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import { promises as fs } from 'fs';
import path from 'path';
import marked from 'marked';
import markedOptions from './markedOptions';
marked.setOptions(markedOptions);
interface PostMetadata {
name: string;
lastUpdated: string;
}
interface Post {
directory: string;
path: string;
meta: PostMetadata;
}
export type {
PostMetadata,
Post
};
async function getMetadata(postPath : string) : Promise<PostMetadata> {
const metaPath = path.join(postPath, 'meta.json');
const postMetadata = await fs.readFile(metaPath, 'utf8');
return JSON.parse(postMetadata) as PostMetadata;
}
const POST_PATH = path.join(process.cwd(), 'posts');
async function getPostFromDirectory(directory : string) {
const postPath = path.join(POST_PATH, directory);
const meta = await getMetadata(postPath);
return {
directory,
path: postPath,
meta
};
}
async function getPosts() : Promise<Post[]> {
const directories = await fs.readdir(POST_PATH);
const posts = await Promise.all(directories.map(getPostFromDirectory));
return posts.sort((post_a, post_b) => {
const a = new Date(post_a.meta.lastUpdated);
const b = new Date(post_b.meta.lastUpdated);
if(a === b)
return 0;
if(a > b)
return -1;
return 1;
});
}
async function getMarkdown(post : Post) : Promise<string> {
const markdownPath = path.join(post.path, 'main.md');
const markdown = await fs.readFile(markdownPath, 'utf8');
const html = marked(markdown);
return html;
}
export {
getPosts,
getMarkdown,
getPostFromDirectory
};
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