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Backend API
import React from 'react';
import VectorMap, {
ILayerProps,
ILegendProps, ITooltipProps,
Layer,
Legend,
Source,
Tooltip,
} from 'devextreme-react/vector-map';
import * as mapsData from 'devextreme-dist/js/vectormap-data/world.js';
import { populations } from './data.ts';
const colorGroups = [0, 0.5, 0.8, 1, 2, 3, 100];
const bounds = [-180, 85, 180, -60];
const customizeLayer: ILayerProps['customize'] = (elements) => {
elements.forEach((element) => {
element.attribute('population', populations[element.attribute('name')]);
});
};
const customizeText: ILegendProps['customizeText'] = (arg) => {
let text;
if (arg.index === 0) {
text = '< 0.5%';
} else if (arg.index === 5) {
text = '> 3%';
} else {
text = `${arg.start}% to ${arg.end}%`;
}
return text;
};
const customizeTooltip: ITooltipProps['customizeTooltip'] = (arg) => {
if (arg.attribute('population')) {
return { text: `${arg.attribute('name')}: ${arg.attribute('population')}% of world population` };
}
return null;
};
export default function App() {
return (
<VectorMap id="vector-map" bounds={bounds}>
<Layer
dataSource={mapsData.world}
palette="Violet"
name="areas"
colorGroupingField="population"
colorGroups={colorGroups}
customize={customizeLayer}
></Layer>
<Tooltip enabled={true} customizeTooltip={customizeTooltip}></Tooltip>
<Legend customizeText={customizeText}>
<Source layer="areas" grouping="color"></Source>
</Legend>
</VectorMap>
);
}
import React from 'react';
import VectorMap, {
Layer, Legend, Source, Tooltip,
} from 'devextreme-react/vector-map';
import * as mapsData from 'devextreme-dist/js/vectormap-data/world.js';
import { populations } from './data.js';
const colorGroups = [0, 0.5, 0.8, 1, 2, 3, 100];
const bounds = [-180, 85, 180, -60];
const customizeLayer = (elements) => {
elements.forEach((element) => {
element.attribute('population', populations[element.attribute('name')]);
});
};
const customizeText = (arg) => {
let text;
if (arg.index === 0) {
text = '< 0.5%';
} else if (arg.index === 5) {
text = '> 3%';
} else {
text = `${arg.start}% to ${arg.end}%`;
}
return text;
};
const customizeTooltip = (arg) => {
if (arg.attribute('population')) {
return {
text: `${arg.attribute('name')}: ${arg.attribute('population')}% of world population`,
};
}
return null;
};
export default function App() {
return (
<VectorMap
id="vector-map"
bounds={bounds}
>
<Layer
dataSource={mapsData.world}
palette="Violet"
name="areas"
colorGroupingField="population"
colorGroups={colorGroups}
customize={customizeLayer}
></Layer>
<Tooltip
enabled={true}
customizeTooltip={customizeTooltip}
></Tooltip>
<Legend customizeText={customizeText}>
<Source
layer="areas"
grouping="color"
></Source>
</Legend>
</VectorMap>
);
}
import React from 'react';
import ReactDOM from 'react-dom';
import App from './App.tsx';
ReactDOM.render(
<App />,
document.getElementById('app'),
);
export const populations = {
China: 19,
India: 17.4,
'United States': 4.44,
Indonesia: 3.45,
Brazil: 2.83,
Pakistan: 2.62,
Nigeria: 2.42,
Bangladesh: 2.18,
Russia: 2.04,
Japan: 1.77,
Mexico: 1.67,
Philippines: 1.39,
Vietnam: 1.25,
Ethiopia: 1.23,
Egypt: 1.21,
Germany: 1.13,
Iran: 1.08,
Turkey: 1.07,
'Congo (Kinshasa)': 0.94,
France: 0.92,
Thailand: 0.9,
'United Kingdom': 0.89,
Italy: 0.85,
Burma: 0.84,
'South Africa': 0.74,
'S. Korea': 0.7,
Colombia: 0.66,
Spain: 0.65,
Tanzania: 0.63,
Kenya: 0.62,
Ukraine: 0.6,
Argentina: 0.59,
Algeria: 0.54,
Poland: 0.54,
Sudan: 0.52,
Canada: 0.49,
Uganda: 0.49,
Iraq: 0.47,
Morocco: 0.46,
Uzbekistan: 0.43,
};
window.exports = window.exports || {};
window.config = {
transpiler: 'ts',
typescriptOptions: {
module: 'system',
emitDecoratorMetadata: true,
experimentalDecorators: true,
jsx: 'react',
},
meta: {
'react': {
'esModule': true,
},
'typescript': {
'exports': 'ts',
},
'devextreme/time_zone_utils.js': {
'esModule': true,
},
'devextreme/localization.js': {
'esModule': true,
},
'devextreme/viz/palette.js': {
'esModule': true,
},
'devextreme-dist/js/vectormap-data/*': {
'esModule': true,
},
'openai': {
'esModule': true,
},
},
paths: {
'npm:': 'https://unpkg.com/',
