n-api: implement date object

Implements `napi_create_date()` as well as `napi_is_date()` to
allow working with JavaScript Date objects.

PR-URL: https://github.com/nodejs/node/pull/25917
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

1 files changed, 42 insertions, 0 deletions

diff --git a/src/js_native_api_v8.cc b/src/js_native_api_v8.cc
index fd3ed2af6a..022ce104eb 100644
--- a/src/js_native_api_v8.cc
+++ b/src/js_native_api_v8.cc
@@ -2887,6 +2887,48 @@ napi_status napi_is_promise(napi_env env,
   return napi_clear_last_error(env);
 }
 
+napi_status napi_create_date(napi_env env,
+                             double time,
+                             napi_value* result) {
+  NAPI_PREAMBLE(env);
+  CHECK_ARG(env, result);
+
+  v8::MaybeLocal<v8::Value> maybe_date = v8::Date::New(env->context(), time);
+  CHECK_MAYBE_EMPTY(env, maybe_date, napi_generic_failure);
+
+  *result = v8impl::JsValueFromV8LocalValue(maybe_date.ToLocalChecked());
+
+  return GET_RETURN_STATUS(env);
+}
+
+napi_status napi_is_date(napi_env env,
+                         napi_value value,
+                         bool* is_date) {
+  CHECK_ENV(env);
+  CHECK_ARG(env, value);
+  CHECK_ARG(env, is_date);
+
+  *is_date = v8impl::V8LocalValueFromJsValue(value)->IsDate();
+
+  return napi_clear_last_error(env);
+}
+
+napi_status napi_get_date_value(napi_env env,
+                                napi_value value,
+                                double* result) {
+  NAPI_PREAMBLE(env);
+  CHECK_ARG(env, value);
+  CHECK_ARG(env, result);
+
+  v8::Local<v8::Value> val = v8impl::V8LocalValueFromJsValue(value);
+  RETURN_STATUS_IF_FALSE(env, val->IsDate(), napi_date_expected);
+
+  v8::Local<v8::Date> date = val.As<v8::Date>();
+  *result = date->ValueOf();
+
+  return GET_RETURN_STATUS(env);
+}
+
 napi_status napi_run_script(napi_env env,
                             napi_value script,
                             napi_value* result) {