chore(macros): only select required features from syn to reduce com…

…pile time (#2955)

Cargo.toml

@@ -121,7 +121,7 @@ ropey               = "1.6.1"
 seq-macro           = "0.3.5"
 serde               = "1.0.197"
 serde_json          = "1.0.115"
-syn                 = "2.0.57"
+syn                 = { version = "2.0.58", default-features = false }
 tempfile            = "3.10.1"
 thiserror           = "1.0.58"
 tokio               = "1"

crates/oxc_macros/Cargo.toml

@@ -20,7 +20,7 @@ proc-macro = true
 doctest    = false
 
 [dependencies]
-syn          = { workspace = true }
+syn          = { workspace = true, features = ["derive", "parsing", "proc-macro", "printing"]}
 quote        = { workspace = true }
 proc-macro2  = { workspace = true }
 itertools    = { workspace = true }

crates/oxc_macros/src/declare_oxc_lint.rs

@@ -76,13 +76,16 @@ pub fn declare_oxc_lint(metadata: LintRuleMeta) -> TokenStream {
     TokenStream::from(output)
 }
 
-fn parse_attr<const LEN: usize>(path: [&'static str; LEN], attr: &Attribute) -> Option<LitStr> {
+fn parse_attr<'a, const LEN: usize>(
+    path: [&'static str; LEN],
+    attr: &'a Attribute,
+) -> Option<&'a LitStr> {
     if let Meta::NameValue(name_value) = &attr.meta {
         let path_idents = name_value.path.segments.iter().map(|segment| &segment.ident);
         if itertools::equal(path_idents, path) {
             if let Expr::Lit(expr_lit) = &name_value.value {
                 if let Lit::Str(s) = &expr_lit.lit {
-                    return Some(s.clone());
+                    return Some(s);
                 }
             }
         }