chore(binding): minor cleanup (#1989)

crates/node_binding/Cargo.toml

@@ -46,9 +46,12 @@ tokio = { version = "1.21.0", features = [
 ] }
 tracing = "0.1.34"
 
-[target.'cfg(all(not(all(target_os = "linux", target_arch = "aarch64", target_env = "musl"))))'.dependencies]
+[target.'cfg(not(target_os = "linux"))'.dependencies]
 mimalloc-rust = { version = "0.2" }
 
+[target.'cfg(all(target_os = "linux", not(all(target_env = "musl", target_arch = "aarch64"))))'.dependencies]
+mimalloc-rust = { version = "0.2", features = ["local-dynamic-tls"] }
+
 [build-dependencies]
 napi-build = { version = "=2.0.1" }
 

crates/node_binding/binding.js

@@ -11,7 +11,8 @@ function isMusl() {
   // For Node 10
   if (!process.report || typeof process.report.getReport !== 'function') {
     try {
-      return readFileSync('/usr/bin/ldd', 'utf8').includes('musl')
+      const lddPath = require('child_process').execSync('which ldd').toString().trim();
+      return readFileSync(lddPath, 'utf8').includes('musl')
     } catch (e) {
       return true
     }

crates/node_binding/src/js_values/stats.rs

@@ -1,5 +1,3 @@
-use std::collections::HashMap;
-
 use napi::bindgen_prelude::SharedReference;
 use rspack_core::Stats;