tsify_next/
lib.rs

1#![allow(clippy::wrong_self_convention)]
2
3#[cfg(all(feature = "json", not(feature = "js")))]
4pub use gloo_utils::format::JsValueSerdeExt;
5#[cfg(feature = "js")]
6pub use serde_wasm_bindgen;
7pub use tsify_next_macros::*;
8#[cfg(feature = "wasm-bindgen")]
9use wasm_bindgen::{JsCast, JsValue};
10
11pub struct SerializationConfig {
12    pub missing_as_null: bool,
13    pub hashmap_as_object: bool,
14    pub large_number_types_as_bigints: bool,
15}
16
17/// `Tsify` is a trait that allows you to convert a type to and from JavaScript.
18/// Can be implemented manually if you need to customize the serialization or deserialization.
19pub trait Tsify {
20    #[cfg(feature = "wasm-bindgen")]
21    type JsType: JsCast;
22
23    const DECL: &'static str;
24    const SERIALIZATION_CONFIG: SerializationConfig = SerializationConfig {
25        missing_as_null: false,
26        hashmap_as_object: false,
27        large_number_types_as_bigints: false,
28    };
29
30    #[cfg(all(feature = "json", not(feature = "js")))]
31    #[inline]
32    fn into_js(&self) -> serde_json::Result<Self::JsType>
33    where
34        Self: serde::Serialize,
35    {
36        JsValue::from_serde(self).map(JsCast::unchecked_from_js)
37    }
38
39    #[cfg(all(feature = "json", not(feature = "js")))]
40    #[inline]
41    fn from_js<T: Into<JsValue>>(js: T) -> serde_json::Result<Self>
42    where
43        Self: serde::de::DeserializeOwned,
44    {
45        js.into().into_serde()
46    }
47
48    #[cfg(feature = "js")]
49    #[inline]
50    fn into_js(&self) -> Result<Self::JsType, serde_wasm_bindgen::Error>
51    where
52        Self: serde::Serialize,
53    {
54        let config = <Self as Tsify>::SERIALIZATION_CONFIG;
55        let serializer = serde_wasm_bindgen::Serializer::new()
56            .serialize_missing_as_null(config.missing_as_null)
57            .serialize_maps_as_objects(config.hashmap_as_object)
58            .serialize_large_number_types_as_bigints(config.large_number_types_as_bigints);
59        self.serialize(&serializer).map(JsCast::unchecked_from_js)
60    }
61
62    #[cfg(feature = "js")]
63    #[inline]
64    fn from_js<T: Into<JsValue>>(js: T) -> Result<Self, serde_wasm_bindgen::Error>
65    where
66        Self: serde::de::DeserializeOwned,
67    {
68        serde_wasm_bindgen::from_value(js.into())
69    }
70}
tsify_next/lib.rs

tsify_next/
lib.rs
