perf: Update swc and switch to wasmtime

Cargo.toml

@@ -123,16 +123,20 @@ inventory = { version = "0.3.17", default-features = false }
 rkyv      = { version = "=0.8.8", default-features = false, features = ["std", "bytecheck"] }
 
 # Must be pinned with the same swc versions
-pnp                 = { version = "0.12.1", default-features = false }
-swc                 = { version = "32.0.0", default-features = false }
-swc_config          = { version = "3.1.1", default-features = false }
-swc_core            = { version = "33.0.0", default-features = false, features = ["parallel_rayon"] }
-swc_ecma_lexer      = { version = "21.0.0", default-features = false }
-swc_ecma_minifier   = { version = "27.0.0", default-features = false }
-swc_error_reporters = { version = "16.0.1", default-features = false }
-swc_html            = { version = "25.0.0", default-features = false }
-swc_html_minifier   = { version = "27.0.0", default-features = false }
-swc_node_comments   = { version = "14.0.0", default-features = false }
+pnp                         = { version = "0.12.1", default-features = false }
+swc                         = { version = "34.0.0", default-features = false }
+swc_config                  = { version = "3.1.1", default-features = false }
+swc_core                    = { version = "35.0.0", default-features = false, features = ["parallel_rayon"] }
+swc_ecma_lexer              = { version = "22.0.0", default-features = false }
+swc_ecma_minifier           = { version = "29.0.0", default-features = false }
+swc_error_reporters         = { version = "16.0.1", default-features = false }
+swc_html                    = { version = "25.0.0", default-features = false }
+swc_html_minifier           = { version = "29.0.0", default-features = false }
+swc_node_comments           = { version = "14.0.0", default-features = false }
+swc_plugin_runner           = { version = "18.0.0", default-features = false }
+
+wasmtime                    = { version = "35.0.0", default-features = false }
+wasi-common                 = { version = "35.0.0", default-features = false }
 
 rspack_dojang = { version = "0.1.11", default-features = false }
 
@@ -340,9 +344,6 @@ opt-level = "s"
 [profile.release.package.swc_error_reporters]
 opt-level = "s"
 
-[profile.release.package.http]
-opt-level = "s"
-
 [profile.release.package.idna]
 opt-level = "s"
 

crates/rspack_binding_api/Cargo.toml

@@ -14,7 +14,7 @@ version.workspace       = true
 browser         = ["dep:rspack_browser", "rspack_napi/browser"]
 color-backtrace = ["dep:color-backtrace"]
 debug_tool      = ["rspack_core/debug_tool"]
-plugin          = ["rspack_loader_swc/plugin"]
+plugin          = ["rspack_loader_swc/plugin", "rspack_util/plugin"]
 sftrace-setup   = ["dep:sftrace-setup", "rspack_allocator/sftrace-setup"]
 
 [dependencies]

crates/rspack_binding_api/src/swc.rs

@@ -41,9 +41,19 @@ fn _to_source_map_kind(source_maps: Option<SourceMapsConfig>) -> SourceMapKind {
 }
 
 fn _transform(source: String, options: String) -> napi::Result<TransformOutput> {
-  let options: SwcOptions = serde_json::from_str(&options)?;
+  #[cfg_attr(not(feature = "plugin"), allow(unused_mut))]
+  let mut options: SwcOptions = serde_json::from_str(&options)?;
+
+  #[cfg(feature = "plugin")]
+  {
+    options.runtime_options = options.runtime_options.plugin_runtime(std::sync::Arc::new(
+      rspack_util::swc::runtime::WasmtimeRuntime,
+    ));
+  }
+
   let compiler = JavaScriptCompiler::new();
   let module_source_map_kind = _to_source_map_kind(options.source_maps.clone());
+
   compiler
     .transform(
       source,

crates/rspack_loader_swc/Cargo.toml

@@ -11,9 +11,12 @@ ignored = ["swc"]
 [features]
 default = []
 plugin = [
-  "swc_core/plugin_transform_host_native",
+  "rspack_util/plugin",
+
+  # plugin_transform_host_native cannot be enabled directly to avoid wasmer dependency
+  "swc_core/__plugin_transform_host",
+  "swc_core/__plugin_transform_host_schema_v1",
   "swc_core/plugin_transform_host_native_filesystem_cache",
-  "swc_core/plugin_transform_host_native_shared_runtime",
 ]
 
 [dependencies]
@@ -36,6 +39,7 @@ swc_config                     = { workspace = true }
 swc_core                       = { workspace = true, features = ["base", "ecma_ast", "common", "ecma_preset_env", "ecma_helpers_inline"] }
 tokio                          = { workspace = true }
 tracing                        = { workspace = true }
+rspack_util                    = { workspace = true, optional = true }
 
 
 [target.'cfg(not(target_family = "wasm"))'.dependencies]

crates/rspack_loader_swc/src/lib.rs

@@ -80,6 +80,17 @@ impl SwcLoader {
           "`env` and `jsc.target` cannot be used together".to_string(),
         ));
       }
+
+      #[cfg(feature = "plugin")]
+      {
+        swc_options.runtime_options =
+          swc_options
+            .runtime_options
+            .plugin_runtime(std::sync::Arc::new(
+              rspack_util::swc::runtime::WasmtimeRuntime,
+            ));
+      }
+
       swc_options
     };
 

crates/rspack_util/Cargo.toml

@@ -29,8 +29,16 @@ unicase          = { workspace = true }
 swc_config = { workspace = true }
 swc_core   = { workspace = true, features = ["base", "ecma_ast"] }
 
+# wasm runtime
+anyhow            = { workspace = true, optional = true }
+once_cell         = { workspace = true, optional = true }
+wasmtime          = { workspace = true, optional = true, features = ["runtime", "cranelift", "threads"] }
+wasi-common       = { workspace = true, optional = true, features = ["sync", "wasmtime"] } 
+swc_plugin_runner = { workspace = true, optional = true }
+
 rspack_regex = { workspace = true }
 signal-hook  = { workspace = true, optional = true }
 
 [features]
 debug_tool = ["signal-hook"] # only used for local debug and  should not be enabled in production release
+plugin = [ "anyhow", "once_cell", "wasmtime", "wasi-common", "swc_plugin_runner" ]

crates/rspack_util/src/swc.rs

@@ -1,3 +1,6 @@
+#[cfg(feature = "plugin")]
+pub mod runtime;
+
 use rustc_hash::FxHashSet;
 use swc_config::types::BoolOr;
 use swc_core::{