Gatsby is a blazing fast static site generator built with React. Gatsby gives you all of the modern JavaScript tools you want; set up and ready to go out of the box.

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Learn Gatsby

This lesson walks through how to update and query frontmatter data for Gatsby blog posts in order to display featured articles separately from recent articles.

Display Featured Articles through Frontmatter Properties on a Gatsby Blog

JavaScript® (often shortened to JS) is a lightweight, interpreted, object-oriented language with first-class functions, most known as the scripting language for Web pages, but used in many non-browser environments as well such as node.js or Apache CouchDB. It is a prototype-based, multi-paradigm scripting language that is dynamic, and supports object-oriented, imperative, and functional programming styles.

javascript

It's possible to pass configuration parameters to your Gatsby plugin. One use case is just allow the plugin to be used multiple times creating different queries that will be available for your site.

To do this you need to refactor the origin plugin code to accept this parameters and update the `gatsby-config.js` file to set them there.

Use configuration parameters for a Gatsby source plugin

Es posible pasar parámetros que ayuden a configurar tu plugin de Gatsby. Uno de sus caso de uso es permitir que el plugin se utilice multiples veces creando diferentes consultas que estarán disponibles para tu sitio.
Para esto es necesario refactorizar el plugin original para aceptar estos parámetros que son configurados mediante el archivo `gatsby-config.js`

Utilizar parámetros de configuración en un plugin para Gatsby

The plugin that you just implemented, each created node contains an attribute call `artwork_url` that references an URL for an external image. Is possible to directly use that URL to load the images in your site, but the images can big big and take too much time to load. You can optimize this images directly in your plugin to allow the site that use it to drop it directly into `gatsby-image`.


To accomplish the goal of optimizing the external images, your plugin will have to create a new type of node. This new file node will allow the user of your plugin to harness the power of the plugins `gatsby-plugin-sharp` and `gatsby-transformer-sharp` to perform transformations over the image field.


Optimize Remote Images in a Gatsby Source Plugin

En el plugin que has implementado, cada nodo creado contiene un atributo `artwork_url` que hace referencia a la url de una imagen externa. Es posible usar esa URL directamente para cargar las imágenes en tu sitio, pero estas pueden ser muy grandes y tomar mucho tiempo en cargar. Pero es posible optimizar dichas imágenes directamente en el plugin para que el sitio que utilice tu plugin pueda utilizar directamente  `gatsby-image`.


Para lograr optimizar las imágenes externas tu plugin tendrá que crear un nuevo tipo de nodo. Este nuevo nodo tipo archivo permitirá al usuario de tu plugin usar los plugins `gatsby-plugin-sharp` y `gatsby-transformer-sharp` para realizar transformaciones en la imagen.


Optimizar images remotas en un plugin fuente para Gatsby

A collection of lessons that describe how to create a Gatsby source plugin from scratch to npm

Creating a Gatsby Source Plugin

In this lesson, we'll create a new custom React Hook that we'll use to make a GraphQL query to request data that we custom sourced from the PokeAPI. We'll walk through migrating our useStateQuery Gatsby hook to our new custom hook, configuring our output of the custom hook, and using it to access our custom sourced data.

Create a Custom React Hook Using Gatsby’s useStaticQuery to Query Custom Sourced Data

In this lesson, we'll walk through using Gatsby's useStaticQuery React Hook to request data that we custom sourced from the PokeAPI. We'll copy over a GraphQL query from our GraphQL explorer, clean up the data, and use it to populate Pokemon in our app.

Use Gatsby’s useStaticQuery React Hook to Query Custom Sourced Data for a Web App

Crearás tu propio plugin de fuentes (source plugin) para gatsby para obtener datos de una fuente externa disponible por medio de una API Rest. El plugin integrará los datos como nodos de gatsby y creará las consultas graphql necesarias para ser utilizadas en tu sitio.

