kepler.gl
Version:
kepler.gl is a webgl based application to visualize large scale location data in the browser
271 lines (217 loc) • 20.4 kB
JavaScript
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _extends2 = require('babel-runtime/helpers/extends');
var _extends3 = _interopRequireDefault(_extends2);
var _classCallCheck2 = require('babel-runtime/helpers/classCallCheck');
var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);
var _createClass2 = require('babel-runtime/helpers/createClass');
var _createClass3 = _interopRequireDefault(_createClass2);
var _window = require('global/window');
var _visStateSchema = require('./vis-state-schema');
var _visStateSchema2 = _interopRequireDefault(_visStateSchema);
var _datasetSchema = require('./dataset-schema');
var _datasetSchema2 = _interopRequireDefault(_datasetSchema);
var _mapStyleSchema = require('./map-style-schema');
var _mapStyleSchema2 = _interopRequireDefault(_mapStyleSchema);
var _mapStateSchema = require('./map-state-schema');
var _mapStateSchema2 = _interopRequireDefault(_mapStateSchema);
var _versions = require('./versions');
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
// 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 REDUCER_SCHEMAS = {
visState: _visStateSchema2.default,
mapState: _mapStateSchema2.default,
mapStyle: _mapStyleSchema2.default
};
var KeplerGLSchema = function () {
function KeplerGLSchema() {
(0, _classCallCheck3.default)(this, KeplerGLSchema);
this._validVersions = _versions.VERSIONS;
this._version = _versions.CURRENT_VERSION;
this._reducerSchemas = REDUCER_SCHEMAS;
this._datasetSchema = _datasetSchema2.default;
this._datasetLastSaved = null;
this._savedDataset = null;
}
/**
* stateToSave = {
* datasets: [
* {
* version: 'v0',
* data: {id, label, color, allData, fields}
* },
* {
* version: 'v0',
* data: {id, label, color, allData, fields}
* }
* ],
* config: {
* version: 'v0',
* config: {}
* },
* info: {
* app: 'kepler.gl',
* create_at: 'Mon May 28 2018 21:04:46 GMT-0700 (PDT)'
* }
* }
*
* Get config and data of current map to save
* @param {Object} state
* @returns {Object | null} app state to save
*/
(0, _createClass3.default)(KeplerGLSchema, [{
key: 'save',
value: function save(state) {
return {
datasets: this.getDatasetToSave(state),
config: this.getConfigToSave(state),
info: {
app: 'kepler.gl',
created_at: new Date().toString()
}
};
}
}, {
key: 'load',
value: function load(savedDatasets, savedConfig) {
return {
datasets: this.parseSavedData(savedDatasets),
config: savedConfig ? this.parseSavedConfig(savedConfig) : undefined
};
}
/**
* Get data to save
* @param {Object} state - app state
* @returns {{version: String, data: Object}} - dataset to save
*/
}, {
key: 'getDatasetToSave',
value: function getDatasetToSave(state) {
var _this = this;
var dataChangedSinceLastSave = this.hasDataChanged(state);
if (!dataChangedSinceLastSave) {
return this._savedDataset;
}
var visState = state.visState;
var datasets = Object.values(visState.datasets).map(function (ds) {
return {
version: _this._version,
data: _this._datasetSchema[_this._version].save(ds)
};
});
// keep a copy of formatted datasets to save
this._datasetLastSaved = visState.datasets;
this._savedDataset = datasets;
return datasets;
}
/**
* Get App config to save
* @param {Object} state - app state
* @returns {{version: String, config: Object}} - config to save
*/
}, {
key: 'getConfigToSave',
value: function getConfigToSave(state) {
var _this2 = this;
var config = Object.keys(this._reducerSchemas).reduce(function (accu, key) {
return (0, _extends3.default)({}, accu, _this2._reducerSchemas[key][_this2._version].save(state[key]));
}, {});
return {
version: this._version,
config: config
};
}
/**
* Parse saved data
* @param {Array} datasets
* @returns {Object | null} - data to save
*/
}, {
key: 'parseSavedData',
value: function parseSavedData(datasets) {
var _this3 = this;
return datasets.reduce(function (accu, ds) {
var validVersion = _this3.validateVersion(ds.version);
if (!validVersion) {
return accu;
}
accu.push(_this3._datasetSchema[validVersion].load(ds.data));
return accu;
}, []);
}
/**
* Parse saved App config
* @param {String} opt.version - config version
* @param {Object} opt.config - saved config
* @param {Object} state - current App State
* @returns {Object | null} - parsed config
*/
}, {
key: 'parseSavedConfig',
value: function parseSavedConfig(_ref) {
var _this4 = this;
var version = _ref.version,
config = _ref.config;
var state = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
var validVersion = this.validateVersion(version);
if (!validVersion) {
return null;
}
return Object.keys(config).reduce(function (accu, key) {
return (0, _extends3.default)({}, accu, key in _this4._reducerSchemas ? _this4._reducerSchemas[key][validVersion].load(config[key], state[key]) : {});
}, {});
}
/**
* Validate version
* @param {String} version
* @returns {String | null} validVersion
*/
}, {
key: 'validateVersion',
value: function validateVersion(version) {
if (!version) {
_window.console.error('There is no version number associated with this saved map');
return null;
}
if (!this._validVersions[version]) {
_window.console.error(version + ' is not a valid version');
return null;
}
return version;
}
/**
* Check if data has changed since last save
* @param {Object} state
