Initial work on the new JavaScript port by shai-almog · Pull Request #4677 · codenameone/CodenameOne

shai-almog · 2026-03-31T03:38:33Z

No description provided.

github-actions · 2026-03-31T03:47:52Z

✅ Continuous Quality Report

Test & Coverage

✅ Tests: 2358 total, 0 failed, 0 skipped
📊 Line coverage: 53.32% [HTML preview] [Download]
- Lowest covered classes
  - com.codename1.ui.Display$EdtException – 0.00%
  - com.codename1.ui.plaf.CSSBorder$LinearGradient – 0.00%
  - com.codename1.util.EasyThread$InQueueRunnable – 0.00%
  - com.codename1.components.FloatingActionButton$ReleaseActionListener – 0.00%
  - com.codename1.io.Oauth2$ShowAuthenticationActionListener – 0.00%
  - com.codename1.io.Oauth2$RefreshTokenActionListener – 0.00%
  - com.codename1.util.EasyThread$RunAndWaitRunnable – 0.00%
  - com.codename1.components.ToastBar$FlushAnimationCallback – 0.00%
  - com.codename1.ui.plaf.CSSBorder$ColorStop – 0.00%
  - com.codename1.ui.ElevationComparator – 0.00%

Static Analysis

SpotBugs [HTML preview] [Download]
- ❌ ByteCodeTranslator: 112 findings (High: 2, Normal: 83, Low: 27)
  - Top findings
    - High: com/codename1/tools/translator/BytecodeMethod.java:559 – Method com.codename1.tools.translator.BytecodeMethod.findWritableFields(Set) seems to be useless (rule: UC_USELESS_VOID_METHOD)
    - High: com/codename1/tools/translator/bytecodes/TryCatch.java:91 – Write to static field com.codename1.tools.translator.bytecodes.TryCatch.hasTryCatch from instance method com.codename1.tools.translator.bytecodes.TryCatch.appendInstruction(StringBuilder, List) (rule: ST_WRITE_TO_STATIC_FROM_INSTANCE_METHOD)
    - Normal: com/codename1/tools/translator/ByteCodeClass.java:169 – Write to static field com.codename1.tools.translator.ByteCodeClass.mainClass from instance method com.codename1.tools.translator.ByteCodeClass.addMethod(BytecodeMethod) (rule: ST_WRITE_TO_STATIC_FROM_INSTANCE_METHOD)
    - …and 109 more
- ❌ android: 413 findings (High: 24, Normal: 196, Low: 193)
  - Top findings
    - High: CodenameOne/src/com/codename1/impl/CodenameOneThread.java:48 – com.codename1.impl.CodenameOneThread.STACK_FRAME_SIZE isn't final but should be (rule: MS_SHOULD_BE_FINAL)
    - High: com/codename1/impl/android/AndroidImplementation.java:1085 – Write to static field com.codename1.impl.android.AndroidImplementation.context from instance method com.codename1.impl.android.AndroidImplementation.setContext(Context) (rule: ST_WRITE_TO_STATIC_FROM_INSTANCE_METHOD)
    - High: com/codename1/impl/android/AndroidImplementation.java:1286 – com.codename1.impl.android.AndroidImplementation.isDarkMode() has Boolean return type and returns explicit null (rule: NP_BOOLEAN_RETURN_NULL)
    - …and 410 more
- ❌ codenameone-maven-plugin: 488 findings (High: 1, Normal: 315, Low: 172)
  - Top findings
    - High: com/codename1/maven/AbstractCN1Mojo.java:807 – com.codename1.maven.AbstractCN1Mojo.OS isn't final but should be (rule: MS_SHOULD_BE_FINAL)
    - Normal: com/codename1/builders/AndroidGradleBuilder.java:1018 – Dead store to googleServicesJson in com.codename1.builders.AndroidGradleBuilder.build(File, BuildRequest) (rule: DLS_DEAD_LOCAL_STORE)
    - Normal: com/codename1/builders/AndroidGradleBuilder.java:1043 – Possible null pointer dereference in com.codename1.builders.AndroidGradleBuilder.build(File, BuildRequest) due to return value of called method (rule: NP_NULL_ON_SOME_PATH_FROM_RETURN_VALUE)
    - …and 485 more
- ❌ core-unittests: 1 findings (Normal: 1)
  - Top findings
    - Normal: CodenameOne/src/com/codename1/ui/util/MutableResource.java:239 – com.codename1.ui.util.MutableResource.saveL10N(DataOutputStream, Hashtable) makes inefficient use of keySet iterator instead of entrySet iterator (rule: WMI_WRONG_MAP_ITERATOR)
- ❌ ios: 125 findings (High: 4, Normal: 75, Low: 46)
  - Top findings
    - High: com/codename1/impl/ios/IOSImplementation.java:1228 – com.codename1.impl.ios.IOSImplementation.isDarkMode() has Boolean return type and returns explicit null (rule: NP_BOOLEAN_RETURN_NULL)
    - High: com/codename1/impl/ios/IOSImplementation.java:128 – com.codename1.impl.ios.IOSImplementation.nativeInstance isn't final but should be (rule: MS_SHOULD_BE_FINAL)
    - High: com/codename1/impl/ios/IOSImplementation.java:214 – Write to static field com.codename1.impl.ios.IOSImplementation.instance from instance method com.codename1.impl.ios.IOSImplementation.init(Object) (rule: ST_WRITE_TO_STATIC_FROM_INSTANCE_METHOD)
    - …and 122 more
✅ PMD: 0 findings (no issues) [Report archive]
✅ Checkstyle: 0 findings (no issues) [Report archive]

