text: /**
   * @license Highcharts JS v7.1.3 (2019-08-14)
   *
   * Dependency wheel module
   *
   * (c) 2010-2018 Torstein Honsi
   *
   * License: www.highcharts.com/license
   */
  'use strict';
  (function (factory) {
      if (typeof module === 'object' && module.exports) {
          factory['default'] = factory;
          module.exports = factory;
      } else if (typeof define === 'function' && define.amd) {
          define('highcharts/modules/dependency-wheel', ['highcharts', 'highcharts/modules/sankey'], function (Highcharts) {
              factory(Highcharts);
              factory.Highcharts = Highcharts;
              return factory;
          });
      } else {
          factory(typeof Highcharts !== 'undefined' ? Highcharts : undefined);
      }
  }(function (Highcharts) {
      var _modules = Highcharts ? Highcharts._modules : {};
      function _registerModule(obj, path, args, fn) {
          if (!obj.hasOwnProperty(path)) {
              obj[path] = fn.apply(null, args);
          }
      }
      _registerModule(_modules, 'modules/dependency-wheel.src.js', [_modules['parts/Globals.js']], function (H) {
          /* *
           * Dependency wheel module
           *
           * (c) 2018-2019 Torstein Honsi
           *
           * License: www.highcharts.com/license
           */
  
  
  
          var base = H.seriesTypes.sankey.prototype;
  
          /**
           * @private
           * @class
           * @name Highcharts.seriesTypes.dependencywheel
           *
           * @augments Highcharts.seriesTypes.sankey
           */
          H.seriesType(
              'dependencywheel',
              'sankey',
              /**
               * A dependency wheel chart is a type of flow diagram, where all nodes are
               * laid out in a circle, and the flow between the are drawn as link bands.
               *
               * @sample highcharts/demo/dependency-wheel/
               *         Dependency wheel
               *
               * @extends      plotOptions.sankey
               * @since        7.1.0
               * @product      highcharts
               * @optionparent plotOptions.dependencywheel
               */
              {
                  /**
                   * The center of the wheel relative to the plot area. Can be
                   * percentages or pixel values. The default behaviour is to
                   * center the wheel inside the plot area.
                   *
                   * @type    {Array<number|string|null>}
                   * @default [null, null]
                   * @product highcharts
                   */
                  center: [null, null],
                  curveFactor: 0.6,
  
                  /**
                   * The start angle of the dependency wheel, in degrees where 0 is up.
                   */
                  startAngle: 0
              }, {
                  orderNodes: false,
                  getCenter: H.seriesTypes.pie.prototype.getCenter,
  
                  // Dependency wheel has only one column, it runs along the perimeter
                  createNodeColumns: function () {
                      var columns = [this.createNodeColumn()];
                      this.nodes.forEach(function (node) {
                          node.column = 0;
                          columns[0].push(node);
                      });
                      return columns;
                  },
  
                  // Translate from vertical pixels to perimeter
                  getNodePadding: function () {
                      return this.options.nodePadding / Math.PI;
                  },
  
                  createNode: function (id) {
                      var node = base.createNode.call(this, id);
                      node.index = this.nodes.length - 1;
  
                      // Return the sum of incoming and outgoing links
                      node.getSum = function () {
                          return node.linksFrom.concat(node.linksTo)
                              .reduce(function (acc, link) {
                                  return acc + link.weight;
                              }, 0);
                      };
  
                      // Get the offset in weight values of a point/link.
                      node.offset = function (point) {
  
                          var offset = 0,
                              i,
                              links = node.linksFrom.concat(node.linksTo),
                              sliced;
  
                          function otherNode(link) {
                              if (link.fromNode === node) {
                                  return link.toNode;
                              }
                              return link.fromNode;
                          }
  
                          // Sort and slice the links to avoid links going out of each
                          // node crossing each other.
                          links.sort(function (a, b) {
                              return otherNode(a).index - otherNode(b).index;
                          });
                          for (i = 0; i < links.length; i++) {
                              if (otherNode(links[i]).index > node.index) {
                                  links = links.slice(0, i).reverse().concat(
                                      links.slice(i).reverse()
                                  );
                                  sliced = true;
                                  break;
                              }
                          }
                          if (!sliced) {
                              links.reverse();
                          }
  
                          for (i = 0; i < links.length; i++) {
                              if (links[i] === point) {
                                  return offset;
                              }
                              offset += links[i].weight;
                          }
                      };
  
                      return node;
                  },
  
                  // @todo: Override the refactored sankey translateLink and translateNode
                  // functions instead of the whole translate function
                  translate: function () {
  
                      var options = this.options,
                          factor = 2 * Math.PI /
                              (this.chart.plotHeight + this.getNodePadding()),
                          center = this.getCenter(),
                          startAngle = (options.startAngle - 90) * H.deg2rad;
  
                      base.translate.call(this);
  
                      this.nodeColumns[0].forEach(function (node) {
                          var shapeArgs = node.shapeArgs,
                              centerX = center[0],
                              centerY = center[1],
                              r = center[2] / 2,
                              innerR = r - options.nodeWidth,
                              start = startAngle + factor * shapeArgs.y,
                              end = startAngle +
                                  factor * (shapeArgs.y + shapeArgs.height);
  
                          // Middle angle
                          node.angle = start + (end - start) / 2;
  
                          node.shapeType = 'arc';
                          node.shapeArgs = {
                              x: centerX,
                              y: centerY,
                              r: r,
                              innerR: innerR,
                              start: start,
                              end: end
                          };
  
                          node.dlBox = {
                              x: centerX + Math.cos((start + end) / 2) * (r + innerR) / 2,
                              y: centerY + Math.sin((start + end) / 2) * (r + innerR) / 2,
                              width: 1,
                              height: 1
                          };
  
