fix: perf degradation in devtool plugin (#8147)

fix: perf degradation

crates/rspack_plugin_devtool/src/source_map_dev_tool_plugin.rs

@@ -173,15 +173,24 @@ impl SourceMapDevToolPlugin {
  let output_options = &compilation.options.output;
  let map_options = MapOptions::new(self.columns);
 
- let futures = raw_assets
+ let matches = if let Some(test) = &self.test {
+ let features = raw_assets.iter().map(|(file, _)| test(file.to_owned()));
+ join_all(features)
+ .await
+ .into_iter()
+ .collect::<Result<Vec<_>>>()?
+ } else {
+ vec![]
+ };
+
+ let mut mapped_sources = raw_assets
  .into_par_iter()
- .map(|(file, asset)| async {
- let is_match = match &self.test {
- Some(test) => match test(file.to_owned()).await {
- Ok(val) => val,
- Err(e) => return Some(Err(e)),
- },
- None => true,
+ .enumerate()
+ .filter_map(|(index, (file, asset))| {
+ let is_match = if matches.is_empty() {
+ true
+ } else {
+ matches[index]
  };
  let source = if is_match {
  asset.get_source().map(|source| {
@@ -191,16 +200,10 @@ impl SourceMapDevToolPlugin {
  } else {
  None
  };
- source.map(Ok)
+ source
  })
  .collect::<Vec<_>>();
 
- let mut mapped_sources = join_all(futures)
- .await
- .into_iter()
- .flatten()
- .collect::<Result<Vec<_>>>()?;
-
  let source_map_modules = mapped_sources
  .par_iter()
  .filter_map(|(_file, _asset, source_map)| source_map.as_ref())