Issues

• More efficient implementation of longs on JavaScript

  google/j2cl#302 · Filter by author sjrd opened on Sep 18, 2026

• j2cl_test breaks when classpath contains package named "java"

  google/j2cl#290 · Filter by author DragonAxe opened on Apr 3, 2026
  1

• Provide a complete beginner-friendly J2CL UI example with Maven setup

  google/j2cl#272 · Filter by author grammaticon opened on Jul 14, 2025
  2

• @JsConstructor makes default field initialization run after java construction logic

  google/j2cl#268 · Filter by author DragonAxe opened on Mar 15, 2025
  4

• Support rules_jvm_external or j2cl_maven_import_external private registry

  google/j2cl#212 · Filter by author tamascsaba opened on Sep 4, 2023
  1

• Automate release/tag of the repo on green builds

  help wanted
  google/j2cl#209 · Filter by author gkdn opened on Aug 30, 2023

• Can't run j2cl on Bazel 6

  google/j2cl#200 · Filter by author sgammon opened on Jul 17, 2023
  6

• I receive the following issue during the build. Have anyone an idea what the reason is:

  google/j2cl#198 · Filter by author bschenkelberger opened on Jul 3, 2023
  3

• Document how to transpile with CLI

  google/j2cl#147 · Filter by author dsyer opened on Jun 7, 2022
  6

• Add support for Math.IEEEremainder

  google/j2cl#142 · Filter by author dasa opened on Apr 8, 2022
  2

• Missing Optional::orElseThrow() from JDK 10

  google/j2cl#134 · Filter by author jbellis opened on Aug 6, 2021
  1

• Example does not work on windows.

  google/j2cl#121 · Filter by author vjay82 opened on Jan 11, 2021
  7

• Referencing ES6 modules from JsInterop in J2CL+Closure

  google/j2cl#113 · Filter by author niloc132 opened on Oct 14, 2020
  4

• Expose type dependencies (call graph) for accurate incremental transpiling

  google/j2cl#99 · Filter by author tbroyer opened on Jul 11, 2020
  42

• J2CL Now & Next

  google/j2cl#93 · Filter by author gkdn opened on May 27, 2020
  28

• Enum.valueOf() support?

  google/j2cl#90 · Filter by author niloc132 opened on Apr 20, 2020
  10

• Generate license information

  google/j2cl#80 · Filter by author niloc132 opened on Feb 19, 2020
  13

• System.getProperty doesn't seem to work

  google/j2cl#76 · Filter by author sgammon opened on Feb 2, 2020
  10

• Example for use with protocol buffers

  google/j2cl#71 · Filter by author sgammon opened on Oct 26, 2019
  9

• Put a sample that illustrates helloworld usage with webpack project

  help wanted
  google/j2cl#53 · Filter by author swuecho opened on Jun 6, 2019
  11

• Generate closure @suppress jsdoc tag on method when @SuppressWarning present in java

  enhancement
  google/j2cl#50 · Filter by author realityforge opened on May 19, 2019
  8

• HelloWorld sample source maps support

  bughelp wanted
  google/j2cl#10 · Filter by author axls opened on Nov 15, 2018
  6

• Support the workflow under Windows.

  enhancementhelp wanted
  google/j2cl#9 · Filter by author rluble opened on Nov 14, 2018
  15

• Provide information on how to setup IDE for j2cl

  documentationhelp wanted
  google/j2cl#6 · Filter by author solomatov opened on Nov 14, 2018
  3

• Clarify supported Java versions

  documentation
  google/j2cl#4 · Filter by author jreznot opened on Nov 14, 2018
  5