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react.gradle
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/*
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
import org.apache.tools.ant.taskdefs.condition.Os
import org.gradle.internal.jvm.Jvm
def config = project.hasProperty("react") ? project.react : [:];
def detectEntryFile(config) {
if (System.getenv('ENTRY_FILE')) {
return System.getenv('ENTRY_FILE')
} else if (config.entryFile) {
return config.entryFile
} else if ((new File("${projectDir}/../../index.android.js")).exists()) {
return "index.android.js"
}
return "index.js";
}
def composeSourceMapsPath = config.composeSourceMapsPath ?: "node_modules/react-native/scripts/compose-source-maps.js"
def bundleAssetName = config.bundleAssetName ?: "index.android.bundle"
def entryFile = detectEntryFile(config)
def bundleCommand = config.bundleCommand ?: "bundle"
def reactRoot = file(config.root ?: "../../")
def inputExcludes = config.inputExcludes ?: ["android/**", "ios/**"]
def bundleConfig = config.bundleConfig ? "${reactRoot}/${config.bundleConfig}" : null ;
def enableVmCleanup = config.enableVmCleanup == null ? true : config.enableVmCleanup
def hermesCommand = config.hermesCommand
/**
* Detects CLI location in a similar fashion to the React Native CLI
*/
def detectCliPath(config, reactRoot) {
// 1. preconfigured path
if (config.cliPath) {
def cliJsAbsolute = new File(config.cliPath)
if (cliJsAbsolute.exists()) {
return cliJsAbsolute.getAbsolutePath()
}
def cliJsRelativeToRoot = new File("${rootDir}/${config.cliPath}")
if (cliJsRelativeToRoot.exists()) {
return cliJsRelativeToRoot.getAbsolutePath()
}
def cliJsRelativeToProject = new File("${projectDir}/${config.cliPath}")
if (cliJsRelativeToProject.exists()) {
return cliJsRelativeToProject.getAbsolutePath()
}
}
// 2. node module path
def cliJsFromNode = new File(["node", "--print", "require.resolve('react-native/cli').bin"].execute(null, rootDir).text.trim())
if (cliJsFromNode.exists()) {
return cliJsFromNode.getAbsolutePath()
}
// 3. cli.js in the root folder
def rootCliJs = new File(reactRoot, "node_modules/react-native/cli.js")
if (rootCliJs.exists()) {
return rootCliJs.getAbsolutePath()
}
throw new Exception("Couldn't determine CLI location. " +
"Please set `project.ext.react.cliPath` to the path of the react-native cli.js file. " +
"This file typically resides in `node_modules/react-native/cli.js`");
}
def reactNativeDevServerPort() {
def value = project.getProperties().get("reactNativeDevServerPort")
return value != null ? value : "8081"
}
def reactNativeInspectorProxyPort() {
def value = project.getProperties().get("reactNativeInspectorProxyPort")
return value != null ? value : reactNativeDevServerPort()
}
def getHermesOSBin() {
if (Os.isFamily(Os.FAMILY_WINDOWS)) return "win64-bin";
if (Os.isFamily(Os.FAMILY_MAC)) return "osx-bin";
if (Os.isOs(null, "linux", "amd64", null)) return "linux64-bin";
throw new Exception("OS not recognized. Please set project.ext.react.hermesCommand " +
"to the path of a working Hermes compiler.");
}
// Make sure not to inspect the Hermes config unless we need it,
// to avoid breaking any JSC-only setups.
def getHermesCommand = {
// 1. If the project specifies a Hermes command, don't second guess it.
if (config.hermesCommand?.trim()) {
if (hermesCommand.contains("%OS-BIN%")) {
return hermesCommand
.replaceAll("%OS-BIN%", getHermesOSBin())
.replace('/' as char, File.separatorChar)
} else {
return hermesCommand
.replace('/' as char, File.separatorChar)
}
}
// 2. If the project is building hermes-engine from source, use hermesc from there
// Also note that user can override the hermes source location with
// the `REACT_NATIVE_OVERRIDE_HERMES_DIR` env variable.
def hermesOverrideDir = System.getenv("REACT_NATIVE_OVERRIDE_HERMES_DIR")
def builtHermesc = hermesOverrideDir ?
new File(hermesOverrideDir, "build/bin/hermesc") :
new File(reactRoot, "node_modules/react-native/ReactAndroid/hermes-engine/build/hermes/bin/hermesc")
if (builtHermesc.exists()) {
return builtHermesc.getAbsolutePath()
}
// 3. If the react-native contains a pre-built hermesc, use it.
