swc_nodejs_common/
lib.rs

1#![deny(warnings)]
2
3use std::any::type_name;
4
5use anyhow::Context;
6use napi::Status;
7use serde::de::DeserializeOwned;
8
9pub trait MapErr<T>: Into<Result<T, anyhow::Error>> {
10    fn convert_err(self) -> napi::Result<T> {
11        self.into()
12            .map_err(|err| napi::Error::new(Status::GenericFailure, format!("{err:?}")))
13    }
14}
15
16impl<T> MapErr<T> for Result<T, anyhow::Error> {}
17
18pub fn get_deserialized<T, B>(buffer: B) -> napi::Result<T>
19where
20    T: DeserializeOwned,
21    B: AsRef<[u8]>,
22{
23    let mut deserializer = serde_json::Deserializer::from_slice(buffer.as_ref());
24    deserializer.disable_recursion_limit();
25
26    let v = T::deserialize(&mut deserializer)
27        .with_context(|| {
28            format!(
29                "Failed to deserialize buffer as {}\nJSON: {}",
30                type_name::<T>(),
31                String::from_utf8_lossy(buffer.as_ref())
32            )
33        })
34        .convert_err()?;
35
36    Ok(v)
37}
38
39pub fn deserialize_json<T>(json: &str) -> Result<T, serde_json::Error>
40where
41    T: DeserializeOwned,
42{
43    let mut deserializer = serde_json::Deserializer::from_str(json);
44    deserializer.disable_recursion_limit();
45
46    T::deserialize(&mut deserializer)
47}
swc_nodejs_common/lib.rs

swc_nodejs_common/
lib.rs
