[Svelte] Markdown Action

[Svelte] Markdown Action.md

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markdown.ts

import { marked } from 'marked';
import dompurify from 'dompurify';

export default function (
	element: HTMLElement,
	markdown: string
): { update: (markdown: string) => void } {
	function update(markdown: string) {
		element.innerHTML = dompurify.sanitize(marked(markdown));
	}
	update(markdown);
	return { update };
}

npm.md

npm i marked dompurify
npm i -D @types/marked @types/dompurify