[JS IR] Add compiler argument about lazy initialisation

^KT-43222 fixed

compiler/cli/cli-common/src/org/jetbrains/kotlin/cli/common/arguments/K2JSCompilerArguments.kt

@@ -125,6 +125,9 @@ class K2JSCompilerArguments : CommonCompilerArguments() {
     @Argument(value = "-Xir-dce-print-reachability-info", description = "Print declarations' reachability info to stdout during performing DCE")
     var irDcePrintReachabilityInfo: Boolean by FreezableVar(false)
 
+    @Argument(value = "-Xir-property-lazy-initialisation", description = "Perform lazy initialisation for properties")
+    var irPropertyLazyInitialisation: Boolean by FreezableVar(false)
+
     @Argument(value = "-Xir-only", description = "Disables pre-IR backend")
     var irOnly: Boolean by FreezableVar(false)
 

compiler/cli/cli-js/src/org/jetbrains/kotlin/cli/js/K2JsIrCompiler.kt

@@ -27,7 +27,10 @@ import org.jetbrains.kotlin.cli.common.messages.MessageUtil
 import org.jetbrains.kotlin.cli.jvm.compiler.EnvironmentConfigFiles
 import org.jetbrains.kotlin.cli.jvm.compiler.KotlinCoreEnvironment
 import org.jetbrains.kotlin.cli.jvm.plugins.PluginCliParser
-import org.jetbrains.kotlin.config.*
+import org.jetbrains.kotlin.config.CommonConfigurationKeys
+import org.jetbrains.kotlin.config.CompilerConfiguration
+import org.jetbrains.kotlin.config.IncrementalCompilation
+import org.jetbrains.kotlin.config.Services
 import org.jetbrains.kotlin.incremental.components.ExpectActualTracker
 import org.jetbrains.kotlin.incremental.components.LookupTracker
 import org.jetbrains.kotlin.incremental.js.IncrementalDataProvider
@@ -156,6 +159,11 @@ class K2JsIrCompiler : CLICompiler<K2JSCompilerArguments>() {
             arguments.irModuleName ?: FileUtil.getNameWithoutExtension(outputFile)
         )
 
+        configurationJs.put(
+            JSConfigurationKeys.PROPERTY_LAZY_INITIALISATION,
+            arguments.irPropertyLazyInitialisation
+        )
+
         // TODO: in this method at least 3 different compiler configurations are used (original, env.configuration, jsConfig.configuration)
         // Such situation seems a bit buggy...
         val config = JsConfig(projectJs, configurationJs)