Angular Html Editor - AI-powered Text Editing

import { NgModule, Component, enableProdMode } from '@angular/core'; import { BrowserModule } from '@angular/platform-browser'; import { platformBrowserDynamic } from '@angular/platform-browser-dynamic'; import { DxHtmlEditorModule, type DxHtmlEditorTypes } from 'devextreme-angular/ui/html-editor'; import { AIIntegration, RequestParams, Response, } from 'devextreme-angular/common/ai-integration'; import { AzureOpenAI, OpenAI } from 'openai'; import { Service } from './app.service'; if (!/localhost/.test(document.location.host)) { enableProdMode(); } let modulePrefix = ''; // @ts-ignore if (window && window.config?.packageConfigPaths) { modulePrefix = '/app'; } type AIMessage = (OpenAI.ChatCompletionUserMessageParam | OpenAI.ChatCompletionSystemMessageParam) & { content: string; }; @Component({ selector: 'demo-app', templateUrl: `app/app.component.html`, styleUrls: [`app/app.component.css`], providers: [Service], }) export class AppComponent { azureOpenAIConfig: any; aiService: AzureOpenAI; aiIntegration: AIIntegration; extractKeywordsPrompt: DxHtmlEditorTypes.AICustomCommand['prompt']; valueContent: string; constructor(service: Service) { this.azureOpenAIConfig = service.getAzureOpenAIConfig(); this.extractKeywordsPrompt = service.getPrompt(); this.valueContent = service.getMarkup(); this.aiService = new AzureOpenAI(this.azureOpenAIConfig); this.aiIntegration = new AIIntegration({ sendRequest: this.sendRequest.bind(this), }); } sendRequest({ prompt }: RequestParams): Response { const controller = new AbortController(); const signal = controller.signal; const aiPrompt: AIMessage[] = [ { role: 'system', content: prompt.system, }, { role: 'user', content: prompt.user, }, ]; const promise = this.getAIResponse(aiPrompt, signal); const result: Response = { promise, abort: () => { controller.abort(); }, }; return result; } async getAIResponse(messages: AIMessage[], signal: AbortSignal) { const params = { messages, model: this.azureOpenAIConfig.deployment, max_tokens: 1000, temperature: 0.7, }; const response = await this.aiService.chat.completions.create(params, { signal }); const result = response.choices[0].message?.content; return result; } } @NgModule({ imports: [ BrowserModule, DxHtmlEditorModule, ], declarations: [AppComponent], bootstrap: [AppComponent], }) export class AppModule { } platformBrowserDynamic().bootstrapModule(AppModule);

::ng-deep .dx-htmleditor-content img { vertical-align: middle; padding-right: 10px; }

import { Injectable } from '@angular/core'; import { type DxHtmlEditorTypes } from 'devextreme-angular/ui/html_editor'; const AzureOpenAIConfig = { dangerouslyAllowBrowser: true, deployment: 'gpt-4o-mini', apiVersion: '2024-02-01', endpoint: 'https://public-api.devexpress.com/demo-openai', apiKey: 'DEMO', }; const extractKeywordsPrompt: DxHtmlEditorTypes.AICustomCommand['prompt'] = () => 'Extract a list of keywords from the text and return it as a comma-separated string'; const markup = ` <h2> <img src="../../../../images/widgets/HtmlEditor.svg" alt="HtmlEditor"> Formatted Text Editor (HTML Editor) </h2> <br> <p>DevExtreme JavaScript HTML Editor is a client-side WYSIWYG text editor that allows its users to format textual and visual content and store it as HTML.</p> <p>Supported features:</p> <ul> <li>Inline formats: <ul> <li>Bold, italic, strikethrough text formatting</li> <li>Font, size, color changes (HTML only)</li> </ul> </li> <li>Block formats: <ul> <li>Headers</li> <li>Text alignment</li> <li>Lists (ordered and unordered)</li> <li>Code blocks</li> <li>Quotes</li> </ul> </li> <li>Custom formats</li> <li>Mail-merge placeholders (for example, %username%)</li> <li>Adaptive toolbar for working images, links, and color formats</li> <li>Image upload: drag-and-drop images onto the form, select files from the file system, or specify a URL.</li> <li>Copy-paste rich content (unsupported formats are removed)</li> <li>Tables support</li> </ul> `; @Injectable({ providedIn: 'root', }) export class Service { getMarkup(): string { return markup; } getPrompt() { return extractKeywordsPrompt; } getAzureOpenAIConfig() { return AzureOpenAIConfig; } }

// 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', '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/', }, 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', /* @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/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@1.7.6/dist/dx-quill.min.js', 'devexpress-diagram': 'npm:devexpress-diagram@2.2.24', 'devexpress-gantt': 'npm:devexpress-gantt@4.1.64', /* 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; }, {}), 'openai': 'externals:openai.bundle.js', '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', }, 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@2.2.24/package.json', 'npm:devexpress-gantt@4.1.64/package.json', ], }; System.config(window.config); // System.import('@angular/compiler').catch(console.error.bind(console)); // eslint-disable-next-line const useTgzInCSB = ['openai']; let packagesInfo = { "openai": { "version": "4.73.1" }, "@angular/core": { "version": "17.3.12" }, "core-js": { "version": "2.6.12" }, "typescript": { "version": "5.4.5" }, "zone.js": { "version": "0.14.10" } };

<!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/25.1.7/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@0.14.10/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>