kepler.gl/dist/reducers/map-state-updaters.js

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

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.toggleSplitMapUpdater = exports.receiveMapConfigUpdater = exports.togglePerspectiveUpdater = exports.fitBoundsUpdater = exports.updateMapUpdater = undefined;

var _extends2 = require('babel-runtime/helpers/extends');

var _extends3 = _interopRequireDefault(_extends2);

var _geoViewport = require('@mapbox/geo-viewport');

var _geoViewport2 = _interopRequireDefault(_geoViewport);

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

/* Updaters */
var updateMapUpdater = exports.updateMapUpdater = function updateMapUpdater(state, action) {
  return (0, _extends3.default)({}, state, action.payload || {});
}; // Copyright (c) 2018 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

var fitBoundsUpdater = exports.fitBoundsUpdater = function fitBoundsUpdater(state, action) {
  var bounds = action.payload;

  var _geoViewport$viewport = _geoViewport2.default.viewport(bounds, [state.width, state.height]),
      center = _geoViewport$viewport.center,
      zoom = _geoViewport$viewport.zoom;

  return (0, _extends3.default)({}, state, {
    latitude: center[1],
    longitude: center[0],
    zoom: zoom
  });
};

var togglePerspectiveUpdater = exports.togglePerspectiveUpdater = function togglePerspectiveUpdater(state, action) {
  return (0, _extends3.default)({}, state, {
    pitch: state.dragRotate ? 0 : 50,
    bearing: state.dragRotate ? 0 : 24
  }, {
    dragRotate: !state.dragRotate
  });
};

// consider case where you have a split map and user wants to reset
var receiveMapConfigUpdater = exports.receiveMapConfigUpdater = function receiveMapConfigUpdater(state, action) {
  var _ref = action.payload.mapState || {},
      _ref$isSplit = _ref.isSplit,
      isSplit = _ref$isSplit === undefined ? false : _ref$isSplit;

  return (0, _extends3.default)({}, state, action.payload.mapState || {}, {
    isSplit: isSplit
  }, getMapDimForSplitMap(isSplit, state));
};

var toggleSplitMapUpdater = exports.toggleSplitMapUpdater = function toggleSplitMapUpdater(state, action) {
  return (0, _extends3.default)({}, state, {
    isSplit: !state.isSplit
  }, getMapDimForSplitMap(!state.isSplit, state));
};

// Helpers
function getMapDimForSplitMap(isSplit, state) {
  // cases:
  // 1. state split: true - isSplit: true
  // do nothing
  // 2. state split: false - isSplit: false
  // do nothing
  if (state.isSplit === isSplit) {
    return {};
  }

  var width = state.isSplit && !isSplit ?
  // 3. state split: true - isSplit: false
  // double width
  state.width * 2
  // 4. state split: false - isSplit: true
  // split width
  : state.width / 2;

  return {
    width: width
  };
}
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