Backend API
<div class="long-title"
><h3>Monthly Prices of Copper, Nickel and Palladium</h3></div
>
<div id="chart-demo">
<table class="demo-table" border="1">
<tr>
<th><div class="dx-screen-reader-only">Year</div></th>
<th>Copper (USD/ton)</th>
<th>Nickel (USD/ton)</th>
<th>Palladium (USD/troy ounce)</th>
</tr>
@for(year of years; track year) {
<tr>
<th>{{ year }}</th>
<td>
<dx-sparkline
class="sparkline"
[dataSource]="source"
argumentField="month"
valueField="copper{{ year }}"
type="bar"
[showMinMax]="true"
>
<dxo-sparkline-tooltip
[format]="{ type: 'currency', precision: 2 }"
></dxo-sparkline-tooltip>
</dx-sparkline>
</td>
<td>
<dx-sparkline
class="sparkline"
[dataSource]="source"
argumentField="month"
valueField="nickel{{ year }}"
type="bar"
[showMinMax]="true"
[showFirstLast]="false"
barPositiveColor="#6babac"
minColor="#9ab57e"
maxColor="#8076bb"
>
<dxo-sparkline-tooltip
[format]="{ type: 'currency', precision: 2 }"
></dxo-sparkline-tooltip>
</dx-sparkline>
</td>
<td>
<dx-sparkline
class="sparkline"
[dataSource]="source"
argumentField="month"
valueField="palladium{{ year }}"
type="bar"
barPositiveColor="#e55253"
firstLastColor="#ebdd8f"
>
<dxo-sparkline-tooltip
[format]="{ type: 'currency', precision: 2 }"
></dxo-sparkline-tooltip>
</dx-sparkline>
</td>
</tr>
}
</table>
<div class="action">
<div class="label">Choose a number of months: </div>
<dx-select-box
id="choose-months"
[dataSource]="filters"
[value]="filters[0]"
(onValueChanged)="onValueChanged($event)"
[inputAttr]="{ 'aria-label': 'Number Of Months' }"
>
</dx-select-box>
</div>
</div>
import { bootstrapApplication } from '@angular/platform-browser';
import { Component, enableProdMode, provideZoneChangeDetection } from '@angular/core';
import { HttpClient, provideHttpClient, withFetch } from '@angular/common/http';
import { lastValueFrom } from 'rxjs';
import { DxSparklineModule, DxSelectBoxModule } from 'devextreme-angular';
import { DataSource, CustomStore } from 'devextreme-angular/common/data';
if (!/localhost/.test(document.location.host)) {
enableProdMode();
}
let modulePrefix = '';
// @ts-ignore
if (window && window.config?.packageConfigPaths) {
modulePrefix = '/app';
}
@Component({
selector: 'demo-app',
templateUrl: `app/app.component.html`,
styleUrls: [`app/app.component.css`],
imports: [
DxSparklineModule,
DxSelectBoxModule,
],
})
export class AppComponent {
source: DataSource;
filters = [12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1];
years: number[];
constructor(http: HttpClient) {
this.source = new DataSource({
store: new CustomStore({
load: () => lastValueFrom(http.get('../../../../data/resourceData.json'))
.catch(() => { throw 'Data Loading Error'; }),
loadMode: 'raw',
}),
filter: ['month', '<=', '12'],
paginate: false,
});
this.years = [2021, 2022, 2023];
}
onValueChanged(e) {
const count = e.value;
this.source.filter(['month', '<=', count]);
this.source.load();
}
}
bootstrapApplication(AppComponent, {
providers: [
provideZoneChangeDetection({ eventCoalescing: true, runCoalescing: true }),
provideHttpClient(withFetch()),
],
});
::ng-deep #chart-demo {
height: 440px;
}
::ng-deep .demo-table {
width: 100%;
border: 1px solid #c2c2c2;
border-collapse: collapse;
}
::ng-deep .demo-table th,
::ng-deep .demo-table td {
font-weight: 400;
width: 200px;
padding: 25px 10px 5px;
border: 1px solid #c2c2c2;
}
::ng-deep .demo-table th {
padding: 25px 15px 20px;
border: 1px solid #c2c2c2;
}
::ng-deep .demo-table tr:nth-child(2) td {
border-top: 1px solid #c2c2c2;
}
::ng-deep .demo-table td:first-of-type {
border-left: 1px solid #c2c2c2;
}
::ng-deep .demo-table .sparkline {
width: 200px;
height: 30px;
}
::ng-deep .action {
width: 300px;
margin-top: 20px;
display: flex;
align-items: center;
justify-content: space-between;
}
::ng-deep .action .dx-selectbox {
width: 90px;
}
::ng-deep .long-title h3 {
font-weight: 200;
font-size: 28px;
text-align: center;
margin-bottom: 20px;
margin-top: 0;
}
// In real applications, you should not transpile code in the browser.
