Swift_Argument_Parser_iPlayground_2020.pdf

Transcript

1. Let’s build Command-Line Tools: Swift Argument Parser iPlayground 2020 By Wang Shuo Yen
2. Wang Shuo Yen 王碩彥 40% iOS / 10% Flutter ☕ 40% Medium: https://medium.com/@yusatrtru Github: https://github.com/danishuotw
3. Agenda •What’s Swift Argument Parser? •How to use it? • Property wrapper • Customizing help • Validation • Subcommands •Demo
4. What’s Swift Argument Parser •New framework package in Swift •Allow you to create command line tools
7. Property Wrapper
8. Customizing option and flag names
9. Customizing Help
10. Validation
11. How to make commands like git? •git add . •git push <remote> - tags •git remote prune origin
12. Subcommands
13. Enumeration
14. Making Asynchronous Tasks Behave Synchronously
15. Demo
16. Swift Package Commands •swift package init --type executable •swift package generate-xcodeproj
17. How to get Unix executable file •-> swift build -c release •-> cd .build •-> cd release •-> find <project> exec file
18. Appendix: Reference • GitHub: Swift Argument Parser • swift.org: Announcing ArgumentParser • The Ultimate Guide To Swift Executables • Writing Command Line Tools in Swift Using ArgumentParser
19. Metrics: Pods vs Carthage vs SPM https://www.innominds.com/blog/a-new-approach-to-managing-dependencies-in-ios-development-with-sw ift-package-manager
20. Thank you Wang Shuo Yen 王碩彥 Medium: https://medium.com/@yusatrtru