                          // Draw the links from this node
                          node.linksFrom.forEach(function (point) {
                              var distance;
                              var corners = point.linkBase.map(function (top, i) {
                                  var angle = factor * top,
                                      x = Math.cos(startAngle + angle) * (innerR + 1),
                                      y = Math.sin(startAngle + angle) * (innerR + 1),
                                      curveFactor = options.curveFactor;
  
                                  // The distance between the from and to node along the
                                  // perimeter. This affect how curved the link is, so
                                  // that links between neighbours don't extend too far
                                  // towards the center.
                                  distance = Math.abs(
                                      point.linkBase[3 - i] * factor - angle
                                  );
                                  if (distance > Math.PI) {
                                      distance = 2 * Math.PI - distance;
                                  }
                                  distance = distance * innerR;
                                  if (distance < innerR) {
                                      curveFactor *= (distance / innerR);
                                  }
  
  
                                  return {
                                      x: centerX + x,
                                      y: centerY + y,
                                      cpX: centerX + (1 - curveFactor) * x,
                                      cpY: centerY + (1 - curveFactor) * y
                                  };
                              });
  
                              point.shapeArgs = {
                                  d: [
                                      'M',
                                      corners[0].x, corners[0].y,
                                      'A',
                                      innerR, innerR,
                                      0,
                                      0, // long arc
                                      1, // clockwise
                                      corners[1].x, corners[1].y,
                                      'C',
                                      corners[1].cpX, corners[1].cpY,
                                      corners[2].cpX, corners[2].cpY,
                                      corners[2].x, corners[2].y,
                                      'A',
                                      innerR, innerR,
                                      0,
                                      0,
                                      1,
                                      corners[3].x, corners[3].y,
                                      'C',
                                      corners[3].cpX, corners[3].cpY,
                                      corners[0].cpX, corners[0].cpY,
                                      corners[0].x, corners[0].y
                                  ]
                              };
  
                          });
  
                      });
                  },
  
                  animate: function (init) {
                      if (!init) {
                          var duration = H.animObject(this.options.animation).duration,
                              step = (duration / 2) / this.nodes.length;
                          this.nodes.forEach(function (point, i) {
                              var graphic = point.graphic;
                              if (graphic) {
                                  graphic.attr({ opacity: 0 });
                                  setTimeout(function () {
                                      graphic.animate(
                                          { opacity: 1 },
                                          { duration: step }
                                      );
                                  }, step * i);
                              }
                          }, this);
                          this.points.forEach(function (point) {
                              var graphic = point.graphic;
                              if (!point.isNode && graphic) {
                                  graphic.attr({ opacity: 0 })
                                      .animate({
                                          opacity: 1
                                      }, this.options.animation);
                              }
                          }, this);
  
                          this.animate = null;
                      }
                  }
              },
  
              // Point class
              {
                  setState: H.NodesMixin.setNodeState,
                  // Return a text path that the data label uses
                  getDataLabelPath: function (label) {
                      var renderer = this.series.chart.renderer,
                          shapeArgs = this.shapeArgs,
                          upperHalf = this.angle < 0 || this.angle > Math.PI,
                          start = shapeArgs.start,
                          end = shapeArgs.end;
  
                      if (!this.dataLabelPath) {
                          this.dataLabelPath = renderer
                              .arc({ open: true })
  
                              // Add it inside the data label group so it gets destroyed
                              // with the label
                              .add(label);
                      }
  
                      this.dataLabelPath.attr({
                          x: shapeArgs.x,
                          y: shapeArgs.y,
                          r: shapeArgs.r + (this.dataLabel.options.distance || 0),
                          start: (upperHalf ? start : end),
                          end: (upperHalf ? end : start),
                          clockwise: +upperHalf
                      });
  
                      return this.dataLabelPath;
                  },
                  isValid: function () {
                      // No null points here
                      return true;
                  }
              }
          );
  
          /**
           * A `dependencywheel` series. If the [type](#series.dependencywheel.type)
           * option is not specified, it is inherited from [chart.type](#chart.type).
           *
           * @extends   series,plotOptions.dependencywheel
           * @product   highcharts
           * @apioption series.dependencywheel
           */
  
          /**
           * A collection of options for the individual nodes. The nodes in a dependency
           * diagram are auto-generated instances of `Highcharts.Point`, but options can
           * be applied here and linked by the `id`.
           *
           * @extends   series.sankey.nodes
           * @type      {Array<*>}
           * @product   highcharts
           * @excluding offset
           * @apioption series.dependencywheel.nodes
           */
  
          /**
           * An array of data points for the series. For the `dependencywheel` series
           * type, points can be given in the following way:
           *
           * An array of objects with named values. The following snippet shows only a
           * few settings, see the complete options set below. If the total number of data
           * points exceeds the series' [turboThreshold](#series.area.turboThreshold),
           * this option is not available.
           *
           *  ```js
           *     data: [{
           *         from: 'Category1',
           *         to: 'Category2',
           *         weight: 2
           *     }, {
           *         from: 'Category1',
           *         to: 'Category3',
           *         weight: 5
           *     }]
           *  ```
           *
           * @type      {Array<*>}
           * @extends   series.sankey.data
           * @product   highcharts
           * @excluding outgoing, dataLabels
           * @apioption series.dependencywheel.data
           */
  
          /**
           * Individual data label for each node. The options are the same as
           * the ones for [series.dependencywheel.dataLabels](#series.dependencywheel.dataLabels).
           *
           * @apioption series.dependencywheel.nodes.dataLabels
           */
  
      });
      _registerModule(_modules, 'masters/modules/dependency-wheel.src.js', [], function () {
  
  
      });
  }));