API 4 ABI: Rename manifest property: wasm_target -> wasm_targets

^KT-66367

compiler/ir/serialization.js/src/org/jetbrains/kotlin/ir/backend/js/klib.kt

@@ -695,8 +695,9 @@ fun serializeModuleIntoKlib(
         if (jsOutputName != null) {
             p.setProperty(KLIB_PROPERTY_JS_OUTPUT_NAME, jsOutputName)
         }
-        wasmTarget?.let {
-            p.setProperty(KLIB_PROPERTY_WASM_TARGET, it.name.toLowerCaseAsciiOnly())
+        val wasmTargets = listOfNotNull(/* in the future there might be multiple WASM targets */ wasmTarget)
+        if (wasmTargets.isNotEmpty()) {
+            p.setProperty(KLIB_PROPERTY_WASM_TARGETS, wasmTargets.joinToString(" ") { it.alias })
         }
         if (containsErrorCode) {
             p.setProperty(KLIB_PROPERTY_CONTAINS_ERROR_CODE, "true")

compiler/util-klib/src/org/jetbrains/kotlin/library/KotlinLibrary.kt

@@ -39,7 +39,7 @@ const val KLIB_PROPERTY_IR_PROVIDER = "ir_provider"
  * Copy-pasted to `kotlin-native/build-tools/src/main/kotlin/org/jetbrains/kotlin/Utils.kt`
  */
 const val KLIB_PROPERTY_NATIVE_TARGETS = "native_targets"
-const val KLIB_PROPERTY_WASM_TARGET = "wasm_target"
+const val KLIB_PROPERTY_WASM_TARGETS = "wasm_targets"
 
 // Commonizer-specific:
 /**
@@ -141,8 +141,8 @@ val BaseKotlinLibrary.irProviderName: String?
 val BaseKotlinLibrary.nativeTargets: List<String>
     get() = manifestProperties.propertyList(KLIB_PROPERTY_NATIVE_TARGETS)
 
-val BaseKotlinLibrary.wasmTarget: String?
-    get() = manifestProperties.getProperty(KLIB_PROPERTY_WASM_TARGET)
+val BaseKotlinLibrary.wasmTargets: List<String>
+    get() = manifestProperties.propertyList(KLIB_PROPERTY_WASM_TARGETS)
 
 val KotlinLibrary.containsErrorCode: Boolean
     get() = manifestProperties.getProperty(KLIB_PROPERTY_CONTAINS_ERROR_CODE) == "true"