solve conflicts

Cargo.toml

@@ -22,6 +22,7 @@ async-trait        = { version = "0.1.79" }
 bitflags           = { version = "2.5.0" }
 camino             = { version = "1.1.8" }
 concat-string      = { version = "1.0.1" }
+cow-utils          = { version = "0.1.3" }
 css-module-lexer   = { version = "0.0.14" }
 dashmap            = { version = "5.5.3" }
 derivative         = { version = "2.2.0" }

crates/rspack_core/Cargo.toml

@@ -10,6 +10,7 @@ anymap = { workspace = true }
 async-recursion = { workspace = true }
 async-trait = { workspace = true }
 bitflags = { workspace = true }
+cow-utils = { workspace = true }
 dashmap = { workspace = true, features = ["rayon"] }
 derivative = { workspace = true }
 dyn-clone = "1.0.17"

crates/rspack_core/src/utils/runtime.rs

@@ -1,3 +1,6 @@
+use std::borrow::Cow;
+
+use cow_utils::CowUtils;
 use indexmap::IndexMap;
 use rustc_hash::FxHashMap as HashMap;
 use rustc_hash::FxHashSet as HashSet;
@@ -130,7 +133,7 @@ pub fn get_filename_without_hash_length<F: Clone>(
   let Some(template) = filename.template() else {
     return (filename.clone(), hash_len_map);
   };
-  let mut template = template.to_string();
+  let mut template = Cow::Borrowed(template);
   for key in [
     HASH_PLACEHOLDER,
     FULL_HASH_PLACEHOLDER,
@@ -141,8 +144,8 @@ pub fn get_filename_without_hash_length<F: Clone>(
       if let Some(hash_len) = p.len {
         hash_len_map.insert((*key).to_string(), hash_len);
       }
-      template = template.replace(&p.pattern, key);
+      template = Cow::Owned(template.cow_replace(&p.pattern, key).into_owned());
     }
   }
-  (Filename::from(template), hash_len_map)
+  (Filename::from(template.into_owned()), hash_len_map)
 }