kepler.gl
Version:
kepler.gl is a webgl based application to visualize large scale location data in the browser
297 lines (234 loc) • 31.9 kB
JavaScript
;
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.isMSEdge = isMSEdge;
exports.getScaleFromImageSize = getScaleFromImageSize;
exports.calculateExportImageSize = calculateExportImageSize;
exports.convertToPng = convertToPng;
exports.dataURItoBlob = dataURItoBlob;
exports.downloadFile = downloadFile;
exports.exportImage = exportImage;
exports.exportToJsonString = exportToJsonString;
exports.getMapJSON = getMapJSON;
exports.exportJson = exportJson;
exports.exportHtml = exportHtml;
exports.exportData = exportData;
exports.exportMap = exportMap;
exports["default"] = exports.DEFAULT_EXPORT_JSON_SETTINGS = exports.DEFAULT_DATA_NAME = exports.DEFAULT_JSON_NAME = exports.DEFAULT_HTML_NAME = exports.DEFAULT_IMAGE_NAME = void 0;
var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));
var _domToImage = _interopRequireDefault(require("./dom-to-image"));
var _window = require("global/window");
var _defaultSettings = require("../constants/default-settings");
var _exportMapHtml = require("../templates/export-map-html");
var _dataProcessor = require("../processors/data-processor");
var _lodash = _interopRequireDefault(require("lodash.get"));
var _utils = require("./utils");
var _dataContainerUtils = require("./table-utils/data-container-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; }
/**
* Default file names
*/
var DEFAULT_IMAGE_NAME = 'kepler.gl.png';
exports.DEFAULT_IMAGE_NAME = DEFAULT_IMAGE_NAME;
var DEFAULT_HTML_NAME = 'kepler.gl.html';
exports.DEFAULT_HTML_NAME = DEFAULT_HTML_NAME;
var DEFAULT_JSON_NAME = 'kepler.gl.json';
exports.DEFAULT_JSON_NAME = DEFAULT_JSON_NAME;
var DEFAULT_DATA_NAME = 'kepler.gl';
/**
* Default json export settings
* @type {{hasData: boolean}}
*/
exports.DEFAULT_DATA_NAME = DEFAULT_DATA_NAME;
var DEFAULT_EXPORT_JSON_SETTINGS = {
hasData: true
};
exports.DEFAULT_EXPORT_JSON_SETTINGS = DEFAULT_EXPORT_JSON_SETTINGS;
var defaultResolution = _defaultSettings.EXPORT_IMG_RESOLUTION_OPTIONS.find(function (op) {
return op.id === _defaultSettings.RESOLUTIONS.ONE_X;
});
var defaultRatio = _defaultSettings.EXPORT_IMG_RATIO_OPTIONS.find(function (op) {
return op.id === _defaultSettings.EXPORT_IMG_RATIOS.FOUR_BY_THREE;
});
function isMSEdge(window) {
return Boolean(window.navigator && window.navigator.msSaveOrOpenBlob);
}
function getScaleFromImageSize() {
var imageW = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;
var imageH = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0;
var mapW = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 0;
var mapH = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : 0;
if ([imageW, imageH, mapW, mapH].some(function (d) {
return d <= 0;
})) {
return 1;
}
var base = imageW / imageH > 1 ? imageW : imageH;
var mapBase = imageW / imageH > 1 ? mapW : mapH;
return base / mapBase;
}
function calculateExportImageSize(_ref) {
var mapW = _ref.mapW,
mapH = _ref.mapH,
ratio = _ref.ratio,
resolution = _ref.resolution;
if (mapW <= 0 || mapH <= 0) {
return null;
}
var ratioItem = _defaultSettings.EXPORT_IMG_RATIO_OPTIONS.find(function (op) {
return op.id === ratio;
}) || defaultRatio;
var resolutionItem = _defaultSettings.EXPORT_IMG_RESOLUTION_OPTIONS.find(function (op) {
return op.id === resolution;
}) || defaultResolution;
var _resolutionItem$getSi = resolutionItem.getSize(mapW, mapH),
scaledWidth = _resolutionItem$getSi.width,
scaledHeight = _resolutionItem$getSi.height;
var _ratioItem$getSize = ratioItem.getSize(scaledWidth, scaledHeight),
