google/j2cl

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Java to Closure JavaScript transpiler

Stars: 1.4k
Forks: 161
Open beginner issues: 0
Indexed issues: 25

Dominant language: Java
License: Apache-2.0
Last GitHub push: Sep 15, 2026
Latest indexed: Sep 16, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: help wanted
PR merge metrics: No merged PRs in 30d

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25 open issues indexed

Clarify supported Java versions Open

documentation

google/j2cl#4 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Provide information on how to setup IDE for j2cl Open

documentation help wanted

google/j2cl#6 · 3 comments · 8 reactions · 0 assignees · Indexed Sep 16, 2026
Support the workflow under Windows. Open

enhancement help wanted

google/j2cl#9 · 15 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
HelloWorld sample source maps support Open

bug help wanted

google/j2cl#10 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Generate closure @suppress jsdoc tag on method when @SuppressWarning present in java Open

enhancement

google/j2cl#50 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Put a sample that illustrates helloworld usage with webpack project Open

help wanted

google/j2cl#53 · 11 comments · 1 reaction · 0 assignees · Indexed Sep 16, 2026
Example for use with protocol buffers Open

google/j2cl#71 · 9 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
System.getProperty doesn't seem to work Open

google/j2cl#76 · 10 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Generate license information Open

google/j2cl#80 · 13 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Enum.valueOf() support? Open

google/j2cl#90 · 10 comments · 2 reactions · 0 assignees · Indexed Sep 16, 2026
J2CL Now & Next Open

google/j2cl#93 · 28 comments · 28 reactions · 0 assignees · Indexed Sep 16, 2026
Expose type dependencies (call graph) for accurate incremental transpiling Open

google/j2cl#99 · 42 comments · 2 reactions · 0 assignees · Indexed Sep 16, 2026
Referencing ES6 modules from JsInterop in J2CL+Closure Open

google/j2cl#113 · 4 comments · 1 reaction · 0 assignees · Indexed Sep 16, 2026
Example does not work on windows. Open

google/j2cl#121 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Missing Optional::orElseThrow() from JDK 10 Open

google/j2cl#134 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Add support for Math.IEEEremainder Open

google/j2cl#142 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Document how to transpile with CLI Open

google/j2cl#147 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
I receive the following issue during the build. Have anyone an idea what the reason is: Open

google/j2cl#198 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Can't run j2cl on Bazel 6 Open

google/j2cl#200 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Automate release/tag of the repo on green builds Open

help wanted

google/j2cl#209 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Support `rules_jvm_external` or `j2cl_maven_import_external` private registry Open

google/j2cl#212 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
@JsConstructor makes default field initialization run after java construction logic Open

google/j2cl#268 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Provide a complete beginner-friendly J2CL UI example with Maven setup Open

google/j2cl#272 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
j2cl_test breaks when classpath contains package named "java" Open

google/j2cl#290 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Annotation processors can write `CLASS_OUTPUT` resources beside source inputs Open

google/j2cl#298 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026

google/j2cl

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