'bundles:': '../../../../bundles/',
'externals:': '../../../../bundles/externals/',
},
defaultExtension: 'js',
map: {
'ts': 'npm:plugin-typescript@8.0.0/lib/plugin.js',
'typescript': 'npm:typescript@4.2.4/lib/typescript.js',
'jszip': 'npm:jszip@3.10.1/dist/jszip.min.js',
'react': 'npm:react@17.0.2/umd/react.development.js',
'react-dom': 'npm:react-dom@17.0.2/umd/react-dom.development.js',
'prop-types': 'npm:prop-types/prop-types.js',
'devextreme-dist/js/vectormap-data': 'npm:devextreme-dist@link:../../packages/devextreme/artifacts/npm/devextreme-dist/js/vectormap-data',
'rrule': 'npm:rrule@2.6.4/dist/es5/rrule.js',
'luxon': 'npm:luxon@3.4.4/build/global/luxon.min.js',
'es6-object-assign': 'npm:es6-object-assign',
'devextreme': 'npm:devextreme@link:../../packages/devextreme/artifacts/npm/devextreme/cjs',
'devextreme-react': 'npm:devextreme-react@link:../../packages/devextreme-react/npm/cjs',
'devextreme-quill': 'npm:devextreme-quill@1.7.1/dist/dx-quill.min.js',
'devexpress-diagram': 'npm:devexpress-diagram@2.2.5/dist/dx-diagram.js',
'devexpress-gantt': 'npm:devexpress-gantt@4.1.54/dist/dx-gantt.js',
'@devextreme/runtime': 'npm:@devextreme/runtime@3.0.12',
'inferno': 'npm:inferno@7.4.11/dist/inferno.min.js',
'inferno-compat': 'npm:inferno-compat/dist/inferno-compat.min.js',
'inferno-create-element': 'npm:inferno-create-element@7.4.11/dist/inferno-create-element.min.js',
'inferno-dom': 'npm:inferno-dom/dist/inferno-dom.min.js',
'inferno-hydrate': 'npm:inferno-hydrate/dist/inferno-hydrate.min.js',
'inferno-clone-vnode': 'npm:inferno-clone-vnode/dist/inferno-clone-vnode.min.js',
'inferno-create-class': 'npm:inferno-create-class/dist/inferno-create-class.min.js',
'inferno-extras': 'npm:inferno-extras/dist/inferno-extras.min.js',
'devextreme-cldr-data': 'npm:devextreme-cldr-data@1.0.3',
// SystemJS plugins
'plugin-babel': 'npm:systemjs-plugin-babel@0.0.25/plugin-babel.js',
'systemjs-babel-build': 'npm:systemjs-plugin-babel@0.0.25/systemjs-babel-browser.js',
// Prettier
'prettier/standalone': 'npm:prettier@2.8.8/standalone.js',
'prettier/parser-html': 'npm:prettier@2.8.8/parser-html.js',
},
packages: {
'devextreme': {
defaultExtension: 'js',
},
'devextreme-react': {
main: 'index.js',
},
'devextreme/events/utils': {
main: 'index',
},
'devextreme/localization/messages': {
format: 'json',
defaultExtension: 'json',
},
'devextreme/events': {
main: 'index',
},
'es6-object-assign': {
main: './index.js',
defaultExtension: 'js',
},
},
packageConfigPaths: [
'npm:@devextreme/*/package.json',
'npm:@devextreme/runtime@3.0.12/inferno/package.json',
],
babelOptions: {
sourceMaps: false,
stage0: true,
react: true,
},
};
System.config(window.config);
import React from 'react';
import ReactDOM from 'react-dom';
import App from './App.js';
ReactDOM.render(<App />, document.getElementById('app'));
export const populations = {
China: 19,
India: 17.4,
'United States': 4.44,
Indonesia: 3.45,
Brazil: 2.83,
Pakistan: 2.62,
Nigeria: 2.42,
Bangladesh: 2.18,
Russia: 2.04,
Japan: 1.77,
Mexico: 1.67,
Philippines: 1.39,
Vietnam: 1.25,
Ethiopia: 1.23,
Egypt: 1.21,
Germany: 1.13,
Iran: 1.08,
Turkey: 1.07,
'Congo (Kinshasa)': 0.94,
France: 0.92,
Thailand: 0.9,
'United Kingdom': 0.89,
Italy: 0.85,
Burma: 0.84,
'South Africa': 0.74,
'S. Korea': 0.7,
Colombia: 0.66,
Spain: 0.65,
Tanzania: 0.63,
Kenya: 0.62,
Ukraine: 0.6,
Argentina: 0.59,
Algeria: 0.54,
Poland: 0.54,
Sudan: 0.52,
Canada: 0.49,
Uganda: 0.49,
Iraq: 0.47,
Morocco: 0.46,
Uzbekistan: 0.43,
};
<!DOCTYPE html>
<html lang="en">
<head>
<title>DevExtreme Demo</title>
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=5.0" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/24.2.3/css/dx.light.css" />
<link rel="stylesheet" type="text/css" href="styles.css" />
<script src="https://unpkg.com/core-js@2.6.12/client/shim.min.js"></script>
<script src="https://unpkg.com/systemjs@0.21.3/dist/system.js"></script>
<script type="text/javascript" src="config.js"></script>
<script type="text/javascript">
System.import("./index.tsx");
</script>
</head>
<body class="dx-viewport">
<div class="demo-container">
<div id="app"></div>
</div>
</body>
</html>
#vector-map {
height: 440px;
}