Cleanup and rework build logic (#3113)

source-api/build.gradle.kts

@@ -1,32 +1,38 @@
 import org.jetbrains.kotlin.gradle.ExperimentalKotlinGradlePluginApi
 
 plugins {
-    id("mihon.library")
-    kotlin("multiplatform")
-    kotlin("plugin.serialization")
+    alias(mihonx.plugins.kotlin.multiplatform)
+    alias(mihonx.plugins.spotless)
+
+    alias(libs.plugins.kotlin.serialization)
 }
 
 kotlin {
-    androidTarget()
-    sourceSets {
-        val commonMain by getting {
-            dependencies {
-                api(libs.kotlinx.serialization.json)
-                api(libs.injekt)
-                api(libs.rxJava)
-                api(libs.jsoup)
+    android {
+        namespace = "eu.kanade.tachiyomi.source"
 
-                implementation(project.dependencies.platform(libs.androidx.compose.bom))
-                implementation(libs.androidx.compose.runtime)
-            }
+        defaultConfig {
+            consumerProguardFile("consumer-proguard.pro")
         }
-        val androidMain by getting {
+    }
+
+    @OptIn(ExperimentalKotlinGradlePluginApi::class)
+    @Suppress("UnstableApiUsage")
+    dependencies {
+        api(libs.kotlinx.serialization.json)
+        api(libs.injekt)
+        api(libs.rxJava)
+        api(libs.jsoup)
+
+        implementation(platform(libs.androidx.compose.bom))
+        implementation(libs.androidx.compose.runtime)
+    }
+
+    sourceSets {
+        androidMain {
             dependencies {
                 implementation(projects.core.common)
                 api(libs.androidx.preference)
-
-                // Workaround for https://youtrack.jetbrains.com/issue/KT-57605
-                implementation(libs.kotlinx.coroutines.android)
             }
         }
     }
@@ -36,11 +42,3 @@ kotlin {
         freeCompilerArgs.add("-Xexpect-actual-classes")
     }
 }
-
-android {
-    namespace = "eu.kanade.tachiyomi.source"
-
-    defaultConfig {
-        consumerProguardFile("consumer-proguard.pro")
-    }
-}