Markdown post processor

Replace custom scheme URLs (for example my://product/key) in markdown text.

Installation

pnpm add @labdigital/mdpostprocess

The package is ESM-only and requires Node.js 22 or newer.

Usage

import { MarkdownPostProcessor } from "@labdigital/mdpostprocess";

const processor = new MarkdownPostProcessor("my");
processor.registerURL("product", /product\/(?<key>[A-Za-z0-9\-_]+)/);

const rawText = "see my://product/key for more information";

const processedText = await processor.process(rawText, (tags) => {
	tags.get("product")?.forEach((p) => {
		p.replaceValue = "/product/some-product-slug";
	});
	return tags;
});

// Outputs: see /product/some-product-slug for more information
console.log(processedText);