def prebuiltHermesPath = "node_modules/react-native/sdks/hermesc/%OS-BIN%/hermesc"
.replaceAll("%OS-BIN%", getHermesOSBin())
.replace('/' as char, File.separatorChar);
def prebuiltHermes = new File(reactRoot, prebuiltHermesPath)
if (prebuiltHermes.exists()) {
return prebuiltHermes.getAbsolutePath()
}
throw new Exception("Couldn't determine Hermesc location. " +
"Please set `project.ext.react.hermesCommand` to the path of the hermesc binary file. " +
"node_modules/react-native/sdks/hermesc/%OS-BIN%/hermesc");
}
// Set enableHermesForVariant to a function to configure per variant,
// or set `enableHermes` to True/False to set all of them
def enableHermesForVariant = config.enableHermesForVariant ?: {
def variant -> config.enableHermes ?: false
}
// Set hermesFlagsForVariant to a function to configure per variant,
// or set `hermesFlagsRelease` and `hermesFlagsDebug` to an array
def hermesFlagsForVariant = config.hermesFlagsForVariant ?: {
def variant ->
def hermesFlags;
if (variant.name.toLowerCase().contains("release")) {
// Can't use ?: since that will also substitute valid empty lists
hermesFlags = config.hermesFlagsRelease
if (hermesFlags == null) hermesFlags = ["-O", "-output-source-map"]
} else {
hermesFlags = config.hermesFlagsDebug
if (hermesFlags == null) hermesFlags = []
}
return hermesFlags
}
// Set disableDevForVariant to a function to configure per variant,
// defaults to `devDisabledIn${targetName}` or True for Release variants and False for debug variants
def disableDevForVariant = config.disableDevForVariant ?: {
def variant ->
config."devDisabledIn${variant.name.capitalize()}" ||
variant.name.toLowerCase().contains("release")
}
// Set bundleForVariant to a function to configure per variant,
// defaults to `bundleIn${targetName}` or True for Release variants and False for debug variants
def bundleForVariant = config.bundleForVariant ?: {
def variant ->
config."bundleIn${variant.name.capitalize()}" ||
config."bundleIn${variant.buildType.name.capitalize()}" ||
variant.name.toLowerCase().contains("release")
}
// Set deleteDebugFilesForVariant to a function to configure per variant,
// defaults to True for Release variants and False for debug variants
def deleteDebugFilesForVariant = config.deleteDebugFilesForVariant ?: {
def variant -> variant.name.toLowerCase().contains("release")
}
android {
buildTypes.all {
resValue "integer", "react_native_dev_server_port", reactNativeDevServerPort()
resValue "integer", "react_native_inspector_proxy_port", reactNativeInspectorProxyPort()
}
}
def jvmVersion = Jvm.current().javaVersion.majorVersion
if (jvmVersion.toInteger() <= 8) {
println "\n\n\n"
println "**************************************************************************************************************"
println "\n\n"
println "ERROR: requires JDK11 or higher."
println "Incompatible major version detected: '" + jvmVersion + "'"
println "\n\n"
println "**************************************************************************************************************"
println "\n\n\n"
System.exit(1)
}
afterEvaluate {
def isAndroidLibrary = plugins.hasPlugin("com.android.library")
def variants = isAndroidLibrary ? android.libraryVariants : android.applicationVariants
variants.all { def variant ->
// Create variant and target names
def targetName = variant.name.capitalize()
def targetPath = variant.dirName
// React js bundle directories
def jsBundleDir = file("$buildDir/generated/assets/react/${targetPath}")
def resourcesDir = file("$buildDir/generated/res/react/${targetPath}")
def jsBundleFile = file("$jsBundleDir/$bundleAssetName")
def jsSourceMapsDir = file("$buildDir/generated/sourcemaps/react/${targetPath}")
def jsIntermediateSourceMapsDir = file("$buildDir/intermediates/sourcemaps/react/${targetPath}")
def jsPackagerSourceMapFile = file("$jsIntermediateSourceMapsDir/${bundleAssetName}.packager.map")
def jsCompilerSourceMapFile = file("$jsIntermediateSourceMapsDir/${bundleAssetName}.compiler.map")
def jsOutputSourceMapFile = file("$jsSourceMapsDir/${bundleAssetName}.map")
// Additional node and packager commandline arguments
def nodeExecutableAndArgs = config.nodeExecutableAndArgs ?: ["node"]
def cliPath = detectCliPath(config, reactRoot)
def execCommand = []
if (Os.isFamily(Os.FAMILY_WINDOWS)) {
execCommand.addAll(["cmd", "/c", *nodeExecutableAndArgs, cliPath])
} else {
execCommand.addAll([*nodeExecutableAndArgs, cliPath])
}
def enableHermes = enableHermesForVariant(variant)
def currentBundleTask = tasks.create(
name: "bundle${targetName}JsAndAssets",
type: Exec) {
group = "react"
description = "bundle JS and assets for ${targetName}."
