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import { Project, ProjectMeta } from '@ts/types/app';
import { readdirSync } from 'fs';
import path from 'path';
/**
* Retrieve project's data by id.
* @param {string} id - The filename without extension.
* @returns {Promise<Project>} - The project data.
*/
export const getProjectData = async (id: string): Promise<Project> => {
try {
const {
intro,
meta,
seo,
tagline,
}: {
intro: string;
meta: ProjectMeta & { title: string };
seo: { title: string; description: string };
tagline?: string;
} = await import(`../../content/projects/${id}.mdx`);
const { title, ...onlyMeta } = meta;
return {
id,
intro: intro || '',
meta: onlyMeta || {},
slug: id,
title,
seo: seo || {},
tagline: tagline || '',
};
} catch (err) {
console.error(err);
throw err;
}
};
/**
* Retrieve the projects data from filenames.
* @param {string[]} filenames - An array of filenames.
* @returns {Promise<Project[]>} An array of projects with meta.
*/
const getProjectsWithMeta = async (filenames: string[]): Promise<Project[]> => {
return Promise.all(
filenames.map(async (filename) => {
return getProjectData(filename);
})
);
};
/**
* Method to sort an array of projects by publication date.
* @param {Project} a - A single project.
* @param {Project} b - A single project.
* @returns The result used by Array.sort() method: 1 || -1 || 0.
*/
const sortProjectByPublicationDate = (a: Project, b: Project) => {
if (a.meta.publishedOn < b.meta.publishedOn) return 1;
if (a.meta.publishedOn > b.meta.publishedOn) return -1;
return 0;
};
/**
* Retrieve all the projects filename.
* @returns {string[]} An array of filenames.
*/
export const getAllProjectsFilename = (): string[] => {
const projectsDirectory = path.join(process.cwd(), 'src/content/projects');
const filenames = readdirSync(projectsDirectory);
return filenames.map((filename) => filename.replace(/\.mdx$/, ''));
};
/**
* Retrieve all projects in content folder sorted by publication date.
* @returns {Promise<Project[]>} An array of projects.
*/
export const getSortedProjects = async (): Promise<Project[]> => {
const filenames = getAllProjectsFilename();
const projects = await getProjectsWithMeta(filenames);
return [...projects].sort(sortProjectByPublicationDate);
};
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