WIP: Molecule Addition

Author: steve-the-edwards

build.gradle.kts

@@ -10,6 +10,7 @@ buildscript {
     classpath(libs.kotlin.serialization.gradle.plugin)
     classpath(libs.kotlinx.binaryCompatibility.gradle.plugin)
     classpath(libs.kotlin.gradle.plugin)
+    classpath(libs.molecule.gradle.plugin)
     classpath(libs.google.ksp)
     classpath(libs.ktlint.gradle)
     classpath(libs.vanniktech.publish)
@@ -19,6 +20,9 @@ buildscript {
     mavenCentral()
     gradlePluginPortal()
     google()
+    maven {
+      url = uri("https://oss.sonatype.org/content/repositories/snapshots/")
+    }
     // For binary compatibility validator.
     maven { url = uri("https://kotlin.bintray.com/kotlinx") }
   }

buildSrc/build.gradle.kts

@@ -7,6 +7,8 @@ plugins {
 repositories {
   mavenCentral()
   google()
+  // For molecule SNAPSHOT
+  maven { url = uri("https://oss.sonatype.org/content/repositories/snapshots/")}
 }
 
 dependencies {

gradle/libs.versions.toml

@@ -9,8 +9,8 @@ targetSdk = "30"
 androidx-activity = "1.3.0"
 androidx-appcompat = "1.3.1"
 androidx-benchmark = "1.1.0-rc03"
-androidx-compose = "1.1.0-rc01"
-androidx-compose-compiler = "1.1.0-rc02"
+androidx-compose = "1.1.0"
+androidx-compose-compiler = "1.1.0"
 androidx-constraintlayout = "2.1.2"
 androidx-core = "1.6.0"
 androidx-fragment = "1.3.6"
@@ -49,8 +49,8 @@ kotest = "5.1.0"
 kotlin = "1.6.10"
 
 kotlinx-binary-compatibility = "0.6.0"
-kotlinx-coroutines = "1.5.1"
-# The 1.5.1 test artifact is jvm-only. The commonTest module should use 1.6.1.
+kotlinx-coroutines = "1.5.2"
+# The 1.5.2 test artifact is jvm-only. The commonTest module should use 1.6.1.
 kotlinx-coroutines-test-common = "1.6.1"
 kotlinx-serialization-json = "1.3.2"
 kotlinx-benchmark = "0.4.2"
@@ -64,6 +64,9 @@ mockito-core = "3.3.3"
 mockito-kotlin = "3.2.0"
 
 mockk = "1.11.0"
+
+molecule = "0.3.0-SNAPSHOT"
+
 robolectric = "4.6.1"
 
 rxjava2-android = "2.1.1"
@@ -100,8 +103,12 @@ kotlinx-benchmark = { id = "org.jetbrains.kotlinx.benchmark", version.ref = "kot
 ktlint = { id = "org.jlleitschuh.gradle.ktlint", version.ref = "ktlint" }
 mavenPublish = { id = "com.vanniktech.maven.publish", version.ref = "vanniktech-publish" }
 
+molecule = { id = "app.cash.molecule", version.ref = "molecule"}
+
 [libraries]
 
+molecule-gradle-plugin = { module = "app.cash.molecule:molecule-gradle-plugin", version.ref = "molecule"}
+
 android-gradle-plugin = { module = "com.android.tools.build:gradle", version.ref = "androidTools" }
 
 androidx-activity-compose = { module = "androidx.activity:activity-compose", version.ref = "androidx-activity" }

settings.gradle.kts

@@ -9,6 +9,8 @@ pluginManagement {
     google()
     // For binary compatibility validator.
     maven { url = uri("https://kotlin.bintray.com/kotlinx") }
+    // For molecule SNAPSHOT
+    maven { url = uri("https://oss.sonatype.org/content/repositories/snapshots/")}
   }
 }
 
@@ -29,6 +31,8 @@ dependencyResolutionManagement {
   repositories {
     mavenCentral()
     google()
+    // For molecule SNAPSHOT
+    maven { url = uri("https://oss.sonatype.org/content/repositories/snapshots/")}
     // See androidx.dev (can use this for Snapshot builds of AndroidX)
     // maven { url = java.net.URI.create("https://androidx.dev/snapshots/builds/8224905/artifacts/repository") }
   }

workflow-runtime/build.gradle.kts

@@ -5,6 +5,7 @@ plugins {
   `kotlin-multiplatform`
   id("org.jetbrains.dokka")
   id("org.jetbrains.kotlinx.benchmark")
+  id("app.cash.molecule")
 }
 
 apply(from = rootProject.file(".buildscript/configure-maven-publish.gradle"))

workflow-runtime/src/commonMain/kotlin/com/squareup/workflow1/RenderWorkflow.kt

@@ -133,6 +133,8 @@ public fun <PropsT, OutputT, RenderingT> renderWorkflowIn(
     }
   )
 
+  scope.launchMolecule {}
+
   scope.launch {
     while (isActive) {
       // It might look weird to start by consuming the output before getting the rendering below,