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import { Project, ProjectMeta } from '@ts/types/app';
import { readdirSync } from 'fs';
import path from 'path';
/**
* Retrieve the projects data from filenames.
* @param {string[]} filenames - An array of filenames.
* @returns {Promise<Project[]>} An array of projects.
*/
const getProjectsWithMeta = async (filenames: string[]): Promise<Project[]> => {
return Promise.all(
filenames.map(async (filename) => {
const id = filename.replace(/\.mdx$/, '');
try {
const {
image,
intro,
meta,
}: { image: string; intro: string; meta: ProjectMeta } = await import(
`../../content/projects/${filename}`
);
const projectMeta: ProjectMeta = meta
? meta
: {
title: '',
publishedOn: '',
updatedOn: '',
license: '',
};
const projectIntro = intro ? intro : '';
const projectCover = image ? image : '';
return {
id,
cover: projectCover,
intro: projectIntro,
meta: projectMeta,
slug: id,
};
} catch (err) {
console.error(err);
throw err;
}
})
);
};
/**
* Method to sort an array of projects by publication date.
* @param {Project} a - A single project.
* @param {Project} b - A single project.
* @returns The result used by Array.sort() method: 1 || -1 || 0.
*/
const sortProjectByPublicationDate = (a: Project, b: Project) => {
if (a.meta.publishedOn < b.meta.publishedOn) return 1;
if (a.meta.publishedOn > b.meta.publishedOn) return -1;
return 0;
};
/**
* Retrieve all projects in content folder sorted by publication date.
* @returns {Promise<Project[]>} An array of projects.
*/
export const getSortedProjects = async (): Promise<Project[]> => {
const projectsDirectory = path.join(process.cwd(), 'src/content/projects');
const filenames = readdirSync(projectsDirectory);
const projects = await getProjectsWithMeta(filenames);
return [...projects].sort(sortProjectByPublicationDate);
};
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