n-api: rename 'promise' parameter to 'value'

This change makes it clear that the value doesn't need to be a
Promise, and makes the signature consistent with other napi_is_*
functions.

PR-URL: nodejs#31544
Reviewed-By: Chengzhong Wu <legendecas@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: David Carlier <devnexen@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>

doc/api/n-api.md

@@ -4994,12 +4994,12 @@ napiVersion: 1
 
 ```C
 napi_status napi_is_promise(napi_env env,
-                            napi_value promise,
+                            napi_value value,
                             bool* is_promise);
 ```
 
 * `[in] env`: The environment that the API is invoked under.
-* `[in] promise`: The promise to examine
+* `[in] value`: The value to examine
 * `[out] is_promise`: Flag indicating whether `promise` is a native promise
   object (that is, a promise object created by the underlying engine).
 

src/js_native_api.h

@@ -440,7 +440,7 @@ NAPI_EXTERN napi_status napi_reject_deferred(napi_env env,
                                              napi_deferred deferred,
                                              napi_value rejection);
 NAPI_EXTERN napi_status napi_is_promise(napi_env env,
-                                        napi_value promise,
+                                        napi_value value,
                                         bool* is_promise);
 
 // Running a script

src/js_native_api_v8.cc

@@ -2999,13 +2999,13 @@ napi_status napi_reject_deferred(napi_env env,
 }
 
 napi_status napi_is_promise(napi_env env,
-                            napi_value promise,
+                            napi_value value,
                             bool* is_promise) {
   CHECK_ENV(env);
-  CHECK_ARG(env, promise);
+  CHECK_ARG(env, value);
   CHECK_ARG(env, is_promise);
 
-  *is_promise = v8impl::V8LocalValueFromJsValue(promise)->IsPromise();
+  *is_promise = v8impl::V8LocalValueFromJsValue(value)->IsPromise();
 
   return napi_clear_last_error(env);
 }