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#include <node_api.h>
#include <string.h>
void Test(napi_env env, napi_callback_info info) {
napi_status status;
size_t argc;
status = napi_get_cb_args_length(env, info, &argc);
if (status != napi_ok) return;
if (argc < 2) {
napi_throw_type_error(env, "Wrong number of arguments");
return;
}
napi_value args[2];
status = napi_get_cb_args(env, info, args, 2);
if (status != napi_ok) return;
napi_valuetype valuetype0;
status = napi_typeof(env, args[0], &valuetype0);
if (status != napi_ok) return;
if (valuetype0 != napi_object) {
napi_throw_type_error(
env, "Wrong type of argments. Expects an array as first argument.");
return;
}
napi_valuetype valuetype1;
status = napi_typeof(env, args[1], &valuetype1);
if (status != napi_ok) return;
if (valuetype1 != napi_number) {
napi_throw_type_error(
env, "Wrong type of argments. Expects an integer as second argument.");
return;
}
napi_value array = args[0];
int index;
status = napi_get_value_int32(env, args[1], &index);
if (status != napi_ok) return;
bool isarray;
status = napi_is_array(env, array, &isarray);
if (status != napi_ok) return;
if (isarray) {
uint32_t size;
status = napi_get_array_length(env, array, &size);
if (status != napi_ok) return;
if (index >= (int)(size)) {
napi_value str;
status = napi_create_string_utf8(env, "Index out of bound!", -1, &str);
if (status != napi_ok) return;
status = napi_set_return_value(env, info, str);
if (status != napi_ok) return;
} else if (index < 0) {
napi_throw_type_error(env, "Invalid index. Expects a positive integer.");
} else {
napi_value ret;
status = napi_get_element(env, array, index, &ret);
if (status != napi_ok) return;
status = napi_set_return_value(env, info, ret);
if (status != napi_ok) return;
}
}
}
void New(napi_env env, napi_callback_info info) {
napi_status status;
size_t argc;
status = napi_get_cb_args_length(env, info, &argc);
if (status != napi_ok) return;
if (argc < 1) {
napi_throw_type_error(env, "Wrong number of arguments");
return;
}
napi_value args[1];
status = napi_get_cb_args(env, info, args, 1);
if (status != napi_ok) return;
napi_valuetype valuetype;
status = napi_typeof(env, args[0], &valuetype);
if (status != napi_ok) return;
if (valuetype != napi_object) {
napi_throw_type_error(
env, "Wrong type of argments. Expects an array as first argument.");
return;
}
napi_value ret;
status = napi_create_array(env, &ret);
if (status != napi_ok) return;
uint32_t i, length;
status = napi_get_array_length(env, args[0], &length);
if (status != napi_ok) return;
for (i = 0; i < length; i++) {
napi_value e;
status = napi_get_element(env, args[0], i, &e);
if (status != napi_ok) return;
status = napi_set_element(env, ret, i, e);
if (status != napi_ok) return;
}
status = napi_set_return_value(env, info, ret);
if (status != napi_ok) return;
}
#define DECLARE_NAPI_METHOD(name, func) \
{ name, func, 0, 0, 0, napi_default, 0 }
void Init(napi_env env, napi_value exports, napi_value module, void* priv) {
napi_status status;
napi_property_descriptor descriptors[] = {
DECLARE_NAPI_METHOD("Test", Test),
DECLARE_NAPI_METHOD("New", New),
};
status = napi_define_properties(
env, exports, sizeof(descriptors) / sizeof(*descriptors), descriptors);
if (status != napi_ok) return;
}
NAPI_MODULE(addon, Init)
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