Dagger KSP.

android/app/build.gradle.kts

@@ -16,7 +16,7 @@ import java.time.Instant
 plugins {
     id("kstreamlined.android.application")
     id("kstreamlined.android.application.compose")
-    id("kstreamlined.kapt")
+    id("kstreamlined.ksp")
     id("com.google.dagger.hilt.android")
     id("com.google.gms.google-services") apply false
     id("com.google.firebase.firebase-perf")
@@ -243,7 +243,7 @@ dependencies {
 
     // Hilt
     implementation(libs.hilt.android)
-    kapt(libs.hilt.compiler)
+    ksp(libs.hilt.compiler)
 
     // LeakCanary
     debugImplementation(libs.leakcanary.android)

build-logic/build.gradle.kts

@@ -120,9 +120,9 @@ gradlePlugin {
             id = "kstreamlined.kmm.test"
             implementationClass = "io.github.reactivecircus.kstreamlined.buildlogic.convention.KMMTestConventionPlugin"
         }
-        register("kapt") {
-            id = "kstreamlined.kapt"
-            implementationClass = "io.github.reactivecircus.kstreamlined.buildlogic.convention.KaptConventionPlugin"
+        register("ksp") {
+            id = "kstreamlined.ksp"
+            implementationClass = "io.github.reactivecircus.kstreamlined.buildlogic.convention.KspConventionPlugin"
         }
     }
 }

build-logic/src/main/kotlin/io/github/reactivecircus/kstreamlined/buildlogic/convention/KspConventionPlugin.kt

@@ -0,0 +1,36 @@
+package io.github.reactivecircus.kstreamlined.buildlogic.convention
+
+import com.google.devtools.ksp.gradle.KspExtension
+import org.gradle.api.Plugin
+import org.gradle.api.Project
+import org.gradle.kotlin.dsl.configure
+
+internal class KspConventionPlugin : Plugin<Project> {
+    override fun apply(target: Project) = with(target) {
+        with(pluginManager) {
+            apply("com.google.devtools.ksp")
+        }
+
+        extensions.configure<KspExtension> {
+            if (hasHiltCompilerDependency) {
+                arg("dagger.fastInit", "enabled")
+                arg("dagger.strictMultibindingValidation", "enabled")
+                arg("dagger.experimentalDaggerErrorMessages", "enabled")
+            }
+        }
+
+        // disable ksp tasks for unit tests
+        tasks.matching {
+            it.name.startsWith("ksp") && it.name.endsWith("UnitTestKotlin")
+        }.configureEach {
+            enabled = false
+        }
+    }
+}
+
+private val Project.hasHiltCompilerDependency: Boolean
+    get() = configurations.any {
+        it.dependencies.any { dependency ->
+            dependency.name == "hilt-compiler"
+        }
+    }

gradle.properties

@@ -14,9 +14,6 @@ kotlin.compiler.keepIncrementalCompilationCachesInMemory=true
 # try K2 compiler
 kotlin.experimental.tryK2=true
 
-# Enable kapt compile avoidance
-kapt.include.compile.classpath=false
-
 # Enable AndroidX
 android.useAndroidX=true
 

gradle/libs.versions.toml

@@ -13,7 +13,7 @@ fladle = "0.17.4"
 nativeCoroutines = "1.0.0-ALPHA-18"
 desugarJdkLibs = "2.0.3"
 leakcanary = "2.12"
-hilt = "2.47"
+hilt = "2.48"
 kotlinx-coroutines = "1.7.3"
 kotlinx-datetime = "0.4.0"
 firebase-analytics = "21.3.0"