sbt-uglifier

Lightning Talk @ ScalaMatsuri 2018 After party

Transcript

1. sbt-ugli er Lightning Talk @ ScalaMatsuri 2018 After party
2. About Me Haruki Okada twitter/github: @ocadaruma Scala/Java developer
3. What is sbt-ugli er ? https://github.com/ocadaruma/sbt-ugli er ≠ sbt-uglify Ugli es Scala sources
4. Use cases ?
5. How does it work ? Surround each Scala source with package block Replace newline with whitespace/semicolon Concat all sources
6. Example Try to uglify scala-csv https://github.com/tototoshi/scala-csv addSbtPlugin("com.mayreh" % "sbt-uglifier" % "1.0") $ sbt > uglify
7. Result
8. Result > test [info] All tests passed. [info] Passed: Total 60, Failed 0, Errors 0, Passed 60
9. Example Try to uglify nscala-time https://github.com/nscala-time/nscala-time $ sbt > uglify > test [info] Failed: Total 21, Failed 0, Errors 18, Passed 3 Exception: java.lang.NoSuchMethodError: com.github.nscala_time. ...
10. Example Seems a bug of Scala https://github.com/scala/bug/issues/10783
11. Conclusion Let's write a joke plugin and report issues