// Create dirs if they are not there (e.g. the "clean" task just ran)
doFirst {
jsBundleDir.deleteDir()
jsBundleDir.mkdirs()
resourcesDir.deleteDir()
resourcesDir.mkdirs()
jsIntermediateSourceMapsDir.deleteDir()
jsIntermediateSourceMapsDir.mkdirs()
jsSourceMapsDir.deleteDir()
jsSourceMapsDir.mkdirs()
}
// Set up inputs and outputs so gradle can cache the result
inputs.files fileTree(dir: reactRoot, excludes: inputExcludes)
outputs.dir(jsBundleDir)
outputs.dir(resourcesDir)
// Set up the call to the react-native cli
workingDir(reactRoot)
// Set up dev mode
def devEnabled = !disableDevForVariant(variant)
def extraArgs = []
if (bundleConfig) {
extraArgs.add("--config")
extraArgs.add(bundleConfig)
}
// Hermes doesn't require JS minification.
if (enableHermes && !devEnabled) {
extraArgs.add("--minify")
extraArgs.add("false")
}
if (config.extraPackagerArgs) {
extraArgs.addAll(config.extraPackagerArgs)
}
commandLine(*execCommand, bundleCommand, "--platform", "android", "--dev", "${devEnabled}",
"--reset-cache", "--entry-file", entryFile, "--bundle-output", jsBundleFile, "--assets-dest", resourcesDir,
"--sourcemap-output", enableHermes ? jsPackagerSourceMapFile : jsOutputSourceMapFile, *extraArgs)
if (enableHermes) {
doLast {
def hermesFlags = hermesFlagsForVariant(variant)
def hbcTempFile = file("${jsBundleFile}.hbc")
exec {
if (Os.isFamily(Os.FAMILY_WINDOWS)) {
commandLine("cmd", "/c", getHermesCommand(), "-emit-binary", "-out", hbcTempFile, jsBundleFile, *hermesFlags)
} else {
commandLine(getHermesCommand(), "-emit-binary", "-out", hbcTempFile, jsBundleFile, *hermesFlags)
}
}
ant.move(
file: hbcTempFile,
toFile: jsBundleFile
);
if (hermesFlags.contains("-output-source-map")) {
ant.move(
// Hermes will generate a source map with this exact name
file: "${jsBundleFile}.hbc.map",
tofile: jsCompilerSourceMapFile
);
exec {
// TODO: set task dependencies for caching
// Set up the call to the compose-source-maps script
workingDir(reactRoot)
if (Os.isFamily(Os.FAMILY_WINDOWS)) {
commandLine("cmd", "/c", *nodeExecutableAndArgs, composeSourceMapsPath, jsPackagerSourceMapFile, jsCompilerSourceMapFile, "-o", jsOutputSourceMapFile)
} else {
commandLine(*nodeExecutableAndArgs, composeSourceMapsPath, jsPackagerSourceMapFile, jsCompilerSourceMapFile, "-o", jsOutputSourceMapFile)
}
}
}
}
}
enabled bundleForVariant(variant)
}
// Expose a minimal interface on the application variant and the task itself:
variant.ext.bundleJsAndAssets = currentBundleTask
currentBundleTask.ext.generatedResFolders = files(resourcesDir).builtBy(currentBundleTask)
currentBundleTask.ext.generatedAssetsFolders = files(jsBundleDir).builtBy(currentBundleTask)
// registerGeneratedResFolders for Android plugin 3.x
if (variant.respondsTo("registerGeneratedResFolders")) {
variant.registerGeneratedResFolders(currentBundleTask.generatedResFolders)
} else {
variant.registerResGeneratingTask(currentBundleTask)
}
variant.mergeResourcesProvider.get().dependsOn(currentBundleTask)
// packageApplication for Android plugin 3.x
def packageTask = variant.hasProperty("packageApplication")
? variant.packageApplicationProvider.get()
: tasks.findByName("package${targetName}")
if (variant.hasProperty("packageLibrary")) {
packageTask = variant.packageLibrary
}
// pre bundle build task for Android plugin 3.2+
def buildPreBundleTask = tasks.findByName("build${targetName}PreBundle")
def resourcesDirConfigValue = config."resourcesDir${targetName}"
if (resourcesDirConfigValue) {
def currentCopyResTask = tasks.create(
name: "copy${targetName}BundledResources",
type: Copy) {
group = "react"
description = "copy bundled resources into custom location for ${targetName}."
