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