Para crear un plugin de fuentes utilizaremos algunos de los métodos que la API de gatsby provee como `sourceNodes`, `createNode`,`createNodeId` y  `createContentDigest`

Crear un plugin de gatsby para consumir datos de una API externa

You will create your own source plugin for gatsby to get external data avaialable through a REST API into gatsby. The plugin will retrieve the data and create the gatsby nodes to make the data available through the gatsby graphql queries so you can use the data into your site.

To create this source plugin you will use some of the methods provided by the gatsby API like `sourceNodes`, `createNode`, `createNodeId` and  `createContentDigest`

Create a Gatsby Source Plugin to Consume an External REST API

Learn how to use the features of `gatsby-theme-blog` version 2.0.

Blog Theme 2.0

Set up `gatsby-theme-blog` in order to add pre-built blog functionality to your Gatsby site.

Install and Configure Gatsby Blog Theme

Use the built-in `prismPreset` option to add prism highlighting to `gatsby-theme-blog`.

Note that this is only available in Blog Theme 2.0 and beyond.

Add Prism Highlighting to a Gatsby Blog Theme site

In this lesson, you'll learn how to use Gatsby's GraphQL explorer GraphiQL in order to query your data. We'll walk through starting up the Gatsby development server which starts up GraphiQL and how to use it to make a basic query, explore custom Pokemon data sourced in Gatsby, and generate a code snippet of that query to use in our app.

Use Gatsby’s GraphQL Explorer GraphiQL to Query and Browse Your Custom Sourced Data

In this lesson, you'll learn how to create custom nodes in Gatsby sourced from data from the PokeAPI. We'll walk through making Gatsby's API available through createNode and how to use it to make our data available to query in GraphQL. 

Create and Source Custom Nodes from Data in Gatsby with createNode

In this lesson, you'll learn how to request custom data in Gatsby in order to later source it for your application. We'll walk through configuring a sourceNodes export in gatsby-node.js and using the node-fetch package to request a list of Pokemon from the PokeAPI.

[PokeAPI](https://pokeapi.co/)

Request Data from a Custom API Endpoint to Source Nodes in Gatsby with gatsby-node.js

The Gatsby ecosystem supports a ton of plugins that allow you to easily source data from a variety of sources like a GraphQL CMS or Wordpress. But what if you wanted to source your own custom data?

In this collection, we'll walk through learning how to source custom data and create nodes in Gatsby in order to build out a Pokedex using the PokeAPI. We'll learn how to request the data in Gatsby's build process, create nodes with that data, query that data, and use it to create a Pokemon Pokedex UI.

Source and Create Nodes with Data from an API in Gatsby to Create a Pokemon Pokedex

This lesson explains how to automatically set up a full blog on Gatsby Cloud, with just a few clicks of a button. You can have a Github repository, Contentful workspace with content types of Blogposts, and Authors all set up from Gatsby Cloud. You can also leverage on Incremental Builds and other performance, build time advantages available on Gatsby Cloud



Automatically Create a Blog on Gatsby Cloud with Contentful CMS

Unlike Next.js, Gatsby doesn't come with any way to include serverless functions (AKA "API Routes"). Fortunately, Netlify Functions offers the same functionality, with just a bit of setup.

This video shows how to configure an existing Gatsby site deployed through Netlify to enable functions, and how to test them locally. After following the steps in this video, you'll be all set up to add your own functions for a drop-in backend based on AWS Lambda.

Enable Netlify Functions for Gatsby Development

This lesson explains how to set up a Gatsby site using a Contentful CMS on Gatbsy Cloud, it shows the correct way to enable incremental builds on Gatsby Cloud and the performance and build time advantages of this Gatsby Cloud feature. 

Set up a Gatsby Site for Incremental Builds with Contentful CMS on Gatsby Cloud

In this lesson, we'll our TakeShape CMS project to update the content of our Gatsby website. We'll walk through adding a new content scheme in TakeShape, adding the content to that page scheme, and using GraphQL to query our new content to create a new page in Gatsby.

