project (example)
include_directories(${CMAKE_JS_INC} node_modules/node-addon-api/)
cmake_minimum_required(VERSION 3.18)

set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
include_directories(${CMAKE_JS_INC})
file(GLOB SOURCE_FILES "*.cc")
add_library(${PROJECT_NAME} SHARED ${SOURCE_FILES} ${CMAKE_JS_SRC})
set_target_properties(${PROJECT_NAME} PROPERTIES PREFIX "" SUFFIX ".node")
target_link_libraries(${PROJECT_NAME} ${CMAKE_JS_LIB})

# Include Node-API wrappers
execute_process(COMMAND node -p "require('node-addon-api').include"
        WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
        OUTPUT_VARIABLE NODE_ADDON_API_DIR
        )
string(REGEX REPLACE "[\r\n\"]" "" NODE_ADDON_API_DIR ${NODE_ADDON_API_DIR})

target_include_directories(${PROJECT_NAME} PRIVATE ${NODE_ADDON_API_DIR})

# define NAPI_VERSION
add_definitions(-DNAPI_VERSION=6)