Function EMSCRIPTEN_BINDINGS

examples/wasm/emscripten.cpp:13–115

std::vector<struct bark_context *> g_contexts(4, nullptr);

EMSCRIPTEN_BINDINGS(bark) {
    emscripten::function("init", emscripten::optional_override([](const std::string &path_model) {
                             if (g_worker.joinable()) {
                                 g_worker.join();
                             }

                             for (size_t i = 0; i < g_contexts.size(); i++) {
                                 if (g_contexts[i] == nullptr) {
                                     bark_verbosity_level verbosity = bark_verbosity_level::LOW;
                                     bark_context_params ctx_params = bark_context_default_params();
                                     ctx_params.verbosity = verbosity;
                                     g_contexts[i] = bark_load_model(path_model.c_str(), ctx_params, 0 /* seed */);
                                     if (g_contexts[i] != nullptr) {
                                         return i + 1;
                                     } else {
                                         return (size_t)0;
                                     }
                                 }
                             }

                             return (size_t)0;
                         }));

    emscripten::function("free", emscripten::optional_override([](size_t index) {
                             if (g_worker.joinable()) {
                                 g_worker.join();
                             }

                             --index;

                             if (index < g_contexts.size()) {
                                 bark_free(g_contexts[index]);
                                 g_contexts[index] = nullptr;
                             }
                         }));

    emscripten::function("generate", emscripten::optional_override([](size_t index, const std::string &prompt, int n_threads) {
                             if (g_worker.joinable()) {
                                 g_worker.join();
                             }

                             --index;

                             if (index >= g_contexts.size()) {
                                 return -1;
                             }

                             if (g_contexts[index] == nullptr) {
                                 return -2;
                             }

                             // print system information
                             {
                                 printf("system_info: n_threads = %d / %d \n",
                                        n_threads, std::thread::hardware_concurrency());

                                 printf("\n");
                             }