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import type { Post } from "../interfaces";
import fs from "fs";
import { join } from "path";
import matter from "gray-matter";
const postsDirectory = join(process.cwd(), "_posts");
export function getPostSlugs() {
return fs.readdirSync(postsDirectory);
}
export function getPostBySlug(slug: string, fields: string[] = []) {
const realSlug = slug.replace(/\.md$/, "");
const fullPath = join(postsDirectory, `${realSlug}.md`);
const fileContents = fs.readFileSync(fullPath, "utf8");
const { data, content } = matter(fileContents);
const items: Post = {};
// Ensure only the minimal needed data is exposed
fields.forEach((field) => {
if (field === "slug") {
items[field] = realSlug;
}
if (field === "content") {
items[field] = content;
}
if (typeof data[field] !== "undefined") {
items[field] = data[field];
}
});
return items;
}
export function getAllPosts(fields: string[] = []) {
const slugs = getPostSlugs();
const posts = slugs
.map((slug) => getPostBySlug(slug, fields))
// sort posts by date in descending order
.sort((post1, post2) => (post1.date > post2.date ? -1 : 1));
return posts;
}
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