app crashing and slowing down specially when using javascript

[Thisis2pac]

java.lang.OutOfMemoryError: Failed to allocate a 2516296 byte allocation with 526136 free bytes and 513KB until OOM, target footprint 201326592, growth limit 201326592
at java.util.Arrays.copyOf(Arrays.java:3766)
at java.lang.AbstractStringBuilder.ensureCapacityInternal(AbstractStringBuilder.java:125)
at java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:449)
at java.lang.StringBuilder.append(StringBuilder.java:137)
at vn.vhn.vhscode.root.codeserver.CodeServerLocalService.appendLog(CodeServerLocalService.kt:12)
at vn.vhn.vhscode.root.codeserver.CodeServerLocalService.access$appendLog(CodeServerLocalService.kt:1)
at vn.vhn.vhscode.root.codeserver.CodeServerLocalService$d.invokeSuspend(CodeServerLocalService.kt:59)
at vn.vhn.vhscode.root.codeserver.CodeServerLocalService$d.invoke(Unknown Source:8)
at vn.vhn.vhscode.root.codeserver.CodeServerLocalService$d.invoke(Unknown Source:4)
at kotlinx.coroutines.intrinsics.UndispatchedKt.startUndispatchedOrReturn(Undispatched.kt:10)
at k3.e.withContext(Builders.common.kt:50)
at kotlinx.coroutines.BuildersKt.withContext(Unknown Source:1)
at vn.vhn.vhscode.root.codeserver.CodeServerLocalService.outputStreamUpdate(CodeServerLocalService.kt:21)
at vn.vhn.vhscode.root.codeserver.CodeServerLocalService.access$outputStreamUpdate(CodeServerLocalService.kt:1)
at vn.vhn.vhscode.root.codeserver.CodeServerLocalService$b.invokeSuspend(CodeServerLocalService.kt:34)
at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:14)
at kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:117)
at kotlinx.coroutines.scheduling.CoroutineScheduler.runSafely(CoroutineScheduler.kt:1)
at kotlinx.coroutines.scheduling.CoroutineScheduler$Worker.executeTask(CoroutineScheduler.kt:15)
at kotlinx.coroutines.scheduling.CoroutineScheduler$Worker.runWorker(CoroutineScheduler.kt:29)
at kotlinx.coroutines.scheduling.CoroutineScheduler$Worker.run(CoroutineScheduler.kt:1)