Add New Content to a Gatsby Website with TakeShape CMS and Query it with GraphQL

When comparing two visually similar websites, it can often be challenging to precisely identify the subtle differences between them. To facilitate a rapid analysis of these discrepancies, a practical technique involves leveraging Chrome's integrated developer tools to capture full-page screenshots of each site. Subsequently, these screenshots can be uploaded to a platform like AI Studio. There, the AI can analyze the images and generate a report detailing the variations. This entire process, leveraging a few quick shortcuts, can be completed in under a minute, delivering a comprehensive breakdown of the differences for efficient comparison and analysis.

Quickly Compare Two Sites Using AI Studio with Chrome Full Page Screenshots

It's fairly trivial to create a React project, but there's always a big hurdle between creating it locally and making it shareable so that someone else can run it. This lesson walks you through the process of automating creating a React project locally, creating the repository where it's going to be hosted, and creating shareable links where it can be run so that you can quickly and easily create single one-off demos and shoot them over to your friends and coworkers for sharing your code ideas in a working environment.


```bash
share-react-project() {
  if [[ -z "$1" ]]; then
    echo "Usage: share-react-project <project_name>"
    return 1
  fi

  local project_name="$1"
  local github_username=$(gh api /user --jq '.login')

  echo "Creating Vite project: $project_name"
  pnpm create vite "$project_name" --template react

  cd "$project_name"

  echo "Initializing Git repository"
  git init

  echo "Adding all files to Git"
  git add .

  echo "Creating initial commit"
  git commit -m "Initial commit"

  local codesandbox_link="https://codesandbox.io/p/github/${github_username}/${project_name}"

  echo "Adding CodeSandbox link to README.md"
  echo "" >> README.md
  echo "## CodeSandbox" >> README.md
  echo "[![Open in CodeSandbox](https://assets.codesandbox.io/github/button-edit-blue.svg)](${codesandbox_link})" >> README.md

  echo "Adding README.md to Git"
  git add README.md

  echo "Committing README.md changes"
  git commit -m "Add CodeSandbox link"

  echo "Creating GitHub repository: $github_username/$project_name"
  gh repo create "$github_username/$project_name" --public

  echo "Pushing to remote 'origin'"
  git push -u origin main

  echo "Project '$project_name' created successfully!"
  echo "GitHub repository: https://github.com/$github_username/$project_name"
  echo "CodeSandbox link: $codesandbox_link"
}
```

Automate Creating a Local React Project, GitHub Repository, and Live Hosted Demo in a Single Command

[Verdaccio](https://verdaccio.org/) is a fully featured NPM registry that you can run locally on your machine. It’s a great tool for testing your release process, running end-to-end tests, and simulating real-world scenarios like deploying packages, installing them, and verifying functionality as an end user would.

Nx includes a [generator](https://nx.dev/features/generate-code) that simplifies setting up Verdaccio. To configure it, run:

```shell
npx nx g @nx/js:setup-verdaccio   
```

This command installs the necessary NPM packages and creates a `project.json` file with a `local-registry` target. To start the local registry, open a new terminal window and run:

```shell
npx nx local-registry
```

This will:
- Launch the Verdaccio registry.
- Configure NPM to point to the local Verdaccio server at `http://localhost:4873`.

> **Note:** A `project.json` file provides an advanced way to define scripts, offering more flexibility than a traditional `package.json` for managing complex targets.

Setup local Verdaccio server to release NPM packages

Learn how to spin up a local NPM registry powered by Verdaccio to test deploy your NPM packages.

In TypeScript, developers often begin by defining the structure of their data using type definitions or interfaces, which is a powerful way to ensure type safety. However, as applications grow and become more complex, simply defining the shape of an object might not be enough to guarantee its consistent creation and behavior throughout the codebase. This often leads to situations where objects that are intended to be of a certain "type" might be missing crucial properties or have incorrect data, which can be difficult to track down and debug.

This lesson tackles the question of when and why to move beyond basic type definitions and embrace classes in TypeScript. It demonstrates how classes provide a more robust mechanism for defining object structure, enforcing type constraints, and ensuring consistent object creation. By establishing a clear blueprint for objects, classes not only improve compile-time type safety but also offer runtime benefits and better code organization, ultimately helping developers avoid common pitfalls associated with loosely structured objects in larger TypeScript projects.

