Learn Glmatrix, Mdx and Redwoodjs

MDX has grown rapidly since the first commit two and a half years ago. We'd like to celebrate our accomplishments so far, and talk about what lies ahead. We've got lots of plans.
Learn how MDX increases developer productivity, improves educational content authoring, and even peek behind the curtains to see how MDX works.

MDX is an authorable format that lets you seamlessly use JSX in your markdown documents. You can import components, like interactive charts or notifications, and export metadata. This makes writing long-form content with components a blast.



MDX Conf 2020

Javascript Matrix and Vector library for High Performance WebGL apps.

glmatrix

In this lesson, we see the benefits of using a 3rd party 3D matrix library for performing 3D matrix transformations.

Using a Matrix Library for WebGL

Cole Bemis explains how MDX works by taking us though his own journey digging into what MDX does under the hood.

Demystifying MDX

Laurie Barth walks us through MDX v2's syntax by trying to break it. She starts at markdown syntax and takes us through increasingly complex applications of MDX, including passing dynamic props to .mdx files imported into other .mdx files.

MDX v2 Syntax

Jonathan Bakebwa introduces MDX support for VueJS and NuxtJS while also using Chakra UI Vue for MDX components

MDX and VueJS/NuxtJS

Monica Powell, creator of React Ladies, talks through why someone would migrate from Remark to MDX before going into how to do that and what problems you might run into.

Migrating to MDX

Prince Wilson, MDX contributor, takes us through one aspect of his personal site playground and dives deep into interactive code blocks.

Personal Site Playgrounds with MDX

Rodrigo Pombo introduces [Code Hike](https://codehike.org/) and talks through how Code Hike and MDX empower advanced scrolly telling techniques.

The X in MDX

Kathleen McMahon walks us through a real-world MDX digital garden implementation

Digital Gardening with MDX Magic

Next.js is a minimalistic framework for server-rendered React applications.

Many markdown documents have a metadata section at the very beginning, which contains information such as the title, author and creation date. This section is the so-called "front matter". 

In order to render our markdown-based blog articles on our portfolio site we want to parse them and separate them into the front-matter and main article part. `gray-matter` is a library that helps us with that.

Prefer to read along as well? Here's the [accompanying article](https://blog.nrwl.io/read-and-render-md-files-with-next-js-and-nx-89a85c1d9b44).

Parse a Markdown Document With gray-matter

By leveraging the [dependency graph](https://nx.dev/l/r/structure/dependency-graph), [Nx](https://nx.dev) is able to understand which parts in the monorepo changed and thus trigger actions on those nodes, such as building an app, running tests or linting. This already works out of the box. However, with our portfolio application, all of our markdown articles reside in the root-level `_articles` folder. Those are not captured by the Nx dependency graph and thus Nx would not correctly detect a change to our Next.js site application whenever we change or add a new markdown article.
In this lesson, we learn how to register our `_articles` folder s.t. it appears as a dedicated node in the Nx dependency graph.

Prefer to read along as well? Here's the [accompanying article](https://blog.nrwl.io/publishing-a-next-js-app-to-vercel-with-nx-df81916548f5).

Register our Markdown Articles with the Nx Dependency Graph

One cool aspect of Next.js is its [fast refresh](https://nextjs.org/docs/basic-features/fast-refresh) support. Whenever you change some Next.js component it automatically refreshes the page without hard reloading everything. However, you might notice that whenever we change something within our MDX markdown files, fast refresh is not capturing that, hence we need to manually refresh the browser window.

In this lesson, we learn how to leverage a feature of Nx to create a "[custom Next.js development server](https://nx.dev/l/r/next/server#customserverpath)". We are going to use [chokidar](https://www.npmjs.com/package/chokidar) to watch our articles folder and then invoke a private API on the Next.js server instance to trigger a reload command.

Prefer to read along as well? Here's the [accompanying article](https://blog.nrwl.io/hot-reload-mdx-changes-in-next-js-and-nx-c05252cf450a).

Add Fast Refresh Support to our MDX Files with Nx Support for Custom Next.js Servers

Next.js is all about creating performant web applications. However, the more React components we pull into our MDX via `next-mdx-remote`, the heavier our JavaScript becomes which drains our site's performance. Also, while we might have quite a few React components to be included in our Markdown rendered content, we might not always use all of them in our articles.

In this lesson, we learn how to leverage Next.js dynamic imports to just pull the minimum necessary components into our final JavaScript bundle. Also, we look into why we might want to do deep imports into our Nx library setup to decrease the size of the bundle even more.

Prefer to read along as well? Here's the [accompanying article](https://blog.nrwl.io/component-hydration-with-mdx-in-next-js-and-nx-90f46ea0431c).

Dynamically Loading React Components with next-mdx-remote and Next.js Dynamic imports

The markdown rendering includes a lot of native HTML tags as well of course. Assume for instance we want to change the behavior of links within our rendered document. We can definitely create a custom component and include that in our MDX document, but we’d rather not want to have to use a specific `<Link>` component and rather be able to keep the native way of rendering links in Markdown, that is `[some link](https://juri.dev)`.

Turns out that with `next-mdx-remote` we are able to automatically replace all rendered `<a>` tags (or really any other tag we want) with a React Component.

Prefer to read along as well? Here's the [accompanying article](https://blog.nrwl.io/component-hydration-with-mdx-in-next-js-and-nx-90f46ea0431c).

Use React Components for Native HTML Tags with MDX and Next.js

When rendering our markdown we might want to enrich the experience with some dynamic content. Many static site generators allow to include dynamic content placeholders for like embedding a Youtube video, generating table of contents, code blocks with interactive functionality and more. One way to achieve this in the React ecosystem is by using MDX. MDX is similar to JSX but for Markdown content, and allows us to directly embed React components within it. This gives an enourmous flexibility to what we can display within a page.

In this lesson we’re going to generate a new Nx library to host our “mdx elements” and learn how to leverage the `MDXRemote` component to embed these React components into our markdown rendering flow.

Embed React Components in our Markdown with MDX in a Next.js App

Once we have separated the front-matter from the rest of the markdown document, we can proceed to convert it to HTML, for then finally render it with our Next.js page component. In this lesson we use `next-mdx-remote` to parse the markdown string into HTML and we learn how to leverage the `MDXRemote` component to include it into our page component.

Prefer to read along as well? Here's the [accompanying article](https://blog.nrwl.io/read-and-render-md-files-with-next-js-and-nx-89a85c1d9b44).

Render Markdown With next-mdx-remote in our Next.js Page Component

In a plain normal Next.js application you would place your markdown processing logic somewhere within a folder insider your Next application. We could do the very same in an Nx monorepo, however, we get much more benefits by moving it into a dedicated library in the `libs` folder.

[Nx workspace libraries](https://nx.dev/l/a/structure/grouping-libraries#example-workspace) allow you to nicely encapsulate your functionality as well as to easily share it with other apps that might potentially live in our workspace. In this lesson, we learn how to generate a new library with Nx generators and how to import the library into our Next.js application.

Prefer to read along as well? Here's the [accompanying article](https://blog.nrwl.io/read-and-render-md-files-with-next-js-and-nx-89a85c1d9b44).

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