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google/j2cl

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Java to Closure JavaScript transpiler

20 mentions on Hacker News by 19 people: 8 stories, 12 comments · first 2018-11-14 · latest 2025-09-19

Mentions per year 20 mentions · busiest year 2018 (4)
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  1. Well, for Java it's actually a separate compiler that targets Wasm and integrates with WasmGC: https://github.com/google/j2cl The Google Sheets team used it for their calc engine: https://v8.dev/blog/wasm-gc-porting For Kotlin it's similar…
    comment by wffurr · 2025-09-19 · in WASM 3.0 Completed
  2. …while CheerpJ offers Enterprise support (but it targets the browser). oh, and let's not forget j2cl https://github.com/google/j2cl
    comment by evacchi · 2025-02-26 · in Chicory: A JVM native WebAssembly runtime
  3. That's already happening with j2cl https://github.com/google/j2cl Java everywhere. Also j2objc https://github.com/google/j2objc Write the logic in java and get it on iOS, web and android.
    comment by Tyr42 · 2024-06-27 · in Google Sheets ported its calculation worker from JavaScript to WasmGC
  4. The compiler from Java to JS is J2CL: https://github.com/google/j2cl/ And that now includes a Java to WasmGC compiler, called J2Wasm: https://github.com/google/j2cl/blob/master/docs/getting-star...
    comment by azakai · 2024-06-27 · in Google Sheets ported its calculation worker from JavaScript to WasmGC
  5. ▲ 2
    Google/j2cl: Java to Closure JavaScript transpiler
    story by simonpure · 2023-12-14 · 0 comments
  6. J2CL https://github.com/google/j2cl was the successor to GWT, BTW
    comment by gjvc · 2023-05-09 · in Starfyre – a toolkit for developing front-end applications using only Python
  7. Google's J2CL (successor to GWT) is also AOT. https://github.com/google/j2cl
    comment by jsiepkes · 2023-05-09 · in CheerpJ 3.0: a JVM replacement in HTML5 and WASM to run Java on modern browsers
  8. …transpiler and tells us it was used to craft the google app suite. Now it's time to go play [1] [1] https://github.com/google/j2cl
    comment by gardenfelder · 2022-09-01 · in Using Java for the front-end of a web app in 2022
  9. ▲ 2
    J2CL – Java to Closure JavaScript Transpiler Used by Gmail and Docs
    story by jitl · 2022-07-12 · 0 comments
  10. …OS-agnostic APIs for outside the browser. Until then I will be stuck with Java and J2cl/Closure ( https://github.com/google/j2cl ).
    comment by thesuperbigfrog · 2020-08-17 · in WebAssembly without the browser
  11. Did anyone try the J2CL Java to Closure JavaScript transpiler ( https://github.com/google/j2cl )? A side benefit of this is to completely eliminate Javascript vs Java joke
    comment by htfy96 · 2020-05-13 · in Announcing TypeScript 3.9
  12. …flow here is Java -> Java Bytecode -> JS is meaningless in the context of learning Java. [1] https://github.com/google/j2cl
    comment by dvt · 2020-04-11 · in Don't Make Students Use Eclipse
  13. ▲ 73
    J2cl: Transpile Java to JavaScript for Closure Compiler
    story by robfig · 2019-04-28 · 35 comments
  14. …on to write the j2cl compiler, and based on Github commit history, they're still working on it: https://github.com/google/j2cl
    comment by skybrian · 2019-04-22 · in Comparing JVM alternatives to JavaScript
  15. Add https://github.com/google/j2cl to the mix if you're looking for java development for front-end work.
    comment by pcj-github · 2019-04-22 · in Comparing JVM alternatives to JavaScript
  16. ▲ 1
    J2CL: Java to Closure JavaScript Transpiler (GWT3...)
    story by based2 · 2019-02-09 · 0 comments
  17. ▲ 1
    Java to Closure JavaScript transpiler
    story by ianopolous · 2018-12-05 · 0 comments
  18. ▲ 3
    J2cl – Seamlessly reuse java libraries in js with fantastic code optimization
    story by javinpaul · 2018-11-24 · 1 comment
  19. ▲ 7
    J2CL: Seamless Java in JavaScript Applications, Tightly Optimizes with Closure
    story by murkle · 2018-11-14 · 0 comments
  20. ▲ 6
    Java to JavaScript Transpiler (j2cl)
    story by skybrian · 2018-11-14 · 0 comments