node-api: add napi_create_object_with_properties · nodejs/node@166c72e

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#include <assert.h>

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#include <node_api.h>

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#include <string>

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struct BenchmarkParams {

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napi_value count_val;

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napi_value bench_obj;

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napi_value start_fn;

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napi_value end_fn;

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uint32_t count;

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};

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static BenchmarkParams ParseBenchmarkArgs(napi_env env,

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const napi_callback_info info) {

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BenchmarkParams params;

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size_t argc = 4;

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napi_value args[4];

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napi_get_cb_info(env, info, &argc, args, nullptr, nullptr);

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params.count_val = args[0];

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params.bench_obj = args[1];

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params.start_fn = args[2];

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params.end_fn = args[3];

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napi_get_value_uint32(env, params.count_val, &params.count);

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return params;

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}

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static napi_value global_names[20];

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static napi_value global_values[20];

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static bool global_properties_initialized = false;

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// Creating with many options because complains are when ~20 properties

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static void InitializeTestProperties(napi_env env) {

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if (global_properties_initialized) return;

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for (int i = 0; i < 20; i++) {

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std::string name = "foo" + std::to_string(i);

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napi_create_string_utf8(

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env, name.c_str(), NAPI_AUTO_LENGTH, &global_names[i]);

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napi_create_string_utf8(

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env, name.c_str(), NAPI_AUTO_LENGTH, &global_values[i]);

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}

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global_properties_initialized = true;

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}

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static napi_value CreateObjectWithPropertiesNew(napi_env env,

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napi_callback_info info) {

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BenchmarkParams params = ParseBenchmarkArgs(env, info);

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InitializeTestProperties(env);

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napi_value null_prototype;

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napi_get_null(env, &null_prototype);

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napi_call_function(

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env, params.bench_obj, params.start_fn, 0, nullptr, nullptr);

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for (uint32_t i = 0; i < params.count; i++) {

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napi_value obj;

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napi_create_object_with_properties(

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env, null_prototype, global_names, global_values, 20, &obj);

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}

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napi_call_function(

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env, params.bench_obj, params.end_fn, 1, &params.count_val, nullptr);

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return nullptr;

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}

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static napi_value CreateObjectWithPropertiesOld(napi_env env,

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napi_callback_info info) {

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BenchmarkParams params = ParseBenchmarkArgs(env, info);

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InitializeTestProperties(env);

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napi_call_function(

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env, params.bench_obj, params.start_fn, 0, nullptr, nullptr);

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for (uint32_t i = 0; i < params.count; i++) {

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napi_value obj;

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napi_create_object(env, &obj);

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for (int j = 0; j < 20; j++) {

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napi_set_property(env, obj, global_names[j], global_values[j]);

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}

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}

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napi_call_function(

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env, params.bench_obj, params.end_fn, 1, &params.count_val, nullptr);

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return nullptr;

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}

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NAPI_MODULE_INIT() {

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napi_property_descriptor desc[] = {

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{"createObjectWithPropertiesNew",

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0,

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CreateObjectWithPropertiesNew,

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0,

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0,

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0,

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napi_default,

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0},

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{"createObjectWithPropertiesOld",

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0,

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CreateObjectWithPropertiesOld,

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0,

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0,

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0,

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napi_default,

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0},

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};

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napi_define_properties(env, exports, sizeof(desc) / sizeof(desc[0]), desc);

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return exports;

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}