napi_h/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::{Env, Result, ToNapiValue, *};
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> ValidateNapiValue for HashMap<K, V> {}
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    let mut obj = env.create_object()?;
29    for (k, v) in val.into_iter() {
30      obj.set(k.as_ref(), v)?;
31    }
32
33    unsafe { Object::to_napi_value(raw_env, obj) }
34  }
35}
36
37impl<K, V, S> FromNapiValue for HashMap<K, V, S>
38where
39  K: From<String> + Eq + Hash,
40  V: FromNapiValue,
41  S: Default + BuildHasher,
42{
43  unsafe fn from_napi_value(env: sys::napi_env, napi_val: sys::napi_value) -> Result<Self> {
44    let obj = unsafe { Object::from_napi_value(env, napi_val)? };
45    let mut map = HashMap::default();
46    for key in Object::keys(&obj)?.into_iter() {
47      if let Some(val) = obj.get(&key)? {
48        map.insert(K::from(key), val);
49      }
50    }
51
52    Ok(map)
53  }
54}
55
56impl<K, V> TypeName for BTreeMap<K, V> {
57  fn type_name() -> &'static str {
58    "BTreeMap"
59  }
60
61  fn value_type() -> ValueType {
62    ValueType::Object
63  }
64}
65
66impl<K: From<String> + Ord, V: FromNapiValue> ValidateNapiValue for BTreeMap<K, V> {}
67
68impl<K, V> ToNapiValue for BTreeMap<K, V>
69where
70  K: AsRef<str>,
71  V: ToNapiValue,
72{
73  unsafe fn to_napi_value(raw_env: sys::napi_env, val: Self) -> Result<sys::napi_value> {
74    let env = Env::from(raw_env);
75    let mut obj = env.create_object()?;
76    for (k, v) in val.into_iter() {
77      obj.set(k.as_ref(), v)?;
78    }
79
80    unsafe { Object::to_napi_value(raw_env, obj) }
81  }
82}
83
84impl<K, V> FromNapiValue for BTreeMap<K, V>
85where
86  K: From<String> + Ord,
87  V: FromNapiValue,
88{
89  unsafe fn from_napi_value(env: sys::napi_env, napi_val: sys::napi_value) -> Result<Self> {
90    let obj = unsafe { Object::from_napi_value(env, napi_val)? };
91    let mut map = BTreeMap::default();
92    for key in Object::keys(&obj)?.into_iter() {
93      if let Some(val) = obj.get(&key)? {
94        map.insert(K::from(key), val);
95      }
96    }
97
98    Ok(map)
99  }
100}
101
102#[cfg(feature = "object_indexmap")]
103impl<K, V, S> TypeName for IndexMap<K, V, S> {
104  fn type_name() -> &'static str {
105    "IndexMap"
106  }
107
108  fn value_type() -> ValueType {
109    ValueType::Object
110  }
111}
112
113#[cfg(feature = "object_indexmap")]
114impl<K: From<String> + Hash + Eq, V: FromNapiValue> ValidateNapiValue for IndexMap<K, V> {}
115
116#[cfg(feature = "object_indexmap")]
117impl<K, V, S> ToNapiValue for IndexMap<K, V, S>
118where
119  K: AsRef<str>,
120  V: ToNapiValue,
121  S: Default + BuildHasher,
122{
123  unsafe fn to_napi_value(raw_env: sys::napi_env, val: Self) -> Result<sys::napi_value> {
124    let env = Env::from(raw_env);
125    let mut obj = env.create_object()?;
126    for (k, v) in val.into_iter() {
127      obj.set(k.as_ref(), v)?;
128    }
129
130    unsafe { Object::to_napi_value(raw_env, obj) }
131  }
132}
133
134#[cfg(feature = "object_indexmap")]
135impl<K, V, S> FromNapiValue for IndexMap<K, V, S>
136where
137  K: From<String> + Hash + Eq,
138  V: FromNapiValue,
139  S: Default + BuildHasher,
140{
141  unsafe fn from_napi_value(env: sys::napi_env, napi_val: sys::napi_value) -> Result<Self> {
142    let obj = unsafe { Object::from_napi_value(env, napi_val)? };
143    let mut map = IndexMap::default();
144    for key in Object::keys(&obj)?.into_iter() {
145      if let Some(val) = obj.get(&key)? {
146        map.insert(K::from(key), val);
147      }
148    }
149
150    Ok(map)
151  }
152}
napi_h/bindgen_runtime/js_values/map.rs

napi_h/bindgen_runtime/js_values/
map.rs
