kepler.gl/dist/utils/split-map-utils.js

kepler.gl is a webgl based application to visualize large scale location data in the browser

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.addNewLayersToSplitMap = addNewLayersToSplitMap;
exports.removeLayerFromSplitMaps = removeLayerFromSplitMaps;
exports.getInitialMapLayersForSplitMap = getInitialMapLayersForSplitMap;
exports.computeSplitMapLayers = computeSplitMapLayers;

var _typeof2 = _interopRequireDefault(require("@babel/runtime/helpers/typeof"));

var _objectWithoutProperties2 = _interopRequireDefault(require("@babel/runtime/helpers/objectWithoutProperties"));

var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));

var _lodash = _interopRequireDefault(require("lodash.clonedeep"));

function _toPropertyKey(arg) { var key = _toPrimitive(arg, "string"); return (0, _typeof2["default"])(key) === "symbol" ? key : String(key); }

function _toPrimitive(input, hint) { if ((0, _typeof2["default"])(input) !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if ((0, _typeof2["default"])(res) !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? String : Number)(input); }

function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }

function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { (0, _defineProperty2["default"])(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }

/**
 * Add new layers to both existing maps
 * @param {Object} splitMaps
 * @param {Object|Array<Object>} layers
 * @returns {Array<Object>} new splitMaps
 */
function addNewLayersToSplitMap(splitMaps, layers) {
  var newLayers = Array.isArray(layers) ? layers : [layers];

  if (!splitMaps.length || !newLayers.length) {
    return splitMaps;
  } // add new layer to both maps,
  // don't override, if layer.id is already in splitMaps


  return splitMaps.map(function (settings) {
    return _objectSpread({}, settings, {
      layers: _objectSpread({}, settings.layers, {}, newLayers.reduce(function (accu, newLayer) {
        return [newLayer.id] in settings.layers || !newLayer.config.isVisible ? accu : _objectSpread({}, accu, (0, _defineProperty2["default"])({}, newLayer.id, newLayer.config.isVisible));
      }, {}))
    });
  });
}
/**
 * Remove an existing layer from split map settings
 * @param {Object} splitMaps
 * @param {Object} layer
 * @returns {Object} Maps of custom layer objects
 */


function removeLayerFromSplitMaps(splitMaps, layer) {
  if (!splitMaps.length) {
    return splitMaps;
  }

  return splitMaps.map(function (settings) {
    // eslint-disable-next-line no-unused-vars
    var _settings$layers = settings.layers,
        _layer$id = layer.id,
        _ = _settings$layers[_layer$id],
        newLayers = (0, _objectWithoutProperties2["default"])(_settings$layers, [_layer$id].map(_toPropertyKey));
    return _objectSpread({}, settings, {
      layers: newLayers
    });
  });
}
/**
 * This method will compute the default maps layer settings
 * based on the current layers visibility
 * @param {Array<Object>} layers
 * @returns {Array<Object>} layer visibility for each panel
 */


function getInitialMapLayersForSplitMap(layers) {
  return layers.filter(function (layer) {
    return layer.config.isVisible;
  }).reduce(function (newLayers, currentLayer) {
    return _objectSpread({}, newLayers, (0, _defineProperty2["default"])({}, currentLayer.id, currentLayer.config.isVisible));
  }, {});
}
/**
 * This method will get default splitMap settings based on existing layers
 * @param {Array<Object>} layers
 * @returns {Array<Object>} split map settings
 */


function computeSplitMapLayers(layers) {
  var mapLayers = getInitialMapLayersForSplitMap(layers);
  return [{
    layers: mapLayers
  }, {
    layers: (0, _lodash["default"])(mapLayers)
  }];
}
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