sendou.ink/app/features/articles/core/bySlug.server.ts

import fs from "node:fs";
import path from "node:path";
import matter from "gray-matter";
import { ZodError } from "zod";
import { ARTICLES_FOLDER_PATH } from "../articles-constants";
import { articleDataSchema } from "../articles-schemas.server";

export function articleBySlug(slug: string) {
	try {
		const rawMarkdown = fs.readFileSync(
			path.join(ARTICLES_FOLDER_PATH, `${slug}.md`),
			"utf8",
		);
		const { content, data } = matter(rawMarkdown);

		const { date, ...restParsed } = articleDataSchema.parse(data);

		return {
			content,
			date,
			dateString: date.toLocaleDateString("en-US", {
				day: "2-digit",
				month: "long",
				year: "numeric",
			}),
			authorLink: authorToLink(restParsed.author),
			...restParsed,
		};
	} catch (e) {
		if (!(e instanceof Error)) throw e;

		if (e.message.includes("ENOENT") || e instanceof ZodError) {
			return null;
		}

		throw e;
	}
}

function authorToLink(author: string) {
	if (author === "Riczi") return "https://twitter.com/Riczi2k";

	return;
}