Upgrade to Pro — share decks privately, control downloads, hide ads and more …

sbt-uglifier

Avatar for Okada Haruki Okada Haruki
March 17, 2018
Technology
1.3k
0

 sbt-uglifier

Lightning Talk @ ScalaMatsuri 2018 After party

Avatar for Okada Haruki

Okada Haruki

March 17, 2018

More Decks by Okada Haruki

See All by Okada Haruki
HyperLogLog feature of ClickHouse
Avatar for Okada Haruki ocadaruma
0
1.5k
HyperLogLog is interesting
Avatar for Okada Haruki ocadaruma
3
890
A Redis compatible HLL implementation in Java
Avatar for Okada Haruki ocadaruma
0
350
Sparkが社内で流行ってきた話
Avatar for Okada Haruki ocadaruma
4
960

Other Decks in Technology

See All in Technology
組織の中で自分を経営する技術
Avatar for shoota shoota
0
230
Amazon Bedrock 経由の Claude Cowork を試してみよう・MCP にも繋いでみよう
Avatar for Kazuya Sugimoto sugimomoto
0
290
OpenClawとHermesAgentでAI新入社員を作った話
Avatar for yanada takanoriyanada
0
150
Javaで学ぶSOLID原則
Avatar for Negima negima
1
240
Oracle AI Database@Azure：サービス概要のご紹介
Avatar for oracle4engineer oracle4engineer
PRO
6
1.8k
Platform engineering for developers, architects & the rest of us (AI agents)
Avatar for danielbryantuk danielbryantuk
0
160
A Harness for Behaviour: how to get AI to generate code that does what we intend, or "TDD in the age of AI"
Avatar for Matteo Vaccari xpmatteo
1
520
Oracle AI Database@AWS：サービス概要のご紹介
Avatar for oracle4engineer oracle4engineer
PRO
4
2.7k
はじめてのDatadog
Avatar for KairiM kairim0
0
240
AIガバナンス実践 - 生成AIコネクタのデータ漏洩リスクと実務対策
Avatar for 西岡 賢一郎 (Kenichiro Nishioka) knishioka
0
150
Oracle Cloud Infrastructure：2026年5月度サービス・アップデート
Avatar for oracle4engineer oracle4engineer
PRO
1
280
速さだけじゃない！ VoidZero ツールが移行先に選ばれる理由
Avatar for mizdra mizdra
PRO
6
700

Featured

See All Featured
Understanding Cognitive Biases in Performance Measurement
Avatar for Philip Tellis bluesmoon
32
2.9k
[Rails World 2023 - Day 1 Closing Keynote] - The Magic of Rails
Avatar for Eileen M. Uchitelle eileencodes
38
2.9k
Efficient Content Optimization with Google Search Console & Apps Script
Avatar for Katarina Dahlin katarinadahlin
PRO
1
580
Making Projects Easy
Avatar for Brett Harned brettharned
120
6.7k
The Myth of the Modular Monolith - Day 2 Keynote - Rails World 2024
Avatar for Eileen M. Uchitelle eileencodes
28
3.5k
How to Create Impact in a Changing Tech Landscape [PerfNow 2023]
Avatar for Tammy Everts tammyeverts
55
3.4k
Have SEOs Ruined the Internet? - User Awareness of SEO in 2025
Avatar for Akash Hashmi akashhashmi
0
350
What does AI have to do with Human Rights?
Avatar for Per Axbom axbom
PRO
1
2.2k
The Language of Interfaces
Avatar for Des Traynor destraynor
162
26k
[RailsConf 2023 Opening Keynote] The Magic of Rails
Avatar for Eileen M. Uchitelle eileencodes
31
10k
Skip the Path - Find Your Career Trail
Avatar for Mark Kilby mkilby
1
130
Measuring & Analyzing Core Web Vitals
Avatar for Philip Tellis bluesmoon
9
850

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