px_wsdom_core/
serialize.rs

1use serde::Serialize;
2
3use crate::js::value::JsValue;
4use crate::protocol::GET;
5
6/// For values that can be serialized to JS code:
7/// - Rust values that implement `serde::Serialize`
8/// - WRMI stubs ([JsValue]s)
9///
10/// This trait is used by [ToJs].
11pub trait UseInJsCode {
12    fn serialize_to(&self, buf: &mut core::fmt::Formatter<'_>) -> core::fmt::Result;
13}
14
15impl UseInJsCode for JsValue {
16    fn serialize_to(&self, buf: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
17        let self_id = self.id;
18        write!(buf, "{GET}({self_id})").unwrap();
19        Ok(())
20    }
21}
22
23pub struct SerdeToJs<'a, T: ?Sized>(pub &'a T);
24
25impl<'a, T: Serialize + ?Sized> UseInJsCode for SerdeToJs<'a, T> {
26    fn serialize_to(&self, buf: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
27        buf.write_str(&serde_json::to_string(&self.0).map_err(|_|core::fmt::Error)?)
28    }
29}
30
31pub(crate) struct UseInJsCodeWriter<'a, T: UseInJsCode + ?Sized>(pub &'a T);
32
33impl<'a, T: UseInJsCode + ?Sized> core::fmt::Display for UseInJsCodeWriter<'a, T> {
34    fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
35        self.0.serialize_to(f)
36    }
37}
38
39pub struct RawCodeImmediate<'a>(pub &'a str);
40impl<'a> UseInJsCode for RawCodeImmediate<'a> {
41    fn serialize_to(&self, buf: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
42        buf.write_str(self.0)
43    }
44}
45
46/// Values that can be serialized to JS code satisfying certain types.
47///
48/// For example, `ToJs<JsNumber>` means serializable to the same type that
49/// `JsNumber` serializes to.
50pub trait ToJs<JsType>
51where
52    Self: UseInJsCode,
53    JsType: ?Sized,
54{
55}
56
57impl<T> ToJs<T> for T where T: UseInJsCode {}
px_wsdom_core/serialize.rs

px_wsdom_core/
serialize.rs
