1 #include <js_native_api.h>
2 #include "../common.h"
3
4 static double value_ = 1;
5
GetValue(napi_env env,napi_callback_info info)6 static napi_value GetValue(napi_env env, napi_callback_info info) {
7 size_t argc = 0;
8 NAPI_CALL(env, napi_get_cb_info(env, info, &argc, NULL, NULL, NULL));
9
10 NAPI_ASSERT(env, argc == 0, "Wrong number of arguments");
11
12 napi_value number;
13 NAPI_CALL(env, napi_create_double(env, value_, &number));
14
15 return number;
16 }
17
SetValue(napi_env env,napi_callback_info info)18 static napi_value SetValue(napi_env env, napi_callback_info info) {
19 size_t argc = 1;
20 napi_value args[1];
21 NAPI_CALL(env, napi_get_cb_info(env, info, &argc, args, NULL, NULL));
22
23 NAPI_ASSERT(env, argc == 1, "Wrong number of arguments");
24
25 NAPI_CALL(env, napi_get_value_double(env, args[0], &value_));
26
27 return NULL;
28 }
29
Echo(napi_env env,napi_callback_info info)30 static napi_value Echo(napi_env env, napi_callback_info info) {
31 size_t argc = 1;
32 napi_value args[1];
33 NAPI_CALL(env, napi_get_cb_info(env, info, &argc, args, NULL, NULL));
34
35 NAPI_ASSERT(env, argc == 1, "Wrong number of arguments");
36
37 return args[0];
38 }
39
HasNamedProperty(napi_env env,napi_callback_info info)40 static napi_value HasNamedProperty(napi_env env, napi_callback_info info) {
41 size_t argc = 2;
42 napi_value args[2];
43 NAPI_CALL(env, napi_get_cb_info(env, info, &argc, args, NULL, NULL));
44
45 NAPI_ASSERT(env, argc == 2, "Wrong number of arguments");
46
47 // Extract the name of the property to check
48 char buffer[128];
49 size_t copied;
50 NAPI_CALL(env,
51 napi_get_value_string_utf8(env, args[1], buffer, sizeof(buffer), &copied));
52
53 // do the check and create the boolean return value
54 bool value;
55 napi_value result;
56 NAPI_CALL(env, napi_has_named_property(env, args[0], buffer, &value));
57 NAPI_CALL(env, napi_get_boolean(env, value, &result));
58
59 return result;
60 }
61
62 EXTERN_C_START
Init(napi_env env,napi_value exports)63 napi_value Init(napi_env env, napi_value exports) {
64 napi_value number;
65 NAPI_CALL(env, napi_create_double(env, value_, &number));
66
67 napi_value name_value;
68 NAPI_CALL(env, napi_create_string_utf8(env,
69 "NameKeyValue",
70 NAPI_AUTO_LENGTH,
71 &name_value));
72
73 napi_value symbol_description;
74 napi_value name_symbol;
75 NAPI_CALL(env, napi_create_string_utf8(env,
76 "NameKeySymbol",
77 NAPI_AUTO_LENGTH,
78 &symbol_description));
79 NAPI_CALL(env, napi_create_symbol(env,
80 symbol_description,
81 &name_symbol));
82
83 napi_property_descriptor properties[] = {
84 { "echo", 0, Echo, 0, 0, 0, napi_enumerable, 0 },
85 { "readwriteValue", 0, 0, 0, 0, number, napi_enumerable | napi_writable, 0 },
86 { "readonlyValue", 0, 0, 0, 0, number, napi_enumerable, 0},
87 { "hiddenValue", 0, 0, 0, 0, number, napi_default, 0},
88 { NULL, name_value, 0, 0, 0, number, napi_enumerable, 0},
89 { NULL, name_symbol, 0, 0, 0, number, napi_enumerable, 0},
90 { "readwriteAccessor1", 0, 0, GetValue, SetValue, 0, napi_default, 0},
91 { "readwriteAccessor2", 0, 0, GetValue, SetValue, 0, napi_writable, 0},
92 { "readonlyAccessor1", 0, 0, GetValue, NULL, 0, napi_default, 0},
93 { "readonlyAccessor2", 0, 0, GetValue, NULL, 0, napi_writable, 0},
94 { "hasNamedProperty", 0, HasNamedProperty, 0, 0, 0, napi_default, 0 },
95 };
96
97 NAPI_CALL(env, napi_define_properties(
98 env, exports, sizeof(properties) / sizeof(*properties), properties));
99
100 return exports;
101 }
102 EXTERN_C_END
103