from(resourcesDir)
into(file(resourcesDirConfigValue))
dependsOn(currentBundleTask)
enabled(currentBundleTask.enabled)
}
packageTask.dependsOn(currentCopyResTask)
if (buildPreBundleTask != null) {
buildPreBundleTask.dependsOn(currentCopyResTask)
}
}
def currentAssetsCopyTask = tasks.create(
name: "copy${targetName}BundledJs",
type: Copy) {
group = "react"
description = "copy bundled JS into ${targetName}."
from(jsBundleDir)
if (config."jsBundleDir${targetName}") {
into(file(config."jsBundleDir${targetName}"))
} else {
into ("$buildDir/intermediates")
if (isAndroidLibrary) {
into ("library_assets/${variant.name}/out")
} else {
into ("assets/${targetPath}")
// Workaround for Android Gradle Plugin 3.2+ new asset directory
into ("merged_assets/${variant.name}/merge${targetName}Assets/out")
// Workaround for Android Gradle Plugin 3.4+ new asset directory
into ("merged_assets/${variant.name}/out")
// Workaround for Android Gradle Plugin 7.1 asset directory
into("$buildDir/intermediates/assets/${variant.name}/merge${targetName}Assets")
}
}
// mergeAssets must run first, as it clears the intermediates directory
dependsOn(variant.mergeAssetsProvider.get())
enabled(currentBundleTask.enabled)
dependsOn(currentBundleTask)
}
// mergeResources task runs before the bundle file is copied to the intermediate asset directory from Android plugin 4.1+.
// This ensures to copy the bundle file before mergeResources task starts
def mergeResourcesTask = tasks.findByName("merge${targetName}Resources")
mergeResourcesTask.dependsOn(currentAssetsCopyTask)
packageTask.dependsOn(currentAssetsCopyTask)
if (buildPreBundleTask != null) {
buildPreBundleTask.dependsOn(currentAssetsCopyTask)
}
// Delete the VM related libraries that this build doesn't need.
// The application can manage this manually by setting 'enableVmCleanup: false'
//
// This should really be done by packaging all Hermes related libs into
// two separate HermesDebug and HermesRelease AARs, but until then we'll
// kludge it by deleting the .so files out of the /transforms/ directory.
def cleanup = deleteDebugFilesForVariant(variant)
def vmSelectionAction = { libDir ->
fileTree(libDir).matching {
if (enableHermes) {
// For Hermes, delete all the libjsc* files
include "**/libjsc*.so"
if (cleanup) {
// Reduce size by deleting the debugger/inspector
include '**/libhermes-executor-debug.so'
} else {
// Release libs take precedence and must be removed
// to allow debugging
include '**/libhermes-executor-release.so'
}
} else {
// For JSC, delete all the libhermes* files
include "**/libhermes*.so"
}
}.visit { details ->
def targetVariant1 = ".*/transforms/[^/]*/${variant.name}/.*"
def targetVariant2 = ".*/merged_native_libs/${variant.name}/out/lib/.*"
def targetVariant3 = ".*/stripped_native_libs/${variant.name}/out/lib/.*"
def path = details.file.getAbsolutePath().replace(File.separatorChar, '/' as char)
if ((path.matches(targetVariant1) || path.matches(targetVariant2) || path.matches(targetVariant3)) && details.file.isFile()) {
details.file.delete()
}
}
}
if (enableVmCleanup) {
def task = tasks.findByName("package${targetName}")
if (task != null) {
def transformsLibDir = "$buildDir/intermediates/transforms/"
task.doFirst { vmSelectionAction(transformsLibDir) }
}
def sTask = tasks.findByName("strip${targetName}DebugSymbols")
if (sTask != null) {
def strippedLibDir = "$buildDir/intermediates/stripped_native_libs/${variant.name}/out/lib/"
sTask.doLast { vmSelectionAction(strippedLibDir) }
}
def mTask = tasks.findByName("merge${targetName}NativeLibs")
if (mTask != null) {
def mergedLibDir = "$buildDir/intermediates/merged_native_libs/${variant.name}/out/lib/"
mTask.doLast { vmSelectionAction(mergedLibDir) }
}
}
}
}
// Patch needed for https://github.com/facebook/react-native/issues/35210
// This is a patch to short-circuit the "+" dependencies inside the
// users' app/build.gradle file and the various .gradle files of libraries.
// As using plain "+" dependencies causes Gradle to always download the latest,
// this logic forces Gradle to use latest release in the minor series.
project.rootProject.allprojects {
configurations.all {
resolutionStrategy {
force "com.facebook.react:react-native:0.69.+"
force "com.facebook.react:hermes-engine:0.69.+"
}
}
}