fix(jsonwebtoken): handle error in decodeHeader (#801)

Author: Brooooooklyn

packages/jsonwebtoken/src/decode.rs

@@ -1,10 +1,11 @@
+use napi::{Error, Result, Status};
 use napi_derive::napi;
 
 use crate::header::Header;
 
 #[napi]
-pub fn decode_header(token: String) -> Header {
-  let result = jsonwebtoken::decode_header(&token);
-
-  result.unwrap().into()
+pub fn decode_header(token: String) -> Result<Header> {
+  jsonwebtoken::decode_header(&token)
+    .map(Into::into)
+    .map_err(|err| Error::new(Status::InvalidArg, format!("{err}")))
 }