How to modularize an iOS app with SPM packages

This is the third part of a mini series where I share lessons from my day job. This time it's all about how I take a repo where all its code is in the main iOS target and modularize it using local SPM packages. In this way, I can easily: reuse code in different targets work isolated in modules with faster speed of iteration have clear boundaries between modules of the app The full sample code from this video can be found in: Initial state: https://github.com/fespinoza/Youtube-... End state: https://github.com/fespinoza/Youtube-... #swiftUI #spm #swift #iOS #architecture #modularization *Amazon Links are affiliate links -------------------------------- 👋 You can find me in -------------------------------- BlueSky: https://bsky.app/profile/fespinozacas... Github: https://github.com/fespinoza BuyMeACoffee: https://buymeacoffee.com/craftingswift -------------------------------- 📸 Camera Gear -------------------------------- Camera: Sony A6700 (https://amzn.to/4iYkLYR) Lens: Sigma 16mm 1.4 for Sony E (https://amzn.to/4bYAmFz) Elgato Prompter (https://amzn.to/3A2ZLiY) Key light: Godox ML100Bi (https://amzn.to/41YCW9Y) Mic #1: DJI mic 2 + DJI lavalier mic (https://amzn.to/4hL8F4m) Mic #2: Elgato Wave DX + Elgato Wave XLR (https://amzn.to/4hjvbSR) M1 Max Macbook Pro (https://amzn.to/3NG5ZIv) Screen Recording: CleanShot X -------------------------------- 📖 Reading Tools -------------------------------- I have an affiliate link, but I honestly recommend trying readwise. I like how helps you remember what you read. The reader app is excellent for articles too! https://readwise.io/craftingswift/ It gives you an extra month of your trial period -------------------------------- 🏷️ Chapters: -------------------------------- 00:00 - 1. Intro 00:54 - 2. Why Divide 01:50 - 3. How do we divide 03:57 - 4. Example 04:15 - 4.1. The Plan 05:52 - 4.2. Extract Base Models 07:11 - 4.3. Networking Package 07:49 - 4.4. Navigation 09:31 - 4.5. Feature Package 10:48 - 5. Conclusion