* @returns {boolean} - whether data has changed or not
*/
}, {
key: 'hasDataChanged',
value: function hasDataChanged(state) {
return this._datasetLastSaved !== state.visState.datasets;
}
}]);
return KeplerGLSchema;
}();
var KeplerGLSchemaManager = new KeplerGLSchema();
exports.default = KeplerGLSchemaManager;
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IN NO EVENT SHALL THE\n// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n// THE SOFTWARE.\n\nimport {console as Console} from 'global/window';\n\nimport visStateSchema from './vis-state-schema';\nimport datasetSchema from './dataset-schema';\nimport mapStyleSchema from './map-style-schema';\nimport mapStateSchema from './map-state-schema';\n\nimport {CURRENT_VERSION, VERSIONS} from './versions';\n\nconst REDUCER_SCHEMAS = {\n  visState: visStateSchema,\n  mapState: mapStateSchema,\n  mapStyle: mapStyleSchema\n};\n\nclass KeplerGLSchema {\n  constructor() {\n    this._validVersions = VERSIONS;\n    this._version = CURRENT_VERSION;\n    this._reducerSchemas = REDUCER_SCHEMAS;\n    this._datasetSchema = datasetSchema;\n\n    this._datasetLastSaved = null;\n    this._savedDataset = null;\n  }\n\n  /**\n   * stateToSave = {\n   *   datasets: [\n   *     {\n   *       version: 'v0',\n   *       data: {id, label, color, allData, fields}\n   *     },\n   *     {\n   *       version: 'v0',\n   *       data: {id, label, color, allData, fields}\n   *     }\n   *   ],\n   *   config: {\n   *     version: 'v0',\n   *     config: {}\n   *   },\n   *   info: {\n   *     app: 'kepler.gl',\n   *     create_at: 'Mon May 28 2018 21:04:46 GMT-0700 (PDT)'\n   *   }\n   * }\n   *\n   * Get config and data of current map to save\n   * @param {Object} state\n   * @returns {Object | null} app state to save\n   */\n  save(state) {\n    return {\n      datasets: this.getDatasetToSave(state),\n      config: this.getConfigToSave(state),\n      info: {\n        app: 'kepler.gl',\n        created_at: new Date().toString()\n      }\n    };\n  }\n\n  load(savedDatasets, savedConfig) {\n    return {\n      datasets: this.parseSavedData(savedDatasets),\n      config: savedConfig ? this.parseSavedConfig(savedConfig) : undefined\n    };\n  }\n\n  /**\n   * Get data to save\n   * @param {Object} state - app state\n   * @returns {{version: String, data: Object}} - dataset to save\n   */\n  getDatasetToSave(state) {\n    const dataChangedSinceLastSave = this.hasDataChanged(state);\n    if (!dataChangedSinceLastSave) {\n      return this._savedDataset;\n    }\n\n    const {visState} = state;\n\n    const datasets = Object.values(visState.datasets).map(ds => ({\n      version: this._version,\n      data: this._datasetSchema[this._version].save(ds)\n    }));\n\n    // keep a copy of formatted datasets to save\n    this._datasetLastSaved = visState.datasets;\n    this._savedDataset = datasets;\n\n    return datasets;\n  }\n\n  /**\n   * Get App config to save\n   * @param {Object} state - app state\n   * @returns {{version: String, config: Object}} - config to save\n   */\n  getConfigToSave(state) {\n    const config = Object.keys(this._reducerSchemas).reduce(\n      (accu, key) => ({\n        ...accu,\n        ...this._reducerSchemas[key][this._version].save(state[key])\n      }),\n      {}\n    );\n\n    return {\n      version: this._version,\n      config\n    };\n  }\n\n  /**\n   * Parse saved data\n   * @param {Array} datasets\n   * @returns {Object | null} - data to save\n   */\n  parseSavedData(datasets) {\n    return datasets.reduce((accu, ds) => {\n      const validVersion = this.validateVersion(ds.version);\n      if (!validVersion) {\n        return accu;\n      }\n      accu.push(this._datasetSchema[validVersion].load(ds.data));\n      return accu;\n    }, []);\n  }\n\n  /**\n   * Parse saved App config\n   * @param {String} opt.version - config version\n   * @param {Object} opt.config - saved config\n   * @param {Object} state - current App State\n   * @returns {Object | null} - parsed config\n   */\n  parseSavedConfig({version, config}, state = {}) {\n    const validVersion = this.validateVersion(version);\n    if (!validVersion) {\n      return null;\n    }\n\n    return Object.keys(config).reduce(\n      (accu, key) => ({\n          ...accu,\n          ...(key in this._reducerSchemas\n            ? this._reducerSchemas[key][validVersion].load(\n                config[key],\n                state[key]\n              )\n            : {})\n        }),\n      {}\n    );\n  }\n\n  /**\n   * Validate version\n   * @param {String} version\n   * @returns {String | null} validVersion\n   */\n  validateVersion(version) {\n    if (!version) {\n      Console.error(\n        'There is no version number associated with this saved map'\n      );\n      return null;\n    }\n\n    if (!this._validVersions[version]) {\n      Console.error(`${version} is not a valid version`);\n      return null;\n    }\n\n    return version;\n  }\n\n  /**\n   * Check if data has changed since last save\n   * @param {Object} state\n   * @returns {boolean} - whether data has changed or not\n   */\n  hasDataChanged(state) {\n    return this._datasetLastSaved !== state.visState.datasets;\n  }\n}\n\nconst KeplerGLSchemaManager = new KeplerGLSchema();\n\nexport default KeplerGLSchemaManager;\n"]}