gradle build convention

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

@@ -0,0 +1,18 @@
+import com.android.build.api.dsl.ApplicationExtension
+import dev.meloda.fast.configureAndroidCompose
+import org.gradle.api.Plugin
+import org.gradle.api.Project
+import org.gradle.kotlin.dsl.apply
+import org.gradle.kotlin.dsl.getByType
+
+class AndroidApplicationComposeConventionPlugin : Plugin<Project> {
+    override fun apply(target: Project) {
+        with(target) {
+            apply(plugin = "com.android.application")
+            apply(plugin = "org.jetbrains.kotlin.plugin.compose")
+
+            val extension = extensions.getByType<ApplicationExtension>()
+            configureAndroidCompose(extension)
+        }
+    }
+}

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

@@ -0,0 +1,22 @@
+import com.android.build.api.dsl.ApplicationExtension
+import dev.meloda.fast.configureKotlinAndroid
+import dev.meloda.fast.libs
+import org.gradle.api.Plugin
+import org.gradle.api.Project
+import org.gradle.kotlin.dsl.configure
+
+class AndroidApplicationConventionPlugin : Plugin<Project> {
+    override fun apply(target: Project) {
+        with(target) {
+            with(pluginManager) {
+                apply("com.android.application")
+                apply("org.jetbrains.kotlin.android")
+            }
+
+            extensions.configure<ApplicationExtension> {
+                configureKotlinAndroid(this)
+                defaultConfig.targetSdk = libs.findVersion("targetSdk").get().toString().toInt()
+            }
+        }
+    }
+}

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

@@ -0,0 +1,27 @@
+import dev.meloda.fast.libs
+import org.gradle.api.Plugin
+import org.gradle.api.Project
+import org.gradle.kotlin.dsl.dependencies
+import org.gradle.kotlin.dsl.kotlin
+
+class AndroidFeatureConventionPlugin : Plugin<Project> {
+    override fun apply(target: Project) {
+        with(target) {
+            pluginManager.apply {
+                apply("fast.android.library")
+            }
+
+            dependencies {
+                add("implementation", project(":core:common"))
+                add("implementation", project(":core:data"))
+                add("implementation", project(":core:model"))
+                add("implementation", project(":core:ui"))
+
+                add("testImplementation", kotlin("test"))
+                add("androidTestImplementation", kotlin("test"))
+
+                add("implementation", libs.findBundle("nanokt").get())
+            }
+        }
+    }
+}

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

@@ -0,0 +1,18 @@
+import com.android.build.gradle.LibraryExtension
+import dev.meloda.fast.configureAndroidCompose
+import org.gradle.api.Plugin
+import org.gradle.api.Project
+import org.gradle.kotlin.dsl.apply
+import org.gradle.kotlin.dsl.getByType
+
+class AndroidLibraryComposeConventionPlugin : Plugin<Project> {
+    override fun apply(target: Project) {
+        with(target) {
+            apply(plugin = "com.android.library")
+            apply(plugin = "org.jetbrains.kotlin.plugin.compose")
+
+            val extension = extensions.getByType<LibraryExtension>()
+            configureAndroidCompose(extension)
+        }
+    }
+}

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

@@ -0,0 +1,36 @@
+import com.android.build.api.variant.LibraryAndroidComponentsExtension
+import com.android.build.gradle.LibraryExtension
+import dev.meloda.fast.configureKotlinAndroid
+import dev.meloda.fast.disableUnnecessaryAndroidTests
+import dev.meloda.fast.libs
+import org.gradle.api.Plugin
+import org.gradle.api.Project
+import org.gradle.kotlin.dsl.configure
+import org.gradle.kotlin.dsl.dependencies
+import org.gradle.kotlin.dsl.kotlin
+
+class AndroidLibraryConventionPlugin : Plugin<Project> {
+    override fun apply(target: Project) {
+        with(target) {
+            with(pluginManager) {
+                apply("com.android.library")
+                apply("org.jetbrains.kotlin.android")
+                apply("org.jetbrains.kotlin.plugin.parcelize")
+                apply("org.jetbrains.kotlin.plugin.serialization")
+            }
+
+            extensions.configure<LibraryExtension> {
+                configureKotlinAndroid(this)
+                defaultConfig.targetSdk = libs.findVersion("targetSdk").get().toString().toInt()
+                defaultConfig.testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+            }
+            extensions.configure<LibraryAndroidComponentsExtension> {
+                disableUnnecessaryAndroidTests(target)
+            }
+            dependencies {
+                add("androidTestImplementation", kotlin("test"))
+                add("testImplementation", kotlin("test"))
+            }
+        }
+    }
+}

