Check Wasm compatibility with Kotlin

gradle-plugins/compose/src/main/kotlin/org/jetbrains/compose/ComposeKotlinCompatibility.kt

@@ -0,0 +1,41 @@
+package org.jetbrains.compose
+
+import org.jetbrains.kotlin.gradle.plugin.KotlinPlatformType
+
+internal object ComposeKotlinCompatibility {
+    fun checkKotlinIsSupported(kotlinVersion: String, kotlinPlatformType: KotlinPlatformType) {
+        val kotlinVersion = kotlinVersion.parseVersionOrNull()
+
+        when(kotlinPlatformType) {
+            KotlinPlatformType.wasm -> check(
+                kotlinVersion == null ||
+                kotlinVersion.major == 0 ||
+                kotlinVersion > Version(1, 9, 21)
+            ) {
+                "Compose Multiplatform ${ComposeBuildConfig.composeGradlePluginVersion} doesn't support Kotlin " +
+                        "$kotlinVersion. Minimal supported version is 1.9.22"
+            }
+            else -> Unit
+        }
+    }
+}
+
+// parse only simple numbers, as we need only them, not whole semantic versioning checks
+private fun String.parseVersionOrNull(): Version? {
+    val parts = split(".")
+    return Version(
+        parts.getOrNull(0)?.toIntOrNull() ?: return null,
+        parts.getOrNull(1)?.toIntOrNull() ?: return null,
+        parts.getOrNull(2)?.toIntOrNull() ?: return null,
+    )
+}
+
+private class Version(val major: Int, val minor: Int, val patch: Int) : Comparable<Version> {
+    override fun compareTo(other: Version) = compareValuesBy(
+        this,
+        other,
+        { it.major },
+        { it.minor },
+        { it.patch },
+    )
+}

gradle-plugins/compose/src/main/kotlin/org/jetbrains/compose/ComposePlugin.kt

@@ -121,6 +121,15 @@ abstract class ComposePlugin : Plugin<Project> {
         }
     }
 
+    private fun checkKotlinIsSupported(project: Project) {
+        project.mppExtOrNull?.targets?.forEach {
+            ComposeKotlinCompatibility.checkKotlinIsSupported(
+                it.project.getKotlinPluginVersion(),
+                it.platformType
+            )
+        }
+    }
+
     @Suppress("DEPRECATION")
     class Dependencies(project: Project) {
         val desktop = DesktopDependencies

gradle-plugins/compose/src/test/kotlin/org/jetbrains/compose/test/tests/integration/KotlinCompatibilityUnitTest.kt

@@ -0,0 +1,79 @@
+package org.jetbrains.compose.test.tests.integration
+
+import org.jetbrains.compose.ComposeKotlinCompatibility
+import org.jetbrains.kotlin.gradle.plugin.KotlinPlatformType
+import org.junit.jupiter.api.Test
+import org.junit.jupiter.api.assertThrows
+
+class KotlinCompatibilityUnitTest {
+    @Test
+    fun jvm() {
+        ComposeKotlinCompatibility.checkKotlinIsSupported("1.9.21", KotlinPlatformType.jvm)
+        ComposeKotlinCompatibility.checkKotlinIsSupported("1.9.22", KotlinPlatformType.jvm)
+        ComposeKotlinCompatibility.checkKotlinIsSupported("2.0.0-Beta", KotlinPlatformType.jvm)
+        ComposeKotlinCompatibility.checkKotlinIsSupported("2.0.0-Beta2", KotlinPlatformType.jvm)
+        ComposeKotlinCompatibility.checkKotlinIsSupported("fdsfsf", KotlinPlatformType.jvm)
+        ComposeKotlinCompatibility.checkKotlinIsSupported("fdsfsf", KotlinPlatformType.jvm)
+    }
+
+    @Test
+    fun wasm000() {
+        ComposeKotlinCompatibility.checkKotlinIsSupported("0.0.0", KotlinPlatformType.wasm)
+    }
+
+    @Test
+    fun wasmabc() {
+        ComposeKotlinCompatibility.checkKotlinIsSupported("abc", KotlinPlatformType.wasm)
+    }
+
+    @Test
+    fun wasm000something() {
+        ComposeKotlinCompatibility.checkKotlinIsSupported("0.0.0-something", KotlinPlatformType.wasm)
+    }
+
+    @Test
+    fun wasm0040() {
+        ComposeKotlinCompatibility.checkKotlinIsSupported("0.0.40", KotlinPlatformType.wasm)
+    }
+
+    @Test
+    fun wasm000SNAPSHOT() {
+        ComposeKotlinCompatibility.checkKotlinIsSupported("0.0.0-SNAPSHOT", KotlinPlatformType.wasm)
+    }
+
+    @Test
+    fun wasm1821() {
+        assertThrows<IllegalStateException> {
+            ComposeKotlinCompatibility.checkKotlinIsSupported("1.8.21", KotlinPlatformType.wasm)
+        }
+    }
+
+    @Test
+    fun wasm1822() {
+        assertThrows<IllegalStateException> {
+            ComposeKotlinCompatibility.checkKotlinIsSupported("1.8.22", KotlinPlatformType.wasm)
+        }
+    }
+
+    @Test
+    fun wasm1921() {
+        assertThrows<IllegalStateException> {
+            ComposeKotlinCompatibility.checkKotlinIsSupported("1.9.21", KotlinPlatformType.wasm)
+        }
+    }
+
+    @Test
+    fun wasm1922() {
+        ComposeKotlinCompatibility.checkKotlinIsSupported("1.9.22", KotlinPlatformType.wasm)
+    }
+
+    @Test
+    fun wasm200Beta() {
+        ComposeKotlinCompatibility.checkKotlinIsSupported("2.0.0-Beta", KotlinPlatformType.wasm)
+    }
+
+    @Test
+    fun wasm200Beta1() {
+        ComposeKotlinCompatibility.checkKotlinIsSupported("2.0.0-Beta1", KotlinPlatformType.wasm)
+    }
+}