// You can see how to create your own application with Angular and DevExtreme here:
// https://js.devexpress.com/Documentation/Guide/Angular_Components/Getting_Started/Create_a_DevExtreme_Application/
const componentNames = [
'accordion',
'action-sheet',
'autocomplete',
'bar-gauge',
'box',
'bullet',
'button-group',
'button',
'calendar',
'card-view',
'chart',
'chat',
'check-box',
'circular-gauge',
'color-box',
'context-menu',
'data-grid',
'date-box',
'date-range-box',
'defer-rendering',
'diagram',
'draggable',
'drawer',
'drop-down-box',
'drop-down-button',
'file-manager',
'file-uploader',
'filter-builder',
'form',
'funnel',
'gallery',
'gantt',
'html-editor',
'linear-gauge',
'list',
'load-indicator',
'load-panel',
'lookup',
'map',
'menu',
'multi-view',
'nested',
'number-box',
'pagination',
'pie-chart',
'pivot-grid-field-chooser',
'pivot-grid',
'polar-chart',
'popover',
'popup',
'progress-bar',
'radio-group',
'range-selector',
'range-slider',
'recurrence-editor',
'resizable',
'responsive-box',
'sankey',
'scheduler',
'scroll-view',
'select-box',
'slider',
'sortable',
'sparkline',
'speech-to-text',
'speed-dial-action',
'splitter',
'stepper',
'switch',
'tab-panel',
'tabs',
'tag-box',
'text-area',
'text-box',
'tile-view',
'toast',
'toolbar',
'tooltip',
'tree-list',
'tree-map',
'tree-view',
'validation-group',
'validation-summary',
'validator',
'vector-map',
];
window.exports = window.exports || {};
window.config = {
transpiler: 'ts',
typescriptOptions: {
module: 'system',
emitDecoratorMetadata: true,
experimentalDecorators: true,
},
meta: {
'typescript': {
'exports': 'ts',
},
'devextreme/time_zone_utils.js': {
'esModule': true,
},
'devextreme/localization.js': {
'esModule': true,
},
'devextreme/viz/palette.js': {
'esModule': true,
},
'@angular/platform-browser-dynamic': {
'esModule': true,
},
'@angular/platform-browser': {
'esModule': true,
},
'@angular/core': {
'esModule': true,
},
'@angular/common': {
'esModule': true,
},
'@angular/common/http': {
'esModule': true,
},
'@angular/animations': {
'esModule': true,
},
'@angular/forms': {
'esModule': true,
},
'openai': {
'esModule': true,
},
},
paths: {
'npm:': 'https://cdn.jsdelivr.net/npm/',
'bundles:': '../../../../bundles/',
'externals:': '../../../../bundles/externals/',
'anti-forgery:': '../../../../shared/anti-forgery/',
},
map: {
'anti-forgery': 'anti-forgery:fetch-override.js',
'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',
/* @angular */
'@angular/compiler': 'bundles:@angular/compiler.umd.js',
'@angular/platform-browser-dynamic': 'bundles:@angular/platform-browser-dynamic.umd.js',
'@angular/core': 'bundles:@angular/core.umd.js',
'@angular/core/primitives/signals': 'bundles:@angular/core.primitives.signals.umd.js',
'@angular/core/primitives/di': 'bundles:@angular/core.primitives.di.umd.js',
'@angular/common': 'bundles:@angular/common.umd.js',
'@angular/common/http': 'bundles:@angular/common-http.umd.js',
'@angular/platform-browser': 'bundles:@angular/platform-browser.umd.js',
'@angular/platform-browser/animations': 'bundles:@angular/platform-browser.umd.js',
'@angular/forms': 'bundles:@angular/forms.umd.js',
/* devextreme */
'devextreme': 'npm:devextreme@link:../../packages/devextreme/artifacts/npm/devextreme/cjs',
'devextreme-quill': 'npm:devextreme-quill@1.7.8/dist/dx-quill.min.js',
'devexpress-diagram': 'npm:devexpress-diagram@2.2.25',
'devexpress-gantt': 'npm:devexpress-gantt@4.1.67',
/* devextreme-angular umd maps */
'devextreme-angular': 'bundles:devextreme-angular/devextreme-angular.umd.js',
'devextreme-angular/common/ai-integration': 'bundles:devextreme-angular/devextreme-angular-common-ai-integration.umd.js',
