Testing a Gatsby application with Cypress on Gitlab CI

In this blog post, we will go over how we can automatically test a Gatsby site end-to-end (e2e), using Cypress on Gitlab CI. Introduction Gatsby Gatsby is a static site generator (SSG) built upon React. It allows us to create “blazing” fast websites. In this example, we will use a simple blog starter template available and add a Cypress test. Cypress Fast, easy and reliable testing for anything that runs in a browser....

How to add a ToC in Gatsby

A lot of people, I included, are using Gatsby to build their own blogs. One of the things I wanted to add to my blog was a table of contents (ToC) 📝. A ToC will show you all the headings of an article and when you click on a heading it’ll take you directly to that heading. It’s a nice little feature to have on your blog, which makes it easier for users to navigate and find the information they are looking for....

Add an 'edit post' button to your Gatsby blog

In this article, we will look at how we can add an “edit post” button, to your Gatsby blog. When this button is clicked it will take the user to your markdown file, on github/gitlab that was used to generate the blog post they are currently viewing. Setup Before we add the edit button to a Gatsby blog, let’s set up a simple Gatsby site using the Gatsby blog starter. You can skip this step and add the button to an existing site....

How to add offline search to a Gatsby blog

Let’s take a look at how we can add offline local search 🔍 to a Gatsby blog. There are two main types of search we can use an offline search like elasticlunr and external API search engines like ElasticSearch. These are typically more scalable but also more expensive. You can find more info here. In this article, I will show you how to add offline search to your Gatsby blog using elasticlunr....

Using React Hooks, Context & Local Storage

In this article, I will show how you can use React Context with React Hooks to store global state across a React app, then store that state in local storage. This can be used for example to store light vs dark theme, then whenever the user visits your website again they will have the same theme they last selected. Which leads to an improved experience. Structure Note: We will be using typescript...

Using React Native with Firebase Cloud Functions and Gitlab CI

In this article, we will talk about how you can use React Native with Firebase Cloud Functions. We will also go over how we can automate the process of updating the cloud functions using Gitlab CI. Firebase is a cloud-based platform developed by Google to aid in the development of Web and Mobile applications. It is tightly coupled with the Google Cloud Platform (GCP), so much so that there are certain actions you can only do using the GCP GUI, such as increasing the RAM of your cloud function “containers”....

Auto Toggle Dark Theme on your React Native App

In this article, I will show you how you can change the theme of your app depending on the time of the day. We will change the theme of the app depending on if the sun has set or risen. Our Application To get started we will create a new React Native app by running the following command, react-native init ExampleApp --template typescript. Note: We are using path aliases so ~ is the same as saying src/, this keeps the import paths cleaner....