CoastalCommitsPastes/client/pages/api/render-markdown.ts

import type { NextApiHandler } from "next"

import markdown from "@lib/render-markdown"

const renderMarkdown: NextApiHandler = async (req, res) => {
	const { content, title } = req.body
	const renderAsMarkdown = [
		"markdown",
		"md",
		"mdown",
		"mkdn",
		"mkd",
		"mdwn",
		"mdtxt",
		"mdtext",
		"text",
		""
	]
	const fileType = () => {
		const pathParts = title.split(".")
		const language = pathParts.length > 1 ? pathParts[pathParts.length - 1] : ""
		return language
	}
	const type = fileType()
	let contentToRender: string = content || ""

	if (!renderAsMarkdown.includes(type)) {
		contentToRender = `~~~${type}
${content}
~~~`
	} else {
		contentToRender = "\n" + content
	}

	if (typeof contentToRender !== "string") {
		res.status(400).send("content must be a string")
		return
	}
	res.status(200).write(markdown(contentToRender))
	res.end()
}

export default renderMarkdown