1 #define NAPI_VERSION 9
2 #include <js_native_api.h>
3 #include "../common.h"
4 #include "../entry_point.h"
5
6 static double value_ = 1;
7
GetValue(napi_env env,napi_callback_info info)8 static napi_value GetValue(napi_env env, napi_callback_info info) {
9 size_t argc = 0;
10 NODE_API_CALL(env, napi_get_cb_info(env, info, &argc, NULL, NULL, NULL));
11
12 NODE_API_ASSERT(env, argc == 0, "Wrong number of arguments");
13
14 napi_value number;
15 NODE_API_CALL(env, napi_create_double(env, value_, &number));
16
17 return number;
18 }
19
SetValue(napi_env env,napi_callback_info info)20 static napi_value SetValue(napi_env env, napi_callback_info info) {
21 size_t argc = 1;
22 napi_value args[1];
23 NODE_API_CALL(env, napi_get_cb_info(env, info, &argc, args, NULL, NULL));
24
25 NODE_API_ASSERT(env, argc == 1, "Wrong number of arguments");
26
27 NODE_API_CALL(env, napi_get_value_double(env, args[0], &value_));
28
29 return NULL;
30 }
31
Echo(napi_env env,napi_callback_info info)32 static napi_value Echo(napi_env env, napi_callback_info info) {
33 size_t argc = 1;
34 napi_value args[1];
35 NODE_API_CALL(env, napi_get_cb_info(env, info, &argc, args, NULL, NULL));
36
37 NODE_API_ASSERT(env, argc == 1, "Wrong number of arguments");
38
39 return args[0];
40 }
41
HasNamedProperty(napi_env env,napi_callback_info info)42 static napi_value HasNamedProperty(napi_env env, napi_callback_info info) {
43 size_t argc = 2;
44 napi_value args[2];
45 NODE_API_CALL(env, napi_get_cb_info(env, info, &argc, args, NULL, NULL));
46
47 NODE_API_ASSERT(env, argc == 2, "Wrong number of arguments");
48
49 // Extract the name of the property to check
50 char buffer[128];
51 size_t copied;
52 NODE_API_CALL(env,
53 napi_get_value_string_utf8(env, args[1], buffer, sizeof(buffer), &copied));
54
55 // do the check and create the boolean return value
56 bool value;
57 napi_value result;
58 NODE_API_CALL(env, napi_has_named_property(env, args[0], buffer, &value));
59 NODE_API_CALL(env, napi_get_boolean(env, value, &result));
60
61 return result;
62 }
63
64 EXTERN_C_START
Init(napi_env env,napi_value exports)65 napi_value Init(napi_env env, napi_value exports) {
66 napi_value number;
67 NODE_API_CALL(env, napi_create_double(env, value_, &number));
68
69 napi_value name_value;
70 NODE_API_CALL(env,
71 napi_create_string_utf8(
72 env, "NameKeyValue", NAPI_AUTO_LENGTH, &name_value));
73
74 napi_value symbol_description;
75 napi_value name_symbol;
76 NODE_API_CALL(env,
77 napi_create_string_utf8(
78 env, "NameKeySymbol", NAPI_AUTO_LENGTH, &symbol_description));
79 NODE_API_CALL(env,
80 napi_create_symbol(env, symbol_description, &name_symbol));
81
82 napi_value name_symbol_descriptionless;
83 NODE_API_CALL(env,
84 napi_create_symbol(env, NULL, &name_symbol_descriptionless));
85
86 napi_value name_symbol_for;
87 NODE_API_CALL(env, node_api_symbol_for(env,
88 "NameKeySymbolFor",
89 NAPI_AUTO_LENGTH,
90 &name_symbol_for));
91
92 napi_property_descriptor properties[] = {
93 { "echo", 0, Echo, 0, 0, 0, napi_enumerable, 0 },
94 { "readwriteValue", 0, 0, 0, 0, number, napi_enumerable | napi_writable, 0 },
95 { "readonlyValue", 0, 0, 0, 0, number, napi_enumerable, 0},
96 { "hiddenValue", 0, 0, 0, 0, number, napi_default, 0},
97 { NULL, name_value, 0, 0, 0, number, napi_enumerable, 0},
98 { NULL, name_symbol, 0, 0, 0, number, napi_enumerable, 0},
99 { NULL, name_symbol_descriptionless, 0, 0, 0, number, napi_enumerable, 0},
100 { NULL, name_symbol_for, 0, 0, 0, number, napi_enumerable, 0},
101 { "readwriteAccessor1", 0, 0, GetValue, SetValue, 0, napi_default, 0},
102 { "readwriteAccessor2", 0, 0, GetValue, SetValue, 0, napi_writable, 0},
103 { "readonlyAccessor1", 0, 0, GetValue, NULL, 0, napi_default, 0},
104 { "readonlyAccessor2", 0, 0, GetValue, NULL, 0, napi_writable, 0},
105 { "hasNamedProperty", 0, HasNamedProperty, 0, 0, 0, napi_default, 0 },
106 };
107
108 NODE_API_CALL(env, napi_define_properties(
109 env, exports, sizeof(properties) / sizeof(*properties), properties));
110
111 return exports;
112 }
113 EXTERN_C_END
114