Generated automatically by the PR CI workflow.

shai-almog · 2026-03-31T03:52:10Z

Compared 34 screenshots: 34 matched.

Native Android coverage

📊 Line coverage: 7.74% (3958/51114 lines covered) [HTML preview] (artifact android-coverage-report, jacocoAndroidReport/html/index.html)
- Other counters: instruction 6.10% (19583/321140), branch 2.88% (899/31163), complexity 3.63% (1084/29826), method 6.40% (891/13913), class 10.51% (194/1846)
- Lowest covered classes
  - kotlin.collections.kotlin.collections.ArraysKt___ArraysKt – 0.00% (0/6327 lines covered)
  - kotlin.collections.unsigned.kotlin.collections.unsigned.UArraysKt___UArraysKt – 0.00% (0/2384 lines covered)
  - org.jacoco.agent.rt.internal_b6258fc.asm.org.jacoco.agent.rt.internal_b6258fc.asm.ClassReader – 0.00% (0/1519 lines covered)
  - kotlin.collections.kotlin.collections.CollectionsKt___CollectionsKt – 0.00% (0/1148 lines covered)
  - org.jacoco.agent.rt.internal_b6258fc.asm.org.jacoco.agent.rt.internal_b6258fc.asm.MethodWriter – 0.00% (0/923 lines covered)
  - kotlin.sequences.kotlin.sequences.SequencesKt___SequencesKt – 0.00% (0/712 lines covered)
  - kotlin.text.kotlin.text.StringsKt___StringsKt – 0.00% (0/623 lines covered)
  - org.jacoco.agent.rt.internal_b6258fc.asm.org.jacoco.agent.rt.internal_b6258fc.asm.Frame – 0.00% (0/564 lines covered)
  - kotlin.collections.kotlin.collections.ArraysKt___ArraysJvmKt – 0.00% (0/495 lines covered)
  - kotlinx.coroutines.kotlinx.coroutines.JobSupport – 0.00% (0/423 lines covered)

✅ Native Android screenshot tests passed.

