• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 #include <node_api.h>
2 #include <assert.h>
3 #include "../../js-native-api/common.h"
4 
5 #define MAX_ARGUMENTS 10
6 #define RESERVED_ARGS 3
7 
MakeCallback(napi_env env,napi_callback_info info)8 static napi_value MakeCallback(napi_env env, napi_callback_info info) {
9   size_t argc = MAX_ARGUMENTS;
10   size_t n;
11   napi_value args[MAX_ARGUMENTS];
12   // NOLINTNEXTLINE (readability/null_usage)
13   NODE_API_CALL(env, napi_get_cb_info(env, info, &argc, args, NULL, NULL));
14 
15   NODE_API_ASSERT(env, argc > 0, "Wrong number of arguments");
16 
17   napi_value resource = args[0];
18   napi_value recv = args[1];
19   napi_value func = args[2];
20 
21   napi_value argv[MAX_ARGUMENTS - RESERVED_ARGS];
22   for (n = RESERVED_ARGS; n < argc; n += 1) {
23     argv[n - RESERVED_ARGS] = args[n];
24   }
25 
26   napi_valuetype func_type;
27 
28   NODE_API_CALL(env, napi_typeof(env, func, &func_type));
29 
30   napi_value resource_name;
31   NODE_API_CALL(env, napi_create_string_utf8(
32       env, "test", NAPI_AUTO_LENGTH, &resource_name));
33 
34   napi_async_context context;
35   NODE_API_CALL(env, napi_async_init(env, resource, resource_name, &context));
36 
37   napi_value result;
38   if (func_type == napi_function) {
39     NODE_API_CALL(env, napi_make_callback(
40         env, context, recv, func, argc - RESERVED_ARGS, argv, &result));
41   } else {
42     NODE_API_ASSERT(env, false, "Unexpected argument type");
43   }
44 
45   NODE_API_CALL(env, napi_async_destroy(env, context));
46 
47   return result;
48 }
49 
50 static
Init(napi_env env,napi_value exports)51 napi_value Init(napi_env env, napi_value exports) {
52   napi_value fn;
53   NODE_API_CALL(env, napi_create_function(
54       // NOLINTNEXTLINE (readability/null_usage)
55       env, NULL, NAPI_AUTO_LENGTH, MakeCallback, NULL, &fn));
56   NODE_API_CALL(env, napi_set_named_property(env, exports, "makeCallback", fn));
57   return exports;
58 }
59 
60 NAPI_MODULE(NODE_GYP_MODULE_NAME, Init)
61