napi/bindgen_runtime/js_values/
map.rs

1use std::collections::{BTreeMap, HashMap};
2use std::hash::{BuildHasher, Hash};
3
4#[cfg(feature = "object_indexmap")]
5use indexmap::IndexMap;
6
7use crate::bindgen_prelude::*;
8
9impl<K, V, S> TypeName for HashMap<K, V, S> {
10  fn type_name() -> &'static str {
11    "HashMap"
12  }
13
14  fn value_type() -> ValueType {
15    ValueType::Object
16  }
17}
18
19impl<K: From<String> + Eq + Hash, V: FromNapiValue, S> ValidateNapiValue for HashMap<K, V, S> {}
20
21impl<K, V, S> ToNapiValue for HashMap<K, V, S>
22where
23  K: AsRef<str>,
24  V: ToNapiValue,
25{
26  unsafe fn to_napi_value(raw_env: sys::napi_env, val: Self) -> Result<sys::napi_value> {
27    let env = Env::from(raw_env);
28    #[cfg_attr(feature = "experimental", allow(unused_mut))]
29    let mut obj = Object::new(&env)?;
30    for (k, v) in val.into_iter() {
31      #[cfg(all(
32        feature = "experimental",
33        feature = "node_version_detect",
34        any(all(target_os = "linux", feature = "dyn-symbols"), target_os = "macos")
35      ))]
36      {
37        if NODE_VERSION_MAJOR >= 20 && NODE_VERSION_MINOR >= 18 {
38          fast_set_property(raw_env, obj.0.value, k, v)?;
39        } else {
40          obj.set(k.as_ref(), v)?;
41        }
42      }
43      #[cfg(not(all(
44        feature = "experimental",
45        feature = "node_version_detect",
46        any(all(target_os = "linux", feature = "dyn-symbols"), target_os = "macos")
47      )))]
48      obj.set(k.as_ref(), v)?;
49    }
50
51    unsafe { Object::to_napi_value(raw_env, obj) }
52  }
53}
54
55impl<K, V, S> FromNapiValue for HashMap<K, V, S>
56where
57  K: From<String> + Eq + Hash,
58  V: FromNapiValue,
59  S: Default + BuildHasher,
60{
61  unsafe fn from_napi_value(env: sys::napi_env, napi_val: sys::napi_value) -> Result<Self> {
62    let obj = unsafe { Object::from_napi_value(env, napi_val)? };
63    let keys = Object::keys(&obj)?;
64    let mut map: HashMap<K, V, S> = HashMap::with_capacity_and_hasher(keys.len(), S::default());
65    for key in keys.into_iter() {
66      if let Some(val) = obj.get(&key)? {
67        map.insert(K::from(key), val);
68      }
69    }
70
71    Ok(map)
72  }
73}
74
75impl<K, V> TypeName for BTreeMap<K, V> {
76  fn type_name() -> &'static str {
77    "BTreeMap"
78  }
79
80  fn value_type() -> ValueType {
81    ValueType::Object
82  }
83}
84
85impl<K: From<String> + Ord, V: FromNapiValue> ValidateNapiValue for BTreeMap<K, V> {}
86
87impl<K, V> ToNapiValue for BTreeMap<K, V>
88where
89  K: AsRef<str>,
90  V: ToNapiValue,
91{
92  unsafe fn to_napi_value(raw_env: sys::napi_env, val: Self) -> Result<sys::napi_value> {
93    let env = Env::from(raw_env);
94    #[cfg_attr(feature = "experimental", allow(unused_mut))]
95    let mut obj = Object::new(&env)?;
96    for (k, v) in val.into_iter() {
97      #[cfg(all(
98        feature = "experimental",
99        feature = "node_version_detect",
100        any(all(target_os = "linux", feature = "dyn-symbols"), target_os = "macos")
101      ))]
102      {
103        if crate::bindgen_runtime::NODE_VERSION_MAJOR >= 20 && NODE_VERSION_MINOR >= 18 {
104          fast_set_property(raw_env, obj.0.value, k, v)?;
105        } else {
106          obj.set(k.as_ref(), v)?;
107        }
108      }
109      #[cfg(not(all(
110        feature = "experimental",
111        feature = "node_version_detect",
112        any(all(target_os = "linux", feature = "dyn-symbols"), target_os = "macos")
113      )))]
114      obj.set(k.as_ref(), v)?;
115    }
116
117    unsafe { Object::to_napi_value(raw_env, obj) }
118  }
119}
120