Native Android coverage

📊 Line coverage: 7.74% (3958/51114 lines covered) [HTML preview] (artifact android-coverage-report, jacocoAndroidReport/html/index.html)
- Other counters: instruction 6.10% (19583/321140), branch 2.88% (899/31163), complexity 3.63% (1084/29826), method 6.40% (891/13913), class 10.51% (194/1846)
- Lowest covered classes
  - kotlin.collections.kotlin.collections.ArraysKt___ArraysKt – 0.00% (0/6327 lines covered)
  - kotlin.collections.unsigned.kotlin.collections.unsigned.UArraysKt___UArraysKt – 0.00% (0/2384 lines covered)
  - org.jacoco.agent.rt.internal_b6258fc.asm.org.jacoco.agent.rt.internal_b6258fc.asm.ClassReader – 0.00% (0/1519 lines covered)
  - kotlin.collections.kotlin.collections.CollectionsKt___CollectionsKt – 0.00% (0/1148 lines covered)
  - org.jacoco.agent.rt.internal_b6258fc.asm.org.jacoco.agent.rt.internal_b6258fc.asm.MethodWriter – 0.00% (0/923 lines covered)
  - kotlin.sequences.kotlin.sequences.SequencesKt___SequencesKt – 0.00% (0/712 lines covered)
  - kotlin.text.kotlin.text.StringsKt___StringsKt – 0.00% (0/623 lines covered)
  - org.jacoco.agent.rt.internal_b6258fc.asm.org.jacoco.agent.rt.internal_b6258fc.asm.Frame – 0.00% (0/564 lines covered)
  - kotlin.collections.kotlin.collections.ArraysKt___ArraysJvmKt – 0.00% (0/495 lines covered)
  - kotlinx.coroutines.kotlinx.coroutines.JobSupport – 0.00% (0/423 lines covered)

shai-almog · 2026-03-31T04:32:05Z

Compared 34 screenshots: 34 matched.
✅ Native iOS screenshot tests passed.

Benchmark Results

VM Translation Time: 0 seconds
Compilation Time: 179 seconds

Detailed Performance Metrics

Metric	Duration
Simulator Boot	2000 ms
Simulator Boot (Run)	2000 ms
App Install	2000 ms
App Launch	5000 ms
Test Execution	151000 ms

github-actions · 2026-03-31T14:51:43Z

✅ ByteCodeTranslator Quality Report

Test & Coverage

✅ Tests: 436 total, 0 failed, 2 skipped

Benchmark Results

Execution Time: 10086 ms
Hotspots (Top 20 sampled methods):
- 30.37% java.util.ArrayList.indexOf (543 samples)
- 21.70% java.lang.String.indexOf (388 samples)
- 19.07% com.codename1.tools.translator.Parser.isMethodUsed (341 samples)
- 4.19% java.lang.Object.hashCode (75 samples)
- 2.80% java.lang.System.identityHashCode (50 samples)
- 1.29% com.codename1.tools.translator.ByteCodeClass.markDependent (23 samples)
- 1.12% com.codename1.tools.translator.ByteCodeClass.calcUsedByNative (20 samples)
- 1.12% com.codename1.tools.translator.Parser.cullMethods (20 samples)
- 1.01% java.lang.StringBuilder.append (18 samples)
- 0.95% com.codename1.tools.translator.BytecodeMethod.optimize (17 samples)
- 0.89% com.codename1.tools.translator.BytecodeMethod.isMethodUsedByNative (16 samples)
- 0.84% com.codename1.tools.translator.BytecodeMethod.addToConstantPool (15 samples)
- 0.73% com.codename1.tools.translator.Parser.generateClassAndMethodIndexHeader (13 samples)
- 0.67% java.lang.StringCoding.encode (12 samples)
- 0.62% com.codename1.tools.translator.ByteCodeClass.isDefaultInterfaceMethod (11 samples)
- 0.56% com.codename1.tools.translator.BytecodeMethod.appendCMethodPrefix (10 samples)
- 0.50% java.io.UnixFileSystem.getBooleanAttributes0 (9 samples)
- 0.50% com.codename1.tools.translator.Parser.getClassByName (9 samples)
- 0.45% com.codename1.tools.translator.Parser.writeOutput (8 samples)
- 0.45% sun.nio.fs.UnixNativeDispatcher.open0 (8 samples)
⚠️ Coverage report not generated.

Static Analysis

✅ SpotBugs: no findings (report was not generated by the build).
⚠️ PMD report not generated.
⚠️ Checkstyle report not generated.

