nitro-codegen/lib/autolinking/android/createCMakeExtension.js

The code-generator for react-native-nitro-modules.

import { NitroConfig } from '../../config/NitroConfig.js';
import { indent, toLowerCamelCase, toUnixPath } from '../../utils.js';
import { createFileMetadataString, getRelativeDirectory, getRelativeDirectoryGenerated, isCppFile, isNotDuplicate, } from '../../syntax/helpers.js';
export function getBuildingWithGeneratedCmakeDefinition() {
    const moduleName = NitroConfig.getAndroidCxxLibName();
    const upper = toLowerCamelCase(moduleName).toUpperCase();
    return `BUILDING_${upper}_WITH_GENERATED_CMAKE_PROJECT`;
}
export function createCMakeExtension(files) {
    const name = NitroConfig.getAndroidCxxLibName();
    const sharedFiles = files
        .filter((f) => f.platform === 'shared' && isCppFile(f))
        .map((f) => getRelativeDirectory(f))
        .map((p) => toUnixPath(p))
        .filter(isNotDuplicate);
    const androidFiles = files
        .filter((f) => f.platform === 'android' && isCppFile(f))
        .map((f) => getRelativeDirectory(f))
        .map((p) => toUnixPath(p))
        .filter(isNotDuplicate);
    const autolinkingFilePath = getRelativeDirectoryGenerated('android', `${name}OnLoad.cpp`);
    const autolinkingFile = toUnixPath(autolinkingFilePath);
    const buildingWithDefinition = getBuildingWithGeneratedCmakeDefinition();
    const code = `
${createFileMetadataString(`${name}+autolinking.cmake`, '#')}

# This is a CMake file that adds all files generated by Nitrogen
# to the current CMake project.
#
# To use it, add this to your CMakeLists.txt:
# \`\`\`cmake
# include(\${CMAKE_SOURCE_DIR}/../nitrogen/generated/android/${name}+autolinking.cmake)
# \`\`\`

# Add all headers that were generated by Nitrogen
include_directories(
  "../nitrogen/generated/shared/c++"
  "../nitrogen/generated/android/c++"
  "../nitrogen/generated/android/"
)

# Add all .cpp sources that were generated by Nitrogen
target_sources(
  # CMake project name (Android C++ library name)
  ${name} PRIVATE
  # Autolinking Setup
  ${autolinkingFile}
  # Shared Nitrogen C++ sources
  ${indent(sharedFiles.join('\n'), '  ')}
  # Android-specific Nitrogen C++ sources
  ${indent(androidFiles.join('\n'), '  ')}
)

# Define a flag to check if we are building properly
add_definitions(-D${buildingWithDefinition})

# From node_modules/react-native/ReactAndroid/cmake-utils/folly-flags.cmake
# Used in node_modules/react-native/ReactAndroid/cmake-utils/ReactNative-application.cmake
 target_compile_definitions(
  ${name} PRIVATE
  -DFOLLY_NO_CONFIG=1
  -DFOLLY_HAVE_CLOCK_GETTIME=1
  -DFOLLY_USE_LIBCPP=1
  -DFOLLY_CFG_NO_COROUTINES=1
  -DFOLLY_MOBILE=1
  -DFOLLY_HAVE_RECVMMSG=1
  -DFOLLY_HAVE_PTHREAD=1
  # Once we target android-23 above, we can comment
  # the following line. NDK uses GNU style stderror_r() after API 23.
  -DFOLLY_HAVE_XSI_STRERROR_R=1
)

# Add all libraries required by the generated specs
find_package(fbjni REQUIRED) # <-- Used for communication between Java <-> C++
find_package(ReactAndroid REQUIRED) # <-- Used to set up React Native bindings (e.g. CallInvoker/TurboModule)
find_package(react-native-nitro-modules REQUIRED) # <-- Used to create all HybridObjects and use the Nitro core library

# Link all libraries together
target_link_libraries(
        ${name}
        fbjni::fbjni                              # <-- Facebook C++ JNI helpers
        ReactAndroid::jsi                         # <-- RN: JSI
        react-native-nitro-modules::NitroModules  # <-- NitroModules Core :)
)

# Link react-native (different prefab between RN 0.75 and RN 0.76)
if(ReactAndroid_VERSION_MINOR GREATER_EQUAL 76)
    target_link_libraries(
        ${name}
        ReactAndroid::reactnative                 # <-- RN: Native Modules umbrella prefab
    )
else()
    target_link_libraries(
        ${name}
        ReactAndroid::react_nativemodule_core     # <-- RN: TurboModules Core
    )
endif()
  `.trim();
    return {
        content: code,
        language: 'cmake',
        name: `${name}+autolinking.cmake`,
        platform: 'android',
        subdirectory: [],
    };
}