kepler.gl
Version:
kepler.gl is a webgl based application to visualize large scale location data in the browser
254 lines (212 loc) • 22.6 kB
JavaScript
"use strict";
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
value: true
});
exports["default"] = void 0;
var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));
var _classCallCheck2 = _interopRequireDefault(require("@babel/runtime/helpers/classCallCheck"));
var _createClass2 = _interopRequireDefault(require("@babel/runtime/helpers/createClass"));
var _window = require("global/window");
var _visStateSchema = _interopRequireDefault(require("./vis-state-schema"));
var _datasetSchema = _interopRequireDefault(require("./dataset-schema"));
var _mapStyleSchema = _interopRequireDefault(require("./map-style-schema"));
var _mapStateSchema = _interopRequireDefault(require("./map-state-schema"));
var _versions = require("./versions");
var _utils = require("../utils/utils");
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; }
var REDUCER_SCHEMAS = {
visState: _visStateSchema["default"],
mapState: _mapStateSchema["default"],
mapStyle: _mapStyleSchema["default"]
};
var KeplerGLSchema =
/*#__PURE__*/
function () {
function KeplerGLSchema() {
(0, _classCallCheck2["default"])(this, KeplerGLSchema);
this._validVersions = _versions.VERSIONS;
this._version = _versions.CURRENT_VERSION;
this._reducerSchemas = REDUCER_SCHEMAS;
this._datasetSchema = _datasetSchema["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 {{datasets: Object[], config: Object, info: Object}} app state to save
*/
(0, _createClass2["default"])(KeplerGLSchema, [{
key: "save",
value: function save(state) {
return {
datasets: this.getDatasetToSave(state),
config: this.getConfigToSave(state),
info: _objectSpread({
app: 'kepler.gl',
created_at: new Date().toString()
}, this.getMapInfo(state))
};
}
}, {
key: "getMapInfo",
value: function getMapInfo(state) {
return state.visState.mapInfo;
}
/**
* Load saved map, argument can be (datasets, config) or ({datasets, config})
* @param {Object|Array<Object>} savedDatasets
* @param {Object} savedConfig
*/
}, {
key: "load",
value: function load(savedDatasets, savedConfig) {
// if pass dataset and config in as a single object
if (arguments.length === 1 && (0, _utils.isPlainObject)(arguments[0]) && (Array.isArray(arguments[0].datasets) || (0, _utils.isPlainObject)(arguments[0].config))) {
return this.load(arguments[0].datasets, arguments[0].config);
}
return _objectSpread({}, Array.isArray(savedDatasets) ? {
datasets: this.parseSavedData(savedDatasets)
} : {}, {}, savedConfig ? {
config: this.parseSavedConfig(savedConfig)
} : {});
}
/**
* 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 _objectSpread({}, accu, {}, state[key] ? _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 _objectSpread({}, accu, {}, key in _this4._reducerSchemas ? _this4._reducerSchemas[key][validVersion].load(config[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("".concat(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();
var _default = KeplerGLSchemaManager;
exports["default"] = _default;
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Copyright (c) 2020 Uber Technologies, Inc.\n//\n// Permission is hereby granted, free of charge, to any person obtaining a copy\n// of this software and associated documentation files (the \"Software\"), to deal\n// in the Software without restriction, including without limitation the rights\n// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n// copies of the Software, and to permit persons to whom the Software is\n// furnished to do so, subject to the following conditions:\n//\n// The above copyright notice and this permission notice shall be included in\n// all copies or substantial portions of the Software.\n//\n// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 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';\nimport {isPlainObject} from 'utils/utils';\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 {{datasets: Object[], config: Object, info: Object}} 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        ...this.getMapInfo(state)\n      }\n    };\n  }\n\n  getMapInfo(state) {\n    return state.visState.mapInfo;\n  }\n  /**\n   *  Load saved map, argument can be (datasets, config) or ({datasets, config})\n   * @param {Object|Array<Object>} savedDatasets\n   * @param {Object} savedConfig\n   */\n  load(savedDatasets, savedConfig) {\n    // if pass dataset and config in as a single object\n    if (\n      arguments.length === 1 &&\n      isPlainObject(arguments[0]) &&\n      (Array.isArray(arguments[0].datasets) || isPlainObject(arguments[0].config))\n    ) {\n      return this.load(arguments[0].datasets, arguments[0].config);\n    }\n\n    return {\n      ...(Array.isArray(savedDatasets) ? {datasets: this.parseSavedData(savedDatasets)} : {}),\n      ...(savedConfig ? {config: this.parseSavedConfig(savedConfig)} : {})\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        ...(state[key] ? 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(config[key])\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('There is no version number associated with this saved map');\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"]}