Generated automatically by the PR CI workflow.

github-actions · 2026-04-02T07:24:41Z

Cloudflare Preview

URL: https://pr-4677-website-preview.codenameone.pages.dev
Branch: pr-4677-website-preview

… alerts

…ge operations, and the minimal network connection

shai-almog force-pushed the javascript-port-initial-work branch from bfdfa3c to 771920d Compare March 31, 2026 04:08

shai-almog force-pushed the javascript-port-initial-work branch from 771920d to 7b7456c Compare March 31, 2026 14:20

shai-almog force-pushed the javascript-port-initial-work branch 12 times, most recently from 00a257b to 3701252 Compare April 3, 2026 12:17

shai-almog added 11 commits April 3, 2026 19:52

Initial work on the new JavaScript port

5f3d922

Added improved JavaScript port coverage to CI and fixed port security…

0e523b8

… alerts

Adding initial placeholder facade for the full port

042e3bc

HTML5Implementation now delegates bootstrap main-class binding, stora…

8844c0f

…ge operations, and the minimal network connection

Added some event handling and delegation

10077e1

Refactored events into a more generic session state

9c4da78

Improved keyboard event handling

5564e63

Initial work on rendering layer

1464e68

Additional HTML Graphics support

38b13a4

Incorporated clipping and drawing logic

0a47a02

Additional fixes for the rendering code and updated status file

a8aaf54

shai-almog added 11 commits April 3, 2026 19:52

Started working on CI support and running the screenshot tests

b96f495

Fixed CI failure

5110f0d

Fixed CI and got the intial bootstrap running

5f0f918

Fixed CSS build issue

7425f92

Removing TeaVM from build

360da81

Added bootstrap code

db6111b

Fixed initialization loop and some thread issues

3b224a0

Fixed additional CI pipeline failures

b847afa

Fixed merge of String.format() change

27255f7

Added TeaVM stubs to get CI working with the new port

658c9bb

Removed TeaVM dependency and replaced it with similar code

8f402dc

shai-almog force-pushed the javascript-port-initial-work branch from 3701252 to 8f402dc Compare April 3, 2026 16:52

Cleaned up port and defined boundry with VM

cbf34ba

shai-almog force-pushed the javascript-port-initial-work branch from d869903 to 7296f83 Compare April 4, 2026 07:37

Added an initial JSBody implementation

392975a

shai-almog force-pushed the javascript-port-initial-work branch from 7296f83 to 392975a Compare April 4, 2026 08:21

Provide feedback

Saved searches

Use saved searches to filter your results more quickly

Initial work on the new JavaScript port#4677

Initial work on the new JavaScript port#4677
shai-almog wants to merge 24 commits intomasterfrom
javascript-port-initial-work

shai-almog commented Mar 31, 2026

Uh oh!

github-actions bot commented Mar 31, 2026 •

edited

Loading

Uh oh!

shai-almog commented Mar 31, 2026 •

edited

Loading

Uh oh!

shai-almog commented Mar 31, 2026 •

edited

Loading

Uh oh!

github-actions bot commented Mar 31, 2026 •

edited

Loading

Uh oh!

github-actions bot commented Apr 2, 2026

Uh oh!

Reviewers

Assignees

Labels

Projects

Milestone

Development

Uh oh!

1 participant

Conversation

shai-almog commented Mar 31, 2026

Uh oh!

github-actions bot commented Mar 31, 2026 • edited Loading Uh oh! There was an error while loading. Please reload this page.

Uh oh!

✅ Continuous Quality Report

Test & Coverage

Static Analysis

Uh oh!

shai-almog commented Mar 31, 2026 • edited Loading Uh oh! There was an error while loading. Please reload this page.

Uh oh!

Native Android coverage

Native Android coverage

Uh oh!

shai-almog commented Mar 31, 2026 • edited Loading Uh oh! There was an error while loading. Please reload this page.

Uh oh!

Benchmark Results

Detailed Performance Metrics

Uh oh!

github-actions bot commented Mar 31, 2026 • edited Loading Uh oh! There was an error while loading. Please reload this page.

Uh oh!

✅ ByteCodeTranslator Quality Report

Test & Coverage

Benchmark Results

Static Analysis

Uh oh!

github-actions bot commented Apr 2, 2026

Cloudflare Preview

Uh oh!

Reviewers

Assignees

Labels

Projects

Milestone

Development

Uh oh!

1 participant

github-actions bot commented Mar 31, 2026 •

edited

Loading

shai-almog commented Mar 31, 2026 •

edited

Loading

shai-almog commented Mar 31, 2026 •

edited

Loading

github-actions bot commented Mar 31, 2026 •

edited

Loading