Add N-API subproject to run node-semver test eventually

napi/.gitignore

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+build/
+node_modules/
+tmp/
+src/

napi/CMakeLists.txt

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+cmake_minimum_required(VERSION 3.10)
+cmake_policy(SET CMP0042 NEW)
+set (CMAKE_CXX_STANDARD 23)
+set(CMAKE_EXPORT_COMPILE_COMMANDS 1)
+
+include(ExternalProject)
+
+project (node-version-weaver)
+
+include_directories(${CMAKE_SOURCE_DIR}/node_modules/node-addon-api)
+include_directories(${CMAKE_JS_INC})
+
+file(GLOB SOURCE_FILES "node-semver.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})
+
+# Define NAPI_VERSION
+add_definitions(-DNAPI_VERSION=9)
+
+ExternalProject_Add(version_weaver
+  SOURCE_DIR ${CMAKE_SOURCE_DIR}/../
+  PREFIX ${CMAKE_CURRENT_BINARY_DIR}/version_weaver
+  CMAKE_ARGS -DCMAKE_INSTALL_PREFIX:PATH=<INSTALL_DIR>
+)
+add_dependencies(${PROJECT_NAME} version_weaver)
+include_directories(${CMAKE_CURRENT_BINARY_DIR}/version_weaver/include)
+target_link_libraries(${PROJECT_NAME} ${CMAKE_CURRENT_BINARY_DIR}/version_weaver/lib/libversion_weaver.a)
+
+function (add_custom_command_with_target _targetName _output firstDep)
+    add_custom_command(
+        OUTPUT ${_output}
+        COMMAND sed "s/__FUNCTION__/${FUNCTION}/" ${firstDep} > ${_output}
+        DEPENDS ${firstDep} ${ARGN}
+    )
+    add_custom_target(${_targetName} ALL DEPENDS ${_output})
+endfunction()
+
+set(FUNCTIONS coerce parse valid)
+add_custom_command(
+    OUTPUT ${CMAKE_BINARY_DIR}/functions
+    COMMAND mkdir ${CMAKE_BINARY_DIR}/functions
+    VERBATIM
+)
+foreach(FUNCTION ${FUNCTIONS})
+  add_custom_command_with_target(${FUNCTION} ${CMAKE_BINARY_DIR}/functions/${FUNCTION}.js ${CMAKE_SOURCE_DIR}/templates/functions.template ${CMAKE_BINARY_DIR}/functions)
+endforeach()
+

napi/node-semver.cc

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+#include <napi.h>
+#include "version_weaver.h"
+
+Napi::Value CoerceWrapped(const Napi::CallbackInfo& info) {
+  Napi::Env env = info.Env();
+
+  if (info.Length() < 1 || !info[0].IsString()) {
+    Napi::TypeError::New(env, "String expected").ThrowAsJavaScriptException();
+    return env.Null();
+  }
+
+  std::string arg0 = info[0].As<Napi::String>().Utf8Value();
+  std::optional<std::string> result = version_weaver::coerce(arg0);
+
+  return Napi::String::New(env, result.has_value() ? result.value() : "");
+}
+
+Napi::Object Init(Napi::Env env, Napi::Object exports) {
+  exports.Set(Napi::String::New(env, "coerce"), Napi::Function::New(env, CoerceWrapped));
+  return exports;
+}
+
+NODE_API_MODULE(myaddon, Init)

napi/package.json

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+{
+  "name": "node-version-weaver",
+  "description": "N-API port of node-semver",
+  "dependencies": {
+    "bindings": "~1.5.0",
+    "node-addon-api": "^8.3.0"
+  },
+  "scripts": {
+    "build": "cmake-js --prefer-make compile",
+    "test": "TODO"
+  },
+  "devDependencies": {
+    "cmake-js": "^7.3.0"
+  }
+}

napi/templates/functions.template

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+'use strict';
+module.exports = require("bindings")("node-version-weaver").__FUNCTION__;