Enable explicit API mode (#3139)

1 files changed, 30 insertions, 10 deletions

diff --git a/build-logic/src/main/kotlin/org/jetbrains/conventions/kotlin-jvm.gradle.kts b/build-logic/src/main/kotlin/org/jetbrains/conventions/kotlin-jvm.gradle.kts
index 6093253f..d2425ce3 100644
--- a/build-logic/src/main/kotlin/org/jetbrains/conventions/kotlin-jvm.gradle.kts
+++ b/build-logic/src/main/kotlin/org/jetbrains/conventions/kotlin-jvm.gradle.kts
@@ -5,6 +5,7 @@
 package org.jetbrains.conventions
 
 import org.jetbrains.configureDokkaVersion
+import org.jetbrains.kotlin.gradle.dsl.ExplicitApiMode
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
 plugins {
@@ -14,25 +15,44 @@ plugins {
 
 configureDokkaVersion()
 
-val projectsWithoutOptInDependency = setOf(
-    ":integration-tests", ":integration-tests:gradle", ":integration-tests:maven", ":integration-tests:cli")
+kotlin {
+    explicitApi = ExplicitApiMode.Strict
+
+    compilerOptions {
+        allWarningsAsErrors.set(true)
+        languageVersion.set(dokkaBuild.kotlinLanguageLevel)
+        apiVersion.set(dokkaBuild.kotlinLanguageLevel)
+
+        freeCompilerArgs.addAll(
+            listOf(
+                // need 1.4 support, otherwise there might be problems
+                // with Gradle 6.x (it's bundling Kotlin 1.4)
+                "-Xsuppress-version-warnings",
+                "-Xjsr305=strict",
+                "-Xskip-metadata-version-check",
+            )
+        )
+    }
+}
+
+val projectsWithoutInternalDokkaApiUsage = setOf(
+    ":integration-tests",
+    ":integration-tests:gradle",
+    ":integration-tests:maven",
+    ":integration-tests:cli"
+)
 
 tasks.withType<KotlinCompile>().configureEach {
     // By path because Dokka has multiple projects with the same name (i.e. 'cli')
-    if (project.path in projectsWithoutOptInDependency) return@configureEach
+    if (project.path in projectsWithoutInternalDokkaApiUsage) {
+        return@configureEach
+    }
     compilerOptions {
         freeCompilerArgs.addAll(
             listOf(
                 "-opt-in=kotlin.RequiresOptIn",
                 "-opt-in=org.jetbrains.dokka.InternalDokkaApi",
-                "-Xjsr305=strict",
-                "-Xskip-metadata-version-check",
-                // need 1.4 support, otherwise there might be problems with Gradle 6.x (it's bundling Kotlin 1.4)
-                "-Xsuppress-version-warnings",
             )
         )
-        allWarningsAsErrors.set(true)
-        languageVersion.set(dokkaBuild.kotlinLanguageLevel)
-        apiVersion.set(dokkaBuild.kotlinLanguageLevel)
     }
 }