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

@@ -0,0 +1,31 @@
+import androidx.room.gradle.RoomExtension
+import com.google.devtools.ksp.gradle.KspExtension
+import dev.meloda.fast.libs
+import org.gradle.api.Plugin
+import org.gradle.api.Project
+import org.gradle.kotlin.dsl.configure
+import org.gradle.kotlin.dsl.dependencies
+
+class AndroidRoomConventionPlugin : Plugin<Project> {
+
+    override fun apply(target: Project) {
+        with(target) {
+            pluginManager.apply("androidx.room")
+            pluginManager.apply("com.google.devtools.ksp")
+
+            extensions.configure<KspExtension> {
+                arg("room.generateKotlin", "true")
+            }
+
+            extensions.configure<RoomExtension> {
+                schemaDirectory("$projectDir/schemas")
+            }
+
+            dependencies {
+                add("implementation", libs.findLibrary("room.runtime").get())
+                add("implementation", libs.findLibrary("room.ktx").get())
+                add("ksp", libs.findLibrary("room.compiler").get())
+            }
+        }
+    }
+}

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

@@ -0,0 +1,22 @@
+import com.android.build.gradle.TestExtension
+import dev.meloda.fast.configureKotlinAndroid
+import dev.meloda.fast.libs
+import org.gradle.api.Plugin
+import org.gradle.api.Project
+import org.gradle.kotlin.dsl.configure
+
+class AndroidTestConventionPlugin : Plugin<Project> {
+    override fun apply(target: Project) {
+        with(target) {
+            with(pluginManager) {
+                apply("com.android.test")
+                apply("org.jetbrains.kotlin.android")
+            }
+
+            extensions.configure<TestExtension> {
+                configureKotlinAndroid(this)
+                defaultConfig.targetSdk = libs.findVersion("targetSdk").get().toString().toInt()
+            }
+        }
+    }
+}

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

@@ -0,0 +1,14 @@
+import dev.meloda.fast.configureKotlinJvm
+import org.gradle.api.Plugin
+import org.gradle.api.Project
+
+class JvmLibraryConventionPlugin : Plugin<Project> {
+    override fun apply(target: Project) {
+        with(target) {
+            with(pluginManager) {
+                apply("org.jetbrains.kotlin.jvm")
+            }
+            configureKotlinJvm()
+        }
+    }
+}

build-logic/convention/src/main/kotlin/dev/meloda/fast/AndroidCompose.kt

@@ -0,0 +1,23 @@
+package dev.meloda.fast
+
+import com.android.build.api.dsl.CommonExtension
+import org.gradle.api.Project
+import org.gradle.kotlin.dsl.dependencies
+
+internal fun Project.configureAndroidCompose(
+    commonExtension: CommonExtension<*, *, *, *, *, *>,
+) {
+    commonExtension.apply {
+        buildFeatures {
+            compose = true
+        }
+
+        dependencies {
+            val bom = libs.findLibrary("compose-bom").get()
+            add("implementation", platform(bom))
+            add("androidTestImplementation", platform(bom))
+            add("implementation", libs.findLibrary("compose-ui-tooling-preview").get())
+            add("debugImplementation", libs.findLibrary("compose-ui-tooling").get())
+        }
+    }
+}

build-logic/convention/src/main/kotlin/dev/meloda/fast/AndroidInstrumentedTests.kt

