d3-graph-qbt/lib/components/group/group.helper.js

React component to build interactive and configurable graphs with d3 effortlessly

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.getGroupNodes = exports.createGroupPolygon = void 0;

var _react = _interopRequireDefault(require("react"));

var _d = require("d3");

var _geometryHelper = require("../../helpers/geometryHelper");

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

function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }

function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }

function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(n); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }

function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter)) return Array.from(iter); }

function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }

function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }

var _createGroupPolygonLine = (0, _d.line)().x(function (d) {
  return d[0];
}).y(function (d) {
  return d[1];
}).curve(_d.curveCatmullRomClosed);

var _createPolygonBiasedFromCentroid = function _createPolygonBiasedFromCentroid(polygon, centroid) {
  return polygon.map(function (point) {
    return [point[0] - centroid[0], point[1] - centroid[1]];
  });
};

var createGroupPolygon = function createGroupPolygon(nodes) {
  // TODO: возвращать по-умолчанию если все координаты нод === 0
  var nodeCoords = nodes.map(function (d) {
    return [d.x, d.y];
  });

  try {
    var _createPolygon = (0, _geometryHelper.createPolygon)(nodeCoords),
        _polygon = _createPolygon.polygon,
        _centroid = _createPolygon.centroid;

    var biasedPolygonPoints = _createPolygonBiasedFromCentroid(_polygon, _centroid);

    var biasedPolygon = _createGroupPolygonLine(biasedPolygonPoints);

    return {
      polygon: biasedPolygon,
      centroid: _centroid
    };
  } catch (_unused) {
    return {
      polygon: "",
      centroid: [0, 0]
    };
  }

  var polygon = (0, _d.polygonHull)(nodeCoords);
  var centroid = (0, _d.polygonCentroid)(polygon);
  var unbiasedPolygonPoints = polygon.map(function (point) {
    return [point[0] - centroid[0], point[1] - centroid[1]];
  });

  var unbiasedPolygon = _createGroupPolygonLine(unbiasedPolygonPoints);

  return {
    polygon: unbiasedPolygon,
    centroid: centroid
  };
};

exports.createGroupPolygon = createGroupPolygon;

var getGroupNodes = function getGroupNodes(nodes) {
  return Object.values(nodes).reduce(function (aggregator, node) {
    if (!node.groups || !node.groups.length) {
      return aggregator;
    }

    var groups = node.groups;
    groups.forEach(function (group) {
      if (!aggregator[group]) {
        aggregator[group] = [node];
      } else {
        aggregator[group] = [].concat(_toConsumableArray(aggregator[group]), [node]);
      }
    });
    return aggregator;
  }, {});
};

exports.getGroupNodes = getGroupNodes;