Angular Html Editor - Markdown Support

import { bootstrapApplication } from '@angular/platform-browser'; import { Component, enableProdMode, provideZoneChangeDetection } from '@angular/core'; import { unified } from 'unified'; import remarkParse from 'remark-parse'; import remarkRehype from 'remark-rehype'; import remarkStringify from 'remark-stringify'; import rehypeParse from 'rehype-parse'; import rehypeRemark from 'rehype-remark'; import rehypeStringify from 'rehype-stringify'; import { DxHtmlEditorModule } from 'devextreme-angular/ui/html-editor'; import { Service } from './app.service'; interface Converter { toHtml: (value: string) => string; fromHtml: (value: string) => string; } if (!/localhost/.test(document.location.host)) { enableProdMode(); } @Component({ selector: 'demo-app', templateUrl: './app.component.html', styleUrls: ['./app.component.css'], providers: [Service], imports: [ DxHtmlEditorModule, ], }) export class AppComponent { valueContent: string; converter: Converter; constructor(service: Service) { this.valueContent = service.getMarkup(); this.converter = { toHtml(value) { const result = unified() .use(remarkParse) .use(remarkRehype) .use(rehypeStringify) .processSync(value) .toString(); return result; }, fromHtml(value) { const result = unified() .use(rehypeParse) .use(rehypeRemark) .use(remarkStringify) .processSync(value) .toString(); return result; }, }; } } bootstrapApplication(AppComponent, { providers: [ provideZoneChangeDetection({ eventCoalescing: true, runCoalescing: true }), ], });

::ng-deep .dx-htmleditor-content img { vertical-align: middle; padding-right: 10px; margin-bottom: 22px; } ::ng-deep .value-title { font-size: var(--dx-font-size-sm); font-weight: 500; } ::ng-deep .value-content { margin-top: 20px; overflow: auto; height: 210px; white-space: pre-wrap; border: 1px solid var(--dx-color-border); padding: 16px; background-color: var(--dx-color-main-bg); } .options { margin-top: 20px; padding: 20px; background-color: rgba(191, 191, 191, 0.15); box-sizing: border-box; width: 100%; }

import { Injectable } from '@angular/core'; const markup = `##  Formatted Text Editor (HTML Editor) Lists: 1. Use numbers followed by a period for an ordered list. 1. Use a single asterisk for a bullet list. Formats: * Enclose a word in single asterisks for *italic*. * Enclose a word in double asterisks for **bold**. `; @Injectable() export class Service { getMarkup(): string { return markup; } }

<!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/26.1.5/css/dx.light.css" /> </head> <body class="dx-viewport"> <div class="demo-container"> <demo-app>Loading...</demo-app> </div> <script src="https://cdn.jsdelivr.net/npm/zone.js@0.16.2/bundles/zone.umd.js"></script> <script src="./bundle.js" type="module"></script> </body> </html>