'devextreme-angular/core': 'bundles:devextreme-angular/devextreme-angular-core.umd.js',
'devextreme-angular/common/charts': 'bundles:devextreme-angular/devextreme-angular-common-charts.umd.js',
'devextreme-angular/common/core/animation': 'bundles:devextreme-angular/devextreme-angular-common-core-animation.umd.js',
'devextreme-angular/common/core/environment': 'bundles:devextreme-angular/devextreme-angular-common-core-environment.umd.js',
'devextreme-angular/common/core/events': 'bundles:devextreme-angular/devextreme-angular-common-core-events.umd.js',
'devextreme-angular/common/core/localization': 'bundles:devextreme-angular/devextreme-angular-common-core-localization.umd.js',
'devextreme-angular/common/core': 'bundles:devextreme-angular/devextreme-angular-common-core.umd.js',
'devextreme-angular/common/data/custom-store': 'bundles:devextreme-angular/devextreme-angular-common-data-custom-store.umd.js',
'devextreme-angular/common/data': 'bundles:devextreme-angular/devextreme-angular-common-data.umd.js',
'devextreme-angular/common/export/excel': 'bundles:devextreme-angular/devextreme-angular-common-export-excel.umd.js',
'devextreme-angular/common/export/pdf': 'bundles:devextreme-angular/devextreme-angular-common-export-pdf.umd.js',
'devextreme-angular/common/export': 'bundles:devextreme-angular/devextreme-angular-common-export.umd.js',
'devextreme-angular/common/grids': 'bundles:devextreme-angular/devextreme-angular-common-grids.umd.js',
'devextreme-angular/common': 'bundles:devextreme-angular/devextreme-angular-common.umd.js',
'devextreme-angular/http': 'bundles:devextreme-angular/devextreme-angular-http.umd.js',
'devextreme-angular/core/tokens': 'bundles:devextreme-angular/devextreme-angular-core-tokens.umd.js',
...componentNames.reduce((acc, name) => {
acc[`devextreme-angular/ui/${name}`] = `bundles:devextreme-angular/devextreme-angular-ui-${name}.umd.js`;
acc[`devextreme-angular/ui/${name}/nested`] = `bundles:devextreme-angular/devextreme-angular-ui-${name}-nested.umd.js`;
return acc;
}, {}),
'tslib': 'npm:tslib/tslib.js',
'rxjs': 'npm:rxjs@7.5.3/dist/bundles/rxjs.umd.js',
'rxjs/operators': 'npm:rxjs@7.5.3/dist/cjs/operators/index.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',
'inferno': 'npm:inferno@8.2.3/dist/inferno.min.js',
'inferno-compat': 'npm:inferno-compat/dist/inferno-compat.min.js',
'inferno-create-element': 'npm:inferno-create-element@8.2.3/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',
'@preact/signals-core': 'npm:@preact/signals-core@1.8.0/dist/signals-core.min.js',
// Prettier
'prettier/standalone': 'npm:prettier@2.8.8/standalone.js',
'prettier/parser-html': 'npm:prettier@2.8.8/parser-html.js',
'zone.js': 'npm:zone.js@0.15.1/bundles/zone.umd.js',
},
packages: {
'app': {
main: './app.component.ts',
defaultExtension: 'ts',
},
'devextreme': {
defaultExtension: 'js',
},
'devextreme/events/utils': {
main: 'index',
},
'devextreme/common/core/events/utils': {
main: 'index',
},
'devextreme/events': {
main: 'index',
},
'es6-object-assign': {
main: './index.js',
defaultExtension: 'js',
},
'rxjs': {
defaultExtension: 'js',
},
'rxjs/operators': {
defaultExtension: 'js',
},
},
packageConfigPaths: [
'npm:@devextreme/*/package.json',
'npm:rxjs@7.5.3/package.json',
'npm:rxjs@7.5.3/operators/package.json',
'npm:devexpress-diagram@2.2.25/package.json',
'npm:devexpress-gantt@4.1.67/package.json',
],
};
window.process = {
env: {
NODE_ENV: 'production',
},
};
System.config(window.config);
// eslint-disable-next-line no-console
// System.import('@angular/compiler').catch(console.error.bind(console));
// eslint-disable-next-line
const useTgzInCSB = ['openai'];
let packagesInfo = {
"@angular/core": {