imageW = _ratioItem$getSize.width,
imageH = _ratioItem$getSize.height;
var _ref2 = ratioItem.id === _defaultSettings.EXPORT_IMG_RATIOS.CUSTOM ? {} : resolutionItem,
scale = _ref2.scale;
return {
scale: scale,
imageW: imageW,
imageH: imageH
};
}
function convertToPng(sourceElem, options) {
return _domToImage["default"].toPng(sourceElem, options);
}
function dataURItoBlob(dataURI) {
var binary = (0, _window.atob)(dataURI.split(',')[1]); // separate out the mime component
var mimeString = dataURI.split(',')[0].split(':')[1].split(';')[0]; // write the bytes of the string to an ArrayBuffer
var ab = new _window.ArrayBuffer(binary.length); // create a view into the buffer
var ia = new _window.Uint8Array(ab);
for (var i = 0; i < binary.length; i++) {
ia[i] = binary.charCodeAt(i);
}
return new _window.Blob([ab], {
type: mimeString
});
}
function downloadFile(fileBlob, fileName) {
if (isMSEdge(window)) {
window.navigator.msSaveOrOpenBlob(fileBlob, fileName);
} else {
var url = _window.URL.createObjectURL(fileBlob);
var link = _window.document.createElement('a');
link.setAttribute('href', url);
link.setAttribute('download', fileName);
_window.document.body.appendChild(link);
link.click();
_window.document.body.removeChild(link);
_window.URL.revokeObjectURL(url);
}
}
function exportImage(state) {
var filename = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : DEFAULT_IMAGE_NAME;
var imageDataUri = state.uiState.exportImage.imageDataUri;
if (imageDataUri) {
var file = dataURItoBlob(imageDataUri);
downloadFile(file, filename);
}
}
function exportToJsonString(data) {
try {
return JSON.stringify(data);
} catch (e) {
return e.description;
}
}
function getMapJSON(state) {
var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : DEFAULT_EXPORT_JSON_SETTINGS;
var hasData = options.hasData;
var schema = state.visState.schema;
if (!hasData) {
return schema.getConfigToSave(state);
}
var mapToSave = schema.save(state); // add file name if title is not provided
var title = (0, _lodash["default"])(mapToSave, ['info', 'title']);
if (!title || !title.length) {
mapToSave = (0, _utils.set)(['info', 'title'], "keplergl_".concat((0, _utils.generateHashId)(6)), mapToSave);
}
return mapToSave;
}
function exportJson(state) {
var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
var map = getMapJSON(state, options);
var fileBlob = new _window.Blob([exportToJsonString(map)], {
type: 'application/json'
});
var fileName = state.appName ? "".concat(state.appName, ".json") : DEFAULT_JSON_NAME;
downloadFile(fileBlob, fileName);
}
function exportHtml(state, options) {
var userMapboxToken = options.userMapboxToken,
exportMapboxAccessToken = options.exportMapboxAccessToken,
mode = options.mode;
var data = _objectSpread(_objectSpread({}, getMapJSON(state)), {}, {
mapboxApiAccessToken: (userMapboxToken || '') !== '' ? userMapboxToken : exportMapboxAccessToken,
mode: mode
});
var fileBlob = new _window.Blob([(0, _exportMapHtml.exportMapToHTML)(data)], {
type: 'text/html'
});
downloadFile(fileBlob, state.appName ? "".concat(state.appName, ".html") : DEFAULT_HTML_NAME);
}
function exportData(state, option) {
var visState = state.visState,
appName = state.appName;
var datasets = visState.datasets;
var selectedDataset = option.selectedDataset,
dataType = option.dataType,
filtered = option.filtered; // get the selected data
var filename = appName ? appName : DEFAULT_DATA_NAME;
var selectedDatasets = datasets[selectedDataset] ? [datasets[selectedDataset]] : Object.values(datasets);
if (!selectedDatasets.length) {
// error: selected dataset not found.
