Add convention plugin for koin

build-logic/convention/build.gradle.kts

@@ -129,5 +129,9 @@ gradlePlugin {
             id = "nowinandroid.cmp.feature"
             implementationClass = "CmpFeatureConventionPlugin"
         }
+        register("koin") {
+            id = "nowinandroid.di.koin"
+            implementationClass = "KoinConventionPlugin"
+        }
     }
 }

build-logic/convention/src/main/kotlin/KoinConventionPlugin.kt

@@ -0,0 +1,58 @@
+/*
+ * Copyright 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import com.google.samples.apps.nowinandroid.libs
+import org.gradle.api.Plugin
+import org.gradle.api.Project
+import org.gradle.kotlin.dsl.dependencies
+import org.jetbrains.kotlin.gradle.dsl.KotlinMultiplatformExtension
+import org.jetbrains.kotlin.gradle.tasks.KotlinCompilationTask
+
+class KoinConventionPlugin: Plugin<Project> {
+    override fun apply(target: Project) {
+        with(target) {
+            with(pluginManager) {
+                apply("com.google.devtools.ksp")
+            }
+
+            extensions.configure(KotlinMultiplatformExtension::class.java) {
+                sourceSets.named("commonMain").configure {
+                    kotlin.srcDir("build/generated/ksp/metadata/commonMain/kotlin")
+                }
+            }
+
+            dependencies {
+                "commonMainImplementation"(platform(libs.findLibrary("koin.bom").get()))
+                "commonMainImplementation"(libs.findLibrary("koin.core").get())
+                "commonMainApi"(platform(libs.findLibrary("koin.annotation.bom").get()))
+                "commonMainApi"(libs.findLibrary("koin.annotation").get())
+                "commonTestImplementation"(libs.findLibrary("koin.test").get())
+                "kspCommonMainMetadata"(libs.findLibrary("koin.ksp.compiler").get())
+                "kspAndroid"(libs.findLibrary("koin.ksp.compiler").get())
+                "kspIosX64"(libs.findLibrary("koin.ksp.compiler").get())
+                "kspIosArm64"(libs.findLibrary("koin.ksp.compiler").get())
+                "kspIosSimulatorArm64"(libs.findLibrary("koin.ksp.compiler").get())
+                "kspJvm"(libs.findLibrary("koin.ksp.compiler").get())
+            }
+
+            project.tasks.withType(KotlinCompilationTask::class.java).configureEach {
+                if(name != "kspCommonMainKotlinMetadata") {
+                    dependsOn("kspCommonMainKotlinMetadata")
+                }
+            }
+        }
+    }
+}

gradle/libs.versions.toml

@@ -67,6 +67,7 @@ kotlinInject = '0.7.2'
 multiplatform-settings = "1.2.0"
 kermit = "2.0.4"
 koin = "4.0.0"
+koin-annotations = "1.4.0-RC4"
 ktor = "3.0.0-rc-1"
 ktrofit = "2.1.0"
 buildKonfig = "0.15.2"
@@ -143,6 +144,9 @@ hilt-core = { group = "com.google.dagger", name = "hilt-core", version.ref = "hi
 hilt-ext-compiler = { group = "androidx.hilt", name = "hilt-compiler", version.ref = "hiltExt" }
 hilt-ext-work = { group = "androidx.hilt", name = "hilt-work", version.ref = "hiltExt" }
 javax-inject = { module = "javax.inject:javax.inject", version = "1" }
+koin-annotations-bom = { group = "io.insert-koin", name = "koin-annotations-bom", version.ref = "koin-annotations" }
+koin-annotations = { group = "io.insert-koin", name = "koin-annotations" }
+koin-ksp-compiler = { group = "io.insert-koin", name = "koin-ksp-compiler" }
 koin-bom = { group = "io.insert-koin", name = "koin-bom", version.ref = "koin" }
 koin-android = { group = "io.insert-koin", name = "koin-android"}
 koin-core = { group = "io.insert-koin", name = "koin-core"}
@@ -272,3 +276,4 @@ nowinandroid-kmp-library = { id = "nowinandroid.kmp.library" }
 nowinandroid-kotlin-inject = { id = "nowinandroid.kmp.inject" }
 nowinandroid-sqldelight = { id = "nowinandroid.sqldelight" }
 nowinandroid-cmp-feature = { id = "nowinandroid.cmp.feature" }
+nowinandroid-di-koin = { id = "nowinandroid.di.koin" }