@@ -0,0 +1,19 @@
+package dev.meloda.fast
+
+import com.android.build.api.variant.LibraryAndroidComponentsExtension
+import org.gradle.api.Project
+
+/**
+ * Disable unnecessary Android instrumented tests for the [project] if there is no `androidTest` folder.
+ * Otherwise, these projects would be compiled, packaged, installed and ran only to end-up with the following message:
+ *
+ * > Starting 0 tests on AVD
+ *
+ * Note: this could be improved by checking other potential sourceSets based on buildTypes and flavors.
+ */
+internal fun LibraryAndroidComponentsExtension.disableUnnecessaryAndroidTests(
+    project: Project,
+) = beforeVariants {
+    it.enableAndroidTest = it.enableAndroidTest
+        && project.projectDir.resolve("src/androidTest").exists()
+}

build-logic/convention/src/main/kotlin/dev/meloda/fast/KotlinAndroid.kt

@@ -0,0 +1,62 @@
+package dev.meloda.fast
+
+import com.android.build.api.dsl.CommonExtension
+import org.gradle.api.JavaVersion
+import org.gradle.api.Project
+import org.gradle.api.plugins.JavaPluginExtension
+import org.gradle.kotlin.dsl.assign
+import org.gradle.kotlin.dsl.configure
+import org.gradle.kotlin.dsl.provideDelegate
+import org.jetbrains.kotlin.gradle.dsl.JvmTarget
+import org.jetbrains.kotlin.gradle.dsl.KotlinAndroidProjectExtension
+import org.jetbrains.kotlin.gradle.dsl.KotlinJvmProjectExtension
+import org.jetbrains.kotlin.gradle.dsl.KotlinTopLevelExtension
+
+internal fun Project.configureKotlinAndroid(
+    commonExtension: CommonExtension<*, *, *, *, *, *>,
+) {
+    commonExtension.apply {
+        compileSdk = libs.findVersion("compileSdk").get().toString().toInt()
+
+        defaultConfig {
+            minSdk = libs.findVersion("minSdk").get().toString().toInt()
+        }
+
+        compileOptions {
+            sourceCompatibility = JavaVersion.VERSION_17
+            targetCompatibility = JavaVersion.VERSION_17
+        }
+    }
+
+    configureKotlin<KotlinAndroidProjectExtension>()
+}
+
+internal fun Project.configureKotlinJvm() {
+    extensions.configure<JavaPluginExtension> {
+        sourceCompatibility = JavaVersion.VERSION_17
+        targetCompatibility = JavaVersion.VERSION_17
+    }
+
+    configureKotlin<KotlinJvmProjectExtension>()
+}
+
+private inline fun <reified T : KotlinTopLevelExtension> Project.configureKotlin() = configure<T> {
+    // Treat all Kotlin warnings as errors (disabled by default)
+    // Override by setting warningsAsErrors=true in your ~/.gradle/gradle.properties
+    val warningsAsErrors: String? by project
+    when (this) {
+        is KotlinAndroidProjectExtension -> compilerOptions
+        is KotlinJvmProjectExtension -> compilerOptions
+        else -> TODO("Unsupported project extension $this ${T::class}")
+    }.apply {
+        jvmTarget = JvmTarget.JVM_17
+        allWarningsAsErrors = warningsAsErrors.toBoolean()
+        freeCompilerArgs.addAll(
+            "-opt-in=kotlin.RequiresOptIn",
+            // Enable experimental coroutines APIs, including Flow
+            "-opt-in=kotlinx.coroutines.ExperimentalCoroutinesApi",
+            "-opt-in=kotlinx.coroutines.FlowPreview",
+            "-Xcontext-receivers"
+        )
+    }
+}

build-logic/convention/src/main/kotlin/dev/meloda/fast/ProjectExtensions.kt

@@ -0,0 +1,9 @@
+package dev.meloda.fast
+
+import org.gradle.api.Project
+import org.gradle.api.artifacts.VersionCatalog
+import org.gradle.api.artifacts.VersionCatalogsExtension
+import org.gradle.kotlin.dsl.getByType
+
+val Project.libs
+    get(): VersionCatalog = extensions.getByType<VersionCatalogsExtension>().named("libs")