Generate wat for optimized wasm files.

Author: bennyhuo

ir-printer-gradle-plugin/src/main/java/com/bennyhuo/kotlin/ir/printer/gradle/IrPrinterGradlePlugin.kt

@@ -18,6 +18,7 @@ import org.jetbrains.kotlin.gradle.plugin.mpp.KotlinNativeTarget
 import org.jetbrains.kotlin.gradle.targets.js.ir.KotlinJsIrTarget
 import org.jetbrains.kotlin.gradle.targets.js.binaryen.BinaryenRootExtension
 import org.jetbrains.kotlin.gradle.targets.js.binaryen.BinaryenSetupTask
+import org.jetbrains.kotlin.gradle.targets.js.ir.ExecutableWasm
 
 class IrPrinterGradlePlugin : KotlinCompilerPluginSupportPlugin {
     override fun apply(target: Project) {
@@ -120,6 +121,16 @@ class IrPrinterGradlePlugin : KotlinCompilerPluginSupportPlugin {
                     it.inputPath.value(binary.linkTask.flatMap { it.destinationDirectory.asFile.map { it.absolutePath } })
                     it.outputPath.set(project.output(extension, binary, "wasm"))
                 }
+
+                if (binary is ExecutableWasm) {
+                    val optTaskName = "generate${binary.name.capitalized()}${target.targetName.capitalized()}WatOptimize"
+                    project.tasks.register(optTaskName, WasmDisTask::class.java) {
+                        it.dependsOn(binary.optimizeTask)
+                        it.wasmDisPath.set(wasmDisPathLazy)
+                        it.inputPath.value(binary.optimizeTask.flatMap { it.outputDirectory.asFile.map { it.absolutePath } })
+                        it.outputPath.set(project.output(extension, binary, "wasmOptimized"))
+                    }
+                }
             }
         }
     }