Function _createIfNotExists

src/platforms/wasm/fs_wasm.cpp.hpp:270–280

}

FileDataPtr _createIfNotExists(const fl::string &path, size_t len) {
    auto &reg = FileRegistry::instance();
    fl::unique_lock<fl::mutex> lock(reg.mutex);
    auto it = reg.files.find(path);
    if (it != reg.files.end()) {
        return FileDataPtr();
    }
    auto entry = fl::make_shared<FileData>(len);
    reg.files.insert(fl::make_pair(path, entry));  // okay fl namespace
    return entry;
}

} // namespace fl