backing up before finally deciding on how to sync Kotlin and Typescript data model

buildSrc/build.gradle.kts

@@ -1,8 +1,27 @@
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
 plugins {
+  idea
   `kotlin-dsl`
   kotlin("jvm") version "1.5.31"
+  `java-gradle-plugin`
+}
+
+gradlePlugin {
+  plugins {
+    create("tstl") {
+      id = "dev.adamko.tstl"
+      description =
+        "Gradle plugin for TypescriptToLua. Requires plugin `com.github.node-gradle.node`."
+      implementationClass = "dev.adamko.gradle.tstl.TstlPlugin"
+    }
+    create("json-kotlin-schema-gen") {
+      id = "dev.adamko.json-kotlin-schema-gen"
+      description =
+        "Gradle plugin for 'json-kotlin-schema-codegen' - Code generation for JSON Schema (Draft 07) https://github.com/pwall567/json-kotlin-schema-codegen"
+      implementationClass = "dev.adamko.gradle.jsonkotlinschemagen.JsonKotlinSchemaGenPlugin"
+    }
+  }
 }
 
 dependencies {
@@ -21,18 +40,43 @@ dependencies {
 
   implementation("com.github.node-gradle:gradle-node-plugin:3.1.1")
 
+  implementation("net.pwall.json:json-kotlin-schema-codegen:0.53")
 }
 
+val projectJvmTarget = "11"
+
 tasks.withType<KotlinCompile>().configureEach {
 
   kotlinOptions {
-    jvmTarget = "11"
+    jvmTarget = projectJvmTarget
+    apiVersion = "1.5"
+    languageVersion = "1.5"
   }
 
   kotlinOptions.freeCompilerArgs += listOf(
     "-Xopt-in=kotlin.OptIn",
+    "-Xopt-in=kotlin.RequiresOptIn",
     "-Xopt-in=kotlin.ExperimentalStdlibApi",
     "-Xopt-in=kotlin.time.ExperimentalTime",
     "-Xopt-in=kotlinx.coroutines.ExperimentalCoroutinesApi",
+    "-Xopt-in=kotlinx.serialization.ExperimentalSerializationApi",
   )
-}
+}
+
+
+kotlin {
+  jvmToolchain {
+    (this as JavaToolchainSpec).languageVersion.set(JavaLanguageVersion.of(projectJvmTarget))
+  }
+
+  kotlinDslPluginOptions {
+    jvmTarget.set(projectJvmTarget)
+  }
+}
+
+idea {
+  module {
+    isDownloadSources = true
+    isDownloadJavadoc = true
+  }
+}