Add support for wasmJs

README.md

@@ -11,7 +11,7 @@ This library adds YAML support to [kotlinx.serialization](https://github.com/Kot
 
 Currently, only Kotlin/JVM is fully supported.
 
-Kotlin/JS support is considered highly experimental. It is not yet fully functional, and may be removed or modified at any time.
+Kotlin/JS and Kotlin/Wasm support are considered highly experimental. It is not yet fully functional, and may be removed or modified at any time.
 
 (Follow [this issue](https://github.com/charleskorn/kaml/issues/232) for a discussion of adding support for other targets.)
 

build.gradle.kts

@@ -23,6 +23,7 @@ import com.charleskorn.kaml.build.configureTesting
 import com.charleskorn.kaml.build.configureVersioning
 import com.charleskorn.kaml.build.configureWrapper
 import org.jetbrains.kotlin.gradle.dsl.JvmTarget
+import org.jetbrains.kotlin.gradle.targets.js.ir.KotlinJsIrLink
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
 plugins {
@@ -60,6 +61,12 @@ kotlin {
         binaries.executable()
     }
 
+    wasmJs {
+        binaries.library()
+        browser()
+        nodejs()
+    }
+
     sourceSets {
         commonMain {
             dependencies {
@@ -92,6 +99,15 @@ tasks.withType<KotlinCompile>().configureEach {
     }
 }
 
+tasks.withType<KotlinJsIrLink>().configureEach {
+    compilerOptions {
+        // Catching IndexOutOfBoundsException in Kotlin/Wasm is impossible by default,
+        // unless we enable "-Xwasm-enable-array-range-checks" compiler flag.
+        // See https://youtrack.jetbrains.com/issue/KT-59081/
+        freeCompilerArgs.add("-Xwasm-enable-array-range-checks")
+    }
+}
+
 java {
     sourceCompatibility = JavaVersion.VERSION_1_8
     targetCompatibility = JavaVersion.VERSION_1_8

gradle.properties

@@ -1 +1,2 @@
 kotlin.code.style=official
+kotlin.daemon.jvmargs=-Xmx512g