Get All Files and Folders in Node.js Directories

In this tutorial, we’ll look at how to read all .mdx files in a directory structure like this:

Managing markdown files, especially in .mdx format, can be essential for content-driven applications. This guide shows how to retrieve and process .mdx files in a nested directory structure using Node.js, fs, and gray-matter.

Check out this collection of code snippets for handling various folder and file operations efficiently.

1. Retrieve Directories:

This function lists all directories within a specified path by filtering out non-directory items.

2. Flattening Arrays:

The flatten function merges nested arrays into a single-level array, simplifying handling directory structures.

3. Recursive Directory Search:

Recursively collects all directories and subdirectories under a given path.

4. Retrieving MDX Files:

This function searches for .mdx files in a specified directory.

5. Retrieve MDX Files from Multiple Folders:

This function accepts an array of folder paths and retrieves .mdx files from each.

6. Reading MDX File Content and Metadata:

Here, gray-matter is used to parse front matter (metadata) from MDX files.

7. Compiling MDX Data:

8. Specific Data Retrieval for Blog

These functions streamline the retrieval of data for specific types of content.

9. Formatting Dates:

This function formats dates for blog posts, optionally including relative dates.

Full code

Conclusion

This setup allows you to organize and process .mdx files in various directories, ideal for a blog or CMS system. Using fs and gray-matter, you can dynamically read and parse metadata and content, building a powerful, file-driven content management layer in Node.js.