www.kaggle.com
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Backend API
<template>
<div id="chart-demo">
<DxChart
:data-source="monthWeather"
:customize-point="customizePoint"
title="Temperature in Seattle: October 2017"
>
<DxSize :height="420"/>
<DxValueAxis>
<DxLabel
:customize-text="customizeLabelText"
:visible="true"
/>
</DxValueAxis>
<DxSeries
argument-field="day"
value-field="t"
type="bar"
/>
<DxLegend :visible="false"/>
<DxExport :enabled="true"/>
<DxLoadingIndicator :enabled="true"/>
</DxChart>
<div class="action">
<div class="label">Choose a temperature threshold, °C:
</div>
<DxSelectBox
id="choose-temperature"
:data-source="temperature"
:input-attr="{ 'aria-label': 'Temperature' }"
:value="2"
:on-value-changed="changeTemperature"
/>
</div>
</div>
</template>
<script setup lang="ts">
import DxChart, {
DxValueAxis,
DxLabel,
DxLegend,
DxExport,
DxSeries,
DxSize,
DxLoadingIndicator,
} from 'devextreme-vue/chart';
import DxSelectBox from 'devextreme-vue/select-box';
import DataSource from 'devextreme/data/data_source';
import CustomStore from 'devextreme/data/custom_store';
const temperature = [2, 4, 6, 8, 9, 10, 11];
const palette = ['#c3a2cc', '#b7b5e0', '#e48cba'];
let paletteIndex = 0;
const monthWeather = new DataSource({
store: new CustomStore({
load: () => fetch('../../../../data/monthWeather.json')
.then((e) => e.json())
.catch(() => { throw new Error('Data Loading Error'); }),
loadMode: 'raw',
}),
filter: ['t', '>', '2'],
paginate: false,
});
const customizeLabelText = ({ valueText }) => `${valueText}${'°C'}`;
function changeTemperature({ value }) {
monthWeather.filter(['t', '>', value]);
monthWeather.load();
}
function customizePoint() {
const color = palette[paletteIndex];
paletteIndex = paletteIndex === 2 ? 0 : paletteIndex + 1;
return { color };
}
</script>
<style>
.action {
width: 330px;
margin-top: 20px;
display: flex;
align-items: center;
justify-content: space-between;
}
.action .dx-selectbox {
width: 90px;
}
</style>
window.exports = window.exports || {};
window.config = {
transpiler: 'plugin-babel',
meta: {
'*.vue': {
loader: 'vue-loader',
},
'*.ts': {
loader: 'demo-ts-loader',
},
'*.svg': {
loader: 'svg-loader',
},
'devextreme/time_zone_utils.js': {
'esModule': true,
},
'devextreme/localization.js': {
'esModule': true,
},
'devextreme/viz/palette.js': {
'esModule': true,
},
'openai': {
'esModule': true,
},
},
paths: {
'project:': '../../../../',
'npm:': 'https://unpkg.com/',
'bundles:': '../../../../bundles/',
'externals:': '../../../../bundles/externals/',
},
map: {
'vue': 'npm:vue@3.4.27/dist/vue.esm-browser.js',
'@vue/shared': 'npm:@vue/shared@3.4.27/dist/shared.cjs.prod.js',
'vue-loader': 'npm:dx-systemjs-vue-browser@1.1.1/index.js',
'demo-ts-loader': 'project:utils/demo-ts-loader.js',
'jszip': 'npm:jszip@3.10.1/dist/jszip.min.js',
'svg-loader': 'project:utils/svg-loader.js',
'mitt': 'npm:mitt/dist/mitt.umd.js',
'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-vue': 'npm:devextreme-vue@link:../../packages/devextreme-vue/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',
'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-vue': {
main: 'index.js',
},
'devextreme': {
defaultExtension: 'js',
},
'devextreme/events/utils': {
main: 'index',
},
'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,
},
};
System.config(window.config);
import { createApp } from 'vue';
import App from './App.vue';
createApp(App).mount('#app');
<!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" />
<script src="https://unpkg.com/typescript@5.4.5/lib/typescript.js"></script>
<script type="module">
import * as vueCompilerSFC from "https://unpkg.com/@vue/compiler-sfc@3.4.27/dist/compiler-sfc.esm-browser.js";
window.vueCompilerSFC = vueCompilerSFC;
</script>
<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.ts");
</script>
</head>
<body class="dx-viewport">
<div class="demo-container">
<div id="app"> </div>
</div>
</body>
</html>
[
{ "day": "1", "t": 11 },
{ "day": "2", "t": 7 },
{ "day": "3", "t": 6 },
{ "day": "4", "t": 8 },
{ "day": "5", "t": 7 },
{ "day": "6", "t": 7 },
{ "day": "7", "t": 11 },
{ "day": "8", "t": 9 },
{ "day": "9", "t": 5 },
{ "day": "10", "t": 8 },
{ "day": "11", "t": 6 },
{ "day": "12", "t": 9 },
{ "day": "13", "t": 8 },
{ "day": "14", "t": 6 },
{ "day": "15", "t": 6 },
{ "day": "16", "t": 6 },
{ "day": "17", "t": 10 },
{ "day": "18", "t": 9 },
{ "day": "19", "t": 12 },
{ "day": "20", "t": 9 },
{ "day": "21", "t": 8 },
{ "day": "22", "t": 13 },
{ "day": "23", "t": 9 },
{ "day": "24", "t": 7 },
{ "day": "25", "t": 6 },
{ "day": "26", "t": 11 },
{ "day": "27", "t": 8 },
{ "day": "28", "t": 7 },
{ "day": "29", "t": 9 },
{ "day": "30", "t": 7 },
{ "day": "31", "t": 3 }
]
Once you load the data, specify the series type and its nested options: argumentField and valueField, so the component can determine which object fields in the data source indicate Chart arguments and values.