import org.apache.tools.ant.taskdefs.condition.Os def config = project.hasProperty("react") ? project.react : []; def bundleAssetName = config.bundleAssetName ?: "index.android.bundle" def entryFile = config.entryFile ?: "index.android.js" // because elvis operator def elvisFile(thing) { return thing ? file(thing) : null; } def reactRoot = elvisFile(config.root) ?: file("../../") def inputExcludes = config.inputExcludes ?: ["android/**", "ios/**"] void runBefore(String dependentTaskName, Task task) { Task dependentTask = tasks.findByPath(dependentTaskName); if (dependentTask != null) { dependentTask.dependsOn task } } gradle.projectsEvaluated { // Grab all build types and product flavors def buildTypes = android.buildTypes.collect { type -> type.name } def productFlavors = android.productFlavors.collect { flavor -> flavor.name } // When no product flavors defined, use empty if (!productFlavors) productFlavors.add('') productFlavors.each { productFlavorName -> buildTypes.each { buildTypeName -> // Create variant and target names def targetName = "${productFlavorName.capitalize()}${buildTypeName.capitalize()}" def targetPath = productFlavorName ? "${productFlavorName}/${buildTypeName}" : "${buildTypeName}" // React js bundle directories def jsBundleDirConfigName = "jsBundleDir${targetName}" def jsBundleDir = elvisFile(config."$jsBundleDirConfigName") ?: file("$buildDir/intermediates/assets/${targetPath}") def resourcesDirConfigName = "resourcesDir${targetName}" def resourcesDir = elvisFile(config."${resourcesDirConfigName}") ?: file("$buildDir/intermediates/res/merged/${targetPath}") def jsBundleFile = file("$jsBundleDir/$bundleAssetName") // Bundle task name for variant def bundleJsAndAssetsTaskName = "bundle${targetName}JsAndAssets" def currentBundleTask = tasks.create( name: bundleJsAndAssetsTaskName, type: Exec) { group = "react" description = "bundle JS and assets for ${targetName}." // Create dirs if they are not there (e.g. the "clean" task just ran) doFirst { jsBundleDir.mkdirs() resourcesDir.mkdirs() } // Set up inputs and outputs so gradle can cache the result inputs.files fileTree(dir: reactRoot, excludes: inputExcludes) outputs.dir jsBundleDir outputs.dir resourcesDir // Set up the call to the react-native cli workingDir reactRoot // Set up dev mode def devEnabled = !targetName.toLowerCase().contains("release") if (Os.isFamily(Os.FAMILY_WINDOWS)) { commandLine "cmd", "/c", "react-native", "bundle", "--platform", "android", "--dev", "${devEnabled}", "--entry-file", entryFile, "--bundle-output", jsBundleFile, "--assets-dest", resourcesDir } else { commandLine "react-native", "bundle", "--platform", "android", "--dev", "${devEnabled}", "--entry-file", entryFile, "--bundle-output", jsBundleFile, "--assets-dest", resourcesDir } enabled config."bundleIn${targetName}" || config."bundleIn${buildTypeName.capitalize()}" ?: targetName.toLowerCase().contains("release") } // Hook bundle${productFlavor}${buildType}JsAndAssets into the android build process currentBundleTask.dependsOn("merge${targetName}Resources") currentBundleTask.dependsOn("merge${targetName}Assets") runBefore("processArmeabi-v7a${targetName}Resources", currentBundleTask) runBefore("processX86${targetName}Resources", currentBundleTask) runBefore("processUniversal${targetName}Resources", currentBundleTask) runBefore("process${targetName}Resources", currentBundleTask) } } }