Improve readability of the build script

atomicfu-maven-plugin/build.gradle.kts

@@ -22,14 +22,18 @@ publishing.publications {
     }
 }
 
-val mavenUserHome = System.getProperty("maven.user.home")
-val mavenRepoLocal = System.getProperty("maven.repo.local")
+val mavenUserHome: String? = System.getProperty("maven.user.home")
+val mavenRepoLocal: String? = System.getProperty("maven.repo.local")
 
 val generatePomFileForMavenPublication by tasks.getting(GenerateMavenPom::class)
 
 // runs the plugin description generator
 val generatePluginDescriptor by tasks.registering(Exec::class) {
-    dependsOn(generatePomFileForMavenPublication, project(":atomicfu-transformer").tasks.named("publishToMavenLocal"))
+
+    dependsOn(generatePomFileForMavenPublication)
+
+    dependsOn(project(":atomicfu-transformer").tasks.named("publishToMavenLocal"))
+
     val pluginDescriptorFile = outputDir.file("META-INF/maven/plugin.xml")
 
     workingDir = projectDir
@@ -49,7 +53,7 @@ val generatePluginDescriptor by tasks.registering(Exec::class) {
     commandLine = args
     doLast {
         val descriptorFile = pluginDescriptorFile.get().asFile
-        assert(descriptorFile.exists()) { "$descriptorFile: was not generated" }
+        require(descriptorFile.exists()) { "$descriptorFile: was not generated" }
         logger.info("Plugin descriptor is generated in $descriptorFile")
     }
 }

build.gradle.kts

@@ -5,12 +5,12 @@ plugins {
     alias(libs.plugins.kotlinx.binaryCompatibilityValidator)
 }
 
-val deploy by tasks.creating() {
+val deploy: Task? by tasks.creating {
     dependsOn(getTasksByName("publish", true))
     dependsOn(getTasksByName("publishNpm", true))
 }
 
-// Right now it is used for switching nodejs version which is supports generated wasm bytecode
+// Right now it is used for switching nodejs version which is supports generated wasm bytecode - Remove after updating to Kotlin 2.0
 extensions.findByType(NodeJsRootExtension::class.java)?.let {
     // canary nodejs that supports recent Wasm GC changes
     it.nodeVersion = "21.0.0-v8-canary202309167e82ab1fa2"