build.gradle

import java.nio.file.Paths

buildscript {
  repositories {
    google()
    mavenCentral()
  }

  dependencies {
    classpath "com.android.tools.build:gradle:7.2.1"
  }
}

def reactNativeArchitectures() {
  def value = rootProject.getProperties().get("reactNativeArchitectures")
  return value ? value.split(",") : ["armeabi-v7a", "x86", "x86_64", "arm64-v8a"]
}

apply plugin: "com.android.library"
apply plugin: "com.facebook.react"

static def findNodeModules(baseDir) {
  // Check if we are building the example app:
  // Check if ../FabricExample/node_modules exists
  def exampleAppPath = Paths.get(baseDir.toString(), "..", "FabricExample")
  def exampleNodeModulesPath = Paths.get(exampleAppPath.toString(), "node_modules")
  if (exampleNodeModulesPath.toFile().exists()) {
    return exampleNodeModulesPath.toAbsolutePath()
  }

  def basePath = baseDir.toPath().normalize()
  // Node's module resolution algorithm searches up to the root directory,
  // after which the base path will be null
  while (basePath) {
    def nodeModulesPath = Paths.get(basePath.toString(), "node_modules")
    def reactNativePath = Paths.get(nodeModulesPath.toString(), "react-native")
    if (nodeModulesPath.toFile().exists() && reactNativePath.toFile().exists()) {
      return nodeModulesPath.toString()
    }
    basePath = basePath.getParent()
  }

  throw new GradleException("react-native-wgpu: Failed to find node_modules/ path!")
}

def nodeModules = findNodeModules(projectDir)

def getExtOrDefault(name) {
  return rootProject.ext.has(name) ? rootProject.ext.get(name) : project.properties["Wgpu_" + name]
}

def getExtOrIntegerDefault(name) {
  return rootProject.ext.has(name) ? rootProject.ext.get(name) : (project.properties["Wgpu_" + name]).toInteger()
}

def supportsNamespace() {
  def parsed = com.android.Version.ANDROID_GRADLE_PLUGIN_VERSION.tokenize('.')
  def major = parsed[0].toInteger()
  def minor = parsed[1].toInteger()

  // Namespace support was added in 7.3.0
  return (major == 7 && minor >= 3) || major >= 8
}

android {
  compileSdkVersion getExtOrIntegerDefault("compileSdkVersion")

  defaultConfig {
    minSdkVersion getExtOrIntegerDefault("minSdkVersion")
    targetSdkVersion getExtOrIntegerDefault("targetSdkVersion")
    buildConfigField "boolean", "IS_NEW_ARCHITECTURE_ENABLED", "true"
    externalNativeBuild {
      cmake {
        cppFlags "-fexceptions", "-frtti", "-DONANDROID"
        abiFilters (*reactNativeArchitectures())
        arguments '-DANDROID_STL=c++_shared',
          "-DNODE_MODULES_DIR=${nodeModules}",
          "-DANDROID_SUPPORT_FLEXIBLE_PAGE_SIZES=ON"
      }
    }
  }

  packagingOptions {
    excludes = [
      "**/libjsi.so",
      "**/libreactnativejni.so",
    ]
  }

  buildFeatures {
    buildConfig true
    prefab true
  }

  buildTypes {
    release {
      minifyEnabled false
    }
  }

  lintOptions {
    disable "GradleCompatible"
  }

  compileOptions {
    sourceCompatibility JavaVersion.VERSION_1_8
    targetCompatibility JavaVersion.VERSION_1_8
  }

  sourceSets {
    main {
      java.srcDirs += [
        "src/newarch",
        // This is needed to build Kotlin project with NewArch enabled
        "${project.buildDir}/generated/source/codegen/java"
      ]
    }
  }

  externalNativeBuild {
    cmake {
      path file('CMakeLists.txt')
    }
  }
}

repositories {
  mavenCentral()
  google()
}


dependencies {
  // For < 0.71, this will be from the local maven repo
  // For > 0.71, this will be replaced by `com.facebook.react:react-android:$version` by react gradle plugin
  //noinspection GradleDynamicVersion
  implementation "com.facebook.react:react-native:+"
}