victory-chart/lib/components/victory-scatter/helper-methods.js

Chart Component for Victory

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _values = require("lodash/values");

var _values2 = _interopRequireDefault(_values);

var _victoryCore = require("victory-core");

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

function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }

exports.default = {
  getSymbol: function getSymbol(data, props) {
    if (props.bubbleProperty) {
      return "circle";
    }
    return data.symbol || props.symbol;
  },
  getBubbleSize: function getBubbleSize(datum, props, calculatedProps) {
    var data = calculatedProps.data;
    var z = calculatedProps.z;

    var getMaxRadius = function getMaxRadius() {
      var minPadding = Math.min.apply(Math, _toConsumableArray((0, _values2.default)(_victoryCore.Helpers.getPadding(props))));
      return Math.max(minPadding, 5);
    };
    var zData = data.map(function (point) {
      return point.z;
    });
    var zMin = Math.min.apply(Math, _toConsumableArray(zData));
    var zMax = Math.max.apply(Math, _toConsumableArray(zData));
    var maxRadius = props.maxBubbleSize || getMaxRadius();
    var maxArea = Math.PI * Math.pow(maxRadius, 2);
    var area = (datum[z] - zMin) / (zMax - zMin) * maxArea;
    var radius = Math.sqrt(area / Math.PI);
    return Math.max(radius, 1);
  },
  getSize: function getSize(data, props, calculatedProps) {
    if (data.size) {
      return typeof data.size === "function" ? data.size : Math.max(data.size, 1);
    } else if (typeof props.size === "function") {
      return props.size;
    } else if (data[calculatedProps.z]) {
      return this.getBubbleSize(data, props, calculatedProps);
    } else {
      return Math.max(props.size, 1);
    }
  }
};