feat: derive if a dependency is pure cxx from other properties

Author: atlj

packages/cli-platform-android/native_modules.gradle

@@ -185,9 +185,8 @@ class ReactNativeModules {
     reactNativeModules.forEach { reactNativeModule ->
       def nameCleansed = reactNativeModule["nameCleansed"]
       def dependencyConfiguration = reactNativeModule["dependencyConfiguration"]
-      def cxxOnly = reactNativeModule["cxxOnly"]
-
-      if (cxxOnly) {
+      def isPureCxxDependency = reactNativeModule["isPureCxxDependency"]
+      if (isPureCxxDependency) {
         return
       }
 
@@ -254,12 +253,12 @@ class ReactNativeModules {
                 })
       }
       packageImports = packages
-      .findAll { !it.cxxOnly }
+      .findAll { !it.isPureCxxDependency }
       .collect {
         "// ${it.name}\n${interpolateDynamicValues(it.packageImportPath)}"
       }.join('\n')
       packageClassInstances = ",\n      " + packages
-      .findAll { !it.cxxOnly }
+      .findAll { !it.isPureCxxDependency }
       .collect {
         interpolateDynamicValues(it.packageInstance)
       }.join(",\n      ")
@@ -481,6 +480,7 @@ class ReactNativeModules {
         reactNativeModuleConfig.put("cxxModuleCMakeListsModuleName", androidConfig["cxxModuleCMakeListsModuleName"])
         reactNativeModuleConfig.put("cxxModuleCMakeListsPath", androidConfig["cxxModuleCMakeListsPath"])
         reactNativeModuleConfig.put("cxxModuleHeaderName", androidConfig["cxxModuleHeaderName"])
+        reactNativeModuleConfig.put("isPureCxxDependency", androidConfig["isPureCxxDependency"])
 
         if (androidConfig["buildTypes"] && !androidConfig["buildTypes"].isEmpty()) {
           reactNativeModulesBuildVariants.put(nameCleansed, androidConfig["buildTypes"])

packages/cli-platform-android/src/config/index.ts

@@ -135,29 +135,38 @@ export function dependencyConfig(
     ? path.join(sourceDir, userConfig.manifestPath)
     : findManifest(sourceDir);
   const buildGradlePath = findBuildGradle(sourceDir, true);
-  const cxxOnly = userConfig.cxxOnly || false;
-
-  if (!cxxOnly && !manifestPath && !buildGradlePath) {
+  const isPureCxxDependency =
+    userConfig.cxxModuleCMakeListsModuleName != null &&
+    userConfig.cxxModuleCMakeListsPath != null &&
+    userConfig.cxxModuleHeaderName != null &&
+    !manifestPath &&
+    !buildGradlePath;
+
+  if (!manifestPath && !buildGradlePath && !isPureCxxDependency) {
     return null;
   }
 
-  const packageName =
-    userConfig.packageName || getPackageName(manifestPath, buildGradlePath);
-  const packageClassName = findPackageClassName(sourceDir);
+  let packageImportPath = null,
+    packageInstance = null;
 
-  /**
-   * This module has no package to export
-   */
-  if (!cxxOnly && !packageClassName) {
-    return null;
-  }
+  if (!isPureCxxDependency) {
+    const packageName =
+      userConfig.packageName || getPackageName(manifestPath, buildGradlePath);
+    const packageClassName = findPackageClassName(sourceDir);
+
+    /**
+     * This module has no package to export
+     */
+    if (!packageClassName) {
+      return null;
+    }
 
-  const packageImportPath =
-    userConfig.packageImportPath ||
-    `import ${packageName}.${packageClassName};`;
+    packageImportPath =
+      userConfig.packageImportPath ||
+      `import ${packageName}.${packageClassName};`;
 
-  const packageInstance =
-    userConfig.packageInstance || `new ${packageClassName}()`;
+    packageInstance = userConfig.packageInstance || `new ${packageClassName}()`;
+  }
 
   const buildTypes = userConfig.buildTypes || [];
   const dependencyConfiguration = userConfig.dependencyConfiguration;
@@ -194,6 +203,6 @@ export function dependencyConfig(
     cxxModuleCMakeListsModuleName,
     cxxModuleCMakeListsPath,
     cxxModuleHeaderName,
-    cxxOnly,
+    isPureCxxDependency,
   };
 }

packages/cli-types/src/android.ts

@@ -25,8 +25,8 @@ export type AndroidProjectParams = {
 
 export type AndroidDependencyConfig = {
   sourceDir: string;
-  packageImportPath: string;
-  packageInstance: string;
+  packageImportPath: string | null;
+  packageInstance: string | null;
   dependencyConfiguration?: string;
   buildTypes: string[];
   libraryName?: string | null;
@@ -35,6 +35,7 @@ export type AndroidDependencyConfig = {
   cxxModuleCMakeListsModuleName?: string | null;
   cxxModuleCMakeListsPath?: string | null;
   cxxModuleHeaderName?: string | null;
+  isPureCxxDependency?: boolean;
 };
 
 export type AndroidDependencyParams = {