Stop Avoiding Classes in TypeScript

Karabiner isn't only for your keyboard. It can also hijack your mouse buttons and enable them to be similar to layers on your keyboard, where holding down a mouse button can allow you to tap keys on your keyboard to trigger commands and macros that can completely revolutionize your workflows. For example, you can hold down the right mouse button and tap on R to go to references in VS Code. Or hold down the right mouse button and tap the left mouse button to chop up videos and Screenflow.

This completely unlocks a whole new world of possibilities and use cases for your mouse as you can hover your mouse over anywhere on the page. And just tapping keys on your keyboard allows you to trigger mouse actions, to trigger keyboard actions, or to trigger macros and applications and terminal commands. and anything that your imagination can come up with. 

Karabiner: Rethinking Right-Click as a Macro Command Center

Make an HTML table more readable on mobile devices by using the ::before pseudo-element. We add labels to each cell, so they appear like cards when the table is viewed on smaller screens. The ::before content is set using a data-label attribute for each cell to enhance mobile viewability without horizontal scrolling.



Create a mobile friendly table with the before pseudo-element

Learn to use CSS ::before pseudo-element for mobile-friendly HTML tables. Add labels to cells for enhanced readability on mobile, avoiding horizontal scroll.

Any app of a decent size has event flows and messages being passed around. At a certain point it becomes complicated to explain it through prose and you want to turn towards diagrams. Now setting aside the time to create diagrams that accurately describe what's happening in your codebase can be quite time consuming. Luckily, with today's AI tools, we can now just do basic walkthroughs with rough recordings over codebase dictating what's going on along the way and then upload that to tools like AI Studio and then ask it to generate diagrams in a text-based format such as Mermaid that will then generate the flowcharts and diagrams for us. So this video walks us through this process of recording a rough video, uploading it to AI Studio and then asking AI Studio to generate the proper Mermaid diagram syntax.

Generate Mermaid Flow Chart Diagrams with Gemini 2.0 from Rough Screen Recordings

I'm a diehard Karabiner user and anytime I start doing something repetitively I always move it into my Karabiner configuration. Sometimes I'll fall into scenarios where I want to trigger a command, but I also want to know if that command succeeded or failed. Since Karabiner can trigger any command, setting up the command is fairly straightforward, but knowing whether it succeeded or failed became much more difficult. Luckily for me there is a package called terminal-notifier that you can install from homebrew and you can pipe the output of your command to terminal-notifier. And have a seamless way of triggering your keyboard shortcut which runs a command and you can be notified of the results.

Use Karabiner to Trigger a Terminal Command and Get Notified of the Results

There are a lot of scenarios when inspecting a site in Chrome where you don't want any click events to fire and you don't want any scripts to run. Or maybe something is animating in and out of the page and you want to capture it at a certain moment. This is a great use case for pausing script execution, which is kind of using the debugger manually by going into the Chrome DevTools and the Sources tab and clicking the pause button to essentially pause the entire page. This will give you a chance to inspect any of the elements and styles you want to inspect. And you don't have to worry about fire and click events or anything that might interrupt your investigation into the elements and styles that you want to find.

Pause Script Execution in Chrome to Easily Inspect Elements

Gemini 2.0 has a context window of a million tokens, and this means that you can upload hundreds of files and allow it to inspect and analyze massive refactors across entire code bases. 

This lesson demonstrates concatenating an entire code base into a single file and then uploading it to AI Studio. Once within AI Studio, we ask it to find the types of tasks that it can evaluate for us. Then we select one of the tasks and ask it to generate instructions for that task. Once those instructions are complete, we then turn them over to Windsurf's Cascade agent, and we allow Windsurf's Cascade to do all of the work for us as we sit back, relax, and let the AI do our jobs.

Gatsby

Build a Developer Blog with Gatsby

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