How to Parse JSON Data from the GitHub API in Swift

Learn how to easily parse JSON data from the GitHub API to extract folder names using Swift. This blog guides you step-by-step through the process.
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How to Parse JSON Data from the GitHub API in Swift

As a developer, interacting with APIs is often an essential task. When it comes to retrieving data from GitHub—like folder names in a specific repository—things can get a little complicated if you are not familiar with JSON parsing in Swift. If you're feeling overwhelmed, don’t worry! This guide will walk you through the process of fetching and parsing JSON data from the GitHub API.

The Challenge

You have an API endpoint to get the contents of a GitHub repository:

[[See Video to Reveal this Text or Code Snippet]]

However, you’re unsure about how to extract the relevant folder names from the JSON response.

Solution Overview

To resolve this challenge, we will:

Make an API Call to the GitHub endpoint.

Parse the JSON Response to retrieve folder names.

Display the Folder Names in a SwiftUI List.

Step 1: Making the API Call

You will start by setting up a function that fetches data from the GitHub API using Swift's URLSession. Here’s how:

[[See Video to Reveal this Text or Code Snippet]]

Step 2: Parsing the JSON Response

To decode the JSON response, you'll create a struct that matches the structure of the JSON returned by the GitHub API. Here’s an example struct for the repo content:

[[See Video to Reveal this Text or Code Snippet]]

Step 3: Displaying the Data in SwiftUI

Next, you'll want to display the folder names in your SwiftUI view. Use a List to show the folders:

[[See Video to Reveal this Text or Code Snippet]]

Conclusion

You now have a comprehensive method for making API calls, parsing JSON data, and displaying that data in a user-friendly format with SwiftUI. This is a great way to make your application interactive and dynamic by leveraging data from GitHub.

Feel free to experiment with the provided code and modify it to fit your specific needs or repository structure. Happy coding!