yew_agent/
codec.rs

1//! Submodule providing the `Codec` trait and its default implementation using `bincode`.
2
3use js_sys::Uint8Array;
4use serde::{Deserialize, Serialize};
5use wasm_bindgen::JsValue;
6
7/// Message Encoding and Decoding Format
8pub trait Codec {
9    /// Encode an input to JsValue
10    fn encode<I>(input: I) -> JsValue
11    where
12        I: Serialize;
13
14    /// Decode a message to a type
15    fn decode<O>(input: JsValue) -> O
16    where
17        O: for<'de> Deserialize<'de>;
18}
19
20/// Default message encoding with [bincode].
21#[derive(Debug)]
22pub struct Bincode;
23
24impl Codec for Bincode {
25    fn encode<I>(input: I) -> JsValue
26    where
27        I: Serialize,
28    {
29        let buf = bincode::serde::encode_to_vec(&input, bincode::config::standard())
30            .expect("can't serialize an worker message");
31        Uint8Array::from(buf.as_slice()).into()
32    }
33
34    fn decode<O>(input: JsValue) -> O
35    where
36        O: for<'de> Deserialize<'de>,
37    {
38        let data = Uint8Array::from(input).to_vec();
39        let (result, _) = bincode::serde::decode_from_slice(&data, bincode::config::standard())
40            .expect("can't deserialize an worker message");
41        result
42    }
43}
yew_agent/codec.rs

yew_agent/
codec.rs
