backendless/es/data/geo/geo-constructor.js

Backendless JavaScript SDK for Node.js and the browser

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.GEO_CLASSES = void 0;
exports["default"] = geoConstructor;
var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));
var _toArray2 = _interopRequireDefault(require("@babel/runtime/helpers/toArray"));
var _slicedToArray2 = _interopRequireDefault(require("@babel/runtime/helpers/slicedToArray"));
var _point = _interopRequireDefault(require("./point"));
var _linestring = _interopRequireDefault(require("./linestring"));
var _polygon = _interopRequireDefault(require("./polygon"));
var _constants = require("./constants");
var _spatialReferenceSystem = _interopRequireDefault(require("./spatial-reference-system"));
var _Constructors;
var GEO_CLASSES = ['com.backendless.persistence.Polygon', 'com.backendless.persistence.LineString', 'com.backendless.persistence.Point', 'com.backendless.persistence.Geometry'];
exports.GEO_CLASSES = GEO_CLASSES;
var pointConstructor = function pointConstructor(coordinates, srs) {
  var _coordinates = (0, _slicedToArray2["default"])(coordinates, 2),
    x = _coordinates[0],
    y = _coordinates[1];
  return new _point["default"](srs).setX(x).setY(y);
};
var lineStringConstructor = function lineStringConstructor(coordinates, srs) {
  var points = coordinates.map(function (coordsPair) {
    return pointConstructor(coordsPair, srs);
  });
  return new _linestring["default"](points, srs);
};
var polygonConstructor = function polygonConstructor(coordinates, srs) {
  var lineStrings = coordinates.map(function (lineString) {
    return lineStringConstructor(lineString, srs);
  });
  var _lineStrings = (0, _toArray2["default"])(lineStrings),
    boundary = _lineStrings[0],
    holes = _lineStrings.slice(1);
  return new _polygon["default"](boundary, holes, srs);
};
var Constructors = (_Constructors = {}, (0, _defineProperty2["default"])(_Constructors, _constants.GeoTypes.POINT, pointConstructor), (0, _defineProperty2["default"])(_Constructors, _constants.GeoTypes.LINE_STRING, lineStringConstructor), (0, _defineProperty2["default"])(_Constructors, _constants.GeoTypes.POLYGON, polygonConstructor), _Constructors);
function geoConstructor(geoObject, srs) {
  var constructor = Constructors[geoObject.type];
  srs = srs || _spatialReferenceSystem["default"].valueBySRSId(geoObject.srsId);
  if (constructor) {
    return constructor(geoObject.coordinates, srs);
  }
  throw new Error("There is no constructor for ".concat(geoObject.type));
}