"version": "21.0.7"
},
"core-js": {
"version": "2.6.12"
},
"typescript": {
"version": "5.9.3"
},
"zone.js": {
"version": "0.15.1"
}
};
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" 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/25.2.6/css/dx.light.css" />
<script src="https://cdn.jsdelivr.net/npm/core-js@2.6.12/client/shim.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/zone.js@0.15.1/bundles/zone.umd.js"></script>
<script src="https://cdn.jsdelivr.net/npm/reflect-metadata@0.1.13/Reflect.js"></script>
<script src="https://cdn.jsdelivr.net/npm/systemjs@0.21.3/dist/system.js"></script>
<script src="config.js"></script>
<script>
System.import("app").catch(console.error.bind(console));
</script>
</head>
<body class="dx-viewport">
<div class="demo-container">
<demo-app>Loading...</demo-app>
</div>
</body>
</html>
[
{ "month": 1, "copper2021": 7970.50, "copper2022": 9775.93, "copper2023": 8999.79, "nickel2021": 17847.68, "nickel2022": 22355.40, "nickel2023": 28194.61, "palladium2021": 2391.20, "palladium2022": 2030.86, "palladium2023": 1734.27 },
{ "month": 2, "copper2021": 8460.25, "copper2022": 9941.35, "copper2023": 8955.20, "nickel2021": 18595.30, "nickel2022": 24015.55, "nickel2023": 26727.95, "palladium2021": 2342.33, "palladium2022": 2350.10, "palladium2023": 1543.90 },
{ "month": 3, "copper2021": 9004.98, "copper2022": 10237.59, "copper2023": 8835.72, "nickel2021": 16460.83, "nickel2022": 33924.18, "nickel2023": 23288.61, "palladium2021": 2525.61, "palladium2022": 2582.78, "palladium2023": 1426.00 },
{ "month": 4, "copper2021": 9335.55, "copper2022": 10183.13, "copper2023": 8814.00, "nickel2021": 16480.91, "nickel2022": 33132.74, "nickel2023": 23894.56, "palladium2021": 2776.45, "palladium2022": 2330.67, "palladium2023": 1508.00 },
{ "month": 5, "copper2021": 10183.97, "copper2022": 9362.81, "copper2023": 8234.28, "nickel2021": 17552.45, "nickel2022": 28062.55, "nickel2023": 21970.39, "palladium2021": 2900.52, "palladium2022": 2060.05, "palladium2023": 1482.61 },
{ "month": 6, "copper2021": 9612.43, "copper2022": 9033.13, "copper2023": 8386.23, "nickel2021": 17942.32, "nickel2022": 25658.63, "nickel2023": 21233.28, "palladium2021": 2752.48, "palladium2022": 1913.05, "palladium2023": 1348.09 },
{ "month": 7, "copper2021": 9433.59, "copper2022": 7529.79, "copper2023": 8445.26, "nickel2021": 18819.36, "nickel2022": 21481.89, "nickel2023": 21091.26, "palladium2021": 2754.76, "palladium2022": 1973.10, "palladium2023": 1264.48 },
{ "month": 8, "copper2021": 9357.19, "copper2022": 7960.98, "copper2023": 8351.77, "nickel2021": 19160.23, "nickel2022": 22057.39, "nickel2023": 20438.65, "palladium2021": 2544.73, "palladium2022": 2135.52, "palladium2023": 1247.30 },
{ "month": 9, "copper2021": 9324.07, "copper2022": 7734.70, "copper2023": 8270.86, "nickel2021": 19398.23, "nickel2022": 22773.97, "nickel2023": 19644.64, "palladium2021": 2130.32, "palladium2022": 2113.95, "palladium2023": 1239.29 },
{ "month": 10, "copper2021": 9778.50, "copper2022": 7621.21, "copper2023": 7939.66, "nickel2021": 19420.52, "nickel2022": 22032.89, "nickel2023": 18281.23, "palladium2021": 2058.48, "palladium2022": 2078.86, "palladium2023": 1142.09 },
{ "month": 11, "copper2021": 9765.48, "copper2022": 8029.95, "copper2023": 8173.95, "nickel2021": 19970.43, "nickel2022": 25562.70, "nickel2023": 17027.36, "palladium2021": 2036.32, "palladium2022": 1911.55, "palladium2023": 1050.27 },
{ "month": 12, "copper2021": 9550.31, "copper2022": 8367.23, "copper2023": 8394.11, "nickel2021": 20015.55, "nickel2022": 28946.81, "nickel2023": 16460.84, "palladium2021": 1810.52, "palladium2022": 1808.36, "palladium2023": 1087.76 }
]