build: support wasmJs and wasmWasi

Author: lppedd

README.md

@@ -21,6 +21,7 @@ Please refer to the original guides for more information.
 Currently, artifacts for the following platforms are supported:
 * JVM
 * JS (both browser and Node.js)
+* WebAssembly (JS and WASI)
 * LinuxX64
 * MingwX64
 * MacosX64

build.gradle.kts

@@ -6,6 +6,7 @@ import io.gitlab.arturbosch.detekt.Detekt
 import org.jetbrains.kotlin.gradle.ExperimentalKotlinGradlePluginApi
 import org.jetbrains.kotlin.gradle.dsl.JvmTarget
 import org.jetbrains.kotlin.gradle.dsl.KotlinVersion
+import org.jetbrains.kotlin.gradle.targets.js.dsl.ExperimentalWasmDsl
 
 plugins {
     kotlin("multiplatform")
@@ -51,6 +52,21 @@ kotlin {
         nodejs()
     }
 
+    @OptIn(ExperimentalWasmDsl::class)
+    wasmJs {
+        browser()
+        nodejs()
+        applyBinaryen()
+    }
+
+    @OptIn(ExperimentalWasmDsl::class)
+    wasmWasi {
+        nodejs()
+
+        // Available since 2.0
+        // applyBinaryen()
+    }
+
     linuxX64()
     mingwX64()
     macosX64()