napi_value RunCallback(napi_env env, napi_callback_info info) {
size_t argc = 2;
napi_value args[2];
NAPI_CALL(env, napi_get_cb_info(env, info, &argc, args, NULL, NULL));
NAPI_ASSERT(env, argc == 1,
"Wrong number of arguments. Expects a single argument.");
napi_valuetype valuetype0;
NAPI_CALL(env, napi_typeof(env, args[0], &valuetype0));
NAPI_ASSERT(env, valuetype0 == napi_function,
"Wrong type of arguments. Expects a function as first argument.");
napi_valuetype valuetype1;
NAPI_CALL(env, napi_typeof(env, args[1], &valuetype1));
NAPI_ASSERT(env, valuetype1 == napi_undefined,
"Additional arguments should be undefined.");
napi_value argv[1];
const char* str = "hello world";
size_t str_len = strlen(str);
NAPI_CALL(env, napi_create_string_utf8(env, str, str_len, argv));
napi_value global;
NAPI_CALL(env, napi_get_global(env, &global));
napi_value cb = args[0];
NAPI_CALL(env, napi_call_function(env, global, cb, 1, argv, NULL));
return NULL;
}
static void finalizer_only_callback(napi_env env, void* data, void* hint) {
napi_ref js_cb_ref = data;
napi_value js_cb, undefined;
NAPI_CALL_RETURN_VOID(env, napi_get_reference_value(env, js_cb_ref, &js_cb));
NAPI_CALL_RETURN_VOID(env, napi_get_undefined(env, &undefined));
NAPI_CALL_RETURN_VOID(env,
napi_call_function(env, undefined, js_cb, 0, NULL, NULL));
NAPI_CALL_RETURN_VOID(env, napi_delete_reference(env, js_cb_ref));
}
napi_value RunCallbackWithRecv(napi_env env, napi_callback_info info) {
size_t argc = 2;
napi_value args[2];
NAPI_CALL(env, napi_get_cb_info(env, info, &argc, args, NULL, NULL));
napi_value cb = args[0];
napi_value recv = args[1];
NAPI_CALL(env, napi_call_function(env, recv, cb, 0, NULL, NULL));
return NULL;
}
static napi_value NewScopeWithException(napi_env env, napi_callback_info info) {
napi_handle_scope scope;
size_t argc;
napi_value exception_function;
napi_status status;
napi_value output = NULL;
NAPI_CALL(env, napi_open_handle_scope(env, &scope));
NAPI_CALL(env, napi_create_object(env, &output));
argc = 1;
NAPI_CALL(env, napi_get_cb_info(
env, info, &argc, &exception_function, NULL, NULL));
status = napi_call_function(
env, output, exception_function, 0, NULL, NULL);
NAPI_ASSERT(env, status == napi_pending_exception,
"Function should have thrown.");
// Closing a handle scope should still work while an exception is pending.
NAPI_CALL(env, napi_close_handle_scope(env, scope));
return NULL;
}
