swift-init-generator
Uses the Swift parser to generate initializers
After selecting lines containing variable declarations, run the extension command to produce the corresponding initializer.
Example
Installation
Download the app extension
Unzip it
Move swift-init-generator.app
to Applications
Start swift-init-generator.app
Go to System Preferences -> Extensions -> Xcode Source Editor and enable swift-init-generator
Restart Xcode
Alternate Installation
Configure the code signing on both targets
Run the target swift-init-generator
Restart Xcode