121impl<K, V> FromNapiValue for BTreeMap<K, V>
122where
123  K: From<String> + Ord,
124  V: FromNapiValue,
125{
126  unsafe fn from_napi_value(env: sys::napi_env, napi_val: sys::napi_value) -> Result<Self> {
127    let obj = unsafe { Object::from_napi_value(env, napi_val)? };
128    let mut map = BTreeMap::default();
129    for key in Object::keys(&obj)?.into_iter() {
130      if let Some(val) = obj.get(&key)? {
131        map.insert(K::from(key), val);
132      }
133    }
134
135    Ok(map)
136  }
137}
138
139#[cfg(feature = "object_indexmap")]
140impl<K, V, S> TypeName for IndexMap<K, V, S> {
141  fn type_name() -> &'static str {
142    "IndexMap"
143  }
144
145  fn value_type() -> ValueType {
146    ValueType::Object
147  }
148}
149
150#[cfg(feature = "object_indexmap")]
151impl<K: From<String> + Hash + Eq, V: FromNapiValue> ValidateNapiValue for IndexMap<K, V> {}
152
153#[cfg(feature = "object_indexmap")]
154impl<K, V, S> ToNapiValue for IndexMap<K, V, S>
155where
156  K: AsRef<str>,
157  V: ToNapiValue,
158  S: Default + BuildHasher,
159{
160  unsafe fn to_napi_value(raw_env: sys::napi_env, val: Self) -> Result<sys::napi_value> {
161    let env = Env::from(raw_env);
162    #[cfg_attr(feature = "experimental", allow(unused_mut))]
163    let mut obj = Object::new(&env)?;
164    for (k, v) in val.into_iter() {
165      #[cfg(all(
166        feature = "experimental",
167        feature = "node_version_detect",
168        any(all(target_os = "linux", feature = "dyn-symbols"), target_os = "macos")
169      ))]
170      {
171        if crate::bindgen_runtime::NODE_VERSION_MAJOR >= 20 && NODE_VERSION_MINOR >= 18 {
172          fast_set_property(raw_env, obj.0.value, k, v)?;
173        } else {
174          obj.set(k.as_ref(), v)?;
175        }
176      }
177      #[cfg(not(all(
178        feature = "experimental",
179        feature = "node_version_detect",
180        any(all(target_os = "linux", feature = "dyn-symbols"), target_os = "macos")
181      )))]
182      obj.set(k.as_ref(), v)?;
183    }
184
185    unsafe { Object::to_napi_value(raw_env, obj) }
186  }
187}
188
189#[cfg(feature = "object_indexmap")]
190impl<K, V, S> FromNapiValue for IndexMap<K, V, S>
191where
192  K: From<String> + Hash + Eq,
193  V: FromNapiValue,
194  S: Default + BuildHasher,
195{
196  unsafe fn from_napi_value(env: sys::napi_env, napi_val: sys::napi_value) -> Result<Self> {
197    let obj = unsafe { Object::from_napi_value(env, napi_val)? };
198    let mut map = IndexMap::default();
199    for key in Object::keys(&obj)?.into_iter() {
200      if let Some(val) = obj.get(&key)? {
201        map.insert(K::from(key), val);
202      }
203    }
204
205    Ok(map)
206  }
207}
208
209#[cfg(all(
210  feature = "experimental",
211  feature = "node_version_detect",
212  any(all(target_os = "linux", feature = "dyn-symbols"), target_os = "macos")
213))]
214fn fast_set_property<K: AsRef<str>, V: ToNapiValue>(
215  raw_env: sys::napi_env,
216  obj: sys::napi_value,
217  k: K,
218  v: V,
219) -> Result<()> {
220  let mut property_key = std::ptr::null_mut();
221  check_status!(
222    unsafe {
223      sys::node_api_create_property_key_utf8(
224        raw_env,
225        k.as_ref().as_ptr().cast(),
226        k.as_ref().len() as isize,
227        &mut property_key,
228      )
229    },
230    "Create property key failed"
231  )?;
232  check_status!(
233    unsafe { sys::napi_set_property(raw_env, obj, property_key, V::to_napi_value(raw_env, v)?,) },
234    "Failed to set property"
235  )?;
236  Ok(())
237}
napi/bindgen_runtime/js_values/map.rs

napi/bindgen_runtime/js_values/
map.rs