return;
}
selectedDatasets.forEach(function (selectedData) {
var dataContainer = selectedData.dataContainer,
fields = selectedData.fields,
label = selectedData.label,
_selectedData$filtere = selectedData.filteredIdxCPU,
filteredIdxCPU = _selectedData$filtere === void 0 ? [] : _selectedData$filtere;
var toExport = filtered ? (0, _dataContainerUtils.createIndexedDataContainer)(dataContainer, filteredIdxCPU) : dataContainer; // start to export data according to selected data type
switch (dataType) {
case _defaultSettings.EXPORT_DATA_TYPE.CSV:
{
var csv = (0, _dataProcessor.formatCsv)(toExport, fields);
var fileBlob = new _window.Blob([csv], {
type: 'text/csv'
});
downloadFile(fileBlob, "".concat(filename, "_").concat(label, ".csv"));
break;
}
// TODO: support more file types.
default:
break;
}
});
}
function exportMap(state, option) {
var imageDataUri = state.uiState.exportImage.imageDataUri;
var thumbnail = imageDataUri ? dataURItoBlob(imageDataUri) : null;
var mapToSave = getMapJSON(state, option);
return {
map: mapToSave,
thumbnail: thumbnail
};
}
var exporters = {
exportImage: exportImage,
exportJson: exportJson,
exportHtml: exportHtml,
exportData: exportData
};
var _default = exporters;
exports["default"] = _default;
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Copyright (c) 2021 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\n// @ts-nocheck\nimport domtoimage from 'utils/dom-to-image';\nimport {Blob, URL, atob, Uint8Array, ArrayBuffer, document} from 'global/window';\nimport {\n  EXPORT_IMG_RESOLUTION_OPTIONS,\n  EXPORT_IMG_RATIO_OPTIONS,\n  RESOLUTIONS,\n  EXPORT_IMG_RATIOS,\n  EXPORT_DATA_TYPE\n} from 'constants/default-settings';\nimport {exportMapToHTML} from 'templates/export-map-html';\nimport {formatCsv} from 'processors/data-processor';\nimport get from 'lodash.get';\nimport {set, generateHashId} from 'utils/utils';\n\nimport {createIndexedDataContainer} from './table-utils/data-container-utils';\n\n/**\n * Default file names\n */\nexport const DEFAULT_IMAGE_NAME = 'kepler.gl.png';\nexport const DEFAULT_HTML_NAME = 'kepler.gl.html';\nexport const DEFAULT_JSON_NAME = 'kepler.gl.json';\nexport const DEFAULT_DATA_NAME = 'kepler.gl';\n\n/**\n * Default json export settings\n * @type {{hasData: boolean}}\n */\nexport const DEFAULT_EXPORT_JSON_SETTINGS = {\n  hasData: true\n};\n\nconst defaultResolution = EXPORT_IMG_RESOLUTION_OPTIONS.find(op => op.id === RESOLUTIONS.ONE_X);\n\nconst defaultRatio = EXPORT_IMG_RATIO_OPTIONS.find(op => op.id === EXPORT_IMG_RATIOS.FOUR_BY_THREE);\n\nexport function isMSEdge(window) {\n  return Boolean(window.navigator && window.navigator.msSaveOrOpenBlob);\n}\n\nexport function getScaleFromImageSize(imageW = 0, imageH = 0, mapW = 0, mapH = 0) {\n  if ([imageW, imageH, mapW, mapH].some(d => d <= 0)) {\n    return 1;\n  }\n\n  const base = imageW / imageH > 1 ? 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