Some types like Array and NSMutableArray aren't automatically interchangable, so I had to insert a lot of extra type casting.
#Objc to swift converter code
And after converting about 30 classes, I found myself spending most of my time tweaking code for interoperability between Objective-C and Swift. I don't want the mental load of maintaining a hybrid of two different programming languages long-term. I have a project of similar size to the original poster (250 classes, 7 MB of source code). Here's a different perspective from the other answers. Step 10: You can set a shortcut (Key Binding) for any command via Xcode -> Preferences -> Key Bindings. Step 9: You can also use the Right-Click menu to convert code from most macOS text editor apps:
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Step 8: The new Finder extension allows you to convert files, folders and even ZIP archives with your projects using the Right-Click menu: Step 7: Run (or restart) Xcode and check the Editor -> Swiftify menu. Step 6: If there’s nothing in the Editor menu, open System Preferences -> Extensions and put a checkmark next to “Swiftify for Xcode”. Please, Sign In or Sign Up Free to get your own API key. Step 5: Run “Swiftify for Xcode” from your Applications folder and enter the following API key: Under the section labeled "Allow applications downloaded from," select "Mac App Store and identified developers". Step 4: If the app is blocked from running, go to the Apple menu > System Preferences.
#Objc to swift converter install
Step 3: Download and install Swiftify for Xcode. Step 2: Sign or Sign Up to site to download the app. Step 1: Make sure you have latest version of Xcode (Recommended Xcode 11 & newer).
Besides, you can also build modules from scratch in the form of smaller projects and then just drag and drop in Objective-C project.Once you are done with smaller ones, slowly start picking up big modules also you may find open source Swift libraries which are in Objective-C in your project.
Reference: How can I import Swift code to Objective-C?