interpolatorY = interpolateNumber(entry.cy, entry.y);
          return _objectSpread(_objectSpread({}, entry), {}, {
            x: interpolatorX(t),
            y: interpolatorY(t)
          });
        });
        return _this2.renderPolygonStatically(stepData);
      });
    }
  }, {
    key: "renderPolygon",
    value: function renderPolygon() {
      var _this$props4 = this.props,
          points = _this$props4.points,
          isAnimationActive = _this$props4.isAnimationActive,
          isRange = _this$props4.isRange;
      var prevPoints = this.state.prevPoints;

      if (isAnimationActive && points && points.length && !isRange && (!prevPoints || !_isEqual(prevPoints, points))) {
        return this.renderPolygonWithAnimation();
      }

      return this.renderPolygonStatically(points);
    }
  }, {
    key: "render",
    value: function render() {
      var _this$props5 = this.props,
          hide = _this$props5.hide,
          className = _this$props5.className,
          points = _this$props5.points,
          isAnimationActive = _this$props5.isAnimationActive;

      if (hide || !points || !points.length) {
        return null;
      }

      var isAnimationFinished = this.state.isAnimationFinished;
      var layerClass = classNames('recharts-radar', className);
      return /*#__PURE__*/React.createElement(Layer, {
        className: layerClass
      }, this.renderPolygon(), (!isAnimationActive || isAnimationFinished) && LabelList.renderCallByParent(this.props, points));
    }
  }], [{
    key: "getDerivedStateFromProps",
    value: function getDerivedStateFromProps(nextProps, prevState) {
      if (nextProps.animationId !== prevState.prevAnimationId) {
        return {
          prevAnimationId: nextProps.animationId,
          curPoints: nextProps.points,
          prevPoints: prevState.curPoints
        };
      }

      if (nextProps.points !== prevState.curPoints) {
        return {
          curPoints: nextProps.points
        };
      }

      return null;
    }
  }, {
    key: "renderDotItem",
    value: function renderDotItem(option, props) {
      var dotItem;

      if ( /*#__PURE__*/React.isValidElement(option)) {
        dotItem = /*#__PURE__*/React.cloneElement(option, props);
      } else if (_isFunction(option)) {
        dotItem = option(props);
      } else {
        dotItem = /*#__PURE__*/React.createElement(Dot, _extends({}, props, {
          className: "recharts-radar-dot"
        }));
      }

      return dotItem;
    }
  }]);

  return Radar;
}(PureComponent);
Radar.displayName = 'Radar';
Radar.defaultProps = {
  angleAxisId: 0,
  radiusAxisId: 0,
  hide: false,
  activeDot: true,
  dot: false,
  legendType: 'rect',
  isAnimationActive: !Global.isSsr,
  animationBegin: 0,
  animationDuration: 1500,
  animationEasing: 'ease'
};

Radar.getComposedData = function (_ref2) {
  var radiusAxis = _ref2.radiusAxis,
      angleAxis = _ref2.angleAxis,
      displayedData = _ref2.displayedData,
      dataKey = _ref2.dataKey,
      bandSize = _ref2.bandSize;
  var cx = angleAxis.cx,
      cy = angleAxis.cy;
  var isRange = false;
  var points = [];
  displayedData.forEach(function (entry, i) {
    var name = getValueByDataKey(entry, angleAxis.dataKey, i);
    var value = getValueByDataKey(entry, dataKey);
    var angle = angleAxis.scale(name) + (bandSize || 0);
    var pointValue = _isArray(value) ? _last(value) : value;
    var radius = _isNil(pointValue) ? undefined : radiusAxis.scale(pointValue);

    if (_isArray(value) && value.length >= 2) {
      isRange = true;
    }

    points.push(_objectSpread(_objectSpread({}, polarToCartesian(cx, cy, radius, angle)), {}, {
      name: name,
      value: value,
      cx: cx,
      cy: cy,
      radius: radius,
      angle: angle,
      payload: entry
    }));
  });
  var baseLinePoints = [];

  if (isRange) {
    points.forEach(function (point) {
      if (_isArray(point.value)) {
        var baseValue = _first(point.value);

        var radius = _isNil(baseValue) ? undefined : radiusAxis.scale(baseValue);
        baseLinePoints.push(_objectSpread(_objectSpread({}, point), {}, {
          radius: radius
        }, polarToCartesian(cx, cy, radius, point.angle)));
      } else {
        baseLinePoints.push(point);
      }
    });
  }

  return {
    points: points,
    isRange: isRange,
    baseLinePoints: baseLinePoints
  };
};